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0026672: Visualization, TKOpenGl - workaround mobile hardware with extremely low precision of mod() in GLSL

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kgv 2015-09-09 14:24:21 +03:00 committed by bugmaster
parent 464cd2fb16
commit 6e66a3fa15
1 changed files with 4 additions and 4 deletions
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8
src/OpenGl/OpenGl_ShaderManager.cxx
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@ -1684,7 +1684,7 @@ Standard_Boolean OpenGl_ShaderManager::prepareStdProgramStereo (Handle(OpenGl_Sh
EOL"{" EOL"{"
EOL" vec4 aColorL = occTexture2D (uLeftSampler, TexCoord);" EOL" vec4 aColorL = occTexture2D (uLeftSampler, TexCoord);"
EOL" vec4 aColorR = occTexture2D (uRightSampler, TexCoord);" EOL" vec4 aColorR = occTexture2D (uRightSampler, TexCoord);"
EOL" if (int (mod (gl_FragCoord.y + 1.5, 2.0)) == 1)" EOL" if (int (mod (gl_FragCoord.y - 1023.5, 2.0)) != 1)"
EOL" {" EOL" {"
EOL" occFragColor = aColorL;" EOL" occFragColor = aColorL;"
EOL" }" EOL" }"
@ -1707,7 +1707,7 @@ Standard_Boolean OpenGl_ShaderManager::prepareStdProgramStereo (Handle(OpenGl_Sh
EOL"{" EOL"{"
EOL" vec4 aColorL = occTexture2D (uLeftSampler, TexCoord);" EOL" vec4 aColorL = occTexture2D (uLeftSampler, TexCoord);"
EOL" vec4 aColorR = occTexture2D (uRightSampler, TexCoord);" EOL" vec4 aColorR = occTexture2D (uRightSampler, TexCoord);"
EOL" if (int (mod (gl_FragCoord.x + 1.5, 2.0)) != 1)" EOL" if (int (mod (gl_FragCoord.x - 1023.5, 2.0)) == 1)"
EOL" {" EOL" {"
EOL" occFragColor = aColorL;" EOL" occFragColor = aColorL;"
EOL" }" EOL" }"
@ -1730,8 +1730,8 @@ Standard_Boolean OpenGl_ShaderManager::prepareStdProgramStereo (Handle(OpenGl_Sh
EOL"{" EOL"{"
EOL" vec4 aColorL = occTexture2D (uLeftSampler, TexCoord);" EOL" vec4 aColorL = occTexture2D (uLeftSampler, TexCoord);"
EOL" vec4 aColorR = occTexture2D (uRightSampler, TexCoord);" EOL" vec4 aColorR = occTexture2D (uRightSampler, TexCoord);"
EOL" bool isEvenX = int(mod(floor(gl_FragCoord.x + 1.5), 2.0)) == 1;" EOL" bool isEvenX = int(mod(floor(gl_FragCoord.x - 1023.5), 2.0)) != 1;"
EOL" bool isEvenY = int(mod(floor(gl_FragCoord.y + 1.5), 2.0)) != 1;" EOL" bool isEvenY = int(mod(floor(gl_FragCoord.y - 1023.5), 2.0)) == 1;"
EOL" if ((isEvenX && isEvenY) || (!isEvenX && !isEvenY))" EOL" if ((isEvenX && isEvenY) || (!isEvenX && !isEvenY))"
EOL" {" EOL" {"
EOL" occFragColor = aColorL;" EOL" occFragColor = aColorL;"