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 #include "nv30/nv30_winsys.h"
33
34 void
nv30_fragtex_validate(struct nv30_context * nv30)35 nv30_fragtex_validate(struct nv30_context *nv30)
36 {
37 struct pipe_screen *pscreen = &nv30->screen->base.base;
38 struct nouveau_object *eng3d = nv30->screen->eng3d;
39 struct nouveau_pushbuf *push = nv30->base.pushbuf;
40 unsigned dirty = nv30->fragprog.dirty_samplers;
41
42 while (dirty) {
43 unsigned unit = ffs(dirty) - 1;
44 struct nv30_sampler_view *sv = (void *)nv30->fragprog.textures[unit];
45 struct nv30_sampler_state *ss = nv30->fragprog.samplers[unit];
46
47 PUSH_RESET(push, BUFCTX_FRAGTEX(unit));
48
49 if (ss && sv) {
50 const struct nv30_texfmt *fmt = nv30_texfmt(pscreen, sv->pipe.format);
51 struct pipe_resource *pt = sv->pipe.texture;
52 struct nv30_miptree *mt = nv30_miptree(pt);
53 unsigned min_lod, max_lod;
54 u32 filter = sv->filt | (ss->filt & sv->filt_mask);
55 u32 format = sv->fmt | ss->fmt;
56 u32 enable = ss->en;
57
58 /* handle base_level when not using a mip filter, min/max level
59 * is unfortunately ignored by the hardware otherwise
60 */
61 if (ss->pipe.min_mip_filter == PIPE_TEX_MIPFILTER_NONE) {
62 if (sv->base_lod)
63 filter += 0x00020000; /* N/L -> NMN/LMN */
64 max_lod = sv->base_lod;
65 min_lod = sv->base_lod;
66 } else {
67 max_lod = MIN2(ss->max_lod + sv->base_lod, sv->high_lod);
68 min_lod = MIN2(ss->min_lod + sv->base_lod, max_lod);
69 }
70
71 if (eng3d->oclass >= NV40_3D_CLASS) {
72 /* this is a tad stupid of the hardware, but there's no non-rcomp
73 * z16/z24 texture formats to be had, we have to suffer and lose
74 * some precision to handle this case.
75 */
76 if (ss->pipe.compare_mode != PIPE_TEX_COMPARE_R_TO_TEXTURE) {
77 if (fmt->nv40 == NV40_3D_TEX_FORMAT_FORMAT_Z16)
78 format |= NV40_3D_TEX_FORMAT_FORMAT_A8L8;
79 else
80 if (fmt->nv40 == NV40_3D_TEX_FORMAT_FORMAT_Z24)
81 format |= NV40_3D_TEX_FORMAT_FORMAT_A16L16;
82 else
83 format |= fmt->nv40;
84 } else {
85 format |= fmt->nv40;
86 }
87
88 enable |= (min_lod << 19) | (max_lod << 7);
89 enable |= NV40_3D_TEX_ENABLE_ENABLE;
90
91 BEGIN_NV04(push, NV40_3D(TEX_SIZE1(unit)), 1);
92 PUSH_DATA (push, sv->npot_size1);
93 } else {
94 /* this is a tad stupid of the hardware, but there's no non-rcomp
95 * z16/z24 texture formats to be had, we have to suffer and lose
96 * some precision to handle this case.
97 */
98 if (ss->pipe.compare_mode != PIPE_TEX_COMPARE_R_TO_TEXTURE) {
99 if (fmt->nv30 == NV30_3D_TEX_FORMAT_FORMAT_Z16) {
100 if (!ss->pipe.unnormalized_coords)
101 format |= NV30_3D_TEX_FORMAT_FORMAT_A8L8;
102 else
103 format |= NV30_3D_TEX_FORMAT_FORMAT_A8L8_RECT;
104 } else
105 if (fmt->nv30 == NV30_3D_TEX_FORMAT_FORMAT_Z24) {
106 if (!ss->pipe.unnormalized_coords)
107 format |= NV30_3D_TEX_FORMAT_FORMAT_HILO16;
108 else
109 format |= NV30_3D_TEX_FORMAT_FORMAT_HILO16_RECT;
110 } else {
111 if (!ss->pipe.unnormalized_coords)
112 format |= fmt->nv30;
113 else
114 format |= fmt->nv30_rect;
115 }
116 } else {
117 if (!ss->pipe.unnormalized_coords)
118 format |= fmt->nv30;
119 else
120 format |= fmt->nv30_rect;
121 }
122
123 enable |= NV30_3D_TEX_ENABLE_ENABLE;
124 enable |= (min_lod << 18) | (max_lod << 6);
125 }
126
127 BEGIN_NV04(push, NV30_3D(TEX_OFFSET(unit)), 8);
128 PUSH_MTHDl(push, NV30_3D(TEX_OFFSET(unit)), BUFCTX_FRAGTEX(unit),
129 mt->base.bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD);
130 PUSH_MTHDs(push, NV30_3D(TEX_FORMAT(unit)), BUFCTX_FRAGTEX(unit),
131 mt->base.bo, format, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD,
132 NV30_3D_TEX_FORMAT_DMA0,
133 NV30_3D_TEX_FORMAT_DMA1);
134 PUSH_DATA (push, sv->wrap | (ss->wrap & sv->wrap_mask));
135 PUSH_DATA (push, enable);
136 PUSH_DATA (push, sv->swz);
137 PUSH_DATA (push, filter);
138 PUSH_DATA (push, sv->npot_size0);
139 PUSH_DATA (push, ss->bcol);
140 BEGIN_NV04(push, NV30_3D(TEX_FILTER_OPTIMIZATION(unit)), 1);
141 PUSH_DATA (push, nv30->config.filter);
142 } else {
143 BEGIN_NV04(push, NV30_3D(TEX_ENABLE(unit)), 1);
144 PUSH_DATA (push, 0);
145 }
146
147 dirty &= ~(1 << unit);
148 }
149
150 nv30->fragprog.dirty_samplers = 0;
151 }
152
153 void
nv30_fragtex_sampler_states_bind(struct pipe_context * pipe,unsigned nr,void ** hwcso)154 nv30_fragtex_sampler_states_bind(struct pipe_context *pipe,
155 unsigned nr, void **hwcso)
156 {
157 struct nv30_context *nv30 = nv30_context(pipe);
158 unsigned i;
159
160 for (i = 0; i < nr; i++) {
161 nv30->fragprog.samplers[i] = hwcso[i];
162 nv30->fragprog.dirty_samplers |= (1 << i);
163 }
164
165 for (; i < nv30->fragprog.num_samplers; i++) {
166 nv30->fragprog.samplers[i] = NULL;
167 nv30->fragprog.dirty_samplers |= (1 << i);
168 }
169
170 nv30->fragprog.num_samplers = nr;
171 nv30->dirty |= NV30_NEW_FRAGTEX;
172 }
173
174
175 void
nv30_fragtex_set_sampler_views(struct pipe_context * pipe,unsigned nr,bool take_ownership,struct pipe_sampler_view ** views)176 nv30_fragtex_set_sampler_views(struct pipe_context *pipe, unsigned nr,
177 bool take_ownership,
178 struct pipe_sampler_view **views)
179 {
180 struct nv30_context *nv30 = nv30_context(pipe);
181 unsigned i;
182
183 for (i = 0; i < nr; i++) {
184 nouveau_bufctx_reset(nv30->bufctx, BUFCTX_FRAGTEX(i));
185 if (take_ownership) {
186 pipe_sampler_view_reference(&nv30->fragprog.textures[i], NULL);
187 nv30->fragprog.textures[i] = views[i];
188 } else {
189 pipe_sampler_view_reference(&nv30->fragprog.textures[i], views[i]);
190 }
191 nv30->fragprog.dirty_samplers |= (1 << i);
192 }
193
194 for (; i < nv30->fragprog.num_textures; i++) {
195 nouveau_bufctx_reset(nv30->bufctx, BUFCTX_FRAGTEX(i));
196 pipe_sampler_view_reference(&nv30->fragprog.textures[i], NULL);
197 nv30->fragprog.dirty_samplers |= (1 << i);
198 }
199
200 nv30->fragprog.num_textures = nr;
201 nv30->dirty |= NV30_NEW_FRAGTEX;
202 }
203
204
205 static void
nv30_set_sampler_views(struct pipe_context * pipe,enum pipe_shader_type shader,unsigned start,unsigned nr,unsigned unbind_num_trailing_slots,bool take_ownership,struct pipe_sampler_view ** views)206 nv30_set_sampler_views(struct pipe_context *pipe, enum pipe_shader_type shader,
207 unsigned start, unsigned nr,
208 unsigned unbind_num_trailing_slots,
209 bool take_ownership,
210 struct pipe_sampler_view **views)
211 {
212 assert(start == 0);
213 switch (shader) {
214 case PIPE_SHADER_FRAGMENT:
215 nv30_fragtex_set_sampler_views(pipe, nr, take_ownership, views);
216 break;
217 case PIPE_SHADER_VERTEX:
218 nv40_verttex_set_sampler_views(pipe, nr, take_ownership, views);
219 break;
220 default:
221 ;
222 }
223 }
224
225
226 void
nv30_fragtex_init(struct pipe_context * pipe)227 nv30_fragtex_init(struct pipe_context *pipe)
228 {
229 pipe->set_sampler_views = nv30_set_sampler_views;
230 }
231