2 * Copyright 2008 Ben Skeggs
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 #include "pipe/p_context.h"
24 #include "pipe/p_state.h"
26 #include "nv50_context.h"
28 static INLINE
unsigned
29 nv50_prim(unsigned mode
)
32 case PIPE_PRIM_POINTS
: return NV50TCL_VERTEX_BEGIN_POINTS
;
33 case PIPE_PRIM_LINES
: return NV50TCL_VERTEX_BEGIN_LINES
;
34 case PIPE_PRIM_LINE_LOOP
: return NV50TCL_VERTEX_BEGIN_LINE_LOOP
;
35 case PIPE_PRIM_LINE_STRIP
: return NV50TCL_VERTEX_BEGIN_LINE_STRIP
;
36 case PIPE_PRIM_TRIANGLES
: return NV50TCL_VERTEX_BEGIN_TRIANGLES
;
37 case PIPE_PRIM_TRIANGLE_STRIP
:
38 return NV50TCL_VERTEX_BEGIN_TRIANGLE_STRIP
;
39 case PIPE_PRIM_TRIANGLE_FAN
: return NV50TCL_VERTEX_BEGIN_TRIANGLE_FAN
;
40 case PIPE_PRIM_QUADS
: return NV50TCL_VERTEX_BEGIN_QUADS
;
41 case PIPE_PRIM_QUAD_STRIP
: return NV50TCL_VERTEX_BEGIN_QUAD_STRIP
;
42 case PIPE_PRIM_POLYGON
: return NV50TCL_VERTEX_BEGIN_POLYGON
;
47 NOUVEAU_ERR("invalid primitive type %d\n", mode
);
48 return NV50TCL_VERTEX_BEGIN_POINTS
;
52 nv50_draw_arrays(struct pipe_context
*pipe
, unsigned mode
, unsigned start
,
55 struct nv50_context
*nv50
= nv50_context(pipe
);
57 nv50_state_validate(nv50
);
59 BEGIN_RING(tesla
, 0x142c, 1);
61 BEGIN_RING(tesla
, 0x142c, 1);
64 BEGIN_RING(tesla
, NV50TCL_VERTEX_BEGIN
, 1);
65 OUT_RING (nv50_prim(mode
));
66 BEGIN_RING(tesla
, NV50TCL_VERTEX_BUFFER_FIRST
, 2);
69 BEGIN_RING(tesla
, NV50TCL_VERTEX_END
, 1);
72 pipe
->flush(pipe
, 0, NULL
);
77 nv50_draw_elements_inline_u08(struct nv50_context
*nv50
, uint8_t *map
,
78 unsigned start
, unsigned count
)
83 BEGIN_RING(tesla
, 0x15e8, 1);
90 unsigned nr
= count
> 2046 ? 2046 : count
;
93 BEGIN_RING(tesla
, 0x400015f0, nr
>> 1);
94 for (i
= 0; i
< nr
; i
+= 2)
95 OUT_RING ((map
[1] << 16) | map
[0]);
103 nv50_draw_elements_inline_u16(struct nv50_context
*nv50
, uint16_t *map
,
104 unsigned start
, unsigned count
)
109 BEGIN_RING(tesla
, 0x15e8, 1);
116 unsigned nr
= count
> 2046 ? 2046 : count
;
119 BEGIN_RING(tesla
, 0x400015f0, nr
>> 1);
120 for (i
= 0; i
< nr
; i
+= 2)
121 OUT_RING ((map
[1] << 16) | map
[0]);
129 nv50_draw_elements_inline_u32(struct nv50_context
*nv50
, uint8_t *map
,
130 unsigned start
, unsigned count
)
135 unsigned nr
= count
> 2047 ? 2047 : count
;
137 BEGIN_RING(tesla
, 0x400015e8, nr
);
146 nv50_draw_elements(struct pipe_context
*pipe
,
147 struct pipe_buffer
*indexBuffer
, unsigned indexSize
,
148 unsigned mode
, unsigned start
, unsigned count
)
150 struct nv50_context
*nv50
= nv50_context(pipe
);
151 struct pipe_winsys
*ws
= pipe
->winsys
;
152 void *map
= ws
->buffer_map(ws
, indexBuffer
, PIPE_BUFFER_USAGE_CPU_READ
);
154 nv50_state_validate(nv50
);
156 BEGIN_RING(tesla
, 0x142c, 1);
158 BEGIN_RING(tesla
, 0x142c, 1);
161 BEGIN_RING(tesla
, NV50TCL_VERTEX_BEGIN
, 1);
162 OUT_RING (nv50_prim(mode
));
165 nv50_draw_elements_inline_u08(nv50
, map
, start
, count
);
168 nv50_draw_elements_inline_u16(nv50
, map
, start
, count
);
171 nv50_draw_elements_inline_u32(nv50
, map
, start
, count
);
176 BEGIN_RING(tesla
, NV50TCL_VERTEX_END
, 1);
179 pipe
->flush(pipe
, 0, NULL
);
184 nv50_vbo_validate(struct nv50_context
*nv50
)
186 struct nouveau_grobj
*tesla
= nv50
->screen
->tesla
;
187 struct nouveau_stateobj
*vtxbuf
, *vtxfmt
;
190 vtxbuf
= so_new(nv50
->vtxelt_nr
* 4, nv50
->vtxelt_nr
* 2);
191 vtxfmt
= so_new(nv50
->vtxelt_nr
+ 1, 0);
192 so_method(vtxfmt
, tesla
, 0x1ac0, nv50
->vtxelt_nr
);
194 for (i
= 0; i
< nv50
->vtxelt_nr
; i
++) {
195 struct pipe_vertex_element
*ve
= &nv50
->vtxelt
[i
];
196 struct pipe_vertex_buffer
*vb
=
197 &nv50
->vtxbuf
[ve
->vertex_buffer_index
];
199 switch (ve
->src_format
) {
200 case PIPE_FORMAT_R32G32B32A32_FLOAT
:
201 so_data(vtxfmt
, 0x7e080000 | i
);
203 case PIPE_FORMAT_R32G32B32_FLOAT
:
204 so_data(vtxfmt
, 0x7e100000 | i
);
206 case PIPE_FORMAT_R32G32_FLOAT
:
207 so_data(vtxfmt
, 0x7e200000 | i
);
209 case PIPE_FORMAT_R32_FLOAT
:
210 so_data(vtxfmt
, 0x7e900000 | i
);
212 case PIPE_FORMAT_R8G8B8A8_UNORM
:
213 so_data(vtxfmt
, 0x24500000 | i
);
217 NOUVEAU_ERR("invalid vbo format %s\n",
218 pf_name(ve
->src_format
));
224 so_method(vtxbuf
, tesla
, 0x900 + (i
* 16), 3);
225 so_data (vtxbuf
, 0x20000000 | vb
->pitch
);
226 so_reloc (vtxbuf
, vb
->buffer
, vb
->buffer_offset
+
227 ve
->src_offset
, NOUVEAU_BO_VRAM
| NOUVEAU_BO_GART
|
228 NOUVEAU_BO_RD
| NOUVEAU_BO_HIGH
, 0, 0);
229 so_reloc (vtxbuf
, vb
->buffer
, vb
->buffer_offset
+
230 ve
->src_offset
, NOUVEAU_BO_VRAM
| NOUVEAU_BO_GART
|
231 NOUVEAU_BO_RD
| NOUVEAU_BO_LOW
, 0, 0);
234 so_ref (vtxfmt
, &nv50
->state
.vtxfmt
);
235 so_ref (vtxbuf
, &nv50
->state
.vtxbuf
);