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1 files changed, 74 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/render/gpu/SDL_gpu_util.h b/contrib/SDL-3.2.8/src/render/gpu/SDL_gpu_util.h
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index 0000000..ca32ce0
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+++ b/contrib/SDL-3.2.8/src/render/gpu/SDL_gpu_util.h
@@ -0,0 +1,74 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef SDL_gpu_util_h_
+#define SDL_gpu_util_h_
+
+#define SDL_GPU_BLENDOP_INVALID     ((SDL_GPUBlendOp)0x7fffffff)
+#define SDL_GPU_BLENDFACTOR_INVALID ((SDL_GPUBlendFactor)0x7fffffff)
+
+static SDL_INLINE SDL_GPUBlendFactor GPU_ConvertBlendFactor(SDL_BlendFactor factor)
+{
+    switch (factor) {
+    case SDL_BLENDFACTOR_ZERO:
+        return SDL_GPU_BLENDFACTOR_ZERO;
+    case SDL_BLENDFACTOR_ONE:
+        return SDL_GPU_BLENDFACTOR_ONE;
+    case SDL_BLENDFACTOR_SRC_COLOR:
+        return SDL_GPU_BLENDFACTOR_SRC_COLOR;
+    case SDL_BLENDFACTOR_ONE_MINUS_SRC_COLOR:
+        return SDL_GPU_BLENDFACTOR_ONE_MINUS_SRC_COLOR;
+    case SDL_BLENDFACTOR_SRC_ALPHA:
+        return SDL_GPU_BLENDFACTOR_SRC_ALPHA;
+    case SDL_BLENDFACTOR_ONE_MINUS_SRC_ALPHA:
+        return SDL_GPU_BLENDFACTOR_ONE_MINUS_SRC_ALPHA;
+    case SDL_BLENDFACTOR_DST_COLOR:
+        return SDL_GPU_BLENDFACTOR_DST_COLOR;
+    case SDL_BLENDFACTOR_ONE_MINUS_DST_COLOR:
+        return SDL_GPU_BLENDFACTOR_ONE_MINUS_DST_COLOR;
+    case SDL_BLENDFACTOR_DST_ALPHA:
+        return SDL_GPU_BLENDFACTOR_DST_ALPHA;
+    case SDL_BLENDFACTOR_ONE_MINUS_DST_ALPHA:
+        return SDL_GPU_BLENDFACTOR_ONE_MINUS_DST_ALPHA;
+    default:
+        return SDL_GPU_BLENDFACTOR_INVALID;
+    }
+}
+
+static SDL_INLINE SDL_GPUBlendOp GPU_ConvertBlendOperation(SDL_BlendOperation operation)
+{
+    switch (operation) {
+    case SDL_BLENDOPERATION_ADD:
+        return SDL_GPU_BLENDOP_ADD;
+    case SDL_BLENDOPERATION_SUBTRACT:
+        return SDL_GPU_BLENDOP_SUBTRACT;
+    case SDL_BLENDOPERATION_REV_SUBTRACT:
+        return SDL_GPU_BLENDOP_REVERSE_SUBTRACT;
+    case SDL_BLENDOPERATION_MINIMUM:
+        return SDL_GPU_BLENDOP_MIN;
+    case SDL_BLENDOPERATION_MAXIMUM:
+        return SDL_GPU_BLENDOP_MAX;
+    default:
+        return SDL_GPU_BLENDOP_INVALID;
+    }
+}
+
+#endif // SDL_gpu_util_h