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 "nouveau_class.h"
32 #include "nouveau_util.h"
33 #include "nv20_driver.h"
35 #define TX_GEN_MODE(i, j) (NV20TCL_TX_GEN_MODE_S(i) + 4 * (j))
36 #define TX_GEN_COEFF(i, j) (NV20TCL_TX_GEN_COEFF_S_A(i) + 16 * (j))
37 #define TX_MATRIX(i) (NV20TCL_TX0_MATRIX(0) + 64 * (i))
40 nv20_emit_tex_gen(GLcontext
*ctx
, int emit
)
42 const int i
= emit
- NOUVEAU_STATE_TEX_GEN0
;
43 struct nouveau_context
*nctx
= to_nouveau_context(ctx
);
44 struct nouveau_channel
*chan
= context_chan(ctx
);
45 struct nouveau_grobj
*kelvin
= context_eng3d(ctx
);
46 struct gl_texture_unit
*unit
= &ctx
->Texture
.Unit
[i
];
49 for (j
= 0; j
< 4; j
++) {
50 if (nctx
->fallback
== HWTNL
&& (unit
->TexGenEnabled
& 1 << j
)) {
51 struct gl_texgen
*coord
= get_texgen_coord(unit
, j
);
52 float *k
= get_texgen_coeff(coord
);
55 BEGIN_RING(chan
, kelvin
, TX_GEN_COEFF(i
, j
), 4);
56 OUT_RINGp(chan
, k
, 4);
59 BEGIN_RING(chan
, kelvin
, TX_GEN_MODE(i
, j
), 1);
60 OUT_RING(chan
, nvgl_texgen_mode(coord
->Mode
));
63 BEGIN_RING(chan
, kelvin
, TX_GEN_MODE(i
, j
), 1);
70 nv20_emit_tex_mat(GLcontext
*ctx
, int emit
)
72 const int i
= emit
- NOUVEAU_STATE_TEX_MAT0
;
73 struct nouveau_context
*nctx
= to_nouveau_context(ctx
);
74 struct nouveau_channel
*chan
= context_chan(ctx
);
75 struct nouveau_grobj
*kelvin
= context_eng3d(ctx
);
77 if (nctx
->fallback
== HWTNL
&&
78 (ctx
->Texture
._TexMatEnabled
& 1 << i
)) {
79 BEGIN_RING(chan
, kelvin
, NV20TCL_TX_MATRIX_ENABLE(i
), 1);
82 BEGIN_RING(chan
, kelvin
, TX_MATRIX(i
), 16);
83 OUT_RINGm(chan
, ctx
->TextureMatrixStack
[i
].Top
->m
);
86 BEGIN_RING(chan
, kelvin
, NV20TCL_TX_MATRIX_ENABLE(i
), 1);
92 get_tex_format_pot(struct gl_texture_image
*ti
)
94 switch (ti
->TexFormat
) {
95 case MESA_FORMAT_ARGB8888
:
96 return NV20TCL_TX_FORMAT_FORMAT_A8R8G8B8
;
98 case MESA_FORMAT_ARGB1555
:
99 return NV20TCL_TX_FORMAT_FORMAT_A1R5G5B5
;
101 case MESA_FORMAT_ARGB4444
:
102 return NV20TCL_TX_FORMAT_FORMAT_A4R4G4B4
;
104 case MESA_FORMAT_XRGB8888
:
105 return NV20TCL_TX_FORMAT_FORMAT_X8R8G8B8
;
107 case MESA_FORMAT_RGB565
:
108 return NV20TCL_TX_FORMAT_FORMAT_R5G6B5
;
112 return NV20TCL_TX_FORMAT_FORMAT_A8
;
115 return NV20TCL_TX_FORMAT_FORMAT_L8
;
117 case MESA_FORMAT_CI8
:
118 return NV20TCL_TX_FORMAT_FORMAT_INDEX8
;
126 get_tex_format_rect(struct gl_texture_image
*ti
)
128 switch (ti
->TexFormat
) {
129 case MESA_FORMAT_ARGB8888
:
130 return NV20TCL_TX_FORMAT_FORMAT_A8R8G8B8_RECT
;
132 case MESA_FORMAT_ARGB1555
:
133 return NV20TCL_TX_FORMAT_FORMAT_A1R5G5B5_RECT
;
135 case MESA_FORMAT_ARGB4444
:
136 return NV20TCL_TX_FORMAT_FORMAT_A4R4G4B4_RECT
;
138 case MESA_FORMAT_XRGB8888
:
139 return NV20TCL_TX_FORMAT_FORMAT_R8G8B8_RECT
;
141 case MESA_FORMAT_RGB565
:
142 return NV20TCL_TX_FORMAT_FORMAT_R5G6B5_RECT
;
145 return NV20TCL_TX_FORMAT_FORMAT_L8_RECT
;
149 return NV20TCL_TX_FORMAT_FORMAT_A8_RECT
;
157 nv20_emit_tex_obj(GLcontext
*ctx
, int emit
)
159 const int i
= emit
- NOUVEAU_STATE_TEX_OBJ0
;
160 struct nouveau_channel
*chan
= context_chan(ctx
);
161 struct nouveau_grobj
*kelvin
= context_eng3d(ctx
);
162 struct nouveau_bo_context
*bctx
= context_bctx_i(ctx
, TEXTURE
, i
);
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 uint32_t tx_format
, tx_filter
, tx_wrap
, tx_enable
;
169 if (!ctx
->Texture
.Unit
[i
]._ReallyEnabled
) {
170 BEGIN_RING(chan
, kelvin
, NV20TCL_TX_ENABLE(i
), 1);
173 context_dirty(ctx
, TEX_SHADER
);
177 t
= ctx
->Texture
.Unit
[i
]._Current
;
178 s
= &to_nouveau_texture(t
)->surfaces
[t
->BaseLevel
];
179 ti
= t
->Image
[0][t
->BaseLevel
];
181 if (!nouveau_texture_validate(ctx
, t
))
184 /* Recompute the texturing registers. */
185 tx_format
= ti
->DepthLog2
<< 28
186 | ti
->HeightLog2
<< 24
187 | ti
->WidthLog2
<< 20
188 | NV20TCL_TX_FORMAT_DIMS_2D
189 | NV20TCL_TX_FORMAT_NO_BORDER
192 tx_wrap
= nvgl_wrap_mode(t
->WrapR
) << 16
193 | nvgl_wrap_mode(t
->WrapT
) << 8
194 | nvgl_wrap_mode(t
->WrapS
) << 0;
196 tx_filter
= nvgl_filter_mode(t
->MagFilter
) << 24
197 | nvgl_filter_mode(t
->MinFilter
) << 16;
199 tx_enable
= NV20TCL_TX_ENABLE_ENABLE
200 | log2i(t
->MaxAnisotropy
) << 4;
202 if (t
->Target
== GL_TEXTURE_RECTANGLE
) {
203 BEGIN_RING(chan
, kelvin
, NV20TCL_TX_NPOT_PITCH(i
), 1);
204 OUT_RING(chan
, s
->pitch
<< 16);
205 BEGIN_RING(chan
, kelvin
, NV20TCL_TX_NPOT_SIZE(i
), 1);
206 OUT_RING(chan
, s
->width
<< 16 | s
->height
);
208 tx_format
|= get_tex_format_rect(ti
);
210 tx_format
|= get_tex_format_pot(ti
);
213 if (t
->MinFilter
!= GL_NEAREST
&&
214 t
->MinFilter
!= GL_LINEAR
) {
215 int lod_min
= t
->MinLod
;
216 int lod_max
= MIN2(t
->MaxLod
, t
->_MaxLambda
);
217 int lod_bias
= t
->LodBias
218 + ctx
->Texture
.Unit
[i
].LodBias
;
220 lod_max
= CLAMP(lod_max
, 0, 15);
221 lod_min
= CLAMP(lod_min
, 0, 15);
222 lod_bias
= CLAMP(lod_bias
, 0, 15);
224 tx_format
|= NV20TCL_TX_FORMAT_MIPMAP
;
225 tx_filter
|= lod_bias
<< 8;
226 tx_enable
|= lod_min
<< 26
230 /* Write it to the hardware. */
231 nouveau_bo_mark(bctx
, kelvin
, NV20TCL_TX_FORMAT(i
),
233 NV20TCL_TX_FORMAT_DMA0
,
234 NV20TCL_TX_FORMAT_DMA1
,
235 bo_flags
| NOUVEAU_BO_OR
);
237 nouveau_bo_markl(bctx
, kelvin
, NV20TCL_TX_OFFSET(i
),
240 BEGIN_RING(chan
, kelvin
, NV20TCL_TX_WRAP(i
), 1);
241 OUT_RING(chan
, tx_wrap
);
243 BEGIN_RING(chan
, kelvin
, NV20TCL_TX_FILTER(i
), 1);
244 OUT_RING(chan
, tx_filter
);
246 BEGIN_RING(chan
, kelvin
, NV20TCL_TX_ENABLE(i
), 1);
247 OUT_RING(chan
, tx_enable
);
249 context_dirty(ctx
, TEX_SHADER
);
253 nv20_emit_tex_shader(GLcontext
*ctx
, int emit
)
255 struct nouveau_channel
*chan
= context_chan(ctx
);
256 struct nouveau_grobj
*kelvin
= context_eng3d(ctx
);
257 uint32_t tx_shader_op
= 0;
260 for (i
= 0; i
< NV20_TEXTURE_UNITS
; i
++) {
261 if (!ctx
->Texture
.Unit
[i
]._ReallyEnabled
)
264 tx_shader_op
|= NV20TCL_TX_SHADER_OP_TX0_TEXTURE_2D
<< 5 * i
;
267 BEGIN_RING(chan
, kelvin
, NV20TCL_TX_SHADER_OP
, 1);
268 OUT_RING(chan
, tx_shader_op
);