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_gldefs.h"
30 #include "nouveau_texture.h"
31 #include "nv20_3d.xml.h"
32 #include "nouveau_util.h"
33 #include "nv20_driver.h"
34 #include "main/samplerobj.h"
37 nv20_emit_tex_gen(struct gl_context
*ctx
, int emit
)
39 const int i
= emit
- NOUVEAU_STATE_TEX_GEN0
;
40 struct nouveau_context
*nctx
= to_nouveau_context(ctx
);
41 struct nouveau_pushbuf
*push
= context_push(ctx
);
42 struct gl_texture_unit
*unit
= &ctx
->Texture
.Unit
[i
];
45 for (j
= 0; j
< 4; j
++) {
46 if (nctx
->fallback
== HWTNL
&& (unit
->TexGenEnabled
& 1 << j
)) {
47 struct gl_texgen
*coord
= get_texgen_coord(unit
, j
);
48 float *k
= get_texgen_coeff(coord
);
51 BEGIN_NV04(push
, NV20_3D(TEX_GEN_COEFF(i
, j
)), 4);
52 PUSH_DATAp(push
, k
, 4);
55 BEGIN_NV04(push
, NV20_3D(TEX_GEN_MODE(i
, j
)), 1);
56 PUSH_DATA (push
, nvgl_texgen_mode(coord
->Mode
));
59 BEGIN_NV04(push
, NV20_3D(TEX_GEN_MODE(i
, j
)), 1);
66 nv20_emit_tex_mat(struct gl_context
*ctx
, int emit
)
68 const int i
= emit
- NOUVEAU_STATE_TEX_MAT0
;
69 struct nouveau_context
*nctx
= to_nouveau_context(ctx
);
70 struct nouveau_pushbuf
*push
= context_push(ctx
);
72 if (nctx
->fallback
== HWTNL
&&
73 (ctx
->Texture
._TexMatEnabled
& 1 << i
)) {
74 BEGIN_NV04(push
, NV20_3D(TEX_MATRIX_ENABLE(i
)), 1);
77 BEGIN_NV04(push
, NV20_3D(TEX_MATRIX(i
,0)), 16);
78 PUSH_DATAm(push
, ctx
->TextureMatrixStack
[i
].Top
->m
);
81 BEGIN_NV04(push
, NV20_3D(TEX_MATRIX_ENABLE(i
)), 1);
87 get_tex_format_pot(struct gl_texture_image
*ti
)
89 switch (ti
->TexFormat
) {
90 case MESA_FORMAT_B8G8R8A8_UNORM
:
91 return NV20_3D_TEX_FORMAT_FORMAT_A8R8G8B8
;
93 case MESA_FORMAT_B5G5R5A1_UNORM
:
94 return NV20_3D_TEX_FORMAT_FORMAT_A1R5G5B5
;
96 case MESA_FORMAT_B4G4R4A4_UNORM
:
97 return NV20_3D_TEX_FORMAT_FORMAT_A4R4G4B4
;
99 case MESA_FORMAT_B8G8R8X8_UNORM
:
100 return NV20_3D_TEX_FORMAT_FORMAT_X8R8G8B8
;
102 case MESA_FORMAT_B5G6R5_UNORM
:
103 return NV20_3D_TEX_FORMAT_FORMAT_R5G6B5
;
105 case MESA_FORMAT_A_UNORM8
:
106 case MESA_FORMAT_I_UNORM8
:
107 return NV20_3D_TEX_FORMAT_FORMAT_I8
;
109 case MESA_FORMAT_L_UNORM8
:
110 return NV20_3D_TEX_FORMAT_FORMAT_L8
;
112 case MESA_FORMAT_RGB_DXT1
:
113 case MESA_FORMAT_RGBA_DXT1
:
114 return NV20_3D_TEX_FORMAT_FORMAT_DXT1
;
116 case MESA_FORMAT_RGBA_DXT3
:
117 return NV20_3D_TEX_FORMAT_FORMAT_DXT3
;
119 case MESA_FORMAT_RGBA_DXT5
:
120 return NV20_3D_TEX_FORMAT_FORMAT_DXT5
;
128 get_tex_format_rect(struct gl_texture_image
*ti
)
130 switch (ti
->TexFormat
) {
131 case MESA_FORMAT_B8G8R8A8_UNORM
:
132 return NV20_3D_TEX_FORMAT_FORMAT_A8R8G8B8_RECT
;
134 case MESA_FORMAT_B5G5R5A1_UNORM
:
135 return NV20_3D_TEX_FORMAT_FORMAT_A1R5G5B5_RECT
;
137 case MESA_FORMAT_B4G4R4A4_UNORM
:
138 return NV20_3D_TEX_FORMAT_FORMAT_A4R4G4B4_RECT
;
140 case MESA_FORMAT_B8G8R8X8_UNORM
:
141 return NV20_3D_TEX_FORMAT_FORMAT_R8G8B8_RECT
;
143 case MESA_FORMAT_B5G6R5_UNORM
:
144 return NV20_3D_TEX_FORMAT_FORMAT_R5G6B5_RECT
;
146 case MESA_FORMAT_L_UNORM8
:
147 return NV20_3D_TEX_FORMAT_FORMAT_L8_RECT
;
149 case MESA_FORMAT_A_UNORM8
:
150 case MESA_FORMAT_I_UNORM8
:
151 return NV20_3D_TEX_FORMAT_FORMAT_I8_RECT
;
159 nv20_emit_tex_obj(struct gl_context
*ctx
, int emit
)
161 const int i
= emit
- NOUVEAU_STATE_TEX_OBJ0
;
162 struct nouveau_pushbuf
*push
= context_push(ctx
);
163 const int bo_flags
= NOUVEAU_BO_RD
| NOUVEAU_BO_GART
| NOUVEAU_BO_VRAM
;
164 struct gl_texture_object
*t
;
165 struct nouveau_surface
*s
;
166 struct gl_texture_image
*ti
;
167 const struct gl_sampler_object
*sa
;
168 uint32_t tx_format
, tx_filter
, tx_wrap
, tx_enable
;
170 PUSH_RESET(push
, BUFCTX_TEX(i
));
172 if (!ctx
->Texture
.Unit
[i
]._ReallyEnabled
) {
173 BEGIN_NV04(push
, NV20_3D(TEX_ENABLE(i
)), 1);
176 context_dirty(ctx
, TEX_SHADER
);
180 t
= ctx
->Texture
.Unit
[i
]._Current
;
181 s
= &to_nouveau_texture(t
)->surfaces
[t
->BaseLevel
];
182 ti
= t
->Image
[0][t
->BaseLevel
];
183 sa
= _mesa_get_samplerobj(ctx
, i
);
185 if (!nouveau_texture_validate(ctx
, t
))
188 /* Recompute the texturing registers. */
189 tx_format
= ti
->DepthLog2
<< 28
190 | ti
->HeightLog2
<< 24
191 | ti
->WidthLog2
<< 20
192 | NV20_3D_TEX_FORMAT_DIMS_2D
193 | NV20_3D_TEX_FORMAT_NO_BORDER
196 tx_wrap
= nvgl_wrap_mode(sa
->WrapR
) << 16
197 | nvgl_wrap_mode(sa
->WrapT
) << 8
198 | nvgl_wrap_mode(sa
->WrapS
) << 0;
200 tx_filter
= nvgl_filter_mode(sa
->MagFilter
) << 24
201 | nvgl_filter_mode(sa
->MinFilter
) << 16
204 tx_enable
= NV20_3D_TEX_ENABLE_ENABLE
205 | log2i(sa
->MaxAnisotropy
) << 4;
207 if (t
->Target
== GL_TEXTURE_RECTANGLE
) {
208 BEGIN_NV04(push
, NV20_3D(TEX_NPOT_PITCH(i
)), 1);
209 PUSH_DATA (push
, s
->pitch
<< 16);
210 BEGIN_NV04(push
, NV20_3D(TEX_NPOT_SIZE(i
)), 1);
211 PUSH_DATA (push
, s
->width
<< 16 | s
->height
);
213 tx_format
|= get_tex_format_rect(ti
);
215 tx_format
|= get_tex_format_pot(ti
);
218 if (sa
->MinFilter
!= GL_NEAREST
&&
219 sa
->MinFilter
!= GL_LINEAR
) {
220 int lod_min
= sa
->MinLod
;
221 int lod_max
= MIN2(sa
->MaxLod
, t
->_MaxLambda
);
222 int lod_bias
= sa
->LodBias
223 + ctx
->Texture
.Unit
[i
].LodBias
;
225 lod_max
= CLAMP(lod_max
, 0, 15);
226 lod_min
= CLAMP(lod_min
, 0, 15);
227 lod_bias
= CLAMP(lod_bias
, 0, 15);
229 tx_format
|= NV20_3D_TEX_FORMAT_MIPMAP
;
230 tx_filter
|= lod_bias
<< 8;
231 tx_enable
|= lod_min
<< 26
235 /* Write it to the hardware. */
236 BEGIN_NV04(push
, NV20_3D(TEX_FORMAT(i
)), 1);
237 PUSH_MTHD (push
, NV20_3D(TEX_FORMAT(i
)), BUFCTX_TEX(i
),
238 s
->bo
, tx_format
, bo_flags
| NOUVEAU_BO_OR
,
239 NV20_3D_TEX_FORMAT_DMA0
,
240 NV20_3D_TEX_FORMAT_DMA1
);
242 BEGIN_NV04(push
, NV20_3D(TEX_OFFSET(i
)), 1);
243 PUSH_MTHDl(push
, NV20_3D(TEX_OFFSET(i
)), BUFCTX_TEX(i
),
244 s
->bo
, s
->offset
, bo_flags
);
246 BEGIN_NV04(push
, NV20_3D(TEX_WRAP(i
)), 1);
247 PUSH_DATA (push
, tx_wrap
);
249 BEGIN_NV04(push
, NV20_3D(TEX_FILTER(i
)), 1);
250 PUSH_DATA (push
, tx_filter
);
252 BEGIN_NV04(push
, NV20_3D(TEX_ENABLE(i
)), 1);
253 PUSH_DATA (push
, tx_enable
);
255 context_dirty(ctx
, TEX_SHADER
);
259 nv20_emit_tex_shader(struct gl_context
*ctx
, int emit
)
261 struct nouveau_pushbuf
*push
= context_push(ctx
);
262 uint32_t tx_shader_op
= 0;
265 for (i
= 0; i
< NV20_TEXTURE_UNITS
; i
++) {
266 if (!ctx
->Texture
.Unit
[i
]._ReallyEnabled
)
269 tx_shader_op
|= NV20_3D_TEX_SHADER_OP_TX0_TEXTURE_2D
<< 5 * i
;
272 BEGIN_NV04(push
, NV20_3D(TEX_SHADER_OP
), 1);
273 PUSH_DATA (push
, tx_shader_op
);