void debug_dump_image(const char *prefix, unsigned format, unsigned cpp, unsigned width, unsigned height, unsigned stride, const void *data) { #ifdef PIPE_SUBSYSTEM_WINDOWS_DISPLAY static unsigned no = 0; char filename[256]; WCHAR wfilename[sizeof(filename)]; ULONG_PTR iFile = 0; struct { unsigned format; unsigned cpp; unsigned width; unsigned height; } header; unsigned char *pMap = NULL; unsigned i; util_snprintf(filename, sizeof(filename), "\\??\\c:\\%03u%s.raw", ++no, prefix); for(i = 0; i < sizeof(filename); ++i) wfilename[i] = (WCHAR)filename[i]; pMap = (unsigned char *)EngMapFile(wfilename, sizeof(header) + height*width*cpp, &iFile); if(!pMap) return; header.format = format; header.cpp = cpp; header.width = width; header.height = height; memcpy(pMap, &header, sizeof(header)); pMap += sizeof(header); for(i = 0; i < height; ++i) { memcpy(pMap, (unsigned char *)data + stride*i, cpp*width); pMap += cpp*width; } EngUnmapFile(iFile); #endif }
/** * Dump an image to a .raw or .ppm file (depends on OS). * \param format PIPE_FORMAT_x * \param cpp bytes per pixel * \param width width in pixels * \param height height in pixels * \param stride row stride in bytes */ void debug_dump_image(const char *prefix, unsigned format, unsigned cpp, unsigned width, unsigned height, unsigned stride, const void *data) { #ifdef PIPE_SUBSYSTEM_WINDOWS_DISPLAY static unsigned no = 0; char filename[256]; WCHAR wfilename[sizeof(filename)]; ULONG_PTR iFile = 0; struct { unsigned format; unsigned cpp; unsigned width; unsigned height; } header; unsigned char *pMap = NULL; unsigned i; util_snprintf(filename, sizeof(filename), "\\??\\c:\\%03u%s.raw", ++no, prefix); for(i = 0; i < sizeof(filename); ++i) wfilename[i] = (WCHAR)filename[i]; pMap = (unsigned char *)EngMapFile(wfilename, sizeof(header) + height*width*cpp, &iFile); if(!pMap) return; header.format = format; header.cpp = cpp; header.width = width; header.height = height; memcpy(pMap, &header, sizeof(header)); pMap += sizeof(header); for(i = 0; i < height; ++i) { memcpy(pMap, (unsigned char *)data + stride*i, cpp*width); pMap += cpp*width; } EngUnmapFile(iFile); #elif defined(PIPE_OS_UNIX) /* write a ppm file */ char filename[256]; FILE *f; util_snprintf(filename, sizeof(filename), "%s.ppm", prefix); f = fopen(filename, "w"); if (f) { int i, x, y; int r, g, b; const uint8_t *ptr = (uint8_t *) data; /* XXX this is a hack */ switch (format) { case PIPE_FORMAT_B8G8R8A8_UNORM: r = 2; g = 1; b = 0; break; default: r = 0; g = 1; b = 1; } fprintf(f, "P6\n"); fprintf(f, "# ppm-file created by osdemo.c\n"); fprintf(f, "%i %i\n", width, height); fprintf(f, "255\n"); fclose(f); f = fopen(filename, "ab"); /* reopen in binary append mode */ for (y = 0; y < height; y++) { for (x = 0; x < width; x++) { i = y * stride + x * cpp; fputc(ptr[i + r], f); /* write red */ fputc(ptr[i + g], f); /* write green */ fputc(ptr[i + b], f); /* write blue */ } } fclose(f); } else { fprintf(stderr, "Can't open %s for writing\n", filename); } #endif }
void _debug_break(void) { #if defined(PIPE_ARCH_X86) && defined(PIPE_CC_GCC) __asm("int3"); #elif defined(PIPE_ARCH_X86) && defined(PIPE_CC_MSVC) _asm {int 3}; #elif defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) EngDebugBreak(); #else abort(); #endif } #ifdef PIPE_SUBSYSTEM_WINDOWS_DISPLAY static const char * find(const char *start, const char *end, char c) { const char *p; for(p = start; !end || p != end; ++p) { if(*p == c) return p; if(*p < 32) break; } return NULL; } static int compare(const char *start, const char *end, const char *s) { const char *p, *q; for(p = start, q = s; p != end && *q != '\0'; ++p, ++q) { if(*p != *q) return 0; } return p == end && *q == '\0'; } static void copy(char *dst, const char *start, const char *end, size_t n) { const char *p; char *q; for(p = start, q = dst, n = n - 1; p != end && n; ++p, ++q, --n) *q = *p; *q = '\0'; } #endif static INLINE const char * _debug_get_option(const char *name) { #if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) /* EngMapFile creates the file if it does not exists, so it must either be * disabled on release versions (or put in a less conspicuous place). */ #ifdef DEBUG const char *result = NULL; ULONG_PTR iFile = 0; const void *pMap = NULL; const char *sol, *eol, *sep; static char output[1024]; pMap = EngMapFile(L"\\??\\c:\\gallium.cfg", 0, &iFile); if(pMap) { sol = (const char *)pMap; while(1) { /* TODO: handle LF line endings */ eol = find(sol, NULL, '\r'); if(!eol || eol == sol) break; sep = find(sol, eol, '='); if(!sep) break; if(compare(sol, sep, name)) { copy(output, sep + 1, eol, sizeof(output)); result = output; break; } sol = eol + 2; } EngUnmapFile(iFile); } return result; #else return NULL; #endif #elif defined(PIPE_SUBSYSTEM_WINDOWS_CE) || defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT) /* TODO: implement */ return NULL; #else return getenv(name); #endif } const char * debug_get_option(const char *name, const char *dfault) { const char *result; result = _debug_get_option(name); if(!result) result = dfault; debug_printf("%s: %s = %s\n", __FUNCTION__, name, result ? result : "(null)"); return result; } boolean debug_get_bool_option(const char *name, boolean dfault) { const char *str = _debug_get_option(name); boolean result; if(str == NULL) result = dfault; else if(!util_strcmp(str, "n")) result = FALSE; else if(!util_strcmp(str, "no")) result = FALSE; else if(!util_strcmp(str, "0")) result = FALSE; else if(!util_strcmp(str, "f")) result = FALSE; else if(!util_strcmp(str, "false")) result = FALSE; else result = TRUE; debug_printf("%s: %s = %s\n", __FUNCTION__, name, result ? "TRUE" : "FALSE"); return result; } long debug_get_num_option(const char *name, long dfault) { long result; const char *str; str = _debug_get_option(name); if(!str) result = dfault; else { long sign; char c; c = *str++; if(c == '-') { sign = -1; c = *str++; } else { sign = 1; } result = 0; while('0' <= c && c <= '9') { result = result*10 + (c - '0'); c = *str++; } result *= sign; } debug_printf("%s: %s = %li\n", __FUNCTION__, name, result); return result; }