Commit graph

6 commits

Author SHA1 Message Date
Fredrik Höglund
253647ec1e Sanity check the shader limitations to protect against implementations
returning bogus values.

FIXED-IN: 4.5
BUG: 241449

svn path=/trunk/KDE/kdebase/workspace/; revision=1137677
2010-06-14 00:18:04 +00:00
Fredrik Höglund
69ab6ec3b7 Use GL_CONSTANT_ALPHA instead of reducing the opacity in the fragment shader.
This makes the blending work correctly when the alpha bits are zero,
which is apparently the case with NVidia.

svn path=/trunk/KDE/kdebase/workspace/; revision=1102471
2010-03-12 16:10:57 +00:00
Fredrik Höglund
c82351488e Make sure that both the render target and the shader are valid
before using them.

svn path=/trunk/KDE/kdebase/workspace/; revision=1102465
2010-03-12 15:56:19 +00:00
Fredrik Höglund
67e0e91168 Check some HW limits and make sure we don't exceed them.
svn path=/trunk/KDE/kdebase/workspace/; revision=1101724
2010-03-10 18:16:18 +00:00
Fredrik Höglund
3de8c53f21 Refactor the blur shader code a bit, and add a GLSL version.
svn path=/trunk/KDE/kdebase/workspace/; revision=1100848
2010-03-08 20:45:58 +00:00
Fredrik Höglund
53391ba944 Initial commit of the blur effect rewrite.
svn path=/trunk/KDE/kdebase/workspace/; revision=1099619
2010-03-05 20:42:10 +00:00