2 * Copyright (C) 2009 Francisco Jerez.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 #include "nouveau_driver.h"
28 #include "nouveau_context.h"
29 #include "nouveau_texture.h"
30 #include "nouveau_util.h"
31 #include "nouveau_gldefs.h"
32 #include "nv_object.xml.h"
33 #include "nv04_3d.xml.h"
34 #include "nv04_driver.h"
35 #include "main/samplerobj.h"
38 get_tex_format(struct gl_texture_image
*ti
)
40 switch (ti
->TexFormat
) {
41 case MESA_FORMAT_A_UNORM8
:
42 case MESA_FORMAT_L_UNORM8
:
43 case MESA_FORMAT_I_UNORM8
:
44 return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_Y8
;
45 case MESA_FORMAT_B5G5R5A1_UNORM
:
46 return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_A1R5G5B5
;
47 case MESA_FORMAT_B4G4R4A4_UNORM
:
48 return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_A4R4G4B4
;
49 case MESA_FORMAT_B5G6R5_UNORM
:
50 return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_R5G6B5
;
51 case MESA_FORMAT_B8G8R8A8_UNORM
:
52 return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_A8R8G8B8
;
53 case MESA_FORMAT_B8G8R8X8_UNORM
:
54 return NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_X8R8G8B8
;
61 nv04_emit_tex_obj(struct gl_context
*ctx
, int emit
)
63 struct nv04_context
*nv04
= to_nv04_context(ctx
);
64 const int i
= emit
- NOUVEAU_STATE_TEX_OBJ0
;
65 struct nouveau_surface
*s
;
66 uint32_t format
= 0xa0, filter
= 0x1010;
68 if (ctx
->Texture
.Unit
[i
]._Current
) {
69 struct gl_texture_object
*t
= ctx
->Texture
.Unit
[i
]._Current
;
70 struct gl_texture_image
*ti
= t
->Image
[0][t
->BaseLevel
];
71 const struct gl_sampler_object
*sa
= _mesa_get_samplerobj(ctx
, i
);
72 int lod_max
= 1, lod_bias
= 0;
74 if (!nouveau_texture_validate(ctx
, t
))
77 s
= &to_nouveau_texture(t
)->surfaces
[t
->BaseLevel
];
79 if (sa
->MinFilter
!= GL_NEAREST
&&
80 sa
->MinFilter
!= GL_LINEAR
) {
81 lod_max
= CLAMP(MIN2(sa
->MaxLod
, t
->_MaxLambda
),
84 lod_bias
= CLAMP(ctx
->Texture
.Unit
[i
].LodBias
+
85 sa
->LodBias
, -16, 15) * 8;
88 format
|= nvgl_wrap_mode(sa
->WrapT
) << 28 |
89 nvgl_wrap_mode(sa
->WrapS
) << 24 |
90 ti
->HeightLog2
<< 20 |
95 filter
|= log2i(sa
->MaxAnisotropy
) << 31 |
96 nvgl_filter_mode(sa
->MagFilter
) << 28 |
97 log2i(sa
->MaxAnisotropy
) << 27 |
98 nvgl_filter_mode(sa
->MinFilter
) << 24 |
99 (lod_bias
& 0xff) << 16;
102 s
= &to_nv04_context(ctx
)->dummy_texture
;
104 format
|= NV04_TEXTURED_TRIANGLE_FORMAT_ADDRESSU_REPEAT
|
105 NV04_TEXTURED_TRIANGLE_FORMAT_ADDRESSV_REPEAT
|
107 NV04_TEXTURED_TRIANGLE_FORMAT_COLOR_A8R8G8B8
;
109 filter
|= NV04_TEXTURED_TRIANGLE_FILTER_MINIFY_NEAREST
|
110 NV04_TEXTURED_TRIANGLE_FILTER_MAGNIFY_NEAREST
;
113 nv04
->texture
[i
] = s
;
114 nv04
->format
[i
] = format
;
115 nv04
->filter
[i
] = filter
;