/*
* Mesa 3-D graphics library
- * Version: 6.1
+ * Version: 6.5
*
- * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
*/
#include "mtypes.h"
+#include "attrib.h"
+#include "colormac.h"
#include "context.h"
+#include "hash.h"
#include "imports.h"
#include "debug.h"
#include "get.h"
+#include "pixelstore.h"
+#include "readpix.h"
+#include "texgetimage.h"
+#include "texobj.h"
+#include "texformat.h"
+
/**
* Primitive names
*/
static void add_debug_flags( const char *debug )
{
-#ifdef MESA_DEBUG
- if (_mesa_strstr(debug, "varray"))
- MESA_VERBOSE |= VERBOSE_VARRAY;
-
- if (_mesa_strstr(debug, "tex"))
- MESA_VERBOSE |= VERBOSE_TEXTURE;
-
- if (_mesa_strstr(debug, "imm"))
- MESA_VERBOSE |= VERBOSE_IMMEDIATE;
-
- if (_mesa_strstr(debug, "pipe"))
- MESA_VERBOSE |= VERBOSE_PIPELINE;
-
- if (_mesa_strstr(debug, "driver"))
- MESA_VERBOSE |= VERBOSE_DRIVER;
-
- if (_mesa_strstr(debug, "state"))
- MESA_VERBOSE |= VERBOSE_STATE;
+#ifdef DEBUG
+ struct debug_option {
+ const char *name;
+ GLbitfield flag;
+ };
+ static const struct debug_option debug_opt[] = {
+ { "varray", VERBOSE_VARRAY },
+ { "tex", VERBOSE_TEXTURE },
+ { "mat", VERBOSE_MATERIAL },
+ { "pipe", VERBOSE_PIPELINE },
+ { "driver", VERBOSE_DRIVER },
+ { "state", VERBOSE_STATE },
+ { "api", VERBOSE_API },
+ { "list", VERBOSE_DISPLAY_LIST },
+ { "lighting", VERBOSE_LIGHTING },
+ { "disassem", VERBOSE_DISASSEM },
+ { "draw", VERBOSE_DRAW }
+ };
+ GLuint i;
- if (_mesa_strstr(debug, "api"))
- MESA_VERBOSE |= VERBOSE_API;
-
- if (_mesa_strstr(debug, "list"))
- MESA_VERBOSE |= VERBOSE_DISPLAY_LIST;
-
- if (_mesa_strstr(debug, "lighting"))
- MESA_VERBOSE |= VERBOSE_LIGHTING;
+ MESA_VERBOSE = 0x0;
+ for (i = 0; i < Elements(debug_opt); i++) {
+ if (_mesa_strstr(debug, debug_opt[i].name))
+ MESA_VERBOSE |= debug_opt[i].flag;
+ }
- if (_mesa_strstr(debug, "disassem"))
- MESA_VERBOSE |= VERBOSE_DISASSEM;
-
/* Debug flag:
*/
if (_mesa_strstr(debug, "flush"))
MESA_DEBUG_FLAGS |= DEBUG_ALWAYS_FLUSH;
+
+#if defined(_FPU_GETCW) && defined(_FPU_SETCW)
+ if (_mesa_strstr(debug, "fpexceptions")) {
+ /* raise FP exceptions */
+ fpu_control_t mask;
+ _FPU_GETCW(mask);
+ mask &= ~(_FPU_MASK_IM | _FPU_MASK_DM | _FPU_MASK_ZM
+ | _FPU_MASK_OM | _FPU_MASK_UM);
+ _FPU_SETCW(mask);
+ }
+#endif
+
#else
(void) debug;
#endif
{
char *c;
- /* For debug/development only */
- ctx->FirstTimeCurrent = GL_TRUE;
-
/* Dither disable */
ctx->NoDither = _mesa_getenv("MESA_NO_DITHER") ? GL_TRUE : GL_FALSE;
if (ctx->NoDither) {
add_debug_flags(c);
}
+
+/*
+ * Write ppm file
+ */
+static void
+write_ppm(const char *filename, const GLubyte *buffer, int width, int height,
+ int comps, int rcomp, int gcomp, int bcomp, GLboolean invert)
+{
+ FILE *f = fopen( filename, "w" );
+ if (f) {
+ int x, y;
+ const GLubyte *ptr = buffer;
+ 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++) {
+ int yy = invert ? (height - 1 - y) : y;
+ int i = (yy * width + x) * comps;
+ fputc(ptr[i+rcomp], f); /* write red */
+ fputc(ptr[i+gcomp], f); /* write green */
+ fputc(ptr[i+bcomp], f); /* write blue */
+ }
+ }
+ fclose(f);
+ }
+}
+
+
+/**
+ * Write level[0] image to a ppm file.
+ */
+static void
+write_texture_image(struct gl_texture_object *texObj, GLuint face, GLuint level)
+{
+ struct gl_texture_image *img = texObj->Image[face][level];
+ if (img) {
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_pixelstore_attrib store;
+ GLubyte *buffer;
+ char s[100];
+
+ buffer = (GLubyte *) _mesa_malloc(img->Width * img->Height
+ * img->Depth * 4);
+
+ store = ctx->Pack; /* save */
+ ctx->Pack = ctx->DefaultPacking;
+
+ ctx->Driver.GetTexImage(ctx, texObj->Target, level,
+ GL_RGBA, GL_UNSIGNED_BYTE,
+ buffer, texObj, img);
+
+ /* make filename */
+ _mesa_sprintf(s, "/tmp/teximage%u.ppm", texObj->Name);
+
+ _mesa_printf(" Writing image level %u to %s\n", level, s);
+ write_ppm(s, buffer, img->Width, img->Height, 4, 0, 1, 2, GL_FALSE);
+
+ ctx->Pack = store; /* restore */
+
+ _mesa_free(buffer);
+ }
+}
+
+
+static GLboolean DumpImages;
+
+
+static void
+dump_texture_cb(GLuint id, void *data, void *userData)
+{
+ struct gl_texture_object *texObj = (struct gl_texture_object *) data;
+ int i;
+ GLboolean written = GL_FALSE;
+ (void) userData;
+
+ _mesa_printf("Texture %u\n", texObj->Name);
+ _mesa_printf(" Target 0x%x\n", texObj->Target);
+ for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
+ struct gl_texture_image *texImg = texObj->Image[0][i];
+ if (texImg) {
+ _mesa_printf(" Image %u: %d x %d x %d, format %u at %p\n", i,
+ texImg->Width, texImg->Height, texImg->Depth,
+ texImg->TexFormat->MesaFormat, texImg->Data);
+ if (DumpImages && !written) {
+ GLuint face = 0;
+ write_texture_image(texObj, face, i);
+ written = GL_TRUE;
+ }
+ }
+ }
+}
+
+
+/**
+ * Print basic info about all texture objext to stdout.
+ * If dumpImages is true, write PPM of level[0] image to a file.
+ */
+void
+_mesa_dump_textures(GLboolean dumpImages)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ DumpImages = dumpImages;
+ _mesa_HashWalk(ctx->Shared->TexObjects, dump_texture_cb, ctx);
+}
+
+
+void
+_mesa_dump_color_buffer(const char *filename)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const GLuint w = ctx->DrawBuffer->Width;
+ const GLuint h = ctx->DrawBuffer->Height;
+ GLubyte *buf;
+
+ buf = (GLubyte *) _mesa_malloc(w * h * 4);
+
+ _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
+ _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
+ _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE);
+
+ _mesa_ReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, buf);
+
+ _mesa_printf("ReadBuffer %p 0x%x DrawBuffer %p 0x%x\n",
+ ctx->ReadBuffer->_ColorReadBuffer,
+ ctx->ReadBuffer->ColorReadBuffer,
+ ctx->DrawBuffer->_ColorDrawBuffers[0],
+ ctx->DrawBuffer->ColorDrawBuffer[0]);
+ _mesa_printf("Writing %d x %d color buffer to %s\n", w, h, filename);
+ write_ppm(filename, buf, w, h, 4, 0, 1, 2, GL_TRUE);
+
+ _mesa_PopClientAttrib();
+
+ _mesa_free(buf);
+}
+
+
+void
+_mesa_dump_depth_buffer(const char *filename)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const GLuint w = ctx->DrawBuffer->Width;
+ const GLuint h = ctx->DrawBuffer->Height;
+ GLuint *buf;
+ GLubyte *buf2;
+ GLuint i;
+
+ buf = (GLuint *) _mesa_malloc(w * h * 4); /* 4 bpp */
+ buf2 = (GLubyte *) _mesa_malloc(w * h * 3); /* 3 bpp */
+
+ _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
+ _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
+ _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE);
+
+ _mesa_ReadPixels(0, 0, w, h, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, buf);
+
+ /* spread 24 bits of Z across R, G, B */
+ for (i = 0; i < w * h; i++) {
+ buf2[i*3+0] = (buf[i] >> 24) & 0xff;
+ buf2[i*3+1] = (buf[i] >> 16) & 0xff;
+ buf2[i*3+2] = (buf[i] >> 8) & 0xff;
+ }
+
+ _mesa_printf("Writing %d x %d depth buffer to %s\n", w, h, filename);
+ write_ppm(filename, buf2, w, h, 3, 0, 1, 2, GL_TRUE);
+
+ _mesa_PopClientAttrib();
+
+ _mesa_free(buf);
+ _mesa_free(buf2);
+}
+
+
+void
+_mesa_dump_stencil_buffer(const char *filename)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const GLuint w = ctx->DrawBuffer->Width;
+ const GLuint h = ctx->DrawBuffer->Height;
+ GLubyte *buf;
+ GLubyte *buf2;
+ GLuint i;
+
+ buf = (GLubyte *) _mesa_malloc(w * h); /* 1 bpp */
+ buf2 = (GLubyte *) _mesa_malloc(w * h * 3); /* 3 bpp */
+
+ _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
+ _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
+ _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE);
+
+ _mesa_ReadPixels(0, 0, w, h, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, buf);
+
+ for (i = 0; i < w * h; i++) {
+ buf2[i*3+0] = buf[i];
+ buf2[i*3+1] = (buf[i] & 127) * 2;
+ buf2[i*3+2] = (buf[i] - 128) * 2;
+ }
+
+ _mesa_printf("Writing %d x %d stencil buffer to %s\n", w, h, filename);
+ write_ppm(filename, buf2, w, h, 3, 0, 1, 2, GL_TRUE);
+
+ _mesa_PopClientAttrib();
+
+ _mesa_free(buf);
+ _mesa_free(buf2);
+}