Make stencils be attachable to render targets created via SkSurface::MakeFromBackendTextureAsRender…

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 705 matching lines @@
     if (!desc.fTextureHandle) {
         return nullptr;
     }
 #else
     const GrGLTextureInfo* info = reinterpret_cast<const GrGLTextureInfo*>(desc.fTextureHandle);
     if (!info || !info->fID) {
         return nullptr;
     }
 #endif
 
-    GrGLTextureInfo texInfo;
+    GrGLTexture::IDDesc idDesc;
+    idDesc.fOwnership = GrBackendObjectOwnership::kBorrowed;
     GrSurfaceDesc surfDesc;
 
 #ifdef SK_IGNORE_GL_TEXTURE_TARGET
-    texInfo.fID = static_cast<GrGLuint>(desc.fTextureHandle);
+    idDesc.fInfo.fID = static_cast<GrGLuint>(desc.fTextureHandle);
     // We only support GL_TEXTURE_2D at the moment.
-    texInfo.fTarget = GR_GL_TEXTURE_2D;
+    idDesc.fInfo.fTarget = GR_GL_TEXTURE_2D;
 #else
-    texInfo = *info;
+    idDesc.fInfo = *info;
 #endif
 
-    if (GR_GL_TEXTURE_RECTANGLE != texInfo.fTarget &&
-        GR_GL_TEXTURE_2D != texInfo.fTarget) {
+    if (GR_GL_TEXTURE_RECTANGLE != idDesc.fInfo.fTarget &&
+        GR_GL_TEXTURE_2D != idDesc.fInfo.fTarget) {
         // Only texture rectangle and texture 2d are supported. We do not check whether texture
         // rectangle is supported by Skia - if the caller provided us with a texture rectangle,
         // we assume the necessary support exists.
         return nullptr;
     }
 
     surfDesc.fFlags = (GrSurfaceFlags) desc.fFlags;
     surfDesc.fWidth = desc.fWidth;
     surfDesc.fHeight = desc.fHeight;
     surfDesc.fConfig = desc.fConfig;
     surfDesc.fSampleCnt = SkTMin(desc.fSampleCnt, this->caps()->maxSampleCount());
     // FIXME:  this should be calling resolve_origin(), but Chrome code is currently
     // assuming the old behaviour, which is that backend textures are always
     // BottomLeft, even for non-RT's.  Once Chrome is fixed, change this to:
     // glTexDesc.fOrigin = resolve_origin(desc.fOrigin, renderTarget);
     if (kDefault_GrSurfaceOrigin == desc.fOrigin) {
         surfDesc.fOrigin = kBottomLeft_GrSurfaceOrigin;
     } else {
         surfDesc.fOrigin = desc.fOrigin;
     }
 
     GrGLRenderTarget::IDDesc rtIDDesc;
-    if (!this->createRenderTargetObjects(surfDesc, texInfo, &rtIDDesc)) {
+    if (!this->createRenderTargetObjects(surfDesc, idDesc.fInfo, &rtIDDesc)) {
         return nullptr;
     }
-    return GrGLRenderTarget::CreateWrapped(this, surfDesc, rtIDDesc, 0);
+    return GrGLTextureRenderTarget::CreateWrapped(this, surfDesc, idDesc, rtIDDesc);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 
 bool GrGLGpu::onGetWritePixelsInfo(GrSurface* dstSurface, int width, int height,
                                    GrPixelConfig srcConfig,
                                    DrawPreference* drawPreference,
                                    WritePixelTempDrawInfo* tempDrawInfo) {
     if (kIndex_8_GrPixelConfig == srcConfig || GrPixelConfigIsCompressed(dstSurface->config())) {
         return false;
@@ skipping 3471 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;
 }