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Clean up blending code a bit.

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This commit is contained in:
NeoBrainX
2013-03-28 22:59:42 +01:00
parent 8a33d49de2
commit c10d9ea87a
4 changed files with 25 additions and 15 deletions
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19
Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
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@ -1008,23 +1008,22 @@ void Renderer::SetBlendMode(bool forceUpdate)
u32 dstidx = (newval >> 6) & 7;
GLenum srcFactor = glSrcFactors[srcidx];
GLenum dstFactor = glDestFactors[dstidx];
// adjust alpha factors
if (useDualSource)
{
srcidx = 1;
dstidx = 0;
srcidx = GX_BL_ONE;
dstidx = GX_BL_ZERO;
}
else
{
// we can't use GL_DST_COLOR or GL_ONE_MINUS_DST_COLOR for source in alpha channel so use their alpha equivalent instead
if (srcidx == 2 || srcidx == 3)
{
srcidx += 4;
}
if (srcidx == GX_BL_DSTCLR) srcidx = GX_BL_DSTALPHA;
if (srcidx == GX_BL_INVDSTCLR) srcidx = GX_BL_INVDSTALPHA;
// we can't use GL_SRC_COLOR or GL_ONE_MINUS_SRC_COLOR for destination in alpha channel so use their alpha equivalent instead
if (dstidx == 2 || dstidx == 3)
{
dstidx += 2;
}
if (dstidx == GX_BL_SRCCLR) dstidx = GX_BL_SRCALPHA;
if (dstidx == GX_BL_INVSRCCLR) dstidx = GX_BL_INVSRCALPHA;
}
GLenum srcFactorAlpha = glSrcFactors[srcidx];
GLenum dstFactorAlpha = glDestFactors[dstidx];