397     String8 shader(gVS_Header_Attributes);  in generateVertexShader()  local
399         shader.append(gVS_Header_Attributes_TexCoords);  in generateVertexShader()
402         shader.append(gVS_Header_Attributes_AAParameters);  in generateVertexShader()
405     shader.append(gVS_Header_Uniforms);  in generateVertexShader()
407         shader.append(gVS_Header_Uniforms_TextureTransform);  in generateVertexShader()
410         shader.append(gVS_Header_Uniforms_HasGradient[description.gradientType]);  in generateVertexShader()
413         shader.append(gVS_Header_Uniforms_HasBitmap);  in generateVertexShader()
416         shader.append(gVS_Header_Uniforms_IsPoint);  in generateVertexShader()
420         shader.append(gVS_Header_Varyings_HasTexture);  in generateVertexShader()
423         shader.append(gVS_Header_Varyings_IsAA);  in generateVertexShader()
426         shader.append(gVS_Header_Varyings_HasGradient[description.gradientType]);  in generateVertexShader()
430         shader.append(description.isPoint ?  in generateVertexShader()
436     shader.append(gVS_Main); {  in generateVertexShader()
438             shader.append(gVS_Main_OutTransformedTexCoords);  in generateVertexShader()
440             shader.append(gVS_Main_OutTexCoords);  in generateVertexShader()
443             shader.append(gVS_Main_AA);  in generateVertexShader()
446             shader.append(gVS_Main_OutGradient[description.gradientType]);  in generateVertexShader()
449             shader.append(description.isPoint ?  in generateVertexShader()
454             shader.append(gVS_Main_PointSize);  in generateVertexShader()
457         shader.append(gVS_Main_Position);  in generateVertexShader()
460     shader.append(gVS_Footer);  in generateVertexShader()
462     PROGRAM_LOGD("*** Generated vertex shader:\n\n%s", shader.string());  in generateVertexShader()
464     return shader;  in generateVertexShader()
468     String8 shader;  in generateFragmentShader()  local
472         shader.append(gFS_Header_Extension_FramebufferFetch);  in generateFragmentShader()
475         shader.append(gFS_Header_Extension_ExternalTexture);  in generateFragmentShader()
478     shader.append(gFS_Header);  in generateFragmentShader()
482         shader.append(gVS_Header_Varyings_HasTexture);  in generateFragmentShader()
485         shader.append(gVS_Header_Varyings_IsAA);  in generateFragmentShader()
488         shader.append(gVS_Header_Varyings_HasGradient[description.gradientType]);  in generateFragmentShader()
492         shader.append(description.isPoint ?  in generateFragmentShader()
503         shader.append(gFS_Uniforms_Color);  in generateFragmentShader()
507         shader.append(gFS_Uniforms_TextureSampler);  in generateFragmentShader()
509         shader.append(gFS_Uniforms_ExternalTextureSampler);  in generateFragmentShader()
512         shader.append(gFS_Uniforms_AA);  in generateFragmentShader()
515         shader.append(gFS_Uniforms_GradientSampler[description.gradientType]);  in generateFragmentShader()
518         shader.append(gFS_Header_Uniforms_PointHasBitmap);  in generateFragmentShader()
536             shader.append(gFS_Fast_SingleColor);  in generateFragmentShader()
540                 shader.append(gFS_Fast_SingleTexture);  in generateFragmentShader()
542                 shader.append(gFS_Fast_SingleModulateTexture);  in generateFragmentShader()
547                 shader.append(gFS_Fast_SingleA8Texture);  in generateFragmentShader()
549                 shader.append(gFS_Fast_SingleModulateA8Texture);  in generateFragmentShader()
554                 shader.append(gFS_Fast_SingleGradient);  in generateFragmentShader()
556                 shader.append(gFS_Fast_SingleModulateGradient);  in generateFragmentShader()
565                 printLongString(shader);  in generateFragmentShader()
568             return shader;  in generateFragmentShader()
573         shader.append(gFS_Uniforms_BitmapSampler);  in generateFragmentShader()
575     shader.append(gFS_Uniforms_ColorOp[description.colorOp]);  in generateFragmentShader()
579         generateBlend(shader, "blendShaders", description.shadersMode);  in generateFragmentShader()
582         generateBlend(shader, "blendColors", description.colorMode);  in generateFragmentShader()
585         generateBlend(shader, "blendFramebuffer", description.framebufferMode);  in generateFragmentShader()
588         generateTextureWrap(shader, description.bitmapWrapS, description.bitmapWrapT);  in generateFragmentShader()
592     shader.append(gFS_Main); {  in generateFragmentShader()
597                     shader.append(gFS_Main_FetchA8Texture[modulateOp]);  in generateFragmentShader()
600                 shader.append(gFS_Main_FetchTexture[modulateOp]);  in generateFragmentShader()
604                 shader.append(gFS_Main_FetchColor);  in generateFragmentShader()
608             shader.append(gFS_Main_AccountForAA);  in generateFragmentShader()
611             shader.append(gFS_Main_FetchGradient[description.gradientType]);  in generateFragmentShader()
615                 shader.append(gFS_Main_PointBitmapTexCoords);  in generateFragmentShader()
618                 shader.append(gFS_Main_FetchBitmap);  in generateFragmentShader()
620                 shader.append(gFS_Main_FetchBitmapNpot);  in generateFragmentShader()
628                 shader.append(gFS_Main_BlendShadersBG);  in generateFragmentShader()
630                 shader.append(gFS_Main_BlendShadersGB);  in generateFragmentShader()
632             shader.append(gFS_Main_BlendShaders_Modulate[op]);  in generateFragmentShader()
637                 shader.append(gFS_Main_GradientShader_Modulate[op]);  in generateFragmentShader()
641                 shader.append(gFS_Main_BitmapShader_Modulate[op]);  in generateFragmentShader()
646             shader.append(gFS_Main_ModulateColor);  in generateFragmentShader()
649         shader.append(gFS_Main_ApplyColorOp[description.colorOp]);  in generateFragmentShader()
652             shader.append(gFS_Main_FragColor);  in generateFragmentShader()
654             shader.append(!description.swapSrcDst ?  in generateFragmentShader()
659     shader.append(gFS_Footer);  in generateFragmentShader()
663         printLongString(shader);  in generateFragmentShader()
666     return shader;  in generateFragmentShader()
669 void ProgramCache::generateBlend(String8& shader, const char* name, SkXfermode::Mode mode) {  in generateBlend()  argument
670     shader.append("\nvec4 ");  in generateBlend()
671     shader.append(name);  in generateBlend()
672     shader.append("(vec4 src, vec4 dst) {\n");  in generateBlend()
673     shader.append("    ");  in generateBlend()
674     shader.append(gBlendOps[mode]);  in generateBlend()
675     shader.append("}\n");  in generateBlend()
678 void ProgramCache::generateTextureWrap(String8& shader, GLenum wrapS, GLenum wrapT) {  in generateTextureWrap()  argument
679     shader.append("\nvec2 wrap(vec2 texCoords) {\n");  in generateTextureWrap()
681         shader.append("    float xMod2 = mod(texCoords.x, 2.0);\n");  in generateTextureWrap()
682         shader.append("    if (xMod2 > 1.0) xMod2 = 2.0 - xMod2;\n");  in generateTextureWrap()
685         shader.append("    float yMod2 = mod(texCoords.y, 2.0);\n");  in generateTextureWrap()
686         shader.append("    if (yMod2 > 1.0) yMod2 = 2.0 - yMod2;\n");  in generateTextureWrap()
688     shader.append("    return vec2(");  in generateTextureWrap()
691             shader.append("texCoords.x");  in generateTextureWrap()
694             shader.append("mod(texCoords.x, 1.0)");  in generateTextureWrap()
697             shader.append("xMod2");  in generateTextureWrap()
700     shader.append(", ");  in generateTextureWrap()
703             shader.append("texCoords.y");  in generateTextureWrap()
706             shader.append("mod(texCoords.y, 1.0)");  in generateTextureWrap()
709             shader.append("yMod2");  in generateTextureWrap()
712     shader.append(");\n");  in generateTextureWrap()
713     shader.append("}\n");  in generateTextureWrap()
716 void ProgramCache::printLongString(const String8& shader) const {  in printLongString()
719     const char* str = shader.string();  in printLongString()
720     while ((index = shader.find("\n", index)) > -1) {  in printLongString()