gl_rasterizer_cache: Implement RenderTargetFormat::BGRA8_SRGB.

- Used by Octopath Traveler (with multiple render targets).

src/video_core/gpu.cpp

@@ -66,6 +66,7 @@ u32 RenderTargetBytesPerPixel(RenderTargetFormat format) {
     case RenderTargetFormat::RGBA8_UINT:
     case RenderTargetFormat::RGB10_A2_UNORM:
     case RenderTargetFormat::BGRA8_UNORM:
+    case RenderTargetFormat::BGRA8_SRGB:
     case RenderTargetFormat::RG16_UNORM:
     case RenderTargetFormat::RG16_SNORM:
     case RenderTargetFormat::RG16_UINT:

src/video_core/gpu.h

@@ -26,6 +26,7 @@ enum class RenderTargetFormat : u32 {
     RG32_FLOAT = 0xCB,
     RG32_UINT = 0xCD,
     BGRA8_UNORM = 0xCF,
+    BGRA8_SRGB = 0xD0,
     RGB10_A2_UNORM = 0xD1,
     RGBA8_UNORM = 0xD5,
     RGBA8_SRGB = 0xD6,

src/video_core/renderer_opengl/gl_rasterizer_cache.h

@@ -297,6 +297,7 @@ struct SurfaceParams {
             return PixelFormat::ABGR8S;
         case Tegra::RenderTargetFormat::RGBA8_UINT:
             return PixelFormat::ABGR8UI;
+        case Tegra::RenderTargetFormat::BGRA8_SRGB:
         case Tegra::RenderTargetFormat::BGRA8_UNORM:
             return PixelFormat::BGRA8;
         case Tegra::RenderTargetFormat::RGB10_A2_UNORM:
@@ -569,6 +570,7 @@ struct SurfaceParams {
         case Tegra::RenderTargetFormat::RGBA8_UNORM:
         case Tegra::RenderTargetFormat::RGBA8_SRGB:
         case Tegra::RenderTargetFormat::BGRA8_UNORM:
+        case Tegra::RenderTargetFormat::BGRA8_SRGB:
         case Tegra::RenderTargetFormat::RGB10_A2_UNORM:
         case Tegra::RenderTargetFormat::R8_UNORM:
         case Tegra::RenderTargetFormat::RG16_UNORM: