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 "pipe/p_inlines.h"
41 #include "cso_cache/cso_context.h"
45 update_textures(struct st_context
*st
)
47 struct gl_vertex_program
*vprog
= st
->ctx
->VertexProgram
._Current
;
48 struct gl_fragment_program
*fprog
= st
->ctx
->FragmentProgram
._Current
;
49 const GLbitfield samplersUsed
= (vprog
->Base
.SamplersUsed
|
50 fprog
->Base
.SamplersUsed
);
53 st
->state
.num_textures
= 0;
55 /* loop over sampler units (aka tex image units) */
56 for (su
= 0; su
< st
->ctx
->Const
.MaxTextureImageUnits
; su
++) {
57 struct pipe_texture
*pt
= NULL
;
59 if (samplersUsed
& (1 << su
)) {
60 struct gl_texture_object
*texObj
;
61 struct st_texture_object
*stObj
;
62 GLboolean flush
, retval
;
65 if (fprog
->Base
.SamplersUsed
& (1 << su
))
66 texUnit
= fprog
->Base
.SamplerUnits
[su
];
68 texUnit
= vprog
->Base
.SamplerUnits
[su
];
70 texObj
= st
->ctx
->Texture
.Unit
[texUnit
]._Current
;
73 texObj
= st_get_default_texture(st
);
75 stObj
= st_texture_object(texObj
);
77 retval
= st_finalize_texture(st
->ctx
, st
->pipe
, texObj
, &flush
);
83 st
->state
.num_textures
= su
+ 1;
85 pt
= st_get_stobj_texture(stObj
);
90 printf("%s su=%u non-null\n", __FUNCTION__, su);
93 printf("%s su=%u null\n", __FUNCTION__, su);
97 pipe_texture_reference(&st
->state
.sampler_texture
[su
], pt
);
100 cso_set_sampler_textures(st
->cso_context
,
101 st
->state
.num_textures
,
102 st
->state
.sampler_texture
);
106 const struct st_tracked_state st_update_texture
= {
107 "st_update_texture", /* name */
109 _NEW_TEXTURE
, /* mesa */
110 ST_NEW_FRAGMENT_PROGRAM
, /* st */
112 update_textures
/* update */
119 finalize_textures(struct st_context
*st
)
121 struct gl_fragment_program
*fprog
= st
->ctx
->FragmentProgram
._Current
;
122 const GLboolean prev_missing_textures
= st
->missing_textures
;
125 st
->missing_textures
= GL_FALSE
;
127 for (su
= 0; su
< st
->ctx
->Const
.MaxTextureCoordUnits
; su
++) {
128 if (fprog
->Base
.SamplersUsed
& (1 << su
)) {
129 const GLuint texUnit
= fprog
->Base
.SamplerUnits
[su
];
130 struct gl_texture_object
*texObj
131 = st
->ctx
->Texture
.Unit
[texUnit
]._Current
;
132 struct st_texture_object
*stObj
= st_texture_object(texObj
);
135 GLboolean flush
, retval
;
137 retval
= st_finalize_texture(st
->ctx
, st
->pipe
, texObj
, &flush
);
140 st
->missing_textures
= GL_TRUE
;
144 stObj
->teximage_realloc
= TRUE
;
149 if (prev_missing_textures
!= st
->missing_textures
)
150 st
->dirty
.st
|= ST_NEW_FRAGMENT_PROGRAM
;
155 const struct st_tracked_state st_finalize_textures
= {
156 "st_finalize_textures", /* name */
158 _NEW_TEXTURE
, /* mesa */
161 finalize_textures
/* update */