GPU: Added a function to retrieve the bytes per pixel of the render target formats.

2 files changed, 15 insertions, 0 deletions

diff --git a/src/video_core/gpu.cpp b/src/video_core/gpu.cpp
index 351d21711..9eb143918 100644
--- a/src/video_core/gpu.cpp
+++ b/src/video_core/gpu.cpp
@@ -22,4 +22,16 @@ const Tegra::Engines::Maxwell3D& GPU::Get3DEngine() const {
     return *maxwell_3d;
 }
 
+u32 RenderTargetBytesPerPixel(RenderTargetFormat format) {
+    ASSERT(format != RenderTargetFormat::NONE);
+
+    switch (format) {
+    case RenderTargetFormat::RGBA8_UNORM:
+    case RenderTargetFormat::RGB10_A2_UNORM:
+        return 4;
+    default:
+        UNIMPLEMENTED_MSG("Unimplemented render target format %u", static_cast<u32>(format));
+    }
+}
+
 } // namespace Tegra
diff --git a/src/video_core/gpu.h b/src/video_core/gpu.h
index 7afa6aaef..f168a5171 100644
--- a/src/video_core/gpu.h
+++ b/src/video_core/gpu.h
@@ -21,6 +21,9 @@ enum class RenderTargetFormat : u32 {
     RGBA8_SRGB = 0xD6,
 };
 
+/// Returns the number of bytes per pixel of each rendertarget format.
+u32 RenderTargetBytesPerPixel(RenderTargetFormat format);
+
 class DebugContext;
 
 /**