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Renderer colors now have floating point precision

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This commit is contained in:
Sam Lantinga 2024-01-29 13:28:33 -08:00
parent da8fc70a83
commit 554f0625d3
21 changed files with 603 additions and 347 deletions
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31
include/SDL3/SDL_pixels.h
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@ -354,6 +354,24 @@ typedef enum
SDL_PIXELFORMAT_ABGR64_FLOAT =
SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_ARRAYF16, SDL_ARRAYORDER_ABGR, 0,
64, 4),
SDL_PIXELFORMAT_RGB96_FLOAT =
SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_ARRAYF32, SDL_ARRAYORDER_RGB, 0,
96, 3),
SDL_PIXELFORMAT_BGR96_FLOAT =
SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_ARRAYF32, SDL_ARRAYORDER_BGR, 0,
96, 3),
SDL_PIXELFORMAT_RGBA128_FLOAT =
SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_ARRAYF32, SDL_ARRAYORDER_RGBA, 0,
128, 4),
SDL_PIXELFORMAT_ARGB128_FLOAT =
SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_ARRAYF32, SDL_ARRAYORDER_ARGB, 0,
128, 4),
SDL_PIXELFORMAT_BGRA128_FLOAT =
SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_ARRAYF32, SDL_ARRAYORDER_BGRA, 0,
128, 4),
SDL_PIXELFORMAT_ABGR128_FLOAT =
SDL_DEFINE_PIXELFORMAT(SDL_PIXELTYPE_ARRAYF32, SDL_ARRAYORDER_ABGR, 0,
128, 4),
/* Aliases for RGBA byte arrays of color data, for the current platform */
#if SDL_BYTEORDER == SDL_BIG_ENDIAN
@ -602,6 +620,19 @@ typedef struct SDL_Color
} SDL_Color;
#define SDL_Colour SDL_Color
/**
* The bits of this structure can be directly reinterpreted as a float-packed
* color which uses the SDL_PIXELFORMAT_RGBA128_FLOAT format
*/
typedef struct SDL_FColor
{
float r;
float g;
float b;
float a;
} SDL_FColor;
#define SDL_FColour SDL_FColor
typedef struct SDL_Palette
{
int ncolors;