Inspect SkShader to determine hw shader.
Instead of duplicating internal info about SkShader, inspect the
SkShader installed on the SkPaint.
core/java/android/view/GLES20Canvas.java:
Remove setupModifiers, nResetModifiers, and nSetupShader.
core/jni/android/graphics/Shader.cpp:
Remove calls to create/destroy the (previously) attached SkiaShader.
core/jni/android_view_GLES20Canvas.cpp:
Remove native code for setupShader and resetModifiers.
graphics/java/android/graphics/BitmapShader.java:
graphics/java/android/graphics/ComposeShader.java:
graphics/java/android/graphics/LinearGradient.java:
graphics/java/android/graphics/RadialGradient.java:
graphics/java/android/graphics/Shader.java:
graphics/java/android/graphics/SweepGradient.java:
Remove code keeping track of native SkiaShader.
libs/hwui/Caches.h:
Include Extensions.h.
libs/hwui/DeferredDisplayList.cpp:
Compare shaders on the paint, instead of on DrawModifiers.
libs/hwui/DisplayList.cpp:
libs/hwui/DisplayList.h:
Remove vector of SkiaShaders.
libs/hwui/DisplayListOp.h:
Access the SkShader on mPaint.
Remove SetupShaderOp and ResetShaderOp.
libs/hwui/DisplayListRenderer.cpp:
libs/hwui/DisplayListRenderer.h:
Remove resetShader, setupShader, refShader, and mShaderMap.
libs/hwui/FontRenderer.cpp:
Pass SkShader to setupDrawShader and setupDrawShaderUniforms.
libs/hwui/OpenGLRenderer.cpp:
libs/hwui/OpenGLRenderer.h:
Add LayerShader, a class inheriting from SkShader, to mimic the
behavior of SkiaLayerShader. Unlike SkiaLayerShader, it can be set on
the SkPaint so it can be inspected later.
Set a LayerShader instead of a SkiaLayerShader.
setupDrawShader and setupDrawShaderUniforms now inspect an SkShader
passed in.
Inspect SkShader instead of mDrawModifiers.mShader.
Remove resetShader and setupShader.
setupDrawColorUniforms now takes a boolean indicating whether there is
a shader.
Add an inline function for accessing the SkShader on an SkPaint.
In setupDrawBlending(Layer*, bool), do not check the shader (which will
never be set), but do check whether the color filter may change the
alpha (newly fixed behavior).
In setupDrawBlending(SkPaint, ...), check the SkShader and whether the
color filter affects alpha (the latter is new behavior).
libs/hwui/Renderer.h:
Remove pure virtual functions setupShader and resetShader.
libs/hwui/ResourceCache.cpp:
libs/hwui/ResourceCache.h:
Remove functions for refing/unrefing shaders.
libs/hwui/SkiaShader.cpp:
libs/hwui/SkiaShader.h:
Much of this code was redundant and has been removed.
Convert structs into class with nothing but static functions for
calling describe/setupProgram.
libs/hwui/TextureCache.cpp:
libs/hwui/TextureCache.h:
Use the SkPixelRef as the key to the bitmap Lru cache, since shader
inspection will provide a different SkBitmap pointer (though it will
hold the correct SkPixelRef with the correct generation ID).
tests/CanvasCompare/src/com/android/test/hwuicompare/DisplayModifier.java:
tests/CanvasCompare/src/com/android/test/hwuicompare/ResourceModifiers.java:
Update manual test to have more shaders: radial, sweep, compose,
invalid compose.
BUG:10650594
Change-Id: Iaa7189178bda1c55f96da044d2a9fa602ba36034
diff --git a/libs/hwui/OpenGLRenderer.cpp b/libs/hwui/OpenGLRenderer.cpp
index 4df97e6..727547f 100644
--- a/libs/hwui/OpenGLRenderer.cpp
+++ b/libs/hwui/OpenGLRenderer.cpp
@@ -21,6 +21,7 @@
#include <sys/types.h>
#include <SkCanvas.h>
+#include <SkShader.h>
#include <SkTypeface.h>
#include <utils/Log.h>
@@ -37,6 +38,7 @@
#include "PathTessellator.h"
#include "Properties.h"
#include "ShadowTessellator.h"
+#include "SkiaShader.h"
#include "utils/GLUtils.h"
#include "Vector.h"
#include "VertexBuffer.h"
@@ -1053,6 +1055,45 @@
#define DRAW_DOUBLE_STENCIL(DRAW_COMMAND) DRAW_DOUBLE_STENCIL_IF(true, DRAW_COMMAND)
+// This class is purely for inspection. It inherits from SkShader, but Skia does not know how to
+// use it. The OpenGLRenderer will look at it to find its Layer and whether it is opaque.
+class LayerShader : public SkShader {
+public:
+ LayerShader(Layer* layer, const SkMatrix* localMatrix)
+ : INHERITED(localMatrix)
+ , mLayer(layer) {
+ }
+
+ virtual bool asACustomShader(void** data) const {
+ if (data) {
+ *data = static_cast<void*>(mLayer);
+ }
+ return true;
+ }
+
+ virtual bool isOpaque() const {
+ return !mLayer->isBlend();
+ }
+
+protected:
+ virtual void shadeSpan(int x, int y, SkPMColor[], int count) {
+ LOG_ALWAYS_FATAL("LayerShader should never be drawn with raster backend.");
+ }
+
+ virtual void flatten(SkWriteBuffer&) const {
+ LOG_ALWAYS_FATAL("LayerShader should never be flattened.");
+ }
+
+ virtual Factory getFactory() const {
+ LOG_ALWAYS_FATAL("LayerShader should never be created from a stream.");
+ return NULL;
+ }
+private:
+ // Unowned.
+ Layer* mLayer;
+ typedef SkShader INHERITED;
+};
+
void OpenGLRenderer::composeLayerRegion(Layer* layer, const Rect& rect) {
if (CC_UNLIKELY(layer->region.isEmpty())) return; // nothing to draw
@@ -1066,21 +1107,19 @@
paint.setAntiAlias(true);
paint.setColor(SkColorSetARGB(int(getLayerAlpha(layer) * 255), 0, 0, 0));
- SkiaShader* oldShader = mDrawModifiers.mShader;
-
// create LayerShader to map SaveLayer content into subsequent draw
SkMatrix shaderMatrix;
shaderMatrix.setTranslate(rect.left, rect.bottom);
shaderMatrix.preScale(1, -1);
- SkiaLayerShader layerShader(layer, &shaderMatrix);
- mDrawModifiers.mShader = &layerShader;
+ LayerShader layerShader(layer, &shaderMatrix);
+ paint.setShader(&layerShader);
// Since the drawing primitive is defined in local drawing space,
// we don't need to modify the draw matrix
const SkPath* maskPath = layer->getConvexMask();
DRAW_DOUBLE_STENCIL(drawConvexPath(*maskPath, &paint));
- mDrawModifiers.mShader = oldShader;
+ paint.setShader(NULL);
restore();
return;
@@ -1615,9 +1654,9 @@
mSetShaderColor = mDescription.setColorModulate(a);
}
-void OpenGLRenderer::setupDrawShader() {
- if (mDrawModifiers.mShader) {
- mDrawModifiers.mShader->describe(mDescription, mExtensions);
+void OpenGLRenderer::setupDrawShader(const SkShader* shader) {
+ if (shader != NULL) {
+ SkiaShader::describe(&mCaches, mDescription, mExtensions, *shader);
}
}
@@ -1643,15 +1682,21 @@
}
}
+static bool isBlendedColorFilter(const SkColorFilter* filter) {
+ if (filter == NULL) {
+ return false;
+ }
+ return (filter->getFlags() & SkColorFilter::kAlphaUnchanged_Flag) == 0;
+}
+
void OpenGLRenderer::setupDrawBlending(const Layer* layer, bool swapSrcDst) {
SkXfermode::Mode mode = layer->getMode();
// When the blending mode is kClear_Mode, we need to use a modulate color
// argb=1,0,0,0
accountForClear(mode);
+ // TODO: check shader blending, once we have shader drawing support for layers.
bool blend = layer->isBlend() || getLayerAlpha(layer) < 1.0f ||
- (mColorSet && mColorA < 1.0f) ||
- (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()) ||
- layer->getColorFilter();
+ (mColorSet && mColorA < 1.0f) || isBlendedColorFilter(layer->getColorFilter());
chooseBlending(blend, mode, mDescription, swapSrcDst);
}
@@ -1661,8 +1706,8 @@
// argb=1,0,0,0
accountForClear(mode);
blend |= (mColorSet && mColorA < 1.0f) ||
- (mDrawModifiers.mShader && mDrawModifiers.mShader->blend()) ||
- (paint && paint->getColorFilter());
+ (getShader(paint) && !getShader(paint)->isOpaque()) ||
+ isBlendedColorFilter(getColorFilter(paint));
chooseBlending(blend, mode, mDescription, swapSrcDst);
}
@@ -1693,8 +1738,8 @@
}
}
-void OpenGLRenderer::setupDrawColorUniforms() {
- if ((mColorSet && !mDrawModifiers.mShader) || (mDrawModifiers.mShader && mSetShaderColor)) {
+void OpenGLRenderer::setupDrawColorUniforms(bool hasShader) {
+ if ((mColorSet && !hasShader) || (hasShader && mSetShaderColor)) {
mCaches.currentProgram->setColor(mColorR, mColorG, mColorB, mColorA);
}
}
@@ -1705,20 +1750,22 @@
}
}
-void OpenGLRenderer::setupDrawShaderUniforms(bool ignoreTransform) {
- if (mDrawModifiers.mShader) {
- if (ignoreTransform) {
- // if ignoreTransform=true was passed to setupDrawModelView, undo currentTransform()
- // because it was built into modelView / the geometry, and the SkiaShader needs to
- // compensate.
- mat4 modelViewWithoutTransform;
- modelViewWithoutTransform.loadInverse(*currentTransform());
- modelViewWithoutTransform.multiply(mModelViewMatrix);
- mModelViewMatrix.load(modelViewWithoutTransform);
- }
- mDrawModifiers.mShader->setupProgram(mCaches.currentProgram,
- mModelViewMatrix, *mSnapshot, &mTextureUnit);
+void OpenGLRenderer::setupDrawShaderUniforms(const SkShader* shader, bool ignoreTransform) {
+ if (shader == NULL) {
+ return;
}
+
+ if (ignoreTransform) {
+ // if ignoreTransform=true was passed to setupDrawModelView, undo currentTransform()
+ // because it was built into modelView / the geometry, and the description needs to
+ // compensate.
+ mat4 modelViewWithoutTransform;
+ modelViewWithoutTransform.loadInverse(*currentTransform());
+ modelViewWithoutTransform.multiply(mModelViewMatrix);
+ mModelViewMatrix.load(modelViewWithoutTransform);
+ }
+
+ SkiaShader::setupProgram(&mCaches, mModelViewMatrix, &mTextureUnit, mExtensions, *shader);
}
void OpenGLRenderer::setupDrawColorFilterUniforms(const SkColorFilter* filter) {
@@ -2177,7 +2224,7 @@
// Apply a scale transform on the canvas only when a shader is in use
// Skia handles the ratio between the dst and src rects as a scale factor
// when a shader is set
- bool useScaleTransform = mDrawModifiers.mShader && scaled;
+ bool useScaleTransform = getShader(paint) && scaled;
bool ignoreTransform = false;
if (CC_LIKELY(currentTransform()->isPureTranslate() && !useScaleTransform)) {
@@ -2335,13 +2382,13 @@
if (isAA) setupDrawAA();
setupDrawColor(color, ((color >> 24) & 0xFF) * mSnapshot->alpha);
setupDrawColorFilter(getColorFilter(paint));
- setupDrawShader();
+ setupDrawShader(getShader(paint));
setupDrawBlending(paint, isAA);
setupDrawProgram();
setupDrawModelView(kModelViewMode_Translate, useOffset, 0, 0, 0, 0);
- setupDrawColorUniforms();
+ setupDrawColorUniforms(getShader(paint));
setupDrawColorFilterUniforms(getColorFilter(paint));
- setupDrawShaderUniforms();
+ setupDrawShaderUniforms(getShader(paint));
const void* vertices = vertexBuffer.getBuffer();
bool force = mCaches.unbindMeshBuffer();
@@ -2646,7 +2693,7 @@
const float sy = y - shadow->top + textShadow.dy;
const int shadowAlpha = ((textShadow.color >> 24) & 0xFF) * mSnapshot->alpha;
- if (mDrawModifiers.mShader) {
+ if (getShader(paint)) {
textShadow.color = SK_ColorWHITE;
}
@@ -2654,7 +2701,7 @@
setupDrawWithTexture(true);
setupDrawAlpha8Color(textShadow.color, shadowAlpha < 255 ? shadowAlpha : alpha);
setupDrawColorFilter(getColorFilter(paint));
- setupDrawShader();
+ setupDrawShader(getShader(paint));
setupDrawBlending(paint, true);
setupDrawProgram();
setupDrawModelView(kModelViewMode_TranslateAndScale, false,
@@ -2662,7 +2709,7 @@
setupDrawTexture(shadow->id);
setupDrawPureColorUniforms();
setupDrawColorFilterUniforms(getColorFilter(paint));
- setupDrawShaderUniforms();
+ setupDrawShaderUniforms(getShader(paint));
setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset);
glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount);
@@ -2984,21 +3031,6 @@
}
///////////////////////////////////////////////////////////////////////////////
-// Shaders
-///////////////////////////////////////////////////////////////////////////////
-
-void OpenGLRenderer::resetShader() {
- mDrawModifiers.mShader = NULL;
-}
-
-void OpenGLRenderer::setupShader(SkiaShader* shader) {
- mDrawModifiers.mShader = shader;
- if (mDrawModifiers.mShader) {
- mDrawModifiers.mShader->setCaches(mCaches);
- }
-}
-
-///////////////////////////////////////////////////////////////////////////////
// Draw filters
///////////////////////////////////////////////////////////////////////////////
@@ -3056,7 +3088,7 @@
setupDrawWithTexture(true);
setupDrawAlpha8Color(paint->getColor(), alpha);
setupDrawColorFilter(getColorFilter(paint));
- setupDrawShader();
+ setupDrawShader(getShader(paint));
setupDrawBlending(paint, true);
setupDrawProgram();
setupDrawModelView(kModelViewMode_TranslateAndScale, false,
@@ -3064,7 +3096,7 @@
setupDrawTexture(texture->id);
setupDrawPureColorUniforms();
setupDrawColorFilterUniforms(getColorFilter(paint));
- setupDrawShaderUniforms();
+ setupDrawShaderUniforms(getShader(paint));
setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset);
glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount);
@@ -3230,7 +3262,7 @@
int color = paint->getColor();
// If a shader is set, preserve only the alpha
- if (mDrawModifiers.mShader) {
+ if (getShader(paint)) {
color |= 0x00ffffff;
}
@@ -3266,15 +3298,15 @@
setupDraw();
setupDrawNoTexture();
setupDrawColor(color, ((color >> 24) & 0xFF) * currentSnapshot()->alpha);
- setupDrawShader();
+ setupDrawShader(getShader(paint));
setupDrawColorFilter(getColorFilter(paint));
setupDrawBlending(paint);
setupDrawProgram();
setupDrawDirtyRegionsDisabled();
setupDrawModelView(kModelViewMode_Translate, false,
0.0f, 0.0f, 0.0f, 0.0f, ignoreTransform);
- setupDrawColorUniforms();
- setupDrawShaderUniforms();
+ setupDrawColorUniforms(getShader(paint));
+ setupDrawShaderUniforms(getShader(paint));
setupDrawColorFilterUniforms(getColorFilter(paint));
if (dirty && hasLayer()) {
@@ -3290,21 +3322,21 @@
const SkPaint* paint, bool ignoreTransform) {
int color = paint->getColor();
// If a shader is set, preserve only the alpha
- if (mDrawModifiers.mShader) {
+ if (getShader(paint)) {
color |= 0x00ffffff;
}
setupDraw();
setupDrawNoTexture();
setupDrawColor(color, ((color >> 24) & 0xFF) * currentSnapshot()->alpha);
- setupDrawShader();
+ setupDrawShader(getShader(paint));
setupDrawColorFilter(getColorFilter(paint));
setupDrawBlending(paint);
setupDrawProgram();
setupDrawModelView(kModelViewMode_TranslateAndScale, false,
left, top, right, bottom, ignoreTransform);
- setupDrawColorUniforms();
- setupDrawShaderUniforms(ignoreTransform);
+ setupDrawColorUniforms(getShader(paint));
+ setupDrawShaderUniforms(getShader(paint), ignoreTransform);
setupDrawColorFilterUniforms(getColorFilter(paint));
setupDrawSimpleMesh();
@@ -3417,7 +3449,7 @@
setupDrawAlpha8Color(color, alpha);
}
setupDrawColorFilter(getColorFilter(paint));
- setupDrawShader();
+ setupDrawShader(getShader(paint));
setupDrawBlending(paint, true);
setupDrawProgram();
if (!dirty) setupDrawDirtyRegionsDisabled();
@@ -3425,7 +3457,7 @@
setupDrawTexture(texture);
setupDrawPureColorUniforms();
setupDrawColorFilterUniforms(getColorFilter(paint));
- setupDrawShaderUniforms(ignoreTransform);
+ setupDrawShaderUniforms(getShader(paint), ignoreTransform);
setupDrawMesh(vertices, texCoords);
glDrawArrays(drawMode, 0, elementsCount);