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gsdx-d3d11: Copy render target when it matches texture in slot 4 

Needed for channel shuffle, this copies the render target when it's
the same as the resource texture bound on slot 4.
This commit is contained in:
Kojin 2018-12-15 21:09:12 -05:00 committed by lightningterror
parent 554b797b92
commit ef0ebd6517
1 changed files with 20 additions and 1 deletions
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21
plugins/GSdx/Renderers/DX11/GSDevice11.cpp
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@ -479,7 +479,26 @@ void GSDevice11::DrawPrimitive()
void GSDevice11::DrawIndexedPrimitive()
{
m_ctx->DrawIndexed(m_index.count, m_index.start, m_vertex.start);
// DX can't read from the FB
// So let's copy it and set that as the shader
// resource for slot 4 to avoid issues.
if (m_state.ps_sr_texture[4] && m_state.ps_sr_texture[4]->Equal(m_state.rt_texture))
{
//fprintf(stdout, "FB read detected on slot 4: copying fb...\n");
GSTexture* cp = CopyRenderTarget(m_state.rt_texture);
PSSetShaderResource(4, cp);
PSUpdateShaderState();
m_ctx->DrawIndexed(m_index.count, m_index.start, m_vertex.start);
Recycle(cp);
}
else
{
m_ctx->DrawIndexed(m_index.count, m_index.start, m_vertex.start);
}
}
void GSDevice11::DrawIndexedPrimitive(int offset, int count)