GL: be more careful with framebuffer mappings. might fix issues.

2 files changed, 5 insertions, 3 deletions

diff --git a/src/GPU3D_OpenGL.cpp b/src/GPU3D_OpenGL.cpp
index 1abc1de..f7b9b42 100644
--- a/src/GPU3D_OpenGL.cpp
+++ b/src/GPU3D_OpenGL.cpp
@@ -1159,8 +1159,9 @@ void RenderFrame()
 {
     CurShaderID = -1;
 
-    if (Antialias) glBindFramebuffer(GL_FRAMEBUFFER, FramebufferID[2]);
-    else           glBindFramebuffer(GL_FRAMEBUFFER, FramebufferID[FrontBuffer]);
+    glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
+    if (Antialias) glBindFramebuffer(GL_DRAW_FRAMEBUFFER, FramebufferID[2]);
+    else           glBindFramebuffer(GL_DRAW_FRAMEBUFFER, FramebufferID[FrontBuffer]);
 
     ShaderConfig.uScreenSize[0] = ScreenW;
     ShaderConfig.uScreenSize[1] = ScreenH;
diff --git a/src/GPU_OpenGL.cpp b/src/GPU_OpenGL.cpp
index 1cb6864..b460e07 100644
--- a/src/GPU_OpenGL.cpp
+++ b/src/GPU_OpenGL.cpp
@@ -162,7 +162,8 @@ void SetRenderSettings(RenderSettings& settings)
 
 void RenderFrame()
 {
-    glBindFramebuffer(GL_FRAMEBUFFER, CompScreenOutputFB);
+    glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
+    glBindFramebuffer(GL_DRAW_FRAMEBUFFER, CompScreenOutputFB);
 
     glDisable(GL_DEPTH_TEST);
     glDisable(GL_STENCIL_TEST);