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 "cso_cache/cso_context.h"
46 update_textures(struct st_context
*st
)
48 struct gl_vertex_program
*vprog
= st
->ctx
->VertexProgram
._Current
;
49 struct gl_fragment_program
*fprog
= st
->ctx
->FragmentProgram
._Current
;
50 const GLbitfield samplersUsed
= (vprog
->Base
.SamplersUsed
|
51 fprog
->Base
.SamplersUsed
);
54 st
->state
.num_textures
= 0;
56 /* loop over sampler units (aka tex image units) */
57 for (su
= 0; su
< st
->ctx
->Const
.MaxTextureImageUnits
; su
++) {
58 struct pipe_texture
*pt
= NULL
;
60 if (samplersUsed
& (1 << su
)) {
61 struct gl_texture_object
*texObj
;
62 struct st_texture_object
*stObj
;
63 GLboolean flush
, retval
;
66 if (fprog
->Base
.SamplersUsed
& (1 << su
))
67 texUnit
= fprog
->Base
.SamplerUnits
[su
];
69 texUnit
= vprog
->Base
.SamplerUnits
[su
];
71 texObj
= st
->ctx
->Texture
.Unit
[texUnit
]._Current
;
74 texObj
= st_get_default_texture(st
);
76 stObj
= st_texture_object(texObj
);
78 retval
= st_finalize_texture(st
->ctx
, st
->pipe
, texObj
, &flush
);
84 st
->state
.num_textures
= su
+ 1;
86 pt
= st_get_stobj_texture(stObj
);
91 printf("%s su=%u non-null\n", __FUNCTION__, su);
94 printf("%s su=%u null\n", __FUNCTION__, su);
98 pipe_texture_reference(&st
->state
.sampler_texture
[su
], pt
);
101 cso_set_sampler_textures(st
->cso_context
,
102 st
->state
.num_textures
,
103 st
->state
.sampler_texture
);
104 if (st
->ctx
->Const
.MaxVertexTextureImageUnits
> 0) {
105 cso_set_vertex_sampler_textures(st
->cso_context
,
106 MIN2(st
->state
.num_textures
,
107 st
->ctx
->Const
.MaxVertexTextureImageUnits
),
108 st
->state
.sampler_texture
);
113 const struct st_tracked_state st_update_texture
= {
114 "st_update_texture", /* name */
116 _NEW_TEXTURE
, /* mesa */
117 ST_NEW_FRAGMENT_PROGRAM
, /* st */
119 update_textures
/* update */
126 finalize_textures(struct st_context
*st
)
128 struct gl_fragment_program
*fprog
= st
->ctx
->FragmentProgram
._Current
;
129 const GLboolean prev_missing_textures
= st
->missing_textures
;
132 st
->missing_textures
= GL_FALSE
;
134 for (su
= 0; su
< st
->ctx
->Const
.MaxTextureCoordUnits
; su
++) {
135 if (fprog
->Base
.SamplersUsed
& (1 << su
)) {
136 const GLuint texUnit
= fprog
->Base
.SamplerUnits
[su
];
137 struct gl_texture_object
*texObj
138 = st
->ctx
->Texture
.Unit
[texUnit
]._Current
;
139 struct st_texture_object
*stObj
= st_texture_object(texObj
);
142 GLboolean flush
, retval
;
144 retval
= st_finalize_texture(st
->ctx
, st
->pipe
, texObj
, &flush
);
147 st
->missing_textures
= GL_TRUE
;
151 stObj
->teximage_realloc
= TRUE
;
156 if (prev_missing_textures
!= st
->missing_textures
)
157 st
->dirty
.st
|= ST_NEW_FRAGMENT_PROGRAM
;
162 const struct st_tracked_state st_finalize_textures
= {
163 "st_finalize_textures", /* name */
165 _NEW_TEXTURE
, /* mesa */
168 finalize_textures
/* update */