Make GPU coord transforms automatic
Adds a GrCoordTransform class and updates the framework to handle
coord transforms similar to how it handles textures with
GrTextureAccess. Renames GrGLEffectMatrix to GrGLCoordTransform and
slightly repurposes it to be used by the framework instead of effects.
R=bsalomon@google.com, robertphillips@google.com
Review URL: https://codereview.chromium.org/24853002
git-svn-id: http://skia.googlecode.com/svn/trunk@11569 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/effects/gradients/SkLinearGradient.cpp b/src/effects/gradients/SkLinearGradient.cpp
index aa8486d..5563a03 100644
--- a/src/effects/gradients/SkLinearGradient.cpp
+++ b/src/effects/gradients/SkLinearGradient.cpp
@@ -448,6 +448,7 @@
EffectKey,
const char* outputColor,
const char* inputColor,
+ const TransformedCoordsArray&,
const TextureSamplerArray&) SK_OVERRIDE;
static EffectKey GenKey(const GrDrawEffect& drawEffect, const GrGLCaps&) {
@@ -522,12 +523,10 @@
EffectKey key,
const char* outputColor,
const char* inputColor,
+ const TransformedCoordsArray& coords,
const TextureSamplerArray& samplers) {
this->emitUniforms(builder, key);
- SkString coords;
- this->setupMatrix(builder, key, &coords);
- SkString t;
- t.append(coords);
+ SkString t = builder->ensureFSCoords2D(coords, 0);
t.append(".x");
this->emitColor(builder, t.c_str(), key, outputColor, inputColor, samplers);
}