blob: 2a5c7e9185cd8193bc6f8d313d2b539900ecb063 [file] [log] [blame]
// Copyright 2016 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <directfb.h>
#include "starboard/blitter.h"
#include "starboard/log.h"
#include "starboard/shared/directfb/blitter_internal.h"
bool SbBlitterSetRenderTarget(SbBlitterContext context,
SbBlitterRenderTarget render_target) {
if (!SbBlitterIsContextValid(context)) {
SB_DLOG(ERROR) << __FUNCTION__ << ": Invalid context.";
return false;
}
if (!SbBlitterIsRenderTargetValid(render_target)) {
SB_DLOG(ERROR) << __FUNCTION__ << ": Invalid render target.";
return false;
}
context->current_render_target = render_target;
// Get the extents of this render target so that we can later setup the
// scissor rectangle to the extents of this new render target.
int width, height;
if (render_target->surface->GetSize(render_target->surface, &width,
&height) != DFB_OK) {
SB_DLOG(ERROR) << __FUNCTION__ << ": GetSize() failed.";
return false;
}
// In DirectFB, draw state is stored within surfaces. When switching
// surfaces here, make the appropriate DirectFB calls to reset the surface's
// state to known values.
if (render_target->surface->SetPorterDuff(render_target->surface,
DSPD_NONE) != DFB_OK) {
SB_DLOG(ERROR) << __FUNCTION__ << ": SetPorderDuff() failed.";
return false;
}
// Finally, set the scissor rectangle to the extents of this render target.
if (!SbBlitterSetScissor(context, SbBlitterMakeRect(0, 0, width, height))) {
SB_DLOG(ERROR) << __FUNCTION__ << ": SbBlitterSetScissor() failed.";
return false;
}
return true;
}