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.
36 #include "pixelstore.h"
42 tex_target_name(GLenum tgt
)
48 { GL_TEXTURE_1D
, "GL_TEXTURE_1D" },
49 { GL_TEXTURE_2D
, "GL_TEXTURE_2D" },
50 { GL_TEXTURE_3D
, "GL_TEXTURE_3D" },
51 { GL_TEXTURE_CUBE_MAP
, "GL_TEXTURE_CUBE_MAP" },
52 { GL_TEXTURE_RECTANGLE
, "GL_TEXTURE_RECTANGLE" },
53 { GL_TEXTURE_1D_ARRAY_EXT
, "GL_TEXTURE_1D_ARRAY" },
54 { GL_TEXTURE_2D_ARRAY_EXT
, "GL_TEXTURE_2D_ARRAY" },
55 { GL_TEXTURE_CUBE_MAP_ARRAY
, "GL_TEXTURE_CUBE_MAP_ARRAY" },
56 { GL_TEXTURE_BUFFER
, "GL_TEXTURE_BUFFER" },
57 { GL_TEXTURE_2D_MULTISAMPLE
, "GL_TEXTURE_2D_MULTISAMPLE" },
58 { GL_TEXTURE_2D_MULTISAMPLE_ARRAY
, "GL_TEXTURE_2D_MULTISAMPLE_ARRAY" },
59 { GL_TEXTURE_EXTERNAL_OES
, "GL_TEXTURE_EXTERNAL_OES" }
62 STATIC_ASSERT(ARRAY_SIZE(tex_targets
) == NUM_TEXTURE_TARGETS
);
63 for (i
= 0; i
< ARRAY_SIZE(tex_targets
); i
++) {
64 if (tex_targets
[i
].target
== tgt
)
65 return tex_targets
[i
].name
;
67 return "UNKNOWN TEX TARGET";
72 _mesa_print_state( const char *msg
, GLuint state
)
75 "%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",
78 (state
& _NEW_MODELVIEW
) ? "ctx->ModelView, " : "",
79 (state
& _NEW_PROJECTION
) ? "ctx->Projection, " : "",
80 (state
& _NEW_TEXTURE_MATRIX
) ? "ctx->TextureMatrix, " : "",
81 (state
& _NEW_COLOR
) ? "ctx->Color, " : "",
82 (state
& _NEW_DEPTH
) ? "ctx->Depth, " : "",
83 (state
& _NEW_EVAL
) ? "ctx->Eval/EvalMap, " : "",
84 (state
& _NEW_FOG
) ? "ctx->Fog, " : "",
85 (state
& _NEW_HINT
) ? "ctx->Hint, " : "",
86 (state
& _NEW_LIGHT
) ? "ctx->Light, " : "",
87 (state
& _NEW_LINE
) ? "ctx->Line, " : "",
88 (state
& _NEW_PIXEL
) ? "ctx->Pixel, " : "",
89 (state
& _NEW_POINT
) ? "ctx->Point, " : "",
90 (state
& _NEW_POLYGON
) ? "ctx->Polygon, " : "",
91 (state
& _NEW_POLYGONSTIPPLE
) ? "ctx->PolygonStipple, " : "",
92 (state
& _NEW_SCISSOR
) ? "ctx->Scissor, " : "",
93 (state
& _NEW_STENCIL
) ? "ctx->Stencil, " : "",
94 (state
& _NEW_TEXTURE
) ? "ctx->Texture, " : "",
95 (state
& _NEW_TRANSFORM
) ? "ctx->Transform, " : "",
96 (state
& _NEW_VIEWPORT
) ? "ctx->Viewport, " : "",
97 (state
& _NEW_ARRAY
) ? "ctx->Array, " : "",
98 (state
& _NEW_RENDERMODE
) ? "ctx->RenderMode, " : "",
99 (state
& _NEW_BUFFERS
) ? "ctx->Visual, ctx->DrawBuffer,, " : "");
105 * Print information about this Mesa version and build options.
107 void _mesa_print_info( struct gl_context
*ctx
)
109 _mesa_debug(NULL
, "Mesa GL_VERSION = %s\n",
110 (char *) _mesa_GetString(GL_VERSION
));
111 _mesa_debug(NULL
, "Mesa GL_RENDERER = %s\n",
112 (char *) _mesa_GetString(GL_RENDERER
));
113 _mesa_debug(NULL
, "Mesa GL_VENDOR = %s\n",
114 (char *) _mesa_GetString(GL_VENDOR
));
116 /* use ctx as GL_EXTENSIONS will not work on 3.0 or higher
119 _mesa_debug(NULL
, "Mesa GL_EXTENSIONS = %s\n", ctx
->Extensions
.String
);
121 #if defined(USE_X86_ASM)
122 _mesa_debug(NULL
, "Mesa x86-optimized: YES\n");
124 _mesa_debug(NULL
, "Mesa x86-optimized: NO\n");
126 #if defined(USE_SPARC_ASM)
127 _mesa_debug(NULL
, "Mesa sparc-optimized: YES\n");
129 _mesa_debug(NULL
, "Mesa sparc-optimized: NO\n");
135 * Set verbose logging flags. When these flags are set, GL API calls
136 * in the various categories will be printed to stderr.
137 * \param str a comma-separated list of keywords
140 set_verbose_flags(const char *str
)
147 static const struct option opts
[] = {
148 { "varray", VERBOSE_VARRAY
},
149 { "tex", VERBOSE_TEXTURE
},
150 { "mat", VERBOSE_MATERIAL
},
151 { "pipe", VERBOSE_PIPELINE
},
152 { "driver", VERBOSE_DRIVER
},
153 { "state", VERBOSE_STATE
},
154 { "api", VERBOSE_API
},
155 { "list", VERBOSE_DISPLAY_LIST
},
156 { "lighting", VERBOSE_LIGHTING
},
157 { "disassem", VERBOSE_DISASSEM
},
158 { "draw", VERBOSE_DRAW
},
159 { "swap", VERBOSE_SWAPBUFFERS
}
167 for (i
= 0; i
< ARRAY_SIZE(opts
); i
++) {
168 if (strstr(str
, opts
[i
].name
) || strcmp(str
, "all") == 0)
169 MESA_VERBOSE
|= opts
[i
].flag
;
176 * Set debugging flags. When these flags are set, Mesa will do additional
177 * debug checks or actions.
178 * \param str a comma-separated list of keywords
181 set_debug_flags(const char *str
)
188 static const struct option opts
[] = {
189 { "silent", DEBUG_SILENT
}, /* turn off debug messages */
190 { "flush", DEBUG_ALWAYS_FLUSH
}, /* flush after each drawing command */
191 { "incomplete_tex", DEBUG_INCOMPLETE_TEXTURE
},
192 { "incomplete_fbo", DEBUG_INCOMPLETE_FBO
},
193 { "context", DEBUG_CONTEXT
} /* force set GL_CONTEXT_FLAG_DEBUG_BIT flag */
200 MESA_DEBUG_FLAGS
= 0x0;
201 for (i
= 0; i
< ARRAY_SIZE(opts
); i
++) {
202 if (strstr(str
, opts
[i
].name
))
203 MESA_DEBUG_FLAGS
|= opts
[i
].flag
;
210 * Initialize debugging variables from env vars.
213 _mesa_init_debug( struct gl_context
*ctx
)
215 set_debug_flags(getenv("MESA_DEBUG"));
216 set_verbose_flags(getenv("MESA_VERBOSE"));
224 write_ppm(const char *filename
, const GLubyte
*buffer
, int width
, int height
,
225 int comps
, int rcomp
, int gcomp
, int bcomp
, GLboolean invert
)
227 FILE *f
= fopen( filename
, "w" );
230 const GLubyte
*ptr
= buffer
;
232 fprintf(f
,"# ppm-file created by osdemo.c\n");
233 fprintf(f
,"%i %i\n", width
,height
);
236 f
= fopen( filename
, "ab" ); /* reopen in binary append mode */
237 for (y
=0; y
< height
; y
++) {
238 for (x
= 0; x
< width
; x
++) {
239 int yy
= invert
? (height
- 1 - y
) : y
;
240 int i
= (yy
* width
+ x
) * comps
;
241 fputc(ptr
[i
+rcomp
], f
); /* write red */
242 fputc(ptr
[i
+gcomp
], f
); /* write green */
243 fputc(ptr
[i
+bcomp
], f
); /* write blue */
249 fprintf(stderr
, "Unable to create %s in write_ppm()\n", filename
);
255 * Write a texture image to a ppm file.
256 * \param face cube face in [0,5]
257 * \param level mipmap level
260 write_texture_image(struct gl_texture_object
*texObj
,
261 GLuint face
, GLuint level
)
263 struct gl_texture_image
*img
= texObj
->Image
[face
][level
];
265 GET_CURRENT_CONTEXT(ctx
);
266 struct gl_pixelstore_attrib store
;
270 buffer
= malloc(img
->Width
* img
->Height
273 store
= ctx
->Pack
; /* save */
274 ctx
->Pack
= ctx
->DefaultPacking
;
276 ctx
->Driver
.GetTexSubImage(ctx
,
277 0, 0, 0, img
->Width
, img
->Height
, img
->Depth
,
278 GL_RGBA
, GL_UNSIGNED_BYTE
, buffer
, img
);
281 _mesa_snprintf(s
, sizeof(s
), "/tmp/tex%u.l%u.f%u.ppm", texObj
->Name
, level
, face
);
283 printf(" Writing image level %u to %s\n", level
, s
);
284 write_ppm(s
, buffer
, img
->Width
, img
->Height
, 4, 0, 1, 2, GL_FALSE
);
286 ctx
->Pack
= store
; /* restore */
294 * Write renderbuffer image to a ppm file.
297 _mesa_write_renderbuffer_image(const struct gl_renderbuffer
*rb
)
299 GET_CURRENT_CONTEXT(ctx
);
304 if (rb
->_BaseFormat
== GL_RGB
||
305 rb
->_BaseFormat
== GL_RGBA
) {
307 type
= GL_UNSIGNED_BYTE
;
309 else if (rb
->_BaseFormat
== GL_DEPTH_STENCIL
) {
310 format
= GL_DEPTH_STENCIL
;
311 type
= GL_UNSIGNED_INT_24_8
;
315 "Unsupported BaseFormat 0x%x in "
316 "_mesa_write_renderbuffer_image()\n",
321 buffer
= malloc(rb
->Width
* rb
->Height
* 4);
323 ctx
->Driver
.ReadPixels(ctx
, 0, 0, rb
->Width
, rb
->Height
,
324 format
, type
, &ctx
->DefaultPacking
, buffer
);
327 _mesa_snprintf(s
, sizeof(s
), "/tmp/renderbuffer%u.ppm", rb
->Name
);
328 _mesa_snprintf(s
, sizeof(s
), "C:\\renderbuffer%u.ppm", rb
->Name
);
330 printf(" Writing renderbuffer image to %s\n", s
);
332 _mesa_debug(NULL
, " Writing renderbuffer image to %s\n", s
);
334 write_ppm(s
, buffer
, rb
->Width
, rb
->Height
, 4, 0, 1, 2, GL_TRUE
);
340 /** How many texture images (mipmap levels, faces) to write to files */
345 static GLuint WriteImages
;
349 dump_texture(struct gl_texture_object
*texObj
, GLuint writeImages
)
351 const GLuint numFaces
= texObj
->Target
== GL_TEXTURE_CUBE_MAP
? 6 : 1;
352 GLboolean written
= GL_FALSE
;
355 printf("Texture %u\n", texObj
->Name
);
356 printf(" Target %s\n", tex_target_name(texObj
->Target
));
357 for (i
= 0; i
< MAX_TEXTURE_LEVELS
; i
++) {
358 for (j
= 0; j
< numFaces
; j
++) {
359 struct gl_texture_image
*texImg
= texObj
->Image
[j
][i
];
361 printf(" Face %u level %u: %d x %d x %d, format %s\n",
363 texImg
->Width
, texImg
->Height
, texImg
->Depth
,
364 _mesa_get_format_name(texImg
->TexFormat
));
365 if (writeImages
== WRITE_ALL
||
366 (writeImages
== WRITE_ONE
&& !written
)) {
367 write_texture_image(texObj
, j
, i
);
377 * Dump a single texture.
380 _mesa_dump_texture(GLuint texture
, GLuint writeImages
)
382 GET_CURRENT_CONTEXT(ctx
);
383 struct gl_texture_object
*texObj
= _mesa_lookup_texture(ctx
, texture
);
385 dump_texture(texObj
, writeImages
);
391 dump_texture_cb(GLuint id
, void *data
, void *userData
)
393 struct gl_texture_object
*texObj
= (struct gl_texture_object
*) data
;
395 dump_texture(texObj
, WriteImages
);
400 * Print basic info about all texture objext to stdout.
401 * If dumpImages is true, write PPM of level[0] image to a file.
404 _mesa_dump_textures(GLuint writeImages
)
406 GET_CURRENT_CONTEXT(ctx
);
407 WriteImages
= writeImages
;
408 _mesa_HashWalk(ctx
->Shared
->TexObjects
, dump_texture_cb
, ctx
);
413 dump_renderbuffer(const struct gl_renderbuffer
*rb
, GLboolean writeImage
)
415 printf("Renderbuffer %u: %u x %u IntFormat = %s\n",
416 rb
->Name
, rb
->Width
, rb
->Height
,
417 _mesa_enum_to_string(rb
->InternalFormat
));
419 _mesa_write_renderbuffer_image(rb
);
425 dump_renderbuffer_cb(GLuint id
, void *data
, void *userData
)
427 const struct gl_renderbuffer
*rb
= (const struct gl_renderbuffer
*) data
;
429 dump_renderbuffer(rb
, WriteImages
);
434 * Print basic info about all renderbuffers to stdout.
435 * If dumpImages is true, write PPM of level[0] image to a file.
438 _mesa_dump_renderbuffers(GLboolean writeImages
)
440 GET_CURRENT_CONTEXT(ctx
);
441 WriteImages
= writeImages
;
442 _mesa_HashWalk(ctx
->Shared
->RenderBuffers
, dump_renderbuffer_cb
, ctx
);
448 _mesa_dump_color_buffer(const char *filename
)
450 GET_CURRENT_CONTEXT(ctx
);
451 const GLuint w
= ctx
->DrawBuffer
->Width
;
452 const GLuint h
= ctx
->DrawBuffer
->Height
;
455 buf
= malloc(w
* h
* 4);
457 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT
);
458 _mesa_PixelStorei(GL_PACK_ALIGNMENT
, 1);
459 _mesa_PixelStorei(GL_PACK_INVERT_MESA
, GL_TRUE
);
461 _mesa_ReadPixels(0, 0, w
, h
, GL_RGBA
, GL_UNSIGNED_BYTE
, buf
);
463 printf("ReadBuffer %p 0x%x DrawBuffer %p 0x%x\n",
464 (void *) ctx
->ReadBuffer
->_ColorReadBuffer
,
465 ctx
->ReadBuffer
->ColorReadBuffer
,
466 (void *) ctx
->DrawBuffer
->_ColorDrawBuffers
[0],
467 ctx
->DrawBuffer
->ColorDrawBuffer
[0]);
468 printf("Writing %d x %d color buffer to %s\n", w
, h
, filename
);
469 write_ppm(filename
, buf
, w
, h
, 4, 0, 1, 2, GL_TRUE
);
471 _mesa_PopClientAttrib();
478 _mesa_dump_depth_buffer(const char *filename
)
480 GET_CURRENT_CONTEXT(ctx
);
481 const GLuint w
= ctx
->DrawBuffer
->Width
;
482 const GLuint h
= ctx
->DrawBuffer
->Height
;
487 buf
= malloc(w
* h
* 4); /* 4 bpp */
488 buf2
= malloc(w
* h
* 3); /* 3 bpp */
490 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT
);
491 _mesa_PixelStorei(GL_PACK_ALIGNMENT
, 1);
492 _mesa_PixelStorei(GL_PACK_INVERT_MESA
, GL_TRUE
);
494 _mesa_ReadPixels(0, 0, w
, h
, GL_DEPTH_COMPONENT
, GL_UNSIGNED_INT
, buf
);
496 /* spread 24 bits of Z across R, G, B */
497 for (i
= 0; i
< w
* h
; i
++) {
498 buf2
[i
*3+0] = (buf
[i
] >> 24) & 0xff;
499 buf2
[i
*3+1] = (buf
[i
] >> 16) & 0xff;
500 buf2
[i
*3+2] = (buf
[i
] >> 8) & 0xff;
503 printf("Writing %d x %d depth buffer to %s\n", w
, h
, filename
);
504 write_ppm(filename
, buf2
, w
, h
, 3, 0, 1, 2, GL_TRUE
);
506 _mesa_PopClientAttrib();
514 _mesa_dump_stencil_buffer(const char *filename
)
516 GET_CURRENT_CONTEXT(ctx
);
517 const GLuint w
= ctx
->DrawBuffer
->Width
;
518 const GLuint h
= ctx
->DrawBuffer
->Height
;
523 buf
= malloc(w
* h
); /* 1 bpp */
524 buf2
= malloc(w
* h
* 3); /* 3 bpp */
526 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT
);
527 _mesa_PixelStorei(GL_PACK_ALIGNMENT
, 1);
528 _mesa_PixelStorei(GL_PACK_INVERT_MESA
, GL_TRUE
);
530 _mesa_ReadPixels(0, 0, w
, h
, GL_STENCIL_INDEX
, GL_UNSIGNED_BYTE
, buf
);
532 for (i
= 0; i
< w
* h
; i
++) {
533 buf2
[i
*3+0] = buf
[i
];
534 buf2
[i
*3+1] = (buf
[i
] & 127) * 2;
535 buf2
[i
*3+2] = (buf
[i
] - 128) * 2;
538 printf("Writing %d x %d stencil buffer to %s\n", w
, h
, filename
);
539 write_ppm(filename
, buf2
, w
, h
, 3, 0, 1, 2, GL_TRUE
);
541 _mesa_PopClientAttrib();
549 _mesa_dump_image(const char *filename
, const void *image
, GLuint w
, GLuint h
,
550 GLenum format
, GLenum type
)
552 GLboolean invert
= GL_TRUE
;
554 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_BYTE
) {
555 write_ppm(filename
, image
, w
, h
, 4, 0, 1, 2, invert
);
557 else if (format
== GL_BGRA
&& type
== GL_UNSIGNED_BYTE
) {
558 write_ppm(filename
, image
, w
, h
, 4, 2, 1, 0, invert
);
560 else if (format
== GL_LUMINANCE_ALPHA
&& type
== GL_UNSIGNED_BYTE
) {
561 write_ppm(filename
, image
, w
, h
, 2, 1, 0, 0, invert
);
563 else if (format
== GL_RED
&& type
== GL_UNSIGNED_BYTE
) {
564 write_ppm(filename
, image
, w
, h
, 1, 0, 0, 0, invert
);
566 else if (format
== GL_RGBA
&& type
== GL_FLOAT
) {
567 /* convert floats to ubyte */
568 GLubyte
*buf
= malloc(w
* h
* 4 * sizeof(GLubyte
));
569 const GLfloat
*f
= (const GLfloat
*) image
;
571 for (i
= 0; i
< w
* h
* 4; i
++) {
572 UNCLAMPED_FLOAT_TO_UBYTE(buf
[i
], f
[i
]);
574 write_ppm(filename
, buf
, w
, h
, 4, 0, 1, 2, invert
);
577 else if (format
== GL_RED
&& type
== GL_FLOAT
) {
578 /* convert floats to ubyte */
579 GLubyte
*buf
= malloc(w
* h
* sizeof(GLubyte
));
580 const GLfloat
*f
= (const GLfloat
*) image
;
582 for (i
= 0; i
< w
* h
; i
++) {
583 UNCLAMPED_FLOAT_TO_UBYTE(buf
[i
], f
[i
]);
585 write_ppm(filename
, buf
, w
, h
, 1, 0, 0, 0, invert
);
590 "Unsupported format 0x%x / type 0x%x in _mesa_dump_image()",
597 * Quick and dirty function to "print" a texture to stdout.
600 _mesa_print_texture(struct gl_context
*ctx
, struct gl_texture_image
*img
)
602 const GLint slice
= 0;
607 ctx
->Driver
.MapTextureImage(ctx
, img
, slice
,
608 0, 0, img
->Width
, img
->Height
, GL_MAP_READ_BIT
,
609 &data
, &srcRowStride
);
612 printf("No texture data\n");
615 /* XXX add more formats or make into a new format utility function */
616 switch (img
->TexFormat
) {
617 case MESA_FORMAT_A_UNORM8
:
618 case MESA_FORMAT_L_UNORM8
:
619 case MESA_FORMAT_I_UNORM8
:
622 case MESA_FORMAT_L8A8_UNORM
:
623 case MESA_FORMAT_A8L8_UNORM
:
626 case MESA_FORMAT_BGR_UNORM8
:
627 case MESA_FORMAT_RGB_UNORM8
:
630 case MESA_FORMAT_A8B8G8R8_UNORM
:
631 case MESA_FORMAT_B8G8R8A8_UNORM
:
635 _mesa_problem(NULL
, "error in PrintTexture\n");
639 for (i
= 0; i
< img
->Height
; i
++) {
640 for (j
= 0; j
< img
->Width
; j
++) {
642 printf("%02x ", data
[0]);
644 printf("%02x%02x ", data
[0], data
[1]);
646 printf("%02x%02x%02x ", data
[0], data
[1], data
[2]);
648 printf("%02x%02x%02x%02x ", data
[0], data
[1], data
[2], data
[3]);
649 data
+= (srcRowStride
- img
->Width
) * c
;
651 /* XXX use img->ImageStride here */
657 ctx
->Driver
.UnmapTextureImage(ctx
, img
, slice
);