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 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 20 * SOFTWARE. 21 * 22 * Authors: Ben Skeggs 23 * 24 */ 25 26 #include "util/u_inlines.h" 27 28 #include "nouveau/nv_object.xml.h" 29 #include "nv30-40_3d.xml.h" 30 #include "nv30_context.h" 31 #include "nv30_format.h" 32 33 void 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 static void 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 static void 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 void 198 nv30_fragtex_init(struct pipe_context *pipe) 199 { 200 pipe->bind_fragment_sampler_states = nv30_fragtex_sampler_states_bind; 201 pipe->set_fragment_sampler_views = nv30_fragtex_set_sampler_views; 202 } 203
