diff options
Diffstat (limited to 'src/opengl/gl2paintengineex/qglengineshadersource_p.h')
| -rw-r--r-- | src/opengl/gl2paintengineex/qglengineshadersource_p.h | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/src/opengl/gl2paintengineex/qglengineshadersource_p.h b/src/opengl/gl2paintengineex/qglengineshadersource_p.h index 6a928c4..6bcf010 100644 --- a/src/opengl/gl2paintengineex/qglengineshadersource_p.h +++ b/src/opengl/gl2paintengineex/qglengineshadersource_p.h @@ -1,6 +1,7 @@ /**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the QtOpenGL module of the Qt Toolkit. @@ -20,10 +21,9 @@ ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** -** In addition, as a special exception, Nokia gives you certain -** additional rights. These rights are described in the Nokia Qt LGPL -** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this -** package. +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. @@ -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; \ |