Separate user and raw stencil settings

src/gpu/gl/GrGLGpu.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGLGpu.h"
 #include "GrGLBuffer.h"
 #include "GrGLGLSL.h"
@@ skipping 2851 matching lines @@
             }
         }
         rt->flagAsResolved();
     }
 }
 
 namespace {
 
 
 GrGLenum gr_to_gl_stencil_op(GrStencilOp op) {
-    static const GrGLenum gTable[] = {
-        GR_GL_KEEP,        // kKeep_StencilOp
-        GR_GL_REPLACE,     // kReplace_StencilOp
-        GR_GL_INCR_WRAP,   // kIncWrap_StencilOp
-        GR_GL_INCR,        // kIncClamp_StencilOp
-        GR_GL_DECR_WRAP,   // kDecWrap_StencilOp
-        GR_GL_DECR,        // kDecClamp_StencilOp
-        GR_GL_ZERO,        // kZero_StencilOp
-        GR_GL_INVERT,      // kInvert_StencilOp
+    static const GrGLenum gTable[kGrStencilOpCount] = {
+        GR_GL_KEEP,        // kKeep
+        GR_GL_ZERO,        // kZero
+        GR_GL_REPLACE,     // kReplace
+        GR_GL_INVERT,      // kInvert
+        GR_GL_INCR_WRAP,   // kIncWrap
+        GR_GL_DECR_WRAP,   // kDecWrap
+        GR_GL_INCR,        // kIncClamp
+        GR_GL_DECR,        // kDecClamp
     };
-    GR_STATIC_ASSERT(SK_ARRAY_COUNT(gTable) == kStencilOpCnt);
-    GR_STATIC_ASSERT(0 == kKeep_StencilOp);
-    GR_STATIC_ASSERT(1 == kReplace_StencilOp);
-    GR_STATIC_ASSERT(2 == kIncWrap_StencilOp);
-    GR_STATIC_ASSERT(3 == kIncClamp_StencilOp);
-    GR_STATIC_ASSERT(4 == kDecWrap_StencilOp);
-    GR_STATIC_ASSERT(5 == kDecClamp_StencilOp);
-    GR_STATIC_ASSERT(6 == kZero_StencilOp);
-    GR_STATIC_ASSERT(7 == kInvert_StencilOp);
-    SkASSERT((unsigned) op < kStencilOpCnt);
-    return gTable[op];
+    GR_STATIC_ASSERT(0 == (int)GrStencilOp::kKeep);
+    GR_STATIC_ASSERT(1 == (int)GrStencilOp::kZero);
+    GR_STATIC_ASSERT(2 == (int)GrStencilOp::kReplace);
+    GR_STATIC_ASSERT(3 == (int)GrStencilOp::kInvert);
+    GR_STATIC_ASSERT(4 == (int)GrStencilOp::kIncWrap);
+    GR_STATIC_ASSERT(5 == (int)GrStencilOp::kDecWrap);
+    GR_STATIC_ASSERT(6 == (int)GrStencilOp::kIncClamp);
+    GR_STATIC_ASSERT(7 == (int)GrStencilOp::kDecClamp);
+    SkASSERT(op < (GrStencilOp)kGrStencilOpCount);
+    return gTable[(int)op];
 }
 
 void set_gl_stencil(const GrGLInterface* gl,
-                    const GrStencilSettings& settings,
-                    GrGLenum glFace,
-                    GrStencilSettings::Face grFace) {
-    GrGLenum glFunc = GrToGLStencilFunc(settings.func(grFace));
-    GrGLenum glFailOp = gr_to_gl_stencil_op(settings.failOp(grFace));
-    GrGLenum glPassOp = gr_to_gl_stencil_op(settings.passOp(grFace));
+                    const GrStencilSettings::Face& face,
+                    GrGLenum glFace) {
+    GrGLenum glFunc = GrToGLStencilFunc(face.fTest);
+    GrGLenum glFailOp = gr_to_gl_stencil_op(face.fFailOp);
+    GrGLenum glPassOp = gr_to_gl_stencil_op(face.fPassOp);
 
-    GrGLint ref = settings.funcRef(grFace);
-    GrGLint mask = settings.funcMask(grFace);
-    GrGLint writeMask = settings.writeMask(grFace);
+    GrGLint ref = face.fRef;
+    GrGLint mask = face.fTestMask;
+    GrGLint writeMask = face.fWriteMask;
 
     if (GR_GL_FRONT_AND_BACK == glFace) {
         // we call the combined func just in case separate stencil is not
         // supported.
         GR_GL_CALL(gl, StencilFunc(glFunc, ref, mask));
         GR_GL_CALL(gl, StencilMask(writeMask));
         GR_GL_CALL(gl, StencilOp(glFailOp, GR_GL_KEEP, glPassOp));
     } else {
         GR_GL_CALL(gl, StencilFuncSeparate(glFace, glFunc, ref, mask));
         GR_GL_CALL(gl, StencilMaskSeparate(glFace, writeMask));
         GR_GL_CALL(gl, StencilOpSeparate(glFace, glFailOp, GR_GL_KEEP, glPassOp));
     }
 }
 }
 
 void GrGLGpu::flushStencil(const GrStencilSettings& stencilSettings) {
     if (fHWStencilSettings != stencilSettings) {
         if (stencilSettings.isDisabled()) {
             if (kNo_TriState != fHWStencilTestEnabled) {
                 GL_CALL(Disable(GR_GL_STENCIL_TEST));
                 fHWStencilTestEnabled = kNo_TriState;
             }
         } else {
             if (kYes_TriState != fHWStencilTestEnabled) {
                 GL_CALL(Enable(GR_GL_STENCIL_TEST));
                 fHWStencilTestEnabled = kYes_TriState;
             }
         }
         if (!stencilSettings.isDisabled()) {
-            if (this->caps()->twoSidedStencilSupport()) {
+            if (stencilSettings.isTwoSided()) {
+                SkASSERT(this->caps()->twoSidedStencilSupport());
                 set_gl_stencil(this->glInterface(),
-                               stencilSettings,
-                               GR_GL_FRONT,
-                               GrStencilSettings::kFront_Face);
+                               stencilSettings.front(),
+                               GR_GL_FRONT);
                 set_gl_stencil(this->glInterface(),
-                               stencilSettings,
-                               GR_GL_BACK,
-                               GrStencilSettings::kBack_Face);
+                               stencilSettings.back(),
+                               GR_GL_BACK);
             } else {
                 set_gl_stencil(this->glInterface(),
-                               stencilSettings,
-                               GR_GL_FRONT_AND_BACK,
-                               GrStencilSettings::kFront_Face);
+                               stencilSettings.front(),
+                               GR_GL_FRONT_AND_BACK);
             }
         }
         fHWStencilSettings = stencilSettings;
     }
 }
 
 void GrGLGpu::flushHWAAState(GrRenderTarget* rt, bool useHWAA, bool stencilEnabled) {
     // rt is only optional if useHWAA is false.
     SkASSERT(rt || !useHWAA);
     SkASSERT(!useHWAA || rt->isStencilBufferMultisampled());
@@ skipping 1287 matching lines @@
         if (GR_GL_TEXTURE_EXTERNAL == glTexture->target() ||
             GR_GL_TEXTURE_RECTANGLE == glTexture->target()) {
             copyParams->fFilter = GrTextureParams::kNone_FilterMode;
             copyParams->fWidth = texture->width();
             copyParams->fHeight = texture->height();
             return true;
         }
     }
     return false;
 }