blob: 3acbe62c93e76eebf296c0188185d3a2c1dad08b [file] [log] [blame]
// 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 "ui/ozone/platform/drm/gpu/drm_buffer.h"
#include <drm_fourcc.h>
#include "base/logging.h"
#include "third_party/skia/include/core/SkSurface.h"
#include "ui/ozone/platform/drm/gpu/drm_device.h"
namespace ui {
namespace {
uint32_t GetFourCCCodeForSkColorType(SkColorType type) {
switch (type) {
case kUnknown_SkColorType:
case kAlpha_8_SkColorType:
return 0;
case kIndex_8_SkColorType:
return DRM_FORMAT_C8;
case kRGB_565_SkColorType:
return DRM_FORMAT_RGB565;
case kARGB_4444_SkColorType:
return DRM_FORMAT_ARGB4444;
case kN32_SkColorType:
return DRM_FORMAT_ARGB8888;
default:
NOTREACHED();
return 0;
}
}
} // namespace
DrmBuffer::DrmBuffer(const scoped_refptr<DrmDevice>& drm) : drm_(drm) {
}
DrmBuffer::~DrmBuffer() {
if (framebuffer_ && !drm_->RemoveFramebuffer(framebuffer_))
PLOG(ERROR) << "DrmBuffer: RemoveFramebuffer: fb " << framebuffer_;
if (mmap_base_ && !drm_->UnmapDumbBuffer(mmap_base_, mmap_size_))
PLOG(ERROR) << "DrmBuffer: UnmapDumbBuffer: handle " << handle_;
if (handle_ && !drm_->DestroyDumbBuffer(handle_))
PLOG(ERROR) << "DrmBuffer: DestroyDumbBuffer: handle " << handle_;
}
bool DrmBuffer::Initialize(const SkImageInfo& info,
bool should_register_framebuffer) {
if (!drm_->CreateDumbBuffer(info, &handle_, &stride_)) {
PLOG(ERROR) << "DrmBuffer: CreateDumbBuffer: width " << info.width()
<< " height " << info.height();
return false;
}
mmap_size_ = info.getSafeSize(stride_);
if (!drm_->MapDumbBuffer(handle_, mmap_size_, &mmap_base_)) {
PLOG(ERROR) << "DrmBuffer: MapDumbBuffer: handle " << handle_;
return false;
}
if (should_register_framebuffer) {
uint32_t handles[4] = {0};
handles[0] = handle_;
uint32_t strides[4] = {0};
strides[0] = stride_;
uint32_t offsets[4] = {0};
fb_pixel_format_ = GetFourCCCodeForSkColorType(info.colorType());
if (!drm_->AddFramebuffer2(info.width(), info.height(), fb_pixel_format_,
handles, strides, offsets, &framebuffer_, 0)) {
PLOG(ERROR) << "DrmBuffer: AddFramebuffer2: handle " << handle_;
return false;
}
}
surface_ = SkSurface::MakeRasterDirect(info, mmap_base_, stride_);
if (!surface_) {
LOG(ERROR) << "DrmBuffer: Failed to create SkSurface: handle " << handle_;
return false;
}
return true;
}
SkCanvas* DrmBuffer::GetCanvas() const {
return surface_->getCanvas();
}
uint32_t DrmBuffer::GetFramebufferId() const {
return framebuffer_;
}
uint32_t DrmBuffer::GetFramebufferPixelFormat() const {
return fb_pixel_format_;
}
uint32_t DrmBuffer::GetHandle() const {
return handle_;
}
gfx::Size DrmBuffer::GetSize() const {
return gfx::Size(surface_->width(), surface_->height());
}
const DrmDevice* DrmBuffer::GetDrmDevice() const {
return drm_.get();
}
bool DrmBuffer::RequiresGlFinish() const {
return false;
}
} // namespace ui