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// Copyright 2021 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/renderers/shared_image_video_frame_test_utils.h"
#include "base/logging.h"
#include "components/viz/common/gpu/context_provider.h"
#include "gpu/GLES2/gl2extchromium.h"
#include "gpu/command_buffer/client/gles2_interface_stub.h"
#include "gpu/command_buffer/client/shared_image_interface.h"
#include "gpu/command_buffer/common/capabilities.h"
#include "gpu/command_buffer/common/shared_image_usage.h"
namespace media {
namespace {
static constexpr const uint8_t kYuvColors[8][3] = {
{0x00, 0x80, 0x80}, // Black
{0x4c, 0x54, 0xff}, // Red
{0x95, 0x2b, 0x15}, // Green
{0xe1, 0x00, 0x94}, // Yellow
{0x1d, 0xff, 0x6b}, // Blue
{0x69, 0xd3, 0xec}, // Magenta
{0xb3, 0xaa, 0x00}, // Cyan
{0xff, 0x80, 0x80}, // White
};
// Destroys a list of shared images after a sync token is passed. Also runs
// |callback|.
void DestroySharedImages(scoped_refptr<viz::ContextProvider> context_provider,
std::vector<gpu::Mailbox> mailboxes,
base::OnceClosure callback,
const gpu::SyncToken& sync_token) {
auto* sii = context_provider->SharedImageInterface();
for (const auto& mailbox : mailboxes)
sii->DestroySharedImage(sync_token, mailbox);
std::move(callback).Run();
}
// Upload pixels to a shared image using GL.
void UploadPixels(gpu::gles2::GLES2Interface* gl,
const gpu::Mailbox& mailbox,
const gfx::Size& size,
GLenum format,
GLenum type,
const uint8_t* data) {
GLuint texture = gl->CreateAndTexStorage2DSharedImageCHROMIUM(mailbox.name);
gl->BeginSharedImageAccessDirectCHROMIUM(
texture, GL_SHARED_IMAGE_ACCESS_MODE_READWRITE_CHROMIUM);
gl->BindTexture(GL_TEXTURE_2D, texture);
gl->TexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, size.width(), size.height(), format,
type, data);
gl->EndSharedImageAccessDirectCHROMIUM(texture);
gl->DeleteTextures(1, &texture);
}
} // namespace
scoped_refptr<VideoFrame> CreateSharedImageFrame(
scoped_refptr<viz::ContextProvider> context_provider,
VideoPixelFormat format,
std::vector<gpu::Mailbox> mailboxes,
const gpu::SyncToken& sync_token,
GLenum texture_target,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
const gfx::Size& natural_size,
base::TimeDelta timestamp,
base::OnceClosure destroyed_callback) {
gpu::MailboxHolder mailboxes_for_frame[VideoFrame::kMaxPlanes] = {};
size_t i = 0;
for (const auto& mailbox : mailboxes) {
mailboxes_for_frame[i++] =
gpu::MailboxHolder(mailbox, sync_token, texture_target);
}
auto callback =
base::BindOnce(&DestroySharedImages, std::move(context_provider),
std::move(mailboxes), std::move(destroyed_callback));
return VideoFrame::WrapNativeTextures(format, mailboxes_for_frame,
std::move(callback), coded_size,
visible_rect, natural_size, timestamp);
}
scoped_refptr<VideoFrame> CreateSharedImageRGBAFrame(
scoped_refptr<viz::ContextProvider> context_provider,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
base::OnceClosure destroyed_callback) {
DCHECK_EQ(coded_size.width() % 4, 0);
DCHECK_EQ(coded_size.height() % 2, 0);
size_t pixels_size = coded_size.GetArea() * 4;
auto pixels = std::make_unique<uint8_t[]>(pixels_size);
size_t i = 0;
for (size_t block_y = 0; block_y < 2u; ++block_y) {
for (int y = 0; y < coded_size.height() / 2; ++y) {
for (size_t block_x = 0; block_x < 4u; ++block_x) {
for (int x = 0; x < coded_size.width() / 4; ++x) {
pixels[i++] = 0xffu * (block_x % 2); // R
pixels[i++] = 0xffu * (block_x / 2); // G
pixels[i++] = 0xffu * block_y; // B
pixels[i++] = 0xffu; // A
}
}
}
}
DCHECK_EQ(i, pixels_size);
auto* sii = context_provider->SharedImageInterface();
gpu::Mailbox mailbox = sii->CreateSharedImage(
viz::ResourceFormat::RGBA_8888, coded_size, gfx::ColorSpace(),
kTopLeft_GrSurfaceOrigin, kPremul_SkAlphaType,
gpu::SHARED_IMAGE_USAGE_GLES2, gpu::kNullSurfaceHandle);
auto* gl = context_provider->ContextGL();
gl->WaitSyncTokenCHROMIUM(sii->GenUnverifiedSyncToken().GetConstData());
UploadPixels(gl, mailbox, coded_size, GL_RGBA, GL_UNSIGNED_BYTE,
pixels.get());
gpu::SyncToken sync_token;
gl->GenUnverifiedSyncTokenCHROMIUM(sync_token.GetData());
return CreateSharedImageFrame(
std::move(context_provider), VideoPixelFormat::PIXEL_FORMAT_ABGR,
{mailbox}, sync_token, GL_TEXTURE_2D, coded_size, visible_rect,
visible_rect.size(), base::TimeDelta::FromSeconds(1),
std::move(destroyed_callback));
}
scoped_refptr<VideoFrame> CreateSharedImageI420Frame(
scoped_refptr<viz::ContextProvider> context_provider,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
base::OnceClosure destroyed_callback) {
DCHECK_EQ(coded_size.width() % 8, 0);
DCHECK_EQ(coded_size.height() % 4, 0);
gfx::Size uv_size(coded_size.width() / 2, coded_size.height() / 2);
size_t y_pixels_size = coded_size.GetArea();
size_t uv_pixels_size = uv_size.GetArea();
auto y_pixels = std::make_unique<uint8_t[]>(y_pixels_size);
auto u_pixels = std::make_unique<uint8_t[]>(uv_pixels_size);
auto v_pixels = std::make_unique<uint8_t[]>(uv_pixels_size);
size_t y_i = 0;
size_t uv_i = 0;
for (size_t block_y = 0; block_y < 2u; ++block_y) {
for (int y = 0; y < coded_size.height() / 2; ++y) {
for (size_t block_x = 0; block_x < 4u; ++block_x) {
size_t color_index = block_x + block_y * 4;
const uint8_t* yuv = kYuvColors[color_index];
for (int x = 0; x < coded_size.width() / 4; ++x) {
y_pixels[y_i++] = yuv[0];
if ((x % 2) && (y % 2)) {
u_pixels[uv_i] = yuv[1];
v_pixels[uv_i++] = yuv[2];
}
}
}
}
}
DCHECK_EQ(y_i, y_pixels_size);
DCHECK_EQ(uv_i, uv_pixels_size);
auto* sii = context_provider->SharedImageInterface();
gpu::Mailbox y_mailbox = sii->CreateSharedImage(
viz::ResourceFormat::LUMINANCE_8, coded_size, gfx::ColorSpace(),
kTopLeft_GrSurfaceOrigin, kPremul_SkAlphaType,
gpu::SHARED_IMAGE_USAGE_GLES2, gpu::kNullSurfaceHandle);
gpu::Mailbox u_mailbox = sii->CreateSharedImage(
viz::ResourceFormat::LUMINANCE_8, uv_size, gfx::ColorSpace(),
kTopLeft_GrSurfaceOrigin, kPremul_SkAlphaType,
gpu::SHARED_IMAGE_USAGE_GLES2, gpu::kNullSurfaceHandle);
gpu::Mailbox v_mailbox = sii->CreateSharedImage(
viz::ResourceFormat::LUMINANCE_8, uv_size, gfx::ColorSpace(),
kTopLeft_GrSurfaceOrigin, kPremul_SkAlphaType,
gpu::SHARED_IMAGE_USAGE_GLES2, gpu::kNullSurfaceHandle);
auto* gl = context_provider->ContextGL();
gl->WaitSyncTokenCHROMIUM(sii->GenUnverifiedSyncToken().GetConstData());
UploadPixels(gl, y_mailbox, coded_size, GL_LUMINANCE, GL_UNSIGNED_BYTE,
y_pixels.get());
UploadPixels(gl, u_mailbox, uv_size, GL_LUMINANCE, GL_UNSIGNED_BYTE,
u_pixels.get());
UploadPixels(gl, v_mailbox, uv_size, GL_LUMINANCE, GL_UNSIGNED_BYTE,
v_pixels.get());
gpu::SyncToken sync_token;
gl->GenUnverifiedSyncTokenCHROMIUM(sync_token.GetData());
return CreateSharedImageFrame(
std::move(context_provider), VideoPixelFormat::PIXEL_FORMAT_I420,
{y_mailbox, u_mailbox, v_mailbox}, sync_token, GL_TEXTURE_2D, coded_size,
visible_rect, visible_rect.size(), base::TimeDelta::FromSeconds(1),
std::move(destroyed_callback));
}
scoped_refptr<VideoFrame> CreateSharedImageNV12Frame(
scoped_refptr<viz::ContextProvider> context_provider,
const gfx::Size& coded_size,
const gfx::Rect& visible_rect,
base::OnceClosure destroyed_callback) {
DCHECK_EQ(coded_size.width() % 8, 0);
DCHECK_EQ(coded_size.height() % 4, 0);
if (!context_provider->ContextCapabilities().texture_rg) {
LOG(ERROR) << "GL_EXT_texture_rg not supported";
return {};
}
gfx::Size uv_size(coded_size.width() / 2, coded_size.height() / 2);
size_t y_pixels_size = coded_size.GetArea();
size_t uv_pixels_size = uv_size.GetArea() * 2;
auto y_pixels = std::make_unique<uint8_t[]>(y_pixels_size);
auto uv_pixels = std::make_unique<uint8_t[]>(uv_pixels_size);
size_t y_i = 0;
size_t uv_i = 0;
for (size_t block_y = 0; block_y < 2u; ++block_y) {
for (int y = 0; y < coded_size.height() / 2; ++y) {
for (size_t block_x = 0; block_x < 4u; ++block_x) {
size_t color_index = block_x + block_y * 4;
const uint8_t* yuv = kYuvColors[color_index];
for (int x = 0; x < coded_size.width() / 4; ++x) {
y_pixels[y_i++] = yuv[0];
if ((x % 2) && (y % 2)) {
uv_pixels[uv_i++] = yuv[1];
uv_pixels[uv_i++] = yuv[2];
}
}
}
}
}
DCHECK_EQ(y_i, y_pixels_size);
DCHECK_EQ(uv_i, uv_pixels_size);
auto* sii = context_provider->SharedImageInterface();
gpu::Mailbox y_mailbox = sii->CreateSharedImage(
viz::ResourceFormat::LUMINANCE_8, coded_size, gfx::ColorSpace(),
kTopLeft_GrSurfaceOrigin, kPremul_SkAlphaType,
gpu::SHARED_IMAGE_USAGE_GLES2, gpu::kNullSurfaceHandle);
gpu::Mailbox uv_mailbox = sii->CreateSharedImage(
viz::ResourceFormat::RG_88, uv_size, gfx::ColorSpace(),
kTopLeft_GrSurfaceOrigin, kPremul_SkAlphaType,
gpu::SHARED_IMAGE_USAGE_GLES2, gpu::kNullSurfaceHandle);
auto* gl = context_provider->ContextGL();
gl->WaitSyncTokenCHROMIUM(sii->GenUnverifiedSyncToken().GetConstData());
UploadPixels(gl, y_mailbox, coded_size, GL_LUMINANCE, GL_UNSIGNED_BYTE,
y_pixels.get());
UploadPixels(gl, uv_mailbox, uv_size, GL_RG, GL_UNSIGNED_BYTE,
uv_pixels.get());
gpu::SyncToken sync_token;
gl->GenUnverifiedSyncTokenCHROMIUM(sync_token.GetData());
return CreateSharedImageFrame(
std::move(context_provider), VideoPixelFormat::PIXEL_FORMAT_NV12,
{y_mailbox, uv_mailbox}, sync_token, GL_TEXTURE_2D, coded_size,
visible_rect, visible_rect.size(), base::TimeDelta::FromSeconds(1),
std::move(destroyed_callback));
}
} // namespace media
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