1f05f44e8f
BUG=skia: GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4066 Change-Id: Ib42dbe70e868c83bdf06e370388e0cc7639a0992 Reviewed-on: https://skia-review.googlesource.com/4066 Reviewed-by: Jim Van Verth <jvanverth@google.com> Commit-Queue: Greg Daniel <egdaniel@google.com>
64 lines
2.2 KiB
C++
64 lines
2.2 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 "WindowContext.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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namespace sk_app {
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sk_sp<SkSurface> WindowContext::createOffscreenSurface(bool forceSRGB) {
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return createSurface(nullptr, 0, true, forceSRGB);
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}
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sk_sp<SkSurface> WindowContext::createRenderSurface(const GrBackendRenderTargetDesc& desc,
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int colorBits) {
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return createSurface(&desc, colorBits, false, false);
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}
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sk_sp<SkSurface> WindowContext::createSurface(
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const GrBackendRenderTargetDesc* rtDesc, int colorBits, bool offscreen, bool forceSRGB) {
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if (!this->isGpuContext() || colorBits > 24 || offscreen ||
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kRGBA_F16_SkColorType == fDisplayParams.fColorType) {
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// If we're rendering to F16, we need an off-screen surface - the current render
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// target is most likely the wrong format.
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//
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// If we're rendering raster data or using a deep (10-bit or higher) surface, we probably
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// need an off-screen surface. 10-bit, in particular, has strange gamma behavior.
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SkImageInfo info = SkImageInfo::Make(
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fWidth, fHeight,
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fDisplayParams.fColorType,
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kPremul_SkAlphaType,
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forceSRGB ? SkColorSpace::MakeNamed(SkColorSpace::kSRGB_Named)
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: fDisplayParams.fColorSpace
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);
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if (this->isGpuContext()) {
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return SkSurface::MakeRenderTarget(fContext, SkBudgeted::kNo, info,
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fDisplayParams.fMSAASampleCount, &fSurfaceProps);
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} else {
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return SkSurface::MakeRaster(info, &fSurfaceProps);
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}
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} else {
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sk_sp<SkColorSpace> colorSpace = GrPixelConfigIsSRGB(rtDesc->fConfig)
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? SkColorSpace::MakeNamed(SkColorSpace::kSRGB_Named) : nullptr;
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return SkSurface::MakeFromBackendRenderTarget(fContext, *rtDesc, colorSpace,
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&fSurfaceProps);
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}
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}
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} //namespace sk_app
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