scratchfoundation/bgfx
1
0
Fork 0
mirror of https://github.com/scratchfoundation/bgfx.git synced 2024-11-24 16:48:18 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Added ETC2 and PVRTC2.

Browse source
This commit is contained in:
bkaradzic 2013-09-04 21:42:31 -07:00
parent 9d59e31f6a
commit 8cdc2a1d15
8 changed files with 418 additions and 404 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
README.md
View file

@ -292,6 +292,7 @@ Todo
- Occlusion queries.
- DX11: MSAA.
- Fullscreen mode.
- ETC2, PVRTC1/2 decoding fallback for targets that don't support it natively.
Contact
-------

23
include/bgfx.h
View file

@ -302,14 +302,21 @@ namespace bgfx
{
enum Enum
{
BC1, // DXT1
BC2, // DXT3
BC3, // DXT5
BC4, // LATC1/ATI1
BC5, // LATC2/ATI2
ETC1, // ETC1_RGB8
PTC12, // PVRTC1_2BPP_RGBA
PTC14, // PVRTC1_4BPP_RGBA
BC1, // DXT1
BC2, // DXT3
BC3, // DXT5
BC4, // LATC1/ATI1
BC5, // LATC2/ATI2
ETC1, // ETC1 RGB8
ETC2, // ETC2 RGB8
ETC2A, // ETC2 RGBA8
ETC2A1, // ETC2 RGB8A1
PTC12, // PVRTC1 RGB 2BPP
PTC14, // PVRTC1 RGB 4BPP
PTC14A, // PVRTC1 RGBA 4BPP
PTC12A, // PVRTC1 RGBA 2BPP
PTC22, // PVRTC2 RGBA 2BPP
PTC24, // PVRTC2 RGBA 4BPP
Unknown,
L8,
BGRX8,

29
src/bgfx.cpp
View file

@ -993,33 +993,6 @@ namespace bgfx
s_ctx.destroyProgram(_handle);
}
static const uint32_t s_bitsPerPixel[TextureFormat::Count] =
{
4, // BC1
8, // BC2
8, // BC3
4, // BC4
8, // BC5
4, // ETC1
2, // PVRTC1_2BPP_RGBA
4, // PVRTC1_2BPP_RGBA
0, // Unknown
8, // L8
32, // BGRX8
32, // BGRA8
64, // RGBA16
64, // RGBA16F
16, // R5G6B5
16, // RGBA4
16, // RGB5A1
32, // RGB10A2
};
uint32_t getBitsPerPixel(TextureFormat::Enum _format)
{
return s_bitsPerPixel[_format];
}
void calcTextureSize(TextureInfo& _info, uint16_t _width, uint16_t _height, uint16_t _depth, uint8_t _numMips, TextureFormat::Enum _format)
{
_width = bx::uint32_max(1, _width);
@ -1031,7 +1004,7 @@ namespace bgfx
uint32_t height = _height;
uint32_t depth = _depth;
uint32_t bpp = s_bitsPerPixel[_format];
uint32_t bpp = getBitsPerPixel(_format);
uint32_t size = 0;
for (uint32_t lod = 0; lod < _numMips; ++lod)

569
src/image.cpp
View file

@ -9,110 +9,42 @@
#include "image.h"
// DDS
#define DDS_MAGIC BX_MAKEFOURCC('D', 'D', 'S', ' ')
#define DDS_HEADER_SIZE 124
#define DDS_IMAGE_DATA_OFFSET (DDS_HEADER_SIZE + 4)
#define DDS_DXT1 BX_MAKEFOURCC('D', 'X', 'T', '1')
#define DDS_DXT2 BX_MAKEFOURCC('D', 'X', 'T', '2')
#define DDS_DXT3 BX_MAKEFOURCC('D', 'X', 'T', '3')
#define DDS_DXT4 BX_MAKEFOURCC('D', 'X', 'T', '4')
#define DDS_DXT5 BX_MAKEFOURCC('D', 'X', 'T', '5')
#define DDS_ATI1 BX_MAKEFOURCC('A', 'T', 'I', '1')
#define DDS_BC4U BX_MAKEFOURCC('B', 'C', '4', 'U')
#define DDS_ATI2 BX_MAKEFOURCC('A', 'T', 'I', '2')
#define DDS_BC5U BX_MAKEFOURCC('B', 'C', '5', 'U')
#define D3DFMT_A16B16G16R16 36
#define D3DFMT_A16B16G16R16F 113
#define DDSD_CAPS 0x00000001
#define DDSD_HEIGHT 0x00000002
#define DDSD_WIDTH 0x00000004
#define DDSD_PITCH 0x00000008
#define DDSD_PIXELFORMAT 0x00001000
#define DDSD_MIPMAPCOUNT 0x00020000
#define DDSD_LINEARSIZE 0x00080000
#define DDSD_DEPTH 0x00800000
#define DDPF_ALPHAPIXELS 0x00000001
#define DDPF_ALPHA 0x00000002
#define DDPF_FOURCC 0x00000004
#define DDPF_INDEXED 0x00000020
#define DDPF_RGB 0x00000040
#define DDPF_YUV 0x00000200
#define DDPF_LUMINANCE 0x00020000
#define DDSCAPS_COMPLEX 0x00000008
#define DDSCAPS_TEXTURE 0x00001000
#define DDSCAPS_MIPMAP 0x00400000
#define DDSCAPS2_CUBEMAP 0x00000200
#define DDSCAPS2_CUBEMAP_POSITIVEX 0x00000400
#define DDSCAPS2_CUBEMAP_NEGATIVEX 0x00000800
#define DDSCAPS2_CUBEMAP_POSITIVEY 0x00001000
#define DDSCAPS2_CUBEMAP_NEGATIVEY 0x00002000
#define DDSCAPS2_CUBEMAP_POSITIVEZ 0x00004000
#define DDSCAPS2_CUBEMAP_NEGATIVEZ 0x00008000
#define DDS_CUBEMAP_ALLFACES (DDSCAPS2_CUBEMAP_POSITIVEX|DDSCAPS2_CUBEMAP_NEGATIVEX \
|DDSCAPS2_CUBEMAP_POSITIVEY|DDSCAPS2_CUBEMAP_NEGATIVEY \
|DDSCAPS2_CUBEMAP_POSITIVEZ|DDSCAPS2_CUBEMAP_NEGATIVEZ)
#define DDSCAPS2_VOLUME 0x00200000
// KTX
#define KTX_MAGIC BX_MAKEFOURCC(0xAB, 'K', 'T', 'X')
#define KTX_HEADER_SIZE 64
#define KTX_ETC1_RGB8_OES 0x8D64
#define KTX_COMPRESSED_R11_EAC 0x9270
#define KTX_COMPRESSED_SIGNED_R11_EAC 0x9271
#define KTX_COMPRESSED_RG11_EAC 0x9272
#define KTX_COMPRESSED_SIGNED_RG11_EAC 0x9273
#define KTX_COMPRESSED_RGB8_ETC2 0x9274
#define KTX_COMPRESSED_SRGB8_ETC2 0x9275
#define KTX_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276
#define KTX_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9277
#define KTX_COMPRESSED_RGBA8_ETC2_EAC 0x9278
#define KTX_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC 0x9279
#define KTX_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00
#define KTX_COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01
#define KTX_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02
#define KTX_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG 0x8C03
#define KTX_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1
#define KTX_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2
#define KTX_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
#define KTX_COMPRESSED_LUMINANCE_LATC1_EXT 0x8C70
#define KTX_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT 0x8C72
#define KTX_RGBA16 0x805B
#define KTX_RGBA16F 0x881A
// PVR3
#define PVR3_MAKE8CC(_a, _b, _c, _d, _e, _f, _g, _h) (uint64_t(BX_MAKEFOURCC(_a, _b, _c, _d) ) | (uint64_t(BX_MAKEFOURCC(_e, _f, _g, _h) )<<32) )
#define PVR3_MAGIC BX_MAKEFOURCC('P', 'V', 'R', 3)
#define PVR3_HEADER_SIZE 52
#define PVR3_PVRTC1_2BPP_RGB 0
#define PVR3_PVRTC1_2BPP_RGBA 1
#define PVR3_PVRTC1_4BPP_RGB 2
#define PVR3_PVRTC1_4BPP_RGBA 3
#define PVR3_ETC1 6
#define PVR3_DXT1 7
#define PVR3_DXT2 8
#define PVR3_DXT3 9
#define PVR3_DXT4 10
#define PVR3_DXT5 11
#define PVR3_BC4 12
#define PVR3_BC5 13
#define PVR3_RGBA16 PVR3_MAKE8CC('r', 'g', 'b', 'a', 16, 16, 16, 16)
#define PVR3_CHANNEL_TYPE_FLOAT 12
namespace bgfx
{
static const uint32_t s_bitsPerPixel[TextureFormat::Count] =
{
4, // BC1
8, // BC2
8, // BC3
4, // BC4
8, // BC5
4, // ETC1
4, // ETC2
4, // ETC2A
4, // ETC2A1
2, // PTC12
4, // PTC14
2, // PTC12A
4, // PTC14A
2, // PTC22
4, // PTC24
0, // Unknown
8, // L8
32, // BGRX8
32, // BGRA8
64, // RGBA16
64, // RGBA16F
16, // R5G6B5
16, // RGBA4
16, // RGB5A1
32, // RGB10A2
};
uint32_t getBitsPerPixel(TextureFormat::Enum _format)
{
return s_bitsPerPixel[_format];
}
void imageSolid(uint32_t _width, uint32_t _height, uint32_t _solid, void* _dst)
{
uint32_t* dst = (uint32_t*)_dst;
@ -800,6 +732,84 @@ namespace bgfx
}
}
// DDS
#define DDS_MAGIC BX_MAKEFOURCC('D', 'D', 'S', ' ')
#define DDS_HEADER_SIZE 124
#define DDS_IMAGE_DATA_OFFSET (DDS_HEADER_SIZE + 4)
#define DDS_DXT1 BX_MAKEFOURCC('D', 'X', 'T', '1')
#define DDS_DXT2 BX_MAKEFOURCC('D', 'X', 'T', '2')
#define DDS_DXT3 BX_MAKEFOURCC('D', 'X', 'T', '3')
#define DDS_DXT4 BX_MAKEFOURCC('D', 'X', 'T', '4')
#define DDS_DXT5 BX_MAKEFOURCC('D', 'X', 'T', '5')
#define DDS_ATI1 BX_MAKEFOURCC('A', 'T', 'I', '1')
#define DDS_BC4U BX_MAKEFOURCC('B', 'C', '4', 'U')
#define DDS_ATI2 BX_MAKEFOURCC('A', 'T', 'I', '2')
#define DDS_BC5U BX_MAKEFOURCC('B', 'C', '5', 'U')
#define D3DFMT_A16B16G16R16 36
#define D3DFMT_A16B16G16R16F 113
#define DDSD_CAPS 0x00000001
#define DDSD_HEIGHT 0x00000002
#define DDSD_WIDTH 0x00000004
#define DDSD_PITCH 0x00000008
#define DDSD_PIXELFORMAT 0x00001000
#define DDSD_MIPMAPCOUNT 0x00020000
#define DDSD_LINEARSIZE 0x00080000
#define DDSD_DEPTH 0x00800000
#define DDPF_ALPHAPIXELS 0x00000001
#define DDPF_ALPHA 0x00000002
#define DDPF_FOURCC 0x00000004
#define DDPF_INDEXED 0x00000020
#define DDPF_RGB 0x00000040
#define DDPF_YUV 0x00000200
#define DDPF_LUMINANCE 0x00020000
#define DDSCAPS_COMPLEX 0x00000008
#define DDSCAPS_TEXTURE 0x00001000
#define DDSCAPS_MIPMAP 0x00400000
#define DDSCAPS2_CUBEMAP 0x00000200
#define DDSCAPS2_CUBEMAP_POSITIVEX 0x00000400
#define DDSCAPS2_CUBEMAP_NEGATIVEX 0x00000800
#define DDSCAPS2_CUBEMAP_POSITIVEY 0x00001000
#define DDSCAPS2_CUBEMAP_NEGATIVEY 0x00002000
#define DDSCAPS2_CUBEMAP_POSITIVEZ 0x00004000
#define DDSCAPS2_CUBEMAP_NEGATIVEZ 0x00008000
#define DDS_CUBEMAP_ALLFACES (DDSCAPS2_CUBEMAP_POSITIVEX|DDSCAPS2_CUBEMAP_NEGATIVEX \
|DDSCAPS2_CUBEMAP_POSITIVEY|DDSCAPS2_CUBEMAP_NEGATIVEY \
|DDSCAPS2_CUBEMAP_POSITIVEZ|DDSCAPS2_CUBEMAP_NEGATIVEZ)
#define DDSCAPS2_VOLUME 0x00200000
static struct TranslateDdsFormat
{
uint32_t m_format;
TextureFormat::Enum m_textureFormat;
} s_translateDdsFormat[] =
{
{ DDS_DXT1, TextureFormat::BC1 },
{ DDS_DXT2, TextureFormat::BC2 },
{ DDS_DXT3, TextureFormat::BC2 },
{ DDS_DXT4, TextureFormat::BC3 },
{ DDS_DXT5, TextureFormat::BC3 },
{ DDS_ATI1, TextureFormat::BC4 },
{ DDS_BC4U, TextureFormat::BC4 },
{ DDS_ATI2, TextureFormat::BC5 },
{ DDS_BC5U, TextureFormat::BC5 },
{ D3DFMT_A16B16G16R16, TextureFormat::RGBA16 },
{ D3DFMT_A16B16G16R16F, TextureFormat::RGBA16F },
{ DDPF_RGB, TextureFormat::BGRX8 },
{ DDPF_RGB|DDPF_ALPHAPIXELS, TextureFormat::BGRA8 },
{ DDPF_INDEXED, TextureFormat::L8 },
{ DDPF_LUMINANCE, TextureFormat::L8 },
{ DDPF_ALPHA, TextureFormat::L8 },
};
bool imageParseDds(ImageContainer& _imageContainer, bx::ReaderSeekerI* _reader)
{
uint32_t headerSize;
@ -882,85 +892,22 @@ namespace bgfx
TextureFormat::Enum type = TextureFormat::Unknown;
bool hasAlpha = pixelFlags & DDPF_ALPHAPIXELS;
if (pixelFlags & DDPF_FOURCC)
uint32_t format = pixelFlags & DDPF_FOURCC ? fourcc : pixelFlags;
for (uint32_t ii = 0; ii < BX_COUNTOF(s_translateDdsFormat); ++ii)
{
switch (fourcc)
if (s_translateDdsFormat[ii].m_format == format)
{
case DDS_DXT1:
type = TextureFormat::BC1;
bpp = 4;
blockSize = 4*4*bpp/8;
break;
case DDS_DXT2:
case DDS_DXT3:
type = TextureFormat::BC2;
bpp = 8;
blockSize = 4*4*bpp/8;
break;
case DDS_DXT4:
case DDS_DXT5:
type = TextureFormat::BC3;
bpp = 8;
blockSize = 4*4*bpp/8;
break;
case DDS_ATI1:
case DDS_BC4U:
type = TextureFormat::BC4;
bpp = 4;
blockSize = 4*4*bpp/8;
break;
case DDS_ATI2:
case DDS_BC5U:
type = TextureFormat::BC5;
bpp = 8;
blockSize = 4*4*bpp/8;
break;
case D3DFMT_A16B16G16R16:
type = TextureFormat::RGBA16;
blockSize = 8;
bpp = 64;
break;
case D3DFMT_A16B16G16R16F:
type = TextureFormat::RGBA16F;
blockSize = 8;
bpp = 64;
type = s_translateDdsFormat[ii].m_textureFormat;
break;
}
}
else
{
switch (pixelFlags)
{
case DDPF_RGB:
type = TextureFormat::BGRX8;
blockSize = 3;
bpp = 24;
break;
case DDPF_RGB|DDPF_ALPHAPIXELS:
type = TextureFormat::BGRA8;
blockSize = 4;
bpp = 32;
break;
case DDPF_INDEXED:
case DDPF_LUMINANCE:
case DDPF_ALPHA:
type = TextureFormat::L8;
bpp = 8;
break;
default:
bpp = 0;
break;
}
}
bpp = TextureFormat::BGRX8 == type // special case to force conversion to 32-bpp.
? 24
: getBitsPerPixel(type)
;
blockSize = type < TextureFormat::Unknown ? 4*4 : 1;
blockSize = blockSize*bpp/8;
_imageContainer.m_type = type;
_imageContainer.m_offset = DDS_IMAGE_DATA_OFFSET;
@ -977,6 +924,68 @@ namespace bgfx
return TextureFormat::Unknown != type;
}
// KTX
#define KTX_MAGIC BX_MAKEFOURCC(0xAB, 'K', 'T', 'X')
#define KTX_HEADER_SIZE 64
#define KTX_ETC1_RGB8_OES 0x8D64
#define KTX_COMPRESSED_R11_EAC 0x9270
#define KTX_COMPRESSED_SIGNED_R11_EAC 0x9271
#define KTX_COMPRESSED_RG11_EAC 0x9272
#define KTX_COMPRESSED_SIGNED_RG11_EAC 0x9273
#define KTX_COMPRESSED_RGB8_ETC2 0x9274
#define KTX_COMPRESSED_SRGB8_ETC2 0x9275
#define KTX_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276
#define KTX_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9277
#define KTX_COMPRESSED_RGBA8_ETC2_EAC 0x9278
#define KTX_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC 0x9279
#define KTX_COMPRESSED_RGB_PVRTC_4BPPV1_IMG 0x8C00
#define KTX_COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01
#define KTX_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02
#define KTX_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG 0x8C03
#define KTX_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG 0x9137
#define KTX_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG 0x9138
#define KTX_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1
#define KTX_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2
#define KTX_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
#define KTX_COMPRESSED_LUMINANCE_LATC1_EXT 0x8C70
#define KTX_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT 0x8C72
#define KTX_RGBA16 0x805B
#define KTX_RGBA16F 0x881A
static struct TranslateKtxFormat
{
uint32_t m_format;
TextureFormat::Enum m_textureFormat;
} s_translateKtxFormat[] =
{
{ KTX_COMPRESSED_RGBA_S3TC_DXT1_EXT, TextureFormat::BC1 },
{ KTX_COMPRESSED_RGBA_S3TC_DXT3_EXT, TextureFormat::BC2 },
{ KTX_COMPRESSED_RGBA_S3TC_DXT5_EXT, TextureFormat::BC3 },
{ KTX_COMPRESSED_LUMINANCE_LATC1_EXT, TextureFormat::BC4 },
{ KTX_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT, TextureFormat::BC5 },
{ KTX_ETC1_RGB8_OES, TextureFormat::ETC1 },
{ KTX_COMPRESSED_RGB8_ETC2, TextureFormat::ETC2 },
{ KTX_COMPRESSED_RGBA8_ETC2_EAC, TextureFormat::ETC2A },
{ KTX_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, TextureFormat::ETC2A1 },
{ KTX_COMPRESSED_RGB_PVRTC_2BPPV1_IMG, TextureFormat::PTC12 },
{ KTX_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG, TextureFormat::PTC12A },
{ KTX_COMPRESSED_RGB_PVRTC_4BPPV1_IMG, TextureFormat::PTC14 },
{ KTX_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG, TextureFormat::PTC14A },
{ KTX_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG, TextureFormat::PTC22 },
{ KTX_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG, TextureFormat::PTC24 },
{ KTX_RGBA16, TextureFormat::RGBA16 },
{ KTX_RGBA16F, TextureFormat::RGBA16F },
{ KTX_COMPRESSED_R11_EAC, TextureFormat::Unknown },
{ KTX_COMPRESSED_SIGNED_R11_EAC, TextureFormat::Unknown },
{ KTX_COMPRESSED_RG11_EAC, TextureFormat::Unknown },
{ KTX_COMPRESSED_SIGNED_RG11_EAC, TextureFormat::Unknown },
{ KTX_COMPRESSED_SRGB8_ETC2, TextureFormat::Unknown },
{ KTX_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2, TextureFormat::Unknown },
{ KTX_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC, TextureFormat::Unknown },
};
bool imageParseKtx(ImageContainer& _imageContainer, bx::ReaderSeekerI* _reader)
{
uint8_t identifier[8];
@ -1037,84 +1046,22 @@ namespace bgfx
TextureFormat::Enum type = TextureFormat::Unknown;
bool hasAlpha = false;
switch (glInternalFormat)
for (uint32_t ii = 0; ii < BX_COUNTOF(s_translateKtxFormat); ++ii)
{
case KTX_COMPRESSED_RGBA_S3TC_DXT1_EXT:
type = TextureFormat::BC1;
bpp = 4;
blockSize = 4*4*bpp/8;
break;
case KTX_COMPRESSED_RGBA_S3TC_DXT3_EXT:
type = TextureFormat::BC2;
bpp = 8;
blockSize = 4*4*bpp/8;
break;
case KTX_COMPRESSED_RGBA_S3TC_DXT5_EXT:
type = TextureFormat::BC3;
bpp = 8;
blockSize = 4*4*bpp/8;
break;
case KTX_COMPRESSED_LUMINANCE_LATC1_EXT:
type = TextureFormat::BC4;
bpp = 4;
blockSize = 4*4*bpp/8;
break;
case KTX_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
type = TextureFormat::BC5;
bpp = 8;
blockSize = 4*4*bpp/8;
break;
case KTX_ETC1_RGB8_OES:
type = TextureFormat::ETC1;
bpp = 4;
blockSize = 4*4*bpp/8;
break;
case KTX_COMPRESSED_RGB_PVRTC_2BPPV1_IMG:
case KTX_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG:
type = TextureFormat::PTC12;
bpp = 2;
blockSize = 4*4*bpp/8;
break;
case KTX_COMPRESSED_RGB_PVRTC_4BPPV1_IMG:
case KTX_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG:
type = TextureFormat::PTC14;
bpp = 2;
blockSize = 4*4*bpp/8;
break;
case KTX_RGBA16:
type = TextureFormat::RGBA16;
blockSize = 8;
bpp = 64;
break;
case KTX_RGBA16F:
type = TextureFormat::RGBA16F;
blockSize = 8;
bpp = 64;
break;
case KTX_COMPRESSED_R11_EAC:
case KTX_COMPRESSED_SIGNED_R11_EAC:
case KTX_COMPRESSED_RG11_EAC:
case KTX_COMPRESSED_SIGNED_RG11_EAC:
case KTX_COMPRESSED_RGB8_ETC2:
case KTX_COMPRESSED_SRGB8_ETC2:
case KTX_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
case KTX_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
case KTX_COMPRESSED_RGBA8_ETC2_EAC:
case KTX_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
default:
break;
if (s_translateKtxFormat[ii].m_format == glInternalFormat)
{
type = s_translateKtxFormat[ii].m_textureFormat;
break;
}
}
bpp = TextureFormat::BGRX8 == type // special case to force conversion to 32-bpp.
? 24
: getBitsPerPixel(type)
;
blockSize = type < TextureFormat::Unknown ? 4*4 : 1;
blockSize = blockSize*bpp/8;
_imageContainer.m_type = type;
_imageContainer.m_offset = (uint32_t)offset;
_imageContainer.m_width = width;
@ -1130,6 +1077,53 @@ namespace bgfx
return TextureFormat::Unknown != type;
}
// PVR3
#define PVR3_MAKE8CC(_a, _b, _c, _d, _e, _f, _g, _h) (uint64_t(BX_MAKEFOURCC(_a, _b, _c, _d) ) | (uint64_t(BX_MAKEFOURCC(_e, _f, _g, _h) )<<32) )
#define PVR3_MAGIC BX_MAKEFOURCC('P', 'V', 'R', 3)
#define PVR3_HEADER_SIZE 52
#define PVR3_PVRTC1_2BPP_RGB 0
#define PVR3_PVRTC1_2BPP_RGBA 1
#define PVR3_PVRTC1_4BPP_RGB 2
#define PVR3_PVRTC1_4BPP_RGBA 3
#define PVR3_ETC1 6
#define PVR3_DXT1 7
#define PVR3_DXT2 8
#define PVR3_DXT3 9
#define PVR3_DXT4 10
#define PVR3_DXT5 11
#define PVR3_BC4 12
#define PVR3_BC5 13
#define PVR3_RGBA16 PVR3_MAKE8CC('r', 'g', 'b', 'a', 16, 16, 16, 16)
#define PVR3_CHANNEL_TYPE_ANY UINT32_MAX
#define PVR3_CHANNEL_TYPE_FLOAT UINT32_C(12)
static struct TranslatePvr3Format
{
uint64_t m_format;
uint32_t m_channelTypeMask;
TextureFormat::Enum m_textureFormat;
} s_translatePvr3Format[] =
{
{ PVR3_PVRTC1_2BPP_RGB, PVR3_CHANNEL_TYPE_ANY, TextureFormat::PTC12 },
{ PVR3_PVRTC1_2BPP_RGBA, PVR3_CHANNEL_TYPE_ANY, TextureFormat::PTC12 },
{ PVR3_PVRTC1_4BPP_RGB, PVR3_CHANNEL_TYPE_ANY, TextureFormat::PTC14 },
{ PVR3_PVRTC1_4BPP_RGBA, PVR3_CHANNEL_TYPE_ANY, TextureFormat::PTC14 },
{ PVR3_ETC1, PVR3_CHANNEL_TYPE_ANY, TextureFormat::ETC1 },
{ PVR3_DXT1, PVR3_CHANNEL_TYPE_ANY, TextureFormat::BC1 },
{ PVR3_DXT2, PVR3_CHANNEL_TYPE_ANY, TextureFormat::BC2 },
{ PVR3_DXT3, PVR3_CHANNEL_TYPE_ANY, TextureFormat::BC2 },
{ PVR3_DXT4, PVR3_CHANNEL_TYPE_ANY, TextureFormat::BC3 },
{ PVR3_DXT5, PVR3_CHANNEL_TYPE_ANY, TextureFormat::BC3 },
{ PVR3_BC4, PVR3_CHANNEL_TYPE_ANY, TextureFormat::BC4 },
{ PVR3_BC5, PVR3_CHANNEL_TYPE_ANY, TextureFormat::BC5 },
{ PVR3_RGBA16, PVR3_CHANNEL_TYPE_FLOAT, TextureFormat::RGBA16F },
{ PVR3_RGBA16, PVR3_CHANNEL_TYPE_ANY, TextureFormat::RGBA16 },
};
bool imageParsePvr3(ImageContainer& _imageContainer, bx::ReaderSeekerI* _reader)
{
uint32_t flags;
@ -1173,70 +1167,23 @@ namespace bgfx
TextureFormat::Enum type = TextureFormat::Unknown;
bool hasAlpha = false;
switch (pixelFormat)
for (uint32_t ii = 0; ii < BX_COUNTOF(s_translatePvr3Format); ++ii)
{
case PVR3_PVRTC1_2BPP_RGB:
case PVR3_PVRTC1_2BPP_RGBA:
type = TextureFormat::PTC12;
bpp = 2;
blockSize = 4*4*bpp/8;
break;
case PVR3_PVRTC1_4BPP_RGB:
case PVR3_PVRTC1_4BPP_RGBA:
type = TextureFormat::PTC14;
bpp = 2;
blockSize = 4*4*bpp/8;
break;
case PVR3_ETC1:
type = TextureFormat::ETC1;
bpp = 4;
blockSize = 4*4*bpp/8;
break;
case PVR3_DXT1:
type = TextureFormat::BC1;
bpp = 4;
blockSize = 4*4*bpp/8;
break;
case PVR3_DXT2:
case PVR3_DXT3:
type = TextureFormat::BC2;
bpp = 8;
blockSize = 4*4*bpp/8;
break;
case PVR3_DXT4:
case PVR3_DXT5:
type = TextureFormat::BC3;
bpp = 8;
blockSize = 4*4*bpp/8;
break;
case PVR3_BC4:
type = TextureFormat::BC4;
bpp = 4;
blockSize = 4*4*bpp/8;
break;
case PVR3_BC5:
type = TextureFormat::BC5;
bpp = 8;
blockSize = 4*4*bpp/8;
break;
case PVR3_RGBA16:
type = PVR3_CHANNEL_TYPE_FLOAT == channelType
? TextureFormat::RGBA16F
: TextureFormat::RGBA16
;
blockSize = 8;
bpp = 64;
break;
if (s_translatePvr3Format[ii].m_format == pixelFormat
&& channelType == (s_translatePvr3Format[ii].m_channelTypeMask & channelType) )
{
type = s_translatePvr3Format[ii].m_textureFormat;
break;
}
}
bpp = TextureFormat::BGRX8 == type // special case to force conversion to 32-bpp.
? 24
: getBitsPerPixel(type)
;
blockSize = type < TextureFormat::Unknown ? 4*4 : 1;
blockSize = blockSize*bpp/8;
_imageContainer.m_type = type;
_imageContainer.m_offset = (uint32_t)offset;
_imageContainer.m_width = width;

41
src/renderer_d3d11.cpp
View file

@ -183,24 +183,31 @@ namespace bgfx
static const TextureFormatInfo s_textureFormat[TextureFormat::Count] =
{
{ DXGI_FORMAT_BC1_UNORM },
{ DXGI_FORMAT_BC2_UNORM },
{ DXGI_FORMAT_BC3_UNORM },
{ DXGI_FORMAT_BC4_UNORM },
{ DXGI_FORMAT_BC5_UNORM },
{ DXGI_FORMAT_BC1_UNORM }, // BC1
{ DXGI_FORMAT_BC2_UNORM }, // BC2
{ DXGI_FORMAT_BC3_UNORM }, // BC3
{ DXGI_FORMAT_BC4_UNORM }, // BC4
{ DXGI_FORMAT_BC5_UNORM }, // BC5
{ DXGI_FORMAT_UNKNOWN }, // ETC1
{ DXGI_FORMAT_UNKNOWN }, // PVRTC1_2BPP_RGBA
{ DXGI_FORMAT_UNKNOWN }, // PVRTC1_4BPP_RGBA
{ DXGI_FORMAT_UNKNOWN },
{ DXGI_FORMAT_R8_UNORM },
{ DXGI_FORMAT_B8G8R8A8_UNORM },
{ DXGI_FORMAT_B8G8R8A8_UNORM },
{ DXGI_FORMAT_R16G16B16A16_UNORM },
{ DXGI_FORMAT_R16G16B16A16_FLOAT },
{ DXGI_FORMAT_B5G6R5_UNORM },
{ DXGI_FORMAT_B4G4R4A4_UNORM },
{ DXGI_FORMAT_B5G5R5A1_UNORM },
{ DXGI_FORMAT_R10G10B10A2_UNORM },
{ DXGI_FORMAT_UNKNOWN }, // ETC2
{ DXGI_FORMAT_UNKNOWN }, // ETC2A
{ DXGI_FORMAT_UNKNOWN }, // ETC2A1
{ DXGI_FORMAT_UNKNOWN }, // PTC12
{ DXGI_FORMAT_UNKNOWN }, // PTC14
{ DXGI_FORMAT_UNKNOWN }, // PTC12A
{ DXGI_FORMAT_UNKNOWN }, // PTC14A
{ DXGI_FORMAT_UNKNOWN }, // PTC22
{ DXGI_FORMAT_UNKNOWN }, // PTC24
{ DXGI_FORMAT_UNKNOWN }, // Unknown
{ DXGI_FORMAT_R8_UNORM }, // L8
{ DXGI_FORMAT_B8G8R8A8_UNORM }, // BGRX8
{ DXGI_FORMAT_B8G8R8A8_UNORM }, // BGRA8
{ DXGI_FORMAT_R16G16B16A16_UNORM }, // RGBA16
{ DXGI_FORMAT_R16G16B16A16_FLOAT }, // RGBA16F
{ DXGI_FORMAT_B5G6R5_UNORM }, // R5G6B5
{ DXGI_FORMAT_B4G4R4A4_UNORM }, // RGBA4
{ DXGI_FORMAT_B5G5R5A1_UNORM }, // RGB5A1
{ DXGI_FORMAT_R10G10B10A2_UNORM }, // RGB10A2
};
static const D3D11_INPUT_ELEMENT_DESC s_attrib[Attrib::Count] =

41
src/renderer_d3d9.cpp
View file

@ -188,24 +188,31 @@ namespace bgfx
static const TextureFormatInfo s_textureFormat[TextureFormat::Count] =
{
{ D3DFMT_DXT1, 4 },
{ D3DFMT_DXT3, 8 },
{ D3DFMT_DXT5, 8 },
{ D3DFMT_ATI1, 4 },
{ D3DFMT_ATI2, 8 },
{ D3DFMT_DXT1, 4 }, // BC1
{ D3DFMT_DXT3, 8 }, // BC2
{ D3DFMT_DXT5, 8 }, // BC3
{ D3DFMT_ATI1, 4 }, // BC4
{ D3DFMT_ATI2, 8 }, // BC5
{ D3DFMT_UNKNOWN, 0 }, // ETC1
{ D3DFMT_UNKNOWN, 0 }, // PVRTC1_2BPP_RGBA
{ D3DFMT_UNKNOWN, 0 }, // PVRTC1_4BPP_RGBA
{ D3DFMT_UNKNOWN, 0 },
{ D3DFMT_L8, 8 },
{ D3DFMT_X8R8G8B8, 32 },
{ D3DFMT_A8R8G8B8, 32 },
{ D3DFMT_A16B16G16R16, 64 },
{ D3DFMT_A16B16G16R16F, 64 },
{ D3DFMT_R5G6B5, 16 },
{ D3DFMT_A4R4G4B4, 16 },
{ D3DFMT_A1R5G5B5, 16 },
{ D3DFMT_A2B10G10R10, 32 },
{ D3DFMT_UNKNOWN, 0 }, // ETC2
{ D3DFMT_UNKNOWN, 0 }, // ETC2A
{ D3DFMT_UNKNOWN, 0 }, // ETC2A1
{ D3DFMT_UNKNOWN, 0 }, // PTC12
{ D3DFMT_UNKNOWN, 0 }, // PTC14
{ D3DFMT_UNKNOWN, 0 }, // PTC12A
{ D3DFMT_UNKNOWN, 0 }, // PTC14A
{ D3DFMT_UNKNOWN, 0 }, // PTC22
{ D3DFMT_UNKNOWN, 0 }, // PTC24
{ D3DFMT_UNKNOWN, 0 }, // Unknown
{ D3DFMT_L8, 8 }, // L8
{ D3DFMT_X8R8G8B8, 32 }, // BGRX8
{ D3DFMT_A8R8G8B8, 32 }, // BGRA8
{ D3DFMT_A16B16G16R16, 64 }, // RGBA16
{ D3DFMT_A16B16G16R16F, 64 }, // RGBA16F
{ D3DFMT_R5G6B5, 16 }, // R5G6B5
{ D3DFMT_A4R4G4B4, 16 }, // RGBA4
{ D3DFMT_A1R5G5B5, 16 }, // RGB5A1
{ D3DFMT_A2B10G10R10, 32 }, // RGB10A2
};
static ExtendedFormat s_extendedFormats[ExtendedFormat::Count] =

98
src/renderer_gl.cpp
View file

@ -194,24 +194,31 @@ namespace bgfx
static TextureFormatInfo s_textureFormat[TextureFormat::Count] =
{
{ GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_ZERO, false },
{ GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_ZERO, false },
{ GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_ZERO, false },
{ GL_COMPRESSED_LUMINANCE_LATC1_EXT, GL_COMPRESSED_LUMINANCE_LATC1_EXT, GL_ZERO, false },
{ GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT, GL_ZERO, false },
{ GL_ETC1_RGB8_OES, GL_ETC1_RGB8_OES, GL_ZERO, false },
{ GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG, GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG, GL_ZERO, false },
{ GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG, GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG, GL_ZERO, false },
{ GL_ZERO, GL_ZERO, GL_ZERO, true },
{ GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE, true },
{ GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, true },
{ GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, true },
{ GL_RGBA16, GL_RGBA, GL_UNSIGNED_BYTE, true },
{ GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT, true },
{ GL_RGB565, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, true },
{ GL_RGBA4, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, true },
{ GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, true },
{ GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, true },
{ GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, GL_ZERO, false },
{ GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, GL_ZERO, false },
{ GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, GL_ZERO, false },
{ GL_COMPRESSED_LUMINANCE_LATC1_EXT, GL_COMPRESSED_LUMINANCE_LATC1_EXT, GL_ZERO, false },
{ GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT, GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT, GL_ZERO, false },
{ GL_ETC1_RGB8_OES, GL_ETC1_RGB8_OES, GL_ZERO, false },
{ GL_COMPRESSED_RGB8_ETC2, GL_COMPRESSED_RGB8_ETC2, GL_ZERO, false },
{ GL_COMPRESSED_RGBA8_ETC2_EAC, GL_COMPRESSED_RGBA8_ETC2_EAC, GL_ZERO, false },
{ GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2, GL_ZERO, false },
{ GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG, GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG, GL_ZERO, false },
{ GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG, GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG, GL_ZERO, false },
{ GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG, GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG, GL_ZERO, false },
{ GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG, GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG, GL_ZERO, false },
{ GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG, GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG, GL_ZERO, false },
{ GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG, GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG, GL_ZERO, false },
{ GL_ZERO, GL_ZERO, GL_ZERO, true },
{ GL_LUMINANCE, GL_LUMINANCE, GL_UNSIGNED_BYTE, true },
{ GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, true },
{ GL_RGBA, GL_RGBA, GL_UNSIGNED_BYTE, true },
{ GL_RGBA16, GL_RGBA, GL_UNSIGNED_BYTE, true },
{ GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT, true },
{ GL_RGB565, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, true },
{ GL_RGBA4, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, true },
{ GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, true },
{ GL_RGB10_A2, GL_RGBA, GL_UNSIGNED_INT_2_10_10_10_REV, true },
};
struct Extension
@ -223,6 +230,7 @@ namespace bgfx
APPLE_texture_format_BGRA8888,
ARB_debug_output,
ARB_depth_clamp,
ARB_ES3_compatibility,
ARB_framebuffer_sRGB,
ARB_get_program_binary,
ARB_half_float_vertex,
@ -294,6 +302,7 @@ namespace bgfx
{ "GL_APPLE_texture_format_BGRA8888", false, true },
{ "GL_ARB_debug_output", BGFX_CONFIG_RENDERER_OPENGL >= 43, true },
{ "GL_ARB_depth_clamp", BGFX_CONFIG_RENDERER_OPENGL >= 31, true },
{ "GL_ARB_ES3_compatibility", BGFX_CONFIG_RENDERER_OPENGL >= 43, true },
{ "GL_ARB_framebuffer_sRGB", false, true },
{ "GL_ARB_get_program_binary", BGFX_CONFIG_RENDERER_OPENGL >= 41, true },
{ "GL_ARB_half_float_vertex", false, true },
@ -2376,12 +2385,43 @@ namespace bgfx
if (0 < numCmpFormats)
{
static const char* s_textureFormatName[TextureFormat::Unknown+1] =
{
"BC1",
"BC2",
"BC3",
"BC4",
"BC5",
"ETC1",
"ETC2",
"ETC2A",
"ETC2A1",
"PTC12",
"PTC14",
"PTC12A",
"PTC14A",
"PTC22",
"PTC24",
"",
// TextureFormat::Count
};
GLint* formats = (GLint*)alloca(sizeof(GLint)*numCmpFormats);
GL_CHECK(glGetIntegerv(GL_COMPRESSED_TEXTURE_FORMATS, formats) );
for (GLint ii = 0; ii < numCmpFormats; ++ii)
{
BX_TRACE(" %3d: %8x", ii, formats[ii]);
GLint internalFmt = formats[ii];
uint32_t fmt = uint32_t(TextureFormat::Unknown);
for (uint32_t jj = 0; jj < fmt; ++jj)
{
if (s_textureFormat[jj].m_internalFmt == internalFmt)
{
fmt = jj;
}
}
BX_TRACE(" %3d: %8x %s", ii, internalFmt, s_textureFormatName[fmt]);
}
}
@ -2488,10 +2528,22 @@ namespace bgfx
s_textureFormat[TextureFormat::ETC1].m_supported = s_extension[Extension::OES_compressed_ETC1_RGB8_texture].m_supported;
bool pvr1Supported = s_extension[Extension::IMG_texture_compression_pvrtc ].m_supported;
// bool pvr2Supported = s_extension[Extension::IMG_texture_compression_pvrtc2].m_supported;
s_textureFormat[TextureFormat::PTC12].m_supported = pvr1Supported;
s_textureFormat[TextureFormat::PTC14].m_supported = pvr1Supported;
bool etc2Supported = !!BGFX_CONFIG_RENDERER_OPENGLES3
|| s_extension[Extension::ARB_ES3_compatibility].m_supported
;
s_textureFormat[TextureFormat::ETC2 ].m_supported = etc2Supported;
s_textureFormat[TextureFormat::ETC2A ].m_supported = etc2Supported;
s_textureFormat[TextureFormat::ETC2A1].m_supported = etc2Supported;
bool ptc1Supported = s_extension[Extension::IMG_texture_compression_pvrtc ].m_supported;
s_textureFormat[TextureFormat::PTC12].m_supported = ptc1Supported;
s_textureFormat[TextureFormat::PTC14].m_supported = ptc1Supported;
s_textureFormat[TextureFormat::PTC12A].m_supported = ptc1Supported;
s_textureFormat[TextureFormat::PTC14A].m_supported = ptc1Supported;
bool ptc2Supported = s_extension[Extension::IMG_texture_compression_pvrtc2].m_supported;
s_textureFormat[TextureFormat::PTC22].m_supported = ptc2Supported;
s_textureFormat[TextureFormat::PTC24].m_supported = ptc2Supported;
s_renderCtx.m_vaoSupport = !!BGFX_CONFIG_RENDERER_OPENGLES3
|| s_extension[Extension::ARB_vertex_array_object].m_supported

20
src/renderer_gl.h
View file

@ -175,6 +175,18 @@ typedef void (*PFNGLGETTRANSLATEDSHADERSOURCEANGLEPROC)(GLuint shader, GLsizei b
# define GL_ETC1_RGB8_OES 0x8D64
# endif // GL_ETC1_RGB8_OES
# ifndef GL_COMPRESSED_RGB8_ETC2
# define GL_COMPRESSED_RGB8_ETC2 0x9274
# endif // GL_COMPRESSED_RGB8_ETC2
# ifndef GL_COMPRESSED_RGBA8_ETC2_EAC
# define GL_COMPRESSED_RGBA8_ETC2_EAC 0x9278
# endif // GL_COMPRESSED_RGBA8_ETC2_EAC
# ifndef GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
# define GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 0x9276
# endif // GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2
# ifndef GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG
# define GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG 0x8C01
# endif // GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG
@ -191,6 +203,14 @@ typedef void (*PFNGLGETTRANSLATEDSHADERSOURCEANGLEPROC)(GLuint shader, GLsizei b
# define GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG 0x8C02
# endif // GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG
# ifndef GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG
# define GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG 0x9137
# endif // GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG
# ifndef GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG
# define GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG 0x9138
# endif // GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG
# ifndef GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE
# define GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE 0x93A0
# endif // GL_TRANSLATED_SHADER_SOURCE_LENGTH_ANGLE