good progress today

src/game/rendering/Rendering.h

@@ -4,6 +4,9 @@
 #include <bx/string.h>
 #include <cstdint>
 
+#include "../Global.h"
+#include "imgui.h"
+
 union SDL_Event;
 
 namespace Game
@@ -62,6 +65,21 @@ namespace Game
         Debug,
     };
 
+    struct DitherData
+    {
+        static constexpr uint32_t BrightnessBucketCount = 256;
+        Vec2 Points[1024];
+        uint32_t PointCount = 0;
+        Vec4 DitherTex[64 * 64 * 16];
+        uint32_t DitherTexWH = 0;
+        uint32_t DitherTexDepth = 0;
+        int32_t BrightnessBuckets[BrightnessBucketCount];
+        bgfx::TextureHandle PreviewTex = BGFX_INVALID_HANDLE;
+        bgfx::TextureHandle FinalTex = BGFX_INVALID_HANDLE;
+        bgfx::UniformHandle Sampler = BGFX_INVALID_HANDLE;
+        ImTextureID PreviewID = 0;
+    };
+
     class GameRendering
     {
       public:
@@ -70,6 +88,7 @@ namespace Game
 
       public:
         UIVisibilityState UIVisible = UIVisibilityState::Game;
+        DitherData DitherTextures;
 
       private:
         bgfx::UniformHandle DefaultSampler;
@@ -81,6 +100,7 @@ namespace Game
         int32_t LastHeight = 0;
         uint32_t ResetFlags = BGFX_RESET_VSYNC;
         uint16_t MainViewID = 10;
+        float LastShaderLoadTime = 0.0f;
 
       public:
         void Setup();