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| author | Gunnar Sletta <gunnar@trolltech.com> | 2009-09-14 10:16:55 (GMT) |
|---|---|---|
| committer | Gunnar Sletta <gunnar@trolltech.com> | 2009-09-14 10:16:55 (GMT) |
| commit | 21ca998de2d74c521ca060283946f25e369aad89 (patch) | |
| tree | d85db6f5db161d4eafbd8c5a31df926b24e36e7a /src/opengl | |
| parent | ab10c5b4be5c0d06edd79d8b4a8da090c1511d7e (diff) | |
| parent | 9d075f383597f727b0c5c1e6bdbb9646e35c0fa0 (diff) | |
| download | Qt-21ca998de2d74c521ca060283946f25e369aad89.zip Qt-21ca998de2d74c521ca060283946f25e369aad89.tar.gz Qt-21ca998de2d74c521ca060283946f25e369aad89.tar.bz2 | |
Merge branch '4.6' of git@scm.dev.nokia.troll.no:qt/qt into 4.6
Diffstat (limited to 'src/opengl')
| -rw-r--r-- | src/opengl/gl2paintengineex/qglengineshadersource_p.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/opengl/gl2paintengineex/qglengineshadersource_p.h b/src/opengl/gl2paintengineex/qglengineshadersource_p.h index acd4461..6bcf010 100644 --- a/src/opengl/gl2paintengineex/qglengineshadersource_p.h +++ b/src/opengl/gl2paintengineex/qglengineshadersource_p.h @@ -260,12 +260,24 @@ static const char* const qglslPositionWithTextureBrushVertexShader = "\ static const char* const qglslAffinePositionWithTextureBrushVertexShader = qglslPositionWithTextureBrushVertexShader; +#if defined(QT_OPENGL_ES_2) +// OpenGL ES does not support GL_REPEAT wrap modes for NPOT textures. So instead, +// we emulate GL_REPEAT by only taking the fractional part of the texture coords. +// TODO: Special case POT textures which don't need this emulation +static const char* const qglslTextureBrushSrcFragmentShader = "\ + varying highp vec2 brushTextureCoords; \ + uniform lowp sampler2D brushTexture; \ + lowp vec4 srcPixel() { \ + return texture2D(brushTexture, fract(brushTextureCoords)); \ + }"; +#else static const char* const qglslTextureBrushSrcFragmentShader = "\ varying highp vec2 brushTextureCoords; \ uniform lowp sampler2D brushTexture; \ lowp vec4 srcPixel() { \ return texture2D(brushTexture, brushTextureCoords); \ }"; +#endif static const char* const qglslTextureBrushSrcWithPatternFragmentShader = "\ varying highp vec2 brushTextureCoords; \ |