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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 "media/gpu/vaapi/vaapi_picture_native_pixmap_egl.h"
#include "base/file_descriptor_posix.h"
#include "gpu/command_buffer/common/gpu_memory_buffer_support.h"
#include "media/gpu/vaapi/va_surface.h"
#include "media/gpu/vaapi/vaapi_status.h"
#include "media/gpu/vaapi/vaapi_wrapper.h"
#include "ui/gfx/linux/native_pixmap_dmabuf.h"
#include "ui/gfx/native_pixmap.h"
#include "ui/gl/gl_bindings.h"
#include "ui/gl/gl_image_native_pixmap.h"
#include "ui/gl/scoped_binders.h"
namespace media {
VaapiPictureNativePixmapEgl::VaapiPictureNativePixmapEgl(
scoped_refptr<VaapiWrapper> vaapi_wrapper,
const MakeGLContextCurrentCallback& make_context_current_cb,
const BindGLImageCallback& bind_image_cb,
int32_t picture_buffer_id,
const gfx::Size& visible_size,
const gfx::Size& size,
uint32_t texture_id,
uint32_t client_texture_id,
uint32_t texture_target)
: VaapiPictureNativePixmap(std::move(vaapi_wrapper),
make_context_current_cb,
bind_image_cb,
picture_buffer_id,
size,
visible_size,
texture_id,
client_texture_id,
texture_target) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(texture_id);
DCHECK(client_texture_id);
}
VaapiPictureNativePixmapEgl::~VaapiPictureNativePixmapEgl() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (gl_image_ && make_context_current_cb_.Run()) {
gl_image_->ReleaseTexImage(texture_target_);
DCHECK_EQ(glGetError(), static_cast<GLenum>(GL_NO_ERROR));
}
}
VaapiStatus VaapiPictureNativePixmapEgl::Initialize(
scoped_refptr<gfx::NativePixmap> pixmap) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(pixmap);
DCHECK(pixmap->AreDmaBufFdsValid());
// Create a |va_surface_| from dmabuf fds (pixmap->GetDmaBufFd)
va_surface_ = vaapi_wrapper_->CreateVASurfaceForPixmap(std::move(pixmap));
if (!va_surface_) {
LOG(ERROR) << "Failed creating VASurface for NativePixmap";
return VaapiStatus::Codes::kNoSurface;
}
if (bind_image_cb_ &&
!bind_image_cb_.Run(client_texture_id_, texture_target_, gl_image_,
true /* can_bind_to_sampler */)) {
LOG(ERROR) << "Failed to bind client_texture_id";
return VaapiStatus::Codes::kFailedToBindImage;
}
return VaapiStatus::Codes::kOk;
}
VaapiStatus VaapiPictureNativePixmapEgl::Allocate(gfx::BufferFormat format) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
// Export the gl texture as dmabuf.
if (make_context_current_cb_ && !make_context_current_cb_.Run())
return VaapiStatus::Codes::kBadContext;
// TODO(b/220336463): plumb the right color space.
auto image =
base::MakeRefCounted<gl::GLImageNativePixmap>(visible_size_, format);
// Create an EGLImage from a gl texture
if (!image->InitializeFromTexture(texture_id_)) {
DLOG(ERROR) << "Failed to initialize eglimage from texture id: "
<< texture_id_;
return VaapiStatus::Codes::kFailedToInitializeImage;
}
// Export the EGLImage as dmabuf.
gfx::NativePixmapHandle native_pixmap_handle = image->ExportHandle();
if (!native_pixmap_handle.planes.size()) {
DLOG(ERROR) << "Failed to export EGLImage as dmabuf fds";
return VaapiStatus::Codes::kFailedToExportImage;
}
if (size_.width() > static_cast<int>(native_pixmap_handle.planes[0].stride) ||
size_.GetArea() > static_cast<int>(native_pixmap_handle.planes[0].size)) {
DLOG(ERROR) << "EGLImage (stride=" << native_pixmap_handle.planes[0].stride
<< ", size=" << native_pixmap_handle.planes[0].size
<< "is smaller than size_=" << size_.ToString();
return VaapiStatus::Codes::kBadImageSize;
}
// Convert NativePixmapHandle to NativePixmapDmaBuf.
scoped_refptr<gfx::NativePixmap> native_pixmap_dmabuf(
new gfx::NativePixmapDmaBuf(size_, format,
std::move(native_pixmap_handle)));
if (!native_pixmap_dmabuf->AreDmaBufFdsValid()) {
DLOG(ERROR) << "Invalid dmabuf fds";
return VaapiStatus::Codes::kNoBufferHandle;
}
if (!image->BindTexImage(texture_target_)) {
DLOG(ERROR) << "Failed to bind texture to GLImage";
return VaapiStatus::Codes::kFailedToBindImage;
}
// The |va_surface_| created from |native_pixmap_dmabuf| shares the ownership
// of the buffer. So the only reason to keep a reference on the image is
// because the GPU service needs to track this image as it will be attached
// to a client texture.
gl_image_ = image;
return Initialize(std::move(native_pixmap_dmabuf));
}
bool VaapiPictureNativePixmapEgl::ImportGpuMemoryBufferHandle(
gfx::BufferFormat format,
gfx::GpuMemoryBufferHandle gpu_memory_buffer_handle) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
NOTIMPLEMENTED();
return false;
}
} // namespace media
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