2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
6 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
22 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
35 #include "pixelstore.h"
43 const char *_mesa_prim_name[GL_POLYGON+4] = {
55 "inside unknown primitive",
61 tex_target_name(GLenum tgt)
67 { GL_TEXTURE_1D, "GL_TEXTURE_1D" },
68 { GL_TEXTURE_2D, "GL_TEXTURE_2D" },
69 { GL_TEXTURE_3D, "GL_TEXTURE_3D" },
70 { GL_TEXTURE_CUBE_MAP, "GL_TEXTURE_CUBE_MAP" },
71 { GL_TEXTURE_RECTANGLE, "GL_TEXTURE_RECTANGLE" },
72 { GL_TEXTURE_1D_ARRAY_EXT, "GL_TEXTURE_1D_ARRAY" },
73 { GL_TEXTURE_2D_ARRAY_EXT, "GL_TEXTURE_2D_ARRAY" }
76 for (i = 0; i < Elements(tex_targets); i++) {
77 if (tex_targets[i].target == tgt)
78 return tex_targets[i].name;
80 return "UNKNOWN TEX TARGET";
85 _mesa_print_state( const char *msg, GLuint state )
88 "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
91 (state & _NEW_MODELVIEW) ? "ctx->ModelView, " : "",
92 (state & _NEW_PROJECTION) ? "ctx->Projection, " : "",
93 (state & _NEW_TEXTURE_MATRIX) ? "ctx->TextureMatrix, " : "",
94 (state & _NEW_COLOR_MATRIX) ? "ctx->ColorMatrix, " : "",
95 (state & _NEW_ACCUM) ? "ctx->Accum, " : "",
96 (state & _NEW_COLOR) ? "ctx->Color, " : "",
97 (state & _NEW_DEPTH) ? "ctx->Depth, " : "",
98 (state & _NEW_EVAL) ? "ctx->Eval/EvalMap, " : "",
99 (state & _NEW_FOG) ? "ctx->Fog, " : "",
100 (state & _NEW_HINT) ? "ctx->Hint, " : "",
101 (state & _NEW_LIGHT) ? "ctx->Light, " : "",
102 (state & _NEW_LINE) ? "ctx->Line, " : "",
103 (state & _NEW_PIXEL) ? "ctx->Pixel, " : "",
104 (state & _NEW_POINT) ? "ctx->Point, " : "",
105 (state & _NEW_POLYGON) ? "ctx->Polygon, " : "",
106 (state & _NEW_POLYGONSTIPPLE) ? "ctx->PolygonStipple, " : "",
107 (state & _NEW_SCISSOR) ? "ctx->Scissor, " : "",
108 (state & _NEW_TEXTURE) ? "ctx->Texture, " : "",
109 (state & _NEW_TRANSFORM) ? "ctx->Transform, " : "",
110 (state & _NEW_VIEWPORT) ? "ctx->Viewport, " : "",
111 (state & _NEW_PACKUNPACK) ? "ctx->Pack/Unpack, " : "",
112 (state & _NEW_ARRAY) ? "ctx->Array, " : "",
113 (state & _NEW_RENDERMODE) ? "ctx->RenderMode, " : "",
114 (state & _NEW_BUFFERS) ? "ctx->Visual, ctx->DrawBuffer,, " : "");
120 _mesa_print_tri_caps( const char *name, GLuint flags )
123 "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
126 (flags & DD_FLATSHADE) ? "flat-shade, " : "",
127 (flags & DD_SEPARATE_SPECULAR) ? "separate-specular, " : "",
128 (flags & DD_TRI_LIGHT_TWOSIDE) ? "tri-light-twoside, " : "",
129 (flags & DD_TRI_TWOSTENCIL) ? "tri-twostencil, " : "",
130 (flags & DD_TRI_UNFILLED) ? "tri-unfilled, " : "",
131 (flags & DD_TRI_STIPPLE) ? "tri-stipple, " : "",
132 (flags & DD_TRI_OFFSET) ? "tri-offset, " : "",
133 (flags & DD_TRI_SMOOTH) ? "tri-smooth, " : "",
134 (flags & DD_LINE_SMOOTH) ? "line-smooth, " : "",
135 (flags & DD_LINE_STIPPLE) ? "line-stipple, " : "",
136 (flags & DD_LINE_WIDTH) ? "line-wide, " : "",
137 (flags & DD_POINT_SMOOTH) ? "point-smooth, " : "",
138 (flags & DD_POINT_SIZE) ? "point-size, " : "",
139 (flags & DD_POINT_ATTEN) ? "point-atten, " : "",
140 (flags & DD_TRI_CULL_FRONT_BACK) ? "cull-all, " : ""
146 * Print information about this Mesa version and build options.
148 void _mesa_print_info( void )
150 _mesa_debug(NULL, "Mesa GL_VERSION = %s\n",
151 (char *) _mesa_GetString(GL_VERSION));
152 _mesa_debug(NULL, "Mesa GL_RENDERER = %s\n",
153 (char *) _mesa_GetString(GL_RENDERER));
154 _mesa_debug(NULL, "Mesa GL_VENDOR = %s\n",
155 (char *) _mesa_GetString(GL_VENDOR));
156 _mesa_debug(NULL, "Mesa GL_EXTENSIONS = %s\n",
157 (char *) _mesa_GetString(GL_EXTENSIONS));
159 _mesa_debug(NULL, "Mesa thread-safe: YES\n");
161 _mesa_debug(NULL, "Mesa thread-safe: NO\n");
163 #if defined(USE_X86_ASM)
164 _mesa_debug(NULL, "Mesa x86-optimized: YES\n");
166 _mesa_debug(NULL, "Mesa x86-optimized: NO\n");
168 #if defined(USE_SPARC_ASM)
169 _mesa_debug(NULL, "Mesa sparc-optimized: YES\n");
171 _mesa_debug(NULL, "Mesa sparc-optimized: NO\n");
177 * Set the debugging flags.
179 * \param debug debug string
181 * If compiled with debugging support then search for keywords in \p debug and
182 * enables the verbose debug output of the respective feature.
184 static void add_debug_flags( const char *debug )
187 struct debug_option {
191 static const struct debug_option debug_opt[] = {
192 { "varray", VERBOSE_VARRAY },
193 { "tex", VERBOSE_TEXTURE },
194 { "mat", VERBOSE_MATERIAL },
195 { "pipe", VERBOSE_PIPELINE },
196 { "driver", VERBOSE_DRIVER },
197 { "state", VERBOSE_STATE },
198 { "api", VERBOSE_API },
199 { "list", VERBOSE_DISPLAY_LIST },
200 { "lighting", VERBOSE_LIGHTING },
201 { "disassem", VERBOSE_DISASSEM },
202 { "draw", VERBOSE_DRAW },
203 { "swap", VERBOSE_SWAPBUFFERS }
208 for (i = 0; i < Elements(debug_opt); i++) {
209 if (strstr(debug, debug_opt[i].name))
210 MESA_VERBOSE |= debug_opt[i].flag;
215 if (strstr(debug, "flush"))
216 MESA_DEBUG_FLAGS |= DEBUG_ALWAYS_FLUSH;
218 #if defined(_FPU_GETCW) && defined(_FPU_SETCW)
219 if (strstr(debug, "fpexceptions")) {
220 /* raise FP exceptions */
223 mask &= ~(_FPU_MASK_IM | _FPU_MASK_DM | _FPU_MASK_ZM
224 | _FPU_MASK_OM | _FPU_MASK_UM);
236 _mesa_init_debug( GLcontext *ctx )
241 ctx->NoDither = _mesa_getenv("MESA_NO_DITHER") ? GL_TRUE : GL_FALSE;
243 if (_mesa_getenv("MESA_DEBUG")) {
244 _mesa_debug(ctx, "MESA_NO_DITHER set - dithering disabled\n");
246 ctx->Color.DitherFlag = GL_FALSE;
249 c = _mesa_getenv("MESA_DEBUG");
253 c = _mesa_getenv("MESA_VERBOSE");
263 write_ppm(const char *filename, const GLubyte *buffer, int width, int height,
264 int comps, int rcomp, int gcomp, int bcomp, GLboolean invert)
266 FILE *f = fopen( filename, "w" );
269 const GLubyte *ptr = buffer;
271 fprintf(f,"# ppm-file created by osdemo.c\n");
272 fprintf(f,"%i %i\n", width,height);
275 f = fopen( filename, "ab" ); /* reopen in binary append mode */
276 for (y=0; y < height; y++) {
277 for (x = 0; x < width; x++) {
278 int yy = invert ? (height - 1 - y) : y;
279 int i = (yy * width + x) * comps;
280 fputc(ptr[i+rcomp], f); /* write red */
281 fputc(ptr[i+gcomp], f); /* write green */
282 fputc(ptr[i+bcomp], f); /* write blue */
291 * Write a texture image to a ppm file.
292 * \param face cube face in [0,5]
293 * \param level mipmap level
296 write_texture_image(struct gl_texture_object *texObj,
297 GLuint face, GLuint level)
299 struct gl_texture_image *img = texObj->Image[face][level];
301 GET_CURRENT_CONTEXT(ctx);
302 struct gl_pixelstore_attrib store;
306 buffer = (GLubyte *) malloc(img->Width * img->Height
309 store = ctx->Pack; /* save */
310 ctx->Pack = ctx->DefaultPacking;
312 ctx->Driver.GetTexImage(ctx, texObj->Target, level,
313 GL_RGBA, GL_UNSIGNED_BYTE,
314 buffer, texObj, img);
317 sprintf(s, "/tmp/tex%u.l%u.f%u.ppm", texObj->Name, level, face);
319 printf(" Writing image level %u to %s\n", level, s);
320 write_ppm(s, buffer, img->Width, img->Height, 4, 0, 1, 2, GL_FALSE);
322 ctx->Pack = store; /* restore */
330 * Write renderbuffer image to a ppm file.
333 write_renderbuffer_image(const struct gl_renderbuffer *rb)
335 GET_CURRENT_CONTEXT(ctx);
340 if (rb->_BaseFormat == GL_RGB ||
341 rb->_BaseFormat == GL_RGBA) {
343 type = GL_UNSIGNED_BYTE;
345 else if (rb->_BaseFormat == GL_DEPTH_STENCIL) {
346 format = GL_DEPTH_STENCIL;
347 type = GL_UNSIGNED_INT_24_8;
353 buffer = (GLubyte *) malloc(rb->Width * rb->Height * 4);
355 ctx->Driver.ReadPixels(ctx, 0, 0, rb->Width, rb->Height,
356 format, type, &ctx->DefaultPacking, buffer);
359 sprintf(s, "/tmp/renderbuffer%u.ppm", rb->Name);
361 printf(" Writing renderbuffer image to %s\n", s);
362 write_ppm(s, buffer, rb->Width, rb->Height, 4, 0, 1, 2, GL_TRUE);
368 /** How many texture images (mipmap levels, faces) to write to files */
373 static GLuint WriteImages;
377 dump_texture(struct gl_texture_object *texObj, GLuint writeImages)
379 const GLuint numFaces = texObj->Target == GL_TEXTURE_CUBE_MAP ? 6 : 1;
380 GLboolean written = GL_FALSE;
383 printf("Texture %u\n", texObj->Name);
384 printf(" Target %s\n", tex_target_name(texObj->Target));
385 for (i = 0; i < MAX_TEXTURE_LEVELS; i++) {
386 for (j = 0; j < numFaces; j++) {
387 struct gl_texture_image *texImg = texObj->Image[j][i];
389 printf(" Face %u level %u: %d x %d x %d, format %s at %p\n",
391 texImg->Width, texImg->Height, texImg->Depth,
392 _mesa_get_format_name(texImg->TexFormat),
394 if (writeImages == WRITE_ALL ||
395 (writeImages == WRITE_ONE && !written)) {
396 write_texture_image(texObj, j, i);
406 * Dump a single texture.
409 _mesa_dump_texture(GLuint texture, GLuint writeImages)
411 GET_CURRENT_CONTEXT(ctx);
412 struct gl_texture_object *texObj = _mesa_lookup_texture(ctx, texture);
414 dump_texture(texObj, writeImages);
420 dump_texture_cb(GLuint id, void *data, void *userData)
422 struct gl_texture_object *texObj = (struct gl_texture_object *) data;
424 dump_texture(texObj, WriteImages);
429 * Print basic info about all texture objext to stdout.
430 * If dumpImages is true, write PPM of level[0] image to a file.
433 _mesa_dump_textures(GLuint writeImages)
435 GET_CURRENT_CONTEXT(ctx);
436 WriteImages = writeImages;
437 _mesa_HashWalk(ctx->Shared->TexObjects, dump_texture_cb, ctx);
442 dump_renderbuffer(const struct gl_renderbuffer *rb, GLboolean writeImage)
444 printf("Renderbuffer %u: %u x %u IntFormat = %s\n",
445 rb->Name, rb->Width, rb->Height,
446 _mesa_lookup_enum_by_nr(rb->InternalFormat));
448 write_renderbuffer_image(rb);
454 dump_renderbuffer_cb(GLuint id, void *data, void *userData)
456 const struct gl_renderbuffer *rb = (const struct gl_renderbuffer *) data;
458 dump_renderbuffer(rb, WriteImages);
463 * Print basic info about all renderbuffers to stdout.
464 * If dumpImages is true, write PPM of level[0] image to a file.
467 _mesa_dump_renderbuffers(GLboolean writeImages)
469 GET_CURRENT_CONTEXT(ctx);
470 WriteImages = writeImages;
471 _mesa_HashWalk(ctx->Shared->RenderBuffers, dump_renderbuffer_cb, ctx);
477 _mesa_dump_color_buffer(const char *filename)
479 GET_CURRENT_CONTEXT(ctx);
480 const GLuint w = ctx->DrawBuffer->Width;
481 const GLuint h = ctx->DrawBuffer->Height;
484 buf = (GLubyte *) malloc(w * h * 4);
486 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
487 _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
488 _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE);
490 _mesa_ReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, buf);
492 printf("ReadBuffer %p 0x%x DrawBuffer %p 0x%x\n",
493 (void *) ctx->ReadBuffer->_ColorReadBuffer,
494 ctx->ReadBuffer->ColorReadBuffer,
495 (void *) ctx->DrawBuffer->_ColorDrawBuffers[0],
496 ctx->DrawBuffer->ColorDrawBuffer[0]);
497 printf("Writing %d x %d color buffer to %s\n", w, h, filename);
498 write_ppm(filename, buf, w, h, 4, 0, 1, 2, GL_TRUE);
500 _mesa_PopClientAttrib();
507 _mesa_dump_depth_buffer(const char *filename)
509 GET_CURRENT_CONTEXT(ctx);
510 const GLuint w = ctx->DrawBuffer->Width;
511 const GLuint h = ctx->DrawBuffer->Height;
516 buf = (GLuint *) malloc(w * h * 4); /* 4 bpp */
517 buf2 = (GLubyte *) malloc(w * h * 3); /* 3 bpp */
519 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
520 _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
521 _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE);
523 _mesa_ReadPixels(0, 0, w, h, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, buf);
525 /* spread 24 bits of Z across R, G, B */
526 for (i = 0; i < w * h; i++) {
527 buf2[i*3+0] = (buf[i] >> 24) & 0xff;
528 buf2[i*3+1] = (buf[i] >> 16) & 0xff;
529 buf2[i*3+2] = (buf[i] >> 8) & 0xff;
532 printf("Writing %d x %d depth buffer to %s\n", w, h, filename);
533 write_ppm(filename, buf2, w, h, 3, 0, 1, 2, GL_TRUE);
535 _mesa_PopClientAttrib();
543 _mesa_dump_stencil_buffer(const char *filename)
545 GET_CURRENT_CONTEXT(ctx);
546 const GLuint w = ctx->DrawBuffer->Width;
547 const GLuint h = ctx->DrawBuffer->Height;
552 buf = (GLubyte *) malloc(w * h); /* 1 bpp */
553 buf2 = (GLubyte *) malloc(w * h * 3); /* 3 bpp */
555 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT);
556 _mesa_PixelStorei(GL_PACK_ALIGNMENT, 1);
557 _mesa_PixelStorei(GL_PACK_INVERT_MESA, GL_TRUE);
559 _mesa_ReadPixels(0, 0, w, h, GL_STENCIL_INDEX, GL_UNSIGNED_BYTE, buf);
561 for (i = 0; i < w * h; i++) {
562 buf2[i*3+0] = buf[i];
563 buf2[i*3+1] = (buf[i] & 127) * 2;
564 buf2[i*3+2] = (buf[i] - 128) * 2;
567 printf("Writing %d x %d stencil buffer to %s\n", w, h, filename);
568 write_ppm(filename, buf2, w, h, 3, 0, 1, 2, GL_TRUE);
570 _mesa_PopClientAttrib();
578 * Quick and dirty function to "print" a texture to stdout.
581 _mesa_print_texture(GLcontext *ctx, const struct gl_texture_image *img)
583 #if CHAN_TYPE != GL_UNSIGNED_BYTE
584 _mesa_problem(NULL, "PrintTexture not supported");
587 const GLubyte *data = (const GLubyte *) img->Data;
590 printf("No texture data\n");
594 /* XXX add more formats or make into a new format utility function */
595 switch (img->TexFormat) {
599 case MESA_FORMAT_CI8:
602 case MESA_FORMAT_AL88:
603 case MESA_FORMAT_AL88_REV:
606 case MESA_FORMAT_RGB888:
607 case MESA_FORMAT_BGR888:
610 case MESA_FORMAT_RGBA8888:
611 case MESA_FORMAT_ARGB8888:
615 _mesa_problem(NULL, "error in PrintTexture\n");
619 for (i = 0; i < img->Height; i++) {
620 for (j = 0; j < img->Width; j++) {
622 printf("%02x ", data[0]);
624 printf("%02x%02x ", data[0], data[1]);
626 printf("%02x%02x%02x ", data[0], data[1], data[2]);
628 printf("%02x%02x%02x%02x ", data[0], data[1], data[2], data[3]);
629 data += (img->RowStride - img->Width) * c;
631 /* XXX use img->ImageStride here */