refactor the lot a bit, for clairity.

This commit is contained in:
2025-09-15 15:08:15 +02:00
parent 057b234251
commit 28b98705f5
3 changed files with 17 additions and 21 deletions

View File

@@ -17,7 +17,8 @@ extern const uint sh_vert_glsl_len;
extern const uint sh_frag_glsl_len;
extern const uint sh_geom_glsl_len;
/* compile a shader */
/* Compiles a shader of `type` from `src` with `len` bytes.
* Returns the integer for the shader. */
static GLuint shader_compile(GLenum type, const char *src, size_t len) {
int ilen = len;
GLuint shader = glCreateShader(type);
@@ -45,6 +46,7 @@ int shader_init(GLuint pipe) {
glAttachShader(pipe, fs);
glAttachShader(pipe, gs);
// mark shaders off for deletion
glDeleteShader(vs);
glDeleteShader(fs);
glDeleteShader(gs);

View File

@@ -3,8 +3,8 @@
#pragma once
#include <glad/gl.h>
#include <stddef.h>
#include <stdint.h>
/* Initialises the (embedded) shaders onto `pipe` */
int shader_init(GLuint pipe);

View File

@@ -2,48 +2,42 @@
* Licensed under the MIT Licence. See LICENSE for details */
#include "window.h"
#include <glad/gl.h>
#include <GLFW/glfw3.h>
#include <assert.h>
#include <glad/gl.h>
#include "../error.h"
#include "../util/intdef.h"
#include "input.h"
#include "render.h"
// macros for ease of access
#define WIN_NAME "MCA Selector Lite"
#define WIN_DEFAULT_WIDTH 640
#define WIN_DEFAULT_HEIGHT 480
static GLFWwindow *win = NULL;
static struct GLFWwindow *win = NULL;
/* Initialises the GLFW window with some defaults,
* then proceed to activate OpenGL on it. */
int window_init(void) {
// initialise the window
#ifndef NDEBUG
glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GLFW_TRUE);
#endif
// initialize the window
glfwWindowHint(GLFW_RESIZABLE, GLFW_TRUE);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE); // sets the profile to "core", so old, deprecated functions are disabled.
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GLFW_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, 1);
glfwWindowHint(GLFW_RED_BITS, 8);
glfwWindowHint(GLFW_GREEN_BITS, 8);
glfwWindowHint(GLFW_BLUE_BITS, 8);
glfwWindowHint(GLFW_ALPHA_BITS, 0);
win = glfwCreateWindow(WIN_DEFAULT_WIDTH, WIN_DEFAULT_HEIGHT, WIN_NAME, NULL, NULL);
win = glfwCreateWindow(640, 480, "MCA-Selector lite", NULL, NULL);
if (!win) return 1;
// setup OpenGL for the window
glfwMakeContextCurrent(win);
if (!gladLoadGL(glfwGetProcAddress)) return 1;
glfwSwapInterval(1); // wait 1 screen update for a redraw a.k.a. "vsync". (not really applicable in this case but eh)
glfwSetKeyCallback(win, input_callback);
// print the OpenGL version information
debug(
"version info:\n"
"\tvendor: %s\n"
@@ -54,20 +48,20 @@ int window_init(void) {
glGetString(GL_RENDERER),
glGetString(GL_VERSION),
glGetString(GL_SHADING_LANGUAGE_VERSION));
return 0;
}
void window_loop(void) {
assert(win != NULL);
assert(win);
render_init();
while (!glfwWindowShouldClose(win)) {
glfwWaitEvents(); // wait till an update has been given
glfwWaitEvents();
render_update(win);
glfwSwapBuffers(win);
glfwPollEvents();
}
}
void window_close(void) {
assert(win);