mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
1250 lines
38 KiB
C++
1250 lines
38 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "TextureHostOGL.h"
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#include "GLContext.h" // for GLContext, etc
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#include "GLSharedHandleHelpers.h"
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#include "GLUploadHelpers.h"
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#include "GLReadTexImageHelper.h"
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#include "SharedSurface.h" // for SharedSurface
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#include "SharedSurfaceEGL.h" // for SharedSurface_EGLImage
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#include "SharedSurfaceGL.h" // for SharedSurface_GLTexture, etc
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#include "SurfaceStream.h" // for SurfaceStream
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#include "SurfaceTypes.h" // for SharedSurfaceType, etc
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#include "TiledLayerBuffer.h" // for TILEDLAYERBUFFER_TILE_SIZE
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#include "gfx2DGlue.h" // for ContentForFormat, etc
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#include "gfxImageSurface.h" // for gfxImageSurface
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#include "gfxReusableSurfaceWrapper.h" // for gfxReusableSurfaceWrapper
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#include "ipc/AutoOpenSurface.h" // for AutoOpenSurface
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#include "mozilla/gfx/2D.h" // for DataSourceSurface
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#include "mozilla/gfx/BaseSize.h" // for BaseSize
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#include "mozilla/layers/CompositorOGL.h" // for CompositorOGL
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#ifdef MOZ_WIDGET_GONK
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# include "GrallocImages.h" // for GrallocImage
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# include "EGLImageHelpers.h"
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#endif
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#include "mozilla/layers/ISurfaceAllocator.h"
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#include "mozilla/layers/YCbCrImageDataSerializer.h"
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#include "mozilla/layers/GrallocTextureHost.h"
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#include "nsPoint.h" // for nsIntPoint
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#include "nsRegion.h" // for nsIntRegion
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#include "GfxTexturesReporter.h" // for GfxTexturesReporter
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#include "GLBlitTextureImageHelper.h"
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#ifdef XP_MACOSX
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#include "SharedSurfaceIO.h"
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#include "mozilla/layers/MacIOSurfaceTextureHostOGL.h"
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#endif
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#include "GeckoProfiler.h"
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using namespace mozilla::gl;
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using namespace mozilla::gfx;
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namespace mozilla {
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namespace layers {
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class Compositor;
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TemporaryRef<CompositableBackendSpecificData>
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CreateCompositableBackendSpecificDataOGL()
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{
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#ifdef MOZ_WIDGET_GONK
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return new CompositableDataGonkOGL();
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#else
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return nullptr;
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#endif
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}
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TemporaryRef<DeprecatedTextureHost>
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CreateDeprecatedTextureHostOGL(SurfaceDescriptorType aDescriptorType,
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uint32_t aDeprecatedTextureHostFlags,
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uint32_t aTextureFlags)
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{
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RefPtr<DeprecatedTextureHost> result = nullptr;
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if (aDeprecatedTextureHostFlags & TEXTURE_HOST_TILED) {
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result = new TiledDeprecatedTextureHostOGL();
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#ifdef MOZ_WIDGET_GONK
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} else if (aDescriptorType == SurfaceDescriptor::TSurfaceDescriptorGralloc) {
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result = new GrallocDeprecatedTextureHostOGL();
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#endif
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} else {
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result = new TextureImageDeprecatedTextureHostOGL();
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}
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NS_ASSERTION(result, "Result should have been created.");
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result->SetFlags(aTextureFlags);
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return result.forget();
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}
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TemporaryRef<TextureHost>
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CreateTextureHostOGL(const SurfaceDescriptor& aDesc,
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ISurfaceAllocator* aDeallocator,
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TextureFlags aFlags)
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{
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RefPtr<TextureHost> result;
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switch (aDesc.type()) {
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case SurfaceDescriptor::TSurfaceDescriptorShmem:
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case SurfaceDescriptor::TSurfaceDescriptorMemory: {
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result = CreateBackendIndependentTextureHost(aDesc,
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aDeallocator, aFlags);
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break;
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}
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case SurfaceDescriptor::TSharedTextureDescriptor: {
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const SharedTextureDescriptor& desc = aDesc.get_SharedTextureDescriptor();
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result = new SharedTextureHostOGL(aFlags,
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desc.shareType(),
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desc.handle(),
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desc.size(),
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desc.inverted());
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break;
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}
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case SurfaceDescriptor::TSurfaceStreamDescriptor: {
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const SurfaceStreamDescriptor& desc = aDesc.get_SurfaceStreamDescriptor();
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result = new StreamTextureHostOGL(aFlags, desc);
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break;
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}
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#ifdef XP_MACOSX
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case SurfaceDescriptor::TSurfaceDescriptorMacIOSurface: {
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const SurfaceDescriptorMacIOSurface& desc =
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aDesc.get_SurfaceDescriptorMacIOSurface();
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result = new MacIOSurfaceTextureHostOGL(aFlags, desc);
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break;
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}
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#endif
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#ifdef MOZ_WIDGET_GONK
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case SurfaceDescriptor::TNewSurfaceDescriptorGralloc: {
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const NewSurfaceDescriptorGralloc& desc =
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aDesc.get_NewSurfaceDescriptorGralloc();
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result = new GrallocTextureHostOGL(aFlags, desc);
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break;
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}
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#endif
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default: return nullptr;
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}
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return result.forget();
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}
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static gl::TextureImage::Flags
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FlagsToGLFlags(TextureFlags aFlags)
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{
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uint32_t result = TextureImage::NoFlags;
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if (aFlags & TEXTURE_USE_NEAREST_FILTER)
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result |= TextureImage::UseNearestFilter;
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if (aFlags & TEXTURE_NEEDS_Y_FLIP)
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result |= TextureImage::NeedsYFlip;
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if (aFlags & TEXTURE_DISALLOW_BIGIMAGE)
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result |= TextureImage::DisallowBigImage;
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return static_cast<gl::TextureImage::Flags>(result);
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}
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GLenum
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WrapMode(gl::GLContext *aGl, bool aAllowRepeat)
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{
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if (aAllowRepeat &&
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(aGl->IsExtensionSupported(GLContext::ARB_texture_non_power_of_two) ||
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aGl->IsExtensionSupported(GLContext::OES_texture_npot))) {
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return LOCAL_GL_REPEAT;
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}
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return LOCAL_GL_CLAMP_TO_EDGE;
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}
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CompositableDataGonkOGL::CompositableDataGonkOGL()
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: mTexture(0)
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{
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}
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CompositableDataGonkOGL::~CompositableDataGonkOGL()
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{
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DeleteTextureIfPresent();
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}
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gl::GLContext*
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CompositableDataGonkOGL::gl() const
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{
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return mCompositor ? mCompositor->gl() : nullptr;
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}
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void CompositableDataGonkOGL::SetCompositor(Compositor* aCompositor)
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{
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mCompositor = static_cast<CompositorOGL*>(aCompositor);
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}
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void CompositableDataGonkOGL::ClearData()
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{
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CompositableBackendSpecificData::ClearData();
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DeleteTextureIfPresent();
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}
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GLuint CompositableDataGonkOGL::GetTexture()
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{
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if (!mTexture) {
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if (gl()->MakeCurrent()) {
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gl()->fGenTextures(1, &mTexture);
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}
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}
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return mTexture;
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}
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void
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CompositableDataGonkOGL::DeleteTextureIfPresent()
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{
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if (mTexture) {
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if (gl()->MakeCurrent()) {
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gl()->fDeleteTextures(1, &mTexture);
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}
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mTexture = 0;
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}
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}
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#if MOZ_WIDGET_GONK && ANDROID_VERSION >= 18
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bool
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TextureHostOGL::SetReleaseFence(const android::sp<android::Fence>& aReleaseFence)
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{
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if (!aReleaseFence.get() || !aReleaseFence->isValid()) {
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return false;
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}
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if (!mReleaseFence.get()) {
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mReleaseFence = aReleaseFence;
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} else {
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android::sp<android::Fence> mergedFence = android::Fence::merge(
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android::String8::format("TextureHostOGL"),
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mReleaseFence, aReleaseFence);
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if (!mergedFence.get()) {
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// synchronization is broken, the best we can do is hope fences
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// signal in order so the new fence will act like a union.
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// This error handling is same as android::ConsumerBase does.
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mReleaseFence = aReleaseFence;
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return false;
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}
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mReleaseFence = mergedFence;
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}
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return true;
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}
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android::sp<android::Fence>
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TextureHostOGL::GetAndResetReleaseFence()
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{
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android::sp<android::Fence> fence = mReleaseFence;
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mReleaseFence = android::Fence::NO_FENCE;
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return fence;
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}
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#endif
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bool
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TextureImageTextureSourceOGL::Update(gfx::DataSourceSurface* aSurface,
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nsIntRegion* aDestRegion,
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gfx::IntPoint* aSrcOffset)
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{
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MOZ_ASSERT(mGL);
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if (!mGL) {
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NS_WARNING("trying to update TextureImageTextureSourceOGL without a GLContext");
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return false;
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}
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MOZ_ASSERT(aSurface);
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IntSize size = aSurface->GetSize();
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if (!mTexImage ||
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mTexImage->GetSize() != size ||
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mTexImage->GetContentType() != gfx::ContentForFormat(aSurface->GetFormat())) {
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if (mFlags & TEXTURE_DISALLOW_BIGIMAGE) {
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mTexImage = CreateBasicTextureImage(mGL, size,
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gfx::ContentForFormat(aSurface->GetFormat()),
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WrapMode(mGL, mFlags & TEXTURE_ALLOW_REPEAT),
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FlagsToGLFlags(mFlags),
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SurfaceFormatToImageFormat(aSurface->GetFormat()));
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} else {
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// XXX - clarify which size we want to use. IncrementalContentHost will
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// require the size of the destination surface to be different from
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// the size of aSurface.
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// See bug 893300 (tracks the implementation of ContentHost for new textures).
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mTexImage = CreateTextureImage(mGL,
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size,
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gfx::ContentForFormat(aSurface->GetFormat()),
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WrapMode(mGL, mFlags & TEXTURE_ALLOW_REPEAT),
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FlagsToGLFlags(mFlags),
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SurfaceFormatToImageFormat(aSurface->GetFormat()));
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}
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}
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mTexImage->UpdateFromDataSource(aSurface, aDestRegion, aSrcOffset);
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if (mTexImage->InUpdate()) {
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mTexImage->EndUpdate();
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}
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return true;
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}
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void
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TextureImageTextureSourceOGL::SetCompositor(Compositor* aCompositor)
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{
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CompositorOGL* glCompositor = static_cast<CompositorOGL*>(aCompositor);
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if (!glCompositor || (mGL != glCompositor->gl())) {
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DeallocateDeviceData();
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mGL = glCompositor ? glCompositor->gl() : nullptr;
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}
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}
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gfx::IntSize
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TextureImageTextureSourceOGL::GetSize() const
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{
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if (mTexImage) {
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if (mIterating) {
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return mTexImage->GetTileRect().Size();
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}
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return mTexImage->GetSize();
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}
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NS_WARNING("Trying to query the size of an empty TextureSource.");
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return gfx::IntSize(0, 0);
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}
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gfx::SurfaceFormat
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TextureImageTextureSourceOGL::GetFormat() const
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{
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MOZ_ASSERT(mTexImage);
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return mTexImage->GetTextureFormat();
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}
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nsIntRect TextureImageTextureSourceOGL::GetTileRect()
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{
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return ThebesIntRect(mTexImage->GetTileRect());
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}
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void
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TextureImageTextureSourceOGL::BindTexture(GLenum aTextureUnit)
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{
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MOZ_ASSERT(mTexImage,
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"Trying to bind a TextureSource that does not have an underlying GL texture.");
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mTexImage->BindTexture(aTextureUnit);
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}
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SharedTextureSourceOGL::SharedTextureSourceOGL(CompositorOGL* aCompositor,
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gl::SharedTextureHandle aHandle,
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gfx::SurfaceFormat aFormat,
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GLenum aTarget,
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GLenum aWrapMode,
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SharedTextureShareType aShareType,
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gfx::IntSize aSize)
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: mSize(aSize)
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, mCompositor(aCompositor)
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, mSharedHandle(aHandle)
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, mFormat(aFormat)
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, mShareType(aShareType)
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, mTextureTarget(aTarget)
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, mWrapMode(aWrapMode)
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{}
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void
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SharedTextureSourceOGL::BindTexture(GLenum aTextureUnit)
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{
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if (!gl()) {
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NS_WARNING("Trying to bind a texture without a GLContext");
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return;
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}
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GLuint tex = mCompositor->GetTemporaryTexture(aTextureUnit);
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gl()->fActiveTexture(aTextureUnit);
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gl()->fBindTexture(mTextureTarget, tex);
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if (!AttachSharedHandle(gl(), mShareType, mSharedHandle)) {
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NS_ERROR("Failed to bind shared texture handle");
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return;
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}
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gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
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}
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void
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SharedTextureSourceOGL::DetachSharedHandle()
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{
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if (!gl()) {
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return;
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}
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gl::DetachSharedHandle(gl(), mShareType, mSharedHandle);
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}
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void
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SharedTextureSourceOGL::SetCompositor(Compositor* aCompositor)
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{
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mCompositor = static_cast<CompositorOGL*>(aCompositor);
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}
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bool
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SharedTextureSourceOGL::IsValid() const
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{
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return !!gl();
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}
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gl::GLContext*
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SharedTextureSourceOGL::gl() const
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{
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return mCompositor ? mCompositor->gl() : nullptr;
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}
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gfx::Matrix4x4
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SharedTextureSourceOGL::GetTextureTransform()
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{
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SharedHandleDetails handleDetails;
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if (!GetSharedHandleDetails(gl(), mShareType, mSharedHandle, handleDetails)) {
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NS_WARNING("Could not get shared handle details");
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return gfx::Matrix4x4();
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}
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return handleDetails.mTextureTransform;
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}
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SharedTextureHostOGL::SharedTextureHostOGL(TextureFlags aFlags,
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gl::SharedTextureShareType aShareType,
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gl::SharedTextureHandle aSharedHandle,
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gfx::IntSize aSize,
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bool inverted)
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: TextureHost(aFlags)
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, mSize(aSize)
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, mCompositor(nullptr)
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, mSharedHandle(aSharedHandle)
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, mShareType(aShareType)
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{
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}
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SharedTextureHostOGL::~SharedTextureHostOGL()
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{
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// If need to deallocate textures, call DeallocateSharedData() before
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// the destructor
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}
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gl::GLContext*
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SharedTextureHostOGL::gl() const
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{
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return mCompositor ? mCompositor->gl() : nullptr;
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}
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bool
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SharedTextureHostOGL::Lock()
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{
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if (!mCompositor) {
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return false;
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}
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if (!mTextureSource) {
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// XXX on android GetSharedHandleDetails can call into Java which we'd
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// rather not do from the compositor
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SharedHandleDetails handleDetails;
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if (!GetSharedHandleDetails(gl(), mShareType, mSharedHandle, handleDetails)) {
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NS_WARNING("Could not get shared handle details");
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return false;
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}
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GLenum wrapMode = LOCAL_GL_CLAMP_TO_EDGE;
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mTextureSource = new SharedTextureSourceOGL(mCompositor,
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mSharedHandle,
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handleDetails.mTextureFormat,
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handleDetails.mTarget,
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wrapMode,
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mShareType,
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mSize);
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}
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return true;
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}
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void
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SharedTextureHostOGL::Unlock()
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{
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if (!mTextureSource) {
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return;
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}
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mTextureSource->DetachSharedHandle();
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}
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void
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SharedTextureHostOGL::SetCompositor(Compositor* aCompositor)
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{
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CompositorOGL* glCompositor = static_cast<CompositorOGL*>(aCompositor);
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mCompositor = glCompositor;
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if (mTextureSource) {
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mTextureSource->SetCompositor(glCompositor);
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}
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}
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gfx::SurfaceFormat
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SharedTextureHostOGL::GetFormat() const
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{
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MOZ_ASSERT(mTextureSource);
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return mTextureSource->GetFormat();
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}
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void
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StreamTextureSourceOGL::BindTexture(GLenum activetex)
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{
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MOZ_ASSERT(gl());
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gl()->fActiveTexture(activetex);
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gl()->fBindTexture(mTextureTarget, mTextureHandle);
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}
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bool
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StreamTextureSourceOGL::RetrieveTextureFromStream()
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{
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gl()->MakeCurrent();
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SharedSurface* sharedSurf = mStream->SwapConsumer();
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if (!sharedSurf) {
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// We don't have a valid surf to show yet.
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return false;
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}
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gl()->MakeCurrent();
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mSize = IntSize(sharedSurf->Size().width, sharedSurf->Size().height);
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DataSourceSurface* toUpload = nullptr;
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switch (sharedSurf->Type()) {
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case SharedSurfaceType::GLTextureShare: {
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SharedSurface_GLTexture* glTexSurf = SharedSurface_GLTexture::Cast(sharedSurf);
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glTexSurf->SetConsumerGL(gl());
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mTextureHandle = glTexSurf->Texture();
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mTextureTarget = glTexSurf->TextureTarget();
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MOZ_ASSERT(mTextureHandle);
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mFormat = sharedSurf->HasAlpha() ? SurfaceFormat::R8G8B8A8
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: SurfaceFormat::R8G8B8X8;
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break;
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}
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case SharedSurfaceType::EGLImageShare: {
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SharedSurface_EGLImage* eglImageSurf =
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SharedSurface_EGLImage::Cast(sharedSurf);
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mTextureHandle = eglImageSurf->AcquireConsumerTexture(gl());
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mTextureTarget = eglImageSurf->TextureTarget();
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if (!mTextureHandle) {
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toUpload = eglImageSurf->GetPixels();
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MOZ_ASSERT(toUpload);
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} else {
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mFormat = sharedSurf->HasAlpha() ? SurfaceFormat::R8G8B8A8
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: SurfaceFormat::R8G8B8X8;
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}
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break;
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}
|
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#ifdef XP_MACOSX
|
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case SharedSurfaceType::IOSurface: {
|
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SharedSurface_IOSurface* glTexSurf = SharedSurface_IOSurface::Cast(sharedSurf);
|
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mTextureHandle = glTexSurf->Texture();
|
|
mTextureTarget = glTexSurf->TextureTarget();
|
|
MOZ_ASSERT(mTextureHandle);
|
|
mFormat = sharedSurf->HasAlpha() ? SurfaceFormat::R8G8B8A8
|
|
: SurfaceFormat::R8G8B8X8;
|
|
break;
|
|
}
|
|
#endif
|
|
case SharedSurfaceType::Basic: {
|
|
toUpload = SharedSurface_Basic::Cast(sharedSurf)->GetData();
|
|
MOZ_ASSERT(toUpload);
|
|
break;
|
|
}
|
|
default:
|
|
MOZ_CRASH("Invalid SharedSurface type.");
|
|
}
|
|
|
|
if (toUpload) {
|
|
// mBounds seems to end up as (0,0,0,0) a lot, so don't use it?
|
|
nsIntSize size(ThebesIntSize(toUpload->GetSize()));
|
|
nsIntRect rect(nsIntPoint(0,0), size);
|
|
nsIntRegion bounds(rect);
|
|
mFormat = UploadSurfaceToTexture(gl(),
|
|
toUpload,
|
|
bounds,
|
|
mUploadTexture,
|
|
true);
|
|
mTextureHandle = mUploadTexture;
|
|
mTextureTarget = LOCAL_GL_TEXTURE_2D;
|
|
}
|
|
|
|
MOZ_ASSERT(mTextureHandle);
|
|
gl()->fBindTexture(mTextureTarget, mTextureHandle);
|
|
gl()->fTexParameteri(mTextureTarget,
|
|
LOCAL_GL_TEXTURE_WRAP_S,
|
|
LOCAL_GL_CLAMP_TO_EDGE);
|
|
gl()->fTexParameteri(mTextureTarget,
|
|
LOCAL_GL_TEXTURE_WRAP_T,
|
|
LOCAL_GL_CLAMP_TO_EDGE);
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
StreamTextureSourceOGL::DeallocateDeviceData()
|
|
{
|
|
if (mUploadTexture) {
|
|
MOZ_ASSERT(gl());
|
|
gl()->MakeCurrent();
|
|
gl()->fDeleteTextures(1, &mUploadTexture);
|
|
mUploadTexture = 0;
|
|
mTextureHandle = 0;
|
|
}
|
|
}
|
|
|
|
gl::GLContext*
|
|
StreamTextureSourceOGL::gl() const
|
|
{
|
|
return mCompositor ? mCompositor->gl() : nullptr;
|
|
}
|
|
|
|
void
|
|
StreamTextureSourceOGL::SetCompositor(Compositor* aCompositor)
|
|
{
|
|
mCompositor = static_cast<CompositorOGL*>(aCompositor);
|
|
}
|
|
|
|
StreamTextureHostOGL::StreamTextureHostOGL(TextureFlags aFlags,
|
|
const SurfaceStreamDescriptor& aDesc)
|
|
: TextureHost(aFlags)
|
|
{
|
|
mStream = SurfaceStream::FromHandle(aDesc.handle());
|
|
MOZ_ASSERT(mStream);
|
|
}
|
|
|
|
StreamTextureHostOGL::~StreamTextureHostOGL()
|
|
{
|
|
// If need to deallocate textures, call DeallocateSharedData() before
|
|
// the destructor
|
|
}
|
|
|
|
bool
|
|
StreamTextureHostOGL::Lock()
|
|
{
|
|
if (!mCompositor) {
|
|
return false;
|
|
}
|
|
|
|
if (!mTextureSource) {
|
|
mTextureSource = new StreamTextureSourceOGL(mCompositor,
|
|
mStream);
|
|
}
|
|
|
|
return mTextureSource->RetrieveTextureFromStream();
|
|
}
|
|
|
|
void
|
|
StreamTextureHostOGL::Unlock()
|
|
{
|
|
}
|
|
|
|
void
|
|
StreamTextureHostOGL::SetCompositor(Compositor* aCompositor)
|
|
{
|
|
CompositorOGL* glCompositor = static_cast<CompositorOGL*>(aCompositor);
|
|
mCompositor = glCompositor;
|
|
if (mTextureSource) {
|
|
mTextureSource->SetCompositor(glCompositor);
|
|
}
|
|
}
|
|
|
|
gfx::SurfaceFormat
|
|
StreamTextureHostOGL::GetFormat() const
|
|
{
|
|
MOZ_ASSERT(mTextureSource);
|
|
return mTextureSource->GetFormat();
|
|
}
|
|
|
|
gfx::IntSize
|
|
StreamTextureHostOGL::GetSize() const
|
|
{
|
|
MOZ_ASSERT(mTextureSource);
|
|
return mTextureSource->GetSize();
|
|
}
|
|
|
|
TextureImageDeprecatedTextureHostOGL::~TextureImageDeprecatedTextureHostOGL()
|
|
{
|
|
MOZ_COUNT_DTOR(TextureImageDeprecatedTextureHostOGL);
|
|
if (mTexture && mTexture->InUpdate()) {
|
|
mTexture->EndUpdate();
|
|
}
|
|
}
|
|
|
|
gfx::IntSize
|
|
TextureImageDeprecatedTextureHostOGL::GetSize() const
|
|
{
|
|
if (mTexture) {
|
|
if (mIterating) {
|
|
return mTexture->GetTileRect().Size();
|
|
}
|
|
return mTexture->GetSize();
|
|
}
|
|
return gfx::IntSize(0, 0);
|
|
}
|
|
|
|
nsIntRect TextureImageDeprecatedTextureHostOGL::GetTileRect()
|
|
{
|
|
return ThebesIntRect(mTexture->GetTileRect());
|
|
}
|
|
|
|
void
|
|
TextureImageDeprecatedTextureHostOGL::SetCompositor(Compositor* aCompositor)
|
|
{
|
|
CompositorOGL* glCompositor = static_cast<CompositorOGL*>(aCompositor);
|
|
GLContext* newGL = glCompositor ? glCompositor->gl() : nullptr;
|
|
if (mGL != newGL) {
|
|
mGL = newGL;
|
|
mTexture = nullptr;
|
|
// if we have a buffer we reupload it with the new gl context
|
|
// Post landing TODO: the new DeprecatedTextureClient/Host model will make this
|
|
// go away.
|
|
if (newGL && mBuffer && IsSurfaceDescriptorValid(*mBuffer)) {
|
|
UpdateImpl(*mBuffer);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
TextureImageDeprecatedTextureHostOGL::EnsureBuffer(const nsIntSize& aSize,
|
|
gfxContentType aContentType)
|
|
{
|
|
if (!mTexture ||
|
|
mTexture->GetSize() != aSize.ToIntSize() ||
|
|
mTexture->GetContentType() != aContentType) {
|
|
mTexture = CreateTextureImage(mGL,
|
|
aSize.ToIntSize(),
|
|
aContentType,
|
|
WrapMode(mGL, mFlags & TEXTURE_ALLOW_REPEAT),
|
|
FlagsToGLFlags(mFlags));
|
|
}
|
|
mTexture->Resize(aSize.ToIntSize());
|
|
}
|
|
|
|
void
|
|
TextureImageDeprecatedTextureHostOGL::CopyTo(const nsIntRect& aSourceRect,
|
|
DeprecatedTextureHost *aDest,
|
|
const nsIntRect& aDestRect)
|
|
{
|
|
MOZ_ASSERT(aDest->AsSourceOGL(), "Incompatible destination type!");
|
|
TextureImageDeprecatedTextureHostOGL *dest =
|
|
aDest->AsSourceOGL()->AsTextureImageDeprecatedTextureHost();
|
|
MOZ_ASSERT(dest, "Incompatible destination type!");
|
|
|
|
mGL->BlitTextureImageHelper()->BlitTextureImage(mTexture, aSourceRect,
|
|
dest->mTexture, aDestRect);
|
|
dest->mTexture->MarkValid();
|
|
}
|
|
|
|
void
|
|
TextureImageDeprecatedTextureHostOGL::UpdateImpl(const SurfaceDescriptor& aImage,
|
|
nsIntRegion* aRegion,
|
|
nsIntPoint* aOffset)
|
|
{
|
|
if (!mGL) {
|
|
NS_WARNING("trying to update TextureImageDeprecatedTextureHostOGL without a compositor?");
|
|
return;
|
|
}
|
|
|
|
#ifdef MOZ_WIDGET_GONK
|
|
if (mCompositableBackendData) {
|
|
// on gonk, this class is used as a fallback from gralloc buffer.
|
|
// There is a case this class is used with GrallocDeprecatedTextureHostOGL
|
|
// under same CompositableHost. if it happens, a gralloc buffer of
|
|
// GrallocDeprecatedTextureHostOGL needs to be unbounded from a texture,
|
|
// when the gralloc buffer is not rendered.
|
|
// Establish the unbound by deleting the texture.
|
|
// See Bug 916264.
|
|
static_cast<CompositableDataGonkOGL*>(mCompositableBackendData.get())->DeleteTextureIfPresent();
|
|
}
|
|
#endif
|
|
|
|
AutoOpenSurface surf(OPEN_READ_ONLY, aImage);
|
|
gfx::IntSize size = surf.Size();
|
|
TextureImage::ImageFormat format = surf.ImageFormat();
|
|
|
|
if (!mTexture ||
|
|
(mTexture->GetSize() != size && !aOffset) ||
|
|
mTexture->GetContentType() != surf.ContentType() ||
|
|
(mTexture->GetImageFormat() != format &&
|
|
mTexture->GetImageFormat() != gfxImageFormat::Unknown)) {
|
|
|
|
mTexture = CreateTextureImage(mGL,
|
|
size,
|
|
surf.ContentType(),
|
|
WrapMode(mGL, mFlags & TEXTURE_ALLOW_REPEAT),
|
|
FlagsToGLFlags(mFlags),
|
|
format);
|
|
}
|
|
|
|
// XXX this is always just ridiculously slow
|
|
nsIntRegion updateRegion;
|
|
|
|
if (!aRegion) {
|
|
updateRegion = nsIntRegion(nsIntRect(0, 0, size.width, size.height));
|
|
} else {
|
|
updateRegion = *aRegion;
|
|
}
|
|
gfx::IntPoint offset;
|
|
if (aOffset) {
|
|
offset.x = aOffset->x;
|
|
offset.y = aOffset->y;
|
|
}
|
|
nsRefPtr<gfxImageSurface> thebesSurf = surf.GetAsImage();
|
|
RefPtr<DataSourceSurface> sourceSurf =
|
|
gfx::Factory::CreateWrappingDataSourceSurface(thebesSurf->Data(),
|
|
thebesSurf->Stride(),
|
|
ToIntSize(thebesSurf->GetSize()),
|
|
ImageFormatToSurfaceFormat(thebesSurf->Format()));
|
|
mTexture->DirectUpdate(sourceSurf, updateRegion, offset);
|
|
mFormat = mTexture->GetTextureFormat();
|
|
|
|
if (mTexture->InUpdate()) {
|
|
mTexture->EndUpdate();
|
|
}
|
|
}
|
|
|
|
bool
|
|
TextureImageDeprecatedTextureHostOGL::Lock()
|
|
{
|
|
if (!mTexture) {
|
|
NS_WARNING("TextureImageDeprecatedTextureHost to be composited without texture");
|
|
return false;
|
|
}
|
|
|
|
mFormat = mTexture->GetTextureFormat();
|
|
|
|
return true;
|
|
}
|
|
|
|
TiledDeprecatedTextureHostOGL::~TiledDeprecatedTextureHostOGL()
|
|
{
|
|
DeleteTextures();
|
|
}
|
|
|
|
void
|
|
TiledDeprecatedTextureHostOGL::BindTexture(GLenum aTextureUnit)
|
|
{
|
|
mGL->fActiveTexture(aTextureUnit);
|
|
mGL->fBindTexture(LOCAL_GL_TEXTURE_2D, mTextureHandle);
|
|
}
|
|
|
|
static void
|
|
GetFormatAndTileForImageFormat(gfxImageFormat aFormat,
|
|
GLenum& aOutFormat,
|
|
GLenum& aOutType)
|
|
{
|
|
if (aFormat == gfxImageFormat::RGB16_565) {
|
|
aOutFormat = LOCAL_GL_RGB;
|
|
aOutType = LOCAL_GL_UNSIGNED_SHORT_5_6_5;
|
|
} else {
|
|
aOutFormat = LOCAL_GL_RGBA;
|
|
aOutType = LOCAL_GL_UNSIGNED_BYTE;
|
|
}
|
|
}
|
|
|
|
void
|
|
TiledDeprecatedTextureHostOGL::SetCompositor(Compositor* aCompositor)
|
|
{
|
|
CompositorOGL* glCompositor = static_cast<CompositorOGL*>(aCompositor);
|
|
if (mGL && !glCompositor) {
|
|
DeleteTextures();
|
|
}
|
|
mGL = glCompositor ? glCompositor->gl() : nullptr;
|
|
}
|
|
|
|
void
|
|
TiledDeprecatedTextureHostOGL::DeleteTextures()
|
|
{
|
|
if (mTextureHandle) {
|
|
if (mGL->MakeCurrent()) {
|
|
mGL->fDeleteTextures(1, &mTextureHandle);
|
|
|
|
gl::GfxTexturesReporter::UpdateAmount(gl::GfxTexturesReporter::MemoryFreed,
|
|
mGLFormat, GetTileType(),
|
|
TILEDLAYERBUFFER_TILE_SIZE);
|
|
} else if (mGL->IsDestroyed()) {
|
|
// if MakeCurrent failed because the context was already destoyed, it means
|
|
// the driver already freed the texture memory underneith us, so it should
|
|
// not count as a leak.
|
|
gl::GfxTexturesReporter::UpdateAmount(gl::GfxTexturesReporter::MemoryFreed,
|
|
mGLFormat, GetTileType(),
|
|
TILEDLAYERBUFFER_TILE_SIZE);
|
|
}
|
|
|
|
mTextureHandle = 0;
|
|
}
|
|
}
|
|
|
|
void
|
|
TiledDeprecatedTextureHostOGL::Update(gfxReusableSurfaceWrapper* aReusableSurface, TextureFlags aFlags, const gfx::IntSize& aSize)
|
|
{
|
|
mSize = aSize;
|
|
if (!mGL->MakeCurrent()) {
|
|
return;
|
|
}
|
|
|
|
if (aFlags & TEXTURE_NEW_TILE) {
|
|
SetFlags(aFlags);
|
|
mGL->fGenTextures(1, &mTextureHandle);
|
|
mGL->fBindTexture(LOCAL_GL_TEXTURE_2D, mTextureHandle);
|
|
mGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER, LOCAL_GL_LINEAR);
|
|
mGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER, LOCAL_GL_LINEAR);
|
|
mGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_S, LOCAL_GL_CLAMP_TO_EDGE);
|
|
mGL->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_WRAP_T, LOCAL_GL_CLAMP_TO_EDGE);
|
|
} else {
|
|
mGL->fBindTexture(LOCAL_GL_TEXTURE_2D, mTextureHandle);
|
|
// We're re-using a texture, but the format may change. Update the memory
|
|
// reporter with a free and alloc (below) using the old and new formats.
|
|
gl::GfxTexturesReporter::UpdateAmount(gl::GfxTexturesReporter::MemoryFreed,
|
|
mGLFormat, GetTileType(),
|
|
TILEDLAYERBUFFER_TILE_SIZE);
|
|
}
|
|
|
|
GLenum type;
|
|
GetFormatAndTileForImageFormat(aReusableSurface->Format(), mGLFormat, type);
|
|
|
|
const unsigned char* buf = aReusableSurface->GetReadOnlyData();
|
|
mGL->fTexImage2D(LOCAL_GL_TEXTURE_2D, 0, mGLFormat,
|
|
TILEDLAYERBUFFER_TILE_SIZE, TILEDLAYERBUFFER_TILE_SIZE, 0,
|
|
mGLFormat, type, buf);
|
|
|
|
gl::GfxTexturesReporter::UpdateAmount(gl::GfxTexturesReporter::MemoryAllocated,
|
|
mGLFormat, type,
|
|
TILEDLAYERBUFFER_TILE_SIZE);
|
|
|
|
if (mGLFormat == LOCAL_GL_RGB) {
|
|
mFormat = SurfaceFormat::R8G8B8X8;
|
|
} else {
|
|
mFormat = SurfaceFormat::B8G8R8A8;
|
|
}
|
|
}
|
|
|
|
bool
|
|
TiledDeprecatedTextureHostOGL::Lock()
|
|
{
|
|
if (!mTextureHandle) {
|
|
NS_WARNING("TiledDeprecatedTextureHostOGL not ready to be composited");
|
|
return false;
|
|
}
|
|
|
|
if (!mGL->MakeCurrent()) {
|
|
return false;
|
|
}
|
|
mGL->fActiveTexture(LOCAL_GL_TEXTURE0);
|
|
|
|
return true;
|
|
}
|
|
|
|
#ifdef MOZ_WIDGET_GONK
|
|
static gfx::SurfaceFormat
|
|
Deprecated_SurfaceFormatForAndroidPixelFormat(android::PixelFormat aFormat,
|
|
bool swapRB = false)
|
|
{
|
|
switch (aFormat) {
|
|
case android::PIXEL_FORMAT_BGRA_8888:
|
|
return swapRB ? SurfaceFormat::R8G8B8A8 : SurfaceFormat::B8G8R8A8;
|
|
case android::PIXEL_FORMAT_RGBA_8888:
|
|
return swapRB ? SurfaceFormat::B8G8R8A8 : SurfaceFormat::R8G8B8A8;
|
|
case android::PIXEL_FORMAT_RGBX_8888:
|
|
return swapRB ? SurfaceFormat::B8G8R8X8 : SurfaceFormat::R8G8B8X8;
|
|
case android::PIXEL_FORMAT_RGB_565:
|
|
return SurfaceFormat::R5G6B5;
|
|
case HAL_PIXEL_FORMAT_YCbCr_422_SP:
|
|
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
|
|
case HAL_PIXEL_FORMAT_YCbCr_422_I:
|
|
case GrallocImage::HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
|
|
case GrallocImage::HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
|
|
case HAL_PIXEL_FORMAT_YV12:
|
|
return SurfaceFormat::B8G8R8A8; // yup, use SurfaceFormat::B8G8R8A8 even though it's a YUV texture. This is an external texture.
|
|
default:
|
|
if (aFormat >= 0x100 && aFormat <= 0x1FF) {
|
|
// Reserved range for HAL specific formats.
|
|
return SurfaceFormat::B8G8R8A8;
|
|
} else {
|
|
// This is not super-unreachable, there's a bunch of hypothetical pixel
|
|
// formats we don't deal with.
|
|
// We only want to abort in debug builds here, since if we crash here
|
|
// we'll take down the compositor process and thus the phone. This seems
|
|
// like undesirable behaviour. We'd rather have a subtle artifact.
|
|
MOZ_ASSERT(false, "Unknown Android pixel format.");
|
|
return SurfaceFormat::UNKNOWN;
|
|
}
|
|
}
|
|
}
|
|
|
|
static GLenum
|
|
Deprecated_TextureTargetForAndroidPixelFormat(android::PixelFormat aFormat)
|
|
{
|
|
switch (aFormat) {
|
|
case HAL_PIXEL_FORMAT_YCbCr_422_SP:
|
|
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
|
|
case HAL_PIXEL_FORMAT_YCbCr_422_I:
|
|
case GrallocImage::HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
|
|
case GrallocImage::HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
|
|
case HAL_PIXEL_FORMAT_YV12:
|
|
return LOCAL_GL_TEXTURE_EXTERNAL;
|
|
case android::PIXEL_FORMAT_RGBA_8888:
|
|
case android::PIXEL_FORMAT_RGBX_8888:
|
|
case android::PIXEL_FORMAT_RGB_565:
|
|
return LOCAL_GL_TEXTURE_2D;
|
|
default:
|
|
if (aFormat >= 0x100 && aFormat <= 0x1FF) {
|
|
// Reserved range for HAL specific formats.
|
|
return LOCAL_GL_TEXTURE_EXTERNAL;
|
|
} else {
|
|
// This is not super-unreachable, there's a bunch of hypothetical pixel
|
|
// formats we don't deal with.
|
|
// We only want to abort in debug builds here, since if we crash here
|
|
// we'll take down the compositor process and thus the phone. This seems
|
|
// like undesirable behaviour. We'd rather have a subtle artifact.
|
|
MOZ_ASSERT(false, "Unknown Android pixel format.");
|
|
return LOCAL_GL_TEXTURE_EXTERNAL;
|
|
}
|
|
}
|
|
}
|
|
|
|
GrallocDeprecatedTextureHostOGL::GrallocDeprecatedTextureHostOGL()
|
|
: mCompositor(nullptr)
|
|
, mTextureTarget(0)
|
|
, mEGLImage(0)
|
|
, mIsRBSwapped(false)
|
|
{
|
|
}
|
|
|
|
void GrallocDeprecatedTextureHostOGL::SetCompositor(Compositor* aCompositor)
|
|
{
|
|
CompositorOGL* glCompositor = static_cast<CompositorOGL*>(aCompositor);
|
|
if (mCompositor && !glCompositor) {
|
|
DeleteTextures();
|
|
}
|
|
mCompositor = glCompositor;
|
|
}
|
|
|
|
gfx::SurfaceFormat
|
|
GrallocDeprecatedTextureHostOGL::GetFormat() const
|
|
{
|
|
switch (mTextureTarget) {
|
|
case LOCAL_GL_TEXTURE_EXTERNAL: return gfx::SurfaceFormat::R8G8B8A8;
|
|
case LOCAL_GL_TEXTURE_2D: return mFormat;
|
|
default: return gfx::SurfaceFormat::UNKNOWN;
|
|
}
|
|
}
|
|
|
|
void
|
|
GrallocDeprecatedTextureHostOGL::DeleteTextures()
|
|
{
|
|
if (mEGLImage) {
|
|
if (gl()->MakeCurrent()) {
|
|
EGLImageDestroy(gl(), mEGLImage);
|
|
}
|
|
mEGLImage = EGL_NO_IMAGE;
|
|
}
|
|
}
|
|
|
|
// only used for hacky fix in gecko 23 for bug 862324
|
|
static void
|
|
AddDeprecatedTextureHostToGrallocBufferActor(DeprecatedTextureHost* aDeprecatedTextureHost, const SurfaceDescriptor* aSurfaceDescriptor)
|
|
{
|
|
if (aSurfaceDescriptor && IsSurfaceDescriptorValid(*aSurfaceDescriptor)) {
|
|
GrallocBufferActor* actor = static_cast<GrallocBufferActor*>(aSurfaceDescriptor->get_SurfaceDescriptorGralloc().bufferParent());
|
|
actor->AddDeprecatedTextureHost(aDeprecatedTextureHost);
|
|
}
|
|
}
|
|
|
|
static void
|
|
RemoveDeprecatedTextureHostFromGrallocBufferActor(DeprecatedTextureHost* aDeprecatedTextureHost, const SurfaceDescriptor* aSurfaceDescriptor)
|
|
{
|
|
if (aSurfaceDescriptor && IsSurfaceDescriptorValid(*aSurfaceDescriptor)) {
|
|
GrallocBufferActor* actor = static_cast<GrallocBufferActor*>(aSurfaceDescriptor->get_SurfaceDescriptorGralloc().bufferParent());
|
|
actor->RemoveDeprecatedTextureHost(aDeprecatedTextureHost);
|
|
}
|
|
}
|
|
|
|
void
|
|
GrallocDeprecatedTextureHostOGL::UpdateImpl(const SurfaceDescriptor& aImage,
|
|
nsIntRegion* aRegion,
|
|
nsIntPoint* aOffset)
|
|
{
|
|
SwapTexturesImpl(aImage, aRegion);
|
|
}
|
|
|
|
void
|
|
GrallocDeprecatedTextureHostOGL::SwapTexturesImpl(const SurfaceDescriptor& aImage,
|
|
nsIntRegion*)
|
|
{
|
|
MOZ_ASSERT(aImage.type() == SurfaceDescriptor::TSurfaceDescriptorGralloc);
|
|
|
|
const SurfaceDescriptorGralloc& desc = aImage.get_SurfaceDescriptorGralloc();
|
|
mGraphicBuffer = GrallocBufferActor::GetFrom(desc);
|
|
mIsRBSwapped = desc.isRBSwapped();
|
|
mFormat = Deprecated_SurfaceFormatForAndroidPixelFormat(mGraphicBuffer->getPixelFormat(),
|
|
mIsRBSwapped);
|
|
|
|
mTextureTarget = Deprecated_TextureTargetForAndroidPixelFormat(mGraphicBuffer->getPixelFormat());
|
|
GLuint tex = GetGLTexture();
|
|
// delete old EGLImage
|
|
DeleteTextures();
|
|
|
|
if (!gl()->MakeCurrent()) {
|
|
return;
|
|
}
|
|
gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
|
|
gl()->fBindTexture(mTextureTarget, tex);
|
|
// create new EGLImage
|
|
// create EGLImage during buffer swap could reduce the graphic driver's task
|
|
// during rendering.
|
|
mEGLImage = EGLImageCreateFromNativeBuffer(gl(), mGraphicBuffer->getNativeBuffer());
|
|
gl()->fEGLImageTargetTexture2D(mTextureTarget, mEGLImage);
|
|
|
|
}
|
|
|
|
gl::GLContext*
|
|
GrallocDeprecatedTextureHostOGL::gl() const
|
|
{
|
|
return mCompositor ? mCompositor->gl() : nullptr;
|
|
}
|
|
|
|
void GrallocDeprecatedTextureHostOGL::BindTexture(GLenum aTextureUnit)
|
|
{
|
|
PROFILER_LABEL("Gralloc", "BindTexture");
|
|
/*
|
|
* The job of this function is to ensure that the texture is tied to the
|
|
* android::GraphicBuffer, so that texturing will source the GraphicBuffer.
|
|
*
|
|
* To this effect we create an EGLImage wrapping this GraphicBuffer,
|
|
* using CreateEGLImageForNativeBuffer, and then we tie this EGLImage to our
|
|
* texture using fEGLImageTargetTexture2D.
|
|
*
|
|
* We try to avoid re-creating the EGLImage everytime, by keeping it around
|
|
* as the mEGLImage member of this class.
|
|
*/
|
|
MOZ_ASSERT(gl());
|
|
if (!gl()->MakeCurrent()) {
|
|
return;
|
|
}
|
|
|
|
GLuint tex = GetGLTexture();
|
|
|
|
gl()->fActiveTexture(aTextureUnit);
|
|
gl()->fBindTexture(mTextureTarget, tex);
|
|
gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
|
|
}
|
|
|
|
bool
|
|
GrallocDeprecatedTextureHostOGL::IsValid() const
|
|
{
|
|
return !!gl() && !!mGraphicBuffer.get();
|
|
}
|
|
|
|
GrallocDeprecatedTextureHostOGL::~GrallocDeprecatedTextureHostOGL()
|
|
{
|
|
DeleteTextures();
|
|
|
|
// only done for hacky fix in gecko 23 for bug 862324.
|
|
// make sure that if the GrallocBufferActor survives us, it doesn't keep a dangling
|
|
// pointer to us.
|
|
RemoveDeprecatedTextureHostFromGrallocBufferActor(this, mBuffer);
|
|
}
|
|
|
|
bool
|
|
GrallocDeprecatedTextureHostOGL::Lock()
|
|
{
|
|
// Lock/Unlock is done internally when binding the gralloc buffer to a gl texture
|
|
return IsValid();
|
|
}
|
|
|
|
void
|
|
GrallocDeprecatedTextureHostOGL::Unlock()
|
|
{
|
|
// Lock/Unlock is done internally when binding the gralloc buffer to a gl texture
|
|
}
|
|
|
|
void
|
|
GrallocDeprecatedTextureHostOGL::SetBuffer(SurfaceDescriptor* aBuffer, ISurfaceAllocator* aAllocator)
|
|
{
|
|
MOZ_ASSERT(!mBuffer, "Will leak the old mBuffer");
|
|
|
|
if (aBuffer != mBuffer) {
|
|
// only done for hacky fix in gecko 23 for bug 862324.
|
|
// Doing this in SwapTextures is not enough, as the crash could occur right after SetBuffer.
|
|
RemoveDeprecatedTextureHostFromGrallocBufferActor(this, mBuffer);
|
|
AddDeprecatedTextureHostToGrallocBufferActor(this, aBuffer);
|
|
}
|
|
|
|
mBuffer = aBuffer;
|
|
mDeAllocator = aAllocator;
|
|
}
|
|
|
|
LayerRenderState
|
|
GrallocDeprecatedTextureHostOGL::GetRenderState()
|
|
{
|
|
if (mGraphicBuffer.get()) {
|
|
|
|
uint32_t flags = mFlags & TEXTURE_NEEDS_Y_FLIP ? LAYER_RENDER_STATE_Y_FLIPPED : 0;
|
|
|
|
/*
|
|
* The 32 bit format of gralloc buffer is created as RGBA8888 or RGBX888 by default.
|
|
* For software rendering (non-GL rendering), the content is drawn with BGRA
|
|
* or BGRX. Therefore, we need to pass the RBSwapped flag for HW composer to swap format.
|
|
*
|
|
* For GL rendering content, the content format is RGBA or RGBX which is the same as
|
|
* the pixel format of gralloc buffer and no need for the RBSwapped flag.
|
|
*/
|
|
|
|
if (mIsRBSwapped) {
|
|
flags |= LAYER_RENDER_STATE_FORMAT_RB_SWAP;
|
|
}
|
|
|
|
nsIntSize bufferSize(mGraphicBuffer->getWidth(), mGraphicBuffer->getHeight());
|
|
|
|
return LayerRenderState(mGraphicBuffer.get(),
|
|
bufferSize,
|
|
flags,
|
|
nullptr);
|
|
}
|
|
|
|
return LayerRenderState();
|
|
}
|
|
|
|
GLuint
|
|
GrallocDeprecatedTextureHostOGL::GetGLTexture()
|
|
{
|
|
mCompositableBackendData->SetCompositor(mCompositor);
|
|
return static_cast<CompositableDataGonkOGL*>(mCompositableBackendData.get())->GetTexture();
|
|
}
|
|
|
|
#endif // MOZ_WIDGET_GONK
|
|
|
|
TemporaryRef<gfx::DataSourceSurface>
|
|
TextureImageDeprecatedTextureHostOGL::GetAsSurface() {
|
|
RefPtr<gfx::DataSourceSurface> surf =
|
|
IsValid() ? ReadBackSurface(mGL, mTexture->GetTextureID(),
|
|
false, mTexture->GetTextureFormat())
|
|
: nullptr;
|
|
return surf.forget();
|
|
}
|
|
|
|
TemporaryRef<gfx::DataSourceSurface>
|
|
TiledDeprecatedTextureHostOGL::GetAsSurface() {
|
|
RefPtr<DataSourceSurface> surf =
|
|
IsValid() ? ReadBackSurface(mGL, mTextureHandle, false, GetFormat())
|
|
: nullptr;
|
|
return surf.forget();
|
|
}
|
|
|
|
#ifdef MOZ_WIDGET_GONK
|
|
TemporaryRef<gfx::DataSourceSurface>
|
|
GrallocDeprecatedTextureHostOGL::GetAsSurface() {
|
|
if (!gl()->MakeCurrent()) {
|
|
return nullptr;
|
|
}
|
|
GLuint tex = GetGLTexture();
|
|
gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
|
|
gl()->fBindTexture(mTextureTarget, tex);
|
|
if (!mEGLImage) {
|
|
mEGLImage = EGLImageCreateFromNativeBuffer(gl(), mGraphicBuffer->getNativeBuffer());
|
|
}
|
|
gl()->fEGLImageTargetTexture2D(mTextureTarget, mEGLImage);
|
|
|
|
RefPtr<gfx::DataSourceSurface> surf =
|
|
IsValid() ? ReadBackSurface(gl(), tex, false, GetFormat())
|
|
: nullptr;
|
|
return surf.forget();
|
|
}
|
|
#endif // MOZ_WIDGET_GONK
|
|
|
|
} // namespace
|
|
} // namespace
|