diff options
Diffstat (limited to 'libs/hwui/ProgramCache.cpp')
| -rw-r--r-- | libs/hwui/ProgramCache.cpp | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/libs/hwui/ProgramCache.cpp b/libs/hwui/ProgramCache.cpp index 80b1917809ca..62ac2baaf7b6 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_Attributes_Distance = "attribute float vtxDistance;\n"; +const char* gVS_Header_Uniforms_TextureTransform = + "uniform mat4 mainTextureTransform;\n"; const char* gVS_Header_Uniforms = "uniform mat4 transform;\n"; const char* gVS_Header_Uniforms_IsPoint = @@ -76,6 +78,8 @@ const char* gVS_Main = "\nvoid main(void) {\n"; const char* gVS_Main_OutTexCoords = " outTexCoords = texCoords;\n"; +const char* gVS_Main_OutTransformedTexCoords = + " outTexCoords = (mainTextureTransform * vec4(texCoords, 0.0, 1.0)).xy;\n"; const char* gVS_Main_OutGradient[3] = { // Linear " linear = vec2((screenSpace * position).x, 0.5);\n", @@ -103,6 +107,8 @@ const char* gVS_Footer = const char* gFS_Header_Extension_FramebufferFetch = "#extension GL_NV_shader_framebuffer_fetch : enable\n\n"; +const char* gFS_Header_Extension_ExternalTexture = + "#extension GL_OES_EGL_image_external : require\n\n"; const char* gFS_Header = "precision mediump float;\n\n"; const char* gFS_Uniforms_Color = @@ -116,6 +122,8 @@ const char* gFS_Header_Uniforms_PointHasBitmap = "uniform float pointSize;\n"; const char* gFS_Uniforms_TextureSampler = "uniform sampler2D sampler;\n"; +const char* gFS_Uniforms_ExternalTextureSampler = + "uniform samplerExternalOES sampler;\n"; const char* gFS_Uniforms_GradientSampler[3] = { // Linear "uniform sampler2D gradientSampler;\n", @@ -369,7 +377,7 @@ Program* ProgramCache::generateProgram(const ProgramDescription& description, pr String8 ProgramCache::generateVertexShader(const ProgramDescription& description) { // Add attributes String8 shader(gVS_Header_Attributes); - if (description.hasTexture) { + if (description.hasTexture || description.hasExternalTexture) { shader.append(gVS_Header_Attributes_TexCoords); } if (description.hasWidth) { @@ -377,6 +385,9 @@ String8 ProgramCache::generateVertexShader(const ProgramDescription& description } // Uniforms shader.append(gVS_Header_Uniforms); + if (description.hasExternalTexture) { + shader.append(gVS_Header_Uniforms_TextureTransform); + } if (description.hasGradient) { shader.append(gVS_Header_Uniforms_HasGradient[description.gradientType]); } @@ -387,7 +398,7 @@ String8 ProgramCache::generateVertexShader(const ProgramDescription& description shader.append(gVS_Header_Uniforms_IsPoint); } // Varyings - if (description.hasTexture) { + if (description.hasTexture || description.hasExternalTexture) { shader.append(gVS_Header_Varyings_HasTexture); } if (description.hasWidth) { @@ -407,6 +418,9 @@ String8 ProgramCache::generateVertexShader(const ProgramDescription& description if (description.hasTexture) { shader.append(gVS_Main_OutTexCoords); } + if (description.hasExternalTexture) { + shader.append(gVS_Main_OutTransformedTexCoords); + } if (description.hasWidth) { shader.append(gVS_Main_Width); } @@ -440,11 +454,14 @@ String8 ProgramCache::generateFragmentShader(const ProgramDescription& descripti if (blendFramebuffer) { shader.append(gFS_Header_Extension_FramebufferFetch); } + if (description.hasExternalTexture) { + shader.append(gFS_Header_Extension_ExternalTexture); + } shader.append(gFS_Header); // Varyings - if (description.hasTexture) { + if (description.hasTexture || description.hasExternalTexture) { shader.append(gVS_Header_Varyings_HasTexture); } if (description.hasWidth) { @@ -461,7 +478,7 @@ String8 ProgramCache::generateFragmentShader(const ProgramDescription& descripti // Uniforms int modulateOp = MODULATE_OP_NO_MODULATE; - const bool singleColor = !description.hasTexture && + const bool singleColor = !description.hasTexture && !description.hasExternalTexture && !description.hasGradient && !description.hasBitmap; if (description.modulate || singleColor) { @@ -471,6 +488,9 @@ String8 ProgramCache::generateFragmentShader(const ProgramDescription& descripti if (description.hasTexture) { shader.append(gFS_Uniforms_TextureSampler); } + if (description.hasExternalTexture) { + shader.append(gFS_Uniforms_ExternalTextureSampler); + } if (description.hasWidth) { shader.append(gFS_Uniforms_Width); } @@ -487,11 +507,11 @@ String8 ProgramCache::generateFragmentShader(const ProgramDescription& descripti bool fast = false; const bool noShader = !description.hasGradient && !description.hasBitmap; - const bool singleTexture = description.hasTexture && + const bool singleTexture = (description.hasTexture || description.hasExternalTexture) && !description.hasAlpha8Texture && noShader; const bool singleA8Texture = description.hasTexture && description.hasAlpha8Texture && noShader; - const bool singleGradient = !description.hasTexture && + const bool singleGradient = !description.hasTexture && !description.hasExternalTexture && description.hasGradient && !description.hasBitmap && description.gradientType == ProgramDescription::kGradientLinear; @@ -554,7 +574,7 @@ String8 ProgramCache::generateFragmentShader(const ProgramDescription& descripti // Begin the shader shader.append(gFS_Main); { // Stores the result in fragColor directly - if (description.hasTexture) { + if (description.hasTexture || description.hasExternalTexture) { if (description.hasAlpha8Texture) { if (!description.hasGradient && !description.hasBitmap) { shader.append(gFS_Main_FetchA8Texture[modulateOp]); 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