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From Lukasz Izdebski, "Texture: added support for GL_EXT_texture_compression_rgtc, I added support (read and write ) for BC4 BC5 Block Compression to dds file format."

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This commit is contained in:
Robert Osfield
2010-08-16 14:11:49 +00:00
parent fe6d590fc5
commit a171c88cf1
4 changed files with 140 additions and 3 deletions
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15
include/osg/Texture
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@@ -57,6 +57,13 @@
#define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
#endif
#ifndef GL_EXT_texture_compression_rgtc
#define GL_COMPRESSED_RED_RGTC1_EXT 0x8DBB
#define GL_COMPRESSED_SIGNED_RED_RGTC1_EXT 0x8DBC
#define GL_COMPRESSED_RED_GREEN_RGTC2_EXT 0x8DBD
#define GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT 0x8DBE
#endif
#ifndef GL_ARB_INTERNAL_TEXTURE_FORMAT
#define GL_RGBA32F_ARB 0x8814
#define GL_RGB32F_ARB 0x8815
@@ -435,7 +442,9 @@ class OSG_EXPORT Texture : public osg::StateAttribute
USE_ARB_COMPRESSION,
USE_S3TC_DXT1_COMPRESSION,
USE_S3TC_DXT3_COMPRESSION,
USE_S3TC_DXT5_COMPRESSION
USE_S3TC_DXT5_COMPRESSION,
USE_RGTC1_COMPRESSION,
USE_RGTC2_COMPRESSION
};
/** Sets the internal texture format mode. Note: If the texture format is
@@ -630,6 +639,9 @@ class OSG_EXPORT Texture : public osg::StateAttribute
void setTextureCompressionS3TCSupported(bool flag) { _isTextureCompressionS3TCSupported=flag; }
bool isTextureCompressionS3TCSupported() const { return _isTextureCompressionS3TCSupported; }
void setTextureCompressionRGTCSupported(bool flag) { _isTextureCompressionRGTCSupported=flag; }
bool isTextureCompressionRGTCSupported() const { return _isTextureCompressionRGTCSupported; }
void setTextureMirroredRepeatSupported(bool flag) { _isTextureMirroredRepeatSupported=flag; }
bool isTextureMirroredRepeatSupported() const { return _isTextureMirroredRepeatSupported; }
@@ -728,6 +740,7 @@ class OSG_EXPORT Texture : public osg::StateAttribute
bool _isTextureFilterAnisotropicSupported;
bool _isTextureCompressionARBSupported;
bool _isTextureCompressionS3TCSupported;
bool _isTextureCompressionRGTCSupported;
bool _isTextureMirroredRepeatSupported;
bool _isTextureEdgeClampSupported;
bool _isTextureBorderClampSupported;