gecko-dev/gfx/gl/SharedSurfaceGralloc.cpp

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8.7 KiB
C++

/* -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40; -*- */
/* 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 "mozilla/Preferences.h"
#include "mozilla/UniquePtr.h"
#include "SharedSurfaceGralloc.h"
#include "GLContext.h"
#include "SharedSurface.h"
#include "GLLibraryEGL.h"
#include "mozilla/layers/GrallocTextureClient.h"
#include "mozilla/layers/ShadowLayers.h"
#include "ui/GraphicBuffer.h"
#include "../layers/ipc/ShadowLayers.h"
#include "ScopedGLHelpers.h"
#include "gfxPlatform.h"
#include "gfx2DGlue.h"
#include "gfxPrefs.h"
#define DEBUG_GRALLOC
#ifdef DEBUG_GRALLOC
#define DEBUG_PRINT(...) do { printf_stderr(__VA_ARGS__); } while (0)
#else
#define DEBUG_PRINT(...) do { } while (0)
#endif
namespace mozilla {
namespace gl {
using namespace mozilla::layers;
using namespace android;
SurfaceFactory_Gralloc::SurfaceFactory_Gralloc(GLContext* prodGL,
const SurfaceCaps& caps,
layers::ISurfaceAllocator* allocator)
: SurfaceFactory(prodGL, SharedSurfaceType::Gralloc, caps)
{
if (caps.surfaceAllocator) {
allocator = caps.surfaceAllocator;
}
MOZ_ASSERT(allocator);
mAllocator = allocator;
}
/*static*/ UniquePtr<SharedSurface_Gralloc>
SharedSurface_Gralloc::Create(GLContext* prodGL,
const GLFormats& formats,
const gfx::IntSize& size,
bool hasAlpha,
ISurfaceAllocator* allocator)
{
GLLibraryEGL* egl = &sEGLLibrary;
MOZ_ASSERT(egl);
UniquePtr<SharedSurface_Gralloc> ret;
DEBUG_PRINT("SharedSurface_Gralloc::Create -------\n");
if (!HasExtensions(egl, prodGL))
return Move(ret);
gfxContentType type = hasAlpha ? gfxContentType::COLOR_ALPHA
: gfxContentType::COLOR;
gfxImageFormat format
= gfxPlatform::GetPlatform()->OptimalFormatForContent(type);
RefPtr<GrallocTextureClientOGL> grallocTC =
new GrallocTextureClientOGL(
allocator,
gfx::ImageFormatToSurfaceFormat(format),
gfx::BackendType::NONE, // we don't need to use it with a DrawTarget
layers::TextureFlags::DEFAULT);
if (!grallocTC->AllocateForGLRendering(size)) {
return Move(ret);
}
sp<GraphicBuffer> buffer = grallocTC->GetGraphicBuffer();
EGLDisplay display = egl->Display();
EGLClientBuffer clientBuffer = buffer->getNativeBuffer();
EGLint attrs[] = {
LOCAL_EGL_NONE, LOCAL_EGL_NONE
};
EGLImage image = egl->fCreateImage(display,
EGL_NO_CONTEXT,
LOCAL_EGL_NATIVE_BUFFER_ANDROID,
clientBuffer, attrs);
if (!image) {
return Move(ret);
}
prodGL->MakeCurrent();
GLuint prodTex = 0;
prodGL->fGenTextures(1, &prodTex);
ScopedBindTexture autoTex(prodGL, prodTex);
prodGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER, LOCAL_GL_LINEAR);
prodGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER, LOCAL_GL_LINEAR);
prodGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S, LOCAL_GL_CLAMP_TO_EDGE);
prodGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T, LOCAL_GL_CLAMP_TO_EDGE);
prodGL->fEGLImageTargetTexture2D(LOCAL_GL_TEXTURE_2D, image);
egl->fDestroyImage(display, image);
ret.reset( new SharedSurface_Gralloc(prodGL, size, hasAlpha, egl,
allocator, grallocTC,
prodTex) );
DEBUG_PRINT("SharedSurface_Gralloc::Create: success -- surface %p,"
" GraphicBuffer %p.\n",
ret.get(), buffer.get());
return Move(ret);
}
SharedSurface_Gralloc::SharedSurface_Gralloc(GLContext* prodGL,
const gfx::IntSize& size,
bool hasAlpha,
GLLibraryEGL* egl,
layers::ISurfaceAllocator* allocator,
layers::GrallocTextureClientOGL* textureClient,
GLuint prodTex)
: SharedSurface(SharedSurfaceType::Gralloc,
AttachmentType::GLTexture,
prodGL,
size,
hasAlpha)
, mEGL(egl)
, mSync(0)
, mAllocator(allocator)
, mTextureClient(textureClient)
, mProdTex(prodTex)
{
}
bool
SharedSurface_Gralloc::HasExtensions(GLLibraryEGL* egl, GLContext* gl)
{
return egl->HasKHRImageBase() &&
gl->IsExtensionSupported(GLContext::OES_EGL_image);
}
SharedSurface_Gralloc::~SharedSurface_Gralloc()
{
DEBUG_PRINT("[SharedSurface_Gralloc %p] destroyed\n", this);
mGL->MakeCurrent();
mGL->fDeleteTextures(1, &mProdTex);
if (mSync) {
MOZ_ALWAYS_TRUE( mEGL->fDestroySync(mEGL->Display(), mSync) );
mSync = 0;
}
}
void
SharedSurface_Gralloc::Fence()
{
if (mSync) {
MOZ_ALWAYS_TRUE( mEGL->fDestroySync(mEGL->Display(), mSync) );
mSync = 0;
}
bool disableSyncFence = false;
// Disable sync fence on AdrenoTM200.
// AdrenoTM200's sync fence does not work correctly. See Bug 1022205.
if (mGL->Renderer() == GLRenderer::AdrenoTM200) {
disableSyncFence = true;
}
// When Android native fences are available, try
// them first since they're more likely to work.
// Android native fences are also likely to perform better.
if (!disableSyncFence &&
mEGL->IsExtensionSupported(GLLibraryEGL::ANDROID_native_fence_sync))
{
mGL->MakeCurrent();
EGLSync sync = mEGL->fCreateSync(mEGL->Display(),
LOCAL_EGL_SYNC_NATIVE_FENCE_ANDROID,
nullptr);
if (sync) {
mGL->fFlush();
#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
int fenceFd = mEGL->fDupNativeFenceFDANDROID(mEGL->Display(), sync);
if (fenceFd != -1) {
mEGL->fDestroySync(mEGL->Display(), sync);
android::sp<android::Fence> fence(new android::Fence(fenceFd));
FenceHandle handle = FenceHandle(fence);
mTextureClient->SetAcquireFenceHandle(handle);
} else {
mSync = sync;
}
#else
mSync = sync;
#endif
return;
}
}
if (!disableSyncFence &&
mEGL->IsExtensionSupported(GLLibraryEGL::KHR_fence_sync))
{
mGL->MakeCurrent();
mSync = mEGL->fCreateSync(mEGL->Display(),
LOCAL_EGL_SYNC_FENCE,
nullptr);
if (mSync) {
mGL->fFlush();
return;
}
}
// We should be able to rely on genlock write locks/read locks.
// But they're broken on some configs, and even a glFinish doesn't
// work. glReadPixels seems to, though.
if (gfxPrefs::GrallocFenceWithReadPixels()) {
mGL->MakeCurrent();
UniquePtr<char[]> buf = MakeUnique<char[]>(4);
mGL->fReadPixels(0, 0, 1, 1, LOCAL_GL_RGBA, LOCAL_GL_UNSIGNED_BYTE, buf.get());
}
}
bool
SharedSurface_Gralloc::WaitSync()
{
if (!mSync) {
// We must not be needed.
return true;
}
MOZ_ASSERT(mEGL->IsExtensionSupported(GLLibraryEGL::KHR_fence_sync));
EGLint status = mEGL->fClientWaitSync(mEGL->Display(),
mSync,
0,
LOCAL_EGL_FOREVER);
if (status != LOCAL_EGL_CONDITION_SATISFIED) {
return false;
}
MOZ_ALWAYS_TRUE( mEGL->fDestroySync(mEGL->Display(), mSync) );
mSync = 0;
return true;
}
bool
SharedSurface_Gralloc::PollSync()
{
if (!mSync) {
// We must not be needed.
return true;
}
MOZ_ASSERT(mEGL->IsExtensionSupported(GLLibraryEGL::KHR_fence_sync));
EGLint status = 0;
MOZ_ALWAYS_TRUE( mEGL->fGetSyncAttrib(mEGL->Display(),
mSync,
LOCAL_EGL_SYNC_STATUS_KHR,
&status) );
if (status != LOCAL_EGL_SIGNALED_KHR) {
return false;
}
MOZ_ALWAYS_TRUE( mEGL->fDestroySync(mEGL->Display(), mSync) );
mSync = 0;
return true;
}
void
SharedSurface_Gralloc::WaitForBufferOwnership()
{
mTextureClient->WaitForBufferOwnership();
}
}
}