Adds local coords to GrEffect system.
Effects can ask the builder for local coords which may or may not be distinct from positions.
GrEffectStage tracks changes to relationship between pos and local coords.
GrGLEffectMatrix and GrSingleTextureEffect can use either pos or textures as intput coords
GrSimpleTextureEffect now allows for an explicit texture coords attribute.
Review URL: https://codereview.chromium.org/12531015
git-svn-id: http://skia.googlecode.com/svn/trunk@8264 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/effects/gradients/SkGradientShader.cpp b/src/effects/gradients/SkGradientShader.cpp
index 1158dcf..d3b2fd4 100644
--- a/src/effects/gradients/SkGradientShader.cpp
+++ b/src/effects/gradients/SkGradientShader.cpp
@@ -734,12 +734,14 @@
#if SK_SUPPORT_GPU
#include "effects/GrTextureStripAtlas.h"
+#include "GrTBackendEffectFactory.h"
#include "SkGr.h"
GrGLGradientEffect::GrGLGradientEffect(const GrBackendEffectFactory& factory)
: INHERITED(factory)
, fCachedYCoord(SK_ScalarMax)
- , fFSYUni(GrGLUniformManager::kInvalidUniformHandle) {
+ , fFSYUni(GrGLUniformManager::kInvalidUniformHandle)
+ , fEffectMatrix(kCoordsType) {
}
GrGLGradientEffect::~GrGLGradientEffect() { }
@@ -749,10 +751,11 @@
kFloat_GrSLType, "GradientYCoordFS");
}
-void GrGLGradientEffect::setData(const GrGLUniformManager& uman, const GrEffectStage& stage) {
- const GrGradientEffect& e = GetEffectFromStage<GrGradientEffect>(stage);
+void GrGLGradientEffect::setData(const GrGLUniformManager& uman,
+ const GrDrawEffect& drawEffect) {
+ const GrGradientEffect& e = drawEffect.castEffect<GrGradientEffect>();
const GrTexture* texture = e.texture(0);
- fEffectMatrix.setData(uman, e.getMatrix(), stage.getCoordChangeMatrix(), texture);
+ fEffectMatrix.setData(uman, e.getMatrix(), drawEffect, texture);
SkScalar yCoord = e.getYCoord();
if (yCoord != fCachedYCoord) {
@@ -761,21 +764,19 @@
}
}
-GrGLEffect::EffectKey GrGLGradientEffect::GenMatrixKey(const GrEffectStage& s) {
- const GrGradientEffect& e = GetEffectFromStage<GrGradientEffect>(s);
+GrGLEffect::EffectKey GrGLGradientEffect::GenMatrixKey(const GrDrawEffect& drawEffect) {
+ const GrGradientEffect& e = drawEffect.castEffect<GrGradientEffect>();
const GrTexture* texture = e.texture(0);
- return GrGLEffectMatrix::GenKey(e.getMatrix(), s.getCoordChangeMatrix(), texture);
+ return GrGLEffectMatrix::GenKey(e.getMatrix(), drawEffect, kCoordsType, texture);
}
void GrGLGradientEffect::setupMatrix(GrGLShaderBuilder* builder,
EffectKey key,
- const char* vertexCoords,
const char** fsCoordName,
const char** vsVaryingName,
GrSLType* vsVaryingType) {
fEffectMatrix.emitCodeMakeFSCoords2D(builder,
key & kMatrixKeyMask,
- vertexCoords,
fsCoordName,
vsVaryingName,
vsVaryingType);