/* * Copyright 2018 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ /************************************************************************************************** *** This file was autogenerated from GrUnrolledBinaryGradientColorizer.fp; do not modify. **************************************************************************************************/ #include "GrUnrolledBinaryGradientColorizer.h" #include "glsl/GrGLSLFragmentProcessor.h" #include "glsl/GrGLSLFragmentShaderBuilder.h" #include "glsl/GrGLSLProgramBuilder.h" #include "GrTexture.h" #include "SkSLCPP.h" #include "SkSLUtil.h" class GrGLSLUnrolledBinaryGradientColorizer : public GrGLSLFragmentProcessor { public: GrGLSLUnrolledBinaryGradientColorizer() {} void emitCode(EmitArgs& args) override { GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; const GrUnrolledBinaryGradientColorizer& _outer = args.fFp.cast(); (void)_outer; auto intervalCount = _outer.intervalCount(); (void)intervalCount; auto scale0_1 = _outer.scale0_1(); (void)scale0_1; auto scale2_3 = _outer.scale2_3(); (void)scale2_3; auto scale4_5 = _outer.scale4_5(); (void)scale4_5; auto scale6_7 = _outer.scale6_7(); (void)scale6_7; auto scale8_9 = _outer.scale8_9(); (void)scale8_9; auto scale10_11 = _outer.scale10_11(); (void)scale10_11; auto scale12_13 = _outer.scale12_13(); (void)scale12_13; auto scale14_15 = _outer.scale14_15(); (void)scale14_15; auto bias0_1 = _outer.bias0_1(); (void)bias0_1; auto bias2_3 = _outer.bias2_3(); (void)bias2_3; auto bias4_5 = _outer.bias4_5(); (void)bias4_5; auto bias6_7 = _outer.bias6_7(); (void)bias6_7; auto bias8_9 = _outer.bias8_9(); (void)bias8_9; auto bias10_11 = _outer.bias10_11(); (void)bias10_11; auto bias12_13 = _outer.bias12_13(); (void)bias12_13; auto bias14_15 = _outer.bias14_15(); (void)bias14_15; auto thresholds1_7 = _outer.thresholds1_7(); (void)thresholds1_7; auto thresholds9_13 = _outer.thresholds9_13(); (void)thresholds9_13; fScale0_1Var = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "scale0_1"); if (intervalCount > 1) { fScale2_3Var = args.fUniformHandler->addUniform( kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "scale2_3"); } if (intervalCount > 2) { fScale4_5Var = args.fUniformHandler->addUniform( kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "scale4_5"); } if (intervalCount > 3) { fScale6_7Var = args.fUniformHandler->addUniform( kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "scale6_7"); } if (intervalCount > 4) { fScale8_9Var = args.fUniformHandler->addUniform( kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "scale8_9"); } if (intervalCount > 5) { fScale10_11Var = args.fUniformHandler->addUniform( kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "scale10_11"); } if (intervalCount > 6) { fScale12_13Var = args.fUniformHandler->addUniform( kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "scale12_13"); } if (intervalCount > 7) { fScale14_15Var = args.fUniformHandler->addUniform( kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "scale14_15"); } fBias0_1Var = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "bias0_1"); if (intervalCount > 1) { fBias2_3Var = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "bias2_3"); } if (intervalCount > 2) { fBias4_5Var = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "bias4_5"); } if (intervalCount > 3) { fBias6_7Var = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "bias6_7"); } if (intervalCount > 4) { fBias8_9Var = args.fUniformHandler->addUniform(kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "bias8_9"); } if (intervalCount > 5) { fBias10_11Var = args.fUniformHandler->addUniform( kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "bias10_11"); } if (intervalCount > 6) { fBias12_13Var = args.fUniformHandler->addUniform( kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "bias12_13"); } if (intervalCount > 7) { fBias14_15Var = args.fUniformHandler->addUniform( kFragment_GrShaderFlag, kFloat4_GrSLType, kDefault_GrSLPrecision, "bias14_15"); } fThresholds1_7Var = args.fUniformHandler->addUniform( kFragment_GrShaderFlag, kHalf4_GrSLType, kDefault_GrSLPrecision, "thresholds1_7"); fThresholds9_13Var = args.fUniformHandler->addUniform( kFragment_GrShaderFlag, kHalf4_GrSLType, kDefault_GrSLPrecision, "thresholds9_13"); fragBuilder->codeAppendf( "half t = %s.x;\nfloat4 scale, bias;\nif (%d <= 4 || t < %s.w) {\n if (%d <= 2 " "|| t < %s.y) {\n if (%d <= 1 || t < %s.x) {\n scale = %s;\n " " bias = %s;\n } else {\n scale = %s;\n bias = " "%s;\n }\n } else {\n if (%d <= 3 || t < %s.z) {\n " "scale = %s;\n bias = %s;\n } else {\n scale = %s;\n " " bias = %s;\n }\n }\n} else {\n if (%d <= 6 || t < %s.y) " "{\n if (%d <= 5 || t <", args.fInputColor, _outer.intervalCount(), args.fUniformHandler->getUniformCStr(fThresholds1_7Var), _outer.intervalCount(), args.fUniformHandler->getUniformCStr(fThresholds1_7Var), _outer.intervalCount(), args.fUniformHandler->getUniformCStr(fThresholds1_7Var), args.fUniformHandler->getUniformCStr(fScale0_1Var), args.fUniformHandler->getUniformCStr(fBias0_1Var), fScale2_3Var.isValid() ? args.fUniformHandler->getUniformCStr(fScale2_3Var) : "float4(0)", fBias2_3Var.isValid() ? args.fUniformHandler->getUniformCStr(fBias2_3Var) : "float4(0)", _outer.intervalCount(), args.fUniformHandler->getUniformCStr(fThresholds1_7Var), fScale4_5Var.isValid() ? args.fUniformHandler->getUniformCStr(fScale4_5Var) : "float4(0)", fBias4_5Var.isValid() ? args.fUniformHandler->getUniformCStr(fBias4_5Var) : "float4(0)", fScale6_7Var.isValid() ? args.fUniformHandler->getUniformCStr(fScale6_7Var) : "float4(0)", fBias6_7Var.isValid() ? args.fUniformHandler->getUniformCStr(fBias6_7Var) : "float4(0)", _outer.intervalCount(), args.fUniformHandler->getUniformCStr(fThresholds9_13Var), _outer.intervalCount()); fragBuilder->codeAppendf( " %s.x) {\n scale = %s;\n bias = %s;\n } else {\n " " scale = %s;\n bias = %s;\n }\n } else {\n if " "(%d <= 7 || t < %s.z) {\n scale = %s;\n bias = %s;\n " "} else {\n scale = %s;\n bias = %s;\n }\n " "}\n}\n%s = half4(float(t) * scale + bias);\n", args.fUniformHandler->getUniformCStr(fThresholds9_13Var), fScale8_9Var.isValid() ? args.fUniformHandler->getUniformCStr(fScale8_9Var) : "float4(0)", fBias8_9Var.isValid() ? args.fUniformHandler->getUniformCStr(fBias8_9Var) : "float4(0)", fScale10_11Var.isValid() ? args.fUniformHandler->getUniformCStr(fScale10_11Var) : "float4(0)", fBias10_11Var.isValid() ? args.fUniformHandler->getUniformCStr(fBias10_11Var) : "float4(0)", _outer.intervalCount(), args.fUniformHandler->getUniformCStr(fThresholds9_13Var), fScale12_13Var.isValid() ? args.fUniformHandler->getUniformCStr(fScale12_13Var) : "float4(0)", fBias12_13Var.isValid() ? args.fUniformHandler->getUniformCStr(fBias12_13Var) : "float4(0)", fScale14_15Var.isValid() ? args.fUniformHandler->getUniformCStr(fScale14_15Var) : "float4(0)", fBias14_15Var.isValid() ? args.fUniformHandler->getUniformCStr(fBias14_15Var) : "float4(0)", args.fOutputColor); } private: void onSetData(const GrGLSLProgramDataManager& pdman, const GrFragmentProcessor& _proc) override { const GrUnrolledBinaryGradientColorizer& _outer = _proc.cast(); { pdman.set4fv(fScale0_1Var, 1, (_outer.scale0_1()).vec()); if (fScale2_3Var.isValid()) { pdman.set4fv(fScale2_3Var, 1, (_outer.scale2_3()).vec()); } if (fScale4_5Var.isValid()) { pdman.set4fv(fScale4_5Var, 1, (_outer.scale4_5()).vec()); } if (fScale6_7Var.isValid()) { pdman.set4fv(fScale6_7Var, 1, (_outer.scale6_7()).vec()); } if (fScale8_9Var.isValid()) { pdman.set4fv(fScale8_9Var, 1, (_outer.scale8_9()).vec()); } if (fScale10_11Var.isValid()) { pdman.set4fv(fScale10_11Var, 1, (_outer.scale10_11()).vec()); } if (fScale12_13Var.isValid()) { pdman.set4fv(fScale12_13Var, 1, (_outer.scale12_13()).vec()); } if (fScale14_15Var.isValid()) { pdman.set4fv(fScale14_15Var, 1, (_outer.scale14_15()).vec()); } pdman.set4fv(fBias0_1Var, 1, (_outer.bias0_1()).vec()); if (fBias2_3Var.isValid()) { pdman.set4fv(fBias2_3Var, 1, (_outer.bias2_3()).vec()); } if (fBias4_5Var.isValid()) { pdman.set4fv(fBias4_5Var, 1, (_outer.bias4_5()).vec()); } if (fBias6_7Var.isValid()) { pdman.set4fv(fBias6_7Var, 1, (_outer.bias6_7()).vec()); } if (fBias8_9Var.isValid()) { pdman.set4fv(fBias8_9Var, 1, (_outer.bias8_9()).vec()); } if (fBias10_11Var.isValid()) { pdman.set4fv(fBias10_11Var, 1, (_outer.bias10_11()).vec()); } if (fBias12_13Var.isValid()) { pdman.set4fv(fBias12_13Var, 1, (_outer.bias12_13()).vec()); } if (fBias14_15Var.isValid()) { pdman.set4fv(fBias14_15Var, 1, (_outer.bias14_15()).vec()); } pdman.set4fv(fThresholds1_7Var, 1, reinterpret_cast(&(_outer.thresholds1_7()))); pdman.set4fv(fThresholds9_13Var, 1, reinterpret_cast(&(_outer.thresholds9_13()))); } } UniformHandle fScale0_1Var; UniformHandle fScale2_3Var; UniformHandle fScale4_5Var; UniformHandle fScale6_7Var; UniformHandle fScale8_9Var; UniformHandle fScale10_11Var; UniformHandle fScale12_13Var; UniformHandle fScale14_15Var; UniformHandle fBias0_1Var; UniformHandle fBias2_3Var; UniformHandle fBias4_5Var; UniformHandle fBias6_7Var; UniformHandle fBias8_9Var; UniformHandle fBias10_11Var; UniformHandle fBias12_13Var; UniformHandle fBias14_15Var; UniformHandle fThresholds1_7Var; UniformHandle fThresholds9_13Var; }; GrGLSLFragmentProcessor* GrUnrolledBinaryGradientColorizer::onCreateGLSLInstance() const { return new GrGLSLUnrolledBinaryGradientColorizer(); } void GrUnrolledBinaryGradientColorizer::onGetGLSLProcessorKey(const GrShaderCaps& caps, GrProcessorKeyBuilder* b) const { b->add32((int32_t)fIntervalCount); } bool GrUnrolledBinaryGradientColorizer::onIsEqual(const GrFragmentProcessor& other) const { const GrUnrolledBinaryGradientColorizer& that = other.cast(); (void)that; if (fIntervalCount != that.fIntervalCount) return false; if (fScale0_1 != that.fScale0_1) return false; if (fScale2_3 != that.fScale2_3) return false; if (fScale4_5 != that.fScale4_5) return false; if (fScale6_7 != that.fScale6_7) return false; if (fScale8_9 != that.fScale8_9) return false; if (fScale10_11 != that.fScale10_11) return false; if (fScale12_13 != that.fScale12_13) return false; if (fScale14_15 != that.fScale14_15) return false; if (fBias0_1 != that.fBias0_1) return false; if (fBias2_3 != that.fBias2_3) return false; if (fBias4_5 != that.fBias4_5) return false; if (fBias6_7 != that.fBias6_7) return false; if (fBias8_9 != that.fBias8_9) return false; if (fBias10_11 != that.fBias10_11) return false; if (fBias12_13 != that.fBias12_13) return false; if (fBias14_15 != that.fBias14_15) return false; if (fThresholds1_7 != that.fThresholds1_7) return false; if (fThresholds9_13 != that.fThresholds9_13) return false; return true; } GrUnrolledBinaryGradientColorizer::GrUnrolledBinaryGradientColorizer( const GrUnrolledBinaryGradientColorizer& src) : INHERITED(kGrUnrolledBinaryGradientColorizer_ClassID, src.optimizationFlags()) , fIntervalCount(src.fIntervalCount) , fScale0_1(src.fScale0_1) , fScale2_3(src.fScale2_3) , fScale4_5(src.fScale4_5) , fScale6_7(src.fScale6_7) , fScale8_9(src.fScale8_9) , fScale10_11(src.fScale10_11) , fScale12_13(src.fScale12_13) , fScale14_15(src.fScale14_15) , fBias0_1(src.fBias0_1) , fBias2_3(src.fBias2_3) , fBias4_5(src.fBias4_5) , fBias6_7(src.fBias6_7) , fBias8_9(src.fBias8_9) , fBias10_11(src.fBias10_11) , fBias12_13(src.fBias12_13) , fBias14_15(src.fBias14_15) , fThresholds1_7(src.fThresholds1_7) , fThresholds9_13(src.fThresholds9_13) {} std::unique_ptr GrUnrolledBinaryGradientColorizer::clone() const { return std::unique_ptr(new GrUnrolledBinaryGradientColorizer(*this)); } static const int kMaxIntervals = 8; std::unique_ptr GrUnrolledBinaryGradientColorizer::Make( const SkPMColor4f* colors, const SkScalar* positions, int count) { // Depending on how the positions resolve into hard stops or regular stops, the number of // intervals specified by the number of colors/positions can change. For instance, a plain // 3 color gradient is two intervals, but a 4 color gradient with a hard stop is also // two intervals. At the most extreme end, an 8 interval gradient made entirely of hard // stops has 16 colors. if (count > kMaxColorCount) { // Definitely cannot represent this gradient configuration return nullptr; } // The raster implementation also uses scales and biases, but since they must be calculated // after the dst color space is applied, it limits our ability to cache their values. SkPMColor4f scales[kMaxIntervals]; SkPMColor4f biases[kMaxIntervals]; SkScalar thresholds[kMaxIntervals]; int intervalCount = 0; for (int i = 0; i < count - 1; i++) { if (intervalCount >= kMaxIntervals) { // Already reached kMaxIntervals, and haven't run out of color stops so this // gradient cannot be represented by this shader. return nullptr; } SkScalar t0 = positions[i]; SkScalar t1 = positions[i + 1]; SkScalar dt = t1 - t0; // If the interval is empty, skip to the next interval. This will automatically create // distinct hard stop intervals as needed. It also protects against malformed gradients // that have repeated hard stops at the very beginning that are effectively unreachable. if (SkScalarNearlyZero(dt)) { continue; } auto c0 = Sk4f::Load(colors[i].vec()); auto c1 = Sk4f::Load(colors[i + 1].vec()); auto scale = (c1 - c0) / dt; auto bias = c0 - t0 * scale; scale.store(scales + intervalCount); bias.store(biases + intervalCount); thresholds[intervalCount] = t1; intervalCount++; } // For isEqual to make sense, set the unused values to something consistent for (int i = intervalCount; i < kMaxIntervals; i++) { scales[i] = SK_PMColor4fTRANSPARENT; biases[i] = SK_PMColor4fTRANSPARENT; thresholds[i] = 0.0; } return std::unique_ptr(new GrUnrolledBinaryGradientColorizer( intervalCount, scales[0], scales[1], scales[2], scales[3], scales[4], scales[5], scales[6], scales[7], biases[0], biases[1], biases[2], biases[3], biases[4], biases[5], biases[6], biases[7], SkRect::MakeLTRB(thresholds[0], thresholds[1], thresholds[2], thresholds[3]), SkRect::MakeLTRB(thresholds[4], thresholds[5], thresholds[6], 0.0))); }