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// 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/trace_event/trace_event.h"
#include "gpu/command_buffer/client/gles2_interface.h"
#include "gpu/skia_bindings/gl_bindings_skia_cmd_buffer.h"
#include "third_party/skia/include/gpu/GrContext.h"
#include "third_party/skia/include/gpu/gl/GrGLInterface.h"
namespace skia_bindings {
GrContextForGLES2Interface::GrContextForGLES2Interface(
gpu::gles2::GLES2Interface* gl) {
sk_sp<GrGLInterface> interface(
skia_bindings::CreateGLES2InterfaceBindings(gl));
gr_context_ = sk_sp<GrContext>(
GrContext::Create(kOpenGL_GrBackend,
// GrContext takes ownership of |interface|.
reinterpret_cast<GrBackendContext>(interface.get())));
if (gr_context_) {
// The limit of the number of GPU resources we hold in the GrContext's
// GPU cache.
static const int kMaxGaneshResourceCacheCount = 8196;
// The limit of the bytes allocated toward GPU resources in the GrContext's
// GPU cache.
static const size_t kMaxGaneshResourceCacheBytes = 96 * 1024 * 1024;
gr_context_->setResourceCacheLimits(kMaxGaneshResourceCacheCount,
kMaxGaneshResourceCacheBytes);
}
}
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();
}
void GrContextForGLES2Interface::OnLostContext() {
if (gr_context_)
gr_context_->abandonContext();
}
void GrContextForGLES2Interface::ResetContext(uint32_t state) {
if (gr_context_)
gr_context_->resetContext(state);
}
void GrContextForGLES2Interface::FreeGpuResources() {
if (gr_context_) {
TRACE_EVENT_INSTANT0("gpu", "GrContext::freeGpuResources",
TRACE_EVENT_SCOPE_THREAD);
gr_context_->freeGpuResources();
}
}
} // namespace skia_bindings
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