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VideoBackends: Always enable dual-source blending if supported.

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This commit is contained in:
Jules Blok 2016-10-10 17:19:00 +02:00
commit ab5054c34e
6 changed files with 20 additions and 44 deletions
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8
Source/Core/VideoBackends/OGL/Render.cpp
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@ -1241,7 +1241,7 @@ void Renderer::SetBlendMode(bool forceUpdate)
bool target_has_alpha = bpmem.zcontrol.pixel_format == PEControl::RGBA6_Z24;
bool useDstAlpha = bpmem.dstalpha.enable && bpmem.blendmode.alphaupdate && target_has_alpha;
bool useDualSource = useDstAlpha && g_ActiveConfig.backend_info.bSupportsDualSourceBlend;
bool useDualSource = g_ActiveConfig.backend_info.bSupportsDualSourceBlend;
const GLenum glSrcFactors[8] = {
GL_ZERO,
@ -1269,7 +1269,7 @@ void Renderer::SetBlendMode(bool forceUpdate)
// 3-5 - srcRGB function
// 6-8 - dstRGB function
u32 newval = useDualSource << 1;
u32 newval = useDstAlpha << 1;
newval |= bpmem.blendmode.subtract << 2;
if (bpmem.blendmode.subtract)
@ -1295,7 +1295,7 @@ void Renderer::SetBlendMode(bool forceUpdate)
{
// subtract enable change
GLenum equation = newval & 4 ? GL_FUNC_REVERSE_SUBTRACT : GL_FUNC_ADD;
GLenum equationAlpha = useDualSource ? GL_FUNC_ADD : equation;
GLenum equationAlpha = useDstAlpha ? GL_FUNC_ADD : equation;
glBlendEquationSeparate(equation, equationAlpha);
}
@ -1308,7 +1308,7 @@ void Renderer::SetBlendMode(bool forceUpdate)
GLenum dstFactor = glDestFactors[dstidx];
// adjust alpha factors
if (useDualSource)
if (useDstAlpha)
{
srcidx = BlendMode::ONE;
dstidx = BlendMode::ZERO;