void
TextureImageEGL::EndUpdate()
{
NS_ASSERTION(!!mUpdateDrawTarget, "EndUpdate() without BeginUpdate()?");
//printf_stderr("EndUpdate: slow path");
// This is the slower path -- we didn't have any way to set up
// a fast mapping between our cairo target surface and the GL
// texture, so we have to upload data.
RefPtr<gfx::SourceSurface> updateSurface = nullptr;
RefPtr<gfx::DataSourceSurface> uploadImage = nullptr;
gfx::IntSize updateSize(mUpdateRect.width, mUpdateRect.height);
NS_ASSERTION(mUpdateDrawTarget->GetSize() == updateSize,
"Upload image is the wrong size!");
updateSurface = mUpdateDrawTarget->Snapshot();
uploadImage = updateSurface->GetDataSurface();
if (!uploadImage) {
return;
}
mGLContext->MakeCurrent();
mGLContext->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture);
if (mTextureState != Valid) {
NS_ASSERTION(mUpdateRect.x == 0 && mUpdateRect.y == 0 &&
mUpdateRect.Size() == mSize,
"Bad initial update on non-created texture!");
mGLContext->fTexImage2D(LOCAL_GL_TEXTURE_2D,
0,
GLFormatForImage(mUpdateFormat),
mUpdateRect.width,
mUpdateRect.height,
0,
GLFormatForImage(uploadImage->GetFormat()),
GLTypeForImage(uploadImage->GetFormat()),
uploadImage->GetData());
} else {
mGLContext->fTexSubImage2D(LOCAL_GL_TEXTURE_2D,
0,
mUpdateRect.x,
mUpdateRect.y,
mUpdateRect.width,
mUpdateRect.height,
GLFormatForImage(uploadImage->GetFormat()),
GLTypeForImage(uploadImage->GetFormat()),
uploadImage->GetData());
}
mUpdateDrawTarget = nullptr;
mTextureState = Valid;
return; // mTexture is bound
}
void
TextureImageEGL::Resize(const gfx::IntSize& aSize)
{
NS_ASSERTION(!mUpdateSurface, "Resize() while in update?");
if (mSize == aSize && mTextureState != Created)
return;
mGLContext->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture);
mGLContext->fTexImage2D(LOCAL_GL_TEXTURE_2D,
0,
GLFormatForImage(mUpdateFormat),
aSize.width,
aSize.height,
0,
GLFormatForImage(mUpdateFormat),
GLTypeForImage(mUpdateFormat),
nullptr);
mTextureState = Allocated;
mSize = aSize;
}
void
TextureImageEGL::EndUpdate()
{
NS_ASSERTION(!!mUpdateSurface, "EndUpdate() without BeginUpdate()?");
//printf_stderr("EndUpdate: slow path");
// This is the slower path -- we didn't have any way to set up
// a fast mapping between our cairo target surface and the GL
// texture, so we have to upload data.
// Undo the device offset that BeginUpdate set; doesn't much
// matter for us here, but important if we ever do anything
// directly with the surface.
mUpdateSurface->SetDeviceOffset(gfxPoint(0, 0));
nsRefPtr<gfxImageSurface> uploadImage = nullptr;
gfxIntSize updateSize(mUpdateRect.width, mUpdateRect.height);
NS_ASSERTION(mUpdateSurface->GetType() == gfxSurfaceType::Image &&
mUpdateSurface->GetSize() == updateSize,
"Upload image isn't an image surface when one is expected, or is wrong size!");
uploadImage = static_cast<gfxImageSurface*>(mUpdateSurface.get());
if (!uploadImage) {
return;
}
mGLContext->MakeCurrent();
mGLContext->fBindTexture(LOCAL_GL_TEXTURE_2D, mTexture);
if (mTextureState != Valid) {
NS_ASSERTION(mUpdateRect.x == 0 && mUpdateRect.y == 0 &&
mUpdateRect.Size() == gfx::ThebesIntSize(mSize),
"Bad initial update on non-created texture!");
mGLContext->fTexImage2D(LOCAL_GL_TEXTURE_2D,
0,
GLFormatForImage(mUpdateFormat),
mUpdateRect.width,
mUpdateRect.height,
0,
GLFormatForImage(uploadImage->Format()),
GLTypeForImage(uploadImage->Format()),
uploadImage->Data());
} else {
mGLContext->fTexSubImage2D(LOCAL_GL_TEXTURE_2D,
0,
mUpdateRect.x,
mUpdateRect.y,
mUpdateRect.width,
mUpdateRect.height,
GLFormatForImage(uploadImage->Format()),
GLTypeForImage(uploadImage->Format()),
uploadImage->Data());
}
mUpdateSurface = nullptr;
mTextureState = Valid;
return; // mTexture is bound
}