provide a better method of embedding shaders within the source code

src/io/shader.c

@@ -0,0 +1,38 @@
+// Copyright (c) 2025 Quinn
+// Licensed under the MIT Licence. See LICENSE for details
+#include "shader.h"
+
+#include <stddef.h>
+#include <stdint.h>
+
+#define NAM_S(name) _binary_res_##name##_start // name of a start variable
+#define NAM_E(name) _binary_res_##name##_end   // name of an end variable
+
+// NOTE: we are currently just sucking up the memory costs for ease. We can either include the source files themselves. Or use compression, where I'd prefer the latter for ease of installation.
+// NOLINTBEGIN (bugprone-reserved-identifier)
+extern char const NAM_S(default_vert_glsl)[];
+extern char const NAM_E(default_vert_glsl)[];
+extern char const NAM_S(default_frag_glsl)[];
+extern char const NAM_E(default_frag_glsl)[];
+// NOLINTEND
+
+/* compile a shader */
+static GLuint shader_compile(GLenum type, char const* src, size_t len) {
+	int ilen = len;
+	GLuint shader = glCreateShader(type);
+	glShaderSource(shader, 1, &src, &ilen);
+	glCompileShader(shader);
+	return shader;
+}
+
+#define COMPILE_NAME(_type, _name) shader_compile(_type, NAM_S(_name), NAM_E(_name) - NAM_S(_name))
+int shader_init(GLuint pipe) {
+	GLuint vs = COMPILE_NAME(GL_VERTEX_SHADER, default_vert_glsl);
+	GLuint fs = COMPILE_NAME(GL_FRAGMENT_SHADER, default_frag_glsl);
+
+	glAttachShader(pipe, vs);
+	glAttachShader(pipe, fs);
+	glDeleteShader(vs);
+	glDeleteShader(fs);
+	return 1;
+}