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.
37 #include "pixelstore.h"
43 tex_target_name(GLenum tgt
)
49 { GL_TEXTURE_1D
, "GL_TEXTURE_1D" },
50 { GL_TEXTURE_2D
, "GL_TEXTURE_2D" },
51 { GL_TEXTURE_3D
, "GL_TEXTURE_3D" },
52 { GL_TEXTURE_CUBE_MAP
, "GL_TEXTURE_CUBE_MAP" },
53 { GL_TEXTURE_RECTANGLE
, "GL_TEXTURE_RECTANGLE" },
54 { GL_TEXTURE_1D_ARRAY_EXT
, "GL_TEXTURE_1D_ARRAY" },
55 { GL_TEXTURE_2D_ARRAY_EXT
, "GL_TEXTURE_2D_ARRAY" },
56 { GL_TEXTURE_CUBE_MAP_ARRAY
, "GL_TEXTURE_CUBE_MAP_ARRAY" },
57 { GL_TEXTURE_BUFFER
, "GL_TEXTURE_BUFFER" },
58 { GL_TEXTURE_2D_MULTISAMPLE
, "GL_TEXTURE_2D_MULTISAMPLE" },
59 { GL_TEXTURE_2D_MULTISAMPLE_ARRAY
, "GL_TEXTURE_2D_MULTISAMPLE_ARRAY" },
60 { GL_TEXTURE_EXTERNAL_OES
, "GL_TEXTURE_EXTERNAL_OES" }
63 STATIC_ASSERT(ARRAY_SIZE(tex_targets
) == NUM_TEXTURE_TARGETS
);
64 for (i
= 0; i
< ARRAY_SIZE(tex_targets
); i
++) {
65 if (tex_targets
[i
].target
== tgt
)
66 return tex_targets
[i
].name
;
68 return "UNKNOWN TEX TARGET";
73 _mesa_print_state( const char *msg
, GLuint state
)
76 "%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",
79 (state
& _NEW_MODELVIEW
) ? "ctx->ModelView, " : "",
80 (state
& _NEW_PROJECTION
) ? "ctx->Projection, " : "",
81 (state
& _NEW_TEXTURE_MATRIX
) ? "ctx->TextureMatrix, " : "",
82 (state
& _NEW_COLOR
) ? "ctx->Color, " : "",
83 (state
& _NEW_DEPTH
) ? "ctx->Depth, " : "",
84 (state
& _NEW_EVAL
) ? "ctx->Eval/EvalMap, " : "",
85 (state
& _NEW_FOG
) ? "ctx->Fog, " : "",
86 (state
& _NEW_HINT
) ? "ctx->Hint, " : "",
87 (state
& _NEW_LIGHT
) ? "ctx->Light, " : "",
88 (state
& _NEW_LINE
) ? "ctx->Line, " : "",
89 (state
& _NEW_PIXEL
) ? "ctx->Pixel, " : "",
90 (state
& _NEW_POINT
) ? "ctx->Point, " : "",
91 (state
& _NEW_POLYGON
) ? "ctx->Polygon, " : "",
92 (state
& _NEW_POLYGONSTIPPLE
) ? "ctx->PolygonStipple, " : "",
93 (state
& _NEW_SCISSOR
) ? "ctx->Scissor, " : "",
94 (state
& _NEW_STENCIL
) ? "ctx->Stencil, " : "",
95 (state
& _NEW_TEXTURE_OBJECT
) ? "ctx->Texture(Object), " : "",
96 (state
& _NEW_TRANSFORM
) ? "ctx->Transform, " : "",
97 (state
& _NEW_VIEWPORT
) ? "ctx->Viewport, " : "",
98 (state
& _NEW_TEXTURE_STATE
) ? "ctx->Texture(State), " : "",
99 (state
& _NEW_ARRAY
) ? "ctx->Array, " : "",
100 (state
& _NEW_RENDERMODE
) ? "ctx->RenderMode, " : "",
101 (state
& _NEW_BUFFERS
) ? "ctx->Visual, ctx->DrawBuffer,, " : "");
107 * Print information about this Mesa version and build options.
109 void _mesa_print_info( struct gl_context
*ctx
)
111 _mesa_debug(NULL
, "Mesa GL_VERSION = %s\n",
112 (char *) _mesa_GetString(GL_VERSION
));
113 _mesa_debug(NULL
, "Mesa GL_RENDERER = %s\n",
114 (char *) _mesa_GetString(GL_RENDERER
));
115 _mesa_debug(NULL
, "Mesa GL_VENDOR = %s\n",
116 (char *) _mesa_GetString(GL_VENDOR
));
118 /* use ctx as GL_EXTENSIONS will not work on 3.0 or higher
121 _mesa_debug(NULL
, "Mesa GL_EXTENSIONS = %s\n", ctx
->Extensions
.String
);
123 #if defined(USE_X86_ASM)
124 _mesa_debug(NULL
, "Mesa x86-optimized: YES\n");
126 _mesa_debug(NULL
, "Mesa x86-optimized: NO\n");
128 #if defined(USE_SPARC_ASM)
129 _mesa_debug(NULL
, "Mesa sparc-optimized: YES\n");
131 _mesa_debug(NULL
, "Mesa sparc-optimized: NO\n");
137 * Set verbose logging flags. When these flags are set, GL API calls
138 * in the various categories will be printed to stderr.
139 * \param str a comma-separated list of keywords
142 set_verbose_flags(const char *str
)
149 static const struct option opts
[] = {
150 { "varray", VERBOSE_VARRAY
},
151 { "tex", VERBOSE_TEXTURE
},
152 { "mat", VERBOSE_MATERIAL
},
153 { "pipe", VERBOSE_PIPELINE
},
154 { "driver", VERBOSE_DRIVER
},
155 { "state", VERBOSE_STATE
},
156 { "api", VERBOSE_API
},
157 { "list", VERBOSE_DISPLAY_LIST
},
158 { "lighting", VERBOSE_LIGHTING
},
159 { "disassem", VERBOSE_DISASSEM
},
160 { "draw", VERBOSE_DRAW
},
161 { "swap", VERBOSE_SWAPBUFFERS
}
169 for (i
= 0; i
< ARRAY_SIZE(opts
); i
++) {
170 if (strstr(str
, opts
[i
].name
) || strcmp(str
, "all") == 0)
171 MESA_VERBOSE
|= opts
[i
].flag
;
178 * Set debugging flags. When these flags are set, Mesa will do additional
179 * debug checks or actions.
180 * \param str a comma-separated list of keywords
183 set_debug_flags(const char *str
)
190 static const struct option opts
[] = {
191 { "silent", DEBUG_SILENT
}, /* turn off debug messages */
192 { "flush", DEBUG_ALWAYS_FLUSH
}, /* flush after each drawing command */
193 { "incomplete_tex", DEBUG_INCOMPLETE_TEXTURE
},
194 { "incomplete_fbo", DEBUG_INCOMPLETE_FBO
},
195 { "context", DEBUG_CONTEXT
} /* force set GL_CONTEXT_FLAG_DEBUG_BIT flag */
202 MESA_DEBUG_FLAGS
= 0x0;
203 for (i
= 0; i
< ARRAY_SIZE(opts
); i
++) {
204 if (strstr(str
, opts
[i
].name
))
205 MESA_DEBUG_FLAGS
|= opts
[i
].flag
;
212 * Initialize debugging variables from env vars.
215 _mesa_init_debug( struct gl_context
*ctx
)
217 set_debug_flags(getenv("MESA_DEBUG"));
218 set_verbose_flags(getenv("MESA_VERBOSE"));
226 write_ppm(const char *filename
, const GLubyte
*buffer
, int width
, int height
,
227 int comps
, int rcomp
, int gcomp
, int bcomp
, GLboolean invert
)
229 FILE *f
= fopen( filename
, "w" );
232 const GLubyte
*ptr
= buffer
;
234 fprintf(f
,"# ppm-file created by osdemo.c\n");
235 fprintf(f
,"%i %i\n", width
,height
);
238 f
= fopen( filename
, "ab" ); /* reopen in binary append mode */
240 fprintf(stderr
, "Error while reopening %s in write_ppm()\n",
244 for (y
=0; y
< height
; y
++) {
245 for (x
= 0; x
< width
; x
++) {
246 int yy
= invert
? (height
- 1 - y
) : y
;
247 int i
= (yy
* width
+ x
) * comps
;
248 fputc(ptr
[i
+rcomp
], f
); /* write red */
249 fputc(ptr
[i
+gcomp
], f
); /* write green */
250 fputc(ptr
[i
+bcomp
], f
); /* write blue */
256 fprintf(stderr
, "Unable to create %s in write_ppm()\n", filename
);
262 * Write a texture image to a ppm file.
263 * \param face cube face in [0,5]
264 * \param level mipmap level
267 write_texture_image(struct gl_texture_object
*texObj
,
268 GLuint face
, GLuint level
)
270 struct gl_texture_image
*img
= texObj
->Image
[face
][level
];
272 GET_CURRENT_CONTEXT(ctx
);
273 struct gl_pixelstore_attrib store
;
277 buffer
= malloc(img
->Width
* img
->Height
280 store
= ctx
->Pack
; /* save */
281 ctx
->Pack
= ctx
->DefaultPacking
;
283 ctx
->Driver
.GetTexSubImage(ctx
,
284 0, 0, 0, img
->Width
, img
->Height
, img
->Depth
,
285 GL_RGBA
, GL_UNSIGNED_BYTE
, buffer
, img
);
288 _mesa_snprintf(s
, sizeof(s
), "/tmp/tex%u.l%u.f%u.ppm", texObj
->Name
, level
, face
);
290 printf(" Writing image level %u to %s\n", level
, s
);
291 write_ppm(s
, buffer
, img
->Width
, img
->Height
, 4, 0, 1, 2, GL_FALSE
);
293 ctx
->Pack
= store
; /* restore */
301 * Write renderbuffer image to a ppm file.
304 _mesa_write_renderbuffer_image(const struct gl_renderbuffer
*rb
)
306 GET_CURRENT_CONTEXT(ctx
);
311 if (rb
->_BaseFormat
== GL_RGB
||
312 rb
->_BaseFormat
== GL_RGBA
) {
314 type
= GL_UNSIGNED_BYTE
;
316 else if (rb
->_BaseFormat
== GL_DEPTH_STENCIL
) {
317 format
= GL_DEPTH_STENCIL
;
318 type
= GL_UNSIGNED_INT_24_8
;
322 "Unsupported BaseFormat 0x%x in "
323 "_mesa_write_renderbuffer_image()\n",
328 buffer
= malloc(rb
->Width
* rb
->Height
* 4);
330 ctx
->Driver
.ReadPixels(ctx
, 0, 0, rb
->Width
, rb
->Height
,
331 format
, type
, &ctx
->DefaultPacking
, buffer
);
334 _mesa_snprintf(s
, sizeof(s
), "/tmp/renderbuffer%u.ppm", rb
->Name
);
335 _mesa_snprintf(s
, sizeof(s
), "C:\\renderbuffer%u.ppm", rb
->Name
);
337 printf(" Writing renderbuffer image to %s\n", s
);
339 _mesa_debug(NULL
, " Writing renderbuffer image to %s\n", s
);
341 write_ppm(s
, buffer
, rb
->Width
, rb
->Height
, 4, 0, 1, 2, GL_TRUE
);
347 /** How many texture images (mipmap levels, faces) to write to files */
352 static GLuint WriteImages
;
356 dump_texture(struct gl_texture_object
*texObj
, GLuint writeImages
)
358 const GLuint numFaces
= texObj
->Target
== GL_TEXTURE_CUBE_MAP
? 6 : 1;
359 GLboolean written
= GL_FALSE
;
362 printf("Texture %u\n", texObj
->Name
);
363 printf(" Target %s\n", tex_target_name(texObj
->Target
));
364 for (i
= 0; i
< MAX_TEXTURE_LEVELS
; i
++) {
365 for (j
= 0; j
< numFaces
; j
++) {
366 struct gl_texture_image
*texImg
= texObj
->Image
[j
][i
];
368 printf(" Face %u level %u: %d x %d x %d, format %s\n",
370 texImg
->Width
, texImg
->Height
, texImg
->Depth
,
371 _mesa_get_format_name(texImg
->TexFormat
));
372 if (writeImages
== WRITE_ALL
||
373 (writeImages
== WRITE_ONE
&& !written
)) {
374 write_texture_image(texObj
, j
, i
);
384 * Dump a single texture.
387 _mesa_dump_texture(GLuint texture
, GLuint writeImages
)
389 GET_CURRENT_CONTEXT(ctx
);
390 struct gl_texture_object
*texObj
= _mesa_lookup_texture(ctx
, texture
);
392 dump_texture(texObj
, writeImages
);
398 dump_texture_cb(GLuint id
, void *data
, void *userData
)
400 struct gl_texture_object
*texObj
= (struct gl_texture_object
*) data
;
402 dump_texture(texObj
, WriteImages
);
407 * Print basic info about all texture objext to stdout.
408 * If dumpImages is true, write PPM of level[0] image to a file.
411 _mesa_dump_textures(GLuint writeImages
)
413 GET_CURRENT_CONTEXT(ctx
);
414 WriteImages
= writeImages
;
415 _mesa_HashWalk(ctx
->Shared
->TexObjects
, dump_texture_cb
, ctx
);
420 dump_renderbuffer(const struct gl_renderbuffer
*rb
, GLboolean writeImage
)
422 printf("Renderbuffer %u: %u x %u IntFormat = %s\n",
423 rb
->Name
, rb
->Width
, rb
->Height
,
424 _mesa_enum_to_string(rb
->InternalFormat
));
426 _mesa_write_renderbuffer_image(rb
);
432 dump_renderbuffer_cb(GLuint id
, void *data
, void *userData
)
434 const struct gl_renderbuffer
*rb
= (const struct gl_renderbuffer
*) data
;
436 dump_renderbuffer(rb
, WriteImages
);
441 * Print basic info about all renderbuffers to stdout.
442 * If dumpImages is true, write PPM of level[0] image to a file.
445 _mesa_dump_renderbuffers(GLboolean writeImages
)
447 GET_CURRENT_CONTEXT(ctx
);
448 WriteImages
= writeImages
;
449 _mesa_HashWalk(ctx
->Shared
->RenderBuffers
, dump_renderbuffer_cb
, ctx
);
455 _mesa_dump_color_buffer(const char *filename
)
457 GET_CURRENT_CONTEXT(ctx
);
458 const GLuint w
= ctx
->DrawBuffer
->Width
;
459 const GLuint h
= ctx
->DrawBuffer
->Height
;
462 buf
= malloc(w
* h
* 4);
464 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT
);
465 _mesa_PixelStorei(GL_PACK_ALIGNMENT
, 1);
466 _mesa_PixelStorei(GL_PACK_INVERT_MESA
, GL_TRUE
);
468 _mesa_ReadPixels(0, 0, w
, h
, GL_RGBA
, GL_UNSIGNED_BYTE
, buf
);
470 printf("ReadBuffer %p 0x%x DrawBuffer %p 0x%x\n",
471 (void *) ctx
->ReadBuffer
->_ColorReadBuffer
,
472 ctx
->ReadBuffer
->ColorReadBuffer
,
473 (void *) ctx
->DrawBuffer
->_ColorDrawBuffers
[0],
474 ctx
->DrawBuffer
->ColorDrawBuffer
[0]);
475 printf("Writing %d x %d color buffer to %s\n", w
, h
, filename
);
476 write_ppm(filename
, buf
, w
, h
, 4, 0, 1, 2, GL_TRUE
);
478 _mesa_PopClientAttrib();
485 _mesa_dump_depth_buffer(const char *filename
)
487 GET_CURRENT_CONTEXT(ctx
);
488 const GLuint w
= ctx
->DrawBuffer
->Width
;
489 const GLuint h
= ctx
->DrawBuffer
->Height
;
494 buf
= malloc(w
* h
* 4); /* 4 bpp */
495 buf2
= malloc(w
* h
* 3); /* 3 bpp */
497 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT
);
498 _mesa_PixelStorei(GL_PACK_ALIGNMENT
, 1);
499 _mesa_PixelStorei(GL_PACK_INVERT_MESA
, GL_TRUE
);
501 _mesa_ReadPixels(0, 0, w
, h
, GL_DEPTH_COMPONENT
, GL_UNSIGNED_INT
, buf
);
503 /* spread 24 bits of Z across R, G, B */
504 for (i
= 0; i
< w
* h
; i
++) {
505 buf2
[i
*3+0] = (buf
[i
] >> 24) & 0xff;
506 buf2
[i
*3+1] = (buf
[i
] >> 16) & 0xff;
507 buf2
[i
*3+2] = (buf
[i
] >> 8) & 0xff;
510 printf("Writing %d x %d depth buffer to %s\n", w
, h
, filename
);
511 write_ppm(filename
, buf2
, w
, h
, 3, 0, 1, 2, GL_TRUE
);
513 _mesa_PopClientAttrib();
521 _mesa_dump_stencil_buffer(const char *filename
)
523 GET_CURRENT_CONTEXT(ctx
);
524 const GLuint w
= ctx
->DrawBuffer
->Width
;
525 const GLuint h
= ctx
->DrawBuffer
->Height
;
530 buf
= malloc(w
* h
); /* 1 bpp */
531 buf2
= malloc(w
* h
* 3); /* 3 bpp */
533 _mesa_PushClientAttrib(GL_CLIENT_PIXEL_STORE_BIT
);
534 _mesa_PixelStorei(GL_PACK_ALIGNMENT
, 1);
535 _mesa_PixelStorei(GL_PACK_INVERT_MESA
, GL_TRUE
);
537 _mesa_ReadPixels(0, 0, w
, h
, GL_STENCIL_INDEX
, GL_UNSIGNED_BYTE
, buf
);
539 for (i
= 0; i
< w
* h
; i
++) {
540 buf2
[i
*3+0] = buf
[i
];
541 buf2
[i
*3+1] = (buf
[i
] & 127) * 2;
542 buf2
[i
*3+2] = (buf
[i
] - 128) * 2;
545 printf("Writing %d x %d stencil buffer to %s\n", w
, h
, filename
);
546 write_ppm(filename
, buf2
, w
, h
, 3, 0, 1, 2, GL_TRUE
);
548 _mesa_PopClientAttrib();
556 _mesa_dump_image(const char *filename
, const void *image
, GLuint w
, GLuint h
,
557 GLenum format
, GLenum type
)
559 GLboolean invert
= GL_TRUE
;
561 if (format
== GL_RGBA
&& type
== GL_UNSIGNED_BYTE
) {
562 write_ppm(filename
, image
, w
, h
, 4, 0, 1, 2, invert
);
564 else if (format
== GL_BGRA
&& type
== GL_UNSIGNED_BYTE
) {
565 write_ppm(filename
, image
, w
, h
, 4, 2, 1, 0, invert
);
567 else if (format
== GL_LUMINANCE_ALPHA
&& type
== GL_UNSIGNED_BYTE
) {
568 write_ppm(filename
, image
, w
, h
, 2, 1, 0, 0, invert
);
570 else if (format
== GL_RED
&& type
== GL_UNSIGNED_BYTE
) {
571 write_ppm(filename
, image
, w
, h
, 1, 0, 0, 0, invert
);
573 else if (format
== GL_RGBA
&& type
== GL_FLOAT
) {
574 /* convert floats to ubyte */
575 GLubyte
*buf
= malloc(w
* h
* 4 * sizeof(GLubyte
));
576 const GLfloat
*f
= (const GLfloat
*) image
;
578 for (i
= 0; i
< w
* h
* 4; i
++) {
579 UNCLAMPED_FLOAT_TO_UBYTE(buf
[i
], f
[i
]);
581 write_ppm(filename
, buf
, w
, h
, 4, 0, 1, 2, invert
);
584 else if (format
== GL_RED
&& type
== GL_FLOAT
) {
585 /* convert floats to ubyte */
586 GLubyte
*buf
= malloc(w
* h
* sizeof(GLubyte
));
587 const GLfloat
*f
= (const GLfloat
*) image
;
589 for (i
= 0; i
< w
* h
; i
++) {
590 UNCLAMPED_FLOAT_TO_UBYTE(buf
[i
], f
[i
]);
592 write_ppm(filename
, buf
, w
, h
, 1, 0, 0, 0, invert
);
597 "Unsupported format 0x%x / type 0x%x in _mesa_dump_image()",
604 * Quick and dirty function to "print" a texture to stdout.
607 _mesa_print_texture(struct gl_context
*ctx
, struct gl_texture_image
*img
)
609 const GLint slice
= 0;
614 ctx
->Driver
.MapTextureImage(ctx
, img
, slice
,
615 0, 0, img
->Width
, img
->Height
, GL_MAP_READ_BIT
,
616 &data
, &srcRowStride
);
619 printf("No texture data\n");
622 /* XXX add more formats or make into a new format utility function */
623 switch (img
->TexFormat
) {
624 case MESA_FORMAT_A_UNORM8
:
625 case MESA_FORMAT_L_UNORM8
:
626 case MESA_FORMAT_I_UNORM8
:
629 case MESA_FORMAT_L8A8_UNORM
:
630 case MESA_FORMAT_A8L8_UNORM
:
633 case MESA_FORMAT_BGR_UNORM8
:
634 case MESA_FORMAT_RGB_UNORM8
:
637 case MESA_FORMAT_A8B8G8R8_UNORM
:
638 case MESA_FORMAT_B8G8R8A8_UNORM
:
642 _mesa_problem(NULL
, "error in PrintTexture\n");
646 for (i
= 0; i
< img
->Height
; i
++) {
647 for (j
= 0; j
< img
->Width
; j
++) {
649 printf("%02x ", data
[0]);
651 printf("%02x%02x ", data
[0], data
[1]);
653 printf("%02x%02x%02x ", data
[0], data
[1], data
[2]);
655 printf("%02x%02x%02x%02x ", data
[0], data
[1], data
[2], data
[3]);
656 data
+= (srcRowStride
- img
->Width
) * c
;
658 /* XXX use img->ImageStride here */
664 ctx
->Driver
.UnmapTextureImage(ctx
, img
, slice
);