src/shader_codes.h

/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * Copyright 2025 Mike Becker. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifdef ASC_SHADER_CODES_LOADED
#error "Shader codes are supposed to be included once!"
#endif
#define ASC_SHADER_CODES_LOADED

#include "ascension/shader.h"

#define asc_embed(name, file) \
    __asm__(".section .rodata\n" \
            ".global " #name "\n" \
            #name ":\n" \
            ".incbin \"" file "\"\n" \
            ".byte 0\n" \
    ); \
    extern const char name[]

#ifdef __has_embed
const char asc_shader_code_sprite_vtx[] = {
#embed "../shader/sprite_vtx.glsl" suffix(, 0)
};
const char asc_shader_code_sprite_frag[] = {
#embed "../shader/sprite_frag.glsl" suffix(, 0)
};
#else
#warning "C23 support for #embed is missing - falling back to inline assembler"
asc_embed(asc_shader_code_sprite_vtx, "../shader/sprite_vtx.glsl");
asc_embed(asc_shader_code_sprite_frag, "../shader/sprite_frag.glsl");
#endif

static AscShaderCodes asc_shader_codes_sprite = {
    asc_shader_code_sprite_vtx,
    asc_shader_code_sprite_frag
};