FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

From Per Fahlberg, "I have added support for PowerVR texture compression. osg::Texture and osg::Image have been modified to support the texture formats and I have added a plugin to load pvr files. All modified files are in the attached zip. "

Browse Source
This commit is contained in:
Robert Osfield
2010-11-04 11:02:37 +00:00
parent 4ced7dffc4
commit d2a9f48054
6 changed files with 318 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/osg/Image.cpp
View File

@@ -307,6 +307,10 @@ unsigned int Image::computeNumComponents(GLenum pixelFormat)
case(GL_COMPRESSED_RED_RGTC1_EXT): return 1;
case(GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT): return 2;
case(GL_COMPRESSED_RED_GREEN_RGTC2_EXT): return 2;
case(GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG): return 3;
case(GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG): return 3;
case(GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG): return 4;
case(GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG): return 4;
case(GL_COLOR_INDEX): return 1;
case(GL_STENCIL_INDEX): return 1;
case(GL_DEPTH_COMPONENT): return 1;
@@ -417,6 +421,11 @@ unsigned int Image::computePixelSizeInBits(GLenum format,GLenum type)
case(GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT): return 8;
case(GL_COMPRESSED_RED_GREEN_RGTC2_EXT): return 8;
case(GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG): return 4;
case(GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG): return 2;
case(GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG): return 4;
case(GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG): return 2;
default: break;
}
@@ -551,6 +560,10 @@ bool Image::isCompressed() const
case(GL_COMPRESSED_RED_RGTC1_EXT):
case(GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT):
case(GL_COMPRESSED_RED_GREEN_RGTC2_EXT):
case(GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG):
case(GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG):
case(GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG):
case(GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG):
return true;
default:
return false;