OpenGL: Implement fog

1 files changed, 8 insertions, 0 deletions

diff --git a/src/video_core/renderer_opengl/gl_state.cpp b/src/video_core/renderer_opengl/gl_state.cpp
index fa141fc9a..13ee986b9 100644
--- a/src/video_core/renderer_opengl/gl_state.cpp
+++ b/src/video_core/renderer_opengl/gl_state.cpp
@@ -58,6 +58,8 @@ OpenGLState::OpenGLState() {
         lut.texture_1d = 0;
     }
 
+    fog_lut.texture_1d = 0;
+
     draw.read_framebuffer = 0;
     draw.draw_framebuffer = 0;
     draw.vertex_array = 0;
@@ -195,6 +197,12 @@ void OpenGLState::Apply() const {
         }
     }
 
+    // Fog LUT
+    if (fog_lut.texture_1d != cur_state.fog_lut.texture_1d) {
+        glActiveTexture(GL_TEXTURE9);
+        glBindTexture(GL_TEXTURE_1D, fog_lut.texture_1d);
+    }
+
     // Framebuffer
     if (draw.read_framebuffer != cur_state.draw.read_framebuffer) {
         glBindFramebuffer(GL_READ_FRAMEBUFFER, draw.read_framebuffer);