/* automatically generated by rust-bindgen */

pub type Enum_bgfx_renderer_type = ::libc::c_uint;
pub const BGFX_RENDERER_TYPE_NULL: ::libc::c_uint = 0;
pub const BGFX_RENDERER_TYPE_DIRECT3D9: ::libc::c_uint = 1;
pub const BGFX_RENDERER_TYPE_DIRECT3D11: ::libc::c_uint = 2;
pub const BGFX_RENDERER_TYPE_DIRECT3D12: ::libc::c_uint = 3;
pub const BGFX_RENDERER_TYPE_METAL: ::libc::c_uint = 4;
pub const BGFX_RENDERER_TYPE_OPENGLES: ::libc::c_uint = 5;
pub const BGFX_RENDERER_TYPE_OPENGL: ::libc::c_uint = 6;
pub const BGFX_RENDERER_TYPE_VULKAN: ::libc::c_uint = 7;
pub const BGFX_RENDERER_TYPE_COUNT: ::libc::c_uint = 8;
pub type bgfx_renderer_type_t = Enum_bgfx_renderer_type;
pub type Enum_bgfx_access = ::libc::c_uint;
pub const BGFX_ACCESS_READ: ::libc::c_uint = 0;
pub const BGFX_ACCESS_WRITE: ::libc::c_uint = 1;
pub const BGFX_ACCESS_READWRITE: ::libc::c_uint = 2;
pub const BGFX_ACCESS_COUNT: ::libc::c_uint = 3;
pub type bgfx_access_t = Enum_bgfx_access;
pub type Enum_bgfx_attrib = ::libc::c_uint;
pub const BGFX_ATTRIB_POSITION: ::libc::c_uint = 0;
pub const BGFX_ATTRIB_NORMAL: ::libc::c_uint = 1;
pub const BGFX_ATTRIB_TANGENT: ::libc::c_uint = 2;
pub const BGFX_ATTRIB_BITANGENT: ::libc::c_uint = 3;
pub const BGFX_ATTRIB_COLOR0: ::libc::c_uint = 4;
pub const BGFX_ATTRIB_COLOR1: ::libc::c_uint = 5;
pub const BGFX_ATTRIB_INDICES: ::libc::c_uint = 6;
pub const BGFX_ATTRIB_WEIGHT: ::libc::c_uint = 7;
pub const BGFX_ATTRIB_TEXCOORD0: ::libc::c_uint = 8;
pub const BGFX_ATTRIB_TEXCOORD1: ::libc::c_uint = 9;
pub const BGFX_ATTRIB_TEXCOORD2: ::libc::c_uint = 10;
pub const BGFX_ATTRIB_TEXCOORD3: ::libc::c_uint = 11;
pub const BGFX_ATTRIB_TEXCOORD4: ::libc::c_uint = 12;
pub const BGFX_ATTRIB_TEXCOORD5: ::libc::c_uint = 13;
pub const BGFX_ATTRIB_TEXCOORD6: ::libc::c_uint = 14;
pub const BGFX_ATTRIB_TEXCOORD7: ::libc::c_uint = 15;
pub const BGFX_ATTRIB_COUNT: ::libc::c_uint = 16;
pub type bgfx_attrib_t = Enum_bgfx_attrib;
pub type Enum_bgfx_attrib_type = ::libc::c_uint;
pub const BGFX_ATTRIB_TYPE_UINT8: ::libc::c_uint = 0;
pub const BGFX_ATTRIB_TYPE_UINT10: ::libc::c_uint = 1;
pub const BGFX_ATTRIB_TYPE_INT16: ::libc::c_uint = 2;
pub const BGFX_ATTRIB_TYPE_HALF: ::libc::c_uint = 3;
pub const BGFX_ATTRIB_TYPE_FLOAT: ::libc::c_uint = 4;
pub const BGFX_ATTRIB_TYPE_COUNT: ::libc::c_uint = 5;
pub type bgfx_attrib_type_t = Enum_bgfx_attrib_type;
pub type Enum_bgfx_texture_format = ::libc::c_uint;
pub const BGFX_TEXTURE_FORMAT_BC1: ::libc::c_uint = 0;
pub const BGFX_TEXTURE_FORMAT_BC2: ::libc::c_uint = 1;
pub const BGFX_TEXTURE_FORMAT_BC3: ::libc::c_uint = 2;
pub const BGFX_TEXTURE_FORMAT_BC4: ::libc::c_uint = 3;
pub const BGFX_TEXTURE_FORMAT_BC5: ::libc::c_uint = 4;
pub const BGFX_TEXTURE_FORMAT_BC6H: ::libc::c_uint = 5;
pub const BGFX_TEXTURE_FORMAT_BC7: ::libc::c_uint = 6;
pub const BGFX_TEXTURE_FORMAT_ETC1: ::libc::c_uint = 7;
pub const BGFX_TEXTURE_FORMAT_ETC2: ::libc::c_uint = 8;
pub const BGFX_TEXTURE_FORMAT_ETC2A: ::libc::c_uint = 9;
pub const BGFX_TEXTURE_FORMAT_ETC2A1: ::libc::c_uint = 10;
pub const BGFX_TEXTURE_FORMAT_PTC12: ::libc::c_uint = 11;
pub const BGFX_TEXTURE_FORMAT_PTC14: ::libc::c_uint = 12;
pub const BGFX_TEXTURE_FORMAT_PTC12A: ::libc::c_uint = 13;
pub const BGFX_TEXTURE_FORMAT_PTC14A: ::libc::c_uint = 14;
pub const BGFX_TEXTURE_FORMAT_PTC22: ::libc::c_uint = 15;
pub const BGFX_TEXTURE_FORMAT_PTC24: ::libc::c_uint = 16;
pub const BGFX_TEXTURE_FORMAT_UNKNOWN: ::libc::c_uint = 17;
pub const BGFX_TEXTURE_FORMAT_R1: ::libc::c_uint = 18;
pub const BGFX_TEXTURE_FORMAT_A8: ::libc::c_uint = 19;
pub const BGFX_TEXTURE_FORMAT_R8: ::libc::c_uint = 20;
pub const BGFX_TEXTURE_FORMAT_R8I: ::libc::c_uint = 21;
pub const BGFX_TEXTURE_FORMAT_R8U: ::libc::c_uint = 22;
pub const BGFX_TEXTURE_FORMAT_R8S: ::libc::c_uint = 23;
pub const BGFX_TEXTURE_FORMAT_R16: ::libc::c_uint = 24;
pub const BGFX_TEXTURE_FORMAT_R16I: ::libc::c_uint = 25;
pub const BGFX_TEXTURE_FORMAT_R16U: ::libc::c_uint = 26;
pub const BGFX_TEXTURE_FORMAT_R16F: ::libc::c_uint = 27;
pub const BGFX_TEXTURE_FORMAT_R16S: ::libc::c_uint = 28;
pub const BGFX_TEXTURE_FORMAT_R32I: ::libc::c_uint = 29;
pub const BGFX_TEXTURE_FORMAT_R32U: ::libc::c_uint = 30;
pub const BGFX_TEXTURE_FORMAT_R32F: ::libc::c_uint = 31;
pub const BGFX_TEXTURE_FORMAT_RG8: ::libc::c_uint = 32;
pub const BGFX_TEXTURE_FORMAT_RG8I: ::libc::c_uint = 33;
pub const BGFX_TEXTURE_FORMAT_RG8U: ::libc::c_uint = 34;
pub const BGFX_TEXTURE_FORMAT_RG8S: ::libc::c_uint = 35;
pub const BGFX_TEXTURE_FORMAT_RG16: ::libc::c_uint = 36;
pub const BGFX_TEXTURE_FORMAT_RG16I: ::libc::c_uint = 37;
pub const BGFX_TEXTURE_FORMAT_RG16U: ::libc::c_uint = 38;
pub const BGFX_TEXTURE_FORMAT_RG16F: ::libc::c_uint = 39;
pub const BGFX_TEXTURE_FORMAT_RG16S: ::libc::c_uint = 40;
pub const BGFX_TEXTURE_FORMAT_RG32I: ::libc::c_uint = 41;
pub const BGFX_TEXTURE_FORMAT_RG32U: ::libc::c_uint = 42;
pub const BGFX_TEXTURE_FORMAT_RG32F: ::libc::c_uint = 43;
pub const BGFX_TEXTURE_FORMAT_RGB9E5F: ::libc::c_uint = 44;
pub const BGFX_TEXTURE_FORMAT_BGRA8: ::libc::c_uint = 45;
pub const BGFX_TEXTURE_FORMAT_RGBA8: ::libc::c_uint = 46;
pub const BGFX_TEXTURE_FORMAT_RGBA8I: ::libc::c_uint = 47;
pub const BGFX_TEXTURE_FORMAT_RGBA8U: ::libc::c_uint = 48;
pub const BGFX_TEXTURE_FORMAT_RGBA8S: ::libc::c_uint = 49;
pub const BGFX_TEXTURE_FORMAT_RGBA16: ::libc::c_uint = 50;
pub const BGFX_TEXTURE_FORMAT_RGBA16I: ::libc::c_uint = 51;
pub const BGFX_TEXTURE_FORMAT_RGBA16U: ::libc::c_uint = 52;
pub const BGFX_TEXTURE_FORMAT_RGBA16F: ::libc::c_uint = 53;
pub const BGFX_TEXTURE_FORMAT_RGBA16S: ::libc::c_uint = 54;
pub const BGFX_TEXTURE_FORMAT_RGBA32I: ::libc::c_uint = 55;
pub const BGFX_TEXTURE_FORMAT_RGBA32U: ::libc::c_uint = 56;
pub const BGFX_TEXTURE_FORMAT_RGBA32F: ::libc::c_uint = 57;
pub const BGFX_TEXTURE_FORMAT_R5G6B5: ::libc::c_uint = 58;
pub const BGFX_TEXTURE_FORMAT_RGBA4: ::libc::c_uint = 59;
pub const BGFX_TEXTURE_FORMAT_RGB5A1: ::libc::c_uint = 60;
pub const BGFX_TEXTURE_FORMAT_RGB10A2: ::libc::c_uint = 61;
pub const BGFX_TEXTURE_FORMAT_R11G11B10F: ::libc::c_uint = 62;
pub const BGFX_TEXTURE_FORMAT_UNKNOWN_DEPTH: ::libc::c_uint = 63;
pub const BGFX_TEXTURE_FORMAT_D16: ::libc::c_uint = 64;
pub const BGFX_TEXTURE_FORMAT_D24: ::libc::c_uint = 65;
pub const BGFX_TEXTURE_FORMAT_D24S8: ::libc::c_uint = 66;
pub const BGFX_TEXTURE_FORMAT_D32: ::libc::c_uint = 67;
pub const BGFX_TEXTURE_FORMAT_D16F: ::libc::c_uint = 68;
pub const BGFX_TEXTURE_FORMAT_D24F: ::libc::c_uint = 69;
pub const BGFX_TEXTURE_FORMAT_D32F: ::libc::c_uint = 70;
pub const BGFX_TEXTURE_FORMAT_D0S8: ::libc::c_uint = 71;
pub const BGFX_TEXTURE_FORMAT_COUNT: ::libc::c_uint = 72;
pub type bgfx_texture_format_t = Enum_bgfx_texture_format;
pub type Enum_bgfx_uniform_type = ::libc::c_uint;
pub const BGFX_UNIFORM_TYPE_INT1: ::libc::c_uint = 0;
pub const BGFX_UNIFORM_TYPE_END: ::libc::c_uint = 1;
pub const BGFX_UNIFORM_TYPE_VEC4: ::libc::c_uint = 2;
pub const BGFX_UNIFORM_TYPE_MAT3: ::libc::c_uint = 3;
pub const BGFX_UNIFORM_TYPE_MAT4: ::libc::c_uint = 4;
pub const BGFX_UNIFORM_TYPE_COUNT: ::libc::c_uint = 5;
pub type bgfx_uniform_type_t = Enum_bgfx_uniform_type;
pub type Enum_bgfx_backbuffer_ratio = ::libc::c_uint;
pub const BGFX_BACKBUFFER_RATIO_EQUAL: ::libc::c_uint = 0;
pub const BGFX_BACKBUFFER_RATIO_HALF: ::libc::c_uint = 1;
pub const BGFX_BACKBUFFER_RATIO_QUARTER: ::libc::c_uint = 2;
pub const BGFX_BACKBUFFER_RATIO_EIGHTH: ::libc::c_uint = 3;
pub const BGFX_BACKBUFFER_RATIO_SIXTEENTH: ::libc::c_uint = 4;
pub const BGFX_BACKBUFFER_RATIO_DOUBLE: ::libc::c_uint = 5;
pub const BGFX_BACKBUFFER_RATIO_COUNT: ::libc::c_uint = 6;
pub type bgfx_backbuffer_ratio_t = Enum_bgfx_backbuffer_ratio;
pub type Enum_bgfx_occlusion_query_result = ::libc::c_uint;
pub const BGFX_OCCLUSION_QUERY_RESULT_INVISIBLE: ::libc::c_uint = 0;
pub const BGFX_OCCLUSION_QUERY_RESULT_VISIBLE: ::libc::c_uint = 1;
pub const BGFX_OCCLUSION_QUERY_RESULT_NORESULT: ::libc::c_uint = 2;
pub const BGFX_OCCLUSION_QUERY_RESULT_COUNT: ::libc::c_uint = 3;
pub type bgfx_occlusion_query_result_t = Enum_bgfx_occlusion_query_result;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_indirect_buffer_handle {
    pub idx: uint16_t,
}
impl ::std::clone::Clone for Struct_bgfx_indirect_buffer_handle {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_indirect_buffer_handle {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_indirect_buffer_handle_t = Struct_bgfx_indirect_buffer_handle;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_dynamic_index_buffer_handle {
    pub idx: uint16_t,
}
impl ::std::clone::Clone for Struct_bgfx_dynamic_index_buffer_handle {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_dynamic_index_buffer_handle {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_dynamic_index_buffer_handle_t =
    Struct_bgfx_dynamic_index_buffer_handle;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_dynamic_vertex_buffer_handle {
    pub idx: uint16_t,
}
impl ::std::clone::Clone for Struct_bgfx_dynamic_vertex_buffer_handle {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_dynamic_vertex_buffer_handle {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_dynamic_vertex_buffer_handle_t =
    Struct_bgfx_dynamic_vertex_buffer_handle;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_frame_buffer_handle {
    pub idx: uint16_t,
}
impl ::std::clone::Clone for Struct_bgfx_frame_buffer_handle {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_frame_buffer_handle {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_frame_buffer_handle_t = Struct_bgfx_frame_buffer_handle;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_index_buffer_handle {
    pub idx: uint16_t,
}
impl ::std::clone::Clone for Struct_bgfx_index_buffer_handle {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_index_buffer_handle {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_index_buffer_handle_t = Struct_bgfx_index_buffer_handle;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_occlusion_query_handle {
    pub idx: uint16_t,
}
impl ::std::clone::Clone for Struct_bgfx_occlusion_query_handle {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_occlusion_query_handle {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_occlusion_query_handle_t = Struct_bgfx_occlusion_query_handle;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_program_handle {
    pub idx: uint16_t,
}
impl ::std::clone::Clone for Struct_bgfx_program_handle {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_program_handle {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_program_handle_t = Struct_bgfx_program_handle;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_shader_handle {
    pub idx: uint16_t,
}
impl ::std::clone::Clone for Struct_bgfx_shader_handle {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_shader_handle {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_shader_handle_t = Struct_bgfx_shader_handle;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_texture_handle {
    pub idx: uint16_t,
}
impl ::std::clone::Clone for Struct_bgfx_texture_handle {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_texture_handle {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_texture_handle_t = Struct_bgfx_texture_handle;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_uniform_handle {
    pub idx: uint16_t,
}
impl ::std::clone::Clone for Struct_bgfx_uniform_handle {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_uniform_handle {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_uniform_handle_t = Struct_bgfx_uniform_handle;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_vertex_buffer_handle {
    pub idx: uint16_t,
}
impl ::std::clone::Clone for Struct_bgfx_vertex_buffer_handle {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_vertex_buffer_handle {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_vertex_buffer_handle_t = Struct_bgfx_vertex_buffer_handle;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_vertex_decl_handle {
    pub idx: uint16_t,
}
impl ::std::clone::Clone for Struct_bgfx_vertex_decl_handle {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_vertex_decl_handle {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_vertex_decl_handle_t = Struct_bgfx_vertex_decl_handle;
pub type bgfx_release_fn_t =
    ::std::option::Option<unsafe extern "C" fn(_ptr: *mut ::libc::c_void,
                                               _userData: *mut ::libc::c_void)
                              -> ()>;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_memory {
    pub data: *mut uint8_t,
    pub size: uint32_t,
}
impl ::std::clone::Clone for Struct_bgfx_memory {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_memory {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_memory_t = Struct_bgfx_memory;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_transform {
    pub data: *mut ::libc::c_float,
    pub num: uint16_t,
}
impl ::std::clone::Clone for Struct_bgfx_transform {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_transform {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_transform_t = Struct_bgfx_transform;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_hmd_eye {
    pub rotation: [::libc::c_float; 4usize],
    pub translation: [::libc::c_float; 3usize],
    pub fov: [::libc::c_float; 4usize],
    pub adjust: [::libc::c_float; 3usize],
    pub pixelsPerTanAngle: [::libc::c_float; 2usize],
}
impl ::std::clone::Clone for Struct_bgfx_hmd_eye {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_hmd_eye {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_hmd_eye_t = Struct_bgfx_hmd_eye;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_hmd {
    pub eye: [bgfx_hmd_eye_t; 2usize],
    pub width: uint16_t,
    pub height: uint16_t,
    pub deviceWidth: uint32_t,
    pub deviceHeight: uint32_t,
    pub flags: uint8_t,
}
impl ::std::clone::Clone for Struct_bgfx_hmd {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_hmd {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_hmd_t = Struct_bgfx_hmd;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_stats {
    pub cpuTime: uint64_t,
    pub cpuTimerFreq: uint64_t,
    pub gpuTime: uint64_t,
    pub gpuTimerFreq: uint64_t,
}
impl ::std::clone::Clone for Struct_bgfx_stats {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_stats {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_stats_t = Struct_bgfx_stats;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_vertex_decl {
    pub hash: uint32_t,
    pub stride: uint16_t,
    pub offset: [uint16_t; 16usize],
    pub attributes: [uint16_t; 16usize],
}
impl ::std::clone::Clone for Struct_bgfx_vertex_decl {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_vertex_decl {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_vertex_decl_t = Struct_bgfx_vertex_decl;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_transient_index_buffer {
    pub data: *mut uint8_t,
    pub size: uint32_t,
    pub handle: bgfx_index_buffer_handle_t,
    pub startIndex: uint32_t,
}
impl ::std::clone::Clone for Struct_bgfx_transient_index_buffer {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_transient_index_buffer {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_transient_index_buffer_t = Struct_bgfx_transient_index_buffer;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_transient_vertex_buffer {
    pub data: *mut uint8_t,
    pub size: uint32_t,
    pub startVertex: uint32_t,
    pub stride: uint16_t,
    pub handle: bgfx_vertex_buffer_handle_t,
    pub decl: bgfx_vertex_decl_handle_t,
}
impl ::std::clone::Clone for Struct_bgfx_transient_vertex_buffer {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_transient_vertex_buffer {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_transient_vertex_buffer_t = Struct_bgfx_transient_vertex_buffer;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_instance_data_buffer {
    pub data: *mut uint8_t,
    pub size: uint32_t,
    pub offset: uint32_t,
    pub num: uint32_t,
    pub stride: uint16_t,
    pub handle: bgfx_vertex_buffer_handle_t,
}
impl ::std::clone::Clone for Struct_bgfx_instance_data_buffer {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_instance_data_buffer {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_instance_data_buffer_t = Struct_bgfx_instance_data_buffer;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_texture_info {
    pub format: bgfx_texture_format_t,
    pub storageSize: uint32_t,
    pub width: uint16_t,
    pub height: uint16_t,
    pub depth: uint16_t,
    pub numMips: uint8_t,
    pub bitsPerPixel: uint8_t,
    pub cubeMap: u8,
}
impl ::std::clone::Clone for Struct_bgfx_texture_info {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_texture_info {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_texture_info_t = Struct_bgfx_texture_info;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_caps_gpu {
    pub vendorId: uint16_t,
    pub deviceId: uint16_t,
}
impl ::std::clone::Clone for Struct_bgfx_caps_gpu {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_caps_gpu {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_caps_gpu_t = Struct_bgfx_caps_gpu;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_caps {
    pub rendererType: bgfx_renderer_type_t,
    pub supported: uint64_t,
    pub maxDrawCalls: uint32_t,
    pub maxTextureSize: uint16_t,
    pub maxViews: uint16_t,
    pub maxFBAttachments: uint8_t,
    pub numGPUs: uint8_t,
    pub vendorId: uint16_t,
    pub deviceId: uint16_t,
    pub gpu: [bgfx_caps_gpu_t; 4usize],
    pub formats: [uint16_t; 72usize],
}
impl ::std::clone::Clone for Struct_bgfx_caps {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_caps {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_caps_t = Struct_bgfx_caps;
pub type Enum_bgfx_fatal = ::libc::c_uint;
pub const BGFX_FATAL_DEBUG_CHECK: ::libc::c_uint = 0;
pub const BGFX_FATAL_MINIMUM_REQUIRED_SPECS: ::libc::c_uint = 1;
pub const BGFX_FATAL_INVALID_SHADER: ::libc::c_uint = 2;
pub const BGFX_FATAL_UNABLE_TO_INITIALIZE: ::libc::c_uint = 3;
pub const BGFX_FATAL_UNABLE_TO_CREATE_TEXTURE: ::libc::c_uint = 4;
pub const BGFX_FATAL_DEVICE_LOST: ::libc::c_uint = 5;
pub const BGFX_FATAL_COUNT: ::libc::c_uint = 6;
pub type bgfx_fatal_t = Enum_bgfx_fatal;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_callback_interface {
    pub vtbl: *const Struct_bgfx_callback_vtbl,
}
impl ::std::clone::Clone for Struct_bgfx_callback_interface {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_callback_interface {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_callback_interface_t = Struct_bgfx_callback_interface;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_callback_vtbl {
    pub fatal: ::std::option::Option<unsafe extern "C" fn(_this:
                                                              *mut bgfx_callback_interface_t,
                                                          _code: bgfx_fatal_t,
                                                          _str:
                                                              *const ::libc::c_char)
                                         -> ()>,
    pub trace_vargs: ::std::option::Option<unsafe extern "C" fn(_this:
                                                                    *mut bgfx_callback_interface_t,
                                                                _filePath:
                                                                    *const ::libc::c_char,
                                                                _line:
                                                                    uint16_t,
                                                                _format:
                                                                    *const ::libc::c_char,
                                                                _argList:
                                                                    va_list)
                                               -> ()>,
    pub cache_read_size: ::std::option::Option<unsafe extern "C" fn(_this:
                                                                        *mut bgfx_callback_interface_t,
                                                                    _id:
                                                                        uint64_t)
                                                   -> uint32_t>,
    pub cache_read: ::std::option::Option<unsafe extern "C" fn(_this:
                                                                   *mut bgfx_callback_interface_t,
                                                               _id: uint64_t,
                                                               _data:
                                                                   *mut ::libc::c_void,
                                                               _size:
                                                                   uint32_t)
                                              -> u8>,
    pub cache_write: ::std::option::Option<unsafe extern "C" fn(_this:
                                                                    *mut bgfx_callback_interface_t,
                                                                _id: uint64_t,
                                                                _data:
                                                                    *const ::libc::c_void,
                                                                _size:
                                                                    uint32_t)
                                               -> ()>,
    pub screen_shot: ::std::option::Option<unsafe extern "C" fn(_this:
                                                                    *mut bgfx_callback_interface_t,
                                                                _filePath:
                                                                    *const ::libc::c_char,
                                                                _width:
                                                                    uint32_t,
                                                                _height:
                                                                    uint32_t,
                                                                _pitch:
                                                                    uint32_t,
                                                                _data:
                                                                    *const ::libc::c_void,
                                                                _size:
                                                                    uint32_t,
                                                                _yflip: u8)
                                               -> ()>,
    pub capture_begin: ::std::option::Option<unsafe extern "C" fn(_this:
                                                                      *mut bgfx_callback_interface_t,
                                                                  _width:
                                                                      uint32_t,
                                                                  _height:
                                                                      uint32_t,
                                                                  _pitch:
                                                                      uint32_t,
                                                                  _format:
                                                                      bgfx_texture_format_t,
                                                                  _yflip: u8)
                                                 -> ()>,
    pub capture_end: ::std::option::Option<unsafe extern "C" fn(_this:
                                                                    *mut bgfx_callback_interface_t)
                                               -> ()>,
    pub capture_frame: ::std::option::Option<unsafe extern "C" fn(_this:
                                                                      *mut bgfx_callback_interface_t,
                                                                  _data:
                                                                      *const ::libc::c_void,
                                                                  _size:
                                                                      uint32_t)
                                                 -> ()>,
}
impl ::std::clone::Clone for Struct_bgfx_callback_vtbl {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_callback_vtbl {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_callback_vtbl_t = Struct_bgfx_callback_vtbl;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_allocator_interface {
    pub vtbl: *const Struct_bgfx_allocator_vtbl,
}
impl ::std::clone::Clone for Struct_bgfx_allocator_interface {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_allocator_interface {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_allocator_interface_t = Struct_bgfx_allocator_interface;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_allocator_vtbl {
    pub realloc: ::std::option::Option<unsafe extern "C" fn(_this:
                                                                *mut bgfx_allocator_interface_t,
                                                            _ptr:
                                                                *mut ::libc::c_void,
                                                            _size: size_t,
                                                            _align: size_t,
                                                            _file:
                                                                *const ::libc::c_char,
                                                            _line: uint32_t)
                                           -> *mut ::libc::c_void>,
}
impl ::std::clone::Clone for Struct_bgfx_allocator_vtbl {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_allocator_vtbl {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_allocator_vtbl_t = Struct_bgfx_allocator_vtbl;
#[repr(C)]
#[derive(Copy)]
pub struct Struct_bgfx_interface_vtbl {
    pub render_frame: ::std::option::Option<extern "C" fn()
                                                -> bgfx_render_frame_t>,
    pub set_platform_data: ::std::option::Option<unsafe extern "C" fn(_data:
                                                                          *const bgfx_platform_data_t)
                                                     -> ()>,
    pub get_platform_data: ::std::option::Option<extern "C" fn()
                                                     ->
                                                         *const bgfx_internal_data_t>,
    pub vertex_decl_begin: ::std::option::Option<unsafe extern "C" fn(_decl:
                                                                          *mut bgfx_vertex_decl_t,
                                                                      _renderer:
                                                                          bgfx_renderer_type_t)
                                                     -> ()>,
    pub vertex_decl_add: ::std::option::Option<unsafe extern "C" fn(_decl:
                                                                        *mut bgfx_vertex_decl_t,
                                                                    _attrib:
                                                                        bgfx_attrib_t,
                                                                    _num:
                                                                        uint8_t,
                                                                    _type:
                                                                        bgfx_attrib_type_t,
                                                                    _normalized:
                                                                        u8,
                                                                    _asInt:
                                                                        u8)
                                                   -> ()>,
    pub vertex_decl_skip: ::std::option::Option<unsafe extern "C" fn(_decl:
                                                                         *mut bgfx_vertex_decl_t,
                                                                     _num:
                                                                         uint8_t)
                                                    -> ()>,
    pub vertex_decl_end: ::std::option::Option<unsafe extern "C" fn(_decl:
                                                                        *mut bgfx_vertex_decl_t)
                                                   -> ()>,
    pub vertex_pack: ::std::option::Option<unsafe extern "C" fn(_input:
                                                                    *mut ::libc::c_float,
                                                                _inputNormalized:
                                                                    u8,
                                                                _attr:
                                                                    bgfx_attrib_t,
                                                                _decl:
                                                                    *const bgfx_vertex_decl_t,
                                                                _data:
                                                                    *mut ::libc::c_void,
                                                                _index:
                                                                    uint32_t)
                                               -> ()>,
    pub vertex_unpack: ::std::option::Option<unsafe extern "C" fn(_output:
                                                                      *mut ::libc::c_float,
                                                                  _attr:
                                                                      bgfx_attrib_t,
                                                                  _decl:
                                                                      *const bgfx_vertex_decl_t,
                                                                  _data:
                                                                      *const ::libc::c_void,
                                                                  _index:
                                                                      uint32_t)
                                                 -> ()>,
    pub vertex_convert: ::std::option::Option<unsafe extern "C" fn(_destDecl:
                                                                       *const bgfx_vertex_decl_t,
                                                                   _destData:
                                                                       *mut ::libc::c_void,
                                                                   _srcDecl:
                                                                       *const bgfx_vertex_decl_t,
                                                                   _srcData:
                                                                       *const ::libc::c_void,
                                                                   _num:
                                                                       uint32_t)
                                                  -> ()>,
    pub weld_vertices: ::std::option::Option<unsafe extern "C" fn(_output:
                                                                      *mut uint16_t,
                                                                  _decl:
                                                                      *const bgfx_vertex_decl_t,
                                                                  _data:
                                                                      *const ::libc::c_void,
                                                                  _num:
                                                                      uint16_t,
                                                                  _epsilon:
                                                                      ::libc::c_float)
                                                 -> uint16_t>,
    pub image_swizzle_bgra8: ::std::option::Option<unsafe extern "C" fn(_width:
                                                                            uint32_t,
                                                                        _height:
                                                                            uint32_t,
                                                                        _pitch:
                                                                            uint32_t,
                                                                        _src:
                                                                            *const ::libc::c_void,
                                                                        _dst:
                                                                            *mut ::libc::c_void)
                                                       -> ()>,
    pub image_rgba8_downsample_2x2: ::std::option::Option<unsafe extern "C" fn(_width:
                                                                                   uint32_t,
                                                                               _height:
                                                                                   uint32_t,
                                                                               _pitch:
                                                                                   uint32_t,
                                                                               _src:
                                                                                   *const ::libc::c_void,
                                                                               _dst:
                                                                                   *mut ::libc::c_void)
                                                              -> ()>,
    pub get_supported_renderers: ::std::option::Option<extern "C" fn(_enum:
                                                                         *mut bgfx_renderer_type_t)
                                                           -> uint8_t>,
    pub get_renderer_name: ::std::option::Option<extern "C" fn(_type:
                                                                   bgfx_renderer_type_t)
                                                     ->
                                                         *const ::libc::c_char>,
    pub init: ::std::option::Option<unsafe extern "C" fn(_type:
                                                             bgfx_renderer_type_t,
                                                         _vendorId: uint16_t,
                                                         _deviceId: uint16_t,
                                                         _callback:
                                                             *mut bgfx_callback_interface_t,
                                                         _allocator:
                                                             *mut bgfx_allocator_interface_t)
                                        -> u8>,
    pub shutdown: ::std::option::Option<extern "C" fn() -> ()>,
    pub reset: ::std::option::Option<extern "C" fn(_width: uint32_t,
                                                   _height: uint32_t,
                                                   _flags: uint32_t) -> ()>,
    pub frame: ::std::option::Option<extern "C" fn() -> uint32_t>,
    pub get_renderer_type: ::std::option::Option<extern "C" fn()
                                                     -> bgfx_renderer_type_t>,
    pub get_caps: ::std::option::Option<extern "C" fn()
                                            -> *const bgfx_caps_t>,
    pub get_hmd: ::std::option::Option<extern "C" fn() -> *const bgfx_hmd_t>,
    pub get_stats: ::std::option::Option<extern "C" fn()
                                             -> *const bgfx_stats_t>,
    pub alloc: ::std::option::Option<extern "C" fn(_size: uint32_t)
                                         -> *const bgfx_memory_t>,
    pub copy: ::std::option::Option<unsafe extern "C" fn(_data:
                                                             *const ::libc::c_void,
                                                         _size: uint32_t)
                                        -> *const bgfx_memory_t>,
    pub make_ref: ::std::option::Option<unsafe extern "C" fn(_data:
                                                                 *const ::libc::c_void,
                                                             _size: uint32_t)
                                            -> *const bgfx_memory_t>,
    pub make_ref_release: ::std::option::Option<unsafe extern "C" fn(_data:
                                                                         *const ::libc::c_void,
                                                                     _size:
                                                                         uint32_t,
                                                                     _releaseFn:
                                                                         bgfx_release_fn_t,
                                                                     _userData:
                                                                         *mut ::libc::c_void)
                                                    -> *const bgfx_memory_t>,
    pub set_debug: ::std::option::Option<extern "C" fn(_debug: uint32_t)
                                             -> ()>,
    pub dbg_text_clear: ::std::option::Option<extern "C" fn(_attr: uint8_t,
                                                            _small: u8)
                                                  -> ()>,
    pub dbg_text_printf: ::std::option::Option<unsafe extern "C" fn(_x:
                                                                        uint16_t,
                                                                    _y:
                                                                        uint16_t,
                                                                    _attr:
                                                                        uint8_t,
                                                                    _format:
                                                                        *const ::libc::c_char, ...)
                                                   -> ()>,
    pub dbg_text_image: ::std::option::Option<unsafe extern "C" fn(_x:
                                                                       uint16_t,
                                                                   _y:
                                                                       uint16_t,
                                                                   _width:
                                                                       uint16_t,
                                                                   _height:
                                                                       uint16_t,
                                                                   _data:
                                                                       *const ::libc::c_void,
                                                                   _pitch:
                                                                       uint16_t)
                                                  -> ()>,
    pub create_index_buffer: ::std::option::Option<unsafe extern "C" fn(_mem:
                                                                            *const bgfx_memory_t,
                                                                        _flags:
                                                                            uint16_t)
                                                       ->
                                                           bgfx_index_buffer_handle_t>,
    pub destroy_index_buffer: ::std::option::Option<extern "C" fn(_handle:
                                                                      bgfx_index_buffer_handle_t)
                                                        -> ()>,
    pub create_vertex_buffer: ::std::option::Option<unsafe extern "C" fn(_mem:
                                                                             *const bgfx_memory_t,
                                                                         _decl:
                                                                             *const bgfx_vertex_decl_t,
                                                                         _flags:
                                                                             uint16_t)
                                                        ->
                                                            bgfx_vertex_buffer_handle_t>,
    pub destroy_vertex_buffer: ::std::option::Option<extern "C" fn(_handle:
                                                                       bgfx_vertex_buffer_handle_t)
                                                         -> ()>,
    pub create_dynamic_index_buffer: ::std::option::Option<extern "C" fn(_num:
                                                                             uint32_t,
                                                                         _flags:
                                                                             uint16_t)
                                                               ->
                                                                   bgfx_dynamic_index_buffer_handle_t>,
    pub create_dynamic_index_buffer_mem: ::std::option::Option<unsafe extern "C" fn(_mem:
                                                                                        *const bgfx_memory_t,
                                                                                    _flags:
                                                                                        uint16_t)
                                                                   ->
                                                                       bgfx_dynamic_index_buffer_handle_t>,
    pub update_dynamic_index_buffer: ::std::option::Option<unsafe extern "C" fn(_handle:
                                                                                    bgfx_dynamic_index_buffer_handle_t,
                                                                                _startIndex:
                                                                                    uint32_t,
                                                                                _mem:
                                                                                    *const bgfx_memory_t)
                                                               -> ()>,
    pub destroy_dynamic_index_buffer: ::std::option::Option<extern "C" fn(_handle:
                                                                              bgfx_dynamic_index_buffer_handle_t)
                                                                -> ()>,
    pub create_dynamic_vertex_buffer: ::std::option::Option<unsafe extern "C" fn(_num:
                                                                                     uint32_t,
                                                                                 _decl:
                                                                                     *const bgfx_vertex_decl_t,
                                                                                 _flags:
                                                                                     uint16_t)
                                                                ->
                                                                    bgfx_dynamic_vertex_buffer_handle_t>,
    pub create_dynamic_vertex_buffer_mem: ::std::option::Option<unsafe extern "C" fn(_mem:
                                                                                         *const bgfx_memory_t,
                                                                                     _decl:
                                                                                         *const bgfx_vertex_decl_t,
                                                                                     _flags:
                                                                                         uint16_t)
                                                                    ->
                                                                        bgfx_dynamic_vertex_buffer_handle_t>,
    pub update_dynamic_vertex_buffer: ::std::option::Option<unsafe extern "C" fn(_handle:
                                                                                     bgfx_dynamic_vertex_buffer_handle_t,
                                                                                 _startVertex:
                                                                                     uint32_t,
                                                                                 _mem:
                                                                                     *const bgfx_memory_t)
                                                                -> ()>,
    pub destroy_dynamic_vertex_buffer: ::std::option::Option<extern "C" fn(_handle:
                                                                               bgfx_dynamic_vertex_buffer_handle_t)
                                                                 -> ()>,
    pub check_avail_transient_index_buffer: ::std::option::Option<extern "C" fn(_num:
                                                                                    uint32_t)
                                                                      -> u8>,
    pub check_avail_transient_vertex_buffer: ::std::option::Option<unsafe extern "C" fn(_num:
                                                                                            uint32_t,
                                                                                        _decl:
                                                                                            *const bgfx_vertex_decl_t)
                                                                       -> u8>,
    pub check_avail_instance_data_buffer: ::std::option::Option<extern "C" fn(_num:
                                                                                  uint32_t,
                                                                              _stride:
                                                                                  uint16_t)
                                                                    -> u8>,
    pub check_avail_transient_buffers: ::std::option::Option<unsafe extern "C" fn(_numVertices:
                                                                                      uint32_t,
                                                                                  _decl:
                                                                                      *const bgfx_vertex_decl_t,
                                                                                  _numIndices:
                                                                                      uint32_t)
                                                                 -> u8>,
    pub alloc_transient_index_buffer: ::std::option::Option<unsafe extern "C" fn(_tib:
                                                                                     *mut bgfx_transient_index_buffer_t,
                                                                                 _num:
                                                                                     uint32_t)
                                                                -> ()>,
    pub alloc_transient_vertex_buffer: ::std::option::Option<unsafe extern "C" fn(_tvb:
                                                                                      *mut bgfx_transient_vertex_buffer_t,
                                                                                  _num:
                                                                                      uint32_t,
                                                                                  _decl:
                                                                                      *const bgfx_vertex_decl_t)
                                                                 -> ()>,
    pub alloc_transient_buffers: ::std::option::Option<unsafe extern "C" fn(_tvb:
                                                                                *mut bgfx_transient_vertex_buffer_t,
                                                                            _decl:
                                                                                *const bgfx_vertex_decl_t,
                                                                            _numVertices:
                                                                                uint32_t,
                                                                            _tib:
                                                                                *mut bgfx_transient_index_buffer_t,
                                                                            _numIndices:
                                                                                uint32_t)
                                                           -> u8>,
    pub alloc_instance_data_buffer: ::std::option::Option<extern "C" fn(_num:
                                                                            uint32_t,
                                                                        _stride:
                                                                            uint16_t)
                                                              ->
                                                                  *const bgfx_instance_data_buffer_t>,
    pub create_indirect_buffer: ::std::option::Option<extern "C" fn(_num:
                                                                        uint32_t)
                                                          ->
                                                              bgfx_indirect_buffer_handle_t>,
    pub destroy_indirect_buffer: ::std::option::Option<extern "C" fn(_handle:
                                                                         bgfx_indirect_buffer_handle_t)
                                                           -> ()>,
    pub create_shader: ::std::option::Option<unsafe extern "C" fn(_mem:
                                                                      *const bgfx_memory_t)
                                                 -> bgfx_shader_handle_t>,
    pub get_shader_uniforms: ::std::option::Option<unsafe extern "C" fn(_handle:
                                                                            bgfx_shader_handle_t,
                                                                        _uniforms:
                                                                            *mut bgfx_uniform_handle_t,
                                                                        _max:
                                                                            uint16_t)
                                                       -> uint16_t>,
    pub destroy_shader: ::std::option::Option<extern "C" fn(_handle:
                                                                bgfx_shader_handle_t)
                                                  -> ()>,
    pub create_program: ::std::option::Option<extern "C" fn(_vsh:
                                                                bgfx_shader_handle_t,
                                                            _fsh:
                                                                bgfx_shader_handle_t,
                                                            _destroyShaders:
                                                                u8)
                                                  -> bgfx_program_handle_t>,
    pub create_compute_program: ::std::option::Option<extern "C" fn(_csh:
                                                                        bgfx_shader_handle_t,
                                                                    _destroyShaders:
                                                                        u8)
                                                          ->
                                                              bgfx_program_handle_t>,
    pub destroy_program: ::std::option::Option<extern "C" fn(_handle:
                                                                 bgfx_program_handle_t)
                                                   -> ()>,
    pub calc_texture_size: ::std::option::Option<unsafe extern "C" fn(_info:
                                                                          *mut bgfx_texture_info_t,
                                                                      _width:
                                                                          uint16_t,
                                                                      _height:
                                                                          uint16_t,
                                                                      _depth:
                                                                          uint16_t,
                                                                      _cubeMap:
                                                                          u8,
                                                                      _numMips:
                                                                          uint8_t,
                                                                      _format:
                                                                          bgfx_texture_format_t)
                                                     -> ()>,
    pub create_texture: ::std::option::Option<unsafe extern "C" fn(_mem:
                                                                       *const bgfx_memory_t,
                                                                   _flags:
                                                                       uint32_t,
                                                                   _skip:
                                                                       uint8_t,
                                                                   _info:
                                                                       *mut bgfx_texture_info_t)
                                                  -> bgfx_texture_handle_t>,
    pub create_texture_2d: ::std::option::Option<unsafe extern "C" fn(_width:
                                                                          uint16_t,
                                                                      _height:
                                                                          uint16_t,
                                                                      _numMips:
                                                                          uint8_t,
                                                                      _format:
                                                                          bgfx_texture_format_t,
                                                                      _flags:
                                                                          uint32_t,
                                                                      _mem:
                                                                          *const bgfx_memory_t)
                                                     ->
                                                         bgfx_texture_handle_t>,
    pub create_texture_2d_scaled: ::std::option::Option<extern "C" fn(_ratio:
                                                                          bgfx_backbuffer_ratio_t,
                                                                      _numMips:
                                                                          uint8_t,
                                                                      _format:
                                                                          bgfx_texture_format_t,
                                                                      _flags:
                                                                          uint32_t)
                                                            ->
                                                                bgfx_texture_handle_t>,
    pub create_texture_3d: ::std::option::Option<unsafe extern "C" fn(_width:
                                                                          uint16_t,
                                                                      _height:
                                                                          uint16_t,
                                                                      _depth:
                                                                          uint16_t,
                                                                      _numMips:
                                                                          uint8_t,
                                                                      _format:
                                                                          bgfx_texture_format_t,
                                                                      _flags:
                                                                          uint32_t,
                                                                      _mem:
                                                                          *const bgfx_memory_t)
                                                     ->
                                                         bgfx_texture_handle_t>,
    pub create_texture_cube: ::std::option::Option<unsafe extern "C" fn(_size:
                                                                            uint16_t,
                                                                        _numMips:
                                                                            uint8_t,
                                                                        _format:
                                                                            bgfx_texture_format_t,
                                                                        _flags:
                                                                            uint32_t,
                                                                        _mem:
                                                                            *const bgfx_memory_t)
                                                       ->
                                                           bgfx_texture_handle_t>,
    pub update_texture_2d: ::std::option::Option<unsafe extern "C" fn(_handle:
                                                                          bgfx_texture_handle_t,
                                                                      _mip:
                                                                          uint8_t,
                                                                      _x:
                                                                          uint16_t,
                                                                      _y:
                                                                          uint16_t,
                                                                      _width:
                                                                          uint16_t,
                                                                      _height:
                                                                          uint16_t,
                                                                      _mem:
                                                                          *const bgfx_memory_t,
                                                                      _pitch:
                                                                          uint16_t)
                                                     -> ()>,
    pub update_texture_3d: ::std::option::Option<unsafe extern "C" fn(_handle:
                                                                          bgfx_texture_handle_t,
                                                                      _mip:
                                                                          uint8_t,
                                                                      _x:
                                                                          uint16_t,
                                                                      _y:
                                                                          uint16_t,
                                                                      _z:
                                                                          uint16_t,
                                                                      _width:
                                                                          uint16_t,
                                                                      _height:
                                                                          uint16_t,
                                                                      _depth:
                                                                          uint16_t,
                                                                      _mem:
                                                                          *const bgfx_memory_t)
                                                     -> ()>,
    pub update_texture_cube: ::std::option::Option<unsafe extern "C" fn(_handle:
                                                                            bgfx_texture_handle_t,
                                                                        _side:
                                                                            uint8_t,
                                                                        _mip:
                                                                            uint8_t,
                                                                        _x:
                                                                            uint16_t,
                                                                        _y:
                                                                            uint16_t,
                                                                        _width:
                                                                            uint16_t,
                                                                        _height:
                                                                            uint16_t,
                                                                        _mem:
                                                                            *const bgfx_memory_t,
                                                                        _pitch:
                                                                            uint16_t)
                                                       -> ()>,
    pub destroy_texture: ::std::option::Option<extern "C" fn(_handle:
                                                                 bgfx_texture_handle_t)
                                                   -> ()>,
    pub create_frame_buffer: ::std::option::Option<extern "C" fn(_width:
                                                                     uint16_t,
                                                                 _height:
                                                                     uint16_t,
                                                                 _format:
                                                                     bgfx_texture_format_t,
                                                                 _textureFlags:
                                                                     uint32_t)
                                                       ->
                                                           bgfx_frame_buffer_handle_t>,
    pub create_frame_buffer_scaled: ::std::option::Option<extern "C" fn(_ratio:
                                                                            bgfx_backbuffer_ratio_t,
                                                                        _format:
                                                                            bgfx_texture_format_t,
                                                                        _textureFlags:
                                                                            uint32_t)
                                                              ->
                                                                  bgfx_frame_buffer_handle_t>,
    pub create_frame_buffer_from_handles: ::std::option::Option<unsafe extern "C" fn(_num:
                                                                                         uint8_t,
                                                                                     _handles:
                                                                                         *const bgfx_texture_handle_t,
                                                                                     _destroyTextures:
                                                                                         u8)
                                                                    ->
                                                                        bgfx_frame_buffer_handle_t>,
    pub create_frame_buffer_from_nwh: ::std::option::Option<unsafe extern "C" fn(_nwh:
                                                                                     *mut ::libc::c_void,
                                                                                 _width:
                                                                                     uint16_t,
                                                                                 _height:
                                                                                     uint16_t,
                                                                                 _depthFormat:
                                                                                     bgfx_texture_format_t)
                                                                ->
                                                                    bgfx_frame_buffer_handle_t>,
    pub destroy_frame_buffer: ::std::option::Option<extern "C" fn(_handle:
                                                                      bgfx_frame_buffer_handle_t)
                                                        -> ()>,
    pub create_uniform: ::std::option::Option<unsafe extern "C" fn(_name:
                                                                       *const ::libc::c_char,
                                                                   _type:
                                                                       bgfx_uniform_type_t,
                                                                   _num:
                                                                       uint16_t)
                                                  -> bgfx_uniform_handle_t>,
    pub destroy_uniform: ::std::option::Option<extern "C" fn(_handle:
                                                                 bgfx_uniform_handle_t)
                                                   -> ()>,
    pub create_occlusion_query: ::std::option::Option<extern "C" fn()
                                                          ->
                                                              bgfx_occlusion_query_handle_t>,
    pub get_result: ::std::option::Option<extern "C" fn(_handle:
                                                            bgfx_occlusion_query_handle_t)
                                              ->
                                                  bgfx_occlusion_query_result_t>,
    pub destroy_occlusion_query: ::std::option::Option<extern "C" fn(_handle:
                                                                         bgfx_occlusion_query_handle_t)
                                                           -> ()>,
    pub set_palette_color: ::std::option::Option<extern "C" fn(_index:
                                                                   uint8_t,
                                                               _rgba:
                                                                   *mut ::libc::c_float)
                                                     -> ()>,
    pub set_view_name: ::std::option::Option<unsafe extern "C" fn(_id:
                                                                      uint8_t,
                                                                  _name:
                                                                      *const ::libc::c_char)
                                                 -> ()>,
    pub set_view_rect: ::std::option::Option<extern "C" fn(_id: uint8_t,
                                                           _x: uint16_t,
                                                           _y: uint16_t,
                                                           _width: uint16_t,
                                                           _height: uint16_t)
                                                 -> ()>,
    pub set_view_scissor: ::std::option::Option<extern "C" fn(_id: uint8_t,
                                                              _x: uint16_t,
                                                              _y: uint16_t,
                                                              _width:
                                                                  uint16_t,
                                                              _height:
                                                                  uint16_t)
                                                    -> ()>,
    pub set_view_clear: ::std::option::Option<extern "C" fn(_id: uint8_t,
                                                            _flags: uint16_t,
                                                            _rgba: uint32_t,
                                                            _depth:
                                                                ::libc::c_float,
                                                            _stencil: uint8_t)
                                                  -> ()>,
    pub set_view_clear_mrt: ::std::option::Option<extern "C" fn(_id: uint8_t,
                                                                _flags:
                                                                    uint16_t,
                                                                _depth:
                                                                    ::libc::c_float,
                                                                _stencil:
                                                                    uint8_t,
                                                                _0: uint8_t,
                                                                _1: uint8_t,
                                                                _2: uint8_t,
                                                                _3: uint8_t,
                                                                _4: uint8_t,
                                                                _5: uint8_t,
                                                                _6: uint8_t,
                                                                _7: uint8_t)
                                                      -> ()>,
    pub set_view_seq: ::std::option::Option<extern "C" fn(_id: uint8_t,
                                                          _enabled: u8)
                                                -> ()>,
    pub set_view_frame_buffer: ::std::option::Option<extern "C" fn(_id:
                                                                       uint8_t,
                                                                   _handle:
                                                                       bgfx_frame_buffer_handle_t)
                                                         -> ()>,
    pub set_view_transform: ::std::option::Option<unsafe extern "C" fn(_id:
                                                                           uint8_t,
                                                                       _view:
                                                                           *const ::libc::c_void,
                                                                       _proj:
                                                                           *const ::libc::c_void)
                                                      -> ()>,
    pub set_view_transform_stereo: ::std::option::Option<unsafe extern "C" fn(_id:
                                                                                  uint8_t,
                                                                              _view:
                                                                                  *const ::libc::c_void,
                                                                              _projL:
                                                                                  *const ::libc::c_void,
                                                                              _flags:
                                                                                  uint8_t,
                                                                              _projR:
                                                                                  *const ::libc::c_void)
                                                             -> ()>,
    pub set_view_remap: ::std::option::Option<unsafe extern "C" fn(_id:
                                                                       uint8_t,
                                                                   _num:
                                                                       uint8_t,
                                                                   _remap:
                                                                       *const ::libc::c_void)
                                                  -> ()>,
    pub set_marker: ::std::option::Option<unsafe extern "C" fn(_marker:
                                                                   *const ::libc::c_char)
                                              -> ()>,
    pub set_state: ::std::option::Option<extern "C" fn(_state: uint64_t,
                                                       _rgba: uint32_t)
                                             -> ()>,
    pub set_condition: ::std::option::Option<extern "C" fn(_handle:
                                                               bgfx_occlusion_query_handle_t,
                                                           _visible: u8)
                                                 -> ()>,
    pub set_stencil: ::std::option::Option<extern "C" fn(_fstencil: uint32_t,
                                                         _bstencil: uint32_t)
                                               -> ()>,
    pub set_scissor: ::std::option::Option<extern "C" fn(_x: uint16_t,
                                                         _y: uint16_t,
                                                         _width: uint16_t,
                                                         _height: uint16_t)
                                               -> uint16_t>,
    pub set_scissor_cached: ::std::option::Option<extern "C" fn(_cache:
                                                                    uint16_t)
                                                      -> ()>,
    pub set_transform: ::std::option::Option<unsafe extern "C" fn(_mtx:
                                                                      *const ::libc::c_void,
                                                                  _num:
                                                                      uint16_t)
                                                 -> uint32_t>,
    pub alloc_transform: ::std::option::Option<unsafe extern "C" fn(_transform:
                                                                        *mut bgfx_transform_t,
                                                                    _num:
                                                                        uint16_t)
                                                   -> uint32_t>,
    pub set_transform_cached: ::std::option::Option<extern "C" fn(_cache:
                                                                      uint32_t,
                                                                  _num:
                                                                      uint16_t)
                                                        -> ()>,
    pub set_uniform: ::std::option::Option<unsafe extern "C" fn(_handle:
                                                                    bgfx_uniform_handle_t,
                                                                _value:
                                                                    *const ::libc::c_void,
                                                                _num:
                                                                    uint16_t)
                                               -> ()>,
    pub set_index_buffer: ::std::option::Option<extern "C" fn(_handle:
                                                                  bgfx_index_buffer_handle_t,
                                                              _firstIndex:
                                                                  uint32_t,
                                                              _numIndices:
                                                                  uint32_t)
                                                    -> ()>,
    pub set_dynamic_index_buffer: ::std::option::Option<extern "C" fn(_handle:
                                                                          bgfx_dynamic_index_buffer_handle_t,
                                                                      _firstIndex:
                                                                          uint32_t,
                                                                      _numIndices:
                                                                          uint32_t)
                                                            -> ()>,
    pub set_transient_index_buffer: ::std::option::Option<unsafe extern "C" fn(_tib:
                                                                                   *const bgfx_transient_index_buffer_t,
                                                                               _firstIndex:
                                                                                   uint32_t,
                                                                               _numIndices:
                                                                                   uint32_t)
                                                              -> ()>,
    pub set_vertex_buffer: ::std::option::Option<extern "C" fn(_handle:
                                                                   bgfx_vertex_buffer_handle_t,
                                                               _startVertex:
                                                                   uint32_t,
                                                               _numVertices:
                                                                   uint32_t)
                                                     -> ()>,
    pub set_dynamic_vertex_buffer: ::std::option::Option<extern "C" fn(_handle:
                                                                           bgfx_dynamic_vertex_buffer_handle_t,
                                                                       _numVertices:
                                                                           uint32_t)
                                                             -> ()>,
    pub set_transient_vertex_buffer: ::std::option::Option<unsafe extern "C" fn(_tvb:
                                                                                    *const bgfx_transient_vertex_buffer_t,
                                                                                _startVertex:
                                                                                    uint32_t,
                                                                                _numVertices:
                                                                                    uint32_t)
                                                               -> ()>,
    pub set_instance_data_buffer: ::std::option::Option<unsafe extern "C" fn(_idb:
                                                                                 *const bgfx_instance_data_buffer_t,
                                                                             _num:
                                                                                 uint32_t)
                                                            -> ()>,
    pub set_instance_data_from_vertex_buffer: ::std::option::Option<extern "C" fn(_handle:
                                                                                      bgfx_vertex_buffer_handle_t,
                                                                                  _startVertex:
                                                                                      uint32_t,
                                                                                  _num:
                                                                                      uint32_t)
                                                                        ->
                                                                            ()>,
    pub set_instance_data_from_dynamic_vertex_buffer: ::std::option::Option<extern "C" fn(_handle:
                                                                                              bgfx_dynamic_vertex_buffer_handle_t,
                                                                                          _startVertex:
                                                                                              uint32_t,
                                                                                          _num:
                                                                                              uint32_t)
                                                                                ->
                                                                                    ()>,
    pub set_texture: ::std::option::Option<extern "C" fn(_stage: uint8_t,
                                                         _sampler:
                                                             bgfx_uniform_handle_t,
                                                         _handle:
                                                             bgfx_texture_handle_t,
                                                         _flags: uint32_t)
                                               -> ()>,
    pub set_texture_from_frame_buffer: ::std::option::Option<extern "C" fn(_stage:
                                                                               uint8_t,
                                                                           _sampler:
                                                                               bgfx_uniform_handle_t,
                                                                           _handle:
                                                                               bgfx_frame_buffer_handle_t,
                                                                           _attachment:
                                                                               uint8_t,
                                                                           _flags:
                                                                               uint32_t)
                                                                 -> ()>,
    pub touch: ::std::option::Option<extern "C" fn(_id: uint8_t) -> uint32_t>,
    pub submit: ::std::option::Option<extern "C" fn(_id: uint8_t,
                                                    _handle:
                                                        bgfx_program_handle_t,
                                                    _depth: int32_t)
                                          -> uint32_t>,
    pub submit_occlusion_query: ::std::option::Option<extern "C" fn(_id:
                                                                        uint8_t,
                                                                    _program:
                                                                        bgfx_program_handle_t,
                                                                    _occlusionQuery:
                                                                        bgfx_occlusion_query_handle_t,
                                                                    _depth:
                                                                        int32_t)
                                                          -> uint32_t>,
    pub submit_indirect: ::std::option::Option<extern "C" fn(_id: uint8_t,
                                                             _handle:
                                                                 bgfx_program_handle_t,
                                                             _indirectHandle:
                                                                 bgfx_indirect_buffer_handle_t,
                                                             _start: uint16_t,
                                                             _num: uint16_t,
                                                             _depth: int32_t)
                                                   -> uint32_t>,
    pub set_image: ::std::option::Option<extern "C" fn(_stage: uint8_t,
                                                       _sampler:
                                                           bgfx_uniform_handle_t,
                                                       _handle:
                                                           bgfx_texture_handle_t,
                                                       _mip: uint8_t,
                                                       _access: bgfx_access_t,
                                                       _format:
                                                           bgfx_texture_format_t)
                                             -> ()>,
    pub set_image_from_frame_buffer: ::std::option::Option<extern "C" fn(_stage:
                                                                             uint8_t,
                                                                         _sampler:
                                                                             bgfx_uniform_handle_t,
                                                                         _handle:
                                                                             bgfx_frame_buffer_handle_t,
                                                                         _attachment:
                                                                             uint8_t,
                                                                         _access:
                                                                             bgfx_access_t,
                                                                         _format:
                                                                             bgfx_texture_format_t)
                                                               -> ()>,
    pub set_compute_index_buffer: ::std::option::Option<extern "C" fn(_stage:
                                                                          uint8_t,
                                                                      _handle:
                                                                          bgfx_index_buffer_handle_t,
                                                                      _access:
                                                                          bgfx_access_t)
                                                            -> ()>,
    pub set_compute_vertex_buffer: ::std::option::Option<extern "C" fn(_stage:
                                                                           uint8_t,
                                                                       _handle:
                                                                           bgfx_vertex_buffer_handle_t,
                                                                       _access:
                                                                           bgfx_access_t)
                                                             -> ()>,
    pub set_compute_dynamic_index_buffer: ::std::option::Option<extern "C" fn(_stage:
                                                                                  uint8_t,
                                                                              _handle:
                                                                                  bgfx_dynamic_index_buffer_handle_t,
                                                                              _access:
                                                                                  bgfx_access_t)
                                                                    -> ()>,
    pub set_compute_dynamic_vertex_buffer: ::std::option::Option<extern "C" fn(_stage:
                                                                                   uint8_t,
                                                                               _handle:
                                                                                   bgfx_dynamic_vertex_buffer_handle_t,
                                                                               _access:
                                                                                   bgfx_access_t)
                                                                     -> ()>,
    pub set_compute_indirect_buffer: ::std::option::Option<extern "C" fn(_stage:
                                                                             uint8_t,
                                                                         _handle:
                                                                             bgfx_indirect_buffer_handle_t,
                                                                         _access:
                                                                             bgfx_access_t)
                                                               -> ()>,
    pub dispatch: ::std::option::Option<extern "C" fn(_id: uint8_t,
                                                      _handle:
                                                          bgfx_program_handle_t,
                                                      _numX: uint16_t,
                                                      _numY: uint16_t,
                                                      _numZ: uint16_t,
                                                      _flags: uint8_t)
                                            -> uint32_t>,
    pub dispatch_indirect: ::std::option::Option<extern "C" fn(_id: uint8_t,
                                                               _handle:
                                                                   bgfx_program_handle_t,
                                                               _indirectHandle:
                                                                   bgfx_indirect_buffer_handle_t,
                                                               _start:
                                                                   uint16_t,
                                                               _num: uint16_t,
                                                               _flags:
                                                                   uint8_t)
                                                     -> uint32_t>,
    pub discard: ::std::option::Option<extern "C" fn() -> ()>,
    pub blit: ::std::option::Option<extern "C" fn(_id: uint8_t,
                                                  _dst: bgfx_texture_handle_t,
                                                  _dstMip: uint8_t,
                                                  _dstX: uint16_t,
                                                  _dstY: uint16_t,
                                                  _dstZ: uint16_t,
                                                  _src: bgfx_texture_handle_t,
                                                  _srcMip: uint8_t,
                                                  _srcX: uint16_t,
                                                  _srcY: uint16_t,
                                                  _srcZ: uint16_t,
                                                  _width: uint16_t,
                                                  _height: uint16_t,
                                                  _depth: uint16_t) -> ()>,
    pub save_screen_shot: ::std::option::Option<unsafe extern "C" fn(_filePath:
                                                                         *const ::libc::c_char)
                                                    -> ()>,
}
impl ::std::clone::Clone for Struct_bgfx_interface_vtbl {
    fn clone(&self) -> Self { *self }
}
impl ::std::default::Default for Struct_bgfx_interface_vtbl {
    fn default() -> Self { unsafe { ::std::mem::zeroed() } }
}
pub type bgfx_interface_vtbl_t = Struct_bgfx_interface_vtbl;
pub type PFN_BGFX_GET_INTERFACE =
    ::std::option::Option<extern "C" fn(_version: uint32_t)
                              -> *mut bgfx_interface_vtbl_t>;
extern "C" {
    pub fn bgfx_vertex_decl_begin(_decl: *mut bgfx_vertex_decl_t,
                                  _renderer: bgfx_renderer_type_t) -> ();
    pub fn bgfx_vertex_decl_add(_decl: *mut bgfx_vertex_decl_t,
                                _attrib: bgfx_attrib_t, _num: uint8_t,
                                _type: bgfx_attrib_type_t, _normalized: u8,
                                _asInt: u8) -> ();
    pub fn bgfx_vertex_decl_skip(_decl: *mut bgfx_vertex_decl_t,
                                 _num: uint8_t) -> ();
    pub fn bgfx_vertex_decl_end(_decl: *mut bgfx_vertex_decl_t) -> ();
    pub fn bgfx_vertex_pack(_input: *mut ::libc::c_float,
                            _inputNormalized: u8, _attr: bgfx_attrib_t,
                            _decl: *const bgfx_vertex_decl_t,
                            _data: *mut ::libc::c_void, _index: uint32_t)
     -> ();
    pub fn bgfx_vertex_unpack(_output: *mut ::libc::c_float,
                              _attr: bgfx_attrib_t,
                              _decl: *const bgfx_vertex_decl_t,
                              _data: *const ::libc::c_void, _index: uint32_t)
     -> ();
    pub fn bgfx_vertex_convert(_destDecl: *const bgfx_vertex_decl_t,
                               _destData: *mut ::libc::c_void,
                               _srcDecl: *const bgfx_vertex_decl_t,
                               _srcData: *const ::libc::c_void,
                               _num: uint32_t) -> ();
    pub fn bgfx_weld_vertices(_output: *mut uint16_t,
                              _decl: *const bgfx_vertex_decl_t,
                              _data: *const ::libc::c_void, _num: uint16_t,
                              _epsilon: ::libc::c_float) -> uint16_t;
    pub fn bgfx_image_swizzle_bgra8(_width: uint32_t, _height: uint32_t,
                                    _pitch: uint32_t,
                                    _src: *const ::libc::c_void,
                                    _dst: *mut ::libc::c_void) -> ();
    pub fn bgfx_image_rgba8_downsample_2x2(_width: uint32_t,
                                           _height: uint32_t,
                                           _pitch: uint32_t,
                                           _src: *const ::libc::c_void,
                                           _dst: *mut ::libc::c_void) -> ();
    pub fn bgfx_get_supported_renderers(_enum: *mut bgfx_renderer_type_t)
     -> uint8_t;
    pub fn bgfx_get_renderer_name(_type: bgfx_renderer_type_t)
     -> *const ::libc::c_char;
    pub fn bgfx_init(_type: bgfx_renderer_type_t, _vendorId: uint16_t,
                     _deviceId: uint16_t,
                     _callback: *mut bgfx_callback_interface_t,
                     _allocator: *mut bgfx_allocator_interface_t) -> u8;
    pub fn bgfx_shutdown() -> ();
    pub fn bgfx_reset(_width: uint32_t, _height: uint32_t, _flags: uint32_t)
     -> ();
    pub fn bgfx_frame() -> uint32_t;
    pub fn bgfx_get_renderer_type() -> bgfx_renderer_type_t;
    pub fn bgfx_get_caps() -> *const bgfx_caps_t;
    pub fn bgfx_get_hmd() -> *const bgfx_hmd_t;
    pub fn bgfx_get_stats() -> *const bgfx_stats_t;
    pub fn bgfx_alloc(_size: uint32_t) -> *const bgfx_memory_t;
    pub fn bgfx_copy(_data: *const ::libc::c_void, _size: uint32_t)
     -> *const bgfx_memory_t;
    pub fn bgfx_make_ref(_data: *const ::libc::c_void, _size: uint32_t)
     -> *const bgfx_memory_t;
    pub fn bgfx_make_ref_release(_data: *const ::libc::c_void,
                                 _size: uint32_t,
                                 _releaseFn: bgfx_release_fn_t,
                                 _userData: *mut ::libc::c_void)
     -> *const bgfx_memory_t;
    pub fn bgfx_set_debug(_debug: uint32_t) -> ();
    pub fn bgfx_dbg_text_clear(_attr: uint8_t, _small: u8) -> ();
    pub fn bgfx_dbg_text_printf(_x: uint16_t, _y: uint16_t, _attr: uint8_t,
                                _format: *const ::libc::c_char, ...) -> ();
    pub fn bgfx_dbg_text_image(_x: uint16_t, _y: uint16_t, _width: uint16_t,
                               _height: uint16_t,
                               _data: *const ::libc::c_void, _pitch: uint16_t)
     -> ();
    pub fn bgfx_create_index_buffer(_mem: *const bgfx_memory_t,
                                    _flags: uint16_t)
     -> bgfx_index_buffer_handle_t;
    pub fn bgfx_destroy_index_buffer(_handle: bgfx_index_buffer_handle_t)
     -> ();
    pub fn bgfx_create_vertex_buffer(_mem: *const bgfx_memory_t,
                                     _decl: *const bgfx_vertex_decl_t,
                                     _flags: uint16_t)
     -> bgfx_vertex_buffer_handle_t;
    pub fn bgfx_destroy_vertex_buffer(_handle: bgfx_vertex_buffer_handle_t)
     -> ();
    pub fn bgfx_create_dynamic_index_buffer(_num: uint32_t, _flags: uint16_t)
     -> bgfx_dynamic_index_buffer_handle_t;
    pub fn bgfx_create_dynamic_index_buffer_mem(_mem: *const bgfx_memory_t,
                                                _flags: uint16_t)
     -> bgfx_dynamic_index_buffer_handle_t;
    pub fn bgfx_update_dynamic_index_buffer(_handle:
                                                bgfx_dynamic_index_buffer_handle_t,
                                            _startIndex: uint32_t,
                                            _mem: *const bgfx_memory_t) -> ();
    pub fn bgfx_destroy_dynamic_index_buffer(_handle:
                                                 bgfx_dynamic_index_buffer_handle_t)
     -> ();
    pub fn bgfx_create_dynamic_vertex_buffer(_num: uint32_t,
                                             _decl: *const bgfx_vertex_decl_t,
                                             _flags: uint16_t)
     -> bgfx_dynamic_vertex_buffer_handle_t;
    pub fn bgfx_create_dynamic_vertex_buffer_mem(_mem: *const bgfx_memory_t,
                                                 _decl:
                                                     *const bgfx_vertex_decl_t,
                                                 _flags: uint16_t)
     -> bgfx_dynamic_vertex_buffer_handle_t;
    pub fn bgfx_update_dynamic_vertex_buffer(_handle:
                                                 bgfx_dynamic_vertex_buffer_handle_t,
                                             _startVertex: uint32_t,
                                             _mem: *const bgfx_memory_t)
     -> ();
    pub fn bgfx_destroy_dynamic_vertex_buffer(_handle:
                                                  bgfx_dynamic_vertex_buffer_handle_t)
     -> ();
    pub fn bgfx_check_avail_transient_index_buffer(_num: uint32_t) -> u8;
    pub fn bgfx_check_avail_transient_vertex_buffer(_num: uint32_t,
                                                    _decl:
                                                        *const bgfx_vertex_decl_t)
     -> u8;
    pub fn bgfx_check_avail_instance_data_buffer(_num: uint32_t,
                                                 _stride: uint16_t) -> u8;
    pub fn bgfx_check_avail_transient_buffers(_numVertices: uint32_t,
                                              _decl:
                                                  *const bgfx_vertex_decl_t,
                                              _numIndices: uint32_t) -> u8;
    pub fn bgfx_alloc_transient_index_buffer(_tib:
                                                 *mut bgfx_transient_index_buffer_t,
                                             _num: uint32_t) -> ();
    pub fn bgfx_alloc_transient_vertex_buffer(_tvb:
                                                  *mut bgfx_transient_vertex_buffer_t,
                                              _num: uint32_t,
                                              _decl:
                                                  *const bgfx_vertex_decl_t)
     -> ();
    pub fn bgfx_alloc_transient_buffers(_tvb:
                                            *mut bgfx_transient_vertex_buffer_t,
                                        _decl: *const bgfx_vertex_decl_t,
                                        _numVertices: uint32_t,
                                        _tib:
                                            *mut bgfx_transient_index_buffer_t,
                                        _numIndices: uint32_t) -> u8;
    pub fn bgfx_alloc_instance_data_buffer(_num: uint32_t, _stride: uint16_t)
     -> *const bgfx_instance_data_buffer_t;
    pub fn bgfx_create_indirect_buffer(_num: uint32_t)
     -> bgfx_indirect_buffer_handle_t;
    pub fn bgfx_destroy_indirect_buffer(_handle:
                                            bgfx_indirect_buffer_handle_t)
     -> ();
    pub fn bgfx_create_shader(_mem: *const bgfx_memory_t)
     -> bgfx_shader_handle_t;
    pub fn bgfx_get_shader_uniforms(_handle: bgfx_shader_handle_t,
                                    _uniforms: *mut bgfx_uniform_handle_t,
                                    _max: uint16_t) -> uint16_t;
    pub fn bgfx_destroy_shader(_handle: bgfx_shader_handle_t) -> ();
    pub fn bgfx_create_program(_vsh: bgfx_shader_handle_t,
                               _fsh: bgfx_shader_handle_t,
                               _destroyShaders: u8) -> bgfx_program_handle_t;
    pub fn bgfx_create_compute_program(_csh: bgfx_shader_handle_t,
                                       _destroyShaders: u8)
     -> bgfx_program_handle_t;
    pub fn bgfx_destroy_program(_handle: bgfx_program_handle_t) -> ();
    pub fn bgfx_calc_texture_size(_info: *mut bgfx_texture_info_t,
                                  _width: uint16_t, _height: uint16_t,
                                  _depth: uint16_t, _cubeMap: u8,
                                  _numMips: uint8_t,
                                  _format: bgfx_texture_format_t) -> ();
    pub fn bgfx_create_texture(_mem: *const bgfx_memory_t, _flags: uint32_t,
                               _skip: uint8_t,
                               _info: *mut bgfx_texture_info_t)
     -> bgfx_texture_handle_t;
    pub fn bgfx_create_texture_2d(_width: uint16_t, _height: uint16_t,
                                  _numMips: uint8_t,
                                  _format: bgfx_texture_format_t,
                                  _flags: uint32_t,
                                  _mem: *const bgfx_memory_t)
     -> bgfx_texture_handle_t;
    pub fn bgfx_create_texture_2d_scaled(_ratio: bgfx_backbuffer_ratio_t,
                                         _numMips: uint8_t,
                                         _format: bgfx_texture_format_t,
                                         _flags: uint32_t)
     -> bgfx_texture_handle_t;
    pub fn bgfx_create_texture_3d(_width: uint16_t, _height: uint16_t,
                                  _depth: uint16_t, _numMips: uint8_t,
                                  _format: bgfx_texture_format_t,
                                  _flags: uint32_t,
                                  _mem: *const bgfx_memory_t)
     -> bgfx_texture_handle_t;
    pub fn bgfx_create_texture_cube(_size: uint16_t, _numMips: uint8_t,
                                    _format: bgfx_texture_format_t,
                                    _flags: uint32_t,
                                    _mem: *const bgfx_memory_t)
     -> bgfx_texture_handle_t;
    pub fn bgfx_update_texture_2d(_handle: bgfx_texture_handle_t,
                                  _mip: uint8_t, _x: uint16_t, _y: uint16_t,
                                  _width: uint16_t, _height: uint16_t,
                                  _mem: *const bgfx_memory_t,
                                  _pitch: uint16_t) -> ();
    pub fn bgfx_update_texture_3d(_handle: bgfx_texture_handle_t,
                                  _mip: uint8_t, _x: uint16_t, _y: uint16_t,
                                  _z: uint16_t, _width: uint16_t,
                                  _height: uint16_t, _depth: uint16_t,
                                  _mem: *const bgfx_memory_t) -> ();
    pub fn bgfx_update_texture_cube(_handle: bgfx_texture_handle_t,
                                    _side: uint8_t, _mip: uint8_t,
                                    _x: uint16_t, _y: uint16_t,
                                    _width: uint16_t, _height: uint16_t,
                                    _mem: *const bgfx_memory_t,
                                    _pitch: uint16_t) -> ();
    pub fn bgfx_read_texture(_handle: bgfx_texture_handle_t,
                             _data: *mut ::libc::c_void) -> ();
    pub fn bgfx_read_frame_buffer(_handle: bgfx_frame_buffer_handle_t,
                                  _attachment: uint8_t,
                                  _data: *mut ::libc::c_void) -> ();
    pub fn bgfx_destroy_texture(_handle: bgfx_texture_handle_t) -> ();
    pub fn bgfx_create_frame_buffer(_width: uint16_t, _height: uint16_t,
                                    _format: bgfx_texture_format_t,
                                    _textureFlags: uint32_t)
     -> bgfx_frame_buffer_handle_t;
    pub fn bgfx_create_frame_buffer_scaled(_ratio: bgfx_backbuffer_ratio_t,
                                           _format: bgfx_texture_format_t,
                                           _textureFlags: uint32_t)
     -> bgfx_frame_buffer_handle_t;
    pub fn bgfx_create_frame_buffer_from_handles(_num: uint8_t,
                                                 _handles:
                                                     *const bgfx_texture_handle_t,
                                                 _destroyTextures: u8)
     -> bgfx_frame_buffer_handle_t;
    pub fn bgfx_create_frame_buffer_from_nwh(_nwh: *mut ::libc::c_void,
                                             _width: uint16_t,
                                             _height: uint16_t,
                                             _depthFormat:
                                                 bgfx_texture_format_t)
     -> bgfx_frame_buffer_handle_t;
    pub fn bgfx_destroy_frame_buffer(_handle: bgfx_frame_buffer_handle_t)
     -> ();
    pub fn bgfx_create_uniform(_name: *const ::libc::c_char,
                               _type: bgfx_uniform_type_t, _num: uint16_t)
     -> bgfx_uniform_handle_t;
    pub fn bgfx_destroy_uniform(_handle: bgfx_uniform_handle_t) -> ();
    pub fn bgfx_create_occlusion_query() -> bgfx_occlusion_query_handle_t;
    pub fn bgfx_get_result(_handle: bgfx_occlusion_query_handle_t)
     -> bgfx_occlusion_query_result_t;
    pub fn bgfx_destroy_occlusion_query(_handle:
                                            bgfx_occlusion_query_handle_t)
     -> ();
    pub fn bgfx_set_palette_color(_index: uint8_t,
                                  _rgba: *mut ::libc::c_float) -> ();
    pub fn bgfx_set_view_name(_id: uint8_t, _name: *const ::libc::c_char)
     -> ();
    pub fn bgfx_set_view_rect(_id: uint8_t, _x: uint16_t, _y: uint16_t,
                              _width: uint16_t, _height: uint16_t) -> ();
    pub fn bgfx_set_view_rect_auto(_id: uint8_t, _x: uint16_t, _y: uint16_t,
                                   _ratio: bgfx_backbuffer_ratio_t) -> ();
    pub fn bgfx_set_view_scissor(_id: uint8_t, _x: uint16_t, _y: uint16_t,
                                 _width: uint16_t, _height: uint16_t) -> ();
    pub fn bgfx_set_view_clear(_id: uint8_t, _flags: uint16_t,
                               _rgba: uint32_t, _depth: ::libc::c_float,
                               _stencil: uint8_t) -> ();
    pub fn bgfx_set_view_clear_mrt(_id: uint8_t, _flags: uint16_t,
                                   _depth: ::libc::c_float, _stencil: uint8_t,
                                   _0: uint8_t, _1: uint8_t, _2: uint8_t,
                                   _3: uint8_t, _4: uint8_t, _5: uint8_t,
                                   _6: uint8_t, _7: uint8_t) -> ();
    pub fn bgfx_set_view_seq(_id: uint8_t, _enabled: u8) -> ();
    pub fn bgfx_set_view_frame_buffer(_id: uint8_t,
                                      _handle: bgfx_frame_buffer_handle_t)
     -> ();
    pub fn bgfx_set_view_transform(_id: uint8_t, _view: *const ::libc::c_void,
                                   _proj: *const ::libc::c_void) -> ();
    pub fn bgfx_set_view_transform_stereo(_id: uint8_t,
                                          _view: *const ::libc::c_void,
                                          _projL: *const ::libc::c_void,
                                          _flags: uint8_t,
                                          _projR: *const ::libc::c_void)
     -> ();
    pub fn bgfx_set_view_remap(_id: uint8_t, _num: uint8_t,
                               _remap: *const ::libc::c_void) -> ();
    pub fn bgfx_reset_view(_id: uint8_t) -> ();
    pub fn bgfx_set_marker(_marker: *const ::libc::c_char) -> ();
    pub fn bgfx_set_state(_state: uint64_t, _rgba: uint32_t) -> ();
    pub fn bgfx_set_condition(_handle: bgfx_occlusion_query_handle_t,
                              _visible: u8) -> ();
    pub fn bgfx_set_stencil(_fstencil: uint32_t, _bstencil: uint32_t) -> ();
    pub fn bgfx_set_scissor(_x: uint16_t, _y: uint16_t, _width: uint16_t,
                            _height: uint16_t) -> uint16_t;
    pub fn bgfx_set_scissor_cached(_cache: uint16_t) -> ();
    pub fn bgfx_set_transform(_mtx: *const ::libc::c_void, _num: uint16_t)
     -> uint32_t;
    pub fn bgfx_alloc_transform(_transform: *mut bgfx_transform_t,
                                _num: uint16_t) -> uint32_t;
    pub fn bgfx_set_transform_cached(_cache: uint32_t, _num: uint16_t) -> ();
    pub fn bgfx_set_uniform(_handle: bgfx_uniform_handle_t,
                            _value: *const ::libc::c_void, _num: uint16_t)
     -> ();
    pub fn bgfx_set_index_buffer(_handle: bgfx_index_buffer_handle_t,
                                 _firstIndex: uint32_t, _numIndices: uint32_t)
     -> ();
    pub fn bgfx_set_dynamic_index_buffer(_handle:
                                             bgfx_dynamic_index_buffer_handle_t,
                                         _firstIndex: uint32_t,
                                         _numIndices: uint32_t) -> ();
    pub fn bgfx_set_transient_index_buffer(_tib:
                                               *const bgfx_transient_index_buffer_t,
                                           _firstIndex: uint32_t,
                                           _numIndices: uint32_t) -> ();
    pub fn bgfx_set_vertex_buffer(_handle: bgfx_vertex_buffer_handle_t,
                                  _startVertex: uint32_t,
                                  _numVertices: uint32_t) -> ();
    pub fn bgfx_set_dynamic_vertex_buffer(_handle:
                                              bgfx_dynamic_vertex_buffer_handle_t,
                                          _numVertices: uint32_t) -> ();
    pub fn bgfx_set_transient_vertex_buffer(_tvb:
                                                *const bgfx_transient_vertex_buffer_t,
                                            _startVertex: uint32_t,
                                            _numVertices: uint32_t) -> ();
    pub fn bgfx_set_instance_data_buffer(_idb:
                                             *const bgfx_instance_data_buffer_t,
                                         _num: uint32_t) -> ();
    pub fn bgfx_set_instance_data_from_vertex_buffer(_handle:
                                                         bgfx_vertex_buffer_handle_t,
                                                     _startVertex: uint32_t,
                                                     _num: uint32_t) -> ();
    pub fn bgfx_set_instance_data_from_dynamic_vertex_buffer(_handle:
                                                                 bgfx_dynamic_vertex_buffer_handle_t,
                                                             _startVertex:
                                                                 uint32_t,
                                                             _num: uint32_t)
     -> ();
    pub fn bgfx_set_texture(_stage: uint8_t, _sampler: bgfx_uniform_handle_t,
                            _handle: bgfx_texture_handle_t, _flags: uint32_t)
     -> ();
    pub fn bgfx_set_texture_from_frame_buffer(_stage: uint8_t,
                                              _sampler: bgfx_uniform_handle_t,
                                              _handle:
                                                  bgfx_frame_buffer_handle_t,
                                              _attachment: uint8_t,
                                              _flags: uint32_t) -> ();
    pub fn bgfx_touch(_id: uint8_t) -> uint32_t;
    pub fn bgfx_submit(_id: uint8_t, _handle: bgfx_program_handle_t,
                       _depth: int32_t) -> uint32_t;
    pub fn bgfx_submit_occlusion_query(_id: uint8_t,
                                       _program: bgfx_program_handle_t,
                                       _occlusionQuery:
                                           bgfx_occlusion_query_handle_t,
                                       _depth: int32_t) -> uint32_t;
    pub fn bgfx_submit_indirect(_id: uint8_t, _handle: bgfx_program_handle_t,
                                _indirectHandle:
                                    bgfx_indirect_buffer_handle_t,
                                _start: uint16_t, _num: uint16_t,
                                _depth: int32_t) -> uint32_t;
    pub fn bgfx_set_image(_stage: uint8_t, _sampler: bgfx_uniform_handle_t,
                          _handle: bgfx_texture_handle_t, _mip: uint8_t,
                          _access: bgfx_access_t,
                          _format: bgfx_texture_format_t) -> ();
    pub fn bgfx_set_image_from_frame_buffer(_stage: uint8_t,
                                            _sampler: bgfx_uniform_handle_t,
                                            _handle:
                                                bgfx_frame_buffer_handle_t,
                                            _attachment: uint8_t,
                                            _access: bgfx_access_t,
                                            _format: bgfx_texture_format_t)
     -> ();
    pub fn bgfx_set_compute_index_buffer(_stage: uint8_t,
                                         _handle: bgfx_index_buffer_handle_t,
                                         _access: bgfx_access_t) -> ();
    pub fn bgfx_set_compute_vertex_buffer(_stage: uint8_t,
                                          _handle:
                                              bgfx_vertex_buffer_handle_t,
                                          _access: bgfx_access_t) -> ();
    pub fn bgfx_set_compute_dynamic_index_buffer(_stage: uint8_t,
                                                 _handle:
                                                     bgfx_dynamic_index_buffer_handle_t,
                                                 _access: bgfx_access_t)
     -> ();
    pub fn bgfx_set_compute_dynamic_vertex_buffer(_stage: uint8_t,
                                                  _handle:
                                                      bgfx_dynamic_vertex_buffer_handle_t,
                                                  _access: bgfx_access_t)
     -> ();
    pub fn bgfx_set_compute_indirect_buffer(_stage: uint8_t,
                                            _handle:
                                                bgfx_indirect_buffer_handle_t,
                                            _access: bgfx_access_t) -> ();
    pub fn bgfx_dispatch(_id: uint8_t, _handle: bgfx_program_handle_t,
                         _numX: uint16_t, _numY: uint16_t, _numZ: uint16_t,
                         _flags: uint8_t) -> uint32_t;
    pub fn bgfx_dispatch_indirect(_id: uint8_t,
                                  _handle: bgfx_program_handle_t,
                                  _indirectHandle:
                                      bgfx_indirect_buffer_handle_t,
                                  _start: uint16_t, _num: uint16_t,
                                  _flags: uint8_t) -> uint32_t;
    pub fn bgfx_discard() -> ();
    pub fn bgfx_blit(_id: uint8_t, _dst: bgfx_texture_handle_t,
                     _dstMip: uint8_t, _dstX: uint16_t, _dstY: uint16_t,
                     _dstZ: uint16_t, _src: bgfx_texture_handle_t,
                     _srcMip: uint8_t, _srcX: uint16_t, _srcY: uint16_t,
                     _srcZ: uint16_t, _width: uint16_t, _height: uint16_t,
                     _depth: uint16_t) -> ();
    pub fn bgfx_blit_frame_buffer(_id: uint8_t, _dst: bgfx_texture_handle_t,
                                  _dstMip: uint8_t, _dstX: uint16_t,
                                  _dstY: uint16_t, _dstZ: uint16_t,
                                  _src: bgfx_frame_buffer_handle_t,
                                  _attachment: uint8_t, _srcMip: uint8_t,
                                  _srcX: uint16_t, _srcY: uint16_t,
                                  _srcZ: uint16_t, _width: uint16_t,
                                  _height: uint16_t, _depth: uint16_t) -> ();
    pub fn bgfx_save_screen_shot(_filePath: *const ::libc::c_char) -> ();
}