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VideoBackends: Always enable dual-source blending if supported.
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@ -1241,7 +1241,7 @@ void Renderer::SetBlendMode(bool forceUpdate)
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bool target_has_alpha = bpmem.zcontrol.pixel_format == PEControl::RGBA6_Z24;
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bool useDstAlpha = bpmem.dstalpha.enable && bpmem.blendmode.alphaupdate && target_has_alpha;
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bool useDualSource = useDstAlpha && g_ActiveConfig.backend_info.bSupportsDualSourceBlend;
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bool useDualSource = g_ActiveConfig.backend_info.bSupportsDualSourceBlend;
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const GLenum glSrcFactors[8] = {
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GL_ZERO,
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@ -1269,7 +1269,7 @@ void Renderer::SetBlendMode(bool forceUpdate)
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// 3-5 - srcRGB function
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// 6-8 - dstRGB function
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u32 newval = useDualSource << 1;
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u32 newval = useDstAlpha << 1;
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newval |= bpmem.blendmode.subtract << 2;
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if (bpmem.blendmode.subtract)
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@ -1295,7 +1295,7 @@ void Renderer::SetBlendMode(bool forceUpdate)
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{
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// subtract enable change
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GLenum equation = newval & 4 ? GL_FUNC_REVERSE_SUBTRACT : GL_FUNC_ADD;
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GLenum equationAlpha = useDualSource ? GL_FUNC_ADD : equation;
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GLenum equationAlpha = useDstAlpha ? GL_FUNC_ADD : equation;
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glBlendEquationSeparate(equation, equationAlpha);
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}
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@ -1308,7 +1308,7 @@ void Renderer::SetBlendMode(bool forceUpdate)
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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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if (useDstAlpha)
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{
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srcidx = BlendMode::ONE;
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dstidx = BlendMode::ZERO;
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