From b7d8bd13a6c44eecf5c5e59ea60796e3018785f9 Mon Sep 17 00:00:00 2001 From: degasus Date: Wed, 28 Dec 2016 00:37:35 +0100 Subject: OGL/Vulkan: Drop dual pass alpha. --- Source/Core/VideoBackends/OGL/VertexManager.cpp | 32 ------------------------- 1 file changed, 32 deletions(-) (limited to 'Source/Core/VideoBackends/OGL/VertexManager.cpp') diff --git a/Source/Core/VideoBackends/OGL/VertexManager.cpp b/Source/Core/VideoBackends/OGL/VertexManager.cpp index 6b18517555..3c31f01c5e 100644 --- a/Source/Core/VideoBackends/OGL/VertexManager.cpp +++ b/Source/Core/VideoBackends/OGL/VertexManager.cpp @@ -171,38 +171,6 @@ void VertexManager::vFlush(bool useDstAlpha) Draw(stride); - // If the GPU does not support dual-source blending, we can approximate the effect by drawing - // the object a second time, with the write mask set to alpha only using a shader that outputs - // the destination/constant alpha value (which would normally be SRC_COLOR.a). - // - // This is also used when logic ops and destination alpha is enabled, since we can't enable - // blending and logic ops concurrently. - bool logic_op_enabled = (bpmem.blendmode.logicopenable && !bpmem.blendmode.blendenable && - GLInterface->GetMode() == GLInterfaceMode::MODE_OPENGL); - if (useDstAlpha && (!dualSourcePossible || logic_op_enabled)) - { - ProgramShaderCache::SetShader(DSTALPHA_ALPHA_PASS, m_current_primitive_type); - - // only update alpha - glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_TRUE); - - glDisable(GL_BLEND); - - if (logic_op_enabled) - glDisable(GL_COLOR_LOGIC_OP); - - Draw(stride); - - // restore color mask - g_renderer->SetColorMask(); - - if (bpmem.blendmode.blendenable || bpmem.blendmode.subtract) - glEnable(GL_BLEND); - - if (logic_op_enabled) - glEnable(GL_COLOR_LOGIC_OP); - } - #if defined(_DEBUG) || defined(DEBUGFAST) if (g_ActiveConfig.iLog & CONF_SAVESHADERS) { -- cgit v1.2.3