Clean up blending code a bit.
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@ -621,6 +621,17 @@ union X10Y10
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// Framebuffer/pixel stuff (incl fog)
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#define GX_BL_ZERO 0
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#define GX_BL_ONE 1
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#define GX_BL_SRCCLR 2 // for dst factor
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#define GX_BL_INVSRCCLR 3 // for dst factor
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#define GX_BL_SRCALPHA 4
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#define GX_BL_INVSRCALPHA 5
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#define GX_BL_DSTALPHA 6
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#define GX_BL_INVDSTALPHA 7
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#define GX_BL_DSTCLR GX_BL_SRCCLR // for src factor
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#define GX_BL_INVDSTCLR GX_BL_INVSRCCLR // for src factor
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union BlendMode
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{
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struct
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@ -715,12 +715,12 @@ void Renderer::SetBlendMode(bool forceUpdate)
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if (bpmem.blendmode.logicopenable && !forceUpdate)
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return;
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if (bpmem.blendmode.subtract) // enable blending src 1 dst 1
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if (bpmem.blendmode.subtract)
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{
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gx_state.blenddc.RenderTarget[0].BlendEnable = true;
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SetBlendOp(D3D11_BLEND_OP_REV_SUBTRACT);
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SetSrcBlend(d3dSrcFactors[1]);
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SetDestBlend(d3dDestFactors[1]);
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SetSrcBlend(D3D11_BLEND_ONE);
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SetDestBlend(D3D11_BLEND_ONE);
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}
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else
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{
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@ -691,8 +691,8 @@ void Renderer::SetBlendMode(bool forceUpdate)
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{
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D3D::SetRenderState(D3DRS_ALPHABLENDENABLE, true);
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D3D::SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_REVSUBTRACT);
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D3D::SetRenderState(D3DRS_SRCBLEND, d3dSrcFactors[1]);
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D3D::SetRenderState(D3DRS_DESTBLEND, d3dDestFactors[1]);
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D3D::SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ONE);
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D3D::SetRenderState(D3DRS_DESTBLEND, D3DBLEND_ONE);
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}
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else
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{
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@ -1008,23 +1008,22 @@ void Renderer::SetBlendMode(bool forceUpdate)
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u32 dstidx = (newval >> 6) & 7;
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GLenum srcFactor = glSrcFactors[srcidx];
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GLenum dstFactor = glDestFactors[dstidx];
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// adjust alpha factors
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if (useDualSource)
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{
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srcidx = 1;
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dstidx = 0;
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srcidx = GX_BL_ONE;
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dstidx = GX_BL_ZERO;
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}
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else
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{
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// we can't use GL_DST_COLOR or GL_ONE_MINUS_DST_COLOR for source in alpha channel so use their alpha equivalent instead
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if (srcidx == 2 || srcidx == 3)
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{
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srcidx += 4;
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}
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if (srcidx == GX_BL_DSTCLR) srcidx = GX_BL_DSTALPHA;
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if (srcidx == GX_BL_INVDSTCLR) srcidx = GX_BL_INVDSTALPHA;
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// we can't use GL_SRC_COLOR or GL_ONE_MINUS_SRC_COLOR for destination in alpha channel so use their alpha equivalent instead
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if (dstidx == 2 || dstidx == 3)
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{
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dstidx += 2;
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}
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if (dstidx == GX_BL_SRCCLR) dstidx = GX_BL_SRCALPHA;
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if (dstidx == GX_BL_INVSRCCLR) dstidx = GX_BL_INVSRCALPHA;
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}
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GLenum srcFactorAlpha = glSrcFactors[srcidx];
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GLenum dstFactorAlpha = glDestFactors[dstidx];
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