return strtod(s, end);
}
+/** Compute simple checksum/hash for a string */
+unsigned int
+_mesa_str_checksum(const char *str)
+{
+ /* This could probably be much better */
+ unsigned int sum, i;
+ const char *c;
+ sum = i = 1;
+ for (c = str; *c; c++)
+ sum += *c * (i % 100);
+ return sum;
+}
+
+
/*@}*/
fprintf(stderr, "%s: %s", prefixString, outputString);
if (newline)
fprintf(stderr, "\n");
+
+#if defined(_WIN32) && !defined(_WIN32_WCE)
+ /* stderr from windows applications without console is not usually
+ * visible, so communicate with the debugger instead */
+ {
+ char buf[4096];
+ _mesa_snprintf(buf, sizeof(buf), "%s: %s%s", prefixString, outputString, newline ? "\n" : "");
+ OutputDebugStringA(buf);
+ }
+#endif
+ }
+}
+
+
+/**
+ * Return string version of GL error code.
+ */
+static const char *
+error_string( GLenum error )
+{
+ switch (error) {
+ case GL_NO_ERROR:
+ return "GL_NO_ERROR";
+ case GL_INVALID_VALUE:
+ return "GL_INVALID_VALUE";
+ case GL_INVALID_ENUM:
+ return "GL_INVALID_ENUM";
+ case GL_INVALID_OPERATION:
+ return "GL_INVALID_OPERATION";
+ case GL_STACK_OVERFLOW:
+ return "GL_STACK_OVERFLOW";
+ case GL_STACK_UNDERFLOW:
+ return "GL_STACK_UNDERFLOW";
+ case GL_OUT_OF_MEMORY:
+ return "GL_OUT_OF_MEMORY";
+ case GL_TABLE_TOO_LARGE:
+ return "GL_TABLE_TOO_LARGE";
+ case GL_INVALID_FRAMEBUFFER_OPERATION_EXT:
+ return "GL_INVALID_FRAMEBUFFER_OPERATION";
+ default:
+ return "unknown";
+ }
+}
+
+
+/**
+ * When a new type of error is recorded, print a message describing
+ * previous errors which were accumulated.
+ */
+static void
+flush_delayed_errors( GLcontext *ctx )
+{
+ char s[MAXSTRING];
+
+ if (ctx->ErrorDebugCount) {
+ _mesa_snprintf(s, MAXSTRING, "%d similar %s errors",
+ ctx->ErrorDebugCount,
+ error_string(ctx->ErrorValue));
+
+ output_if_debug("Mesa", s, GL_TRUE);
+
+ ctx->ErrorDebugCount = 0;
}
}
{
char str[MAXSTRING];
va_list args;
- (void) ctx;
va_start( args, fmtString );
(void) vsnprintf( str, MAXSTRING, fmtString, args );
va_end( args );
+
+ if (ctx)
+ flush_delayed_errors( ctx );
output_if_debug("Mesa warning", str, GL_TRUE);
}
void
_mesa_error( GLcontext *ctx, GLenum error, const char *fmtString, ... )
{
- const char *debugEnv;
- GLboolean debug;
+ static GLint debug = -1;
- debugEnv = _mesa_getenv("MESA_DEBUG");
+ /* Check debug environment variable only once:
+ */
+ if (debug == -1) {
+ const char *debugEnv = _mesa_getenv("MESA_DEBUG");
#ifdef DEBUG
- if (debugEnv && _mesa_strstr(debugEnv, "silent"))
- debug = GL_FALSE;
- else
- debug = GL_TRUE;
+ if (debugEnv && _mesa_strstr(debugEnv, "silent"))
+ debug = GL_FALSE;
+ else
+ debug = GL_TRUE;
#else
- if (debugEnv)
- debug = GL_TRUE;
- else
- debug = GL_FALSE;
+ if (debugEnv)
+ debug = GL_TRUE;
+ else
+ debug = GL_FALSE;
#endif
+ }
- if (debug) {
- va_list args;
- char where[MAXSTRING];
- const char *errstr;
-
- va_start( args, fmtString );
- vsnprintf( where, MAXSTRING, fmtString, args );
- va_end( args );
-
- switch (error) {
- case GL_NO_ERROR:
- errstr = "GL_NO_ERROR";
- break;
- case GL_INVALID_VALUE:
- errstr = "GL_INVALID_VALUE";
- break;
- case GL_INVALID_ENUM:
- errstr = "GL_INVALID_ENUM";
- break;
- case GL_INVALID_OPERATION:
- errstr = "GL_INVALID_OPERATION";
- break;
- case GL_STACK_OVERFLOW:
- errstr = "GL_STACK_OVERFLOW";
- break;
- case GL_STACK_UNDERFLOW:
- errstr = "GL_STACK_UNDERFLOW";
- break;
- case GL_OUT_OF_MEMORY:
- errstr = "GL_OUT_OF_MEMORY";
- break;
- case GL_TABLE_TOO_LARGE:
- errstr = "GL_TABLE_TOO_LARGE";
- break;
- case GL_INVALID_FRAMEBUFFER_OPERATION_EXT:
- errstr = "GL_INVALID_FRAMEBUFFER_OPERATION";
- break;
- default:
- errstr = "unknown";
- break;
+ if (debug) {
+ if (ctx->ErrorValue == error &&
+ ctx->ErrorDebugFmtString == fmtString) {
+ ctx->ErrorDebugCount++;
}
-
- {
+ else {
char s[MAXSTRING], s2[MAXSTRING];
va_list args;
+
+ flush_delayed_errors( ctx );
+
va_start(args, fmtString);
vsnprintf(s, MAXSTRING, fmtString, args);
va_end(args);
- _mesa_snprintf(s2, MAXSTRING, "%s in %s", errstr, s);
+ _mesa_snprintf(s2, MAXSTRING, "%s in %s", error_string(error), s);
output_if_debug("Mesa: User error", s2, GL_TRUE);
+
+ ctx->ErrorDebugFmtString = fmtString;
+ ctx->ErrorDebugCount = 0;
}
}