mirror of
https://github.com/ondra-novak/gates_of_skeldal.git
synced 2025-07-04 21:50:38 -04:00
182 lines
4.6 KiB
C++
182 lines
4.6 KiB
C++
#pragma once
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#include <SDL_pixels.h>
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template<Uint32 format>
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struct FormatMapping;
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template<>
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struct FormatMapping<SDL_PIXELFORMAT_ARGB2101010> {
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static constexpr int RShift = 20;
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static constexpr int GShift = 10;
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static constexpr int BShift = 0;
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static constexpr int AShift = 30;
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static constexpr int RBits = 10;
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static constexpr int GBits = 10;
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static constexpr int BBits = 10;
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static constexpr int ABits = 2;
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};
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template<>
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struct FormatMapping<SDL_PIXELFORMAT_ABGR8888> {
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static constexpr int RShift = 0;
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static constexpr int GShift = 8;
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static constexpr int BShift = 16;
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static constexpr int AShift = 24;
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static constexpr int RBits = 8;
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static constexpr int GBits = 8;
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static constexpr int BBits = 8;
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static constexpr int ABits = 8;
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};
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template<>
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struct FormatMapping<SDL_PIXELFORMAT_ARGB8888> {
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static constexpr int RShift = 16;
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static constexpr int GShift = 8;
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static constexpr int BShift = 0;
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static constexpr int AShift = 24;
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static constexpr int RBits = 8;
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static constexpr int GBits = 8;
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static constexpr int BBits = 8;
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static constexpr int ABits = 8;
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};
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template<>
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struct FormatMapping<SDL_PIXELFORMAT_RGBA8888> {
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static constexpr int RShift = 24;
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static constexpr int GShift = 16;
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static constexpr int BShift = 8;
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static constexpr int AShift = 0;
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static constexpr int RBits = 8;
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static constexpr int GBits = 8;
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static constexpr int BBits = 8;
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static constexpr int ABits = 8;
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};
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template<>
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struct FormatMapping<SDL_PIXELFORMAT_BGRA8888> {
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static constexpr int RShift = 8;
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static constexpr int GShift = 16;
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static constexpr int BShift = 24;
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static constexpr int AShift = 0;
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static constexpr int RBits = 8;
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static constexpr int GBits = 8;
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static constexpr int BBits = 8;
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static constexpr int ABits = 8;
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};
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template<>
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struct FormatMapping<SDL_PIXELFORMAT_ABGR4444> {
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static constexpr int RShift = 0;
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static constexpr int GShift = 4;
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static constexpr int BShift = 8;
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static constexpr int AShift = 12;
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static constexpr int RBits = 4;
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static constexpr int GBits = 4;
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static constexpr int BBits = 4;
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static constexpr int ABits = 4;
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};
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template<>
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struct FormatMapping<SDL_PIXELFORMAT_ARGB4444> {
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static constexpr int RShift = 8;
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static constexpr int GShift = 4;
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static constexpr int BShift = 0;
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static constexpr int AShift = 12;
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static constexpr int RBits = 4;
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static constexpr int GBits = 4;
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static constexpr int BBits = 4;
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static constexpr int ABits = 4;
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};
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template<>
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struct FormatMapping<SDL_PIXELFORMAT_RGBA4444> {
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static constexpr int RShift = 12;
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static constexpr int GShift = 8;
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static constexpr int BShift = 4;
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static constexpr int AShift = 0;
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static constexpr int RBits = 4;
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static constexpr int GBits = 4;
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static constexpr int BBits = 4;
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static constexpr int ABits = 4;
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};
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template<>
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struct FormatMapping<SDL_PIXELFORMAT_BGRA4444> {
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static constexpr int RShift = 4;
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static constexpr int GShift = 8;
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static constexpr int BShift = 12;
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static constexpr int AShift = 0;
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static constexpr int RBits = 4;
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static constexpr int GBits = 4;
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static constexpr int BBits = 4;
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static constexpr int ABits = 4;
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};
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template<>
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struct FormatMapping<SDL_PIXELFORMAT_ABGR1555> {
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static constexpr int RShift = 0;
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static constexpr int GShift = 5;
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static constexpr int BShift = 10;
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static constexpr int AShift = 15;
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static constexpr int RBits = 5;
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static constexpr int GBits = 5;
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static constexpr int BBits = 5;
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static constexpr int ABits = 1;
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};
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template<>
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struct FormatMapping<SDL_PIXELFORMAT_ARGB1555> {
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static constexpr int RShift = 10;
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static constexpr int GShift = 5;
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static constexpr int BShift = 0;
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static constexpr int AShift = 15;
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static constexpr int RBits = 8;
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static constexpr int GBits = 8;
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static constexpr int BBits = 8;
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static constexpr int ABits = 1;
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};
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template<>
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struct FormatMapping<SDL_PIXELFORMAT_RGBA5551> {
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static constexpr int RShift = 11;
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static constexpr int GShift = 6;
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static constexpr int BShift = 1;
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static constexpr int AShift = 0;
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static constexpr int RBits = 5;
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static constexpr int GBits = 5;
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static constexpr int BBits = 5;
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static constexpr int ABits = 1;
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};
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template<>
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struct FormatMapping<SDL_PIXELFORMAT_BGRA5551> {
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static constexpr int RShift = 1;
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static constexpr int GShift = 6;
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static constexpr int BShift = 11;
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static constexpr int AShift = 0;
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static constexpr int RBits = 5;
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static constexpr int GBits = 5;
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static constexpr int BBits = 5;
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static constexpr int ABits = 1;
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};
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