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// Copyright 2015 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 "ui/gl/gl_image_ozone_native_pixmap.h"
#define FOURCC(a, b, c, d) \
((static_cast<uint32>(a)) | (static_cast<uint32>(b) << 8) | \
(static_cast<uint32>(c) << 16) | (static_cast<uint32>(d) << 24))
#define DRM_FORMAT_ARGB8888 FOURCC('A', 'R', '2', '4')
#define DRM_FORMAT_XRGB8888 FOURCC('X', 'R', '2', '4')
namespace gfx {
namespace {
bool ValidInternalFormat(unsigned internalformat) {
switch (internalformat) {
case GL_RGB:
case GL_BGRA_EXT:
return true;
default:
return false;
}
}
bool ValidFormat(gfx::BufferFormat format) {
switch (format) {
case BufferFormat::BGRA_8888:
case BufferFormat::BGRX_8888:
return true;
case BufferFormat::ATC:
case BufferFormat::ATCIA:
case BufferFormat::DXT1:
case BufferFormat::DXT5:
case BufferFormat::ETC1:
case BufferFormat::R_8:
case BufferFormat::RGBA_4444:
case BufferFormat::RGBA_8888:
case BufferFormat::YUV_420:
case BufferFormat::YUV_420_BIPLANAR:
return false;
}
NOTREACHED();
return false;
}
EGLint FourCC(gfx::BufferFormat format) {
switch (format) {
case BufferFormat::BGRA_8888:
return DRM_FORMAT_ARGB8888;
case BufferFormat::BGRX_8888:
return DRM_FORMAT_XRGB8888;
case BufferFormat::ATC:
case BufferFormat::ATCIA:
case BufferFormat::DXT1:
case BufferFormat::DXT5:
case BufferFormat::ETC1:
case BufferFormat::R_8:
case BufferFormat::RGBA_4444:
case BufferFormat::RGBA_8888:
case BufferFormat::YUV_420:
case BufferFormat::YUV_420_BIPLANAR:
NOTREACHED();
return 0;
}
NOTREACHED();
return 0;
}
} // namespace
GLImageOzoneNativePixmap::GLImageOzoneNativePixmap(const Size& size,
unsigned internalformat)
: GLImageEGL(size), internalformat_(internalformat) {}
GLImageOzoneNativePixmap::~GLImageOzoneNativePixmap() {
}
bool GLImageOzoneNativePixmap::Initialize(ui::NativePixmap* pixmap,
BufferFormat format) {
DCHECK(!pixmap_);
bool result = true;
if (pixmap->GetEGLClientBuffer()) {
EGLint attrs[] = {EGL_IMAGE_PRESERVED_KHR, EGL_TRUE, EGL_NONE};
result = GLImageEGL::Initialize(EGL_NATIVE_PIXMAP_KHR,
pixmap->GetEGLClientBuffer(), attrs);
} else if (pixmap->GetDmaBufFd() >= 0) {
if (!ValidInternalFormat(internalformat_)) {
LOG(ERROR) << "Invalid internalformat: " << internalformat_;
return false;
}
if (!ValidFormat(format)) {
LOG(ERROR) << "Invalid format: " << static_cast<int>(format);
return false;
}
// Note: If eglCreateImageKHR is successful for a EGL_LINUX_DMA_BUF_EXT
// target, the EGL will take a reference to the dma_buf.
EGLint attrs[] = {EGL_WIDTH,
size_.width(),
EGL_HEIGHT,
size_.height(),
EGL_LINUX_DRM_FOURCC_EXT,
FourCC(format),
EGL_DMA_BUF_PLANE0_FD_EXT,
pixmap->GetDmaBufFd(),
EGL_DMA_BUF_PLANE0_OFFSET_EXT,
0,
EGL_DMA_BUF_PLANE0_PITCH_EXT,
pixmap->GetDmaBufPitch(),
EGL_NONE};
result = GLImageEGL::Initialize(
EGL_LINUX_DMA_BUF_EXT, static_cast<EGLClientBuffer>(nullptr), attrs);
}
if (result)
pixmap_ = pixmap;
return result;
}
unsigned GLImageOzoneNativePixmap::GetInternalFormat() {
return internalformat_;
}
void GLImageOzoneNativePixmap::Destroy(bool have_context) {
GLImageEGL::Destroy(have_context);
}
bool GLImageOzoneNativePixmap::ScheduleOverlayPlane(AcceleratedWidget widget,
int z_order,
OverlayTransform transform,
const Rect& bounds_rect,
const RectF& crop_rect) {
DCHECK(pixmap_);
return pixmap_->ScheduleOverlayPlane(widget, z_order, transform, bounds_rect,
crop_rect);
}
} // namespace gfx
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