From 5bc82d124cbf26f62cf62c26dc212f556e603547 Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Fri, 8 Feb 2019 20:06:49 -0400
Subject: rasterizer_cache_gl: Implement Texception Pass

---
 .../renderer_opengl/gl_rasterizer_cache.cpp        | 39 ++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'src/video_core/renderer_opengl/gl_rasterizer_cache.cpp')

diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
index 367dbd041..5e97e2f7a 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
@@ -1392,10 +1392,49 @@ bool RasterizerCacheOpenGL::PartialReinterpretSurface(Surface triggering_surface
 void RasterizerCacheOpenGL::NotifyFrameBufferChange(Surface triggering_surface) {
     if (triggering_surface == nullptr)
         return;
+    run_texception_pass = false;
+    if (texception) {
+        return;
+    }
     Surface intersect = CollideOnReinterpretedSurface(triggering_surface->GetAddr());
     if (intersect != nullptr) {
         PartialReinterpretSurface(triggering_surface, intersect);
     }
 }
 
+void RasterizerCacheOpenGL::SignalPreDrawCall() {
+    if (texception) {
+        glTextureBarrier();
+    }
+}
+
+void RasterizerCacheOpenGL::SignalPostDrawCall() {
+    if (!run_texception_pass)
+        return;
+    for (u32 i = 0; i < Maxwell::NumRenderTargets; i++) {
+        if (current_color_buffers[i] != nullptr) {
+            Surface intersect = CollideOnReinterpretedSurface(current_color_buffers[i]->GetAddr());
+            if (intersect != nullptr) {
+                PartialReinterpretSurface(current_color_buffers[i], intersect);
+                texception = true;
+            }
+        }
+    }
+    if (!texception)
+        run_texception_pass = false;
+}
+
+void RasterizerCacheOpenGL::SignalPostFramebufferSetup() {
+    if (!run_texception_pass)
+        texception = false;
+}
+
+void RasterizerCacheOpenGL::SignalSurfaceParameter(Surface& surface) {
+    if (surface == nullptr)
+        return;
+    if (surface->IsReinterpreted()) {
+        run_texception_pass = true;
+    }
+}
+
 } // namespace OpenGL
-- 
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