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vaapi_drm_picture.cc
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vaapi_drm_picture.cc
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// Copyright 2014 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 "base/file_descriptor_posix.h"
#include "media/gpu/va_surface.h"
#include "media/gpu/vaapi_drm_picture.h"
#include "media/gpu/vaapi_wrapper.h"
#include "third_party/libva/va/drm/va_drm.h"
#include "third_party/libva/va/va.h"
#include "ui/gfx/gpu_memory_buffer.h"
#include "ui/gl/gl_bindings.h"
#include "ui/gl/scoped_binders.h"
#include "ui/ozone/gl/gl_image_ozone_native_pixmap.h"
#include "ui/ozone/public/native_pixmap.h"
#include "ui/ozone/public/ozone_platform.h"
#include "ui/ozone/public/surface_factory_ozone.h"
namespace media {
VaapiDrmPicture::VaapiDrmPicture(
const scoped_refptr<VaapiWrapper>& vaapi_wrapper,
const MakeGLContextCurrentCallback& make_context_current_cb,
const BindGLImageCallback& bind_image_cb,
int32_t picture_buffer_id,
const gfx::Size& size,
uint32_t texture_id,
uint32_t client_texture_id)
: VaapiPicture(vaapi_wrapper,
make_context_current_cb,
bind_image_cb,
picture_buffer_id,
size,
texture_id,
client_texture_id) {}
VaapiDrmPicture::~VaapiDrmPicture() {
if (gl_image_ && make_context_current_cb_.Run()) {
gl_image_->ReleaseTexImage(GL_TEXTURE_EXTERNAL_OES);
DCHECK_EQ(glGetError(), static_cast<GLenum>(GL_NO_ERROR));
}
}
static unsigned BufferFormatToInternalFormat(gfx::BufferFormat format) {
switch (format) {
case gfx::BufferFormat::BGRA_8888:
return GL_BGRA_EXT;
case gfx::BufferFormat::YVU_420:
return GL_RGB_YCRCB_420_CHROMIUM;
default:
NOTREACHED();
return GL_BGRA_EXT;
}
}
bool VaapiDrmPicture::Initialize() {
DCHECK(pixmap_);
va_surface_ = vaapi_wrapper_->CreateVASurfaceForPixmap(pixmap_);
if (!va_surface_) {
LOG(ERROR) << "Failed creating VASurface for NativePixmap";
return false;
}
pixmap_->SetProcessingCallback(
base::Bind(&VaapiWrapper::ProcessPixmap, vaapi_wrapper_));
if (texture_id_ != 0 && !make_context_current_cb_.is_null()) {
if (!make_context_current_cb_.Run())
return false;
gl::ScopedTextureBinder texture_binder(GL_TEXTURE_EXTERNAL_OES,
texture_id_);
gfx::BufferFormat format = pixmap_->GetBufferFormat();
scoped_refptr<ui::GLImageOzoneNativePixmap> image(
new ui::GLImageOzoneNativePixmap(size_,
BufferFormatToInternalFormat(format)));
if (!image->Initialize(pixmap_.get(), format)) {
LOG(ERROR) << "Failed to create GLImage";
return false;
}
gl_image_ = image;
if (!gl_image_->BindTexImage(GL_TEXTURE_EXTERNAL_OES)) {
LOG(ERROR) << "Failed to bind texture to GLImage";
return false;
}
}
if (client_texture_id_ != 0 && !bind_image_cb_.is_null()) {
if (!bind_image_cb_.Run(client_texture_id_, GL_TEXTURE_EXTERNAL_OES,
gl_image_, true)) {
LOG(ERROR) << "Failed to bind client_texture_id";
return false;
}
}
return true;
}
bool VaapiDrmPicture::Allocate(gfx::BufferFormat format) {
ui::OzonePlatform* platform = ui::OzonePlatform::GetInstance();
ui::SurfaceFactoryOzone* factory = platform->GetSurfaceFactoryOzone();
pixmap_ = factory->CreateNativePixmap(gfx::kNullAcceleratedWidget, size_,
format, gfx::BufferUsage::SCANOUT);
if (!pixmap_) {
DVLOG(1) << "Failed allocating a pixmap";
return false;
}
return Initialize();
}
bool VaapiDrmPicture::ImportGpuMemoryBufferHandle(
gfx::BufferFormat format,
const gfx::GpuMemoryBufferHandle& gpu_memory_buffer_handle) {
ui::OzonePlatform* platform = ui::OzonePlatform::GetInstance();
ui::SurfaceFactoryOzone* factory = platform->GetSurfaceFactoryOzone();
// CreateNativePixmapFromHandle() will take ownership of the handle.
pixmap_ = factory->CreateNativePixmapFromHandle(
gfx::kNullAcceleratedWidget, size_, format,
gpu_memory_buffer_handle.native_pixmap_handle);
if (!pixmap_) {
DVLOG(1) << "Failed creating a pixmap from a native handle";
return false;
}
return Initialize();
}
bool VaapiDrmPicture::DownloadFromSurface(
const scoped_refptr<VASurface>& va_surface) {
return vaapi_wrapper_->BlitSurface(va_surface, va_surface_);
}
bool VaapiDrmPicture::AllowOverlay() const {
return true;
}
} // namespace media