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xormod
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macos and clang changes

main
Henri Vasserman 2021-04-10 23:21:09 +03:00
parent af5522ca01
commit 1daf59732f
3 changed files with 12 additions and 14 deletions
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2
font.c
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@ -1,6 +1,6 @@
#include "EGA8x8.h" #include "EGA8x8.h"
#include <SDL2/SDL.h> #include <SDL.h>
SDL_Texture *load_font(SDL_Renderer *renderer) { SDL_Texture *load_font(SDL_Renderer *renderer) {
SDL_Surface *s = SDL_LoadBMP_RW(SDL_RWFromConstMem(font_data, font_data_len), 1); SDL_Surface *s = SDL_LoadBMP_RW(SDL_RWFromConstMem(font_data, font_data_len), 1);

2
font.h
View File

@ -1,6 +1,6 @@
#pragma once #pragma once
#include <SDL2/SDL.h> #include <SDL.h>
#define RC(r, c) (c)*font_w, (r)*font_h #define RC(r, c) (c)*font_w, (r)*font_h

22
xormod.c
View File

@ -2,7 +2,7 @@
#include "EGA8x8.h" #include "EGA8x8.h"
#include <stdio.h> #include <stdio.h>
#include <SDL2/SDL.h> #include <SDL.h>
#define SWAP(a, b) ({ \ #define SWAP(a, b) ({ \
__typeof(a) tmp = (a); \ __typeof(a) tmp = (a); \
@ -46,21 +46,19 @@ static Picture *Picture_new(SDL_Renderer *rend,
return p; return p;
} }
typedef uint32_t uint32_4 __attribute__ ((vector_size (4 * sizeof(uint32_t)))); typedef uint32_t uint32_8 __attribute__ ((vector_size (8 * sizeof(uint32_t))));
static void Picture_render(Picture *p, SDL_Renderer *rend) { static void Picture_render(Picture *p, SDL_Renderer *rend) {
uint32_8 c = p->color - (uint32_8){};
for (int j = p->y1, r = 0; j < p->y2; j++) { uint32_8 y = 0 - (uint32_8){};
uint32_4 y = {j, j, j, j}; for (int j = p->y1, r = 0; j < p->y2; j++, y+=1) {
for (int i = p->x1; i < p->x2; i+=4, r+=4) { uint32_8 x = {0, 1, 2, 3, 4, 5, 6, 7};
uint32_4 x = {i, i + 1, i + 2, i + 3}; for (int i = p->x1; i < p->x2; i+=8, r+=8, x+=8) {
uint32_4 z = (x ^ y) % 9; uint32_8 z = (x ^ y) % 9;
uint32_4 f = (z==0) & p->color; uint32_8 f = (z==0) & c;
memcpy(&p->pixels[r], (uint32_t*)&f, sizeof(f)); memcpy(&p->pixels[r], (uint32_t*)&f, sizeof(f));
} }
} }
if (p->texture) SDL_DestroyTexture(p->texture); if (p->texture) SDL_DestroyTexture(p->texture);
p->texture = SDL_CreateTextureFromSurface(rend, p->surface); p->texture = SDL_CreateTextureFromSurface(rend, p->surface);
SDL_SetTextureBlendMode(p->texture, SDL_BLENDMODE_NONE); SDL_SetTextureBlendMode(p->texture, SDL_BLENDMODE_NONE);
@ -77,7 +75,7 @@ struct int2 { int x; int y; };
int main() { int main() {
unsigned w = 1280, h = 720; int w = 1280, h = 720;
if (SDL_Init(SDL_INIT_VIDEO) != 0) { if (SDL_Init(SDL_INIT_VIDEO) != 0) {
fprintf(stderr, "Can't init: %s\n", SDL_GetError()); fprintf(stderr, "Can't init: %s\n", SDL_GetError());