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OGL/Vulkan: Drop dual pass alpha.

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This commit is contained in:
degasus
2016-12-28 00:37:35 +01:00
parent f46f779f70
commit b7d8bd13a6
2 changed files with 0 additions and 53 deletions
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21
Source/Core/VideoBackends/Vulkan/VertexManager.cpp
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@ -202,27 +202,6 @@ void VertexManager::vFlush(bool use_dst_alpha)
vkCmdDrawIndexed(g_command_buffer_mgr->GetCurrentCommandBuffer(), index_count, 1,
m_current_draw_base_index, m_current_draw_base_vertex, 0);
// 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 (and the logical operation applies to all channels).
bool logic_op_enabled = bpmem.blendmode.logicopenable && !bpmem.blendmode.blendenable;
if (use_dst_alpha && (!g_vulkan_context->SupportsDualSourceBlend() || logic_op_enabled))
{
StateTracker::GetInstance()->CheckForShaderChanges(m_current_primitive_type,
DSTALPHA_ALPHA_PASS);
if (!StateTracker::GetInstance()->Bind())
{
WARN_LOG(VIDEO, "Skipped draw of %u indices (alpha pass)", index_count);
return;
}
vkCmdDrawIndexed(g_command_buffer_mgr->GetCurrentCommandBuffer(), index_count, 1,
m_current_draw_base_index, m_current_draw_base_vertex, 0);
}
StateTracker::GetInstance()->OnDraw();
}