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 * THE AUTHORS OR COPYRIGHT HOLDERS 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"
41 tex_target_name(GLenum tgt
)
47 { GL_TEXTURE_1D
, "GL_TEXTURE_1D" },
48 { GL_TEXTURE_2D
, "GL_TEXTURE_2D" },
49 { GL_TEXTURE_3D
, "GL_TEXTURE_3D" },
50 { GL_TEXTURE_CUBE_MAP
, "GL_TEXTURE_CUBE_MAP" },
51 { GL_TEXTURE_RECTANGLE
, "GL_TEXTURE_RECTANGLE" },
52 { GL_TEXTURE_1D_ARRAY_EXT
, "GL_TEXTURE_1D_ARRAY" },
53 { GL_TEXTURE_2D_ARRAY_EXT
, "GL_TEXTURE_2D_ARRAY" },
54 { GL_TEXTURE_EXTERNAL_OES
, "GL_TEXTURE_EXTERNAL_OES" }
57 for (i
= 0; i
< Elements(tex_targets
); i
++) {
58 if (tex_targets
[i
].target
== tgt
)
59 return tex_targets
[i
].name
;
61 return "UNKNOWN TEX TARGET";
66 _mesa_print_state( const char *msg
, GLuint state
)
69 "%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\n",
72 (state
& _NEW_MODELVIEW
) ? "ctx->ModelView, " : "",
73 (state
& _NEW_PROJECTION
) ? "ctx->Projection, " : "",
74 (state
& _NEW_TEXTURE_MATRIX
) ? "ctx->TextureMatrix, " : "",
75 (state
& _NEW_COLOR
) ? "ctx->Color, " : "",
76 (state
& _NEW_DEPTH
) ? "ctx->Depth, " : "",
77 (state
& _NEW_EVAL
) ? "ctx->Eval/EvalMap, " : "",
78 (state
& _NEW_FOG
) ? "ctx->Fog, " : "",
79 (state
& _NEW_HINT
) ? "ctx->Hint, " : "",
80 (state
& _NEW_LIGHT
) ? "ctx->Light, " : "",
81 (state
& _NEW_LINE
) ? "ctx->Line, " : "",
82 (state
& _NEW_PIXEL
) ? "ctx->Pixel, " : "",
83 (state
& _NEW_POINT
) ? "ctx->Point, " : "",
84 (state
& _NEW_POLYGON
) ? "ctx->Polygon, " : "",
85 (state
& _NEW_POLYGONSTIPPLE
) ? "ctx->PolygonStipple, " : "",
86 (state
& _NEW_SCISSOR
) ? "ctx->Scissor, " : "",
87 (state
& _NEW_STENCIL
) ? "ctx->Stencil, " : "",
88 (state
& _NEW_TEXTURE
) ? "ctx->Texture, " : "",
89 (state
& _NEW_TRANSFORM
) ? "ctx->Transform, " : "",
90 (state
& _NEW_VIEWPORT
) ? "ctx->Viewport, " : "",
91 (state
& _NEW_ARRAY
) ? "ctx->Array, " : "",
92 (state
& _NEW_RENDERMODE
) ? "ctx->RenderMode, " : "",
93 (state
& _NEW_BUFFERS
) ? "ctx->Visual, ctx->DrawBuffer,, " : "");
99 * Print information about this Mesa version and build options.
101 void _mesa_print_info( void )
103 _mesa_debug(NULL
, "Mesa GL_VERSION = %s\n",
104 (char *) _mesa_GetString(GL_VERSION
));
105 _mesa_debug(NULL
, "Mesa GL_RENDERER = %s\n",
106 (char *) _mesa_GetString(GL_RENDERER
));
107 _mesa_debug(NULL
, "Mesa GL_VENDOR = %s\n",
108 (char *) _mesa_GetString(GL_VENDOR
));
109 _mesa_debug(NULL
, "Mesa GL_EXTENSIONS = %s\n",
110 (char *) _mesa_GetString(GL_EXTENSIONS
));
112 _mesa_debug(NULL
, "Mesa thread-safe: YES\n");
114 _mesa_debug(NULL
, "Mesa thread-safe: NO\n");
116 #if defined(USE_X86_ASM)
117 _mesa_debug(NULL
, "Mesa x86-optimized: YES\n");
119 _mesa_debug(NULL
, "Mesa x86-optimized: NO\n");
121 #if defined(USE_SPARC_ASM)
122 _mesa_debug(NULL
, "Mesa sparc-optimized: YES\n");
124 _mesa_debug(NULL
, "Mesa sparc-optimized: NO\n");
130 * Set verbose logging flags. When these flags are set, GL API calls
131 * in the various categories will be printed to stderr.
132 * \param str a comma-separated list of keywords
135 set_verbose_flags(const char *str
)
142 static const struct option opts
[] = {
143 { "varray", VERBOSE_VARRAY
},
144 { "tex", VERBOSE_TEXTURE
},
145 { "mat", VERBOSE_MATERIAL
},
146 { "pipe", VERBOSE_PIPELINE
},
147 { "driver", VERBOSE_DRIVER
},
148 { "state", VERBOSE_STATE
},
149 { "api", VERBOSE_API
},
150 { "list", VERBOSE_DISPLAY_LIST
},
151 { "lighting", VERBOSE_LIGHTING
},
152 { "disassem", VERBOSE_DISASSEM
},
153 { "draw", VERBOSE_DRAW
},
154 { "swap", VERBOSE_SWAPBUFFERS
}
162 for (i
= 0; i
< Elements(opts
); i
++) {
163 if (strstr(str
, opts
[i
].name
) || strcmp(str
, "all") == 0)
164 MESA_VERBOSE
|= opts
[i
].flag
;
171 * Set debugging flags. When these flags are set, Mesa will do additional
172 * debug checks or actions.
173 * \param str a comma-separated list of keywords
176 set_debug_flags(const char *str
)
183 static const struct option opts
[] = {
184 { "silent", DEBUG_SILENT
}, /* turn off debug messages */
185 { "flush", DEBUG_ALWAYS_FLUSH
}, /* flush after each drawing command */
186 { "incomplete_tex", DEBUG_INCOMPLETE_TEXTURE
},
187 { "incomplete_fbo", DEBUG_INCOMPLETE_FBO
}
194 MESA_DEBUG_FLAGS
= 0x0;
195 for (i
= 0; i
< Elements(opts
); i
++) {
196 if (strstr(str
, opts
[i
].name
))
197 MESA_DEBUG_FLAGS
|= opts
[i
].flag
;
204 * Initialize debugging variables from env vars.
207 _mesa_init_debug( struct gl_context
*ctx
)
209 set_debug_flags(_mesa_getenv("MESA_DEBUG"));
210 set_verbose_flags(_mesa_getenv("MESA_VERBOSE"));
218 write_ppm(const char *filename
, const GLubyte
*buffer
, int width
, int height
,
219 int comps
, int rcomp
, int gcomp
, int bcomp
, GLboolean invert
)
221 FILE *f
= fopen( filename
, "w" );
224 const GLubyte
*ptr
= buffer
;
226 fprintf(f
,"# ppm-file created by osdemo.c\n");
227 fprintf(f
,"%i %i\n", width
,height
);
230 f
= fopen( filename
, "ab" ); /* reopen in binary append mode */
231 for (y
=0; y
< height
; y
++) {
232 for (x
= 0; x
< width
; x
++) {
233 int yy
= invert
? (height
- 1 - y
) : y
;
234 int i
= (yy
* width
+ x
) * comps
;
235 fputc(ptr
[i
+rcomp
], f
); /* write red */
236 fputc(ptr
[i
+gcomp
], f
); /* write green */
237 fputc(ptr
[i
+bcomp
], f
); /* write blue */
243 fprintf(stderr
, "Unable to create %s in write_ppm()\n", filename
);
249 * Write a texture image to a ppm file.
250 * \param face cube face in [0,5]
251 * \param level mipmap level
254 write_texture_image(struct gl_texture_object
*texObj
,
255 GLuint face
, GLuint level
)
257 struct gl_texture_image
*img
= texObj
->Image
[face
][level
];
259 GET_CURRENT_CONTEXT(ctx
);
260 struct gl_pixelstore_attrib store
;
264 buffer
= malloc(img
->Width
* img
->Height
267 store
= ctx
->Pack
; /* save */
268 ctx
->Pack
= ctx
->DefaultPacking
;
270 ctx
->Driver
.GetTexImage(ctx
, GL_RGBA
, GL_UNSIGNED_BYTE
, buffer
, img
);
273 _mesa_snprintf(s
, sizeof(s
), "/tmp/tex%u.l%u.f%u.ppm", texObj
->Name
, level
, face
);
275 printf(" Writing image level %u to %s\n", level
, s
);
276 write_ppm(s
, buffer
, img
->Width
, img
->Height
, 4, 0, 1, 2, GL_FALSE
);
278 ctx
->Pack
= store
; /* restore */
286 * Write renderbuffer image to a ppm file.
289 _mesa_write_renderbuffer_image(const struct gl_renderbuffer
*rb
)
291 GET_CURRENT_CONTEXT(ctx
);
296 if (rb
->_BaseFormat
== GL_RGB
||
297 rb
->_BaseFormat
== GL_RGBA
) {
299 type
= GL_UNSIGNED_BYTE
;
301 else if (rb
->_BaseFormat
== GL_DEPTH_STENCIL
) {
302 format
= GL_DEPTH_STENCIL
;
303 type
= GL_UNSIGNED_INT_24_8
;
307 "Unsupported BaseFormat 0x%x in "
308 "_mesa_write_renderbuffer_image()\n",
313 buffer
= malloc(rb
->Width
* rb
->Height
* 4);
315 ctx
->Driver
.ReadPixels(ctx
, 0, 0, rb
->Width
, rb
->Height
,
316 format
, type
, &ctx
->DefaultPacking
, buffer
);
319 _mesa_snprintf(s
, sizeof(s
), "/tmp/renderbuffer%u.ppm", rb
->Name
);
320 _mesa_snprintf(s
, sizeof(s
), "C:\\renderbuffer%u.ppm", rb
->Name
);
322 printf(" Writing renderbuffer image to %s\n", s
);
324 _mesa_debug(NULL
, " Writing renderbuffer image to %s\n", s
);
326 write_ppm(s
, buffer
, rb
->Width
, rb
->Height
, 4, 0, 1, 2, GL_TRUE
);
332 /** How many texture images (mipmap levels, faces) to write to files */
337 static GLuint WriteImages
;
341 dump_texture(struct gl_texture_object
*texObj
, GLuint writeImages
)
343 const GLuint numFaces
= texObj
->Target
== GL_TEXTURE_CUBE_MAP
? 6 : 1;
344 GLboolean written
= GL_FALSE
;
347 printf("Texture %u\n", texObj
->Name
);
348 printf(" Target %s\n", tex_target_name(texObj
->Target
));
349 for (i
= 0; i
< MAX_TEXTURE_LEVELS
; i
++) {
350 for (j
= 0; j
< numFaces
; j
++) {
351 struct gl_texture_image
*texImg
= texObj
->Image
[j
][i
];
353 printf(" Face %u level %u: %d x %d x %d, format %s\n",
355 texImg
->Width
, texImg
->Height
, texImg
->Depth
,
356 _mesa_get_format_name(texImg
->TexFormat
));
357 if (writeImages
== WRITE_ALL
||
358 (writeImages
== WRITE_ONE
&& !written
)) {
359 write_texture_image(texObj
, j
, i
);
369 * Dump a single texture.
372 _mesa_dump_texture(GLuint texture
, GLuint writeImages
)
374 GET_CURRENT_CONTEXT(ctx
);
375 struct gl_texture_object
*texObj
= _mesa_lookup_texture(ctx
, texture
);
377 dump_texture(texObj
, writeImages
);
383 dump_texture_cb(GLuint id
, void *data
, void *userData
)
385 struct gl_texture_object
*texObj
= (struct gl_texture_object
*) data
;
387 dump_texture(texObj
, WriteImages
);
392 * Print basic info about all texture objext to stdout.
393 * If dumpImages is true, write PPM of level[0] image to a file.
396 _mesa_dump_textures(GLuint writeImages
)
398 GET_CURRENT_CONTEXT(ctx
);
399 WriteImages
= writeImages
;
400 _mesa_HashWalk(ctx
->Shared
->TexObjects
, dump_texture_cb
, ctx
);
405 dump_renderbuffer(const struct gl_renderbuffer
*rb
, GLboolean writeImage
)
407 printf("Renderbuffer %u: %u x %u IntFormat = %s\n",
408 rb
->Name
, rb
->Width
, rb
->Height
,
409 _mesa_lookup_enum_by_nr(rb
->InternalFormat
));
411 _mesa_write_renderbuffer_image(rb
);
417 dump_renderbuffer_cb(GLuint id
, void *data
, void *userData
)
419 const struct gl_renderbuffer
*rb
= (const struct gl_renderbuffer
*) data
;
421 dump_renderbuffer(rb
, WriteImages
);
426 * Print basic info about all renderbuffers to stdout.
427 * If dumpImages is true, write PPM of level[0] image to a file.
430 _mesa_dump_renderbuffers(GLboolean writeImages
)
432 GET_CURRENT_CONTEXT(ctx
);
433 WriteImages
= writeImages
;
434 _mesa_HashWalk(ctx
->Shared
->RenderBuffers
, dump_renderbuffer_cb
, ctx
);
440 _mesa_dump_color_buffer(const char *filename
)
442 GET_CURRENT_CONTEXT(ctx
);
443 const GLuint w
= ctx
->DrawBuffer
->Width
;
444 const GLuint h
= ctx
->DrawBuffer
->Height
;
447 buf
= malloc(w
* h
* 4);
449 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT
);
450 _mesa_PixelStorei(GL_PACK_ALIGNMENT
, 1);
451 _mesa_PixelStorei(GL_PACK_INVERT_MESA
, GL_TRUE
);
453 _mesa_ReadPixels(0, 0, w
, h
, GL_RGBA
, GL_UNSIGNED_BYTE
, buf
);
455 printf("ReadBuffer %p 0x%x DrawBuffer %p 0x%x\n",
456 (void *) ctx
->ReadBuffer
->_ColorReadBuffer
,
457 ctx
->ReadBuffer
->ColorReadBuffer
,
458 (void *) ctx
->DrawBuffer
->_ColorDrawBuffers
[0],
459 ctx
->DrawBuffer
->ColorDrawBuffer
[0]);
460 printf("Writing %d x %d color buffer to %s\n", w
, h
, filename
);
461 write_ppm(filename
, buf
, w
, h
, 4, 0, 1, 2, GL_TRUE
);
463 _mesa_PopClientAttrib();
470 _mesa_dump_depth_buffer(const char *filename
)
472 GET_CURRENT_CONTEXT(ctx
);
473 const GLuint w
= ctx
->DrawBuffer
->Width
;
474 const GLuint h
= ctx
->DrawBuffer
->Height
;
479 buf
= malloc(w
* h
* 4); /* 4 bpp */
480 buf2
= malloc(w
* h
* 3); /* 3 bpp */
482 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT
);
483 _mesa_PixelStorei(GL_PACK_ALIGNMENT
, 1);
484 _mesa_PixelStorei(GL_PACK_INVERT_MESA
, GL_TRUE
);
486 _mesa_ReadPixels(0, 0, w
, h
, GL_DEPTH_COMPONENT
, GL_UNSIGNED_INT
, buf
);
488 /* spread 24 bits of Z across R, G, B */
489 for (i
= 0; i
< w
* h
; i
++) {
490 buf2
[i
*3+0] = (buf
[i
] >> 24) & 0xff;
491 buf2
[i
*3+1] = (buf
[i
] >> 16) & 0xff;
492 buf2
[i
*3+2] = (buf
[i
] >> 8) & 0xff;
495 printf("Writing %d x %d depth buffer to %s\n", w
, h
, filename
);
496 write_ppm(filename
, buf2
, w
, h
, 3, 0, 1, 2, GL_TRUE
);
498 _mesa_PopClientAttrib();
506 _mesa_dump_stencil_buffer(const char *filename
)
508 GET_CURRENT_CONTEXT(ctx
);
509 const GLuint w
= ctx
->DrawBuffer
->Width
;
510 const GLuint h
= ctx
->DrawBuffer
->Height
;
515 buf
= malloc(w
* h
); /* 1 bpp */
516 buf2
= malloc(w
* h
* 3); /* 3 bpp */
518 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT
);
519 _mesa_PixelStorei(GL_PACK_ALIGNMENT
, 1);
520 _mesa_PixelStorei(GL_PACK_INVERT_MESA
, GL_TRUE
);
522 _mesa_ReadPixels(0, 0, w
, h
, GL_STENCIL_INDEX
, GL_UNSIGNED_BYTE
, buf
);
524 for (i
= 0; i
< w
* h
; i
++) {
525 buf2
[i
*3+0] = buf
[i
];
526 buf2
[i
*3+1] = (buf
[i
] & 127) * 2;
527 buf2
[i
*3+2] = (buf
[i
] - 128) * 2;
530 printf("Writing %d x %d stencil buffer to %s\n", w
, h
, filename
);
531 write_ppm(filename
, buf2
, w
, h
, 3, 0, 1, 2, GL_TRUE
);
533 _mesa_PopClientAttrib();
541 _mesa_dump_image(const char *filename
, const void *image
, GLuint w
, GLuint h
,
542 GLenum format
, GLenum type
)
544 GLboolean invert
= GL_TRUE
;
546 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_BYTE
) {
547 write_ppm(filename
, image
, w
, h
, 4, 0, 1, 2, invert
);
549 else if (format
== GL_BGRA
&& type
== GL_UNSIGNED_BYTE
) {
550 write_ppm(filename
, image
, w
, h
, 4, 2, 1, 0, invert
);
552 else if (format
== GL_LUMINANCE_ALPHA
&& type
== GL_UNSIGNED_BYTE
) {
553 write_ppm(filename
, image
, w
, h
, 2, 1, 0, 0, invert
);
555 else if (format
== GL_RED
&& type
== GL_UNSIGNED_BYTE
) {
556 write_ppm(filename
, image
, w
, h
, 1, 0, 0, 0, invert
);
558 else if (format
== GL_RGBA
&& type
== GL_FLOAT
) {
559 /* convert floats to ubyte */
560 GLubyte
*buf
= malloc(w
* h
* 4 * sizeof(GLubyte
));
561 const GLfloat
*f
= (const GLfloat
*) image
;
563 for (i
= 0; i
< w
* h
* 4; i
++) {
564 UNCLAMPED_FLOAT_TO_UBYTE(buf
[i
], f
[i
]);
566 write_ppm(filename
, buf
, w
, h
, 4, 0, 1, 2, invert
);
569 else if (format
== GL_RED
&& type
== GL_FLOAT
) {
570 /* convert floats to ubyte */
571 GLubyte
*buf
= malloc(w
* h
* sizeof(GLubyte
));
572 const GLfloat
*f
= (const GLfloat
*) image
;
574 for (i
= 0; i
< w
* h
; i
++) {
575 UNCLAMPED_FLOAT_TO_UBYTE(buf
[i
], f
[i
]);
577 write_ppm(filename
, buf
, w
, h
, 1, 0, 0, 0, invert
);
582 "Unsupported format 0x%x / type 0x%x in _mesa_dump_image()",
589 * Quick and dirty function to "print" a texture to stdout.
592 _mesa_print_texture(struct gl_context
*ctx
, struct gl_texture_image
*img
)
594 const GLint slice
= 0;
599 ctx
->Driver
.MapTextureImage(ctx
, img
, slice
,
600 0, 0, img
->Width
, img
->Height
, GL_MAP_READ_BIT
,
601 &data
, &srcRowStride
);
604 printf("No texture data\n");
607 /* XXX add more formats or make into a new format utility function */
608 switch (img
->TexFormat
) {
614 case MESA_FORMAT_AL88
:
615 case MESA_FORMAT_AL88_REV
:
618 case MESA_FORMAT_RGB888
:
619 case MESA_FORMAT_BGR888
:
622 case MESA_FORMAT_RGBA8888
:
623 case MESA_FORMAT_ARGB8888
:
627 _mesa_problem(NULL
, "error in PrintTexture\n");
631 for (i
= 0; i
< img
->Height
; i
++) {
632 for (j
= 0; j
< img
->Width
; j
++) {
634 printf("%02x ", data
[0]);
636 printf("%02x%02x ", data
[0], data
[1]);
638 printf("%02x%02x%02x ", data
[0], data
[1], data
[2]);
640 printf("%02x%02x%02x%02x ", data
[0], data
[1], data
[2], data
[3]);
641 data
+= (srcRowStride
- img
->Width
) * c
;
643 /* XXX use img->ImageStride here */
649 ctx
->Driver
.UnmapTextureImage(ctx
, img
, slice
);