VideoCommon: Add usedualsrc field to BlendingState

This is because we re-use BlendingState for our internal drawing (e.g.
RasterFont) and for these shaders, we can't assume the presence of a
second color output.
This commit is contained in:
Stenzek
2017-04-17 23:11:58 +10:00
parent 936910163a
commit 34ad5b457d
3 changed files with 3 additions and 1 deletions

View File

@ -65,6 +65,7 @@ void BlendingState::Generate(const BPMemory& bp)
colorupdate = bp.blendmode.colorupdate && alpha_test_may_success;
alphaupdate = bp.blendmode.alphaupdate && target_has_alpha && alpha_test_may_success;
dstalpha = bp.dstalpha.enable && alphaupdate;
usedualsrc = true;
// The subtract bit has the highest priority
if (bp.blendmode.subtract)