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PostProcessing: Don't use GS expansion shader for quad buffering w/ OpenGL

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OpenGL doesn't render to a 2-layer backbuffer like D3D/Vulkan for quad-buffered
stereo, instead drawing twice with the eye selected by glDrawBuffer()
(see OGL::Renderer::RenderXFBToScreen).
This commit is contained in:
Stenzek 2019-10-02 11:33:20 +10:00
parent e6ae204600
commit e88c269d02
1 changed files with 7 additions and 3 deletions
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10
Source/Core/VideoCommon/PostProcessing.cpp
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@ -714,11 +714,15 @@ bool PostProcessing::CompilePixelShader()
bool PostProcessing::CompilePipeline()
{
// OpenGL doesn't render to a 2-layer backbuffer like D3D/Vulkan for quad-buffered stereo, instead
// drawing twice and the eye selected by glDrawBuffer() (see OGL::Renderer::RenderXFBToScreen).
const bool use_quad_buffer_gs = g_ActiveConfig.stereo_mode == StereoMode::QuadBuffer &&
g_ActiveConfig.backend_info.api_type != APIType::OpenGL;
AbstractPipelineConfig config = {};
config.vertex_shader = m_vertex_shader.get();
config.geometry_shader = g_ActiveConfig.stereo_mode == StereoMode::QuadBuffer ?
g_shader_cache->GetTexcoordGeometryShader() :
nullptr;
config.geometry_shader =
use_quad_buffer_gs ? g_shader_cache->GetTexcoordGeometryShader() : nullptr;
config.pixel_shader = m_pixel_shader.get();
config.rasterization_state = RenderState::GetNoCullRasterizationState(PrimitiveType::Triangles);
config.depth_state = RenderState::GetNoDepthTestingDepthState();