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// Copyright 2018 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/command_buffer/service/validating_abstract_texture_impl.h"
#include "gpu/command_buffer/service/context_group.h"
#include "gpu/command_buffer/service/error_state.h"
#include "gpu/command_buffer/service/texture_manager.h"
#include "ui/gl/gl_context.h"
#include "ui/gl/scoped_binders.h"
#include "ui/gl/scoped_make_current.h"
namespace gpu {
namespace gles2 {
ValidatingAbstractTextureImpl::ValidatingAbstractTextureImpl(
scoped_refptr<TextureRef> texture_ref,
DecoderContext* decoder_context,
DestructionCB destruction_cb)
: texture_ref_(std::move(texture_ref)),
decoder_context_(decoder_context),
destruction_cb_(std::move(destruction_cb)) {}
ValidatingAbstractTextureImpl::~ValidatingAbstractTextureImpl() {
if (cleanup_cb_) {
DCHECK(texture_ref_);
std::move(cleanup_cb_).Run(this);
}
if (destruction_cb_)
std::move(destruction_cb_).Run(this, std::move(texture_ref_));
DCHECK(!texture_ref_);
}
TextureBase* ValidatingAbstractTextureImpl::GetTextureBase() const {
if (!texture_ref_)
return nullptr;
return texture_ref_->texture();
}
void ValidatingAbstractTextureImpl::SetParameteri(GLenum pname, GLint param) {
if (!texture_ref_)
return;
gl::ScopedTextureBinder binder(texture_ref_->texture()->target(),
service_id());
GetTextureManager()->SetParameteri(__func__, GetErrorState(),
texture_ref_.get(), pname, param);
}
void ValidatingAbstractTextureImpl::BindImage(gl::GLImage* image,
bool client_managed) {
if (!texture_ref_)
return;
const GLuint target = texture_ref_->texture()->target();
const GLint level = 0;
// If there is a decoder-managed image bound, release it.
if (decoder_managed_image_) {
Texture::ImageState image_state;
gl::GLImage* current_image =
texture_ref_->texture()->GetLevelImage(target, 0, &image_state);
if (current_image && image_state == Texture::BOUND)
current_image->ReleaseTexImage(target);
}
// Configure the new image.
decoder_managed_image_ = image && !client_managed;
Texture::ImageState state = image && client_managed
? Texture::ImageState::BOUND
: Texture::ImageState::UNBOUND;
GetTextureManager()->SetLevelImage(texture_ref_.get(), target, level, image,
state);
GetTextureManager()->SetLevelCleared(texture_ref_.get(), target, level,
image);
}
void ValidatingAbstractTextureImpl::BindStreamTextureImage(gl::GLImage* image,
GLuint service_id) {
DCHECK(image);
DCHECK(!decoder_managed_image_);
if (!texture_ref_)
return;
const GLint level = 0;
const GLuint target = texture_ref_->texture()->target();
// We set the state to UNBOUND, so that CopyTexImage is called.
GetTextureManager()->SetLevelStreamTextureImage(
texture_ref_.get(), target, level, image, Texture::ImageState::UNBOUND,
service_id);
SetCleared();
}
gl::GLImage* ValidatingAbstractTextureImpl::GetImage() const {
if (!texture_ref_)
return nullptr;
const GLuint target = texture_ref_->texture()->target();
const GLint level = 0;
return texture_ref_->texture()->GetLevelImage(target, level, nullptr);
}
void ValidatingAbstractTextureImpl::SetCleared() {
if (!texture_ref_)
return;
const GLint level = 0;
GetTextureManager()->SetLevelCleared(
texture_ref_.get(), texture_ref_->texture()->target(), level, true);
}
void ValidatingAbstractTextureImpl::SetCleanupCallback(CleanupCallback cb) {
cleanup_cb_ = std::move(cb);
}
TextureManager* ValidatingAbstractTextureImpl::GetTextureManager() const {
DCHECK(decoder_context_);
return GetContextGroup()->texture_manager();
}
ContextGroup* ValidatingAbstractTextureImpl::GetContextGroup() const {
DCHECK(decoder_context_);
return decoder_context_->GetContextGroup();
}
ErrorState* ValidatingAbstractTextureImpl::GetErrorState() const {
DCHECK(decoder_context_);
return decoder_context_->GetErrorState();
}
void ValidatingAbstractTextureImpl::OnDecoderWillDestroy(bool have_context) {
// If we don't have a context, then notify the TextureRef not to delete itself
// if this is the last reference.
destruction_cb_ = DestructionCB();
decoder_context_ = nullptr;
// If we already got rid of the texture ref, then there's nothing to do.
if (!texture_ref_)
return;
if (cleanup_cb_)
std::move(cleanup_cb_).Run(this);
// If we have no context, then notify the TextureRef in case it's the last
// ref to the texture.
if (!have_context)
texture_ref_->ForceContextLost();
texture_ref_ = nullptr;
}
TextureRef* ValidatingAbstractTextureImpl::GetTextureRefForTesting() {
return texture_ref_.get();
}
} // namespace gles2
} // namespace gpu
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