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Diffstat (limited to 'src/opengl/gl2paintengineex/glgc_shader_source.h')
-rw-r--r-- | src/opengl/gl2paintengineex/glgc_shader_source.h | 289 |
1 files changed, 0 insertions, 289 deletions
diff --git a/src/opengl/gl2paintengineex/glgc_shader_source.h b/src/opengl/gl2paintengineex/glgc_shader_source.h deleted file mode 100644 index 5b9d28b..0000000 --- a/src/opengl/gl2paintengineex/glgc_shader_source.h +++ /dev/null @@ -1,289 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Qt Software Information (qt-info@nokia.com) -** -** This file is part of the QtOpenGL module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** 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 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at qt-sales@nokia.com. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef GLGC_SHADER_SOURCE_H -#define GLGC_SHADER_SOURCE_H - -QT_BEGIN_HEADER - -QT_BEGIN_NAMESPACE - -QT_MODULE(OpenGL) - -static const char* qglslImageVertexShader = "\ - attribute highp vec4 inputVertex; \ - attribute lowp vec2 textureCoord; \ - uniform highp mat4 pmvMatrix; \ - varying lowp vec2 fragTextureCoord; \ - void main(void) \ - {\ - gl_Position = pmvMatrix * inputVertex;\ - fragTextureCoord = textureCoord; \ - }"; - -static const char* qglslImageFragmentShader = "\ - varying lowp vec2 fragTextureCoord;\ - uniform sampler2D textureSampler;\ - uniform lowp float opacity; \ - void main(void) \ - {\ - gl_FragColor = texture2D(textureSampler, fragTextureCoord) * opacity; \ - }"; - -static const char* qglslTextFragmentShader = "\ - varying lowp vec2 fragTextureCoord;\ - uniform mediump vec4 fragmentColor;\ - uniform sampler2D textureSampler;\ - void main(void) \ - {\ - highp vec4 tex = texture2D(textureSampler, fragTextureCoord); \ - tex = fragmentColor * tex.r; \ - gl_FragColor = tex; \ - }"; - -static const char* qglslDefaultVertexShader = "\ - attribute highp vec4 inputVertex;\ - uniform highp mat4 pmvMatrix;\ - void main(void)\ - {\ - gl_Position = pmvMatrix * inputVertex;\ - }"; - -static const char* qglslSimpleFragmentShader = "\ - void main (void)\ - {\ - gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);\ - }"; - - -/**** FRAGMENT SHADER MAIN FUNCTIONS ****/ -// NOTE: Currently, the engine assumes brushes return colors already in pre-multiplied -// format. However, this may change if we add support for non-premultiplied - -static const char* qglslNoOpacityFragmentShaderMain = "\n\ - mediump vec4 brush();\ - void main (void)\ - {\ - gl_FragColor = brush();\ - }\n"; - -static const char* qglslFragmentShaderMain = "\n\ - mediump vec4 brush();\ - uniform lowp float opacity; \ - void main (void)\ - {\ - gl_FragColor = brush() * opacity;\ - }\n"; - - - -/**** BRUSH SHADERS ****/ - -// This should never actually be used -static const char* qglslNoBrushFragmentShader = "\n\ - mediump vec4 brush() { \ - discard; \ - return vec4(1.0, 0.8, 0.8, 1.0);\ - }\n"; - -// Solid Fill Brush -static const char* qglslSolidBrushFragmentShader = "\n\ - uniform mediump vec4 fragmentColor; \ - mediump vec4 brush() { \ - return fragmentColor;\ - }\n"; - -// Texture Brush -static const char* qglslTextureBrushVertexShader = "\ - attribute highp vec4 inputVertex; \ - uniform highp mat4 pmvMatrix; \ - uniform mediump vec2 halfViewportSize; \ - uniform mediump vec2 invertedTextureSize; \ - uniform mediump mat3 brushTransform; \ - varying mediump vec2 texCoords; \ - void main(void) { \ - gl_Position = pmvMatrix * inputVertex;\ - gl_Position.xy = gl_Position.xy / gl_Position.w; \ - mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \ - mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \ - mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \ - gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \ - gl_Position.w = invertedHTexCoordsZ; \ - texCoords.xy = (hTexCoords.xy * invertedTextureSize) * gl_Position.w; \ - texCoords.y = -texCoords.y; \ - }"; - -static const char* qglslTextureBrushFragmentShader = "\n\ - varying mediump vec2 texCoords;\ - uniform sampler2D brushTexture;\ - mediump vec4 brush() { \ - return texture2D(brushTexture, texCoords); \ - }\n"; - - -// Pattern Brush - This assumes the texture size is 8x8 and thus, the inverted size is 0.125 -static const char* qglslPatternBrushVertexShader = "\ - attribute highp vec4 inputVertex; \ - uniform highp mat4 pmvMatrix; \ - uniform mediump vec2 halfViewportSize; \ - uniform mediump vec2 invertedTextureSize; \ - uniform mediump mat3 brushTransform; \ - varying mediump vec2 texCoords; \ - void main(void) { \ - gl_Position = pmvMatrix * inputVertex;\ - gl_Position.xy = gl_Position.xy / gl_Position.w; \ - mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \ - mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \ - mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \ - gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \ - gl_Position.w = invertedHTexCoordsZ; \ - texCoords.xy = (hTexCoords.xy * 0.125) * invertedHTexCoordsZ; \ - texCoords.y = -texCoords.y; \ - }"; - -static const char* qglslPatternBrushFragmentShader = "\n\ - uniform sampler2D brushTexture;\ - uniform lowp vec4 patternColor; \ - varying mediump vec2 texCoords;\ - mediump vec4 brush() { \ - return patternColor * texture2D(brushTexture, texCoords).r; \ - }\n"; - - -// Linear Gradient Brush -static const char* qglslLinearGradientBrushVertexShader = "\ - attribute highp vec4 inputVertex; \ - uniform highp mat4 pmvMatrix; \ - uniform mediump vec2 halfViewportSize; \ - uniform highp vec3 linearData; \ - uniform mediump mat3 brushTransform; \ - varying mediump float index ; \ - void main() { \ - gl_Position = pmvMatrix * inputVertex;\ - gl_Position.xy = gl_Position.xy / gl_Position.w; \ - mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \ - mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \ - mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \ - gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \ - gl_Position.w = invertedHTexCoordsZ; \ - index = (dot(linearData.xy, hTexCoords.xy) * linearData.z) * invertedHTexCoordsZ; \ - }"; - -static const char* qglslLinearGradientBrushFragmentShader = "\n\ - uniform sampler2D brushTexture; \ - varying mediump float index; \ - mediump vec4 brush() { \ - mediump vec2 val = vec2(index, 0.5); \ - return texture2D(brushTexture, val); \ - }\n"; - - -static const char* qglslRadialGradientBrushVertexShader = "\ - attribute highp vec4 inputVertex;\ - uniform highp mat4 pmvMatrix;\ - uniform mediump vec2 halfViewportSize; \ - uniform highp mat3 brushTransform; \ - uniform highp vec2 fmp; \ - varying highp float b; \ - varying highp vec2 A; \ - void main(void) \ - {\ - gl_Position = pmvMatrix * inputVertex;\ - gl_Position.xy = gl_Position.xy / gl_Position.w; \ - mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \ - mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \ - mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \ - gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \ - gl_Position.w = invertedHTexCoordsZ; \ - A = hTexCoords.xy * invertedHTexCoordsZ; \ - b = 2.0 * fmp * (A.x + A.y); \ -\ - }"; - -static const char* qglslRadialGradientBrushFragmentShader = "\n\ - uniform sampler2D brushTexture; \ - uniform highp float fmp2_m_radius2; \ - uniform highp float inverse_2_fmp2_m_radius2; \ - varying highp float b; \ - varying highp vec2 A; \ -\ - mediump vec4 brush() { \ - highp float c = -dot(A, A); \ - highp vec2 val = vec2((-b + sqrt(b*b - 4.0*fmp2_m_radius2*c)) * inverse_2_fmp2_m_radius2, 0.5); \ - return texture2D(brushTexture, val); \ - }\n"; - -static const char* qglslConicalGradientBrushVertexShader = "\ - attribute highp vec4 inputVertex;\ - uniform highp mat4 pmvMatrix;\ - uniform mediump vec2 halfViewportSize; \ - uniform highp mat3 brushTransform; \ - varying highp vec2 A; \ - void main(void)\ - {\ - gl_Position = pmvMatrix * inputVertex;\ - gl_Position.xy = gl_Position.xy / gl_Position.w; \ - mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \ - mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \ - mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \ - gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \ - gl_Position.w = invertedHTexCoordsZ; \ - A = hTexCoords.xy * invertedHTexCoordsZ; \ - }"; - -static const char* qglslConicalGradientBrushFragmentShader = "\n\ - #define INVERSE_2PI 0.1591549430918953358 \n\ - uniform sampler2D brushTexture; \ - uniform mediump float angle; \ - varying highp vec2 A; \ - mediump vec4 brush() { \ - if (abs(A.y) == abs(A.x)) \ - A.y += 0.002; \ - highp float t = (atan2(-A.y, A.x) + angle) * INVERSE_2PI; \ - return texture2D(brushTexture, vec2(t - floor(t), 0.5)); \ - }\n"; - - -QT_END_NAMESPACE - -QT_END_HEADER - -#endif // GLGC_SHADER_SOURCE_H |