Add support for BC4-7 compressed texture formats in KTX files. Updated the changelog.

This commit is contained in:
Alex Szpakowski
2016-10-29 23:42:40 -03:00
parent 43fcacc653
commit 5ba449d1ff
2 changed files with 58 additions and 5 deletions
+2
View File
@@ -9,6 +9,8 @@ Released: N/A
* Added love.window.isMaximized.
* Added 'shaderswitches' field to the table returned by love.graphics.getStats.
* Added Quad:getTextureDimensions.
* Added 'ellipse' area distribution to ParticleSystems.
* Added support for BC4-7 compressed texture formats in KTX files.
* Added PrismaticJoint:getAxis and WheelJoint:getAxis.
* Added 2-point version of love.physics.newRevoluteJoint.
* Added table variants of Fixture:setCategory and Fixture:setMask.
+56 -5
View File
@@ -67,6 +67,7 @@ enum KTXGLInternalFormat
{
KTX_GL_ETC1_RGB8_OES = 0x8D64,
// ETC2 and EAC.
KTX_GL_COMPRESSED_R11_EAC = 0x9270,
KTX_GL_COMPRESSED_SIGNED_R11_EAC = 0x9271,
KTX_GL_COMPRESSED_RG11_EAC = 0x9272,
@@ -78,17 +79,33 @@ enum KTXGLInternalFormat
KTX_GL_COMPRESSED_RGBA8_ETC2_EAC = 0x9278,
KTX_GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC = 0x9279,
// I don't know if any KTX file contains PVR data, but why not support it.
// PVRTC1.
KTX_GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG = 0x8C00,
KTX_GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG = 0x8C01,
KTX_GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG = 0x8C02,
KTX_GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG = 0x8C03,
// Same with DXT1/3/5.
KTX_GL_COMPRESSED_RGB_S3TC_DXT1_EXT = 0x83F0,
KTX_GL_COMPRESSED_RGBA_S3TC_DXT3_EXT = 0x83F2,
KTX_GL_COMPRESSED_RGBA_S3TC_DXT5_EXT = 0x83F3,
// DXT1, DXT3, and DXT5.
KTX_GL_COMPRESSED_RGB_S3TC_DXT1_EXT = 0x83F0,
KTX_GL_COMPRESSED_RGBA_S3TC_DXT3_EXT = 0x83F2,
KTX_GL_COMPRESSED_RGBA_S3TC_DXT5_EXT = 0x83F3,
KTX_GL_COMPRESSED_SRGB_S3TC_DXT1_EXT = 0x8C4C,
KTX_GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT = 0x8C4E,
KTX_GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT = 0x8C4F,
// BC4 and BC5.
KTX_GL_COMPRESSED_RED_RGTC1 = 0x8DBB,
KTX_GL_COMPRESSED_SIGNED_RED_RGTC1 = 0x8DBC,
KTX_GL_COMPRESSED_RG_RGTC2 = 0x8DBD,
KTX_GL_COMPRESSED_SIGNED_RG_RGTC2 = 0x8DBE,
// BC6 and BC7.
KTX_GL_COMPRESSED_RGBA_BPTC_UNORM = 0x8E8C,
KTX_GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM = 0x8E8D,
KTX_GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT = 0x8E8E,
KTX_GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT = 0x8E8F,
// ASTC.
KTX_GL_COMPRESSED_RGBA_ASTC_4x4_KHR = 0x93B0,
KTX_GL_COMPRESSED_RGBA_ASTC_5x4_KHR = 0x93B1,
KTX_GL_COMPRESSED_RGBA_ASTC_5x5_KHR = 0x93B2,
@@ -129,6 +146,8 @@ CompressedImageData::Format convertFormat(uint32 glformat, bool &sRGB)
{
case KTX_GL_ETC1_RGB8_OES:
return CompressedImageData::FORMAT_ETC1;
// EAC and ETC2.
case KTX_GL_COMPRESSED_R11_EAC:
return CompressedImageData::FORMAT_EAC_R;
case KTX_GL_COMPRESSED_SIGNED_R11_EAC:
@@ -152,6 +171,8 @@ CompressedImageData::Format convertFormat(uint32 glformat, bool &sRGB)
case KTX_GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
sRGB = true;
return CompressedImageData::FORMAT_ETC2_RGBA;
// PVRTC.
case KTX_GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG:
return CompressedImageData::FORMAT_PVR1_RGB4;
case KTX_GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG:
@@ -160,12 +181,42 @@ CompressedImageData::Format convertFormat(uint32 glformat, bool &sRGB)
return CompressedImageData::FORMAT_PVR1_RGBA4;
case KTX_GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG:
return CompressedImageData::FORMAT_PVR1_RGBA2;
// DXT.
case KTX_GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
sRGB = true;
case KTX_GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
return CompressedImageData::FORMAT_DXT1;
case KTX_GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
sRGB = true;
case KTX_GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
return CompressedImageData::FORMAT_DXT3;
case KTX_GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
sRGB = true;
case KTX_GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
return CompressedImageData::FORMAT_DXT5;
// BC4 and BC5.
case KTX_GL_COMPRESSED_RED_RGTC1:
return CompressedImageData::FORMAT_BC4;
case KTX_GL_COMPRESSED_SIGNED_RED_RGTC1:
return CompressedImageData::FORMAT_BC4s;
case KTX_GL_COMPRESSED_RG_RGTC2:
return CompressedImageData::FORMAT_BC5;
case KTX_GL_COMPRESSED_SIGNED_RG_RGTC2:
return CompressedImageData::FORMAT_BC5s;
// BC6 and BC7.
case KTX_GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM:
sRGB = true;
case KTX_GL_COMPRESSED_RGBA_BPTC_UNORM:
return CompressedImageData::FORMAT_BC7;
case KTX_GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT:
return CompressedImageData::FORMAT_BC6Hs;
case KTX_GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT:
return CompressedImageData::FORMAT_BC6H;
// ASTC.
case KTX_GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
sRGB = true;
case KTX_GL_COMPRESSED_RGBA_ASTC_4x4_KHR: