diff options
Diffstat (limited to 'libs/hwui/ProgramCache.cpp')
| -rw-r--r-- | libs/hwui/ProgramCache.cpp | 63 |
1 files changed, 36 insertions, 27 deletions
diff --git a/libs/hwui/ProgramCache.cpp b/libs/hwui/ProgramCache.cpp index 62ac2baaf7b6..5bfe7a35e3ab 100644 --- a/libs/hwui/ProgramCache.cpp +++ b/libs/hwui/ProgramCache.cpp @@ -39,8 +39,9 @@ const char* gVS_Header_Attributes = "attribute vec4 position;\n"; const char* gVS_Header_Attributes_TexCoords = "attribute vec2 texCoords;\n"; -const char* gVS_Header_Attributes_Distance = - "attribute float vtxDistance;\n"; +const char* gVS_Header_Attributes_AAParameters = + "attribute float vtxWidth;\n" + "attribute float vtxLength;\n"; const char* gVS_Header_Uniforms_TextureTransform = "uniform mat4 mainTextureTransform;\n"; const char* gVS_Header_Uniforms = @@ -60,8 +61,9 @@ const char* gVS_Header_Uniforms_HasBitmap = "uniform mediump vec2 textureDimension;\n"; const char* gVS_Header_Varyings_HasTexture = "varying vec2 outTexCoords;\n"; -const char* gVS_Header_Varyings_HasWidth = - "varying float distance;\n"; +const char* gVS_Header_Varyings_IsAA = + "varying float widthProportion;\n" + "varying float lengthProportion;\n"; const char* gVS_Header_Varyings_HasBitmap = "varying vec2 outBitmapTexCoords;\n"; const char* gVS_Header_Varyings_PointHasBitmap = @@ -96,8 +98,9 @@ const char* gVS_Main_Position = " gl_Position = transform * position;\n"; const char* gVS_Main_PointSize = " gl_PointSize = pointSize;\n"; -const char* gVS_Main_Width = - " distance = vtxDistance;\n"; +const char* gVS_Main_AA = + " widthProportion = vtxWidth;\n" + " lengthProportion = vtxLength;\n"; const char* gVS_Footer = "}\n\n"; @@ -113,10 +116,11 @@ const char* gFS_Header = "precision mediump float;\n\n"; const char* gFS_Uniforms_Color = "uniform vec4 color;\n"; -const char* gFS_Uniforms_Width = - "uniform float width;\n" +const char* gFS_Uniforms_AA = "uniform float boundaryWidth;\n" - "uniform float inverseBoundaryWidth;\n"; + "uniform float inverseBoundaryWidth;\n" + "uniform float boundaryLength;\n" + "uniform float inverseBoundaryLength;\n"; const char* gFS_Header_Uniforms_PointHasBitmap = "uniform vec2 textureDimension;\n" "uniform float pointSize;\n"; @@ -189,11 +193,16 @@ const char* gFS_Main_FetchColor = " fragColor = color;\n"; const char* gFS_Main_ModulateColor = " fragColor *= color.a;\n"; -const char* gFS_Main_AccountForWidth = - " if (distance < boundaryWidth) {\n" - " fragColor *= (distance * inverseBoundaryWidth);\n" - " } else if (distance > (1.0 - boundaryWidth)) {\n" - " fragColor *= ((1.0 - distance) * inverseBoundaryWidth);\n" +const char* gFS_Main_AccountForAA = + " if (widthProportion < boundaryWidth) {\n" + " fragColor *= (widthProportion * inverseBoundaryWidth);\n" + " } else if (widthProportion > (1.0 - boundaryWidth)) {\n" + " fragColor *= ((1.0 - widthProportion) * inverseBoundaryWidth);\n" + " }\n" + " if (lengthProportion < boundaryLength) {\n" + " fragColor *= (lengthProportion * inverseBoundaryLength);\n" + " } else if (lengthProportion > (1.0 - boundaryLength)) {\n" + " fragColor *= ((1.0 - lengthProportion) * inverseBoundaryLength);\n" " }\n"; const char* gFS_Main_FetchTexture[2] = { // Don't modulate @@ -380,8 +389,8 @@ String8 ProgramCache::generateVertexShader(const ProgramDescription& description if (description.hasTexture || description.hasExternalTexture) { shader.append(gVS_Header_Attributes_TexCoords); } - if (description.hasWidth) { - shader.append(gVS_Header_Attributes_Distance); + if (description.isAA) { + shader.append(gVS_Header_Attributes_AAParameters); } // Uniforms shader.append(gVS_Header_Uniforms); @@ -401,8 +410,8 @@ String8 ProgramCache::generateVertexShader(const ProgramDescription& description if (description.hasTexture || description.hasExternalTexture) { shader.append(gVS_Header_Varyings_HasTexture); } - if (description.hasWidth) { - shader.append(gVS_Header_Varyings_HasWidth); + if (description.isAA) { + shader.append(gVS_Header_Varyings_IsAA); } if (description.hasGradient) { shader.append(gVS_Header_Varyings_HasGradient[description.gradientType]); @@ -421,8 +430,8 @@ String8 ProgramCache::generateVertexShader(const ProgramDescription& description if (description.hasExternalTexture) { shader.append(gVS_Main_OutTransformedTexCoords); } - if (description.hasWidth) { - shader.append(gVS_Main_Width); + if (description.isAA) { + shader.append(gVS_Main_AA); } if (description.hasGradient) { shader.append(gVS_Main_OutGradient[description.gradientType]); @@ -464,8 +473,8 @@ String8 ProgramCache::generateFragmentShader(const ProgramDescription& descripti if (description.hasTexture || description.hasExternalTexture) { shader.append(gVS_Header_Varyings_HasTexture); } - if (description.hasWidth) { - shader.append(gVS_Header_Varyings_HasWidth); + if (description.isAA) { + shader.append(gVS_Header_Varyings_IsAA); } if (description.hasGradient) { shader.append(gVS_Header_Varyings_HasGradient[description.gradientType]); @@ -491,8 +500,8 @@ String8 ProgramCache::generateFragmentShader(const ProgramDescription& descripti if (description.hasExternalTexture) { shader.append(gFS_Uniforms_ExternalTextureSampler); } - if (description.hasWidth) { - shader.append(gFS_Uniforms_Width); + if (description.isAA) { + shader.append(gFS_Uniforms_AA); } if (description.hasGradient) { shader.append(gFS_Uniforms_GradientSampler[description.gradientType]); @@ -502,7 +511,7 @@ String8 ProgramCache::generateFragmentShader(const ProgramDescription& descripti } // Optimization for common cases - if (!description.hasWidth && !blendFramebuffer && + if (!description.isAA && !blendFramebuffer && description.colorOp == ProgramDescription::kColorNone && !description.isPoint) { bool fast = false; @@ -587,8 +596,8 @@ String8 ProgramCache::generateFragmentShader(const ProgramDescription& descripti shader.append(gFS_Main_FetchColor); } } - if (description.hasWidth) { - shader.append(gFS_Main_AccountForWidth); + if (description.isAA) { + shader.append(gFS_Main_AccountForAA); } if (description.hasGradient) { shader.append(gFS_Main_FetchGradient[description.gradientType]); |