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Unified Diff: ui/ozone/platform/dri/dri_wrapper.cc

Issue 851853002: It is time. (Closed) Base URL: https://github.com/domokit/mojo.git@master
Patch Set: Trying to reup because the last upload failed. Created 5 years, 11 months ago
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Index: ui/ozone/platform/dri/dri_wrapper.cc
diff --git a/ui/ozone/platform/dri/dri_wrapper.cc b/ui/ozone/platform/dri/dri_wrapper.cc
deleted file mode 100644
index 7e80c3aead7f83bfad6ca35ad3e60ed74ba5f82e..0000000000000000000000000000000000000000
--- a/ui/ozone/platform/dri/dri_wrapper.cc
+++ /dev/null
@@ -1,304 +0,0 @@
-// 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/dri/dri_wrapper.h"
-
-#include <fcntl.h>
-#include <sys/mman.h>
-#include <unistd.h>
-#include <xf86drm.h>
-#include <xf86drmMode.h>
-
-#include "base/debug/trace_event.h"
-#include "base/logging.h"
-#include "base/stl_util.h"
-#include "third_party/skia/include/core/SkImageInfo.h"
-#include "ui/ozone/platform/dri/dri_util.h"
-
-namespace ui {
-
-namespace {
-
-uint32_t ToFixedPoint(double v) {
- // This returns a number in a 16-bit.16-bit fixed point.
- return v * 65536.0;
-}
-
-bool DrmCreateDumbBuffer(int fd,
- const SkImageInfo& info,
- uint32_t* handle,
- uint32_t* stride) {
- struct drm_mode_create_dumb request;
- memset(&request, 0, sizeof(request));
- request.width = info.width();
- request.height = info.height();
- request.bpp = info.bytesPerPixel() << 3;
- request.flags = 0;
-
- if (drmIoctl(fd, DRM_IOCTL_MODE_CREATE_DUMB, &request) < 0) {
- VLOG(2) << "Cannot create dumb buffer (" << errno << ") "
- << strerror(errno);
- return false;
- }
-
- // The driver may choose to align the last row as well. We don't care about
- // the last alignment bits since they aren't used for display purposes, so
- // just check that the expected size is <= to what the driver allocated.
- DCHECK_LE(info.getSafeSize(request.pitch), request.size);
-
- *handle = request.handle;
- *stride = request.pitch;
- return true;
-}
-
-void DrmDestroyDumbBuffer(int fd, uint32_t handle) {
- struct drm_mode_destroy_dumb destroy_request;
- memset(&destroy_request, 0, sizeof(destroy_request));
- destroy_request.handle = handle;
- drmIoctl(fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy_request);
-}
-
-} // namespace
-
-DriWrapper::DriWrapper(const char* device_path)
- : fd_(-1), device_path_(device_path) {
-}
-
-DriWrapper::~DriWrapper() {
- if (fd_ >= 0)
- close(fd_);
-}
-
-void DriWrapper::Initialize() {
- fd_ = open(device_path_, O_RDWR | O_CLOEXEC);
- if (fd_ < 0)
- PLOG(FATAL) << "open: " << device_path_;
-}
-
-ScopedDrmCrtcPtr DriWrapper::GetCrtc(uint32_t crtc_id) {
- DCHECK(fd_ >= 0);
- return ScopedDrmCrtcPtr(drmModeGetCrtc(fd_, crtc_id));
-}
-
-bool DriWrapper::SetCrtc(uint32_t crtc_id,
- uint32_t framebuffer,
- std::vector<uint32_t> connectors,
- drmModeModeInfo* mode) {
- DCHECK(fd_ >= 0);
- DCHECK(!connectors.empty());
- DCHECK(mode);
-
- TRACE_EVENT2("dri",
- "DriWrapper::SetCrtc",
- "crtc",
- crtc_id,
- "size",
- gfx::Size(mode->hdisplay, mode->vdisplay).ToString());
- return !drmModeSetCrtc(fd_,
- crtc_id,
- framebuffer,
- 0,
- 0,
- vector_as_array(&connectors),
- connectors.size(), mode);
-}
-
-bool DriWrapper::SetCrtc(drmModeCrtc* crtc, std::vector<uint32_t> connectors) {
- DCHECK(fd_ >= 0);
- // If there's no buffer then the CRTC was disabled.
- if (!crtc->buffer_id)
- return DisableCrtc(crtc->crtc_id);
-
- DCHECK(!connectors.empty());
-
- TRACE_EVENT1("dri", "DriWrapper::RestoreCrtc",
- "crtc", crtc->crtc_id);
- return !drmModeSetCrtc(fd_,
- crtc->crtc_id,
- crtc->buffer_id,
- crtc->x,
- crtc->y,
- vector_as_array(&connectors),
- connectors.size(),
- &crtc->mode);
-}
-
-bool DriWrapper::DisableCrtc(uint32_t crtc_id) {
- DCHECK(fd_ >= 0);
- TRACE_EVENT1("dri", "DriWrapper::DisableCrtc",
- "crtc", crtc_id);
- return !drmModeSetCrtc(fd_, crtc_id, 0, 0, 0, NULL, 0, NULL);
-}
-
-ScopedDrmConnectorPtr DriWrapper::GetConnector(uint32_t connector_id) {
- DCHECK(fd_ >= 0);
- TRACE_EVENT1("dri", "DriWrapper::GetConnector", "connector", connector_id);
- return ScopedDrmConnectorPtr(drmModeGetConnector(fd_, connector_id));
-}
-
-bool DriWrapper::AddFramebuffer(uint32_t width,
- uint32_t height,
- uint8_t depth,
- uint8_t bpp,
- uint32_t stride,
- uint32_t handle,
- uint32_t* framebuffer) {
- DCHECK(fd_ >= 0);
- TRACE_EVENT1("dri", "DriWrapper::AddFramebuffer",
- "handle", handle);
- return !drmModeAddFB(fd_,
- width,
- height,
- depth,
- bpp,
- stride,
- handle,
- framebuffer);
-}
-
-bool DriWrapper::RemoveFramebuffer(uint32_t framebuffer) {
- DCHECK(fd_ >= 0);
- TRACE_EVENT1("dri", "DriWrapper::RemoveFramebuffer",
- "framebuffer", framebuffer);
- return !drmModeRmFB(fd_, framebuffer);
-}
-
-bool DriWrapper::PageFlip(uint32_t crtc_id,
- uint32_t framebuffer,
- void* data) {
- DCHECK(fd_ >= 0);
- TRACE_EVENT2("dri", "DriWrapper::PageFlip",
- "crtc", crtc_id,
- "framebuffer", framebuffer);
- return !drmModePageFlip(fd_,
- crtc_id,
- framebuffer,
- DRM_MODE_PAGE_FLIP_EVENT,
- data);
-}
-
-bool DriWrapper::PageFlipOverlay(uint32_t crtc_id,
- uint32_t framebuffer,
- const gfx::Rect& location,
- const gfx::RectF& source,
- int overlay_plane) {
- DCHECK(fd_ >= 0);
- TRACE_EVENT2("dri", "DriWrapper::PageFlipOverlay",
- "crtc", crtc_id,
- "framebuffer", framebuffer);
- return !drmModeSetPlane(fd_,
- overlay_plane,
- crtc_id,
- framebuffer,
- 0,
- location.x(),
- location.y(),
- location.width(),
- location.height(),
- ToFixedPoint(source.x()),
- ToFixedPoint(source.y()),
- ToFixedPoint(source.width()),
- ToFixedPoint(source.height()));
-}
-
-ScopedDrmFramebufferPtr DriWrapper::GetFramebuffer(uint32_t framebuffer) {
- DCHECK(fd_ >= 0);
- TRACE_EVENT1("dri", "DriWrapper::GetFramebuffer",
- "framebuffer", framebuffer);
- return ScopedDrmFramebufferPtr(drmModeGetFB(fd_, framebuffer));
-}
-
-ScopedDrmPropertyPtr DriWrapper::GetProperty(drmModeConnector* connector,
- const char* name) {
- TRACE_EVENT2("dri", "DriWrapper::GetProperty",
- "connector", connector->connector_id,
- "name", name);
- for (int i = 0; i < connector->count_props; ++i) {
- ScopedDrmPropertyPtr property(drmModeGetProperty(fd_, connector->props[i]));
- if (!property)
- continue;
-
- if (strcmp(property->name, name) == 0)
- return property.Pass();
- }
-
- return ScopedDrmPropertyPtr();
-}
-
-bool DriWrapper::SetProperty(uint32_t connector_id,
- uint32_t property_id,
- uint64_t value) {
- DCHECK(fd_ >= 0);
- return !drmModeConnectorSetProperty(fd_, connector_id, property_id, value);
-}
-
-ScopedDrmPropertyBlobPtr DriWrapper::GetPropertyBlob(
- drmModeConnector* connector, const char* name) {
- DCHECK(fd_ >= 0);
- TRACE_EVENT2("dri", "DriWrapper::GetPropertyBlob",
- "connector", connector->connector_id,
- "name", name);
- for (int i = 0; i < connector->count_props; ++i) {
- ScopedDrmPropertyPtr property(drmModeGetProperty(fd_, connector->props[i]));
- if (!property)
- continue;
-
- if (strcmp(property->name, name) == 0 &&
- property->flags & DRM_MODE_PROP_BLOB)
- return ScopedDrmPropertyBlobPtr(
- drmModeGetPropertyBlob(fd_, connector->prop_values[i]));
- }
-
- return ScopedDrmPropertyBlobPtr();
-}
-
-bool DriWrapper::SetCursor(uint32_t crtc_id,
- uint32_t handle,
- const gfx::Size& size) {
- DCHECK(fd_ >= 0);
- TRACE_EVENT1("dri", "DriWrapper::SetCursor", "handle", handle);
- return !drmModeSetCursor(fd_, crtc_id, handle, size.width(), size.height());
-}
-
-bool DriWrapper::MoveCursor(uint32_t crtc_id, const gfx::Point& point) {
- DCHECK(fd_ >= 0);
- return !drmModeMoveCursor(fd_, crtc_id, point.x(), point.y());
-}
-
-void DriWrapper::HandleEvent(drmEventContext& event) {
- DCHECK(fd_ >= 0);
- TRACE_EVENT0("dri", "DriWrapper::HandleEvent");
- drmHandleEvent(fd_, &event);
-}
-
-bool DriWrapper::CreateDumbBuffer(const SkImageInfo& info,
- uint32_t* handle,
- uint32_t* stride,
- void** pixels) {
- DCHECK(fd_ >= 0);
-
- TRACE_EVENT0("dri", "DriWrapper::CreateDumbBuffer");
- if (!DrmCreateDumbBuffer(fd_, info, handle, stride))
- return false;
-
- if (!MapDumbBuffer(fd_, *handle, info.getSafeSize(*stride), pixels)) {
- DrmDestroyDumbBuffer(fd_, *handle);
- return false;
- }
-
- return true;
-}
-
-void DriWrapper::DestroyDumbBuffer(const SkImageInfo& info,
- uint32_t handle,
- uint32_t stride,
- void* pixels) {
- DCHECK(fd_ >= 0);
- TRACE_EVENT1("dri", "DriWrapper::DestroyDumbBuffer", "handle", handle);
- munmap(pixels, info.getSafeSize(stride));
- DrmDestroyDumbBuffer(fd_, handle);
-}
-
-
-} // namespace ui
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