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D3D11: Avoid doing redundant framebuffer switch calls

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This commit is contained in:
Henrik Rydgård 2017-03-13 13:41:30 +01:00
parent eb73a28140
commit d93e118496
1 changed files with 5 additions and 0 deletions
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5
ext/native/thin3d/thin3d_d3d11.cpp
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@ -1267,6 +1267,9 @@ bool D3D11DrawContext::BlitFramebuffer(Framebuffer *srcfb, int srcX1, int srcY1,
// These functions should be self explanatory.
void D3D11DrawContext::BindFramebufferAsRenderTarget(Framebuffer *fbo) {
D3D11Framebuffer *fb = (D3D11Framebuffer *)fbo;
if (curRenderTargetView_ == fb->colorRTView && curDepthStencilView_ == fb->depthStencilRTView) {
return;
}
context_->OMSetRenderTargets(1, &fb->colorRTView, fb->depthStencilRTView);
curRenderTargetView_ = fb->colorRTView;
curDepthStencilView_ = fb->depthStencilRTView;
@ -1285,6 +1288,8 @@ void D3D11DrawContext::BindFramebufferForRead(Framebuffer *fbo) {
}
void D3D11DrawContext::BindBackbufferAsRenderTarget() {
if (curRenderTargetView_ == bbRenderTargetView_ && curDepthStencilView_ == bbDepthStencilView_)
return;
context_->OMSetRenderTargets(1, &bbRenderTargetView_, bbDepthStencilView_);
curRenderTargetView_ = bbRenderTargetView_;
curDepthStencilView_ = bbDepthStencilView_;