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"
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%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_PACKUNPACK
) ? "ctx->Pack/Unpack, " : "",
92 (state
& _NEW_ARRAY
) ? "ctx->Array, " : "",
93 (state
& _NEW_RENDERMODE
) ? "ctx->RenderMode, " : "",
94 (state
& _NEW_BUFFERS
) ? "ctx->Visual, ctx->DrawBuffer,, " : "");
100 _mesa_print_tri_caps( const char *name
, GLuint flags
)
103 "%s: (0x%x) %s%s%s%s%s%s%s%s%s\n",
106 (flags
& DD_SEPARATE_SPECULAR
) ? "separate-specular, " : "",
107 (flags
& DD_TRI_LIGHT_TWOSIDE
) ? "tri-light-twoside, " : "",
108 (flags
& DD_TRI_UNFILLED
) ? "tri-unfilled, " : "",
109 (flags
& DD_TRI_STIPPLE
) ? "tri-stipple, " : "",
110 (flags
& DD_TRI_OFFSET
) ? "tri-offset, " : "",
111 (flags
& DD_TRI_SMOOTH
) ? "tri-smooth, " : "",
112 (flags
& DD_LINE_STIPPLE
) ? "line-stipple, " : "",
113 (flags
& DD_POINT_SMOOTH
) ? "point-smooth, " : "",
114 (flags
& DD_POINT_ATTEN
) ? "point-atten, " : ""
120 * Print information about this Mesa version and build options.
122 void _mesa_print_info( void )
124 _mesa_debug(NULL
, "Mesa GL_VERSION = %s\n",
125 (char *) _mesa_GetString(GL_VERSION
));
126 _mesa_debug(NULL
, "Mesa GL_RENDERER = %s\n",
127 (char *) _mesa_GetString(GL_RENDERER
));
128 _mesa_debug(NULL
, "Mesa GL_VENDOR = %s\n",
129 (char *) _mesa_GetString(GL_VENDOR
));
130 _mesa_debug(NULL
, "Mesa GL_EXTENSIONS = %s\n",
131 (char *) _mesa_GetString(GL_EXTENSIONS
));
133 _mesa_debug(NULL
, "Mesa thread-safe: YES\n");
135 _mesa_debug(NULL
, "Mesa thread-safe: NO\n");
137 #if defined(USE_X86_ASM)
138 _mesa_debug(NULL
, "Mesa x86-optimized: YES\n");
140 _mesa_debug(NULL
, "Mesa x86-optimized: NO\n");
142 #if defined(USE_SPARC_ASM)
143 _mesa_debug(NULL
, "Mesa sparc-optimized: YES\n");
145 _mesa_debug(NULL
, "Mesa sparc-optimized: NO\n");
151 * Set verbose logging flags. When these flags are set, GL API calls
152 * in the various categories will be printed to stderr.
153 * \param str a comma-separated list of keywords
156 set_verbose_flags(const char *str
)
163 static const struct option opts
[] = {
164 { "varray", VERBOSE_VARRAY
},
165 { "tex", VERBOSE_TEXTURE
},
166 { "mat", VERBOSE_MATERIAL
},
167 { "pipe", VERBOSE_PIPELINE
},
168 { "driver", VERBOSE_DRIVER
},
169 { "state", VERBOSE_STATE
},
170 { "api", VERBOSE_API
},
171 { "list", VERBOSE_DISPLAY_LIST
},
172 { "lighting", VERBOSE_LIGHTING
},
173 { "disassem", VERBOSE_DISASSEM
},
174 { "draw", VERBOSE_DRAW
},
175 { "swap", VERBOSE_SWAPBUFFERS
}
183 for (i
= 0; i
< Elements(opts
); i
++) {
184 if (strstr(str
, opts
[i
].name
) || strcmp(str
, "all") == 0)
185 MESA_VERBOSE
|= opts
[i
].flag
;
192 * Set debugging flags. When these flags are set, Mesa will do additional
193 * debug checks or actions.
194 * \param str a comma-separated list of keywords
197 set_debug_flags(const char *str
)
204 static const struct option opts
[] = {
205 { "silent", DEBUG_SILENT
}, /* turn off debug messages */
206 { "flush", DEBUG_ALWAYS_FLUSH
}, /* flush after each drawing command */
207 { "incomplete_tex", DEBUG_INCOMPLETE_TEXTURE
},
208 { "incomplete_fbo", DEBUG_INCOMPLETE_FBO
}
215 MESA_DEBUG_FLAGS
= 0x0;
216 for (i
= 0; i
< Elements(opts
); i
++) {
217 if (strstr(str
, opts
[i
].name
))
218 MESA_DEBUG_FLAGS
|= opts
[i
].flag
;
225 * Initialize debugging variables from env vars.
228 _mesa_init_debug( struct gl_context
*ctx
)
230 set_debug_flags(_mesa_getenv("MESA_DEBUG"));
231 set_verbose_flags(_mesa_getenv("MESA_VERBOSE"));
239 write_ppm(const char *filename
, const GLubyte
*buffer
, int width
, int height
,
240 int comps
, int rcomp
, int gcomp
, int bcomp
, GLboolean invert
)
242 FILE *f
= fopen( filename
, "w" );
245 const GLubyte
*ptr
= buffer
;
247 fprintf(f
,"# ppm-file created by osdemo.c\n");
248 fprintf(f
,"%i %i\n", width
,height
);
251 f
= fopen( filename
, "ab" ); /* reopen in binary append mode */
252 for (y
=0; y
< height
; y
++) {
253 for (x
= 0; x
< width
; x
++) {
254 int yy
= invert
? (height
- 1 - y
) : y
;
255 int i
= (yy
* width
+ x
) * comps
;
256 fputc(ptr
[i
+rcomp
], f
); /* write red */
257 fputc(ptr
[i
+gcomp
], f
); /* write green */
258 fputc(ptr
[i
+bcomp
], f
); /* write blue */
264 fprintf(stderr
, "Unable to create %s in write_ppm()\n", filename
);
270 * Write a texture image to a ppm file.
271 * \param face cube face in [0,5]
272 * \param level mipmap level
275 write_texture_image(struct gl_texture_object
*texObj
,
276 GLuint face
, GLuint level
)
278 struct gl_texture_image
*img
= texObj
->Image
[face
][level
];
280 GET_CURRENT_CONTEXT(ctx
);
281 struct gl_pixelstore_attrib store
;
285 buffer
= malloc(img
->Width
* img
->Height
288 store
= ctx
->Pack
; /* save */
289 ctx
->Pack
= ctx
->DefaultPacking
;
291 ctx
->Driver
.GetTexImage(ctx
, GL_RGBA
, GL_UNSIGNED_BYTE
, buffer
, img
);
294 _mesa_snprintf(s
, sizeof(s
), "/tmp/tex%u.l%u.f%u.ppm", texObj
->Name
, level
, face
);
296 printf(" Writing image level %u to %s\n", level
, s
);
297 write_ppm(s
, buffer
, img
->Width
, img
->Height
, 4, 0, 1, 2, GL_FALSE
);
299 ctx
->Pack
= store
; /* restore */
307 * Write renderbuffer image to a ppm file.
310 _mesa_write_renderbuffer_image(const struct gl_renderbuffer
*rb
)
312 GET_CURRENT_CONTEXT(ctx
);
317 if (rb
->_BaseFormat
== GL_RGB
||
318 rb
->_BaseFormat
== GL_RGBA
) {
320 type
= GL_UNSIGNED_BYTE
;
322 else if (rb
->_BaseFormat
== GL_DEPTH_STENCIL
) {
323 format
= GL_DEPTH_STENCIL
;
324 type
= GL_UNSIGNED_INT_24_8
;
328 "Unsupported BaseFormat 0x%x in "
329 "_mesa_write_renderbuffer_image()\n",
334 buffer
= malloc(rb
->Width
* rb
->Height
* 4);
336 ctx
->Driver
.ReadPixels(ctx
, 0, 0, rb
->Width
, rb
->Height
,
337 format
, type
, &ctx
->DefaultPacking
, buffer
);
340 _mesa_snprintf(s
, sizeof(s
), "/tmp/renderbuffer%u.ppm", rb
->Name
);
341 _mesa_snprintf(s
, sizeof(s
), "C:\\renderbuffer%u.ppm", rb
->Name
);
343 printf(" Writing renderbuffer image to %s\n", s
);
345 _mesa_debug(NULL
, " Writing renderbuffer image to %s\n", s
);
347 write_ppm(s
, buffer
, rb
->Width
, rb
->Height
, 4, 0, 1, 2, GL_TRUE
);
353 /** How many texture images (mipmap levels, faces) to write to files */
358 static GLuint WriteImages
;
362 dump_texture(struct gl_texture_object
*texObj
, GLuint writeImages
)
364 const GLuint numFaces
= texObj
->Target
== GL_TEXTURE_CUBE_MAP
? 6 : 1;
365 GLboolean written
= GL_FALSE
;
368 printf("Texture %u\n", texObj
->Name
);
369 printf(" Target %s\n", tex_target_name(texObj
->Target
));
370 for (i
= 0; i
< MAX_TEXTURE_LEVELS
; i
++) {
371 for (j
= 0; j
< numFaces
; j
++) {
372 struct gl_texture_image
*texImg
= texObj
->Image
[j
][i
];
374 printf(" Face %u level %u: %d x %d x %d, format %s\n",
376 texImg
->Width
, texImg
->Height
, texImg
->Depth
,
377 _mesa_get_format_name(texImg
->TexFormat
));
378 if (writeImages
== WRITE_ALL
||
379 (writeImages
== WRITE_ONE
&& !written
)) {
380 write_texture_image(texObj
, j
, i
);
390 * Dump a single texture.
393 _mesa_dump_texture(GLuint texture
, GLuint writeImages
)
395 GET_CURRENT_CONTEXT(ctx
);
396 struct gl_texture_object
*texObj
= _mesa_lookup_texture(ctx
, texture
);
398 dump_texture(texObj
, writeImages
);
404 dump_texture_cb(GLuint id
, void *data
, void *userData
)
406 struct gl_texture_object
*texObj
= (struct gl_texture_object
*) data
;
408 dump_texture(texObj
, WriteImages
);
413 * Print basic info about all texture objext to stdout.
414 * If dumpImages is true, write PPM of level[0] image to a file.
417 _mesa_dump_textures(GLuint writeImages
)
419 GET_CURRENT_CONTEXT(ctx
);
420 WriteImages
= writeImages
;
421 _mesa_HashWalk(ctx
->Shared
->TexObjects
, dump_texture_cb
, ctx
);
426 dump_renderbuffer(const struct gl_renderbuffer
*rb
, GLboolean writeImage
)
428 printf("Renderbuffer %u: %u x %u IntFormat = %s\n",
429 rb
->Name
, rb
->Width
, rb
->Height
,
430 _mesa_lookup_enum_by_nr(rb
->InternalFormat
));
432 _mesa_write_renderbuffer_image(rb
);
438 dump_renderbuffer_cb(GLuint id
, void *data
, void *userData
)
440 const struct gl_renderbuffer
*rb
= (const struct gl_renderbuffer
*) data
;
442 dump_renderbuffer(rb
, WriteImages
);
447 * Print basic info about all renderbuffers to stdout.
448 * If dumpImages is true, write PPM of level[0] image to a file.
451 _mesa_dump_renderbuffers(GLboolean writeImages
)
453 GET_CURRENT_CONTEXT(ctx
);
454 WriteImages
= writeImages
;
455 _mesa_HashWalk(ctx
->Shared
->RenderBuffers
, dump_renderbuffer_cb
, ctx
);
461 _mesa_dump_color_buffer(const char *filename
)
463 GET_CURRENT_CONTEXT(ctx
);
464 const GLuint w
= ctx
->DrawBuffer
->Width
;
465 const GLuint h
= ctx
->DrawBuffer
->Height
;
468 buf
= malloc(w
* h
* 4);
470 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT
);
471 _mesa_PixelStorei(GL_PACK_ALIGNMENT
, 1);
472 _mesa_PixelStorei(GL_PACK_INVERT_MESA
, GL_TRUE
);
474 _mesa_ReadPixels(0, 0, w
, h
, GL_RGBA
, GL_UNSIGNED_BYTE
, buf
);
476 printf("ReadBuffer %p 0x%x DrawBuffer %p 0x%x\n",
477 (void *) ctx
->ReadBuffer
->_ColorReadBuffer
,
478 ctx
->ReadBuffer
->ColorReadBuffer
,
479 (void *) ctx
->DrawBuffer
->_ColorDrawBuffers
[0],
480 ctx
->DrawBuffer
->ColorDrawBuffer
[0]);
481 printf("Writing %d x %d color buffer to %s\n", w
, h
, filename
);
482 write_ppm(filename
, buf
, w
, h
, 4, 0, 1, 2, GL_TRUE
);
484 _mesa_PopClientAttrib();
491 _mesa_dump_depth_buffer(const char *filename
)
493 GET_CURRENT_CONTEXT(ctx
);
494 const GLuint w
= ctx
->DrawBuffer
->Width
;
495 const GLuint h
= ctx
->DrawBuffer
->Height
;
500 buf
= malloc(w
* h
* 4); /* 4 bpp */
501 buf2
= malloc(w
* h
* 3); /* 3 bpp */
503 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT
);
504 _mesa_PixelStorei(GL_PACK_ALIGNMENT
, 1);
505 _mesa_PixelStorei(GL_PACK_INVERT_MESA
, GL_TRUE
);
507 _mesa_ReadPixels(0, 0, w
, h
, GL_DEPTH_COMPONENT
, GL_UNSIGNED_INT
, buf
);
509 /* spread 24 bits of Z across R, G, B */
510 for (i
= 0; i
< w
* h
; i
++) {
511 buf2
[i
*3+0] = (buf
[i
] >> 24) & 0xff;
512 buf2
[i
*3+1] = (buf
[i
] >> 16) & 0xff;
513 buf2
[i
*3+2] = (buf
[i
] >> 8) & 0xff;
516 printf("Writing %d x %d depth buffer to %s\n", w
, h
, filename
);
517 write_ppm(filename
, buf2
, w
, h
, 3, 0, 1, 2, GL_TRUE
);
519 _mesa_PopClientAttrib();
527 _mesa_dump_stencil_buffer(const char *filename
)
529 GET_CURRENT_CONTEXT(ctx
);
530 const GLuint w
= ctx
->DrawBuffer
->Width
;
531 const GLuint h
= ctx
->DrawBuffer
->Height
;
536 buf
= malloc(w
* h
); /* 1 bpp */
537 buf2
= malloc(w
* h
* 3); /* 3 bpp */
539 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT
);
540 _mesa_PixelStorei(GL_PACK_ALIGNMENT
, 1);
541 _mesa_PixelStorei(GL_PACK_INVERT_MESA
, GL_TRUE
);
543 _mesa_ReadPixels(0, 0, w
, h
, GL_STENCIL_INDEX
, GL_UNSIGNED_BYTE
, buf
);
545 for (i
= 0; i
< w
* h
; i
++) {
546 buf2
[i
*3+0] = buf
[i
];
547 buf2
[i
*3+1] = (buf
[i
] & 127) * 2;
548 buf2
[i
*3+2] = (buf
[i
] - 128) * 2;
551 printf("Writing %d x %d stencil buffer to %s\n", w
, h
, filename
);
552 write_ppm(filename
, buf2
, w
, h
, 3, 0, 1, 2, GL_TRUE
);
554 _mesa_PopClientAttrib();
562 _mesa_dump_image(const char *filename
, const void *image
, GLuint w
, GLuint h
,
563 GLenum format
, GLenum type
)
565 GLboolean invert
= GL_TRUE
;
567 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_BYTE
) {
568 write_ppm(filename
, image
, w
, h
, 4, 0, 1, 2, invert
);
570 else if (format
== GL_BGRA
&& type
== GL_UNSIGNED_BYTE
) {
571 write_ppm(filename
, image
, w
, h
, 4, 2, 1, 0, invert
);
573 else if (format
== GL_LUMINANCE_ALPHA
&& type
== GL_UNSIGNED_BYTE
) {
574 write_ppm(filename
, image
, w
, h
, 2, 1, 0, 0, invert
);
576 else if (format
== GL_RED
&& type
== GL_UNSIGNED_BYTE
) {
577 write_ppm(filename
, image
, w
, h
, 1, 0, 0, 0, invert
);
579 else if (format
== GL_RGBA
&& type
== GL_FLOAT
) {
580 /* convert floats to ubyte */
581 GLubyte
*buf
= malloc(w
* h
* 4 * sizeof(GLubyte
));
582 const GLfloat
*f
= (const GLfloat
*) image
;
584 for (i
= 0; i
< w
* h
* 4; i
++) {
585 UNCLAMPED_FLOAT_TO_UBYTE(buf
[i
], f
[i
]);
587 write_ppm(filename
, buf
, w
, h
, 4, 0, 1, 2, invert
);
590 else if (format
== GL_RED
&& type
== GL_FLOAT
) {
591 /* convert floats to ubyte */
592 GLubyte
*buf
= malloc(w
* h
* sizeof(GLubyte
));
593 const GLfloat
*f
= (const GLfloat
*) image
;
595 for (i
= 0; i
< w
* h
; i
++) {
596 UNCLAMPED_FLOAT_TO_UBYTE(buf
[i
], f
[i
]);
598 write_ppm(filename
, buf
, w
, h
, 1, 0, 0, 0, invert
);
603 "Unsupported format 0x%x / type 0x%x in _mesa_dump_image()",
610 * Quick and dirty function to "print" a texture to stdout.
613 _mesa_print_texture(struct gl_context
*ctx
, struct gl_texture_image
*img
)
615 const GLint slice
= 0;
620 ctx
->Driver
.MapTextureImage(ctx
, img
, slice
,
621 0, 0, img
->Width
, img
->Height
, GL_MAP_READ_BIT
,
622 &data
, &srcRowStride
);
625 printf("No texture data\n");
628 /* XXX add more formats or make into a new format utility function */
629 switch (img
->TexFormat
) {
635 case MESA_FORMAT_AL88
:
636 case MESA_FORMAT_AL88_REV
:
639 case MESA_FORMAT_RGB888
:
640 case MESA_FORMAT_BGR888
:
643 case MESA_FORMAT_RGBA8888
:
644 case MESA_FORMAT_ARGB8888
:
648 _mesa_problem(NULL
, "error in PrintTexture\n");
652 for (i
= 0; i
< img
->Height
; i
++) {
653 for (j
= 0; j
< img
->Width
; j
++) {
655 printf("%02x ", data
[0]);
657 printf("%02x%02x ", data
[0], data
[1]);
659 printf("%02x%02x%02x ", data
[0], data
[1], data
[2]);
661 printf("%02x%02x%02x%02x ", data
[0], data
[1], data
[2], data
[3]);
662 data
+= (srcRowStride
- img
->Width
) * c
;
664 /* XXX use img->ImageStride here */
670 ctx
->Driver
.UnmapTextureImage(ctx
, img
, slice
);