renderer_opengl: Use textures for fragment shader LUTs instead of UBOs.

- Gets us LUT interpolation for free.
- Some older Intel GPU drivers did not support the big UBOs needed to store the LUTs.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/video_core/renderer_opengl/gl_state.h b/src/video_core/renderer_opengl/gl_state.h
index b8ab45bb8..e848058d7 100644
--- a/src/video_core/renderer_opengl/gl_state.h
+++ b/src/video_core/renderer_opengl/gl_state.h
@@ -62,6 +62,10 @@ public:
     } texture_units[3];
 
     struct {
+        GLuint texture_1d; // GL_TEXTURE_BINDING_1D
+    } lighting_lut[6];
+
+    struct {
         GLuint framebuffer; // GL_DRAW_FRAMEBUFFER_BINDING
         GLuint vertex_array; // GL_VERTEX_ARRAY_BINDING
         GLuint vertex_buffer; // GL_ARRAY_BUFFER_BINDING