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Allow BC6 and BC7 compressed DDS files to be loaded into Images.

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This commit is contained in:
Alex Szpakowski
2014-11-05 21:11:22 -04:00
parent 195d41d1d9
commit 22bbe74ed9
7 changed files with 47 additions and 19 deletions
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src/modules/graphics/opengl/Image.cpp
+17 -3
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@@ -623,6 +623,17 @@ GLenum Image::getCompressedFormat(image::CompressedData::Format cformat) const
return GL_COMPRESSED_RG_RGTC2;
case image::CompressedData::FORMAT_BC5s:
return GL_COMPRESSED_SIGNED_RG_RGTC2;
case image::CompressedData::FORMAT_BC6H:
return GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_ARB;
case image::CompressedData::FORMAT_BC6Hs:
return GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT_ARB;
case image::CompressedData::FORMAT_BC7:
if (srgb)
return GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB;
else
return GL_COMPRESSED_RGBA_BPTC_UNORM_ARB;
case image::CompressedData::FORMAT_BC7SRGB:
return GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM_ARB;
default:
if (srgb)
return GL_SRGB8_ALPHA8;
@@ -672,11 +683,14 @@ bool Image::hasCompressedTextureSupport(image::CompressedData::Format format)
case image::CompressedData::FORMAT_BC5:
case image::CompressedData::FORMAT_BC5s:
return (GLEE_VERSION_3_0 || GLEE_ARB_texture_compression_rgtc || GLEE_EXT_texture_compression_rgtc);
case image::CompressedData::FORMAT_BC6H:
case image::CompressedData::FORMAT_BC6Hs:
case image::CompressedData::FORMAT_BC7:
case image::CompressedData::FORMAT_BC7SRGB:
return GLEE_VERSION_4_2 || GLEE_ARB_texture_compression_bptc;
default:
break;
return false;
}
return false;
}
bool Image::hasSRGBSupport()