Wrap NV_path_rendering API with GrGLPathRendering

src/gpu/gl/GrGLPath.cpp

 
 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGLPath.h"
+#include "GrGLPathRendering.h"
 #include "GrGpuGL.h"
 
-#define GPUGL static_cast<GrGpuGL*>(this->getGpu())
-
-#define GL_CALL(X) GR_GL_CALL(GPUGL->glInterface(), X)
-#define GL_CALL_RET(R, X) GR_GL_CALL_RET(GPUGL->glInterface(), R, X)
-
 namespace {
 inline GrGLubyte verb_to_gl_path_cmd(SkPath::Verb verb) {
     static const GrGLubyte gTable[] = {
         GR_GL_MOVE_TO,
         GR_GL_LINE_TO,
         GR_GL_QUADRATIC_CURVE_TO,
         0xFF, // conic
         GR_GL_CUBIC_CURVE_TO,
         GR_GL_CLOSE_PATH,
     };
@@ skipping 51 matching lines @@
     GR_STATIC_ASSERT(0 == SkPaint::kButt_Cap);
     GR_STATIC_ASSERT(1 == SkPaint::kRound_Cap);
     GR_STATIC_ASSERT(2 == SkPaint::kSquare_Cap);
     GR_STATIC_ASSERT(SK_ARRAY_COUNT(gSkCapsToGrGLCaps) == SkPaint::kCapCount);
 }
 
 }
 
 static const bool kIsWrapped = false; // The constructor creates the GL path object.
 
-void GrGLPath::InitPathObject(const GrGLInterface* gl,
+void GrGLPath::InitPathObject(GrGpuGL* gpu,
                               GrGLuint pathID,
                               const SkPath& skPath,
                               const SkStrokeRec& stroke) {
+    GrGLPathRendering* pr = gpu->pathRendering();
     SkSTArray<16, GrGLubyte, true> pathCommands;
     SkSTArray<16, SkPoint, true> pathPoints;
 
     int verbCnt = skPath.countVerbs();
     int pointCnt = skPath.countPoints();
     pathCommands.resize_back(verbCnt);
     pathPoints.resize_back(pointCnt);
 
     // TODO: Direct access to path points since we could pass them on directly.
     skPath.getPoints(&pathPoints[0], pointCnt);
     skPath.getVerbs(&pathCommands[0], verbCnt);
 
     SkDEBUGCODE(int numPts = 0);
     for (int i = 0; i < verbCnt; ++i) {
         SkPath::Verb v = static_cast<SkPath::Verb>(pathCommands[i]);
         pathCommands[i] = verb_to_gl_path_cmd(v);
         SkDEBUGCODE(numPts += num_pts(v));
     }
     SkASSERT(pathPoints.count() == numPts);
 
-    GR_GL_CALL(gl, PathCommands(pathID,
-                                verbCnt, &pathCommands[0],
-                                2 * pointCnt, GR_GL_FLOAT, &pathPoints[0]));
-
+    pr->pathCommands(pathID, verbCnt, &pathCommands[0], 2 * pointCnt, GR_GL_FLOAT, &pathPoints[0]);
     if (stroke.needToApply()) {
         SkASSERT(!stroke.isHairlineStyle());
-        GR_GL_CALL(gl, PathParameterf(pathID, GR_GL_PATH_STROKE_WIDTH, SkScalarToFloat(stroke.getWidth())));
-        GR_GL_CALL(gl, PathParameterf(pathID, GR_GL_PATH_MITER_LIMIT, SkScalarToFloat(stroke.getMiter())));
+        pr->pathParameterf(pathID, GR_GL_PATH_STROKE_WIDTH, SkScalarToFloat(stroke.getWidth()));
+        pr->pathParameterf(pathID, GR_GL_PATH_MITER_LIMIT, SkScalarToFloat(stroke.getMiter()));
         GrGLenum join = join_to_gl_join(stroke.getJoin());
-        GR_GL_CALL(gl, PathParameteri(pathID, GR_GL_PATH_JOIN_STYLE, join));
+        pr->pathParameteri(pathID, GR_GL_PATH_JOIN_STYLE, join);
         GrGLenum cap = cap_to_gl_cap(stroke.getCap());
-        GR_GL_CALL(gl, PathParameteri(pathID, GR_GL_PATH_INITIAL_END_CAP, cap));
-        GR_GL_CALL(gl, PathParameteri(pathID, GR_GL_PATH_TERMINAL_END_CAP, cap));
+        pr->pathParameteri(pathID, GR_GL_PATH_INITIAL_END_CAP, cap);
+        pr->pathParameteri(pathID, GR_GL_PATH_TERMINAL_END_CAP, cap);
     }
 }
 
 GrGLPath::GrGLPath(GrGpuGL* gpu, const SkPath& path, const SkStrokeRec& stroke)
-    : INHERITED(gpu, kIsWrapped, path, stroke) {
+    : INHERITED(gpu, kIsWrapped, path, stroke),
+      fPathID(gpu->pathRendering()->genPaths(1)) {
     SkASSERT(!path.isEmpty());
 
-    fPathID = gpu->createGLPathObject();
-
-    InitPathObject(static_cast<GrGpuGL*>(this->getGpu())->glInterface(),
-                   fPathID, fSkPath, stroke);
+    InitPathObject(gpu, fPathID, fSkPath, stroke);
 
     if (stroke.needToApply()) {
         // FIXME: try to account for stroking, without rasterizing the stroke.
         fBounds.outset(stroke.getWidth(), stroke.getWidth());
     }
 }
 
 GrGLPath::~GrGLPath() {
     this->release();
 }
 
 void GrGLPath::onRelease() {
     if (0 != fPathID && !this->isWrapped()) {
-        static_cast<GrGpuGL*>(this->getGpu())->deleteGLPathObject(fPathID);
+        static_cast<GrGpuGL*>(this->getGpu())->pathRendering()->deletePaths(fPathID, 1);
         fPathID = 0;
     }
 
     INHERITED::onRelease();
 }
 
 void GrGLPath::onAbandon() {
     fPathID = 0;
 
     INHERITED::onAbandon();
 }