diff options
Diffstat (limited to 'src/opengl')
| -rw-r--r-- | src/opengl/gl2paintengineex/qglengineshadersource_p.h | 690 |
1 files changed, 357 insertions, 333 deletions
diff --git a/src/opengl/gl2paintengineex/qglengineshadersource_p.h b/src/opengl/gl2paintengineex/qglengineshadersource_p.h index b471b81..ee04166 100644 --- a/src/opengl/gl2paintengineex/qglengineshadersource_p.h +++ b/src/opengl/gl2paintengineex/qglengineshadersource_p.h @@ -63,222 +63,229 @@ QT_BEGIN_NAMESPACE QT_MODULE(OpenGL) -static const char* const qglslMainVertexShader = "\ - void setPosition();\ - void main(void)\ - {\ - setPosition();\ - }"; - -static const char* const qglslMainWithTexCoordsVertexShader = "\ - attribute highp vec2 textureCoordArray; \ - varying highp vec2 textureCoords; \ - void setPosition();\ - void main(void) \ - {\ - setPosition();\ - textureCoords = textureCoordArray; \ - }"; - -static const char* const qglslMainWithTexCoordsAndOpacityVertexShader = "\ - attribute highp vec2 textureCoordArray; \ - attribute lowp float opacityArray; \ - varying highp vec2 textureCoords; \ - varying lowp float opacity; \ - void setPosition(); \ - void main(void) \ - { \ - setPosition(); \ - textureCoords = textureCoordArray; \ - opacity = opacityArray; \ - }"; +static const char* const qglslMainVertexShader = "\n\ + void setPosition(); \n\ + void main(void) \n\ + { \n\ + setPosition(); \n\ + }\n"; + +static const char* const qglslMainWithTexCoordsVertexShader = "\n\ + attribute highp vec2 textureCoordArray; \n\ + varying highp vec2 textureCoords; \n\ + void setPosition(); \n\ + void main(void) \n\ + { \n\ + setPosition(); \n\ + textureCoords = textureCoordArray; \n\ + }\n"; + +static const char* const qglslMainWithTexCoordsAndOpacityVertexShader = "\n\ + attribute highp vec2 textureCoordArray; \n\ + attribute lowp float opacityArray; \n\ + varying highp vec2 textureCoords; \n\ + varying lowp float opacity; \n\ + void setPosition(); \n\ + void main(void) \n\ + { \n\ + setPosition(); \n\ + textureCoords = textureCoordArray; \n\ + opacity = opacityArray; \n\ + }\n"; // NOTE: We let GL do the perspective correction so texture lookups in the fragment // shader are also perspective corrected. -static const char* const qglslPositionOnlyVertexShader = "\ - attribute highp vec2 vertexCoordsArray;\ - attribute highp vec3 pmvMatrix1; \ - attribute highp vec3 pmvMatrix2; \ - attribute highp vec3 pmvMatrix3; \ - void setPosition(void)\ - {\ - highp mat3 pmvMatrix = mat3(pmvMatrix1, pmvMatrix2, pmvMatrix3); \ - vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \ - gl_Position = vec4(transformedPos.xy, 0.0, transformedPos.z); \ - }"; - -static const char* const qglslUntransformedPositionVertexShader = "\ - attribute highp vec4 vertexCoordsArray;\ - void setPosition(void)\ - {\ - gl_Position = vertexCoordsArray;\ - }"; +static const char* const qglslPositionOnlyVertexShader = "\n\ + attribute highp vec2 vertexCoordsArray; \n\ + attribute highp vec3 pmvMatrix1; \n\ + attribute highp vec3 pmvMatrix2; \n\ + attribute highp vec3 pmvMatrix3; \n\ + void setPosition(void) \n\ + { \n\ + highp mat3 pmvMatrix = mat3(pmvMatrix1, pmvMatrix2, pmvMatrix3); \n\ + vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \n\ + gl_Position = vec4(transformedPos.xy, 0.0, transformedPos.z); \n\ + }\n"; + +static const char* const qglslUntransformedPositionVertexShader = "\n\ + attribute highp vec4 vertexCoordsArray; \n\ + void setPosition(void) \n\ + { \n\ + gl_Position = vertexCoordsArray; \n\ + }\n"; // Pattern Brush - This assumes the texture size is 8x8 and thus, the inverted size is 0.125 -static const char* const qglslPositionWithPatternBrushVertexShader = "\ - attribute highp vec2 vertexCoordsArray; \ - attribute highp vec3 pmvMatrix1; \ - attribute highp vec3 pmvMatrix2; \ - attribute highp vec3 pmvMatrix3; \ - uniform mediump vec2 halfViewportSize; \ - uniform highp vec2 invertedTextureSize; \ - uniform highp mat3 brushTransform; \ - varying highp vec2 patternTexCoords; \ - void setPosition(void) { \ - highp mat3 pmvMatrix = mat3(pmvMatrix1, pmvMatrix2, pmvMatrix3); \ - vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \ - gl_Position.xy = transformedPos.xy / transformedPos.z; \ - mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \ - mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1.0); \ - mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \ - gl_Position = vec4(gl_Position.xy * invertedHTexCoordsZ, 0.0, invertedHTexCoordsZ); \ - patternTexCoords.xy = (hTexCoords.xy * 0.125) * invertedHTexCoordsZ; \ - }"; +static const char* const qglslPositionWithPatternBrushVertexShader = "\n\ + attribute highp vec2 vertexCoordsArray; \n\ + attribute highp vec3 pmvMatrix1; \n\ + attribute highp vec3 pmvMatrix2; \n\ + attribute highp vec3 pmvMatrix3; \n\ + uniform mediump vec2 halfViewportSize; \n\ + uniform highp vec2 invertedTextureSize; \n\ + uniform highp mat3 brushTransform; \n\ + varying highp vec2 patternTexCoords; \n\ + void setPosition(void) \n\ + { \n\ + highp mat3 pmvMatrix = mat3(pmvMatrix1, pmvMatrix2, pmvMatrix3); \n\ + vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \n\ + gl_Position.xy = transformedPos.xy / transformedPos.z; \n\ + mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \n\ + mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1.0); \n\ + mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \n\ + gl_Position = vec4(gl_Position.xy * invertedHTexCoordsZ, 0.0, invertedHTexCoordsZ); \n\ + patternTexCoords.xy = (hTexCoords.xy * 0.125) * invertedHTexCoordsZ; \n\ + }\n"; static const char* const qglslAffinePositionWithPatternBrushVertexShader = qglslPositionWithPatternBrushVertexShader; -static const char* const qglslPatternBrushSrcFragmentShader = "\ - uniform lowp sampler2D brushTexture;\ - uniform lowp vec4 patternColor; \ - varying highp vec2 patternTexCoords;\ - lowp vec4 srcPixel() { \ - return patternColor * (1.0 - texture2D(brushTexture, patternTexCoords).r); \ +static const char* const qglslPatternBrushSrcFragmentShader = "\n\ + uniform lowp sampler2D brushTexture; \n\ + uniform lowp vec4 patternColor; \n\ + varying highp vec2 patternTexCoords;\n\ + lowp vec4 srcPixel() \n\ + { \n\ + return patternColor * (1.0 - texture2D(brushTexture, patternTexCoords).r); \n\ }\n"; // Linear Gradient Brush -static const char* const qglslPositionWithLinearGradientBrushVertexShader = "\ - attribute highp vec2 vertexCoordsArray; \ - attribute highp vec3 pmvMatrix1; \ - attribute highp vec3 pmvMatrix2; \ - attribute highp vec3 pmvMatrix3; \ - uniform mediump vec2 halfViewportSize; \ - uniform highp vec3 linearData; \ - uniform highp mat3 brushTransform; \ - varying mediump float index; \ - void setPosition() { \ - highp mat3 pmvMatrix = mat3(pmvMatrix1, pmvMatrix2, pmvMatrix3); \ - vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \ - gl_Position.xy = transformedPos.xy / transformedPos.z; \ - 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 = vec4(gl_Position.xy * invertedHTexCoordsZ, 0.0, invertedHTexCoordsZ); \ - index = (dot(linearData.xy, hTexCoords.xy) * linearData.z) * invertedHTexCoordsZ; \ - }"; +static const char* const qglslPositionWithLinearGradientBrushVertexShader = "\n\ + attribute highp vec2 vertexCoordsArray; \n\ + attribute highp vec3 pmvMatrix1; \n\ + attribute highp vec3 pmvMatrix2; \n\ + attribute highp vec3 pmvMatrix3; \n\ + uniform mediump vec2 halfViewportSize; \n\ + uniform highp vec3 linearData; \n\ + uniform highp mat3 brushTransform; \n\ + varying mediump float index; \n\ + void setPosition() \n\ + { \n\ + highp mat3 pmvMatrix = mat3(pmvMatrix1, pmvMatrix2, pmvMatrix3); \n\ + vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \n\ + gl_Position.xy = transformedPos.xy / transformedPos.z; \n\ + mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \n\ + mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \n\ + mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \n\ + gl_Position = vec4(gl_Position.xy * invertedHTexCoordsZ, 0.0, invertedHTexCoordsZ); \n\ + index = (dot(linearData.xy, hTexCoords.xy) * linearData.z) * invertedHTexCoordsZ; \n\ + }\n"; static const char* const qglslAffinePositionWithLinearGradientBrushVertexShader = qglslPositionWithLinearGradientBrushVertexShader; -static const char* const qglslLinearGradientBrushSrcFragmentShader = "\ - uniform lowp sampler2D brushTexture; \ - varying mediump float index; \ - lowp vec4 srcPixel() { \ - mediump vec2 val = vec2(index, 0.5); \ - return texture2D(brushTexture, val); \ +static const char* const qglslLinearGradientBrushSrcFragmentShader = "\n\ + uniform lowp sampler2D brushTexture; \n\ + varying mediump float index; \n\ + lowp vec4 srcPixel() \n\ + { \n\ + mediump vec2 val = vec2(index, 0.5); \n\ + return texture2D(brushTexture, val); \n\ }\n"; // Conical Gradient Brush -static const char* const qglslPositionWithConicalGradientBrushVertexShader = "\ - attribute highp vec2 vertexCoordsArray;\ - attribute highp vec3 pmvMatrix1; \ - attribute highp vec3 pmvMatrix2; \ - attribute highp vec3 pmvMatrix3; \ - uniform mediump vec2 halfViewportSize; \ - uniform highp mat3 brushTransform; \ - varying highp vec2 A; \ - void setPosition(void) \ - { \ - highp mat3 pmvMatrix = mat3(pmvMatrix1, pmvMatrix2, pmvMatrix3); \ - vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \ - gl_Position.xy = transformedPos.xy / transformedPos.z; \ - 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 = vec4(gl_Position.xy * invertedHTexCoordsZ, 0.0, invertedHTexCoordsZ); \ - A = hTexCoords.xy * invertedHTexCoordsZ; \ - }"; +static const char* const qglslPositionWithConicalGradientBrushVertexShader = "\n\ + attribute highp vec2 vertexCoordsArray; \n\ + attribute highp vec3 pmvMatrix1; \n\ + attribute highp vec3 pmvMatrix2; \n\ + attribute highp vec3 pmvMatrix3; \n\ + uniform mediump vec2 halfViewportSize; \n\ + uniform highp mat3 brushTransform; \n\ + varying highp vec2 A; \n\ + void setPosition(void) \n\ + { \n\ + highp mat3 pmvMatrix = mat3(pmvMatrix1, pmvMatrix2, pmvMatrix3); \n\ + vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \n\ + gl_Position.xy = transformedPos.xy / transformedPos.z; \n\ + mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \n\ + mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \n\ + mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \n\ + gl_Position = vec4(gl_Position.xy * invertedHTexCoordsZ, 0.0, invertedHTexCoordsZ); \n\ + A = hTexCoords.xy * invertedHTexCoordsZ; \n\ + }\n"; static const char* const qglslAffinePositionWithConicalGradientBrushVertexShader = qglslPositionWithConicalGradientBrushVertexShader; static const char* const qglslConicalGradientBrushSrcFragmentShader = "\n\ #define INVERSE_2PI 0.1591549430918953358 \n\ - uniform lowp sampler2D brushTexture; \n\ - uniform mediump float angle; \ - varying highp vec2 A; \ - lowp vec4 srcPixel() { \ - highp float t; \ - if (abs(A.y) == abs(A.x)) \ - t = (atan(-A.y + 0.002, A.x) + angle) * INVERSE_2PI; \ - else \ - t = (atan(-A.y, A.x) + angle) * INVERSE_2PI; \ - return texture2D(brushTexture, vec2(t - floor(t), 0.5)); \ - }"; + uniform lowp sampler2D brushTexture; \n\ + uniform mediump float angle; \n\ + varying highp vec2 A; \n\ + lowp vec4 srcPixel() \n\ + { \n\ + highp float t; \n\ + if (abs(A.y) == abs(A.x)) \n\ + t = (atan(-A.y + 0.002, A.x) + angle) * INVERSE_2PI; \n\ + else \n\ + t = (atan(-A.y, A.x) + angle) * INVERSE_2PI; \n\ + return texture2D(brushTexture, vec2(t - floor(t), 0.5)); \n\ + }\n"; // Radial Gradient Brush -static const char* const qglslPositionWithRadialGradientBrushVertexShader = "\ - attribute highp vec2 vertexCoordsArray;\ - attribute highp vec3 pmvMatrix1; \ - attribute highp vec3 pmvMatrix2; \ - attribute highp vec3 pmvMatrix3; \ - uniform mediump vec2 halfViewportSize; \ - uniform highp mat3 brushTransform; \ - uniform highp vec2 fmp; \ - varying highp float b; \ - varying highp vec2 A; \ - void setPosition(void) \ - {\ - highp mat3 pmvMatrix = mat3(pmvMatrix1, pmvMatrix2, pmvMatrix3); \ - vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \ - gl_Position.xy = transformedPos.xy / transformedPos.z; \ - 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 = vec4(gl_Position.xy * invertedHTexCoordsZ, 0.0, invertedHTexCoordsZ); \ - A = hTexCoords.xy * invertedHTexCoordsZ; \ - b = 2.0 * dot(A, fmp); \ - }"; +static const char* const qglslPositionWithRadialGradientBrushVertexShader = "\n\ + attribute highp vec2 vertexCoordsArray;\n\ + attribute highp vec3 pmvMatrix1; \n\ + attribute highp vec3 pmvMatrix2; \n\ + attribute highp vec3 pmvMatrix3; \n\ + uniform mediump vec2 halfViewportSize; \n\ + uniform highp mat3 brushTransform; \n\ + uniform highp vec2 fmp; \n\ + varying highp float b; \n\ + varying highp vec2 A; \n\ + void setPosition(void) \n\ + {\n\ + highp mat3 pmvMatrix = mat3(pmvMatrix1, pmvMatrix2, pmvMatrix3); \n\ + vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \n\ + gl_Position.xy = transformedPos.xy / transformedPos.z; \n\ + mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \n\ + mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \n\ + mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \n\ + gl_Position = vec4(gl_Position.xy * invertedHTexCoordsZ, 0.0, invertedHTexCoordsZ); \n\ + A = hTexCoords.xy * invertedHTexCoordsZ; \n\ + b = 2.0 * dot(A, fmp); \n\ + }\n"; static const char* const qglslAffinePositionWithRadialGradientBrushVertexShader = qglslPositionWithRadialGradientBrushVertexShader; -static const char* const qglslRadialGradientBrushSrcFragmentShader = "\ - uniform lowp sampler2D brushTexture; \ - uniform highp float fmp2_m_radius2; \ - uniform highp float inverse_2_fmp2_m_radius2; \ - varying highp float b; \ - varying highp vec2 A; \ - lowp vec4 srcPixel() { \ - 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); \ - }"; +static const char* const qglslRadialGradientBrushSrcFragmentShader = "\n\ + uniform lowp sampler2D brushTexture; \n\ + uniform highp float fmp2_m_radius2; \n\ + uniform highp float inverse_2_fmp2_m_radius2; \n\ + varying highp float b; \n\ + varying highp vec2 A; \n\ + lowp vec4 srcPixel() \n\ + { \n\ + highp float c = -dot(A, A); \n\ + highp vec2 val = vec2((-b + sqrt(b*b - 4.0*fmp2_m_radius2*c)) * inverse_2_fmp2_m_radius2, 0.5); \n\ + return texture2D(brushTexture, val); \n\ + }\n"; // Texture Brush -static const char* const qglslPositionWithTextureBrushVertexShader = "\ - attribute highp vec2 vertexCoordsArray; \ - attribute highp vec3 pmvMatrix1; \ - attribute highp vec3 pmvMatrix2; \ - attribute highp vec3 pmvMatrix3; \ - uniform mediump vec2 halfViewportSize; \ - uniform highp vec2 invertedTextureSize; \ - uniform highp mat3 brushTransform; \ - varying highp vec2 textureCoords; \ - void setPosition(void) { \ - highp mat3 pmvMatrix = mat3(pmvMatrix1, pmvMatrix2, pmvMatrix3); \ - vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \ - gl_Position.xy = transformedPos.xy / transformedPos.z; \ - 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 = vec4(gl_Position.xy * invertedHTexCoordsZ, 0.0, invertedHTexCoordsZ); \ - textureCoords.xy = (hTexCoords.xy * invertedTextureSize) * gl_Position.w; \ - }"; +static const char* const qglslPositionWithTextureBrushVertexShader = "\n\ + attribute highp vec2 vertexCoordsArray; \n\ + attribute highp vec3 pmvMatrix1; \n\ + attribute highp vec3 pmvMatrix2; \n\ + attribute highp vec3 pmvMatrix3; \n\ + uniform mediump vec2 halfViewportSize; \n\ + uniform highp vec2 invertedTextureSize; \n\ + uniform highp mat3 brushTransform; \n\ + varying highp vec2 textureCoords; \n\ + void setPosition(void) \n\ + { \n\ + highp mat3 pmvMatrix = mat3(pmvMatrix1, pmvMatrix2, pmvMatrix3); \n\ + vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \n\ + gl_Position.xy = transformedPos.xy / transformedPos.z; \n\ + mediump vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \n\ + mediump vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \n\ + mediump float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \n\ + gl_Position = vec4(gl_Position.xy * invertedHTexCoordsZ, 0.0, invertedHTexCoordsZ); \n\ + textureCoords.xy = (hTexCoords.xy * invertedTextureSize) * gl_Position.w; \n\ + }\n"; static const char* const qglslAffinePositionWithTextureBrushVertexShader = qglslPositionWithTextureBrushVertexShader; @@ -287,148 +294,165 @@ static const char* const qglslAffinePositionWithTextureBrushVertexShader // 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 textureCoords; \ - uniform lowp sampler2D brushTexture; \ - lowp vec4 srcPixel() { \ - return texture2D(brushTexture, fract(textureCoords)); \ - }"; +static const char* const qglslTextureBrushSrcFragmentShader = "\n\ + varying highp vec2 textureCoords; \n\ + uniform lowp sampler2D brushTexture; \n\ + lowp vec4 srcPixel() { \n\ + return texture2D(brushTexture, fract(textureCoords)); \n\ + }\n"; #else -static const char* const qglslTextureBrushSrcFragmentShader = "\ - varying highp vec2 textureCoords; \ - uniform lowp sampler2D brushTexture; \ - lowp vec4 srcPixel() { \ - return texture2D(brushTexture, textureCoords); \ - }"; +static const char* const qglslTextureBrushSrcFragmentShader = "\n\ + varying highp vec2 textureCoords; \n\ + uniform lowp sampler2D brushTexture; \n\ + lowp vec4 srcPixel() \n\ + { \n\ + return texture2D(brushTexture, textureCoords); \n\ + }\n"; #endif -static const char* const qglslTextureBrushSrcWithPatternFragmentShader = "\ - varying highp vec2 textureCoords; \ - uniform lowp vec4 patternColor; \ - uniform lowp sampler2D brushTexture; \ - lowp vec4 srcPixel() { \ - return patternColor * (1.0 - texture2D(brushTexture, textureCoords).r); \ - }"; +static const char* const qglslTextureBrushSrcWithPatternFragmentShader = "\n\ + varying highp vec2 textureCoords; \n\ + uniform lowp vec4 patternColor; \n\ + uniform lowp sampler2D brushTexture; \n\ + lowp vec4 srcPixel() \n\ + { \n\ + return patternColor * (1.0 - texture2D(brushTexture, textureCoords).r); \n\ + }\n"; // Solid Fill Brush -static const char* const qglslSolidBrushSrcFragmentShader = "\ - uniform lowp vec4 fragmentColor; \ - lowp vec4 srcPixel() { \ - return fragmentColor; \ - }"; - -static const char* const qglslImageSrcFragmentShader = "\ - varying highp vec2 textureCoords; \ - uniform lowp sampler2D imageTexture; \ - lowp vec4 srcPixel() { \ - return texture2D(imageTexture, textureCoords); \ - }"; - -static const char* const qglslCustomSrcFragmentShader = "\ - varying highp vec2 textureCoords; \ - uniform lowp sampler2D imageTexture; \ - lowp vec4 customShader(lowp sampler2D texture, highp vec2 coords); \ - lowp vec4 srcPixel() { \ - return customShader(imageTexture, textureCoords); \ - }"; - -static const char* const qglslImageSrcWithPatternFragmentShader = "\ - varying highp vec2 textureCoords; \ - uniform lowp vec4 patternColor; \ - uniform lowp sampler2D imageTexture; \ - lowp vec4 srcPixel() { \ - return patternColor * (1.0 - texture2D(imageTexture, textureCoords).r); \ - }\n"; - -static const char* const qglslNonPremultipliedImageSrcFragmentShader = "\ - varying highp vec2 textureCoords; \ - uniform lowp sampler2D imageTexture; \ - lowp vec4 srcPixel() { \ - lowp vec4 sample = texture2D(imageTexture, textureCoords); \ - sample.rgb = sample.rgb * sample.a; \ - return sample; \ - }"; - -static const char* const qglslShockingPinkSrcFragmentShader = "\ - lowp vec4 srcPixel() { \ - return vec4(0.98, 0.06, 0.75, 1.0); \ - }"; - -static const char* const qglslMainFragmentShader_ImageArrays = "\ - varying lowp float opacity; \ - lowp vec4 srcPixel(); \ - void main() { \ - gl_FragColor = srcPixel() * opacity; \ - }"; - -static const char* const qglslMainFragmentShader_CMO = "\ - uniform lowp float globalOpacity; \ - lowp vec4 srcPixel(); \ - lowp vec4 applyMask(lowp vec4); \ - lowp vec4 compose(lowp vec4); \ - void main() { \ - gl_FragColor = applyMask(compose(srcPixel()*globalOpacity))); \ - }"; - -static const char* const qglslMainFragmentShader_CM = "\ - lowp vec4 srcPixel(); \ - lowp vec4 applyMask(lowp vec4); \ - lowp vec4 compose(lowp vec4); \ - void main() { \ - gl_FragColor = applyMask(compose(srcPixel())); \ - }"; - -static const char* const qglslMainFragmentShader_MO = "\ - uniform lowp float globalOpacity; \ - lowp vec4 srcPixel(); \ - lowp vec4 applyMask(lowp vec4); \ - void main() { \ - gl_FragColor = applyMask(srcPixel()*globalOpacity); \ - }"; - -static const char* const qglslMainFragmentShader_M = "\ - lowp vec4 srcPixel(); \ - lowp vec4 applyMask(lowp vec4); \ - void main() { \ - gl_FragColor = applyMask(srcPixel()); \ - }"; - -static const char* const qglslMainFragmentShader_CO = "\ - uniform lowp float globalOpacity; \ - lowp vec4 srcPixel(); \ - lowp vec4 compose(lowp vec4); \ - void main() { \ - gl_FragColor = compose(srcPixel()*globalOpacity); \ - }"; - -static const char* const qglslMainFragmentShader_C = "\ - lowp vec4 srcPixel(); \ - lowp vec4 compose(lowp vec4); \ - void main() { \ - gl_FragColor = compose(srcPixel()); \ - }"; - -static const char* const qglslMainFragmentShader_O = "\ - uniform lowp float globalOpacity; \ - lowp vec4 srcPixel(); \ - void main() { \ - gl_FragColor = srcPixel()*globalOpacity; \ - }"; - -static const char* const qglslMainFragmentShader = "\ - lowp vec4 srcPixel(); \ - void main() { \ - gl_FragColor = srcPixel(); \ - }"; - -static const char* const qglslMaskFragmentShader = "\ - varying highp vec2 textureCoords;\ - uniform lowp sampler2D maskTexture;\ - lowp vec4 applyMask(lowp vec4 src) \ - {\ - lowp vec4 mask = texture2D(maskTexture, textureCoords); \ - return src * mask.a; \ - }"; +static const char* const qglslSolidBrushSrcFragmentShader = "\n\ + uniform lowp vec4 fragmentColor; \n\ + lowp vec4 srcPixel() \n\ + { \n\ + return fragmentColor; \n\ + }\n"; + +static const char* const qglslImageSrcFragmentShader = "\n\ + varying highp vec2 textureCoords; \n\ + uniform lowp sampler2D imageTexture; \n\ + lowp vec4 srcPixel() \n\ + { \n\ + return texture2D(imageTexture, textureCoords); \n\ + }\n"; + +static const char* const qglslCustomSrcFragmentShader = "\n\ + varying highp vec2 textureCoords; \n\ + uniform lowp sampler2D imageTexture; \n\ + lowp vec4 customShader(lowp sampler2D texture, highp vec2 coords); \n\ + lowp vec4 srcPixel() \n\ + { \n\ + return customShader(imageTexture, textureCoords); \n\ + }\n"; + +static const char* const qglslImageSrcWithPatternFragmentShader = "\n\ + varying highp vec2 textureCoords; \n\ + uniform lowp vec4 patternColor; \n\ + uniform lowp sampler2D imageTexture; \n\ + lowp vec4 srcPixel() \n\ + { \n\ + return patternColor * (1.0 - texture2D(imageTexture, textureCoords).r); \n\ + }\n"; + +static const char* const qglslNonPremultipliedImageSrcFragmentShader = "\n\ + varying highp vec2 textureCoords; \n\ + uniform lowp sampler2D imageTexture; \n\ + lowp vec4 srcPixel() \n\ + { \n\ + lowp vec4 sample = texture2D(imageTexture, textureCoords); \n\ + sample.rgb = sample.rgb * sample.a; \n\ + return sample; \n\ + }\n"; + +static const char* const qglslShockingPinkSrcFragmentShader = "\n\ + lowp vec4 srcPixel() \n\ + { \n\ + return vec4(0.98, 0.06, 0.75, 1.0); \n\ + }\n"; + +static const char* const qglslMainFragmentShader_ImageArrays = "\n\ + varying lowp float opacity; \n\ + lowp vec4 srcPixel(); \n\ + void main() \n\ + { \n\ + gl_FragColor = srcPixel() * opacity; \n\ + }\n"; + +static const char* const qglslMainFragmentShader_CMO = "\n\ + uniform lowp float globalOpacity; \n\ + lowp vec4 srcPixel(); \n\ + lowp vec4 applyMask(lowp vec4); \n\ + lowp vec4 compose(lowp vec4); \n\ + void main() \n\ + { \n\ + gl_FragColor = applyMask(compose(srcPixel()*globalOpacity))); \n\ + }\n"; + +static const char* const qglslMainFragmentShader_CM = "\n\ + lowp vec4 srcPixel(); \n\ + lowp vec4 applyMask(lowp vec4); \n\ + lowp vec4 compose(lowp vec4); \n\ + void main() \n\ + { \n\ + gl_FragColor = applyMask(compose(srcPixel())); \n\ + }\n"; + +static const char* const qglslMainFragmentShader_MO = "\n\ + uniform lowp float globalOpacity; \n\ + lowp vec4 srcPixel(); \n\ + lowp vec4 applyMask(lowp vec4); \n\ + void main() \n\ + { \n\ + gl_FragColor = applyMask(srcPixel()*globalOpacity); \n\ + }\n"; + +static const char* const qglslMainFragmentShader_M = "\n\ + lowp vec4 srcPixel(); \n\ + lowp vec4 applyMask(lowp vec4); \n\ + void main() \n\ + { \n\ + gl_FragColor = applyMask(srcPixel()); \n\ + }\n"; + +static const char* const qglslMainFragmentShader_CO = "\n\ + uniform lowp float globalOpacity; \n\ + lowp vec4 srcPixel(); \n\ + lowp vec4 compose(lowp vec4); \n\ + void main() \n\ + { \n\ + gl_FragColor = compose(srcPixel()*globalOpacity); \n\ + }\n"; + +static const char* const qglslMainFragmentShader_C = "\n\ + lowp vec4 srcPixel(); \n\ + lowp vec4 compose(lowp vec4); \n\ + void main() \n\ + { \n\ + gl_FragColor = compose(srcPixel()); \n\ + }\n"; + +static const char* const qglslMainFragmentShader_O = "\n\ + uniform lowp float globalOpacity; \n\ + lowp vec4 srcPixel(); \n\ + void main() \n\ + { \n\ + gl_FragColor = srcPixel()*globalOpacity; \n\ + }\n"; + +static const char* const qglslMainFragmentShader = "\n\ + lowp vec4 srcPixel(); \n\ + void main() \n\ + { \n\ + gl_FragColor = srcPixel(); \n\ + }\n"; + +static const char* const qglslMaskFragmentShader = "\n\ + varying highp vec2 textureCoords;\n\ + uniform lowp sampler2D maskTexture;\n\ + lowp vec4 applyMask(lowp vec4 src) \n\ + {\n\ + lowp vec4 mask = texture2D(maskTexture, textureCoords); \n\ + return src * mask.a; \n\ + }\n"; // For source over with subpixel antialiasing, the final color is calculated per component as follows // (.a is alpha component, .c is red, green or blue component): @@ -445,23 +469,23 @@ static const char* const qglslMaskFragmentShader = "\ // dest.c = dest.c * (1 - mask.c) + src.c * alpha // -static const char* const qglslRgbMaskFragmentShaderPass1 = "\ - varying highp vec2 textureCoords;\ - uniform lowp sampler2D maskTexture;\ - lowp vec4 applyMask(lowp vec4 src) \ - {\ - lowp vec4 mask = texture2D(maskTexture, textureCoords); \ - return src.a * mask; \ - }"; - -static const char* const qglslRgbMaskFragmentShaderPass2 = "\ - varying highp vec2 textureCoords;\ - uniform lowp sampler2D maskTexture;\ - lowp vec4 applyMask(lowp vec4 src) \ - {\ - lowp vec4 mask = texture2D(maskTexture, textureCoords); \ - return src * mask; \ - }"; +static const char* const qglslRgbMaskFragmentShaderPass1 = "\n\ + varying highp vec2 textureCoords;\n\ + uniform lowp sampler2D maskTexture;\n\ + lowp vec4 applyMask(lowp vec4 src) \n\ + { \n\ + lowp vec4 mask = texture2D(maskTexture, textureCoords); \n\ + return src.a * mask; \n\ + }\n"; + +static const char* const qglslRgbMaskFragmentShaderPass2 = "\n\ + varying highp vec2 textureCoords;\n\ + uniform lowp sampler2D maskTexture;\n\ + lowp vec4 applyMask(lowp vec4 src) \n\ + { \n\ + lowp vec4 mask = texture2D(maskTexture, textureCoords); \n\ + return src * mask; \n\ + }\n"; /* Left to implement: |