gecko-dev/widget/gtk/DMABufSurface.cpp

1058 строки
32 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "DMABufSurface.h"
#include <fcntl.h>
#include <getopt.h>
#include <signal.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/time.h>
#include <dlfcn.h>
#include <sys/mman.h>
#include <sys/eventfd.h>
#include <poll.h>
#include "mozilla/widget/gbm.h"
#include "mozilla/widget/va_drmcommon.h"
#include "GLContextTypes.h" // for GLContext, etc
#include "GLContextEGL.h"
#include "GLContextProvider.h"
#include "mozilla/layers/LayersSurfaces.h"
/*
TODO:
DRM device selection:
https://lists.freedesktop.org/archives/wayland-devel/2018-November/039660.html
*/
/* C++ / C typecast macros for special EGL handle values */
#if defined(__cplusplus)
# define EGL_CAST(type, value) (static_cast<type>(value))
#else
# define EGL_CAST(type, value) ((type)(value))
#endif
using namespace mozilla;
using namespace mozilla::widget;
using namespace mozilla::gl;
using namespace mozilla::layers;
#ifndef DRM_FORMAT_MOD_INVALID
# define DRM_FORMAT_MOD_INVALID ((1ULL << 56) - 1)
#endif
#define BUFFER_FLAGS 0
#ifndef GBM_BO_USE_TEXTURING
# define GBM_BO_USE_TEXTURING (1 << 5)
#endif
#ifndef VA_FOURCC_NV12
# define VA_FOURCC_NV12 0x3231564E
#endif
#ifndef VA_FOURCC_YV12
# define VA_FOURCC_YV12 0x32315659
#endif
static Atomic<int> gNewSurfaceUID(1);
bool DMABufSurface::IsGlobalRefSet() const {
if (!mGlobalRefCountFd) {
return false;
}
struct pollfd pfd;
pfd.fd = mGlobalRefCountFd;
pfd.events = POLLIN;
return poll(&pfd, 1, 0) == 1;
}
void DMABufSurface::GlobalRefRelease() {
MOZ_ASSERT(mGlobalRefCountFd);
uint64_t counter;
if (read(mGlobalRefCountFd, &counter, sizeof(counter)) != sizeof(counter)) {
// EAGAIN means the refcount is already zero. It happens when we release
// last reference to the surface.
if (errno != EAGAIN) {
NS_WARNING("Failed to unref dmabuf global ref count!");
}
}
}
void DMABufSurface::GlobalRefAdd() {
MOZ_ASSERT(mGlobalRefCountFd);
uint64_t counter = 1;
if (write(mGlobalRefCountFd, &counter, sizeof(counter)) != sizeof(counter)) {
NS_WARNING("Failed to ref dmabuf global ref count!");
}
}
void DMABufSurface::GlobalRefCountCreate() {
MOZ_ASSERT(!mGlobalRefCountFd);
mGlobalRefCountFd = eventfd(0, EFD_CLOEXEC | EFD_NONBLOCK | EFD_SEMAPHORE);
if (mGlobalRefCountFd < 0) {
NS_WARNING("Failed to create dmabuf global ref count!");
mGlobalRefCountFd = 0;
return;
}
}
void DMABufSurface::GlobalRefCountImport(int aFd) {
MOZ_ASSERT(!mGlobalRefCountFd);
mGlobalRefCountFd = aFd;
GlobalRefAdd();
}
void DMABufSurface::GlobalRefCountDelete() {
if (mGlobalRefCountFd) {
GlobalRefRelease();
close(mGlobalRefCountFd);
mGlobalRefCountFd = 0;
}
}
void DMABufSurface::ReleaseDMABuf() {
for (int i = 0; i < mBufferPlaneCount; i++) {
Unmap(i);
if (mDmabufFds[i] >= 0) {
close(mDmabufFds[i]);
mDmabufFds[i] = -1;
}
}
if (mGbmBufferObject[0]) {
nsGbmLib::Destroy(mGbmBufferObject[0]);
mGbmBufferObject[0] = nullptr;
}
}
DMABufSurface::DMABufSurface(SurfaceType aSurfaceType)
: mSurfaceType(aSurfaceType),
mBufferModifier(DRM_FORMAT_MOD_INVALID),
mBufferPlaneCount(0),
mDrmFormats(),
mStrides(),
mOffsets(),
mGbmBufferObject(),
mMappedRegion(),
mMappedRegionStride(),
mSyncFd(-1),
mSync(0),
mGlobalRefCountFd(0),
mUID(gNewSurfaceUID++) {
for (auto& slot : mDmabufFds) {
slot = -1;
}
}
DMABufSurface::~DMABufSurface() {
FenceDelete();
GlobalRefCountDelete();
}
already_AddRefed<DMABufSurface> DMABufSurface::CreateDMABufSurface(
const mozilla::layers::SurfaceDescriptor& aDesc) {
const SurfaceDescriptorDMABuf& desc = aDesc.get_SurfaceDescriptorDMABuf();
RefPtr<DMABufSurface> surf;
switch (desc.bufferType()) {
case SURFACE_RGBA:
surf = new DMABufSurfaceRGBA();
break;
case SURFACE_NV12:
case SURFACE_YUV420:
surf = new DMABufSurfaceYUV();
break;
default:
return nullptr;
}
if (!surf->Create(desc)) {
return nullptr;
}
return surf.forget();
}
void DMABufSurface::FenceDelete() {
if (!mGL) return;
const auto& gle = gl::GLContextEGL::Cast(mGL);
const auto& egl = gle->mEgl;
if (mSyncFd > 0) {
close(mSyncFd);
mSyncFd = -1;
}
if (mSync) {
egl->fDestroySync(mSync);
mSync = nullptr;
}
}
void DMABufSurface::FenceSet() {
if (!mGL || !mGL->MakeCurrent()) {
return;
}
const auto& gle = gl::GLContextEGL::Cast(mGL);
const auto& egl = gle->mEgl;
if (egl->IsExtensionSupported(EGLExtension::KHR_fence_sync) &&
egl->IsExtensionSupported(EGLExtension::ANDROID_native_fence_sync)) {
FenceDelete();
mSync = egl->fCreateSync(LOCAL_EGL_SYNC_NATIVE_FENCE_ANDROID, nullptr);
if (mSync) {
mSyncFd = egl->fDupNativeFenceFDANDROID(mSync);
mGL->fFlush();
return;
}
}
// ANDROID_native_fence_sync may not be supported so call glFinish()
// as a slow path.
mGL->fFinish();
}
void DMABufSurface::FenceWait() {
if (!mGL) return;
const auto& gle = gl::GLContextEGL::Cast(mGL);
const auto& egl = gle->mEgl;
if (!mSync && mSyncFd > 0) {
FenceImportFromFd();
}
// Wait on the fence, because presumably we're going to want to read this
// surface
if (mSync) {
egl->fClientWaitSync(mSync, 0, LOCAL_EGL_FOREVER);
}
}
bool DMABufSurface::FenceImportFromFd() {
if (!mGL) return false;
const auto& gle = gl::GLContextEGL::Cast(mGL);
const auto& egl = gle->mEgl;
const EGLint attribs[] = {LOCAL_EGL_SYNC_NATIVE_FENCE_FD_ANDROID, mSyncFd,
LOCAL_EGL_NONE};
mSync = egl->fCreateSync(LOCAL_EGL_SYNC_NATIVE_FENCE_ANDROID, attribs);
close(mSyncFd);
mSyncFd = -1;
if (!mSync) {
MOZ_ASSERT(false, "Failed to create GLFence!");
return false;
}
return true;
}
void DMABufSurfaceRGBA::SetWLBuffer(struct wl_buffer* aWLBuffer) {
MOZ_ASSERT(mWLBuffer == nullptr, "WLBuffer already assigned!");
mWLBuffer = aWLBuffer;
}
wl_buffer* DMABufSurfaceRGBA::GetWLBuffer() { return mWLBuffer; }
static void buffer_release(void* data, wl_buffer* buffer) {
auto surface = reinterpret_cast<DMABufSurfaceRGBA*>(data);
surface->WLBufferDetach();
}
static const struct wl_buffer_listener buffer_listener = {buffer_release};
static void buffer_created(void* data,
struct zwp_linux_buffer_params_v1* params,
struct wl_buffer* new_buffer) {
auto surface = static_cast<DMABufSurfaceRGBA*>(data);
surface->SetWLBuffer(new_buffer);
nsWaylandDisplay* display = WaylandDisplayGet();
/* When not using explicit synchronization listen to wl_buffer.release
* for release notifications, otherwise we are going to use
* zwp_linux_buffer_release_v1. */
if (!display->IsExplicitSyncEnabled()) {
wl_buffer_add_listener(new_buffer, &buffer_listener, surface);
}
zwp_linux_buffer_params_v1_destroy(params);
}
static void buffer_create_failed(void* data,
struct zwp_linux_buffer_params_v1* params) {
zwp_linux_buffer_params_v1_destroy(params);
}
static const struct zwp_linux_buffer_params_v1_listener params_listener = {
buffer_created, buffer_create_failed};
DMABufSurfaceRGBA::DMABufSurfaceRGBA()
: DMABufSurface(SURFACE_RGBA),
mSurfaceFlags(0),
mWidth(0),
mHeight(0),
mGmbFormat(nullptr),
mWLBuffer(nullptr),
mEGLImage(LOCAL_EGL_NO_IMAGE),
mTexture(0),
mGbmBufferFlags(0),
mWLBufferAttached(false),
mFastWLBufferCreation(true) {}
DMABufSurfaceRGBA::~DMABufSurfaceRGBA() { ReleaseSurface(); }
bool DMABufSurfaceRGBA::Create(int aWidth, int aHeight,
int aDMABufSurfaceFlags) {
MOZ_ASSERT(mGbmBufferObject[0] == nullptr, "Already created?");
mSurfaceFlags = aDMABufSurfaceFlags;
mWidth = aWidth;
mHeight = aHeight;
mGmbFormat = GetDMABufDevice()->GetGbmFormat(mSurfaceFlags & DMABUF_ALPHA);
if (!mGmbFormat) {
// Requested DRM format is not supported.
return false;
}
bool useModifiers = (aDMABufSurfaceFlags & DMABUF_USE_MODIFIERS) &&
mGmbFormat->mModifiersCount > 0;
if (useModifiers) {
mGbmBufferObject[0] = nsGbmLib::CreateWithModifiers(
GetDMABufDevice()->GetGbmDevice(), mWidth, mHeight, mGmbFormat->mFormat,
mGmbFormat->mModifiers, mGmbFormat->mModifiersCount);
if (mGbmBufferObject[0]) {
mBufferModifier = nsGbmLib::GetModifier(mGbmBufferObject[0]);
}
}
// Create without modifiers - use plain/linear format.
if (!mGbmBufferObject[0]) {
mGbmBufferFlags = (GBM_BO_USE_SCANOUT | GBM_BO_USE_LINEAR);
if (mSurfaceFlags & DMABUF_CREATE_WL_BUFFER) {
mGbmBufferFlags |= GBM_BO_USE_RENDERING;
} else if (mSurfaceFlags & DMABUF_TEXTURE) {
mGbmBufferFlags |= GBM_BO_USE_TEXTURING;
}
if (!nsGbmLib::DeviceIsFormatSupported(GetDMABufDevice()->GetGbmDevice(),
mGmbFormat->mFormat,
mGbmBufferFlags)) {
mGbmBufferFlags &= ~GBM_BO_USE_SCANOUT;
}
mGbmBufferObject[0] =
nsGbmLib::Create(GetDMABufDevice()->GetGbmDevice(), mWidth, mHeight,
mGmbFormat->mFormat, mGbmBufferFlags);
mBufferModifier = DRM_FORMAT_MOD_INVALID;
}
if (!mGbmBufferObject[0]) {
return false;
}
if (mBufferModifier != DRM_FORMAT_MOD_INVALID) {
mBufferPlaneCount = nsGbmLib::GetPlaneCount(mGbmBufferObject[0]);
if (mBufferPlaneCount > DMABUF_BUFFER_PLANES) {
NS_WARNING("There's too many dmabuf planes!");
ReleaseSurface();
return false;
}
for (int i = 0; i < mBufferPlaneCount; i++) {
uint32_t handle = nsGbmLib::GetHandleForPlane(mGbmBufferObject[0], i).u32;
int ret = nsGbmLib::DrmPrimeHandleToFD(
GetDMABufDevice()->GetGbmDeviceFd(), handle, 0, &mDmabufFds[i]);
if (ret < 0 || mDmabufFds[i] < 0) {
ReleaseSurface();
return false;
}
mStrides[i] = nsGbmLib::GetStrideForPlane(mGbmBufferObject[0], i);
mOffsets[i] = nsGbmLib::GetOffset(mGbmBufferObject[0], i);
}
} else {
mBufferPlaneCount = 1;
mStrides[0] = nsGbmLib::GetStride(mGbmBufferObject[0]);
mDmabufFds[0] = nsGbmLib::GetFd(mGbmBufferObject[0]);
if (mDmabufFds[0] < 0) {
ReleaseSurface();
return false;
}
}
if (mSurfaceFlags & DMABUF_CREATE_WL_BUFFER) {
return CreateWLBuffer();
}
return true;
}
void DMABufSurfaceRGBA::ImportSurfaceDescriptor(
const SurfaceDescriptor& aDesc) {
const SurfaceDescriptorDMABuf& desc = aDesc.get_SurfaceDescriptorDMABuf();
mWidth = desc.width()[0];
mHeight = desc.height()[0];
mBufferModifier = desc.modifier();
if (mBufferModifier != DRM_FORMAT_MOD_INVALID) {
mGmbFormat = GetDMABufDevice()->GetExactGbmFormat(desc.format()[0]);
} else {
mDrmFormats[0] = desc.format()[0];
}
mBufferPlaneCount = desc.fds().Length();
mGbmBufferFlags = desc.flags();
MOZ_RELEASE_ASSERT(mBufferPlaneCount <= DMABUF_BUFFER_PLANES);
mUID = desc.uid();
for (int i = 0; i < mBufferPlaneCount; i++) {
mDmabufFds[i] = desc.fds()[i].ClonePlatformHandle().release();
mStrides[i] = desc.strides()[i];
mOffsets[i] = desc.offsets()[i];
}
if (desc.fence().Length() > 0) {
mSyncFd = desc.fence()[0].ClonePlatformHandle().release();
}
if (desc.refCount().Length() > 0) {
GlobalRefCountImport(desc.refCount()[0].ClonePlatformHandle().release());
}
}
bool DMABufSurfaceRGBA::Create(const SurfaceDescriptor& aDesc) {
ImportSurfaceDescriptor(aDesc);
return true;
}
bool DMABufSurfaceRGBA::Serialize(
mozilla::layers::SurfaceDescriptor& aOutDescriptor) {
AutoTArray<uint32_t, DMABUF_BUFFER_PLANES> width;
AutoTArray<uint32_t, DMABUF_BUFFER_PLANES> height;
AutoTArray<uint32_t, DMABUF_BUFFER_PLANES> format;
AutoTArray<ipc::FileDescriptor, DMABUF_BUFFER_PLANES> fds;
AutoTArray<uint32_t, DMABUF_BUFFER_PLANES> strides;
AutoTArray<uint32_t, DMABUF_BUFFER_PLANES> offsets;
AutoTArray<uintptr_t, DMABUF_BUFFER_PLANES> images;
AutoTArray<ipc::FileDescriptor, 1> fenceFDs;
AutoTArray<ipc::FileDescriptor, 1> refCountFDs;
width.AppendElement(mWidth);
height.AppendElement(mHeight);
format.AppendElement(mGmbFormat->mFormat);
for (int i = 0; i < mBufferPlaneCount; i++) {
fds.AppendElement(ipc::FileDescriptor(mDmabufFds[i]));
strides.AppendElement(mStrides[i]);
offsets.AppendElement(mOffsets[i]);
}
if (mSync) {
fenceFDs.AppendElement(ipc::FileDescriptor(mSyncFd));
}
if (mGlobalRefCountFd) {
refCountFDs.AppendElement(ipc::FileDescriptor(mGlobalRefCountFd));
}
aOutDescriptor =
SurfaceDescriptorDMABuf(mSurfaceType, mBufferModifier, mGbmBufferFlags,
fds, width, height, format, strides, offsets,
GetYUVColorSpace(), fenceFDs, mUID, refCountFDs);
return true;
}
bool DMABufSurfaceRGBA::CreateWLBuffer() {
nsWaylandDisplay* display = WaylandDisplayGet();
if (!display->GetDmabuf()) {
return false;
}
struct zwp_linux_buffer_params_v1* params =
zwp_linux_dmabuf_v1_create_params(display->GetDmabuf());
for (int i = 0; i < mBufferPlaneCount; i++) {
zwp_linux_buffer_params_v1_add(params, mDmabufFds[i], i, mOffsets[i],
mStrides[i], mBufferModifier >> 32,
mBufferModifier & 0xffffffff);
}
zwp_linux_buffer_params_v1_add_listener(params, &params_listener, this);
if (mFastWLBufferCreation) {
mWLBuffer = zwp_linux_buffer_params_v1_create_immed(
params, mWidth, mHeight, mGmbFormat->mFormat, BUFFER_FLAGS);
/* When not using explicit synchronization listen to
* wl_buffer.release for release notifications, otherwise we
* are going to use zwp_linux_buffer_release_v1. */
if (!display->IsExplicitSyncEnabled()) {
wl_buffer_add_listener(mWLBuffer, &buffer_listener, this);
}
} else {
zwp_linux_buffer_params_v1_create(params, mWidth, mHeight,
mGmbFormat->mFormat, BUFFER_FLAGS);
}
return true;
}
bool DMABufSurfaceRGBA::CreateTexture(GLContext* aGLContext, int aPlane) {
MOZ_ASSERT(!mEGLImage && !mTexture, "EGLImage is already created!");
nsTArray<EGLint> attribs;
attribs.AppendElement(LOCAL_EGL_WIDTH);
attribs.AppendElement(mWidth);
attribs.AppendElement(LOCAL_EGL_HEIGHT);
attribs.AppendElement(mHeight);
attribs.AppendElement(LOCAL_EGL_LINUX_DRM_FOURCC_EXT);
if (mGmbFormat) {
attribs.AppendElement(mGmbFormat->mFormat);
} else {
attribs.AppendElement(mDrmFormats[0]);
}
#define ADD_PLANE_ATTRIBS(plane_idx) \
{ \
attribs.AppendElement(LOCAL_EGL_DMA_BUF_PLANE##plane_idx##_FD_EXT); \
attribs.AppendElement(mDmabufFds[plane_idx]); \
attribs.AppendElement(LOCAL_EGL_DMA_BUF_PLANE##plane_idx##_OFFSET_EXT); \
attribs.AppendElement((int)mOffsets[plane_idx]); \
attribs.AppendElement(LOCAL_EGL_DMA_BUF_PLANE##plane_idx##_PITCH_EXT); \
attribs.AppendElement((int)mStrides[plane_idx]); \
if (mBufferModifier != DRM_FORMAT_MOD_INVALID) { \
attribs.AppendElement( \
LOCAL_EGL_DMA_BUF_PLANE##plane_idx##_MODIFIER_LO_EXT); \
attribs.AppendElement(mBufferModifier & 0xFFFFFFFF); \
attribs.AppendElement( \
LOCAL_EGL_DMA_BUF_PLANE##plane_idx##_MODIFIER_HI_EXT); \
attribs.AppendElement(mBufferModifier >> 32); \
} \
}
ADD_PLANE_ATTRIBS(0);
if (mBufferPlaneCount > 1) ADD_PLANE_ATTRIBS(1);
if (mBufferPlaneCount > 2) ADD_PLANE_ATTRIBS(2);
if (mBufferPlaneCount > 3) ADD_PLANE_ATTRIBS(3);
#undef ADD_PLANE_ATTRIBS
attribs.AppendElement(LOCAL_EGL_NONE);
if (!aGLContext) return false;
const auto& gle = gl::GLContextEGL::Cast(aGLContext);
const auto& egl = gle->mEgl;
mEGLImage =
egl->fCreateImage(LOCAL_EGL_NO_CONTEXT, LOCAL_EGL_LINUX_DMA_BUF_EXT,
nullptr, attribs.Elements());
if (mEGLImage == LOCAL_EGL_NO_IMAGE) {
NS_WARNING("EGLImageKHR creation failed");
return false;
}
aGLContext->MakeCurrent();
aGLContext->fGenTextures(1, &mTexture);
aGLContext->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture);
aGLContext->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S,
LOCAL_GL_CLAMP_TO_EDGE);
aGLContext->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T,
LOCAL_GL_CLAMP_TO_EDGE);
aGLContext->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER,
LOCAL_GL_LINEAR);
aGLContext->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER,
LOCAL_GL_LINEAR);
aGLContext->fEGLImageTargetTexture2D(LOCAL_GL_TEXTURE_2D, mEGLImage);
mGL = aGLContext;
return true;
}
void DMABufSurfaceRGBA::ReleaseTextures() {
FenceDelete();
if (!mGL) return;
const auto& gle = gl::GLContextEGL::Cast(mGL);
const auto& egl = gle->mEgl;
if (mTexture && mGL->MakeCurrent()) {
mGL->fDeleteTextures(1, &mTexture);
mTexture = 0;
mGL = nullptr;
}
if (mEGLImage) {
egl->fDestroyImage(mEGLImage);
mEGLImage = nullptr;
}
}
void DMABufSurfaceRGBA::ReleaseSurface() {
MOZ_ASSERT(!IsMapped(), "We can't release mapped buffer!");
ReleaseTextures();
if (mWLBuffer) {
wl_buffer_destroy(mWLBuffer);
mWLBuffer = nullptr;
}
ReleaseDMABuf();
}
void* DMABufSurface::MapInternal(uint32_t aX, uint32_t aY, uint32_t aWidth,
uint32_t aHeight, uint32_t* aStride,
int aGbmFlags, int aPlane) {
NS_ASSERTION(!IsMapped(aPlane), "Already mapped!");
if (!mGbmBufferObject[aPlane]) {
NS_WARNING("We can't map DMABufSurfaceRGBA without mGbmBufferObject");
return nullptr;
}
mMappedRegionStride[aPlane] = 0;
mMappedRegionData[aPlane] = nullptr;
mMappedRegion[aPlane] = nsGbmLib::Map(
mGbmBufferObject[aPlane], aX, aY, aWidth, aHeight, aGbmFlags,
&mMappedRegionStride[aPlane], &mMappedRegionData[aPlane]);
if (aStride) {
*aStride = mMappedRegionStride[aPlane];
}
return mMappedRegion[aPlane];
}
void* DMABufSurfaceRGBA::MapReadOnly(uint32_t aX, uint32_t aY, uint32_t aWidth,
uint32_t aHeight, uint32_t* aStride) {
return MapInternal(aX, aY, aWidth, aHeight, aStride, GBM_BO_TRANSFER_READ);
}
void* DMABufSurfaceRGBA::MapReadOnly(uint32_t* aStride) {
return MapInternal(0, 0, mWidth, mHeight, aStride, GBM_BO_TRANSFER_READ);
}
void* DMABufSurfaceRGBA::Map(uint32_t aX, uint32_t aY, uint32_t aWidth,
uint32_t aHeight, uint32_t* aStride) {
return MapInternal(aX, aY, aWidth, aHeight, aStride,
GBM_BO_TRANSFER_READ_WRITE);
}
void* DMABufSurfaceRGBA::Map(uint32_t* aStride) {
return MapInternal(0, 0, mWidth, mHeight, aStride,
GBM_BO_TRANSFER_READ_WRITE);
}
void DMABufSurface::Unmap(int aPlane) {
if (mMappedRegion[aPlane]) {
nsGbmLib::Unmap(mGbmBufferObject[aPlane], mMappedRegionData[aPlane]);
mMappedRegion[aPlane] = nullptr;
mMappedRegionData[aPlane] = nullptr;
mMappedRegionStride[aPlane] = 0;
}
}
bool DMABufSurfaceRGBA::Resize(int aWidth, int aHeight) {
if (aWidth == mWidth && aHeight == mHeight) {
return true;
}
if (IsMapped()) {
NS_WARNING("We can't resize mapped surface!");
return false;
}
ReleaseSurface();
if (Create(aWidth, aHeight, mSurfaceFlags)) {
if (mSurfaceFlags & DMABUF_CREATE_WL_BUFFER) {
return CreateWLBuffer();
}
}
return false;
}
#if 0
// Copy from source surface by GL
# include "GLBlitHelper.h"
bool DMABufSurfaceRGBA::CopyFrom(class DMABufSurface* aSourceSurface,
GLContext* aGLContext) {
MOZ_ASSERT(aSourceSurface->GetTexture());
MOZ_ASSERT(GetTexture());
gfx::IntSize size(GetWidth(), GetHeight());
aGLContext->BlitHelper()->BlitTextureToTexture(aSourceSurface->GetTexture(),
GetTexture(), size, size);
return true;
}
#endif
// TODO - Clear the surface by EGL
void DMABufSurfaceRGBA::Clear() {
uint32_t destStride;
void* destData = Map(&destStride);
memset(destData, 0, GetHeight() * destStride);
Unmap();
}
bool DMABufSurfaceRGBA::HasAlpha() {
return mGmbFormat ? mGmbFormat->mHasAlpha : true;
}
gfx::SurfaceFormat DMABufSurfaceRGBA::GetFormat() {
return HasAlpha() ? gfx::SurfaceFormat::B8G8R8A8
: gfx::SurfaceFormat::B8G8R8X8;
}
// GL uses swapped R and B components so report accordingly.
gfx::SurfaceFormat DMABufSurfaceRGBA::GetFormatGL() {
return HasAlpha() ? gfx::SurfaceFormat::R8G8B8A8
: gfx::SurfaceFormat::R8G8B8X8;
}
already_AddRefed<DMABufSurfaceRGBA> DMABufSurfaceRGBA::CreateDMABufSurface(
int aWidth, int aHeight, int aDMABufSurfaceFlags) {
RefPtr<DMABufSurfaceRGBA> surf = new DMABufSurfaceRGBA();
if (!surf->Create(aWidth, aHeight, aDMABufSurfaceFlags)) {
return nullptr;
}
return surf.forget();
}
already_AddRefed<DMABufSurfaceYUV> DMABufSurfaceYUV::CreateYUVSurface(
const VADRMPRIMESurfaceDescriptor& aDesc) {
RefPtr<DMABufSurfaceYUV> surf = new DMABufSurfaceYUV();
if (!surf->UpdateYUVData(aDesc)) {
return nullptr;
}
return surf.forget();
}
already_AddRefed<DMABufSurfaceYUV> DMABufSurfaceYUV::CreateYUVSurface(
int aWidth, int aHeight, void** aPixelData, int* aLineSizes) {
RefPtr<DMABufSurfaceYUV> surf = new DMABufSurfaceYUV();
if (!surf->Create(aWidth, aHeight, aPixelData, aLineSizes)) {
return nullptr;
}
return surf.forget();
}
DMABufSurfaceYUV::DMABufSurfaceYUV()
: DMABufSurface(SURFACE_NV12),
mWidth(),
mHeight(),
mTexture(),
mColorSpace(mozilla::gfx::YUVColorSpace::UNKNOWN) {
for (int i = 0; i < DMABUF_BUFFER_PLANES; i++) {
mEGLImage[i] = LOCAL_EGL_NO_IMAGE;
}
}
DMABufSurfaceYUV::~DMABufSurfaceYUV() { ReleaseSurface(); }
bool DMABufSurfaceYUV::UpdateYUVData(const VADRMPRIMESurfaceDescriptor& aDesc) {
if (aDesc.num_layers > DMABUF_BUFFER_PLANES ||
aDesc.num_objects > DMABUF_BUFFER_PLANES) {
return false;
}
if (mDmabufFds[0] >= 0) {
NS_WARNING("DMABufSurfaceYUV is already created!");
return false;
}
if (aDesc.fourcc == VA_FOURCC_NV12) {
mSurfaceType = SURFACE_NV12;
} else if (aDesc.fourcc == VA_FOURCC_YV12) {
mSurfaceType = SURFACE_YUV420;
} else {
NS_WARNING(
nsPrintfCString(
"UpdateYUVData(): Can't import surface data of 0x%x format\n",
aDesc.fourcc)
.get());
return false;
}
mBufferPlaneCount = aDesc.num_layers;
mBufferModifier = aDesc.objects[0].drm_format_modifier;
for (unsigned int i = 0; i < aDesc.num_layers; i++) {
// Intel exports VA-API surfaces in one object,planes have the same FD.
// AMD exports surfaces in two objects with different FDs.
bool dupFD = (aDesc.layers[i].object_index[0] != i);
int fd = aDesc.objects[aDesc.layers[i].object_index[0]].fd;
mDmabufFds[i] = dupFD ? dup(fd) : fd;
mDrmFormats[i] = aDesc.layers[i].drm_format;
mOffsets[i] = aDesc.layers[i].offset[0];
mStrides[i] = aDesc.layers[i].pitch[0];
mWidth[i] = aDesc.width >> i;
mHeight[i] = aDesc.height >> i;
}
return true;
}
bool DMABufSurfaceYUV::CreateYUVPlane(int aPlane, int aWidth, int aHeight,
int aDrmFormat) {
mWidth[aPlane] = aWidth;
mHeight[aPlane] = aHeight;
mDrmFormats[aPlane] = aDrmFormat;
mGbmBufferObject[aPlane] =
nsGbmLib::Create(GetDMABufDevice()->GetGbmDevice(), aWidth, aHeight,
aDrmFormat, GBM_BO_USE_LINEAR | GBM_BO_USE_TEXTURING);
if (!mGbmBufferObject[aPlane]) {
NS_WARNING("Failed to create GbmBufferObject!");
return false;
}
mStrides[aPlane] = nsGbmLib::GetStride(mGbmBufferObject[aPlane]);
mDmabufFds[aPlane] = nsGbmLib::GetFd(mGbmBufferObject[aPlane]);
return true;
}
bool DMABufSurfaceYUV::UpdateYUVData(void** aPixelData, int* aLineSizes) {
if (mSurfaceType != SURFACE_YUV420) {
NS_WARNING("UpdateYUVData can upload YUV420 surface type only!");
return false;
}
if (mBufferPlaneCount != 3 || aLineSizes[0] != mWidth[0] ||
aLineSizes[1] != mWidth[1] || aLineSizes[2] != mWidth[2]) {
NS_WARNING("DMABufSurfaceYUV size does not match!");
return false;
}
auto unmapBuffers = MakeScopeExit([&] {
Unmap(0);
Unmap(1);
Unmap(2);
});
char* yData = (char*)MapInternal(0, 0, mWidth[0], mHeight[0], nullptr,
GBM_BO_TRANSFER_WRITE, 0);
if (!yData || (int)mMappedRegionStride[0] != mWidth[0]) {
NS_WARNING("DMABufSurfaceYUV plane 1 size stride does not match!");
return false;
}
char* uData = (char*)MapInternal(0, 0, mWidth[1], mHeight[1], nullptr,
GBM_BO_TRANSFER_WRITE, 1);
if (!uData || (int)mMappedRegionStride[1] != mWidth[1]) {
NS_WARNING("DMABufSurfaceYUV plane 2 size stride does not match!");
return false;
}
char* vData = (char*)MapInternal(0, 0, mWidth[2], mHeight[2], nullptr,
GBM_BO_TRANSFER_WRITE, 2);
if (!vData || (int)mMappedRegionStride[2] != mWidth[2]) {
NS_WARNING("DMABufSurfaceYUV plane 3 size stride does not match!");
return false;
}
// Copy planes
memcpy(yData, aPixelData[0], aLineSizes[0] * mHeight[0]);
memcpy(uData, aPixelData[1], aLineSizes[1] * mHeight[1]);
memcpy(vData, aPixelData[2], aLineSizes[2] * mHeight[2]);
return true;
}
bool DMABufSurfaceYUV::Create(int aWidth, int aHeight, void** aPixelData,
int* aLineSizes) {
mSurfaceType = SURFACE_YUV420;
mBufferPlaneCount = 3;
if (!CreateYUVPlane(0, aWidth, aHeight, GBM_FORMAT_R8)) {
return false;
}
if (!CreateYUVPlane(1, aWidth >> 1, aHeight >> 1, GBM_FORMAT_R8)) {
return false;
}
if (!CreateYUVPlane(2, aWidth >> 1, aHeight >> 1, GBM_FORMAT_R8)) {
return false;
}
return aPixelData != nullptr && aLineSizes != nullptr
? UpdateYUVData(aPixelData, aLineSizes)
: true;
}
bool DMABufSurfaceYUV::Create(const SurfaceDescriptor& aDesc) {
ImportSurfaceDescriptor(aDesc);
return true;
}
void DMABufSurfaceYUV::ImportSurfaceDescriptor(
const SurfaceDescriptorDMABuf& aDesc) {
mBufferPlaneCount = aDesc.fds().Length();
mSurfaceType = (mBufferPlaneCount == 2) ? SURFACE_NV12 : SURFACE_YUV420;
mBufferModifier = aDesc.modifier();
mColorSpace = aDesc.yUVColorSpace();
mUID = aDesc.uid();
MOZ_RELEASE_ASSERT(mBufferPlaneCount <= DMABUF_BUFFER_PLANES);
for (int i = 0; i < mBufferPlaneCount; i++) {
mDmabufFds[i] = aDesc.fds()[i].ClonePlatformHandle().release();
mWidth[i] = aDesc.width()[i];
mHeight[i] = aDesc.height()[i];
mDrmFormats[i] = aDesc.format()[i];
mStrides[i] = aDesc.strides()[i];
mOffsets[i] = aDesc.offsets()[i];
}
if (aDesc.fence().Length() > 0) {
mSyncFd = aDesc.fence()[0].ClonePlatformHandle().release();
}
if (aDesc.refCount().Length() > 0) {
GlobalRefCountImport(aDesc.refCount()[0].ClonePlatformHandle().release());
}
}
bool DMABufSurfaceYUV::Serialize(
mozilla::layers::SurfaceDescriptor& aOutDescriptor) {
AutoTArray<uint32_t, DMABUF_BUFFER_PLANES> width;
AutoTArray<uint32_t, DMABUF_BUFFER_PLANES> height;
AutoTArray<uint32_t, DMABUF_BUFFER_PLANES> format;
AutoTArray<ipc::FileDescriptor, DMABUF_BUFFER_PLANES> fds;
AutoTArray<uint32_t, DMABUF_BUFFER_PLANES> strides;
AutoTArray<uint32_t, DMABUF_BUFFER_PLANES> offsets;
AutoTArray<ipc::FileDescriptor, 1> fenceFDs;
AutoTArray<ipc::FileDescriptor, 1> refCountFDs;
for (int i = 0; i < mBufferPlaneCount; i++) {
width.AppendElement(mWidth[i]);
height.AppendElement(mHeight[i]);
format.AppendElement(mDrmFormats[i]);
fds.AppendElement(ipc::FileDescriptor(mDmabufFds[i]));
strides.AppendElement(mStrides[i]);
offsets.AppendElement(mOffsets[i]);
}
if (mSync) {
fenceFDs.AppendElement(ipc::FileDescriptor(mSyncFd));
}
if (mGlobalRefCountFd) {
refCountFDs.AppendElement(ipc::FileDescriptor(mGlobalRefCountFd));
}
aOutDescriptor = SurfaceDescriptorDMABuf(
mSurfaceType, mBufferModifier, 0, fds, width, height, format, strides,
offsets, GetYUVColorSpace(), fenceFDs, mUID, refCountFDs);
return true;
}
bool DMABufSurfaceYUV::CreateTexture(GLContext* aGLContext, int aPlane) {
MOZ_ASSERT(!mEGLImage[aPlane] && !mTexture[aPlane],
"EGLImage/Texture is already created!");
if (!aGLContext) return false;
const auto& gle = gl::GLContextEGL::Cast(aGLContext);
const auto& egl = gle->mEgl;
nsTArray<EGLint> attribs;
attribs.AppendElement(LOCAL_EGL_WIDTH);
attribs.AppendElement(mWidth[aPlane]);
attribs.AppendElement(LOCAL_EGL_HEIGHT);
attribs.AppendElement(mHeight[aPlane]);
attribs.AppendElement(LOCAL_EGL_LINUX_DRM_FOURCC_EXT);
attribs.AppendElement(mDrmFormats[aPlane]);
#define ADD_PLANE_ATTRIBS_NV12(plane_idx) \
attribs.AppendElement(LOCAL_EGL_DMA_BUF_PLANE##plane_idx##_FD_EXT); \
attribs.AppendElement(mDmabufFds[aPlane]); \
attribs.AppendElement(LOCAL_EGL_DMA_BUF_PLANE##plane_idx##_OFFSET_EXT); \
attribs.AppendElement((int)mOffsets[aPlane]); \
attribs.AppendElement(LOCAL_EGL_DMA_BUF_PLANE##plane_idx##_PITCH_EXT); \
attribs.AppendElement((int)mStrides[aPlane]);
ADD_PLANE_ATTRIBS_NV12(0);
#undef ADD_PLANE_ATTRIBS_NV12
attribs.AppendElement(LOCAL_EGL_NONE);
mEGLImage[aPlane] =
egl->fCreateImage(LOCAL_EGL_NO_CONTEXT, LOCAL_EGL_LINUX_DMA_BUF_EXT,
nullptr, attribs.Elements());
if (mEGLImage[aPlane] == LOCAL_EGL_NO_IMAGE) {
NS_WARNING("EGLImageKHR creation failed");
return false;
}
aGLContext->MakeCurrent();
aGLContext->fGenTextures(1, &mTexture[aPlane]);
aGLContext->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture[aPlane]);
aGLContext->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S,
LOCAL_GL_CLAMP_TO_EDGE);
aGLContext->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T,
LOCAL_GL_CLAMP_TO_EDGE);
aGLContext->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER,
LOCAL_GL_LINEAR);
aGLContext->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER,
LOCAL_GL_LINEAR);
aGLContext->fEGLImageTargetTexture2D(LOCAL_GL_TEXTURE_2D, mEGLImage[aPlane]);
mGL = aGLContext;
return true;
}
void DMABufSurfaceYUV::ReleaseTextures() {
FenceDelete();
bool textureActive = false;
for (int i = 0; i < mBufferPlaneCount; i++) {
if (mTexture[i]) {
textureActive = true;
break;
}
}
if (!mGL) return;
const auto& gle = gl::GLContextEGL::Cast(mGL);
const auto& egl = gle->mEgl;
if (textureActive && mGL->MakeCurrent()) {
mGL->fDeleteTextures(DMABUF_BUFFER_PLANES, mTexture);
for (int i = 0; i < DMABUF_BUFFER_PLANES; i++) {
mTexture[i] = 0;
}
mGL = nullptr;
}
for (int i = 0; i < mBufferPlaneCount; i++) {
if (mEGLImage[i]) {
egl->fDestroyImage(mEGLImage[i]);
mEGLImage[i] = nullptr;
}
}
}
gfx::SurfaceFormat DMABufSurfaceYUV::GetFormat() {
switch (mSurfaceType) {
case SURFACE_NV12:
return gfx::SurfaceFormat::NV12;
case SURFACE_YUV420:
return gfx::SurfaceFormat::YUV;
default:
NS_WARNING("DMABufSurfaceYUV::GetFormat(): Wrong surface format!");
return gfx::SurfaceFormat::UNKNOWN;
}
}
// GL uses swapped R and B components so report accordingly.
gfx::SurfaceFormat DMABufSurfaceYUV::GetFormatGL() { return GetFormat(); }
uint32_t DMABufSurfaceYUV::GetTextureCount() {
switch (mSurfaceType) {
case SURFACE_NV12:
return 2;
case SURFACE_YUV420:
return 3;
default:
NS_WARNING("DMABufSurfaceYUV::GetTextureCount(): Wrong surface format!");
return 1;
}
}
void DMABufSurfaceYUV::ReleaseSurface() {
ReleaseTextures();
ReleaseDMABuf();
}