gecko/gfx/layers/composite/ImageHost.cpp

411 lines
13 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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 "ImageHost.h"
#include "LayersLogging.h" // for AppendToString
#include "composite/CompositableHost.h" // for CompositableHost, etc
#include "ipc/IPCMessageUtils.h" // for null_t
#include "mozilla/layers/Compositor.h" // for Compositor
#include "mozilla/layers/Effects.h" // for TexturedEffect, Effect, etc
#include "nsAString.h"
#include "nsDebug.h" // for NS_WARNING, NS_ASSERTION
#include "nsPrintfCString.h" // for nsPrintfCString
#include "nsString.h" // for nsAutoCString
class nsIntRegion;
namespace mozilla {
namespace gfx {
class Matrix4x4;
}
using namespace gfx;
namespace layers {
class ISurfaceAllocator;
ImageHost::ImageHost(const TextureInfo& aTextureInfo)
: CompositableHost(aTextureInfo)
, mFrontBuffer(nullptr)
, mHasPictureRect(false)
{}
ImageHost::~ImageHost() {}
void
ImageHost::UseTextureHost(TextureHost* aTexture)
{
mFrontBuffer = aTexture;
}
void
ImageHost::RemoveTextureHost(uint64_t aTextureID)
{
CompositableHost::RemoveTextureHost(aTextureID);
if (mFrontBuffer && mFrontBuffer->GetID() == aTextureID) {
mFrontBuffer = nullptr;
}
}
TextureHost*
ImageHost::GetTextureHost()
{
return mFrontBuffer;
}
void
ImageHost::Composite(EffectChain& aEffectChain,
float aOpacity,
const gfx::Matrix4x4& aTransform,
const gfx::Filter& aFilter,
const gfx::Rect& aClipRect,
const nsIntRegion* aVisibleRegion,
TiledLayerProperties* aLayerProperties)
{
if (!GetCompositor()) {
// should only happen when a tab is dragged to another window and
// async-video is still sending frames but we haven't attached the
// set the new compositor yet.
return;
}
if (!mFrontBuffer) {
return;
}
if (!mFrontBuffer->Lock()) {
NS_WARNING("failed to lock front buffer");
return;
}
RefPtr<NewTextureSource> source = mFrontBuffer->GetTextureSources();
if (!source) {
return;
}
RefPtr<TexturedEffect> effect = CreateTexturedEffect(mFrontBuffer->GetFormat(),
source,
aFilter);
if (!effect) {
return;
}
aEffectChain.mPrimaryEffect = effect;
IntSize textureSize = source->GetSize();
gfx::Rect gfxPictureRect
= mHasPictureRect ? gfx::Rect(0, 0, mPictureRect.width, mPictureRect.height)
: gfx::Rect(0, 0, textureSize.width, textureSize.height);
gfx::Rect pictureRect(0, 0,
mPictureRect.width,
mPictureRect.height);
//XXX: We might have multiple texture sources here (e.g. 3 YCbCr textures), and we're
// only iterating over the tiles of the first one. Are we assuming that the tiling
// will be identical? Can we ensure that somehow?
TileIterator* it = source->AsTileIterator();
if (it) {
it->BeginTileIteration();
do {
nsIntRect tileRect = it->GetTileRect();
gfx::Rect rect(tileRect.x, tileRect.y, tileRect.width, tileRect.height);
if (mHasPictureRect) {
rect = rect.Intersect(pictureRect);
effect->mTextureCoords = Rect(Float(rect.x - tileRect.x)/ tileRect.width,
Float(rect.y - tileRect.y) / tileRect.height,
Float(rect.width) / tileRect.width,
Float(rect.height) / tileRect.height);
} else {
effect->mTextureCoords = Rect(0, 0, 1, 1);
}
GetCompositor()->DrawQuad(rect, aClipRect, aEffectChain,
aOpacity, aTransform);
GetCompositor()->DrawDiagnostics(DIAGNOSTIC_IMAGE|DIAGNOSTIC_BIGIMAGE,
rect, aClipRect, aTransform);
} while (it->NextTile());
it->EndTileIteration();
// layer border
GetCompositor()->DrawDiagnostics(DIAGNOSTIC_IMAGE,
gfxPictureRect, aClipRect,
aTransform);
} else {
IntSize textureSize = source->GetSize();
gfx::Rect rect;
if (mHasPictureRect) {
effect->mTextureCoords = Rect(Float(mPictureRect.x) / textureSize.width,
Float(mPictureRect.y) / textureSize.height,
Float(mPictureRect.width) / textureSize.width,
Float(mPictureRect.height) / textureSize.height);
rect = pictureRect;
} else {
effect->mTextureCoords = Rect(0, 0, 1, 1);
rect = gfx::Rect(0, 0, textureSize.width, textureSize.height);
}
if (mFrontBuffer->GetFlags() & TEXTURE_NEEDS_Y_FLIP) {
effect->mTextureCoords.y = effect->mTextureCoords.YMost();
effect->mTextureCoords.height = -effect->mTextureCoords.height;
}
GetCompositor()->DrawQuad(rect, aClipRect, aEffectChain,
aOpacity, aTransform);
GetCompositor()->DrawDiagnostics(DIAGNOSTIC_IMAGE,
rect, aClipRect,
aTransform);
}
mFrontBuffer->Unlock();
}
void
ImageHost::PrintInfo(nsACString& aTo, const char* aPrefix)
{
aTo += aPrefix;
aTo += nsPrintfCString("ImageHost (0x%p)", this);
AppendToString(aTo, mPictureRect, " [picture-rect=", "]");
if (mFrontBuffer) {
nsAutoCString pfx(aPrefix);
pfx += " ";
aTo += "\n";
mFrontBuffer->PrintInfo(aTo, pfx.get());
}
}
#ifdef MOZ_DUMP_PAINTING
void
ImageHost::Dump(FILE* aFile,
const char* aPrefix,
bool aDumpHtml)
{
if (!aFile) {
aFile = stderr;
}
if (mFrontBuffer) {
fprintf_stderr(aFile, "%s", aPrefix);
fprintf_stderr(aFile, aDumpHtml ? "<ul><li>TextureHost: "
: "TextureHost: ");
DumpTextureHost(aFile, mFrontBuffer);
fprintf_stderr(aFile, aDumpHtml ? " </li></ul> " : " ");
}
}
#endif
LayerRenderState
ImageHost::GetRenderState()
{
if (mFrontBuffer) {
return mFrontBuffer->GetRenderState();
}
return LayerRenderState();
}
#ifdef MOZ_DUMP_PAINTING
TemporaryRef<gfx::DataSourceSurface>
ImageHost::GetAsSurface()
{
return mFrontBuffer->GetAsSurface();
}
#endif
void
DeprecatedImageHostSingle::SetCompositor(Compositor* aCompositor) {
CompositableHost::SetCompositor(aCompositor);
if (mDeprecatedTextureHost) {
mDeprecatedTextureHost->SetCompositor(aCompositor);
}
}
void
DeprecatedImageHostSingle::EnsureDeprecatedTextureHost(TextureIdentifier aTextureId,
const SurfaceDescriptor& aSurface,
ISurfaceAllocator* aAllocator,
const TextureInfo& aTextureInfo)
{
if (mDeprecatedTextureHost &&
mDeprecatedTextureHost->GetBuffer() &&
mDeprecatedTextureHost->GetBuffer()->type() == aSurface.type()) {
return;
}
MakeDeprecatedTextureHost(aTextureId,
aSurface,
aAllocator,
aTextureInfo);
}
void
DeprecatedImageHostSingle::MakeDeprecatedTextureHost(TextureIdentifier aTextureId,
const SurfaceDescriptor& aSurface,
ISurfaceAllocator* aAllocator,
const TextureInfo& aTextureInfo)
{
mDeprecatedTextureHost = DeprecatedTextureHost::CreateDeprecatedTextureHost(aSurface.type(),
mTextureInfo.mDeprecatedTextureHostFlags,
mTextureInfo.mTextureFlags,
this);
NS_ASSERTION(mDeprecatedTextureHost, "Failed to create texture host");
Compositor* compositor = GetCompositor();
if (compositor && mDeprecatedTextureHost) {
mDeprecatedTextureHost->SetCompositor(compositor);
}
}
LayerRenderState
DeprecatedImageHostSingle::GetRenderState()
{
if (mDeprecatedTextureHost) {
return mDeprecatedTextureHost->GetRenderState();
}
return LayerRenderState();
}
void
DeprecatedImageHostSingle::Composite(EffectChain& aEffectChain,
float aOpacity,
const gfx::Matrix4x4& aTransform,
const gfx::Filter& aFilter,
const gfx::Rect& aClipRect,
const nsIntRegion* aVisibleRegion,
TiledLayerProperties* aLayerProperties)
{
if (!mDeprecatedTextureHost) {
NS_WARNING("Can't composite an invalid or null DeprecatedTextureHost");
return;
}
if (!mDeprecatedTextureHost->IsValid()) {
NS_WARNING("Can't composite an invalid DeprecatedTextureHost");
return;
}
if (!GetCompositor()) {
// should only happen during tabswitch if async-video is still sending frames.
return;
}
if (!mDeprecatedTextureHost->Lock()) {
NS_ASSERTION(false, "failed to lock texture host");
return;
}
RefPtr<TexturedEffect> effect =
CreateTexturedEffect(mDeprecatedTextureHost, aFilter);
if (!effect) {
return;
}
aEffectChain.mPrimaryEffect = effect;
TileIterator* it = mDeprecatedTextureHost->AsTileIterator();
if (it) {
it->BeginTileIteration();
do {
nsIntRect tileRect = it->GetTileRect();
gfx::Rect rect(tileRect.x, tileRect.y, tileRect.width, tileRect.height);
GetCompositor()->DrawQuad(rect, aClipRect, aEffectChain,
aOpacity, aTransform);
GetCompositor()->DrawDiagnostics(DIAGNOSTIC_IMAGE|DIAGNOSTIC_BIGIMAGE,
rect, aClipRect, aTransform);
} while (it->NextTile());
it->EndTileIteration();
} else {
IntSize textureSize = mDeprecatedTextureHost->GetSize();
gfx::Rect rect(0, 0,
mPictureRect.width,
mPictureRect.height);
if (mHasPictureRect) {
effect->mTextureCoords = Rect(Float(mPictureRect.x) / textureSize.width,
Float(mPictureRect.y) / textureSize.height,
Float(mPictureRect.width) / textureSize.width,
Float(mPictureRect.height) / textureSize.height);
} else {
effect->mTextureCoords = Rect(0, 0, 1, 1);
rect = gfx::Rect(0, 0, textureSize.width, textureSize.height);
}
if (mDeprecatedTextureHost->GetFlags() & TEXTURE_NEEDS_Y_FLIP) {
effect->mTextureCoords.y = effect->mTextureCoords.YMost();
effect->mTextureCoords.height = -effect->mTextureCoords.height;
}
GetCompositor()->DrawQuad(rect, aClipRect, aEffectChain,
aOpacity, aTransform);
GetCompositor()->DrawDiagnostics(DIAGNOSTIC_IMAGE,
rect, aClipRect, aTransform);
}
mDeprecatedTextureHost->Unlock();
}
void
DeprecatedImageHostSingle::PrintInfo(nsACString& aTo, const char* aPrefix)
{
aTo += aPrefix;
aTo += nsPrintfCString("DeprecatedImageHostSingle (0x%p)", this);
AppendToString(aTo, mPictureRect, " [picture-rect=", "]");
if (mDeprecatedTextureHost) {
nsAutoCString pfx(aPrefix);
pfx += " ";
aTo += "\n";
mDeprecatedTextureHost->PrintInfo(aTo, pfx.get());
}
}
bool
DeprecatedImageHostBuffered::Update(const SurfaceDescriptor& aImage,
SurfaceDescriptor* aResult) {
if (!GetDeprecatedTextureHost()) {
*aResult = aImage;
return false;
}
GetDeprecatedTextureHost()->SwapTextures(aImage, aResult);
return GetDeprecatedTextureHost()->IsValid();
}
void
DeprecatedImageHostBuffered::MakeDeprecatedTextureHost(TextureIdentifier aTextureId,
const SurfaceDescriptor& aSurface,
ISurfaceAllocator* aAllocator,
const TextureInfo& aTextureInfo)
{
DeprecatedImageHostSingle::MakeDeprecatedTextureHost(aTextureId,
aSurface,
aAllocator,
aTextureInfo);
if (mDeprecatedTextureHost) {
mDeprecatedTextureHost->SetBuffer(new SurfaceDescriptor(null_t()), aAllocator);
}
}
#ifdef MOZ_DUMP_PAINTING
void
DeprecatedImageHostSingle::Dump(FILE* aFile,
const char* aPrefix,
bool aDumpHtml)
{
if (!aFile) {
aFile = stderr;
}
if (mDeprecatedTextureHost) {
fprintf_stderr(aFile, "%s", aPrefix);
fprintf_stderr(aFile, aDumpHtml ? "<ul><li>DeprecatedTextureHost: "
: "DeprecatedTextureHost: ");
DumpDeprecatedTextureHost(aFile, mDeprecatedTextureHost);
fprintf_stderr(aFile, aDumpHtml ? " </li></ul> " : " ");
}
}
TemporaryRef<gfx::DataSourceSurface>
DeprecatedImageHostSingle::GetAsSurface()
{
return mDeprecatedTextureHost->GetAsSurface();
}
#endif
}
}