Implement RenderTargetFormat::BGR5A1_UNORM (Pokken Tournament DX)

src/video_core/gpu.h

@@ -42,6 +42,7 @@ enum class RenderTargetFormat : u32 {
     R32_UINT = 0xE4,
     R32_FLOAT = 0xE5,
     B5G6R5_UNORM = 0xE8,
+    BGR5A1_UNORM = 0xE9,
     RG8_UNORM = 0xEA,
     RG8_SNORM = 0xEB,
     R16_UNORM = 0xEE,

src/video_core/renderer_opengl/gl_rasterizer_cache.h

@@ -316,6 +316,8 @@ struct SurfaceParams {
             return PixelFormat::R11FG11FB10F;
         case Tegra::RenderTargetFormat::B5G6R5_UNORM:
             return PixelFormat::B5G6R5U;
+        case Tegra::RenderTargetFormat::BGR5A1_UNORM:
+            return PixelFormat::A1B5G5R5U;
         case Tegra::RenderTargetFormat::RGBA32_UINT:
             return PixelFormat::RGBA32UI;
         case Tegra::RenderTargetFormat::R8_UNORM:
@@ -576,6 +578,7 @@ struct SurfaceParams {
         case Tegra::RenderTargetFormat::RG16_UNORM:
         case Tegra::RenderTargetFormat::R16_UNORM:
         case Tegra::RenderTargetFormat::B5G6R5_UNORM:
+        case Tegra::RenderTargetFormat::BGR5A1_UNORM:
         case Tegra::RenderTargetFormat::RG8_UNORM:
         case Tegra::RenderTargetFormat::RGBA16_UNORM:
             return ComponentType::UNorm;