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GLSL: fix transparency issues on dual source blend. fix issue 6104

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This commit is contained in:
degasus
2013-03-17 00:36:13 +01:00
parent 9a404ca6d4
commit 4a929f85b6
2 changed files with 8 additions and 8 deletions
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8
Source/Plugins/Plugin_VideoOGL/Src/Render.cpp
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@ -882,13 +882,13 @@ void Renderer::ReinterpretPixelData(unsigned int convtype)
void Renderer::SetBlendMode(bool forceUpdate)
{
bool useDstAlpha = !g_ActiveConfig.bDstAlphaPass && bpmem.dstalpha.enable && bpmem.blendmode.alphaupdate
&& bpmem.zcontrol.pixel_format == PIXELFMT_RGBA6_Z24;
bool useDualSource = useDstAlpha && g_ActiveConfig.backend_info.bSupportsDualSourceBlend;
// Our render target always uses an alpha channel, so we need to override the blend functions to assume a destination alpha of 1 if the render target isn't supposed to have an alpha channel
// Example: D3DBLEND_DESTALPHA needs to be D3DBLEND_ONE since the result without an alpha channel is assumed to always be 1.
bool target_has_alpha = bpmem.zcontrol.pixel_format == PIXELFMT_RGBA6_Z24;
bool useDstAlpha = !g_ActiveConfig.bDstAlphaPass && bpmem.dstalpha.enable && bpmem.blendmode.alphaupdate && target_has_alpha;
bool useDualSource = useDstAlpha && g_ActiveConfig.backend_info.bSupportsDualSourceBlend;
const GLenum glSrcFactors[8] =
{
GL_ZERO,