mirror of https://github.com/bsnes-emu/bsnes.git
56 lines
1.3 KiB
C++
Executable File
56 lines
1.3 KiB
C++
Executable File
#include <nall/platform.hpp>
|
|
#include <nall/stdint.hpp>
|
|
using namespace nall;
|
|
|
|
extern "C" {
|
|
void filter_size(unsigned&, unsigned&);
|
|
void filter_render(uint32_t*, uint32_t*, unsigned, const uint16_t*, unsigned, unsigned, unsigned);
|
|
};
|
|
|
|
uint16_t adjust[32768];
|
|
|
|
void initialize() {
|
|
static bool initialized = false;
|
|
if(initialized == true) return;
|
|
initialized = true;
|
|
|
|
for(unsigned i = 0; i < 32768; i++) {
|
|
uint8_t r = (i >> 10) & 31;
|
|
uint8_t g = (i >> 5) & 31;
|
|
uint8_t b = (i >> 0) & 31;
|
|
r *= 0.666;
|
|
g *= 0.666;
|
|
b *= 0.666;
|
|
adjust[i] = (r << 10) + (g << 5) + (b << 0);
|
|
}
|
|
}
|
|
|
|
dllexport void filter_size(unsigned &width, unsigned &height) {
|
|
initialize();
|
|
height *= 2;
|
|
}
|
|
|
|
dllexport void filter_render(
|
|
uint32_t *palette, uint32_t *output, unsigned outpitch,
|
|
const uint16_t *input, unsigned pitch, unsigned width, unsigned height
|
|
) {
|
|
initialize();
|
|
pitch >>= 1;
|
|
outpitch >>= 2;
|
|
|
|
uint32_t *out0 = output;
|
|
uint32_t *out1 = output + outpitch;
|
|
|
|
for(unsigned y = 0; y < height; y++) {
|
|
const uint16_t *in = input + y * pitch;
|
|
uint32_t *out0 = output + y * outpitch * 2;
|
|
uint32_t *out1 = output + y * outpitch * 2 + outpitch;
|
|
|
|
for(unsigned x = 0; x < width; x++) {
|
|
uint16_t color = *in++;
|
|
*out0++ = palette[color];
|
|
*out1++ = palette[adjust[color]];
|
|
}
|
|
}
|
|
}
|