Implement filling a path with nv_path_rendering cover
Implement filling a path with nv_path_rendering cover functionality.
The nv_path_rendering cover can be used if the fill is non-inverted
and the draw operation does not require use of vertex shaders.
Moves code for the inverted fill from GrStencilAndCoverPathRenderer
down to GrGpuGL.
R=bsalomon@google.com, markkilgard@gmail.com, cdalton@nvidia.com
Author: kkinnunen@nvidia.com
Review URL: https://codereview.chromium.org/22686002
git-svn-id: http://skia.googlecode.com/svn/trunk@11667 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrDrawTarget.h b/src/gpu/GrDrawTarget.h
index 47460ac..49dd388 100644
--- a/src/gpu/GrDrawTarget.h
+++ b/src/gpu/GrDrawTarget.h
@@ -329,6 +329,12 @@
void stencilPath(const GrPath*, const SkStrokeRec& stroke, SkPath::FillType fill);
/**
+ * Fills a path. Fill must not be a hairline. It will respect the HW
+ * antialias flag on the draw state (if possible in the 3D API).
+ */
+ void fillPath(const GrPath*, const SkStrokeRec& stroke, SkPath::FillType fill);
+
+ /**
* Helper function for drawing rects. It performs a geometry src push and pop
* and thus will finalize any reserved geometry.
*
@@ -448,6 +454,14 @@
*/
void executeDraw(const DrawInfo& info) { this->onDraw(info); }
+ /**
+ * For subclass internal use to invoke a call to onFillPath().
+ */
+ void executeFillPath(const GrPath* path, const SkStrokeRec& stroke,
+ SkPath::FillType fill, const GrDeviceCoordTexture* dstCopy) {
+ this->onFillPath(path, stroke, fill, dstCopy);
+ }
+
////////////////////////////////////////////////////////////////////////////
/**
@@ -761,15 +775,6 @@
}
const SkRect* getDevBounds() const { return fDevBounds; }
- bool getDevIBounds(SkIRect* bounds) const {
- if (NULL != fDevBounds) {
- fDevBounds->roundOut(bounds);
- return true;
- } else {
- return false;
- }
- }
-
// NULL if no copy of the dst is needed for the draw.
const GrDeviceCoordTexture* getDstCopy() const {
if (NULL != fDstCopy.texture()) {
@@ -834,6 +839,8 @@
const SkRect* localRect,
const SkMatrix* localMatrix);
virtual void onStencilPath(const GrPath*, const SkStrokeRec& stroke, SkPath::FillType fill) = 0;
+ virtual void onFillPath(const GrPath*, const SkStrokeRec& stroke, SkPath::FillType fill,
+ const GrDeviceCoordTexture* dstCopy) = 0;
// helpers for reserving vertex and index space.
bool reserveVertexSpace(size_t vertexSize,
@@ -852,7 +859,10 @@
// Makes a copy of the dst if it is necessary for the draw. Returns false if a copy is required
// but couldn't be made. Otherwise, returns true.
- bool setupDstReadIfNecessary(DrawInfo* info);
+ bool setupDstReadIfNecessary(DrawInfo* info) {
+ return this->setupDstReadIfNecessary(&info->fDstCopy, info->getDevBounds());
+ }
+ bool setupDstReadIfNecessary(GrDeviceCoordTexture* dstCopy, const SkRect* drawBounds);
// Check to see if this set of draw commands has been sent out
virtual bool isIssued(uint32_t drawID) { return true; }