1 /*
2 * Copyright 2012 Red Hat Inc.
3 *
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:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
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 OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Ben Skeggs
23 *
24 */
25
26 #include "util/u_inlines.h"
27
28 #include "nv_object.xml.h"
29 #include "nv30/nv30-40_3d.xml.h"
30 #include "nv30/nv30_context.h"
31 #include "nv30/nv30_format.h"
32
33 void
nv30_fragtex_validate(struct nv30_context * nv30)34 nv30_fragtex_validate(struct nv30_context *nv30)
35 {
36 struct pipe_screen *pscreen = &nv30->screen->base.base;
37 struct nouveau_object *eng3d = nv30->screen->eng3d;
38 struct nouveau_pushbuf *push = nv30->base.pushbuf;
39 unsigned dirty = nv30->fragprog.dirty_samplers;
40
41 while (dirty) {
42 unsigned unit = ffs(dirty) - 1;
43 struct nv30_sampler_view *sv = (void *)nv30->fragprog.textures[unit];
44 struct nv30_sampler_state *ss = nv30->fragprog.samplers[unit];
45
46 PUSH_RESET(push, BUFCTX_FRAGTEX(unit));
47
48 if (ss && sv) {
49 const struct nv30_texfmt *fmt = nv30_texfmt(pscreen, sv->pipe.format);
50 struct pipe_resource *pt = sv->pipe.texture;
51 struct nv30_miptree *mt = nv30_miptree(pt);
52 unsigned min_lod, max_lod;
53 u32 filter = sv->filt | (ss->filt & sv->filt_mask);
54 u32 format = sv->fmt | ss->fmt;
55 u32 enable = ss->en;
56
57 /* handle base_level when not using a mip filter, min/max level
58 * is unfortunately ignored by the hardware otherwise
59 */
60 if (ss->pipe.min_mip_filter == PIPE_TEX_MIPFILTER_NONE) {
61 if (sv->base_lod)
62 filter += 0x00020000; /* N/L -> NMN/LMN */
63 max_lod = sv->base_lod;
64 min_lod = sv->base_lod;
65 } else {
66 max_lod = MIN2(ss->max_lod + sv->base_lod, sv->high_lod);
67 min_lod = MIN2(ss->min_lod + sv->base_lod, max_lod);
68 }
69
70 if (eng3d->oclass >= NV40_3D_CLASS) {
71 /* this is a tad stupid of the hardware, but there's no non-rcomp
72 * z16/z24 texture formats to be had, we have to suffer and lose
73 * some precision to handle this case.
74 */
75 if (ss->pipe.compare_mode != PIPE_TEX_COMPARE_R_TO_TEXTURE) {
76 if (fmt->nv40 == NV40_3D_TEX_FORMAT_FORMAT_Z16)
77 format |= NV40_3D_TEX_FORMAT_FORMAT_A8L8;
78 else
79 if (fmt->nv40 == NV40_3D_TEX_FORMAT_FORMAT_Z24)
80 format |= NV40_3D_TEX_FORMAT_FORMAT_A16L16;
81 else
82 format |= fmt->nv40;
83 } else {
84 format |= fmt->nv40;
85 }
86
87 enable |= (min_lod << 19) | (max_lod << 7);
88 enable |= NV40_3D_TEX_ENABLE_ENABLE;
89
90 BEGIN_NV04(push, NV40_3D(TEX_SIZE1(unit)), 1);
91 PUSH_DATA (push, sv->npot_size1);
92 } else {
93 /* this is a tad stupid of the hardware, but there's no non-rcomp
94 * z16/z24 texture formats to be had, we have to suffer and lose
95 * some precision to handle this case.
96 */
97 if (ss->pipe.compare_mode != PIPE_TEX_COMPARE_R_TO_TEXTURE) {
98 if (fmt->nv30 == NV30_3D_TEX_FORMAT_FORMAT_Z16) {
99 if (ss->pipe.normalized_coords)
100 format |= NV30_3D_TEX_FORMAT_FORMAT_A8L8;
101 else
102 format |= NV30_3D_TEX_FORMAT_FORMAT_A8L8_RECT;
103 } else
104 if (fmt->nv30 == NV30_3D_TEX_FORMAT_FORMAT_Z24) {
105 if (ss->pipe.normalized_coords)
106 format |= NV30_3D_TEX_FORMAT_FORMAT_HILO16;
107 else
108 format |= NV30_3D_TEX_FORMAT_FORMAT_HILO16_RECT;
109 } else {
110 if (ss->pipe.normalized_coords)
111 format |= fmt->nv30;
112 else
113 format |= fmt->nv30_rect;
114 }
115 } else {
116 if (ss->pipe.normalized_coords)
117 format |= fmt->nv30;
118 else
119 format |= fmt->nv30_rect;
120 }
121
122 enable |= NV30_3D_TEX_ENABLE_ENABLE;
123 enable |= (min_lod << 18) | (max_lod << 6);
124 }
125
126 BEGIN_NV04(push, NV30_3D(TEX_OFFSET(unit)), 8);
127 PUSH_MTHDl(push, NV30_3D(TEX_OFFSET(unit)), BUFCTX_FRAGTEX(unit),
128 mt->base.bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD);
129 PUSH_MTHDs(push, NV30_3D(TEX_FORMAT(unit)), BUFCTX_FRAGTEX(unit),
130 mt->base.bo, format, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD,
131 NV30_3D_TEX_FORMAT_DMA0,
132 NV30_3D_TEX_FORMAT_DMA1);
133 PUSH_DATA (push, sv->wrap | (ss->wrap & sv->wrap_mask));
134 PUSH_DATA (push, enable);
135 PUSH_DATA (push, sv->swz);
136 PUSH_DATA (push, filter);
137 PUSH_DATA (push, sv->npot_size0);
138 PUSH_DATA (push, ss->bcol);
139 BEGIN_NV04(push, NV30_3D(TEX_FILTER_OPTIMIZATION(unit)), 1);
140 PUSH_DATA (push, nv30->config.filter);
141 } else {
142 BEGIN_NV04(push, NV30_3D(TEX_ENABLE(unit)), 1);
143 PUSH_DATA (push, 0);
144 }
145
146 dirty &= ~(1 << unit);
147 }
148
149 nv30->fragprog.dirty_samplers = 0;
150 }
151
152 void
nv30_fragtex_sampler_states_bind(struct pipe_context * pipe,unsigned nr,void ** hwcso)153 nv30_fragtex_sampler_states_bind(struct pipe_context *pipe,
154 unsigned nr, void **hwcso)
155 {
156 struct nv30_context *nv30 = nv30_context(pipe);
157 unsigned i;
158
159 for (i = 0; i < nr; i++) {
160 nv30->fragprog.samplers[i] = hwcso[i];
161 nv30->fragprog.dirty_samplers |= (1 << i);
162 }
163
164 for (; i < nv30->fragprog.num_samplers; i++) {
165 nv30->fragprog.samplers[i] = NULL;
166 nv30->fragprog.dirty_samplers |= (1 << i);
167 }
168
169 nv30->fragprog.num_samplers = nr;
170 nv30->dirty |= NV30_NEW_FRAGTEX;
171 }
172
173
174 void
nv30_fragtex_set_sampler_views(struct pipe_context * pipe,unsigned nr,struct pipe_sampler_view ** views)175 nv30_fragtex_set_sampler_views(struct pipe_context *pipe, unsigned nr,
176 struct pipe_sampler_view **views)
177 {
178 struct nv30_context *nv30 = nv30_context(pipe);
179 unsigned i;
180
181 for (i = 0; i < nr; i++) {
182 nouveau_bufctx_reset(nv30->bufctx, BUFCTX_FRAGTEX(i));
183 pipe_sampler_view_reference(&nv30->fragprog.textures[i], views[i]);
184 nv30->fragprog.dirty_samplers |= (1 << i);
185 }
186
187 for (; i < nv30->fragprog.num_textures; i++) {
188 nouveau_bufctx_reset(nv30->bufctx, BUFCTX_FRAGTEX(i));
189 pipe_sampler_view_reference(&nv30->fragprog.textures[i], NULL);
190 nv30->fragprog.dirty_samplers |= (1 << i);
191 }
192
193 nv30->fragprog.num_textures = nr;
194 nv30->dirty |= NV30_NEW_FRAGTEX;
195 }
196
197
198 static void
nv30_set_sampler_views(struct pipe_context * pipe,enum pipe_shader_type shader,unsigned start,unsigned nr,struct pipe_sampler_view ** views)199 nv30_set_sampler_views(struct pipe_context *pipe, enum pipe_shader_type shader,
200 unsigned start, unsigned nr,
201 struct pipe_sampler_view **views)
202 {
203 assert(start == 0);
204 switch (shader) {
205 case PIPE_SHADER_FRAGMENT:
206 nv30_fragtex_set_sampler_views(pipe, nr, views);
207 break;
208 case PIPE_SHADER_VERTEX:
209 nv40_verttex_set_sampler_views(pipe, nr, views);
210 break;
211 default:
212 ;
213 }
214 }
215
216
217 void
nv30_fragtex_init(struct pipe_context * pipe)218 nv30_fragtex_init(struct pipe_context *pipe)
219 {
220 pipe->set_sampler_views = nv30_set_sampler_views;
221 }
222