bool Image11::redefine(RendererD3D *renderer, GLenum target, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, bool forceRelease)
{
if (mWidth != width ||
mHeight != height ||
mInternalFormat != internalformat ||
forceRelease)
{
// End the association with the TextureStorage, since that data will be out of date.
// Also reset mRecoveredFromStorageCount since this Image is getting completely redefined.
disassociateStorage();
mRecoveredFromStorageCount = 0;
mRenderer = Renderer11::makeRenderer11(renderer);
mWidth = width;
mHeight = height;
mDepth = depth;
mInternalFormat = internalformat;
mTarget = target;
// compute the d3d format that will be used
const d3d11::TextureFormat &formatInfo = d3d11::GetTextureFormatInfo(internalformat);
const d3d11::DXGIFormat &dxgiFormatInfo = d3d11::GetDXGIFormatInfo(formatInfo.texFormat);
mDXGIFormat = formatInfo.texFormat;
mActualFormat = dxgiFormatInfo.internalFormat;
mRenderable = (formatInfo.rtvFormat != DXGI_FORMAT_UNKNOWN);
releaseStagingTexture();
mDirty = (formatInfo.dataInitializerFunction != NULL);
return true;
}
return false;
}
bool Image11::redefine(GLenum target, GLenum internalformat, const gl::Extents &size, bool forceRelease)
{
if (mWidth != size.width ||
mHeight != size.height ||
mInternalFormat != internalformat ||
forceRelease)
{
// End the association with the TextureStorage, since that data will be out of date.
// Also reset mRecoveredFromStorageCount since this Image is getting completely redefined.
disassociateStorage();
mRecoveredFromStorageCount = 0;
mWidth = size.width;
mHeight = size.height;
mDepth = size.depth;
mInternalFormat = internalformat;
mTarget = target;
// compute the d3d format that will be used
const d3d11::TextureFormat &formatInfo =
d3d11::GetTextureFormatInfo(internalformat, mRenderer->getRenderer11DeviceCaps());
mDXGIFormat = formatInfo.formatSet->texFormat;
mRenderable = (formatInfo.formatSet->rtvFormat != DXGI_FORMAT_UNKNOWN);
releaseStagingTexture();
mDirty = (formatInfo.dataInitializerFunction != NULL);
return true;
}
return false;
}
gl::Error Image11::copyToStorage(TextureStorage *storage, const gl::ImageIndex &index, const gl::Box ®ion)
{
TextureStorage11 *storage11 = TextureStorage11::makeTextureStorage11(storage);
// If an app's behavior results in an Image11 copying its data to/from to a TextureStorage multiple times,
// then we should just keep the staging texture around to prevent the copying from impacting perf.
// We allow the Image11 to copy its data to/from TextureStorage once.
// This accounts for an app making a late call to glGenerateMipmap.
bool attemptToReleaseStagingTexture = (mRecoveredFromStorageCount < 2);
if (attemptToReleaseStagingTexture)
{
// If another image is relying on this Storage for its data, then we must let it recover its data before we overwrite it.
gl::Error error = storage11->releaseAssociatedImage(index, this);
if (error.isError())
{
return error;
}
}
ID3D11Resource *stagingTexture = NULL;
unsigned int stagingSubresourceIndex = 0;
gl::Error error = getStagingTexture(&stagingTexture, &stagingSubresourceIndex);
if (error.isError())
{
return error;
}
error = storage11->updateSubresourceLevel(stagingTexture, stagingSubresourceIndex, index, region);
if (error.isError())
{
return error;
}
// Once the image data has been copied into the Storage, we can release it locally.
if (attemptToReleaseStagingTexture)
{
storage11->associateImage(this, index);
releaseStagingTexture();
mRecoverFromStorage = true;
mAssociatedStorage = storage11;
mAssociatedImageIndex = index;
}
return gl::Error(GL_NO_ERROR);
}
gl::Error Image11::copyToStorage(const gl::Context *context,
TextureStorage *storage,
const gl::ImageIndex &index,
const gl::Box ®ion)
{
TextureStorage11 *storage11 = GetAs<TextureStorage11>(storage);
// If an app's behavior results in an Image11 copying its data to/from to a TextureStorage
// multiple times, then we should just keep the staging texture around to prevent the copying
// from impacting perf. We allow the Image11 to copy its data to/from TextureStorage once. This
// accounts for an app making a late call to glGenerateMipmap.
bool attemptToReleaseStagingTexture = (mRecoveredFromStorageCount < 2);
if (attemptToReleaseStagingTexture)
{
// If another image is relying on this Storage for its data, then we must let it recover its
// data before we overwrite it.
ANGLE_TRY(storage11->releaseAssociatedImage(context, index, this));
}
const TextureHelper11 *stagingTexture = nullptr;
unsigned int stagingSubresourceIndex = 0;
ANGLE_TRY(getStagingTexture(&stagingTexture, &stagingSubresourceIndex));
ANGLE_TRY(storage11->updateSubresourceLevel(context, *stagingTexture, stagingSubresourceIndex,
index, region));
// Once the image data has been copied into the Storage, we can release it locally.
if (attemptToReleaseStagingTexture)
{
storage11->associateImage(this, index);
releaseStagingTexture();
mRecoverFromStorage = true;
mAssociatedStorage = storage11;
mAssociatedImageIndex = index;
}
return gl::NoError();
}
Image11::~Image11()
{
disassociateStorage();
releaseStagingTexture();
}
