void
SharedDeprecatedTextureHostOGL::SwapTexturesImpl(const SurfaceDescriptor& aImage,
nsIntRegion* aRegion)
{
NS_ASSERTION(aImage.type() == SurfaceDescriptor::TSharedTextureDescriptor,
"Invalid descriptor");
SharedTextureDescriptor texture = aImage.get_SharedTextureDescriptor();
SharedTextureHandle newHandle = texture.handle();
nsIntSize size = texture.size();
mSize = gfx::IntSize(size.width, size.height);
if (texture.inverted()) {
mFlags |= TEXTURE_NEEDS_Y_FLIP;
}
if (mSharedHandle && mSharedHandle != newHandle) {
mGL->ReleaseSharedHandle(mShareType, mSharedHandle);
}
mShareType = texture.shareType();
mSharedHandle = newHandle;
GLContext::SharedHandleDetails handleDetails;
if (mSharedHandle && mGL->GetSharedHandleDetails(mShareType, mSharedHandle, handleDetails)) {
mTextureTarget = handleDetails.mTarget;
mFormat = handleDetails.mTextureFormat;
}
}
void DestroyBackBuffer()
{
if (mBackBuffer.type() == SurfaceDescriptor::TSharedTextureDescriptor) {
SharedTextureDescriptor handle = mBackBuffer.get_SharedTextureDescriptor();
if (mGLContext && handle.handle()) {
mGLContext->ReleaseSharedHandle(handle.shareType(), handle.handle());
mBackBuffer = SurfaceDescriptor();
}
} else if (IsSurfaceDescriptorValid(mBackBuffer)) {
BasicManager()->ShadowLayerForwarder::DestroySharedSurface(&mBackBuffer);
mBackBuffer = SurfaceDescriptor();
}
}
void
ShadowCanvasLayerOGL::DestroyFrontBuffer()
{
mTexImage = nsnull;
if (mTexture) {
gl()->MakeCurrent();
gl()->fDeleteTextures(1, &mTexture);
}
if (IsValidSharedTexDescriptor(mFrontBufferDescriptor)) {
SharedTextureDescriptor texDescriptor = mFrontBufferDescriptor.get_SharedTextureDescriptor();
gl()->ReleaseSharedHandle(texDescriptor.shareType(), texDescriptor.handle());
mFrontBufferDescriptor = SurfaceDescriptor();
}
}
bool
ShadowImageLayerOGL::Init(const SharedImage& aFront)
{
if (aFront.type() == SharedImage::TSurfaceDescriptor) {
SurfaceDescriptor surface = aFront.get_SurfaceDescriptor();
if (surface.type() == SurfaceDescriptor::TSharedTextureDescriptor) {
SharedTextureDescriptor texture = surface.get_SharedTextureDescriptor();
mSize = texture.size();
mSharedHandle = texture.handle();
mShareType = texture.shareType();
mInverted = texture.inverted();
} else {
AutoOpenSurface autoSurf(OPEN_READ_ONLY, surface);
mSize = autoSurf.Size();
mTexImage = gl()->CreateTextureImage(nsIntSize(mSize.width, mSize.height),
autoSurf.ContentType(),
LOCAL_GL_CLAMP_TO_EDGE,
mForceSingleTile
? TextureImage::ForceSingleTile
: TextureImage::NoFlags);
}
} else {
YUVImage yuv = aFront.get_YUVImage();
AutoOpenSurface surfY(OPEN_READ_ONLY, yuv.Ydata());
AutoOpenSurface surfU(OPEN_READ_ONLY, yuv.Udata());
mSize = surfY.Size();
mCbCrSize = surfU.Size();
if (!mYUVTexture[0].IsAllocated()) {
mYUVTexture[0].Allocate(gl());
mYUVTexture[1].Allocate(gl());
mYUVTexture[2].Allocate(gl());
}
NS_ASSERTION(mYUVTexture[0].IsAllocated() &&
mYUVTexture[1].IsAllocated() &&
mYUVTexture[2].IsAllocated(),
"Texture allocation failed!");
gl()->MakeCurrent();
SetClamping(gl(), mYUVTexture[0].GetTextureID());
SetClamping(gl(), mYUVTexture[1].GetTextureID());
SetClamping(gl(), mYUVTexture[2].GetTextureID());
return true;
}
return false;
}
void
ShadowImageLayerOGL::Swap(const SharedImage& aNewFront,
SharedImage* aNewBack)
{
if (!mDestroyed) {
if (aNewFront.type() == SharedImage::TSharedImageID) {
// We are using ImageBridge protocol. The image data will be queried at render
// time in the parent side.
uint64_t newID = aNewFront.get_SharedImageID().id();
if (newID != mImageContainerID) {
mImageContainerID = newID;
mImageVersion = 0;
}
} else if (aNewFront.type() == SharedImage::TSurfaceDescriptor) {
SurfaceDescriptor surface = aNewFront.get_SurfaceDescriptor();
if (surface.type() == SurfaceDescriptor::TSharedTextureDescriptor) {
SharedTextureDescriptor texture = surface.get_SharedTextureDescriptor();
SharedTextureHandle newHandle = texture.handle();
mSize = texture.size();
mInverted = texture.inverted();
if (mSharedHandle && newHandle != mSharedHandle)
gl()->ReleaseSharedHandle(mShareType, mSharedHandle);
mSharedHandle = newHandle;
mShareType = texture.shareType();
} else {
AutoOpenSurface surf(OPEN_READ_ONLY, surface);
gfxIntSize size = surf.Size();
if (mSize != size || !mTexImage ||
mTexImage->GetContentType() != surf.ContentType()) {
Init(aNewFront);
}
// XXX this is always just ridiculously slow
nsIntRegion updateRegion(nsIntRect(0, 0, size.width, size.height));
mTexImage->DirectUpdate(surf.Get(), updateRegion);
}
} else {
const YUVImage& yuv = aNewFront.get_YUVImage();
UploadSharedYUVToTexture(yuv);
}
}
*aNewBack = aNewFront;
}
void
ShadowCanvasLayerOGL::RenderLayer(int aPreviousFrameBuffer,
const nsIntPoint& aOffset)
{
if (!mTexImage && !IsValidSharedTexDescriptor(mFrontBufferDescriptor)) {
return;
}
if (mOGLManager->CompositingDisabled()) {
return;
}
mOGLManager->MakeCurrent();
gfx3DMatrix effectiveTransform = GetEffectiveTransform();
gfxPattern::GraphicsFilter filter = mFilter;
#ifdef ANDROID
// Bug 691354
// Using the LINEAR filter we get unexplained artifacts.
// Use NEAREST when no scaling is required.
gfxMatrix matrix;
bool is2D = GetEffectiveTransform().Is2D(&matrix);
if (is2D && !matrix.HasNonTranslationOrFlip()) {
filter = gfxPattern::FILTER_NEAREST;
}
#endif
ShaderProgramOGL *program;
if (IsValidSharedTexDescriptor(mFrontBufferDescriptor)) {
program = mOGLManager->GetBasicLayerProgram(CanUseOpaqueSurface(),
true,
GetMaskLayer() ? Mask2d : MaskNone);
} else {
program = mOGLManager->GetProgram(mTexImage->GetShaderProgramType(),
GetMaskLayer());
}
program->Activate();
program->SetLayerTransform(effectiveTransform);
program->SetLayerOpacity(GetEffectiveOpacity());
program->SetRenderOffset(aOffset);
program->SetTextureUnit(0);
program->LoadMask(GetMaskLayer());
if (IsValidSharedTexDescriptor(mFrontBufferDescriptor)) {
// Shared texture handle rendering path, single texture rendering
SharedTextureDescriptor texDescriptor = mFrontBufferDescriptor.get_SharedTextureDescriptor();
gl()->fActiveTexture(LOCAL_GL_TEXTURE0);
gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture);
if (!gl()->AttachSharedHandle(texDescriptor.shareType(), texDescriptor.handle())) {
NS_ERROR("Failed to attach shared texture handle");
return;
}
gl()->ApplyFilterToBoundTexture(filter);
program->SetLayerQuadRect(nsIntRect(nsIntPoint(0, 0), texDescriptor.size()));
mOGLManager->BindAndDrawQuad(program, mNeedsYFlip);
gl()->DetachSharedHandle(texDescriptor.shareType(), texDescriptor.handle());
gl()->fBindTexture(LOCAL_GL_TEXTURE_2D, 0);
} else {
// Tiled texture image rendering path
mTexImage->SetFilter(filter);
mTexImage->BeginTileIteration();
if (gl()->CanUploadNonPowerOfTwo()) {
do {
TextureImage::ScopedBindTextureAndApplyFilter texBind(mTexImage, LOCAL_GL_TEXTURE0);
program->SetLayerQuadRect(mTexImage->GetTileRect());
mOGLManager->BindAndDrawQuad(program, mNeedsYFlip); // FIXME flip order of tiles?
} while (mTexImage->NextTile());
} else {
do {
TextureImage::ScopedBindTextureAndApplyFilter texBind(mTexImage, LOCAL_GL_TEXTURE0);
program->SetLayerQuadRect(mTexImage->GetTileRect());
// We can't use BindAndDrawQuad because that always uploads the whole texture from 0.0f -> 1.0f
// in x and y. We use BindAndDrawQuadWithTextureRect to actually draw a subrect of the texture
// We need to reset the origin to 0,0 from the tile rect because the tile originates at 0,0 in the
// actual texture, even though its origin in the composed (tiled) texture is not 0,0
// FIXME: we need to handle mNeedsYFlip, Bug #728625
mOGLManager->BindAndDrawQuadWithTextureRect(program,
nsIntRect(0, 0, mTexImage->GetTileRect().width,
mTexImage->GetTileRect().height),
mTexImage->GetTileRect().Size(),
mTexImage->GetWrapMode(),
mNeedsYFlip);
} while (mTexImage->NextTile());
}
}
}
