1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * Keith Whitwell <keith@tungstengraphics.com>
35 #include "st_context.h"
37 #include "st_texture.h"
38 #include "st_cb_texture.h"
39 #include "pipe/p_context.h"
40 #include "cso_cache/cso_context.h"
44 update_textures(struct st_context
*st
)
46 struct gl_vertex_program
*vprog
= st
->ctx
->VertexProgram
._Current
;
47 struct gl_fragment_program
*fprog
= st
->ctx
->FragmentProgram
._Current
;
48 const GLbitfield samplersUsed
= (vprog
->Base
.SamplersUsed
|
49 fprog
->Base
.SamplersUsed
);
52 st
->state
.num_textures
= 0;
54 /* loop over sampler units (aka tex image units) */
55 for (su
= 0; su
< st
->ctx
->Const
.MaxTextureImageUnits
; su
++) {
56 struct pipe_texture
*pt
= NULL
;
58 if (samplersUsed
& (1 << su
)) {
59 struct gl_texture_object
*texObj
;
60 struct st_texture_object
*stObj
;
61 GLboolean flush
, retval
;
64 if (fprog
->Base
.SamplersUsed
& (1 << su
))
65 texUnit
= fprog
->Base
.SamplerUnits
[su
];
67 texUnit
= vprog
->Base
.SamplerUnits
[su
];
69 texObj
= st
->ctx
->Texture
.Unit
[texUnit
]._Current
;
72 texObj
= st_get_default_texture(st
);
74 stObj
= st_texture_object(texObj
);
76 retval
= st_finalize_texture(st
->ctx
, st
->pipe
, texObj
, &flush
);
82 st
->state
.num_textures
= su
+ 1;
84 pt
= st_get_stobj_texture(stObj
);
89 printf("%s su=%u non-null\n", __FUNCTION__, su);
92 printf("%s su=%u null\n", __FUNCTION__, su);
96 pipe_texture_reference(&st
->state
.sampler_texture
[su
], pt
);
99 cso_set_sampler_textures(st
->cso_context
,
100 st
->state
.num_textures
,
101 st
->state
.sampler_texture
);
105 const struct st_tracked_state st_update_texture
= {
106 "st_update_texture", /* name */
108 _NEW_TEXTURE
, /* mesa */
109 ST_NEW_FRAGMENT_PROGRAM
, /* st */
111 update_textures
/* update */
118 finalize_textures(struct st_context
*st
)
120 struct gl_fragment_program
*fprog
= st
->ctx
->FragmentProgram
._Current
;
121 const GLboolean prev_missing_textures
= st
->missing_textures
;
124 st
->missing_textures
= GL_FALSE
;
126 for (su
= 0; su
< st
->ctx
->Const
.MaxTextureCoordUnits
; su
++) {
127 if (fprog
->Base
.SamplersUsed
& (1 << su
)) {
128 const GLuint texUnit
= fprog
->Base
.SamplerUnits
[su
];
129 struct gl_texture_object
*texObj
130 = st
->ctx
->Texture
.Unit
[texUnit
]._Current
;
131 struct st_texture_object
*stObj
= st_texture_object(texObj
);
134 GLboolean flush
, retval
;
136 retval
= st_finalize_texture(st
->ctx
, st
->pipe
, texObj
, &flush
);
139 st
->missing_textures
= GL_TRUE
;
143 stObj
->teximage_realloc
= TRUE
;
148 if (prev_missing_textures
!= st
->missing_textures
)
149 st
->dirty
.st
|= ST_NEW_FRAGMENT_PROGRAM
;
154 const struct st_tracked_state st_finalize_textures
= {
155 "st_finalize_textures", /* name */
157 _NEW_TEXTURE
, /* mesa */
160 finalize_textures
/* update */