mirror of
https://github.com/bkaradzic/bgfx.git
synced 2026-02-19 21:42:59 +01:00
texturec: Preserve precision of input texture.
This commit is contained in:
Branimir Karadžić
274
src/image.cpp
274
src/image.cpp
@@ -10,92 +10,93 @@ namespace bgfx
|
||||
{
|
||||
static const ImageBlockInfo s_imageBlockInfo[] =
|
||||
{
|
||||
// +------------------------------- bits per pixel
|
||||
// | +---------------------------- block width
|
||||
// | | +------------------------- block height
|
||||
// | | | +--------------------- block size
|
||||
// | | | | +------------------ min blocks x
|
||||
// | | | | | +--------------- min blocks y
|
||||
// | | | | | | +----------- depth bits
|
||||
// | | | | | | | +-------- stencil bits
|
||||
// | | | | | | | | +----- encoding type
|
||||
// | | | | | | | | |
|
||||
{ 4, 4, 4, 8, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // BC1
|
||||
{ 8, 4, 4, 16, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // BC2
|
||||
{ 8, 4, 4, 16, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // BC3
|
||||
{ 4, 4, 4, 8, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // BC4
|
||||
{ 8, 4, 4, 16, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // BC5
|
||||
{ 8, 4, 4, 16, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // BC6H
|
||||
{ 8, 4, 4, 16, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // BC7
|
||||
{ 4, 4, 4, 8, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // ETC1
|
||||
{ 4, 4, 4, 8, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // ETC2
|
||||
{ 8, 4, 4, 16, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // ETC2A
|
||||
{ 4, 4, 4, 8, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // ETC2A1
|
||||
{ 2, 8, 4, 8, 2, 2, 0, 0, uint8_t(EncodingType::Unorm) }, // PTC12
|
||||
{ 4, 4, 4, 8, 2, 2, 0, 0, uint8_t(EncodingType::Unorm) }, // PTC14
|
||||
{ 2, 8, 4, 8, 2, 2, 0, 0, uint8_t(EncodingType::Unorm) }, // PTC12A
|
||||
{ 4, 4, 4, 8, 2, 2, 0, 0, uint8_t(EncodingType::Unorm) }, // PTC14A
|
||||
{ 2, 8, 4, 8, 2, 2, 0, 0, uint8_t(EncodingType::Unorm) }, // PTC22
|
||||
{ 4, 4, 4, 8, 2, 2, 0, 0, uint8_t(EncodingType::Unorm) }, // PTC24
|
||||
{ 0, 0, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Count) }, // Unknown
|
||||
{ 1, 8, 1, 1, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // R1
|
||||
{ 8, 1, 1, 1, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // A8
|
||||
{ 8, 1, 1, 1, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // R8
|
||||
{ 8, 1, 1, 1, 1, 1, 0, 0, uint8_t(EncodingType::Int ) }, // R8I
|
||||
{ 8, 1, 1, 1, 1, 1, 0, 0, uint8_t(EncodingType::Uint ) }, // R8U
|
||||
{ 8, 1, 1, 1, 1, 1, 0, 0, uint8_t(EncodingType::Snorm) }, // R8S
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // R16
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, uint8_t(EncodingType::Int ) }, // R16I
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, uint8_t(EncodingType::Uint ) }, // R16U
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, uint8_t(EncodingType::Float) }, // R16F
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, uint8_t(EncodingType::Snorm) }, // R16S
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, uint8_t(EncodingType::Int ) }, // R32I
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, uint8_t(EncodingType::Uint ) }, // R32U
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, uint8_t(EncodingType::Float) }, // R32F
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // RG8
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, uint8_t(EncodingType::Int ) }, // RG8I
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, uint8_t(EncodingType::Uint ) }, // RG8U
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, uint8_t(EncodingType::Snorm) }, // RG8S
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // RG16
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, uint8_t(EncodingType::Int ) }, // RG16I
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, uint8_t(EncodingType::Uint ) }, // RG16U
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, uint8_t(EncodingType::Float) }, // RG16F
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, uint8_t(EncodingType::Snorm) }, // RG16S
|
||||
{ 64, 1, 1, 8, 1, 1, 0, 0, uint8_t(EncodingType::Int ) }, // RG32I
|
||||
{ 64, 1, 1, 8, 1, 1, 0, 0, uint8_t(EncodingType::Uint ) }, // RG32U
|
||||
{ 64, 1, 1, 8, 1, 1, 0, 0, uint8_t(EncodingType::Float) }, // RG32F
|
||||
{ 24, 1, 1, 3, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // RGB8
|
||||
{ 24, 1, 1, 3, 1, 1, 0, 0, uint8_t(EncodingType::Int ) }, // RGB8I
|
||||
{ 24, 1, 1, 3, 1, 1, 0, 0, uint8_t(EncodingType::Uint ) }, // RGB8U
|
||||
{ 24, 1, 1, 3, 1, 1, 0, 0, uint8_t(EncodingType::Snorm) }, // RGB8S
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, uint8_t(EncodingType::Float) }, // RGB9E5F
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // BGRA8
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // RGBA8
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, uint8_t(EncodingType::Int ) }, // RGBA8I
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, uint8_t(EncodingType::Uint ) }, // RGBA8U
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, uint8_t(EncodingType::Snorm) }, // RGBA8S
|
||||
{ 64, 1, 1, 8, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // RGBA16
|
||||
{ 64, 1, 1, 8, 1, 1, 0, 0, uint8_t(EncodingType::Int ) }, // RGBA16I
|
||||
{ 64, 1, 1, 8, 1, 1, 0, 0, uint8_t(EncodingType::Uint ) }, // RGBA16U
|
||||
{ 64, 1, 1, 8, 1, 1, 0, 0, uint8_t(EncodingType::Float) }, // RGBA16F
|
||||
{ 64, 1, 1, 8, 1, 1, 0, 0, uint8_t(EncodingType::Snorm) }, // RGBA16S
|
||||
{ 128, 1, 1, 16, 1, 1, 0, 0, uint8_t(EncodingType::Int ) }, // RGBA32I
|
||||
{ 128, 1, 1, 16, 1, 1, 0, 0, uint8_t(EncodingType::Uint ) }, // RGBA32U
|
||||
{ 128, 1, 1, 16, 1, 1, 0, 0, uint8_t(EncodingType::Float) }, // RGBA32F
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // R5G6B5
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // RGBA4
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // RGB5A1
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // RGB10A2
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, uint8_t(EncodingType::Unorm) }, // R11G11B10F
|
||||
{ 0, 0, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Count) }, // UnknownDepth
|
||||
{ 16, 1, 1, 2, 1, 1, 16, 0, uint8_t(EncodingType::Unorm) }, // D16
|
||||
{ 24, 1, 1, 3, 1, 1, 24, 0, uint8_t(EncodingType::Unorm) }, // D24
|
||||
{ 32, 1, 1, 4, 1, 1, 24, 8, uint8_t(EncodingType::Unorm) }, // D24S8
|
||||
{ 32, 1, 1, 4, 1, 1, 32, 0, uint8_t(EncodingType::Unorm) }, // D32
|
||||
{ 16, 1, 1, 2, 1, 1, 16, 0, uint8_t(EncodingType::Unorm) }, // D16F
|
||||
{ 24, 1, 1, 3, 1, 1, 24, 0, uint8_t(EncodingType::Unorm) }, // D24F
|
||||
{ 32, 1, 1, 4, 1, 1, 32, 0, uint8_t(EncodingType::Unorm) }, // D32F
|
||||
{ 8, 1, 1, 1, 1, 1, 0, 8, uint8_t(EncodingType::Unorm) }, // D0S8
|
||||
// +-------------------------------------------- bits per pixel
|
||||
// | +----------------------------------------- block width
|
||||
// | | +-------------------------------------- block height
|
||||
// | | | +---------------------------------- block size
|
||||
// | | | | +------------------------------- min blocks x
|
||||
// | | | | | +---------------------------- min blocks y
|
||||
// | | | | | | +------------------------ depth bits
|
||||
// | | | | | | | +--------------------- stencil bits
|
||||
// | | | | | | | | +----------------- r bits
|
||||
// | | | | | | | | | g b a +-- encoding type
|
||||
// | | | | | | | | | | | | |
|
||||
{ 4, 4, 4, 8, 1, 1, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // BC1
|
||||
{ 8, 4, 4, 16, 1, 1, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // BC2
|
||||
{ 8, 4, 4, 16, 1, 1, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // BC3
|
||||
{ 4, 4, 4, 8, 1, 1, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // BC4
|
||||
{ 8, 4, 4, 16, 1, 1, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // BC5
|
||||
{ 8, 4, 4, 16, 1, 1, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // BC6H
|
||||
{ 8, 4, 4, 16, 1, 1, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // BC7
|
||||
{ 4, 4, 4, 8, 1, 1, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // ETC1
|
||||
{ 4, 4, 4, 8, 1, 1, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // ETC2
|
||||
{ 8, 4, 4, 16, 1, 1, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // ETC2A
|
||||
{ 4, 4, 4, 8, 1, 1, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // ETC2A1
|
||||
{ 2, 8, 4, 8, 2, 2, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // PTC12
|
||||
{ 4, 4, 4, 8, 2, 2, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // PTC14
|
||||
{ 2, 8, 4, 8, 2, 2, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // PTC12A
|
||||
{ 4, 4, 4, 8, 2, 2, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // PTC14A
|
||||
{ 2, 8, 4, 8, 2, 2, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // PTC22
|
||||
{ 4, 4, 4, 8, 2, 2, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // PTC24
|
||||
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Count) }, // Unknown
|
||||
{ 1, 8, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // R1
|
||||
{ 8, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 8, uint8_t(EncodingType::Unorm) }, // A8
|
||||
{ 8, 1, 1, 1, 1, 1, 0, 0, 8, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // R8
|
||||
{ 8, 1, 1, 1, 1, 1, 0, 0, 8, 0, 0, 0, uint8_t(EncodingType::Int ) }, // R8I
|
||||
{ 8, 1, 1, 1, 1, 1, 0, 0, 8, 0, 0, 0, uint8_t(EncodingType::Uint ) }, // R8U
|
||||
{ 8, 1, 1, 1, 1, 1, 0, 0, 8, 0, 0, 0, uint8_t(EncodingType::Snorm) }, // R8S
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, 16, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // R16
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, 16, 0, 0, 0, uint8_t(EncodingType::Int ) }, // R16I
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, 16, 0, 0, 0, uint8_t(EncodingType::Uint ) }, // R16U
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, 16, 0, 0, 0, uint8_t(EncodingType::Float) }, // R16F
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, 16, 0, 0, 0, uint8_t(EncodingType::Snorm) }, // R16S
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, 32, 0, 0, 0, uint8_t(EncodingType::Int ) }, // R32I
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, 32, 0, 0, 0, uint8_t(EncodingType::Uint ) }, // R32U
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, 32, 0, 0, 0, uint8_t(EncodingType::Float) }, // R32F
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, 8, 8, 0, 0, uint8_t(EncodingType::Unorm) }, // RG8
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, 8, 8, 0, 0, uint8_t(EncodingType::Int ) }, // RG8I
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, 8, 8, 0, 0, uint8_t(EncodingType::Uint ) }, // RG8U
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, 8, 8, 0, 0, uint8_t(EncodingType::Snorm) }, // RG8S
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, 16, 16, 0, 0, uint8_t(EncodingType::Unorm) }, // RG16
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, 16, 16, 0, 0, uint8_t(EncodingType::Int ) }, // RG16I
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, 16, 16, 0, 0, uint8_t(EncodingType::Uint ) }, // RG16U
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, 16, 16, 0, 0, uint8_t(EncodingType::Float) }, // RG16F
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, 16, 16, 0, 0, uint8_t(EncodingType::Snorm) }, // RG16S
|
||||
{ 64, 1, 1, 8, 1, 1, 0, 0, 32, 32, 0, 0, uint8_t(EncodingType::Int ) }, // RG32I
|
||||
{ 64, 1, 1, 8, 1, 1, 0, 0, 32, 32, 0, 0, uint8_t(EncodingType::Uint ) }, // RG32U
|
||||
{ 64, 1, 1, 8, 1, 1, 0, 0, 32, 32, 0, 0, uint8_t(EncodingType::Float) }, // RG32F
|
||||
{ 24, 1, 1, 3, 1, 1, 0, 0, 8, 8, 8, 0, uint8_t(EncodingType::Unorm) }, // RGB8
|
||||
{ 24, 1, 1, 3, 1, 1, 0, 0, 8, 8, 8, 0, uint8_t(EncodingType::Int ) }, // RGB8I
|
||||
{ 24, 1, 1, 3, 1, 1, 0, 0, 8, 8, 8, 0, uint8_t(EncodingType::Uint ) }, // RGB8U
|
||||
{ 24, 1, 1, 3, 1, 1, 0, 0, 8, 8, 8, 0, uint8_t(EncodingType::Snorm) }, // RGB8S
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, 9, 9, 9, 5, uint8_t(EncodingType::Float) }, // RGB9E5F
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, 8, 8, 8, 8, uint8_t(EncodingType::Unorm) }, // BGRA8
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, 8, 8, 8, 8, uint8_t(EncodingType::Unorm) }, // RGBA8
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, 8, 8, 8, 8, uint8_t(EncodingType::Int ) }, // RGBA8I
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, 8, 8, 8, 8, uint8_t(EncodingType::Uint ) }, // RGBA8U
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, 8, 8, 8, 8, uint8_t(EncodingType::Snorm) }, // RGBA8S
|
||||
{ 64, 1, 1, 8, 1, 1, 0, 0, 16, 16, 16, 16, uint8_t(EncodingType::Unorm) }, // RGBA16
|
||||
{ 64, 1, 1, 8, 1, 1, 0, 0, 16, 16, 16, 16, uint8_t(EncodingType::Int ) }, // RGBA16I
|
||||
{ 64, 1, 1, 8, 1, 1, 0, 0, 16, 16, 16, 16, uint8_t(EncodingType::Uint ) }, // RGBA16U
|
||||
{ 64, 1, 1, 8, 1, 1, 0, 0, 16, 16, 16, 16, uint8_t(EncodingType::Float) }, // RGBA16F
|
||||
{ 64, 1, 1, 8, 1, 1, 0, 0, 16, 16, 16, 16, uint8_t(EncodingType::Snorm) }, // RGBA16S
|
||||
{ 128, 1, 1, 16, 1, 1, 0, 0, 32, 32, 32, 32, uint8_t(EncodingType::Int ) }, // RGBA32I
|
||||
{ 128, 1, 1, 16, 1, 1, 0, 0, 32, 32, 32, 32, uint8_t(EncodingType::Uint ) }, // RGBA32U
|
||||
{ 128, 1, 1, 16, 1, 1, 0, 0, 32, 32, 32, 32, uint8_t(EncodingType::Float) }, // RGBA32F
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, 5, 6, 5, 0, uint8_t(EncodingType::Unorm) }, // R5G6B5
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, 4, 4, 4, 4, uint8_t(EncodingType::Unorm) }, // RGBA4
|
||||
{ 16, 1, 1, 2, 1, 1, 0, 0, 5, 5, 5, 1, uint8_t(EncodingType::Unorm) }, // RGB5A1
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, 10, 10, 10, 2, uint8_t(EncodingType::Unorm) }, // RGB10A2
|
||||
{ 32, 1, 1, 4, 1, 1, 0, 0, 11, 11, 10, 0, uint8_t(EncodingType::Unorm) }, // R11G11B10F
|
||||
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, uint8_t(EncodingType::Count) }, // UnknownDepth
|
||||
{ 16, 1, 1, 2, 1, 1, 16, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // D16
|
||||
{ 24, 1, 1, 3, 1, 1, 24, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // D24
|
||||
{ 32, 1, 1, 4, 1, 1, 24, 8, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // D24S8
|
||||
{ 32, 1, 1, 4, 1, 1, 32, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // D32
|
||||
{ 16, 1, 1, 2, 1, 1, 16, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // D16F
|
||||
{ 24, 1, 1, 3, 1, 1, 24, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // D24F
|
||||
{ 32, 1, 1, 4, 1, 1, 32, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // D32F
|
||||
{ 8, 1, 1, 1, 1, 1, 0, 8, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // D0S8
|
||||
};
|
||||
BX_STATIC_ASSERT(TextureFormat::Count == BX_COUNTOF(s_imageBlockInfo) );
|
||||
|
||||
@@ -452,6 +453,100 @@ namespace bgfx
|
||||
}
|
||||
}
|
||||
|
||||
void imageRgba32fToLinear(void* _dst, uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src)
|
||||
{
|
||||
uint8_t* dst = ( uint8_t*)_dst;
|
||||
const uint8_t* src = (const uint8_t*)_src;
|
||||
|
||||
for (uint32_t yy = 0; yy < _height; ++yy, src += _pitch)
|
||||
{
|
||||
for (uint32_t xx = 0; xx < _width; ++xx, dst += 16)
|
||||
{
|
||||
float* fd = ( float*)dst;
|
||||
const float* fs = (const float*)src;
|
||||
|
||||
fd[0] = bx::fpow(fs[0], 1.0f/2.2f);
|
||||
fd[1] = bx::fpow(fs[1], 1.0f/2.2f);
|
||||
fd[2] = bx::fpow(fs[2], 1.0f/2.2f);
|
||||
fd[3] = fs[3];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void imageRgba32fToGamma(void* _dst, uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src)
|
||||
{
|
||||
uint8_t* dst = ( uint8_t*)_dst;
|
||||
const uint8_t* src = (const uint8_t*)_src;
|
||||
|
||||
for (uint32_t yy = 0; yy < _height; ++yy, src += _pitch)
|
||||
{
|
||||
for (uint32_t xx = 0; xx < _width; ++xx, dst += 16)
|
||||
{
|
||||
float* fd = ( float*)dst;
|
||||
const float* fs = (const float*)src;
|
||||
|
||||
fd[0] = bx::fpow(fs[0], 2.2f);
|
||||
fd[1] = bx::fpow(fs[1], 2.2f);
|
||||
fd[2] = bx::fpow(fs[2], 2.2f);
|
||||
fd[3] = fs[3];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void imageRgba32fLinearDownsample2x2Ref(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst)
|
||||
{
|
||||
const uint32_t dstwidth = _width/2;
|
||||
const uint32_t dstheight = _height/2;
|
||||
|
||||
if (0 == dstwidth
|
||||
|| 0 == dstheight)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
const uint8_t* src = (const uint8_t*)_src;
|
||||
uint8_t* dst = (uint8_t*)_dst;
|
||||
|
||||
for (uint32_t yy = 0, ystep = _pitch*2; yy < dstheight; ++yy, src += ystep)
|
||||
{
|
||||
const float* rgba0 = (const float*)&src[0];
|
||||
const float* rgba1 = (const float*)&src[_pitch];
|
||||
for (uint32_t xx = 0; xx < dstwidth; ++xx, rgba0 += 8, rgba1 += 8, dst += 16)
|
||||
{
|
||||
float xyz[4];
|
||||
xyz[0] = rgba0[0];
|
||||
xyz[1] = rgba0[1];
|
||||
xyz[2] = rgba0[2];
|
||||
xyz[3] = rgba0[3];
|
||||
|
||||
xyz[0] += rgba0[4];
|
||||
xyz[1] += rgba0[5];
|
||||
xyz[2] += rgba0[6];
|
||||
xyz[3] += rgba0[7];
|
||||
|
||||
xyz[0] += rgba1[0];
|
||||
xyz[1] += rgba1[1];
|
||||
xyz[2] += rgba1[2];
|
||||
xyz[3] += rgba1[3];
|
||||
|
||||
xyz[0] += rgba1[4];
|
||||
xyz[1] += rgba1[5];
|
||||
xyz[2] += rgba1[6];
|
||||
xyz[3] += rgba1[7];
|
||||
|
||||
xyz[0] *= 0.25f;
|
||||
xyz[1] *= 0.25f;
|
||||
xyz[2] *= 0.25f;
|
||||
xyz[3] *= 0.25f;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void imageRgba32fLinearDownsample2x2(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst)
|
||||
{
|
||||
imageRgba32fLinearDownsample2x2Ref(_width, _height, _pitch, _src, _dst);
|
||||
}
|
||||
|
||||
void imageRgba32fDownsample2x2NormalMapRef(uint32_t _width, uint32_t _height, uint32_t _pitch, const void* _src, void* _dst)
|
||||
{
|
||||
const uint32_t dstwidth = _width/2;
|
||||
@@ -1563,7 +1658,7 @@ namespace bgfx
|
||||
bool imageConvert(void* _dst, TextureFormat::Enum _dstFormat, const void* _src, TextureFormat::Enum _srcFormat, uint32_t _width, uint32_t _height)
|
||||
{
|
||||
const uint32_t srcBpp = s_imageBlockInfo[_srcFormat].bitsPerPixel;
|
||||
return imageConvert(_dst, _dstFormat, _src, _srcFormat, _width, _height, _width*srcBpp);
|
||||
return imageConvert(_dst, _dstFormat, _src, _srcFormat, _width, _height, _width*srcBpp/8);
|
||||
}
|
||||
|
||||
uint8_t bitRangeConvert(uint32_t _in, uint32_t _from, uint32_t _to)
|
||||
@@ -3605,12 +3700,17 @@ namespace bgfx
|
||||
break;
|
||||
|
||||
default:
|
||||
if (isCompressed(_format) )
|
||||
{
|
||||
void* temp = BX_ALLOC(_allocator, imageGetSize(_format, uint16_t(_pitch/4), uint16_t(_height) ) );
|
||||
imageDecodeToRgba8(temp, _src, _width, _height, _pitch, _format);
|
||||
imageRgba8ToRgba32f(_dst, _width, _height, _pitch, temp);
|
||||
BX_FREE(_allocator, temp);
|
||||
}
|
||||
else
|
||||
{
|
||||
imageConvert(_dst, TextureFormat::RGBA32F, _src, _format, _width, _height, _pitch);
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user