| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "GrTextureRenderTargetProxy.h" |
| |
| // Deferred version |
| // This class is virtually derived from GrSurfaceProxy (via both GrTextureProxy and |
| // GrRenderTargetProxy) so its constructor must be explicitly called. |
| GrTextureRenderTargetProxy::GrTextureRenderTargetProxy(const GrCaps& caps, |
| const GrSurfaceDesc& desc, |
| SkBackingFit fit, |
| SkBudgeted budgeted, |
| uint32_t flags) |
| : GrSurfaceProxy(desc, fit, budgeted, flags) |
| // for now textures w/ data are always wrapped |
| , GrTextureProxy(desc, fit, budgeted, nullptr, 0, flags) |
| , GrRenderTargetProxy(caps, desc, fit, budgeted, flags) { |
| } |
| |
| // Wrapped version |
| // This class is virtually derived from GrSurfaceProxy (via both GrTextureProxy and |
| // GrRenderTargetProxy) so its constructor must be explicitly called. |
| GrTextureRenderTargetProxy::GrTextureRenderTargetProxy(sk_sp<GrSurface> surf) |
| : GrSurfaceProxy(surf, SkBackingFit::kExact) |
| , GrTextureProxy(surf) |
| , GrRenderTargetProxy(surf) { |
| SkASSERT(surf->asTexture()); |
| SkASSERT(surf->asRenderTarget()); |
| } |
| |
| size_t GrTextureRenderTargetProxy::onUninstantiatedGpuMemorySize() const { |
| int colorSamplesPerPixel = this->numColorSamples() + 1; |
| |
| static const bool kHasMipMaps = true; |
| // TODO: add tracking of mipmap state to improve the estimate. We track whether we are created |
| // with mip maps but not whether a texture read from the proxy will lazily generate mip maps. |
| |
| // TODO: do we have enough information to improve this worst case estimate? |
| return GrSurface::ComputeSize(fConfig, fWidth, fHeight, colorSamplesPerPixel, kHasMipMaps, |
| SkBackingFit::kApprox == fFit); |
| } |
| |
| bool GrTextureRenderTargetProxy::instantiate(GrResourceProvider* resourceProvider) { |
| static constexpr GrSurfaceFlags kFlags = kRenderTarget_GrSurfaceFlag; |
| |
| if (!this->instantiateImpl(resourceProvider, this->numStencilSamples(), kFlags, |
| this->isMipMapped(), this->mipColorMode())) { |
| return false; |
| } |
| SkASSERT(fTarget->asRenderTarget()); |
| SkASSERT(fTarget->asTexture()); |
| |
| return true; |
| } |
| |
| sk_sp<GrSurface> GrTextureRenderTargetProxy::createSurface( |
| GrResourceProvider* resourceProvider) const { |
| static constexpr GrSurfaceFlags kFlags = kRenderTarget_GrSurfaceFlag; |
| |
| sk_sp<GrSurface> surface = this->createSurfaceImpl(resourceProvider, this->numStencilSamples(), |
| kFlags, this->isMipMapped(), |
| this->mipColorMode()); |
| if (!surface) { |
| return nullptr; |
| } |
| SkASSERT(surface->asRenderTarget()); |
| SkASSERT(surface->asTexture()); |
| |
| return surface; |
| } |
| |