diff options
Diffstat (limited to 'libs/hwui/ProgramCache.cpp')
| -rw-r--r-- | libs/hwui/ProgramCache.cpp | 42 |
1 files changed, 38 insertions, 4 deletions
diff --git a/libs/hwui/ProgramCache.cpp b/libs/hwui/ProgramCache.cpp index 0b6c7b5..2562306 100644 --- a/libs/hwui/ProgramCache.cpp +++ b/libs/hwui/ProgramCache.cpp @@ -41,6 +41,8 @@ const char* gVS_Header_Attributes_TexCoords = "attribute vec2 texCoords;\n"; const char* gVS_Header_Uniforms = "uniform mat4 transform;\n"; +const char* gVS_Header_Uniforms_IsPoint = + "uniform float pointSize;\n"; const char* gVS_Header_Uniforms_HasGradient[3] = { // Linear "uniform mat4 screenSpace;\n", @@ -56,6 +58,8 @@ const char* gVS_Header_Varyings_HasTexture = "varying vec2 outTexCoords;\n"; const char* gVS_Header_Varyings_HasBitmap = "varying vec2 outBitmapTexCoords;\n"; +const char* gVS_Header_Varyings_PointHasBitmap = + "varying vec2 outPointBitmapTexCoords;\n"; const char* gVS_Header_Varyings_HasGradient[3] = { // Linear "varying vec2 linear;\n", @@ -78,8 +82,12 @@ const char* gVS_Main_OutGradient[3] = { }; const char* gVS_Main_OutBitmapTexCoords = " outBitmapTexCoords = (textureTransform * position).xy * textureDimension;\n"; +const char* gVS_Main_OutPointBitmapTexCoords = + " outPointBitmapTexCoords = (textureTransform * position).xy * textureDimension;\n"; const char* gVS_Main_Position = " gl_Position = transform * position;\n"; +const char* gVS_Main_PointSize = + " gl_PointSize = pointSize;\n"; const char* gVS_Footer = "}\n\n"; @@ -93,6 +101,9 @@ const char* gFS_Header = "precision mediump float;\n\n"; const char* gFS_Uniforms_Color = "uniform vec4 color;\n"; +const char* gFS_Header_Uniforms_PointHasBitmap = + "uniform vec2 textureDimension;\n" + "uniform float pointSize;\n"; const char* gFS_Uniforms_TextureSampler = "uniform sampler2D sampler;\n"; const char* gFS_Uniforms_GradientSampler[3] = { @@ -121,6 +132,10 @@ const char* gFS_Main = "\nvoid main(void) {\n" " lowp vec4 fragColor;\n"; +const char* gFS_Main_PointBitmapTexCoords = + " vec2 outBitmapTexCoords = outPointBitmapTexCoords + " + "((gl_PointCoord - vec2(0.5, 0.5)) * textureDimension * vec2(pointSize, pointSize));\n"; + // Fast cases const char* gFS_Fast_SingleColor = "\nvoid main(void) {\n" @@ -347,6 +362,9 @@ String8 ProgramCache::generateVertexShader(const ProgramDescription& description if (description.hasBitmap) { shader.append(gVS_Header_Uniforms_HasBitmap); } + if (description.isPoint) { + shader.append(gVS_Header_Uniforms_IsPoint); + } // Varyings if (description.hasTexture) { shader.append(gVS_Header_Varyings_HasTexture); @@ -355,7 +373,9 @@ String8 ProgramCache::generateVertexShader(const ProgramDescription& description shader.append(gVS_Header_Varyings_HasGradient[description.gradientType]); } if (description.hasBitmap) { - shader.append(gVS_Header_Varyings_HasBitmap); + shader.append(description.isPoint ? + gVS_Header_Varyings_PointHasBitmap : + gVS_Header_Varyings_HasBitmap); } // Begin the shader @@ -367,7 +387,12 @@ String8 ProgramCache::generateVertexShader(const ProgramDescription& description shader.append(gVS_Main_OutGradient[description.gradientType]); } if (description.hasBitmap) { - shader.append(gVS_Main_OutBitmapTexCoords); + shader.append(description.isPoint ? + gVS_Main_OutPointBitmapTexCoords : + gVS_Main_OutBitmapTexCoords); + } + if (description.isPoint) { + shader.append(gVS_Main_PointSize); } // Output transformed position shader.append(gVS_Main_Position); @@ -399,7 +424,9 @@ String8 ProgramCache::generateFragmentShader(const ProgramDescription& descripti shader.append(gVS_Header_Varyings_HasGradient[description.gradientType]); } if (description.hasBitmap) { - shader.append(gVS_Header_Varyings_HasBitmap); + shader.append(description.isPoint ? + gVS_Header_Varyings_PointHasBitmap : + gVS_Header_Varyings_HasBitmap); } // Uniforms @@ -417,9 +444,13 @@ String8 ProgramCache::generateFragmentShader(const ProgramDescription& descripti if (description.hasGradient) { shader.append(gFS_Uniforms_GradientSampler[description.gradientType]); } + if (description.hasBitmap && description.isPoint) { + shader.append(gFS_Header_Uniforms_PointHasBitmap); + } // Optimization for common cases - if (!blendFramebuffer && description.colorOp == ProgramDescription::kColorNone) { + if (!blendFramebuffer && description.colorOp == ProgramDescription::kColorNone && + !description.isPoint) { bool fast = false; const bool noShader = !description.hasGradient && !description.hasBitmap; @@ -507,6 +538,9 @@ String8 ProgramCache::generateFragmentShader(const ProgramDescription& descripti shader.append(gFS_Main_FetchGradient[description.gradientType]); } if (description.hasBitmap) { + if (description.isPoint) { + shader.append(gFS_Main_PointBitmapTexCoords); + } if (!description.isBitmapNpot) { shader.append(gFS_Main_FetchBitmap); } else { |