From 5a079a2d114f96d4847d1ee305d5b7c16eeec50e Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Sat, 27 Dec 2025 12:03:39 -0800 Subject: Initial commit --- contrib/SDL-3.2.8/src/render/gpu/SDL_gpu_util.h | 74 +++++++++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 contrib/SDL-3.2.8/src/render/gpu/SDL_gpu_util.h (limited to 'contrib/SDL-3.2.8/src/render/gpu/SDL_gpu_util.h') 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 new file mode 100644 index 0000000..ca32ce0 --- /dev/null +++ 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 + + 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 -- cgit v1.2.3