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 "main/macros.h"
37 #include "st_context.h"
39 #include "st_texture.h"
40 #include "st_cb_texture.h"
41 #include "pipe/p_context.h"
42 #include "util/u_inlines.h"
43 #include "cso_cache/cso_context.h"
47 update_textures(struct st_context
*st
)
49 struct pipe_context
*pipe
= st
->pipe
;
50 struct gl_vertex_program
*vprog
= st
->ctx
->VertexProgram
._Current
;
51 struct gl_fragment_program
*fprog
= st
->ctx
->FragmentProgram
._Current
;
52 const GLbitfield samplersUsed
= (vprog
->Base
.SamplersUsed
|
53 fprog
->Base
.SamplersUsed
);
56 st
->state
.num_textures
= 0;
58 /* loop over sampler units (aka tex image units) */
59 for (su
= 0; su
< st
->ctx
->Const
.MaxTextureImageUnits
; su
++) {
60 struct pipe_sampler_view
*sampler_view
= NULL
;
62 if (samplersUsed
& (1 << su
)) {
63 struct gl_texture_object
*texObj
;
64 struct st_texture_object
*stObj
;
65 GLboolean flush
, retval
;
68 if (fprog
->Base
.SamplersUsed
& (1 << su
))
69 texUnit
= fprog
->Base
.SamplerUnits
[su
];
71 texUnit
= vprog
->Base
.SamplerUnits
[su
];
73 texObj
= st
->ctx
->Texture
.Unit
[texUnit
]._Current
;
76 texObj
= st_get_default_texture(st
);
78 stObj
= st_texture_object(texObj
);
80 retval
= st_finalize_texture(st
->ctx
, st
->pipe
, texObj
, &flush
);
86 st
->state
.num_textures
= su
+ 1;
88 sampler_view
= st_get_texture_sampler_view(stObj
, pipe
);
93 printf("%s su=%u non-null\n", __FUNCTION__, su);
96 printf("%s su=%u null\n", __FUNCTION__, su);
100 pipe_sampler_view_reference(&st
->state
.sampler_views
[su
], sampler_view
);
103 cso_set_fragment_sampler_views(st
->cso_context
,
104 st
->state
.num_textures
,
105 st
->state
.sampler_views
);
106 if (st
->ctx
->Const
.MaxVertexTextureImageUnits
> 0) {
107 cso_set_vertex_sampler_views(st
->cso_context
,
108 MIN2(st
->state
.num_textures
,
109 st
->ctx
->Const
.MaxVertexTextureImageUnits
),
110 st
->state
.sampler_views
);
115 const struct st_tracked_state st_update_texture
= {
116 "st_update_texture", /* name */
118 _NEW_TEXTURE
, /* mesa */
119 ST_NEW_FRAGMENT_PROGRAM
, /* st */
121 update_textures
/* update */
128 finalize_textures(struct st_context
*st
)
130 struct gl_fragment_program
*fprog
= st
->ctx
->FragmentProgram
._Current
;
131 const GLboolean prev_missing_textures
= st
->missing_textures
;
134 st
->missing_textures
= GL_FALSE
;
136 for (su
= 0; su
< st
->ctx
->Const
.MaxTextureCoordUnits
; su
++) {
137 if (fprog
->Base
.SamplersUsed
& (1 << su
)) {
138 const GLuint texUnit
= fprog
->Base
.SamplerUnits
[su
];
139 struct gl_texture_object
*texObj
140 = st
->ctx
->Texture
.Unit
[texUnit
]._Current
;
141 struct st_texture_object
*stObj
= st_texture_object(texObj
);
144 GLboolean flush
, retval
;
146 retval
= st_finalize_texture(st
->ctx
, st
->pipe
, texObj
, &flush
);
149 st
->missing_textures
= GL_TRUE
;
153 stObj
->teximage_realloc
= TRUE
;
158 if (prev_missing_textures
!= st
->missing_textures
)
159 st
->dirty
.st
|= ST_NEW_FRAGMENT_PROGRAM
;
164 const struct st_tracked_state st_finalize_textures
= {
165 "st_finalize_textures", /* name */
167 _NEW_TEXTURE
, /* mesa */
170 finalize_textures
/* update */