src/gpu/effects/GrConvexPolyEffect.cpp - Issue 491673002: Initial refactor of shaderbuilder

Unified Diff: src/gpu/effects/GrConvexPolyEffect.cpp

Issue 491673002: Initial refactor of shaderbuilder (Closed) Base URL: https://skia.googlesource.com/skia.git@master

Patch Set: Created 6 years, 4 months ago

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Index: src/gpu/effects/GrConvexPolyEffect.cpp

diff --git a/src/gpu/effects/GrConvexPolyEffect.cpp b/src/gpu/effects/GrConvexPolyEffect.cpp

index 41911c12b017f07ffe99b1c4653004ba30b966eb..71a8befece6c788d4adbdd4e365cea31a395355c 100644

--- a/src/gpu/effects/GrConvexPolyEffect.cpp

+++ b/src/gpu/effects/GrConvexPolyEffect.cpp

@@ -5,10 +5,10 @@

* found in the LICENSE file.

+#include "gl/builders/GrGLProgramBuilder.h"

#include "GrConvexPolyEffect.h"

#include "gl/GrGLEffect.h"

-#include "gl/GrGLShaderBuilder.h"

#include "gl/GrGLSL.h"

#include "GrTBackendEffectFactory.h"

@@ -89,7 +89,7 @@ class GLAARectEffect : public GrGLEffect {

public:

GLAARectEffect(const GrBackendEffectFactory&, const GrDrawEffect&);

- virtual void emitCode(GrGLShaderBuilder* builder,

+ virtual void emitCode(GrGLProgramBuilder* builder,

const GrDrawEffect& drawEffect,

const GrEffectKey& key,

const char* outputColor,

@@ -113,7 +113,7 @@ GLAARectEffect::GLAARectEffect(const GrBackendEffectFactory& factory,

fPrevRect.fLeft = SK_ScalarNaN;

}

-void GLAARectEffect::emitCode(GrGLShaderBuilder* builder,

+void GLAARectEffect::emitCode(GrGLProgramBuilder* builder,

const GrDrawEffect& drawEffect,

const GrEffectKey& key,

const char* outputColor,

@@ -124,34 +124,36 @@ void GLAARectEffect::emitCode(GrGLShaderBuilder* builder,

const char *rectName;

// The rect uniform's xyzw refer to (left + 0.5, top + 0.5, right - 0.5, bottom - 0.5),

// respectively.

- fRectUniform = builder->addUniform(GrGLShaderBuilder::kFragment_Visibility,

+ fRectUniform = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,

kVec4f_GrSLType,

"rect",

&rectName);

- const char* fragmentPos = builder->fragmentPosition();

+ GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder();

+ const char* fragmentPos = fsBuilder->fragmentPosition();

if (GrEffectEdgeTypeIsAA(aare.getEdgeType())) {

// The amount of coverage removed in x and y by the edges is computed as a pair of negative

// numbers, xSub and ySub.

- builder->fsCodeAppend("\t\tfloat xSub, ySub;\n");

- builder->fsCodeAppendf("\t\txSub = min(%s.x - %s.x, 0.0);\n", fragmentPos, rectName);

- builder->fsCodeAppendf("\t\txSub += min(%s.z - %s.x, 0.0);\n", rectName, fragmentPos);

- builder->fsCodeAppendf("\t\tySub = min(%s.y - %s.y, 0.0);\n", fragmentPos, rectName);

- builder->fsCodeAppendf("\t\tySub += min(%s.w - %s.y, 0.0);\n", rectName, fragmentPos);

+ fsBuilder->codeAppend("\t\tfloat xSub, ySub;\n");

+ fsBuilder->codeAppendf("\t\txSub = min(%s.x - %s.x, 0.0);\n", fragmentPos, rectName);

+ fsBuilder->codeAppendf("\t\txSub += min(%s.z - %s.x, 0.0);\n", rectName, fragmentPos);

+ fsBuilder->codeAppendf("\t\tySub = min(%s.y - %s.y, 0.0);\n", fragmentPos, rectName);

+ fsBuilder->codeAppendf("\t\tySub += min(%s.w - %s.y, 0.0);\n", rectName, fragmentPos);

// Now compute coverage in x and y and multiply them to get the fraction of the pixel

// covered.

- builder->fsCodeAppendf("\t\tfloat alpha = (1.0 + max(xSub, -1.0)) * (1.0 + max(ySub, -1.0));\n");

+ fsBuilder->codeAppendf("\t\tfloat alpha = (1.0 + max(xSub, -1.0)) * (1.0 + max(ySub, -1.0));\n");

} else {

- builder->fsCodeAppendf("\t\tfloat alpha = 1.0;\n");

- builder->fsCodeAppendf("\t\talpha *= (%s.x - %s.x) > -0.5 ? 1.0 : 0.0;\n", fragmentPos, rectName);

- builder->fsCodeAppendf("\t\talpha *= (%s.z - %s.x) > -0.5 ? 1.0 : 0.0;\n", rectName, fragmentPos);

- builder->fsCodeAppendf("\t\talpha *= (%s.y - %s.y) > -0.5 ? 1.0 : 0.0;\n", fragmentPos, rectName);

- builder->fsCodeAppendf("\t\talpha *= (%s.w - %s.y) > -0.5 ? 1.0 : 0.0;\n", rectName, fragmentPos);

+ fsBuilder->codeAppendf("\t\tfloat alpha = 1.0;\n");

+ fsBuilder->codeAppendf("\t\talpha *= (%s.x - %s.x) > -0.5 ? 1.0 : 0.0;\n", fragmentPos, rectName);

+ fsBuilder->codeAppendf("\t\talpha *= (%s.z - %s.x) > -0.5 ? 1.0 : 0.0;\n", rectName, fragmentPos);

+ fsBuilder->codeAppendf("\t\talpha *= (%s.y - %s.y) > -0.5 ? 1.0 : 0.0;\n", fragmentPos, rectName);

+ fsBuilder->codeAppendf("\t\talpha *= (%s.w - %s.y) > -0.5 ? 1.0 : 0.0;\n", rectName, fragmentPos);

}

if (GrEffectEdgeTypeIsInverseFill(aare.getEdgeType())) {

- builder->fsCodeAppend("\t\talpha = 1.0 - alpha;\n");

+ fsBuilder->codeAppend("\t\talpha = 1.0 - alpha;\n");

}

- builder->fsCodeAppendf("\t\t%s = %s;\n", outputColor,

+ fsBuilder->codeAppendf("\t\t%s = %s;\n", outputColor,

(GrGLSLExpr4(inputColor) * GrGLSLExpr1("alpha")).c_str());

}

@@ -181,7 +183,7 @@ class GrGLConvexPolyEffect : public GrGLEffect {

public:

GrGLConvexPolyEffect(const GrBackendEffectFactory&, const GrDrawEffect&);

- virtual void emitCode(GrGLShaderBuilder* builder,

+ virtual void emitCode(GrGLProgramBuilder* builder,

const GrDrawEffect& drawEffect,

const GrEffectKey& key,

const char* outputColor,

@@ -205,7 +207,7 @@ GrGLConvexPolyEffect::GrGLConvexPolyEffect(const GrBackendEffectFactory& factory

fPrevEdges[0] = SK_ScalarNaN;

}

-void GrGLConvexPolyEffect::emitCode(GrGLShaderBuilder* builder,

+void GrGLConvexPolyEffect::emitCode(GrGLProgramBuilder* builder,

const GrDrawEffect& drawEffect,

const GrEffectKey& key,

const char* outputColor,

@@ -215,34 +217,35 @@ void GrGLConvexPolyEffect::emitCode(GrGLShaderBuilder* builder,

const GrConvexPolyEffect& cpe = drawEffect.castEffect<GrConvexPolyEffect>();

const char *edgeArrayName;

- fEdgeUniform = builder->addUniformArray(GrGLShaderBuilder::kFragment_Visibility,

+ fEdgeUniform = builder->addUniformArray(GrGLProgramBuilder::kFragment_Visibility,

kVec3f_GrSLType,

"edges",

cpe.getEdgeCount(),

&edgeArrayName);

- builder->fsCodeAppend("\t\tfloat alpha = 1.0;\n");

- builder->fsCodeAppend("\t\tfloat edge;\n");

- const char* fragmentPos = builder->fragmentPosition();

+ GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder();

+ fsBuilder->codeAppend("\t\tfloat alpha = 1.0;\n");

+ fsBuilder->codeAppend("\t\tfloat edge;\n");

+ const char* fragmentPos = fsBuilder->fragmentPosition();

for (int i = 0; i < cpe.getEdgeCount(); ++i) {

- builder->fsCodeAppendf("\t\tedge = dot(%s[%d], vec3(%s.x, %s.y, 1));\n",

+ fsBuilder->codeAppendf("\t\tedge = dot(%s[%d], vec3(%s.x, %s.y, 1));\n",

edgeArrayName, i, fragmentPos, fragmentPos);

if (GrEffectEdgeTypeIsAA(cpe.getEdgeType())) {

- builder->fsCodeAppend("\t\tedge = clamp(edge, 0.0, 1.0);\n");

+ fsBuilder->codeAppend("\t\tedge = clamp(edge, 0.0, 1.0);\n");

} else {

- builder->fsCodeAppend("\t\tedge = edge >= 0.5 ? 1.0 : 0.0;\n");

+ fsBuilder->codeAppend("\t\tedge = edge >= 0.5 ? 1.0 : 0.0;\n");

}

- builder->fsCodeAppend("\t\talpha *= edge;\n");

+ fsBuilder->codeAppend("\t\talpha *= edge;\n");

}

// Woe is me. See skbug.com/2149.

if (kTegra2_GrGLRenderer == builder->ctxInfo().renderer()) {

- builder->fsCodeAppend("\t\tif (-1.0 == alpha) {\n\t\t\tdiscard;\n\t\t}\n");

+ fsBuilder->codeAppend("\t\tif (-1.0 == alpha) {\n\t\t\tdiscard;\n\t\t}\n");

}

if (GrEffectEdgeTypeIsInverseFill(cpe.getEdgeType())) {

- builder->fsCodeAppend("\talpha = 1.0 - alpha;\n");

+ fsBuilder->codeAppend("\talpha = 1.0 - alpha;\n");

}

- builder->fsCodeAppendf("\t%s = %s;\n", outputColor,

+ fsBuilder->codeAppendf("\t%s = %s;\n", outputColor,

(GrGLSLExpr4(inputColor) * GrGLSLExpr1("alpha")).c_str());

}

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