From 51fb23c850c0b26429295325f77bb0845e04e374 Mon Sep 17 00:00:00 2001
From: Connor McLaughlin <stenzek@gmail.com>
Date: Fri, 11 Jun 2021 11:50:03 +1000
Subject: [PATCH] GPU/OpenGL: Invalidate display framebuffer where possible
---
src/core/gpu_hw_opengl.cpp | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/src/core/gpu_hw_opengl.cpp b/src/core/gpu_hw_opengl.cpp
index 5489b4d16..c4350a875 100644
--- a/src/core/gpu_hw_opengl.cpp
+++ b/src/core/gpu_hw_opengl.cpp
@@ -932,6 +932,12 @@ void GPU_HW_OpenGL::UpdateDisplay()
m_display_texture.BindFramebuffer(GL_DRAW_FRAMEBUFFER);
m_vram_texture.Bind();
+ if (interlaced == InterlacedRenderMode::None && (GLAD_GL_VERSION_4_3 || GLAD_GL_ES_VERSION_3_0))
+ {
+ static constexpr std::array<GLenum, 1> attachments = {GL_COLOR_ATTACHMENT0};
+ glInvalidateFramebuffer(GL_DRAW_FRAMEBUFFER, static_cast<GLsizei>(attachments.size()), attachments.data());
+ }
+
const u8 height_div2 = BoolToUInt8(interlaced == GPU_HW::InterlacedRenderMode::SeparateFields);
const u32 reinterpret_field_offset = (interlaced != InterlacedRenderMode::None) ? GetInterlacedDisplayField() : 0;
const u32 scaled_flipped_vram_offset_y = m_vram_texture.GetHeight() - scaled_vram_offset_y -