| // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "gpu/skia_bindings/grcontext_for_gles2_interface.h" |
| |
| #include <stddef.h> |
| #include <string.h> |
| #include <utility> |
| |
| #include "base/lazy_instance.h" |
| #include "base/macros.h" |
| #include "base/system/sys_info.h" |
| #include "base/trace_event/trace_event.h" |
| #include "gpu/command_buffer/client/gles2_interface.h" |
| #include "gpu/command_buffer/common/capabilities.h" |
| #include "gpu/skia_bindings/gl_bindings_skia_cmd_buffer.h" |
| #include "gpu/skia_bindings/gles2_implementation_with_grcontext_support.h" |
| #include "third_party/skia/include/gpu/GrContext.h" |
| #include "third_party/skia/include/gpu/GrContextOptions.h" |
| #include "third_party/skia/include/gpu/gl/GrGLInterface.h" |
| |
| namespace skia_bindings { |
| |
| GrContextForGLES2Interface::GrContextForGLES2Interface( |
| gpu::gles2::GLES2Interface* gl, |
| gpu::ContextSupport* context_support, |
| const gpu::Capabilities& capabilities, |
| size_t max_resource_cache_bytes, |
| size_t max_glyph_cache_texture_bytes) |
| : context_support_(context_support) { |
| // The limit of the number of GPU resources we hold in the GrContext's |
| // GPU cache. |
| static const int kMaxGaneshResourceCacheCount = 16384; |
| |
| GrContextOptions options; |
| options.fGlyphCacheTextureMaximumBytes = max_glyph_cache_texture_bytes; |
| options.fAvoidStencilBuffers = capabilities.avoid_stencil_buffers; |
| options.fAllowPathMaskCaching = false; |
| options.fSharpenMipmappedTextures = true; |
| sk_sp<GrGLInterface> interface( |
| skia_bindings::CreateGLES2InterfaceBindings(gl, context_support)); |
| gr_context_ = GrContext::MakeGL(std::move(interface), options); |
| if (gr_context_) { |
| gr_context_->setResourceCacheLimits(kMaxGaneshResourceCacheCount, |
| max_resource_cache_bytes); |
| context_support_->SetGrContext(gr_context_.get()); |
| } |
| } |
| |
| GrContextForGLES2Interface::~GrContextForGLES2Interface() { |
| // At this point the GLES2Interface is going to be destroyed, so have |
| // the GrContext clean up and not try to use it anymore. |
| if (gr_context_) { |
| gr_context_->releaseResourcesAndAbandonContext(); |
| context_support_->SetGrContext(nullptr); |
| } |
| } |
| |
| void GrContextForGLES2Interface::OnLostContext() { |
| if (gr_context_) |
| gr_context_->abandonContext(); |
| } |
| |
| void GrContextForGLES2Interface::FreeGpuResources() { |
| if (gr_context_) { |
| TRACE_EVENT_INSTANT0("gpu", "GrContext::freeGpuResources", |
| TRACE_EVENT_SCOPE_THREAD); |
| gr_context_->freeGpuResources(); |
| } |
| } |
| |
| GrContext* GrContextForGLES2Interface::get() { |
| return gr_context_.get(); |
| } |
| |
| } // namespace skia_bindings |