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Diffstat (limited to 'src/gpu/GrOvalRenderer.cpp')
-rw-r--r--src/gpu/GrOvalRenderer.cpp117
1 files changed, 62 insertions, 55 deletions
diff --git a/src/gpu/GrOvalRenderer.cpp b/src/gpu/GrOvalRenderer.cpp
index 395c90be05..dcce889559 100644
--- a/src/gpu/GrOvalRenderer.cpp
+++ b/src/gpu/GrOvalRenderer.cpp
@@ -5,12 +5,12 @@
* found in the LICENSE file.
*/
+#include "gl/builders/GrGLProgramBuilder.h"
#include "GrOvalRenderer.h"
#include "GrEffect.h"
#include "gl/GrGLEffect.h"
#include "gl/GrGLSL.h"
-#include "gl/GrGLShaderBuilder.h"
#include "gl/GrGLVertexEffect.h"
#include "GrTBackendEffectFactory.h"
@@ -95,7 +95,7 @@ public:
GLEffect(const GrBackendEffectFactory& factory, const GrDrawEffect&)
: INHERITED (factory) {}
- virtual void emitCode(GrGLFullShaderBuilder* builder,
+ virtual void emitCode(GrGLFullProgramBuilder* builder,
const GrDrawEffect& drawEffect,
const GrEffectKey& key,
const char* outputColor,
@@ -106,18 +106,20 @@ public:
const char *vsName, *fsName;
builder->addVarying(kVec4f_GrSLType, "CircleEdge", &vsName, &fsName);
- const SkString* attrName =
- builder->getEffectAttributeName(drawEffect.getVertexAttribIndices()[0]);
- builder->vsCodeAppendf("\t%s = %s;\n", vsName, attrName->c_str());
+ GrGLVertexShaderBuilder* vsBuilder = builder->getVertexShaderBuilder();
+ const SkString* attr0Name =
+ vsBuilder->getEffectAttributeName(drawEffect.getVertexAttribIndices()[0]);
+ vsBuilder->codeAppendf("\t%s = %s;\n", vsName, attr0Name->c_str());
- builder->fsCodeAppendf("\tfloat d = length(%s.xy);\n", fsName);
- builder->fsCodeAppendf("\tfloat edgeAlpha = clamp(%s.z - d, 0.0, 1.0);\n", fsName);
+ GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder();
+ fsBuilder->codeAppendf("\tfloat d = length(%s.xy);\n", fsName);
+ fsBuilder->codeAppendf("\tfloat edgeAlpha = clamp(%s.z - d, 0.0, 1.0);\n", fsName);
if (circleEffect.isStroked()) {
- builder->fsCodeAppendf("\tfloat innerAlpha = clamp(d - %s.w, 0.0, 1.0);\n", fsName);
- builder->fsCodeAppend("\tedgeAlpha *= innerAlpha;\n");
+ fsBuilder->codeAppendf("\tfloat innerAlpha = clamp(d - %s.w, 0.0, 1.0);\n", fsName);
+ fsBuilder->codeAppend("\tedgeAlpha *= innerAlpha;\n");
}
- builder->fsCodeAppendf("\t%s = %s;\n", outputColor,
+ fsBuilder->codeAppendf("\t%s = %s;\n", outputColor,
(GrGLSLExpr4(inputColor) * GrGLSLExpr1("edgeAlpha")).c_str());
}
@@ -206,7 +208,7 @@ public:
GLEffect(const GrBackendEffectFactory& factory, const GrDrawEffect&)
: INHERITED (factory) {}
- virtual void emitCode(GrGLFullShaderBuilder* builder,
+ virtual void emitCode(GrGLFullProgramBuilder* builder,
const GrDrawEffect& drawEffect,
const GrEffectKey& key,
const char* outputColor,
@@ -219,35 +221,38 @@ public:
const char *vsRadiiName, *fsRadiiName;
builder->addVarying(kVec2f_GrSLType, "EllipseOffsets", &vsOffsetName, &fsOffsetName);
+
+ GrGLVertexShaderBuilder* vsBuilder = builder->getVertexShaderBuilder();
const SkString* attr0Name =
- builder->getEffectAttributeName(drawEffect.getVertexAttribIndices()[0]);
- builder->vsCodeAppendf("\t%s = %s;\n", vsOffsetName, attr0Name->c_str());
+ vsBuilder->getEffectAttributeName(drawEffect.getVertexAttribIndices()[0]);
+ vsBuilder->codeAppendf("\t%s = %s;\n", vsOffsetName, attr0Name->c_str());
builder->addVarying(kVec4f_GrSLType, "EllipseRadii", &vsRadiiName, &fsRadiiName);
const SkString* attr1Name =
- builder->getEffectAttributeName(drawEffect.getVertexAttribIndices()[1]);
- builder->vsCodeAppendf("\t%s = %s;\n", vsRadiiName, attr1Name->c_str());
+ vsBuilder->getEffectAttributeName(drawEffect.getVertexAttribIndices()[1]);
+ vsBuilder->codeAppendf("\t%s = %s;\n", vsRadiiName, attr1Name->c_str());
// for outer curve
- builder->fsCodeAppendf("\tvec2 scaledOffset = %s*%s.xy;\n", fsOffsetName, fsRadiiName);
- builder->fsCodeAppend("\tfloat test = dot(scaledOffset, scaledOffset) - 1.0;\n");
- builder->fsCodeAppendf("\tvec2 grad = 2.0*scaledOffset*%s.xy;\n", fsRadiiName);
- builder->fsCodeAppend("\tfloat grad_dot = dot(grad, grad);\n");
+ GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder();
+ fsBuilder->codeAppendf("\tvec2 scaledOffset = %s*%s.xy;\n", fsOffsetName, fsRadiiName);
+ fsBuilder->codeAppend("\tfloat test = dot(scaledOffset, scaledOffset) - 1.0;\n");
+ fsBuilder->codeAppendf("\tvec2 grad = 2.0*scaledOffset*%s.xy;\n", fsRadiiName);
+ fsBuilder->codeAppend("\tfloat grad_dot = dot(grad, grad);\n");
// avoid calling inversesqrt on zero.
- builder->fsCodeAppend("\tgrad_dot = max(grad_dot, 1.0e-4);\n");
- builder->fsCodeAppend("\tfloat invlen = inversesqrt(grad_dot);\n");
- builder->fsCodeAppend("\tfloat edgeAlpha = clamp(0.5-test*invlen, 0.0, 1.0);\n");
+ fsBuilder->codeAppend("\tgrad_dot = max(grad_dot, 1.0e-4);\n");
+ fsBuilder->codeAppend("\tfloat invlen = inversesqrt(grad_dot);\n");
+ fsBuilder->codeAppend("\tfloat edgeAlpha = clamp(0.5-test*invlen, 0.0, 1.0);\n");
// for inner curve
if (ellipseEffect.isStroked()) {
- builder->fsCodeAppendf("\tscaledOffset = %s*%s.zw;\n", fsOffsetName, fsRadiiName);
- builder->fsCodeAppend("\ttest = dot(scaledOffset, scaledOffset) - 1.0;\n");
- builder->fsCodeAppendf("\tgrad = 2.0*scaledOffset*%s.zw;\n", fsRadiiName);
- builder->fsCodeAppend("\tinvlen = inversesqrt(dot(grad, grad));\n");
- builder->fsCodeAppend("\tedgeAlpha *= clamp(0.5+test*invlen, 0.0, 1.0);\n");
+ fsBuilder->codeAppendf("\tscaledOffset = %s*%s.zw;\n", fsOffsetName, fsRadiiName);
+ fsBuilder->codeAppend("\ttest = dot(scaledOffset, scaledOffset) - 1.0;\n");
+ fsBuilder->codeAppendf("\tgrad = 2.0*scaledOffset*%s.zw;\n", fsRadiiName);
+ fsBuilder->codeAppend("\tinvlen = inversesqrt(dot(grad, grad));\n");
+ fsBuilder->codeAppend("\tedgeAlpha *= clamp(0.5+test*invlen, 0.0, 1.0);\n");
}
- builder->fsCodeAppendf("\t%s = %s;\n", outputColor,
+ fsBuilder->codeAppendf("\t%s = %s;\n", outputColor,
(GrGLSLExpr4(inputColor) * GrGLSLExpr1("edgeAlpha")).c_str());
}
@@ -344,7 +349,7 @@ public:
GLEffect(const GrBackendEffectFactory& factory, const GrDrawEffect&)
: INHERITED (factory) {}
- virtual void emitCode(GrGLFullShaderBuilder* builder,
+ virtual void emitCode(GrGLFullProgramBuilder* builder,
const GrDrawEffect& drawEffect,
const GrEffectKey& key,
const char* outputColor,
@@ -353,57 +358,59 @@ public:
const TextureSamplerArray& samplers) SK_OVERRIDE {
const DIEllipseEdgeEffect& ellipseEffect = drawEffect.castEffect<DIEllipseEdgeEffect>();
- SkAssertResult(builder->enableFeature(
- GrGLShaderBuilder::kStandardDerivatives_GLSLFeature));
-
const char *vsOffsetName0, *fsOffsetName0;
builder->addVarying(kVec2f_GrSLType, "EllipseOffsets0",
&vsOffsetName0, &fsOffsetName0);
+
+ GrGLVertexShaderBuilder* vsBuilder = builder->getVertexShaderBuilder();
const SkString* attr0Name =
- builder->getEffectAttributeName(drawEffect.getVertexAttribIndices()[0]);
- builder->vsCodeAppendf("\t%s = %s;\n", vsOffsetName0, attr0Name->c_str());
+ vsBuilder->getEffectAttributeName(drawEffect.getVertexAttribIndices()[0]);
+ vsBuilder->codeAppendf("\t%s = %s;\n", vsOffsetName0, attr0Name->c_str());
const char *vsOffsetName1, *fsOffsetName1;
builder->addVarying(kVec2f_GrSLType, "EllipseOffsets1",
&vsOffsetName1, &fsOffsetName1);
const SkString* attr1Name =
- builder->getEffectAttributeName(drawEffect.getVertexAttribIndices()[1]);
- builder->vsCodeAppendf("\t%s = %s;\n", vsOffsetName1, attr1Name->c_str());
+ vsBuilder->getEffectAttributeName(drawEffect.getVertexAttribIndices()[1]);
+ vsBuilder->codeAppendf("\t%s = %s;\n", vsOffsetName1, attr1Name->c_str());
+ GrGLFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBuilder();
+ SkAssertResult(fsBuilder->enableFeature(
+ GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature));
// for outer curve
- builder->fsCodeAppendf("\tvec2 scaledOffset = %s.xy;\n", fsOffsetName0);
- builder->fsCodeAppend("\tfloat test = dot(scaledOffset, scaledOffset) - 1.0;\n");
- builder->fsCodeAppendf("\tvec2 duvdx = dFdx(%s);\n", fsOffsetName0);
- builder->fsCodeAppendf("\tvec2 duvdy = dFdy(%s);\n", fsOffsetName0);
- builder->fsCodeAppendf("\tvec2 grad = vec2(2.0*%s.x*duvdx.x + 2.0*%s.y*duvdx.y,\n"
+ fsBuilder->codeAppendf("\tvec2 scaledOffset = %s.xy;\n", fsOffsetName0);
+ fsBuilder->codeAppend("\tfloat test = dot(scaledOffset, scaledOffset) - 1.0;\n");
+ fsBuilder->codeAppendf("\tvec2 duvdx = dFdx(%s);\n", fsOffsetName0);
+ fsBuilder->codeAppendf("\tvec2 duvdy = dFdy(%s);\n", fsOffsetName0);
+ fsBuilder->codeAppendf("\tvec2 grad = vec2(2.0*%s.x*duvdx.x + 2.0*%s.y*duvdx.y,\n"
"\t 2.0*%s.x*duvdy.x + 2.0*%s.y*duvdy.y);\n",
fsOffsetName0, fsOffsetName0, fsOffsetName0, fsOffsetName0);
- builder->fsCodeAppend("\tfloat grad_dot = dot(grad, grad);\n");
+ fsBuilder->codeAppend("\tfloat grad_dot = dot(grad, grad);\n");
// avoid calling inversesqrt on zero.
- builder->fsCodeAppend("\tgrad_dot = max(grad_dot, 1.0e-4);\n");
- builder->fsCodeAppend("\tfloat invlen = inversesqrt(grad_dot);\n");
+ fsBuilder->codeAppend("\tgrad_dot = max(grad_dot, 1.0e-4);\n");
+ fsBuilder->codeAppend("\tfloat invlen = inversesqrt(grad_dot);\n");
if (kHairline == ellipseEffect.getMode()) {
// can probably do this with one step
- builder->fsCodeAppend("\tfloat edgeAlpha = clamp(1.0-test*invlen, 0.0, 1.0);\n");
- builder->fsCodeAppend("\tedgeAlpha *= clamp(1.0+test*invlen, 0.0, 1.0);\n");
+ fsBuilder->codeAppend("\tfloat edgeAlpha = clamp(1.0-test*invlen, 0.0, 1.0);\n");
+ fsBuilder->codeAppend("\tedgeAlpha *= clamp(1.0+test*invlen, 0.0, 1.0);\n");
} else {
- builder->fsCodeAppend("\tfloat edgeAlpha = clamp(0.5-test*invlen, 0.0, 1.0);\n");
+ fsBuilder->codeAppend("\tfloat edgeAlpha = clamp(0.5-test*invlen, 0.0, 1.0);\n");
}
// for inner curve
if (kStroke == ellipseEffect.getMode()) {
- builder->fsCodeAppendf("\tscaledOffset = %s.xy;\n", fsOffsetName1);
- builder->fsCodeAppend("\ttest = dot(scaledOffset, scaledOffset) - 1.0;\n");
- builder->fsCodeAppendf("\tduvdx = dFdx(%s);\n", fsOffsetName1);
- builder->fsCodeAppendf("\tduvdy = dFdy(%s);\n", fsOffsetName1);
- builder->fsCodeAppendf("\tgrad = vec2(2.0*%s.x*duvdx.x + 2.0*%s.y*duvdx.y,\n"
+ fsBuilder->codeAppendf("\tscaledOffset = %s.xy;\n", fsOffsetName1);
+ fsBuilder->codeAppend("\ttest = dot(scaledOffset, scaledOffset) - 1.0;\n");
+ fsBuilder->codeAppendf("\tduvdx = dFdx(%s);\n", fsOffsetName1);
+ fsBuilder->codeAppendf("\tduvdy = dFdy(%s);\n", fsOffsetName1);
+ fsBuilder->codeAppendf("\tgrad = vec2(2.0*%s.x*duvdx.x + 2.0*%s.y*duvdx.y,\n"
"\t 2.0*%s.x*duvdy.x + 2.0*%s.y*duvdy.y);\n",
fsOffsetName1, fsOffsetName1, fsOffsetName1, fsOffsetName1);
- builder->fsCodeAppend("\tinvlen = inversesqrt(dot(grad, grad));\n");
- builder->fsCodeAppend("\tedgeAlpha *= clamp(0.5+test*invlen, 0.0, 1.0);\n");
+ fsBuilder->codeAppend("\tinvlen = inversesqrt(dot(grad, grad));\n");
+ fsBuilder->codeAppend("\tedgeAlpha *= clamp(0.5+test*invlen, 0.0, 1.0);\n");
}
- builder->fsCodeAppendf("\t%s = %s;\n", outputColor,
+ fsBuilder->codeAppendf("\t%s = %s;\n", outputColor,
(GrGLSLExpr4(inputColor) * GrGLSLExpr1("edgeAlpha")).c_str());
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-25 00:25:49 +0000