X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fimports.c;h=6ffaddcde96e7f1996736847ac9eb49b4c48b958;hb=f8d8f4527884d018a51daf8cc6281b52ce083b9e;hp=6cfd7ccc723c930622490471818194465f79d88c;hpb=608e14c5b265d331f89959b8e477796ac21c297c;p=mesa.git diff --git a/src/mesa/main/imports.c b/src/mesa/main/imports.c index 6cfd7ccc723..6ffaddcde96 100644 --- a/src/mesa/main/imports.c +++ b/src/mesa/main/imports.c @@ -911,6 +911,20 @@ _mesa_strtod( const char *s, char **end ) 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; +} + + /*@}*/ @@ -930,6 +944,18 @@ _mesa_sprintf( char *str, const char *fmt, ... ) return r; } +/** Wrapper around vsnprintf() */ +int +_mesa_snprintf( char *str, size_t size, const char *fmt, ... ) +{ + int r; + va_list args; + va_start( args, fmt ); + r = vsnprintf( str, size, fmt, args ); + va_end( args ); + return r; +} + /** Wrapper around printf(), using vsprintf() for the formatting. */ void _mesa_printf( const char *fmtString, ... ) @@ -940,6 +966,19 @@ _mesa_printf( const char *fmtString, ... ) va_end( args ); } +/** Wrapper around fprintf(), using vsprintf() for the formatting. */ +void +_mesa_fprintf( FILE *f, const char *fmtString, ... ) +{ + char s[MAXSTRING]; + va_list args; + va_start( args, fmtString ); + vsnprintf(s, MAXSTRING, fmtString, args); + va_end( args ); + fprintf(f, "%s", s); +} + + /** Wrapper around vsprintf() */ int _mesa_vsprintf( char *str, const char *fmt, va_list args ) @@ -954,39 +993,130 @@ _mesa_vsprintf( char *str, const char *fmt, va_list args ) /** \name Diagnostics */ /*@{*/ +static void +output_if_debug(const char *prefixString, const char *outputString, + GLboolean newline) +{ + static int debug = -1; + + /* Check the MESA_DEBUG environment variable if it hasn't + * been checked yet. We only have to check it once... + */ + if (debug == -1) { + char *env = _mesa_getenv("MESA_DEBUG"); + + /* In a debug build, we print warning messages *unless* + * MESA_DEBUG is 0. In a non-debug build, we don't + * print warning messages *unless* MESA_DEBUG is + * set *to any value*. + */ +#ifdef DEBUG + debug = (env != NULL && _mesa_atoi(env) == 0) ? 0 : 1; +#else + debug = (env != NULL) ? 1 : 0; +#endif + } + + /* Now only print the string if we're required to do so. */ + if (debug) { + 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; + } +} + + /** * Report a warning (a recoverable error condition) to stderr if * either DEBUG is defined or the MESA_DEBUG env var is set. * * \param ctx GL context. - * \param fmtString printf() alike format string. + * \param fmtString printf()-like format string. */ void _mesa_warning( GLcontext *ctx, const char *fmtString, ... ) { - GLboolean debug; char str[MAXSTRING]; va_list args; - (void) ctx; va_start( args, fmtString ); (void) vsnprintf( str, MAXSTRING, fmtString, args ); va_end( args ); -#ifdef DEBUG - debug = GL_TRUE; /* always print warning */ -#else - debug = _mesa_getenv("MESA_DEBUG") ? GL_TRUE : GL_FALSE; -#endif - if (debug) { - fprintf(stderr, "Mesa warning: %s\n", str); - } + + if (ctx) + flush_delayed_errors( ctx ); + + output_if_debug("Mesa warning", str, GL_TRUE); } + /** - * Report an internla implementation problem. + * Report an internal implementation problem. * Prints the message to stderr via fprintf(). * * \param ctx GL context. - * \param s problem description string. + * \param fmtString problem description string. */ void _mesa_problem( const GLcontext *ctx, const char *fmtString, ... ) @@ -1003,8 +1133,9 @@ _mesa_problem( const GLcontext *ctx, const char *fmtString, ... ) fprintf(stderr, "Please report at bugzilla.freedesktop.org\n"); } + /** - * Record an OpenGL state error. These usually occur when the users + * Record an OpenGL state error. These usually occur when the user * passes invalid parameters to a GL function. * * If debugging is enabled (either at compile-time via the DEBUG macro, or @@ -1018,69 +1149,52 @@ _mesa_problem( const GLcontext *ctx, const char *fmtString, ... ) 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", error_string(error), s); + output_if_debug("Mesa: User error", s2, GL_TRUE); + + ctx->ErrorDebugFmtString = fmtString; + ctx->ErrorDebugCount = 0; } - _mesa_debug(ctx, "User error: %s in %s\n", errstr, where); } _mesa_record_error(ctx, error); -} +} + /** * Report debug information. Print error message to stderr via fprintf(). @@ -1098,7 +1212,7 @@ _mesa_debug( const GLcontext *ctx, const char *fmtString, ... ) va_start(args, fmtString); vsnprintf(s, MAXSTRING, fmtString, args); va_end(args); - fprintf(stderr, "Mesa: %s", s); + output_if_debug("Mesa", s, GL_FALSE); #endif /* DEBUG */ (void) ctx; (void) fmtString;