2 * Mesa 3-D graphics library
4 * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
5 * Copyright (C) 2009 VMware, Inc. All Rights Reserved.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * 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_CUBE_MAP_ARRAY
, "GL_TEXTURE_CUBE_MAP_ARRAY" },
55 { GL_TEXTURE_BUFFER
, "GL_TEXTURE_BUFFER" },
56 { GL_TEXTURE_2D_MULTISAMPLE
, "GL_TEXTURE_2D_MULTISAMPLE" },
57 { GL_TEXTURE_2D_MULTISAMPLE_ARRAY
, "GL_TEXTURE_2D_MULTISAMPLE_ARRAY" },
58 { GL_TEXTURE_EXTERNAL_OES
, "GL_TEXTURE_EXTERNAL_OES" }
61 STATIC_ASSERT(Elements(tex_targets
) == NUM_TEXTURE_TARGETS
);
62 for (i
= 0; i
< Elements(tex_targets
); i
++) {
63 if (tex_targets
[i
].target
== tgt
)
64 return tex_targets
[i
].name
;
66 return "UNKNOWN TEX TARGET";
71 _mesa_print_state( const char *msg
, GLuint state
)
74 "%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",
77 (state
& _NEW_MODELVIEW
) ? "ctx->ModelView, " : "",
78 (state
& _NEW_PROJECTION
) ? "ctx->Projection, " : "",
79 (state
& _NEW_TEXTURE_MATRIX
) ? "ctx->TextureMatrix, " : "",
80 (state
& _NEW_COLOR
) ? "ctx->Color, " : "",
81 (state
& _NEW_DEPTH
) ? "ctx->Depth, " : "",
82 (state
& _NEW_EVAL
) ? "ctx->Eval/EvalMap, " : "",
83 (state
& _NEW_FOG
) ? "ctx->Fog, " : "",
84 (state
& _NEW_HINT
) ? "ctx->Hint, " : "",
85 (state
& _NEW_LIGHT
) ? "ctx->Light, " : "",
86 (state
& _NEW_LINE
) ? "ctx->Line, " : "",
87 (state
& _NEW_PIXEL
) ? "ctx->Pixel, " : "",
88 (state
& _NEW_POINT
) ? "ctx->Point, " : "",
89 (state
& _NEW_POLYGON
) ? "ctx->Polygon, " : "",
90 (state
& _NEW_POLYGONSTIPPLE
) ? "ctx->PolygonStipple, " : "",
91 (state
& _NEW_SCISSOR
) ? "ctx->Scissor, " : "",
92 (state
& _NEW_STENCIL
) ? "ctx->Stencil, " : "",
93 (state
& _NEW_TEXTURE
) ? "ctx->Texture, " : "",
94 (state
& _NEW_TRANSFORM
) ? "ctx->Transform, " : "",
95 (state
& _NEW_VIEWPORT
) ? "ctx->Viewport, " : "",
96 (state
& _NEW_ARRAY
) ? "ctx->Array, " : "",
97 (state
& _NEW_RENDERMODE
) ? "ctx->RenderMode, " : "",
98 (state
& _NEW_BUFFERS
) ? "ctx->Visual, ctx->DrawBuffer,, " : "");
104 * Print information about this Mesa version and build options.
106 void _mesa_print_info( struct gl_context
*ctx
)
108 _mesa_debug(NULL
, "Mesa GL_VERSION = %s\n",
109 (char *) _mesa_GetString(GL_VERSION
));
110 _mesa_debug(NULL
, "Mesa GL_RENDERER = %s\n",
111 (char *) _mesa_GetString(GL_RENDERER
));
112 _mesa_debug(NULL
, "Mesa GL_VENDOR = %s\n",
113 (char *) _mesa_GetString(GL_VENDOR
));
115 /* use ctx as GL_EXTENSIONS will not work on 3.0 or higher
118 _mesa_debug(NULL
, "Mesa GL_EXTENSIONS = %s\n", ctx
->Extensions
.String
);
121 _mesa_debug(NULL
, "Mesa thread-safe: YES\n");
123 _mesa_debug(NULL
, "Mesa thread-safe: NO\n");
125 #if defined(USE_X86_ASM)
126 _mesa_debug(NULL
, "Mesa x86-optimized: YES\n");
128 _mesa_debug(NULL
, "Mesa x86-optimized: NO\n");
130 #if defined(USE_SPARC_ASM)
131 _mesa_debug(NULL
, "Mesa sparc-optimized: YES\n");
133 _mesa_debug(NULL
, "Mesa sparc-optimized: NO\n");
139 * Set verbose logging flags. When these flags are set, GL API calls
140 * in the various categories will be printed to stderr.
141 * \param str a comma-separated list of keywords
144 set_verbose_flags(const char *str
)
151 static const struct option opts
[] = {
152 { "varray", VERBOSE_VARRAY
},
153 { "tex", VERBOSE_TEXTURE
},
154 { "mat", VERBOSE_MATERIAL
},
155 { "pipe", VERBOSE_PIPELINE
},
156 { "driver", VERBOSE_DRIVER
},
157 { "state", VERBOSE_STATE
},
158 { "api", VERBOSE_API
},
159 { "list", VERBOSE_DISPLAY_LIST
},
160 { "lighting", VERBOSE_LIGHTING
},
161 { "disassem", VERBOSE_DISASSEM
},
162 { "draw", VERBOSE_DRAW
},
163 { "swap", VERBOSE_SWAPBUFFERS
}
171 for (i
= 0; i
< Elements(opts
); i
++) {
172 if (strstr(str
, opts
[i
].name
) || strcmp(str
, "all") == 0)
173 MESA_VERBOSE
|= opts
[i
].flag
;
180 * Set debugging flags. When these flags are set, Mesa will do additional
181 * debug checks or actions.
182 * \param str a comma-separated list of keywords
185 set_debug_flags(const char *str
)
192 static const struct option opts
[] = {
193 { "silent", DEBUG_SILENT
}, /* turn off debug messages */
194 { "flush", DEBUG_ALWAYS_FLUSH
}, /* flush after each drawing command */
195 { "incomplete_tex", DEBUG_INCOMPLETE_TEXTURE
},
196 { "incomplete_fbo", DEBUG_INCOMPLETE_FBO
}
203 MESA_DEBUG_FLAGS
= 0x0;
204 for (i
= 0; i
< Elements(opts
); i
++) {
205 if (strstr(str
, opts
[i
].name
))
206 MESA_DEBUG_FLAGS
|= opts
[i
].flag
;
213 * Initialize debugging variables from env vars.
216 _mesa_init_debug( struct gl_context
*ctx
)
218 set_debug_flags(_mesa_getenv("MESA_DEBUG"));
219 set_verbose_flags(_mesa_getenv("MESA_VERBOSE"));
227 write_ppm(const char *filename
, const GLubyte
*buffer
, int width
, int height
,
228 int comps
, int rcomp
, int gcomp
, int bcomp
, GLboolean invert
)
230 FILE *f
= fopen( filename
, "w" );
233 const GLubyte
*ptr
= buffer
;
235 fprintf(f
,"# ppm-file created by osdemo.c\n");
236 fprintf(f
,"%i %i\n", width
,height
);
239 f
= fopen( filename
, "ab" ); /* reopen in binary append mode */
240 for (y
=0; y
< height
; y
++) {
241 for (x
= 0; x
< width
; x
++) {
242 int yy
= invert
? (height
- 1 - y
) : y
;
243 int i
= (yy
* width
+ x
) * comps
;
244 fputc(ptr
[i
+rcomp
], f
); /* write red */
245 fputc(ptr
[i
+gcomp
], f
); /* write green */
246 fputc(ptr
[i
+bcomp
], f
); /* write blue */
252 fprintf(stderr
, "Unable to create %s in write_ppm()\n", filename
);
258 * Write a texture image to a ppm file.
259 * \param face cube face in [0,5]
260 * \param level mipmap level
263 write_texture_image(struct gl_texture_object
*texObj
,
264 GLuint face
, GLuint level
)
266 struct gl_texture_image
*img
= texObj
->Image
[face
][level
];
268 GET_CURRENT_CONTEXT(ctx
);
269 struct gl_pixelstore_attrib store
;
273 buffer
= malloc(img
->Width
* img
->Height
276 store
= ctx
->Pack
; /* save */
277 ctx
->Pack
= ctx
->DefaultPacking
;
279 ctx
->Driver
.GetTexImage(ctx
, GL_RGBA
, GL_UNSIGNED_BYTE
, buffer
, img
);
282 _mesa_snprintf(s
, sizeof(s
), "/tmp/tex%u.l%u.f%u.ppm", texObj
->Name
, level
, face
);
284 printf(" Writing image level %u to %s\n", level
, s
);
285 write_ppm(s
, buffer
, img
->Width
, img
->Height
, 4, 0, 1, 2, GL_FALSE
);
287 ctx
->Pack
= store
; /* restore */
295 * Write renderbuffer image to a ppm file.
298 _mesa_write_renderbuffer_image(const struct gl_renderbuffer
*rb
)
300 GET_CURRENT_CONTEXT(ctx
);
305 if (rb
->_BaseFormat
== GL_RGB
||
306 rb
->_BaseFormat
== GL_RGBA
) {
308 type
= GL_UNSIGNED_BYTE
;
310 else if (rb
->_BaseFormat
== GL_DEPTH_STENCIL
) {
311 format
= GL_DEPTH_STENCIL
;
312 type
= GL_UNSIGNED_INT_24_8
;
316 "Unsupported BaseFormat 0x%x in "
317 "_mesa_write_renderbuffer_image()\n",
322 buffer
= malloc(rb
->Width
* rb
->Height
* 4);
324 ctx
->Driver
.ReadPixels(ctx
, 0, 0, rb
->Width
, rb
->Height
,
325 format
, type
, &ctx
->DefaultPacking
, buffer
);
328 _mesa_snprintf(s
, sizeof(s
), "/tmp/renderbuffer%u.ppm", rb
->Name
);
329 _mesa_snprintf(s
, sizeof(s
), "C:\\renderbuffer%u.ppm", rb
->Name
);
331 printf(" Writing renderbuffer image to %s\n", s
);
333 _mesa_debug(NULL
, " Writing renderbuffer image to %s\n", s
);
335 write_ppm(s
, buffer
, rb
->Width
, rb
->Height
, 4, 0, 1, 2, GL_TRUE
);
341 /** How many texture images (mipmap levels, faces) to write to files */
346 static GLuint WriteImages
;
350 dump_texture(struct gl_texture_object
*texObj
, GLuint writeImages
)
352 const GLuint numFaces
= texObj
->Target
== GL_TEXTURE_CUBE_MAP
? 6 : 1;
353 GLboolean written
= GL_FALSE
;
356 printf("Texture %u\n", texObj
->Name
);
357 printf(" Target %s\n", tex_target_name(texObj
->Target
));
358 for (i
= 0; i
< MAX_TEXTURE_LEVELS
; i
++) {
359 for (j
= 0; j
< numFaces
; j
++) {
360 struct gl_texture_image
*texImg
= texObj
->Image
[j
][i
];
362 printf(" Face %u level %u: %d x %d x %d, format %s\n",
364 texImg
->Width
, texImg
->Height
, texImg
->Depth
,
365 _mesa_get_format_name(texImg
->TexFormat
));
366 if (writeImages
== WRITE_ALL
||
367 (writeImages
== WRITE_ONE
&& !written
)) {
368 write_texture_image(texObj
, j
, i
);
378 * Dump a single texture.
381 _mesa_dump_texture(GLuint texture
, GLuint writeImages
)
383 GET_CURRENT_CONTEXT(ctx
);
384 struct gl_texture_object
*texObj
= _mesa_lookup_texture(ctx
, texture
);
386 dump_texture(texObj
, writeImages
);
392 dump_texture_cb(GLuint id
, void *data
, void *userData
)
394 struct gl_texture_object
*texObj
= (struct gl_texture_object
*) data
;
396 dump_texture(texObj
, WriteImages
);
401 * Print basic info about all texture objext to stdout.
402 * If dumpImages is true, write PPM of level[0] image to a file.
405 _mesa_dump_textures(GLuint writeImages
)
407 GET_CURRENT_CONTEXT(ctx
);
408 WriteImages
= writeImages
;
409 _mesa_HashWalk(ctx
->Shared
->TexObjects
, dump_texture_cb
, ctx
);
414 dump_renderbuffer(const struct gl_renderbuffer
*rb
, GLboolean writeImage
)
416 printf("Renderbuffer %u: %u x %u IntFormat = %s\n",
417 rb
->Name
, rb
->Width
, rb
->Height
,
418 _mesa_lookup_enum_by_nr(rb
->InternalFormat
));
420 _mesa_write_renderbuffer_image(rb
);
426 dump_renderbuffer_cb(GLuint id
, void *data
, void *userData
)
428 const struct gl_renderbuffer
*rb
= (const struct gl_renderbuffer
*) data
;
430 dump_renderbuffer(rb
, WriteImages
);
435 * Print basic info about all renderbuffers to stdout.
436 * If dumpImages is true, write PPM of level[0] image to a file.
439 _mesa_dump_renderbuffers(GLboolean writeImages
)
441 GET_CURRENT_CONTEXT(ctx
);
442 WriteImages
= writeImages
;
443 _mesa_HashWalk(ctx
->Shared
->RenderBuffers
, dump_renderbuffer_cb
, ctx
);
449 _mesa_dump_color_buffer(const char *filename
)
451 GET_CURRENT_CONTEXT(ctx
);
452 const GLuint w
= ctx
->DrawBuffer
->Width
;
453 const GLuint h
= ctx
->DrawBuffer
->Height
;
456 buf
= malloc(w
* h
* 4);
458 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT
);
459 _mesa_PixelStorei(GL_PACK_ALIGNMENT
, 1);
460 _mesa_PixelStorei(GL_PACK_INVERT_MESA
, GL_TRUE
);
462 _mesa_ReadPixels(0, 0, w
, h
, GL_RGBA
, GL_UNSIGNED_BYTE
, buf
);
464 printf("ReadBuffer %p 0x%x DrawBuffer %p 0x%x\n",
465 (void *) ctx
->ReadBuffer
->_ColorReadBuffer
,
466 ctx
->ReadBuffer
->ColorReadBuffer
,
467 (void *) ctx
->DrawBuffer
->_ColorDrawBuffers
[0],
468 ctx
->DrawBuffer
->ColorDrawBuffer
[0]);
469 printf("Writing %d x %d color buffer to %s\n", w
, h
, filename
);
470 write_ppm(filename
, buf
, w
, h
, 4, 0, 1, 2, GL_TRUE
);
472 _mesa_PopClientAttrib();
479 _mesa_dump_depth_buffer(const char *filename
)
481 GET_CURRENT_CONTEXT(ctx
);
482 const GLuint w
= ctx
->DrawBuffer
->Width
;
483 const GLuint h
= ctx
->DrawBuffer
->Height
;
488 buf
= malloc(w
* h
* 4); /* 4 bpp */
489 buf2
= malloc(w
* h
* 3); /* 3 bpp */
491 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT
);
492 _mesa_PixelStorei(GL_PACK_ALIGNMENT
, 1);
493 _mesa_PixelStorei(GL_PACK_INVERT_MESA
, GL_TRUE
);
495 _mesa_ReadPixels(0, 0, w
, h
, GL_DEPTH_COMPONENT
, GL_UNSIGNED_INT
, buf
);
497 /* spread 24 bits of Z across R, G, B */
498 for (i
= 0; i
< w
* h
; i
++) {
499 buf2
[i
*3+0] = (buf
[i
] >> 24) & 0xff;
500 buf2
[i
*3+1] = (buf
[i
] >> 16) & 0xff;
501 buf2
[i
*3+2] = (buf
[i
] >> 8) & 0xff;
504 printf("Writing %d x %d depth buffer to %s\n", w
, h
, filename
);
505 write_ppm(filename
, buf2
, w
, h
, 3, 0, 1, 2, GL_TRUE
);
507 _mesa_PopClientAttrib();
515 _mesa_dump_stencil_buffer(const char *filename
)
517 GET_CURRENT_CONTEXT(ctx
);
518 const GLuint w
= ctx
->DrawBuffer
->Width
;
519 const GLuint h
= ctx
->DrawBuffer
->Height
;
524 buf
= malloc(w
* h
); /* 1 bpp */
525 buf2
= malloc(w
* h
* 3); /* 3 bpp */
527 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT
);
528 _mesa_PixelStorei(GL_PACK_ALIGNMENT
, 1);
529 _mesa_PixelStorei(GL_PACK_INVERT_MESA
, GL_TRUE
);
531 _mesa_ReadPixels(0, 0, w
, h
, GL_STENCIL_INDEX
, GL_UNSIGNED_BYTE
, buf
);
533 for (i
= 0; i
< w
* h
; i
++) {
534 buf2
[i
*3+0] = buf
[i
];
535 buf2
[i
*3+1] = (buf
[i
] & 127) * 2;
536 buf2
[i
*3+2] = (buf
[i
] - 128) * 2;
539 printf("Writing %d x %d stencil buffer to %s\n", w
, h
, filename
);
540 write_ppm(filename
, buf2
, w
, h
, 3, 0, 1, 2, GL_TRUE
);
542 _mesa_PopClientAttrib();
550 _mesa_dump_image(const char *filename
, const void *image
, GLuint w
, GLuint h
,
551 GLenum format
, GLenum type
)
553 GLboolean invert
= GL_TRUE
;
555 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_BYTE
) {
556 write_ppm(filename
, image
, w
, h
, 4, 0, 1, 2, invert
);
558 else if (format
== GL_BGRA
&& type
== GL_UNSIGNED_BYTE
) {
559 write_ppm(filename
, image
, w
, h
, 4, 2, 1, 0, invert
);
561 else if (format
== GL_LUMINANCE_ALPHA
&& type
== GL_UNSIGNED_BYTE
) {
562 write_ppm(filename
, image
, w
, h
, 2, 1, 0, 0, invert
);
564 else if (format
== GL_RED
&& type
== GL_UNSIGNED_BYTE
) {
565 write_ppm(filename
, image
, w
, h
, 1, 0, 0, 0, invert
);
567 else if (format
== GL_RGBA
&& type
== GL_FLOAT
) {
568 /* convert floats to ubyte */
569 GLubyte
*buf
= malloc(w
* h
* 4 * sizeof(GLubyte
));
570 const GLfloat
*f
= (const GLfloat
*) image
;
572 for (i
= 0; i
< w
* h
* 4; i
++) {
573 UNCLAMPED_FLOAT_TO_UBYTE(buf
[i
], f
[i
]);
575 write_ppm(filename
, buf
, w
, h
, 4, 0, 1, 2, invert
);
578 else if (format
== GL_RED
&& type
== GL_FLOAT
) {
579 /* convert floats to ubyte */
580 GLubyte
*buf
= malloc(w
* h
* sizeof(GLubyte
));
581 const GLfloat
*f
= (const GLfloat
*) image
;
583 for (i
= 0; i
< w
* h
; i
++) {
584 UNCLAMPED_FLOAT_TO_UBYTE(buf
[i
], f
[i
]);
586 write_ppm(filename
, buf
, w
, h
, 1, 0, 0, 0, invert
);
591 "Unsupported format 0x%x / type 0x%x in _mesa_dump_image()",
598 * Quick and dirty function to "print" a texture to stdout.
601 _mesa_print_texture(struct gl_context
*ctx
, struct gl_texture_image
*img
)
603 const GLint slice
= 0;
608 ctx
->Driver
.MapTextureImage(ctx
, img
, slice
,
609 0, 0, img
->Width
, img
->Height
, GL_MAP_READ_BIT
,
610 &data
, &srcRowStride
);
613 printf("No texture data\n");
616 /* XXX add more formats or make into a new format utility function */
617 switch (img
->TexFormat
) {
618 case MESA_FORMAT_A_UNORM8
:
619 case MESA_FORMAT_L_UNORM8
:
620 case MESA_FORMAT_I_UNORM8
:
623 case MESA_FORMAT_L8A8_UNORM
:
624 case MESA_FORMAT_A8L8_UNORM
:
627 case MESA_FORMAT_BGR_UNORM8
:
628 case MESA_FORMAT_RGB_UNORM8
:
631 case MESA_FORMAT_A8B8G8R8_UNORM
:
632 case MESA_FORMAT_B8G8R8A8_UNORM
:
636 _mesa_problem(NULL
, "error in PrintTexture\n");
640 for (i
= 0; i
< img
->Height
; i
++) {
641 for (j
= 0; j
< img
->Width
; j
++) {
643 printf("%02x ", data
[0]);
645 printf("%02x%02x ", data
[0], data
[1]);
647 printf("%02x%02x%02x ", data
[0], data
[1], data
[2]);
649 printf("%02x%02x%02x%02x ", data
[0], data
[1], data
[2], data
[3]);
650 data
+= (srcRowStride
- img
->Width
) * c
;
652 /* XXX use img->ImageStride here */
658 ctx
->Driver
.UnmapTextureImage(ctx
, img
, slice
);