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/video/SDL_pixels_c.h | 57 ++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 contrib/SDL-3.2.8/src/video/SDL_pixels_c.h (limited to 'contrib/SDL-3.2.8/src/video/SDL_pixels_c.h') diff --git a/contrib/SDL-3.2.8/src/video/SDL_pixels_c.h b/contrib/SDL-3.2.8/src/video/SDL_pixels_c.h new file mode 100644 index 0000000..92c3401 --- /dev/null +++ b/contrib/SDL-3.2.8/src/video/SDL_pixels_c.h @@ -0,0 +1,57 @@ +/* + 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. +*/ +#include "SDL_internal.h" + +#ifndef SDL_pixels_c_h_ +#define SDL_pixels_c_h_ + +// Useful functions and variables from SDL_pixel.c + +#include "SDL_blit.h" + + +// Pixel format functions +extern bool SDL_CalculateSurfaceSize(SDL_PixelFormat format, int width, int height, size_t *size, size_t *pitch, bool minimalPitch); +extern SDL_Colorspace SDL_GetDefaultColorspaceForFormat(SDL_PixelFormat pixel_format); +extern void SDL_QuitPixelFormatDetails(void); + +// Colorspace conversion functions +extern float SDL_sRGBtoLinear(float v); +extern float SDL_sRGBfromLinear(float v); +extern float SDL_PQtoNits(float v); +extern float SDL_PQfromNits(float v); +extern const float *SDL_GetYCbCRtoRGBConversionMatrix(SDL_Colorspace colorspace, int w, int h, int bits_per_pixel); +extern const float *SDL_GetColorPrimariesConversionMatrix(SDL_ColorPrimaries src, SDL_ColorPrimaries dst); +extern void SDL_ConvertColorPrimaries(float *fR, float *fG, float *fB, const float *matrix); + +// Blit mapping functions +extern bool SDL_ValidateMap(SDL_Surface *src, SDL_Surface *dst); +extern void SDL_InvalidateMap(SDL_BlitMap *map); +extern bool SDL_MapSurface(SDL_Surface *src, SDL_Surface *dst); + +// Miscellaneous functions +extern void SDL_DitherPalette(SDL_Palette *palette); +extern Uint8 SDL_FindColor(const SDL_Palette *pal, Uint8 r, Uint8 g, Uint8 b, Uint8 a); +extern Uint8 SDL_LookupRGBAColor(SDL_HashTable *palette_map, Uint32 pixel, const SDL_Palette *pal); +extern void SDL_DetectPalette(const SDL_Palette *pal, bool *is_opaque, bool *has_alpha_channel); +extern SDL_Surface *SDL_DuplicatePixels(int width, int height, SDL_PixelFormat format, SDL_Colorspace colorspace, void *pixels, int pitch); + +#endif // SDL_pixels_c_h_ -- cgit v1.2.3