.gitignore

@@ -1,3 +0,0 @@
-.cache
-compile_commands.json
-main

.gitmodules

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-[submodule "intern/aliases"]
-	path = intern/aliases
-	url = https://git.thewizardapprentice.com/abdelrahman/c-cpp-aliases.git

README.md

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-# SDL Boilerplate
-
-Boilerplate for setting up a simple SDL program that creates a window and a renderer and handles the quit event.

build

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-#!/bin/bash
-
-bear -- ./compile $@

compile

@@ -1,9 +0,0 @@
-#!/bin/bash
-
-CC=clang
-CFLAGS="-g -Wall -Iinclude -Iintern $(pkg-config --cflags sdl2)"
-LIBS="$(pkg-config --libs sdl2)"
-SRC=src/*.c
-OUT=main
-
-(set -x ; $CC $CFLAGS $LIBS $SRC -o $OUT)

include/compositor.h

@@ -1,8 +0,0 @@
-#ifndef COMPOSITOR_H
-#define COMPOSITOR_H
-
-#include "aliases/aliases.h"
-
-i32 run_main_loop(void);
-
-#endif // !COMPOSITOR_H

include/window.h

@@ -1,56 +0,0 @@
-#ifndef WINDOW_H
-#define WINDOW_H
-
-#include "SDL_pixels.h"
-#include "aliases/aliases.h"
-#include <SDL2/SDL_render.h>
-#include <SDL2/SDL_video.h>
-#include <stdbool.h>
-
-typedef struct point point_t;
-typedef struct line line_t;
-typedef struct triangle triangle_t;
-typedef struct window window_t;
-
-struct point {
-  i32 x;
-  i32 y;
-};
-
-struct line {
-  point_t p0;
-  point_t p1;
-};
-
-struct triangle {
-  point_t p0;
-  point_t p1;
-  point_t p2;
-};
-
-struct window {
-  u64 width;
-  u64 height;
-  const char *title;
-  SDL_Window *window;
-  SDL_Renderer *renderer;
-};
-
-typedef struct colour colour_t;
-struct colour {
-  union {
-    u32 abgr;
-    SDL_Color colour;
-  };
-};
-
-bool init_window(window_t *wnd, const char *title, u64 width, u64 height);
-void cleanup_window(window_t *wnd);
-void clear_window(const window_t *wnd, colour_t colour);
-void swap_buffers(const window_t *wnd);
-void draw_point(const window_t *wnd, point_t p, colour_t colour);
-void draw_line(const window_t *wnd, const line_t *ln, colour_t colour);
-void draw_triangle(const window_t *wnd, const triangle_t *triangle,
-                   colour_t colour);
-
-#endif // !WINDOW_H

intern/aliases

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-Subproject commit f95f3aa499910286876c1f2cdceea8146ebcf7b1

main.c

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+#include <SDL2/SDL.h>
+#include <SDL2/SDL_events.h>
+#include <SDL2/SDL_render.h>
+#include <SDL2/SDL_video.h>
+#include <stdbool.h>
+
+#define WINDOW_WIDTH 800
+#define WINDOW_HEIGHT 600
+
+int main(void) {
+  SDL_Init(SDL_INIT_EVERYTHING);
+
+  SDL_Window *window =
+      SDL_CreateWindow("Window", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
+                       WINDOW_WIDTH, WINDOW_HEIGHT, SDL_WINDOW_SHOWN);
+
+  SDL_Renderer *renderer = SDL_CreateRenderer(
+      window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
+
+  bool running = true;
+
+  SDL_Event event = {};
+
+  while (running) {
+    while (SDL_PollEvent(&event)) {
+      switch (event.type) {
+      case SDL_QUIT:
+        running = false;
+        break;
+      }
+    }
+
+    SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
+
+    SDL_RenderClear(renderer);
+
+    SDL_RenderPresent(renderer);
+  }
+
+  SDL_DestroyRenderer(renderer);
+
+  SDL_DestroyWindow(window);
+
+  SDL_Quit();
+
+  return 0;
+}

src/compositor.c

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-#include "aliases/aliases.h"
-#include "window.h"
-#include <SDL2/SDL.h>
-#include <SDL2/SDL_events.h>
-#include <SDL2/SDL_render.h>
-#include <SDL2/SDL_video.h>
-#include <stdbool.h>
-#include <stdlib.h>
-
-#define MAX_WINDOWS 2
-
-#define WINDOW_WIDTH 800
-#define WINDOW_HEIGHT 600
-
-typedef struct compositor compositor_t;
-struct compositor {
-  window_t windows[MAX_WINDOWS];
-  bool running;
-  SDL_Event event;
-};
-
-i32 run_main_loop(void) {
-  if (SDL_Init(SDL_INIT_EVERYTHING) != 0) {
-    return EXIT_FAILURE;
-  }
-
-  compositor_t comp = {0};
-
-  window_t *main_window = &(comp.windows[0]);
-
-  if (!init_window(main_window, "Compositor", WINDOW_WIDTH, WINDOW_HEIGHT)) {
-    SDL_Quit();
-
-    return EXIT_FAILURE;
-  }
-
-  comp.running = true;
-
-  colour_t bg_colour = {.abgr = 0xffffffff};
-  colour_t fg_colour = {.abgr = 0xff000000};
-
-  while (comp.running) {
-    while (SDL_PollEvent(&(comp.event))) {
-      switch (comp.event.type) {
-      case SDL_QUIT:
-        comp.running = false;
-        break;
-      }
-    }
-
-    clear_window(main_window, bg_colour);
-
-    swap_buffers(main_window);
-  }
-
-  SDL_Quit();
-
-  return EXIT_SUCCESS;
-}

src/main.c

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-#include "aliases/aliases.h"
-#include "compositor.h"
-
-i32 main(void) { return run_main_loop(); }

src/window.c

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-#include "window.h"
-#include "SDL_render.h"
-#include "SDL_video.h"
-#include "aliases/aliases.h"
-#include <stdbool.h>
-
-bool init_window(window_t *wnd, const char *title, u64 width, u64 height) {
-  wnd->window =
-      SDL_CreateWindow(title, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
-                       width, height, SDL_WINDOW_SHOWN);
-  if (!(wnd->window)) {
-    return false;
-  }
-
-  wnd->renderer = SDL_CreateRenderer(
-      wnd->window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
-  if (!(wnd->renderer)) {
-    cleanup_window(wnd);
-    return false;
-  }
-
-  wnd->title = title;
-  wnd->width = width;
-  wnd->height = height;
-
-  return true;
-}
-
-void cleanup_window(window_t *wnd) {
-  if (wnd->renderer) {
-    SDL_DestroyRenderer(wnd->renderer);
-    wnd->renderer = NULL;
-  }
-
-  if (wnd->window) {
-    SDL_DestroyWindow(wnd->window);
-    wnd->window = NULL;
-  }
-
-  wnd->width = wnd->height = 0;
-}
-
-void set_colour(const window_t *wnd, colour_t colour) {
-  SDL_SetRenderDrawColor(wnd->renderer, colour.colour.r, colour.colour.g,
-                         colour.colour.b, colour.colour.a);
-}
-
-void clear_window(const window_t *wnd, colour_t colour) {
-  set_colour(wnd, colour);
-  SDL_RenderClear(wnd->renderer);
-}
-
-void swap_buffers(const window_t *wnd) { SDL_RenderPresent(wnd->renderer); }
-
-void draw_point(const window_t *wnd, point_t p, colour_t colour) {
-  set_colour(wnd, colour);
-  SDL_RenderDrawPoint(wnd->renderer, p.x, p.y);
-}
-
-void draw_line(const window_t *wnd, const line_t *ln, colour_t colour) {
-  set_colour(wnd, colour);
-  SDL_RenderDrawLine(wnd->renderer, ln->p0.x, ln->p0.y, ln->p1.x, ln->p1.y);
-}
-
-void draw_triangle(const window_t *wnd, const triangle_t *triangle,
-                   colour_t colour) {
-  line_t ln0 = {triangle->p0, triangle->p1};
-  line_t ln1 = {triangle->p0, triangle->p2};
-  line_t ln2 = {triangle->p1, triangle->p2};
-
-  draw_line(wnd, &ln0, colour);
-  draw_line(wnd, &ln1, colour);
-  draw_line(wnd, &ln2, colour);
-}