e3bd422faf
This reverts commit fdd77daedb.
Reason for revert: Apparently I have a few more build files to update before this can land.
Original change's description:
> Plumb the use of GrBackendRenderTarget throughout Skia
>
> Bug: skia:
> Change-Id: Ib99a58d9552f5c7b8d77c09dcc72fa88326c26aa
> Reviewed-on: https://skia-review.googlesource.com/14148
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Reviewed-by: Robert Phillips <robertphillips@google.com>
> Commit-Queue: Greg Daniel <egdaniel@google.com>
>
TBR=egdaniel@google.com,bsalomon@google.com,robertphillips@google.com,reviews@skia.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
Change-Id: I984e1909870182474c4c3cce257f01b6a9d8581f
Reviewed-on: https://skia-review.googlesource.com/14531
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
112 lines
3.2 KiB
C++
112 lines
3.2 KiB
C++
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/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "GrContext.h"
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#include "SkSurface.h"
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#include "GLWindowContext.h"
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#include "gl/GrGLDefines.h"
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#include "gl/GrGLUtil.h"
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#include "GrRenderTarget.h"
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#include "GrContext.h"
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#include "SkCanvas.h"
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#include "SkImage_Base.h"
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#include "SkMathPriv.h"
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namespace sk_app {
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GLWindowContext::GLWindowContext(const DisplayParams& params)
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: WindowContext()
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, fBackendContext(nullptr)
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, fSurface(nullptr) {
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fDisplayParams = params;
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fDisplayParams.fMSAASampleCount = fDisplayParams.fMSAASampleCount ?
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GrNextPow2(fDisplayParams.fMSAASampleCount) :
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0;
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}
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void GLWindowContext::initializeContext() {
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this->onInitializeContext();
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SkASSERT(nullptr == fContext);
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fBackendContext.reset(GrGLCreateNativeInterface());
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fContext = GrContext::Create(kOpenGL_GrBackend, (GrBackendContext)fBackendContext.get(),
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fDisplayParams.fGrContextOptions);
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if (!fContext && fDisplayParams.fMSAASampleCount) {
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fDisplayParams.fMSAASampleCount /= 2;
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this->initializeContext();
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return;
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}
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if (fContext) {
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// We may not have real sRGB support (ANGLE, in particular), so check for
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// that, and fall back to L32:
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fPixelConfig = fContext->caps()->srgbSupport() && fDisplayParams.fColorSpace
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? kSRGBA_8888_GrPixelConfig : kRGBA_8888_GrPixelConfig;
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} else {
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fPixelConfig = kUnknown_GrPixelConfig;
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}
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}
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void GLWindowContext::destroyContext() {
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fSurface.reset(nullptr);
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if (fContext) {
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// in case we have outstanding refs to this guy (lua?)
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fContext->abandonContext();
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fContext->unref();
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fContext = nullptr;
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}
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fBackendContext.reset(nullptr);
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this->onDestroyContext();
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}
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sk_sp<SkSurface> GLWindowContext::getBackbufferSurface() {
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if (nullptr == fSurface) {
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if (fContext) {
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GrBackendRenderTargetDesc desc;
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desc.fWidth = this->fWidth;
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desc.fHeight = this->fHeight;
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desc.fConfig = fPixelConfig;
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desc.fOrigin = kBottomLeft_GrSurfaceOrigin;
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desc.fSampleCnt = fSampleCount;
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desc.fStencilBits = fStencilBits;
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GrGLint buffer;
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GR_GL_CALL(fBackendContext.get(), GetIntegerv(GR_GL_FRAMEBUFFER_BINDING, &buffer));
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desc.fRenderTargetHandle = buffer;
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fSurface = SkSurface::MakeFromBackendRenderTarget(fContext, desc,
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fDisplayParams.fColorSpace,
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&fSurfaceProps);
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}
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}
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return fSurface;
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}
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void GLWindowContext::swapBuffers() {
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this->onSwapBuffers();
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}
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void GLWindowContext::resize(int w, int h) {
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this->destroyContext();
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this->initializeContext();
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}
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void GLWindowContext::setDisplayParams(const DisplayParams& params) {
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this->destroyContext();
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fDisplayParams = params;
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this->initializeContext();
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}
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} //namespace sk_app
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