diff options
Diffstat (limited to 'src/gui/opengl/qopenglengineshadersource_p.h')
| -rw-r--r-- | src/gui/opengl/qopenglengineshadersource_p.h | 517 |
1 files changed, 487 insertions, 30 deletions
diff --git a/src/gui/opengl/qopenglengineshadersource_p.h b/src/gui/opengl/qopenglengineshadersource_p.h index 1e88ac63b5..a165643839 100644 --- a/src/gui/opengl/qopenglengineshadersource_p.h +++ b/src/gui/opengl/qopenglengineshadersource_p.h @@ -58,7 +58,6 @@ QT_BEGIN_NAMESPACE - static const char* const qopenglslMainVertexShader = "\n\ void setPosition(); \n\ void main(void) \n\ @@ -532,40 +531,498 @@ static const char* const qopenglslRgbMaskFragmentShaderPass2 = "\n\ ExclusionCompositionModeFragmentShader, */ -// OpenGL 3.2 core profile versions of shaders that are used by QOpenGLTextureGlyphCache +/* + OpenGL 3.2+ Core Profile shaders + The following shader snippets are copies of the snippets above + but use the modern GLSL 1.5 keywords. New shaders should make + a snippet for both profiles and add them appropriately in the + shader manager. +*/ +static const char* const qopenglslMainVertexShader_core = + "#version 150 core\n\ + void setPosition(); \n\ + void main(void) \n\ + { \n\ + setPosition(); \n\ + }\n"; + +static const char* const qopenglslMainWithTexCoordsVertexShader_core = + "#version 150 core\n\ + in vec2 textureCoordArray; \n\ + out vec2 textureCoords; \n\ + void setPosition(); \n\ + void main(void) \n\ + { \n\ + setPosition(); \n\ + textureCoords = textureCoordArray; \n\ + }\n"; + +static const char* const qopenglslMainWithTexCoordsAndOpacityVertexShader_core = + "#version 150 core\n\ + in vec2 textureCoordArray; \n\ + in float opacityArray; \n\ + out vec2 textureCoords; \n\ + out 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 qopenglslPositionOnlyVertexShader_core = "\n\ + in vec2 vertexCoordsArray; \n\ + in vec3 pmvMatrix1; \n\ + in vec3 pmvMatrix2; \n\ + in vec3 pmvMatrix3; \n\ + void setPosition(void) \n\ + { \n\ + 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 qopenglslMainWithTexCoordsVertexShader_core = "#version 150 core \n\ - in vec2 textureCoordArray; \n\ - out vec2 textureCoords; \n\ - void setPosition(); \n\ - void main(void) \n\ - { \n\ - setPosition(); \n\ - textureCoords = textureCoordArray; \n\ - }\n"; +static const char* const qopenglslComplexGeometryPositionOnlyVertexShader_core = "\n\ + in vec2 vertexCoordsArray; \n\ + uniform mat3 matrix; \n\ + void setPosition(void) \n\ + { \n\ + gl_Position = vec4(matrix * vec3(vertexCoordsArray, 1), 1);\n\ + } \n"; static const char* const qopenglslUntransformedPositionVertexShader_core = "\n\ - in vec4 vertexCoordsArray; \n\ - void setPosition(void) \n\ - { \n\ - gl_Position = vertexCoordsArray; \n\ - }\n"; - -static const char* const qopenglslMainFragmentShader_core = "#version 150 core \n\ - vec4 srcPixel(); \n\ - out vec4 fragColor; \n\ - void main() \n\ - { \n\ - fragColor = srcPixel(); \n\ - }\n"; + in 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 qopenglslPositionWithPatternBrushVertexShader_core = "\n\ + in vec2 vertexCoordsArray; \n\ + in vec3 pmvMatrix1; \n\ + in vec3 pmvMatrix2; \n\ + in vec3 pmvMatrix3; \n\ + out vec2 patternTexCoords; \n\ + uniform vec2 halfViewportSize; \n\ + uniform vec2 invertedTextureSize; \n\ + uniform mat3 brushTransform; \n\ + void setPosition(void) \n\ + { \n\ + mat3 pmvMatrix = mat3(pmvMatrix1, pmvMatrix2, pmvMatrix3); \n\ + vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \n\ + gl_Position.xy = transformedPos.xy / transformedPos.z; \n\ + vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \n\ + vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1.0); \n\ + 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 qopenglslAffinePositionWithPatternBrushVertexShader_core + = qopenglslPositionWithPatternBrushVertexShader_core; + +static const char* const qopenglslPatternBrushSrcFragmentShader_core = "\n\ + in vec2 patternTexCoords;\n\ + uniform sampler2D brushTexture; \n\ + uniform vec4 patternColor; \n\ + vec4 srcPixel() \n\ + { \n\ + return patternColor * (1.0 - texture(brushTexture, patternTexCoords).r); \n\ + }\n"; + + +// Linear Gradient Brush +static const char* const qopenglslPositionWithLinearGradientBrushVertexShader_core = "\n\ + in vec2 vertexCoordsArray; \n\ + in vec3 pmvMatrix1; \n\ + in vec3 pmvMatrix2; \n\ + in vec3 pmvMatrix3; \n\ + out float index; \n\ + uniform vec2 halfViewportSize; \n\ + uniform vec3 linearData; \n\ + uniform mat3 brushTransform; \n\ + void setPosition() \n\ + { \n\ + mat3 pmvMatrix = mat3(pmvMatrix1, pmvMatrix2, pmvMatrix3); \n\ + vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \n\ + gl_Position.xy = transformedPos.xy / transformedPos.z; \n\ + vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \n\ + vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \n\ + 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 qopenglslAffinePositionWithLinearGradientBrushVertexShader_core + = qopenglslPositionWithLinearGradientBrushVertexShader_core; + +static const char* const qopenglslLinearGradientBrushSrcFragmentShader_core = "\n\ + uniform sampler2D brushTexture; \n\ + in float index; \n\ + vec4 srcPixel() \n\ + { \n\ + vec2 val = vec2(index, 0.5); \n\ + return texture(brushTexture, val); \n\ + }\n"; + + +// Conical Gradient Brush +static const char* const qopenglslPositionWithConicalGradientBrushVertexShader_core = "\n\ + in vec2 vertexCoordsArray; \n\ + in vec3 pmvMatrix1; \n\ + in vec3 pmvMatrix2; \n\ + in vec3 pmvMatrix3; \n\ + out vec2 A; \n\ + uniform vec2 halfViewportSize; \n\ + uniform mat3 brushTransform; \n\ + void setPosition(void) \n\ + { \n\ + mat3 pmvMatrix = mat3(pmvMatrix1, pmvMatrix2, pmvMatrix3); \n\ + vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \n\ + gl_Position.xy = transformedPos.xy / transformedPos.z; \n\ + vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \n\ + vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \n\ + 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 qopenglslAffinePositionWithConicalGradientBrushVertexShader_core + = qopenglslPositionWithConicalGradientBrushVertexShader_core; + +static const char* const qopenglslConicalGradientBrushSrcFragmentShader_core = "\n\ + #define INVERSE_2PI 0.1591549430918953358 \n\ + in vec2 A; \n\ + uniform sampler2D brushTexture; \n\ + uniform float angle; \n\ + vec4 srcPixel() \n\ + { \n\ + 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 texture(brushTexture, vec2(t - floor(t), 0.5)); \n\ + }\n"; + + +// Radial Gradient Brush +static const char* const qopenglslPositionWithRadialGradientBrushVertexShader_core = "\n\ + in vec2 vertexCoordsArray;\n\ + in vec3 pmvMatrix1; \n\ + in vec3 pmvMatrix2; \n\ + in vec3 pmvMatrix3; \n\ + out float b; \n\ + out vec2 A; \n\ + uniform vec2 halfViewportSize; \n\ + uniform mat3 brushTransform; \n\ + uniform vec2 fmp; \n\ + uniform vec3 bradius; \n\ + void setPosition(void) \n\ + {\n\ + mat3 pmvMatrix = mat3(pmvMatrix1, pmvMatrix2, pmvMatrix3); \n\ + vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \n\ + gl_Position.xy = transformedPos.xy / transformedPos.z; \n\ + vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \n\ + vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \n\ + float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \n\ + gl_Position = vec4(gl_Position.xy * invertedHTexCoordsZ, 0.0, invertedHTexCoordsZ); \n\ + A = hTexCoords.xy * invertedHTexCoordsZ; \n\ + b = bradius.x + 2.0 * dot(A, fmp); \n\ + }\n"; + +static const char* const qopenglslAffinePositionWithRadialGradientBrushVertexShader_core + = qopenglslPositionWithRadialGradientBrushVertexShader_core; + +static const char* const qopenglslRadialGradientBrushSrcFragmentShader_core = "\n\ + in float b; \n\ + in vec2 A; \n\ + uniform sampler2D brushTexture; \n\ + uniform float fmp2_m_radius2; \n\ + uniform float inverse_2_fmp2_m_radius2; \n\ + uniform float sqrfr; \n\ + uniform vec3 bradius; \n\ + \n\ + vec4 srcPixel() \n\ + { \n\ + float c = sqrfr-dot(A, A); \n\ + float det = b*b - 4.0*fmp2_m_radius2*c; \n\ + vec4 result = vec4(0.0); \n\ + if (det >= 0.0) { \n\ + float detSqrt = sqrt(det); \n\ + float w = max((-b - detSqrt) * inverse_2_fmp2_m_radius2, (-b + detSqrt) * inverse_2_fmp2_m_radius2); \n\ + if (bradius.y + w * bradius.z >= 0.0) \n\ + result = texture(brushTexture, vec2(w, 0.5)); \n\ + } \n\ + return result; \n\ + }\n"; + + +// Texture Brush +static const char* const qopenglslPositionWithTextureBrushVertexShader_core = "\n\ + in vec2 vertexCoordsArray; \n\ + in vec3 pmvMatrix1; \n\ + in vec3 pmvMatrix2; \n\ + in vec3 pmvMatrix3; \n\ + out vec2 brushTextureCoords; \n\ + uniform vec2 halfViewportSize; \n\ + uniform vec2 invertedTextureSize; \n\ + uniform mat3 brushTransform; \n\ + \n\ + void setPosition(void) \n\ + { \n\ + mat3 pmvMatrix = mat3(pmvMatrix1, pmvMatrix2, pmvMatrix3); \n\ + vec3 transformedPos = pmvMatrix * vec3(vertexCoordsArray.xy, 1.0); \n\ + gl_Position.xy = transformedPos.xy / transformedPos.z; \n\ + vec2 viewportCoords = (gl_Position.xy + 1.0) * halfViewportSize; \n\ + vec3 hTexCoords = brushTransform * vec3(viewportCoords, 1); \n\ + float invertedHTexCoordsZ = 1.0 / hTexCoords.z; \n\ + gl_Position = vec4(gl_Position.xy * invertedHTexCoordsZ, 0.0, invertedHTexCoordsZ); \n\ + brushTextureCoords.xy = (hTexCoords.xy * invertedTextureSize) * gl_Position.w; \n\ + }\n"; + +static const char* const qopenglslAffinePositionWithTextureBrushVertexShader_core + = qopenglslPositionWithTextureBrushVertexShader_core; + +static const char* const qopenglslTextureBrushSrcFragmentShader_desktop_core = "\n\ + in vec2 brushTextureCoords; \n\ + uniform sampler2D brushTexture; \n\ + vec4 srcPixel() \n\ + { \n\ + return texture(brushTexture, brushTextureCoords); \n\ + }\n"; + +static const char* const qopenglslTextureBrushSrcWithPatternFragmentShader_core = "\n\ + in vec2 brushTextureCoords; \n\ + uniform vec4 patternColor; \n\ + uniform sampler2D brushTexture; \n\ + vec4 srcPixel() \n\ + { \n\ + return patternColor * (1.0 - texture(brushTexture, brushTextureCoords).r); \n\ + }\n"; + +// Solid Fill Brush +static const char* const qopenglslSolidBrushSrcFragmentShader_core = "\n\ + uniform vec4 fragmentColor; \n\ + vec4 srcPixel() \n\ + { \n\ + return fragmentColor; \n\ + }\n"; static const char* const qopenglslImageSrcFragmentShader_core = "\n\ - in vec2 textureCoords; \n\ - uniform sampler2D imageTexture; \n\ - vec4 srcPixel() \n\ - { \n" - "return texture(imageTexture, textureCoords); \n" - "}\n"; + in vec2 textureCoords; \n\ + uniform sampler2D imageTexture; \n\ + vec4 srcPixel() \n\ + { \n\ + return texture(imageTexture, textureCoords); \n\ + }\n"; + +static const char* const qopenglslCustomSrcFragmentShader_core = "\n\ + in vec2 textureCoords; \n\ + uniform sampler2D imageTexture; \n\ + vec4 srcPixel() \n\ + { \n\ + return customShader(imageTexture, textureCoords); \n\ + }\n"; + +static const char* const qopenglslImageSrcWithPatternFragmentShader_core = "\n\ + in vec2 textureCoords; \n\ + uniform vec4 patternColor; \n\ + uniform sampler2D imageTexture; \n\ + vec4 srcPixel() \n\ + { \n\ + return patternColor * (1.0 - texture(imageTexture, textureCoords).r); \n\ + }\n"; + +static const char* const qopenglslNonPremultipliedImageSrcFragmentShader_core = "\n\ + in vec2 textureCoords; \n\ + uniform sampler2D imageTexture; \n\ + vec4 srcPixel() \n\ + { \n\ + vec4 sample = texture(imageTexture, textureCoords); \n\ + sample.rgb = sample.rgb * sample.a; \n\ + return sample; \n\ + }\n"; + +static const char* const qopenglslGrayscaleImageSrcFragmentShader_core = "\n\ + in vec2 textureCoords; \n\ + uniform sampler2D imageTexture; \n\ + vec4 srcPixel() \n\ + { \n\ + return texture(imageTexture, textureCoords).rrra; \n\ + }\n"; + +static const char* const qopenglslAlphaImageSrcFragmentShader_core = "\n\ + in vec2 textureCoords; \n\ + uniform sampler2D imageTexture; \n\ + vec4 srcPixel() \n\ + { \n\ + return vec4(0, 0, 0, texture(imageTexture, textureCoords).r); \n\ + }\n"; + +static const char* const qopenglslShockingPinkSrcFragmentShader_core = "\n\ + vec4 srcPixel() \n\ + { \n\ + return vec4(0.98, 0.06, 0.75, 1.0); \n\ + }\n"; + +static const char* const qopenglslMainFragmentShader_ImageArrays_core = + "#version 150 core\n\ + in float opacity; \n\ + out vec4 fragColor; \n\ + vec4 srcPixel(); \n\ + void main() \n\ + { \n\ + fragColor = srcPixel() * opacity; \n\ + }\n"; + +static const char* const qopenglslMainFragmentShader_CMO_core = + "#version 150 core\n\ + out vec4 fragColor; \n\ + uniform float globalOpacity; \n\ + vec4 srcPixel(); \n\ + vec4 applyMask(vec4); \n\ + vec4 compose(vec4); \n\ + void main() \n\ + { \n\ + fragColor = applyMask(compose(srcPixel()*globalOpacity))); \n\ + }\n"; + +static const char* const qopenglslMainFragmentShader_CM_core = + "#version 150 core\n\ + out vec4 fragColor; \n\ + vec4 srcPixel(); \n\ + vec4 applyMask(vec4); \n\ + vec4 compose(vec4); \n\ + void main() \n\ + { \n\ + fragColor = applyMask(compose(srcPixel())); \n\ + }\n"; + +static const char* const qopenglslMainFragmentShader_MO_core = + "#version 150 core\n\ + out vec4 fragColor; \n\ + uniform float globalOpacity; \n\ + vec4 srcPixel(); \n\ + vec4 applyMask(vec4); \n\ + void main() \n\ + { \n\ + fragColor = applyMask(srcPixel()*globalOpacity); \n\ + }\n"; + +static const char* const qopenglslMainFragmentShader_M_core = + "#version 150 core\n\ + out vec4 fragColor; \n\ + vec4 srcPixel(); \n\ + vec4 applyMask(vec4); \n\ + void main() \n\ + { \n\ + fragColor = applyMask(srcPixel()); \n\ + }\n"; + +static const char* const qopenglslMainFragmentShader_CO_core = + "#version 150 core\n\ + out vec4 fragColor; \n\ + uniform float globalOpacity; \n\ + vec4 srcPixel(); \n\ + vec4 compose(vec4); \n\ + void main() \n\ + { \n\ + fragColor = compose(srcPixel()*globalOpacity); \n\ + }\n"; + +static const char* const qopenglslMainFragmentShader_C_core = + "#version 150 core\n\ + out vec4 fragColor; \n\ + vec4 srcPixel(); \n\ + vec4 compose(vec4); \n\ + void main() \n\ + { \n\ + fragColor = compose(srcPixel()); \n\ + }\n"; + +static const char* const qopenglslMainFragmentShader_O_core = + "#version 150 core\n\ + out vec4 fragColor; \n\ + uniform float globalOpacity; \n\ + vec4 srcPixel(); \n\ + void main() \n\ + { \n\ + fragColor = srcPixel()*globalOpacity; \n\ + }\n"; + +static const char* const qopenglslMainFragmentShader_core = + "#version 150 core\n\ + out vec4 fragColor; \n\ + vec4 srcPixel(); \n\ + void main() \n\ + { \n\ + fragColor = srcPixel(); \n\ + }\n"; + +static const char* const qopenglslMaskFragmentShader_core = "\n\ + in vec2 textureCoords;\n\ + uniform sampler2D maskTexture;\n\ + vec4 applyMask(vec4 src) \n\ + {\n\ + vec4 mask = texture(maskTexture, textureCoords); \n\ + return src * mask.r; \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): +// alpha = src.a * mask.c * opacity +// dest.c = dest.c * (1 - alpha) + src.c * alpha +// +// In the first pass, calculate: dest.c = dest.c * (1 - alpha) with blend funcs: zero, 1 - source color +// In the second pass, calculate: dest.c = dest.c + src.c * alpha with blend funcs: one, one +// +// If source is a solid color (src is constant), only the first pass is needed, with blend funcs: constant, 1 - source color + +// For source composition with subpixel antialiasing, the final color is calculated per component as follows: +// alpha = src.a * mask.c * opacity +// dest.c = dest.c * (1 - mask.c) + src.c * alpha +// + +static const char* const qopenglslRgbMaskFragmentShaderPass1_core = "\n\ + in vec2 textureCoords;\n\ + uniform sampler2D maskTexture;\n\ + vec4 applyMask(vec4 src) \n\ + { \n\ + vec4 mask = texture(maskTexture, textureCoords); \n\ + return src.a * mask; \n\ + }\n"; + +static const char* const qopenglslRgbMaskFragmentShaderPass2_core = "\n\ + in vec2 textureCoords;\n\ + uniform sampler2D maskTexture;\n\ + vec4 applyMask(vec4 src) \n\ + { \n\ + vec4 mask = texture(maskTexture, textureCoords); \n\ + return src * mask; \n\ + }\n"; + +/* + Left to implement: + RgbMaskFragmentShader_core, + RgbMaskWithGammaFragmentShader_core, + + MultiplyCompositionModeFragmentShader_core, + ScreenCompositionModeFragmentShader_core, + OverlayCompositionModeFragmentShader_core, + DarkenCompositionModeFragmentShader_core, + LightenCompositionModeFragmentShader_core, + ColorDodgeCompositionModeFragmentShader_core, + ColorBurnCompositionModeFragmentShader_core, + HardLightCompositionModeFragmentShader_core, + SoftLightCompositionModeFragmentShader_core, + DifferenceCompositionModeFragmentShader_core, + ExclusionCompositionModeFragmentShader_core, +*/ QT_END_NAMESPACE |