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// End the association with the TextureStorage, since that data will be out of date.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// End the association with the TextureStorage, since that data will be out of date.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::recoverFromAssociatedStorage()
{
if (mRecoverFromStorage)
{
gl::Error error = createStagingTexture();
if (error.isError())
{
return error;
}
bool textureStorageCorrect = mAssociatedStorage->isAssociatedImageValid(mAssociatedImageIndex, this);
// This means that the cached TextureStorage has been modified after this Image11 released its copy of its data.
// This should not have happened. The TextureStorage should have told this Image11 to recover its data before it was overwritten.
ASSERT(textureStorageCorrect);
if (textureStorageCorrect)
{
// CopySubResource from the Storage to the Staging texture
gl::Box region(0, 0, 0, mWidth, mHeight, mDepth);
error = mAssociatedStorage->copySubresourceLevel(mStagingTexture, mStagingSubresource, mAssociatedImageIndex, region);
if (error.isError())
{
return error;
}
mRecoveredFromStorageCount += 1;
}
// Reset all the recovery parameters, even if the texture storage association is broken.
disassociateStorage();
}
return gl::Error(GL_NO_ERROR);
}
gl::Error Image11::recoverFromAssociatedStorage(const gl::Context *context)
{
if (mRecoverFromStorage)
{
ANGLE_TRY(createStagingTexture());
mAssociatedStorage->verifyAssociatedImageValid(mAssociatedImageIndex, this);
// CopySubResource from the Storage to the Staging texture
gl::Box region(0, 0, 0, mWidth, mHeight, mDepth);
ANGLE_TRY(mAssociatedStorage->copySubresourceLevel(
context, mStagingTexture, mStagingSubresource, mAssociatedImageIndex, region));
mRecoveredFromStorageCount += 1;
// Reset all the recovery parameters, even if the texture storage association is broken.
disassociateStorage();
}
return gl::NoError();
}
Image11::~Image11()
{
disassociateStorage();
releaseStagingTexture();
}