universe@0: /*
universe@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
universe@0:  * Copyright 2023 Mike Becker. All rights reserved.
universe@0:  *
universe@0:  * Redistribution and use in source and binary forms, with or without
universe@0:  * modification, are permitted provided that the following conditions are met:
universe@0:  *
universe@0:  *   1. Redistributions of source code must retain the above copyright
universe@0:  *      notice, this list of conditions and the following disclaimer.
universe@0:  *
universe@0:  *   2. Redistributions in binary form must reproduce the above copyright
universe@0:  *      notice, this list of conditions and the following disclaimer in the
universe@0:  *      documentation and/or other materials provided with the distribution.
universe@0:  *
universe@0:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
universe@0:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
universe@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
universe@0:  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
universe@0:  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
universe@0:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
universe@0:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
universe@0:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
universe@0:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
universe@0:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
universe@0:  * POSSIBILITY OF SUCH DAMAGE.
universe@0:  */
universe@0: 
universe@7: #include "ascension/context.h"
universe@7: #include "ascension/error.h"
universe@7: #include "ascension/utils.h"
universe@0: 
universe@7: #include <cx/buffer.h>
universe@16: #include <GL/gl.h>
universe@0: 
universe@0: void asc_error_cchar(char const* text) {
universe@0:     asc_error_cxstr(cx_str(text));
universe@0: }
universe@0: 
universe@0: void asc_error_cuchar(unsigned char const* text) {
universe@0:     asc_error_cxstr(cx_str((char const*)text));
universe@0: }
universe@0: 
universe@0: void asc_error_cxstr(cxstring text) {
universe@0:     if (text.length == 0) return;
universe@0: 
universe@0:     // write error to debug output
universe@15:     asc_dprintf("ERROR: %.*s", (int)text.length, text.ptr);
universe@0: 
universe@0:     // write error to buffer
universe@0:     CxBuffer* buf = &asc_context.error_buffer;
universe@0:     cxBufferWrite(text.ptr, 1, text.length, buf);
universe@0:     cxBufferPut(buf, '\n');
universe@0: 
universe@58:     asc_set_flag(asc_context.flags, ASC_FLAG_HAS_ERROR);
universe@0: }
universe@0: 
universe@0: bool asc_has_error(void) {
universe@0:     return asc_test_flag(asc_context.flags, ASC_FLAG_HAS_ERROR);
universe@0: }
universe@0: 
universe@0: char const* asc_get_error(void) {
universe@0:     // we zero-terminate the current buffer contents before providing them
universe@0:     cxBufferPut(&asc_context.error_buffer, 0);
universe@0:     --asc_context.error_buffer.pos;
universe@0:     --asc_context.error_buffer.size;
universe@0:     return asc_context.error_buffer.space;
universe@0: }
universe@0: 
universe@0: void asc_clear_error(void) {
universe@0:     cxBufferClear(&asc_context.error_buffer);
universe@58:     asc_clear_flag(asc_context.flags, ASC_FLAG_HAS_ERROR);
universe@0: }
universe@16: 
universe@16: void asc_error_gl(unsigned code, cxstring message) {
universe@16:     const char *glerr;
universe@16:     switch(code) {
universe@16:         case GL_NO_ERROR:
universe@16:             return;
universe@16:         case GL_INVALID_ENUM:
universe@16:             glerr = "invalid enum";
universe@16:             break;
universe@16:         case GL_INVALID_VALUE:
universe@16:             glerr = "invalid value";
universe@16:             break;
universe@16:         case GL_INVALID_OPERATION:
universe@16:             glerr = "invalid operation";
universe@16:             break;
universe@16:         case GL_INVALID_FRAMEBUFFER_OPERATION:
universe@16:             glerr = "invalid framebuffer operation";
universe@16:             break;
universe@16:         case GL_OUT_OF_MEMORY:
universe@16:             glerr = "out of memory";
universe@16:             break;
universe@16:         case GL_STACK_UNDERFLOW:
universe@16:             glerr = "stack underflow";
universe@16:             break;
universe@16:         case GL_STACK_OVERFLOW:
universe@16:             glerr = "stack overflow";
universe@16:             break;
universe@16:         default:
universe@16:             glerr = "unknown GL error";
universe@16:     }
universe@16:     cxmutstr msg = cx_strcat(3, message, CX_STR(" GL Error: "), cx_str(glerr));
universe@16:     asc_error_cxstr(cx_strcast(msg));
universe@16:     cx_strfree(&msg);
universe@16: }