| 1 | /* Copyright (c) 2001, Stanford University
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| 2 | * All rights reserved
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| 3 | *
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| 4 | * See the file LICENSE.txt for information on redistributing this software.
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| 5 | */
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| 6 |
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| 7 | #include "state/cr_stateerror.h"
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| 8 | #include "state/cr_statetypes.h"
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| 9 | #include "state.h"
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| 10 | #include "cr_error.h"
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| 11 | #include "cr_environment.h"
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| 12 | #include <stdarg.h>
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| 13 | #include <stdio.h>
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| 14 |
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| 15 | void crStateError( int line, const char *file, GLenum error, const char *format, ... )
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| 16 | {
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| 17 | CRContext *g = GetCurrentContext();
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| 18 | char errstr[8096];
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| 19 | va_list args;
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| 20 |
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| 21 | g->error = error;
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| 22 |
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| 23 | if (crGetenv("CR_DEBUG"))
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| 24 | {
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| 25 | char *glerr;
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| 26 | va_start( args, format );
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| 27 | vsprintf( errstr, format, args );
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| 28 | va_end( args );
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| 29 |
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| 30 | switch (error) {
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| 31 | case GL_NO_ERROR:
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| 32 | glerr = "GL_NO_ERROR";
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| 33 | break;
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| 34 | case GL_INVALID_VALUE:
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| 35 | glerr = "GL_INVALID_VALUE";
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| 36 | break;
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| 37 | case GL_INVALID_ENUM:
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| 38 | glerr = "GL_INVALID_ENUM";
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| 39 | break;
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| 40 | case GL_INVALID_OPERATION:
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| 41 | glerr = "GL_INVALID_OPERATION";
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| 42 | break;
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| 43 | case GL_STACK_OVERFLOW:
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| 44 | glerr = "GL_STACK_OVERFLOW";
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| 45 | break;
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| 46 | case GL_STACK_UNDERFLOW:
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| 47 | glerr = "GL_STACK_UNDERFLOW";
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| 48 | break;
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| 49 | case GL_OUT_OF_MEMORY:
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| 50 | glerr = "GL_OUT_OF_MEMORY";
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| 51 | break;
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| 52 | case GL_TABLE_TOO_LARGE:
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| 53 | glerr = "GL_TABLE_TOO_LARGE";
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| 54 | break;
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| 55 | default:
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| 56 | glerr = "unknown";
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| 57 | break;
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| 58 | }
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| 59 |
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| 60 | crWarning( "OpenGL error in %s, line %d: %s: %s\n",
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| 61 | file, line, glerr, errstr );
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| 62 | }
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| 63 | }
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| 64 |
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| 65 |
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| 66 | GLenum STATE_APIENTRY crStateGetError(void)
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| 67 | {
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| 68 | CRContext *g = GetCurrentContext();
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| 69 | GLenum e = g->error;
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| 70 |
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| 71 | if (g->current.inBeginEnd)
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| 72 | {
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| 73 | crStateError( __LINE__, __FILE__, GL_INVALID_OPERATION,
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| 74 | "glStateGetError() called between glBegin/glEnd" );
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| 75 | return 0;
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| 76 | }
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| 77 |
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| 78 | g->error = GL_NO_ERROR;
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| 79 |
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| 80 | return e;
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| 81 | }
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