diff options
Diffstat (limited to 'src/gallium/drivers/nv30/nv30_fragtex.c')
| -rw-r--r-- | src/gallium/drivers/nv30/nv30_fragtex.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv30/nv30_fragtex.c b/src/gallium/drivers/nv30/nv30_fragtex.c new file mode 100644 index 00000000000..723628be52f --- /dev/null +++ b/src/gallium/drivers/nv30/nv30_fragtex.c @@ -0,0 +1,202 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: Ben Skeggs + * + */ + +#include "util/u_inlines.h" + +#include "nouveau/nv_object.xml.h" +#include "nv30-40_3d.xml.h" +#include "nv30_context.h" +#include "nv30_format.h" + +void +nv30_fragtex_validate(struct nv30_context *nv30) +{ + struct pipe_screen *pscreen = &nv30->screen->base.base; + struct nouveau_object *eng3d = nv30->screen->eng3d; + struct nouveau_pushbuf *push = nv30->base.pushbuf; + unsigned dirty = nv30->fragprog.dirty_samplers; + + while (dirty) { + unsigned unit = ffs(dirty) - 1; + struct nv30_sampler_view *sv = (void *)nv30->fragprog.textures[unit]; + struct nv30_sampler_state *ss = nv30->fragprog.samplers[unit]; + + PUSH_RESET(push, BUFCTX_FRAGTEX(unit)); + + if (ss && sv) { + const struct nv30_texfmt *fmt = nv30_texfmt(pscreen, sv->pipe.format); + struct pipe_resource *pt = sv->pipe.texture; + struct nv30_miptree *mt = nv30_miptree(pt); + unsigned min_lod, max_lod; + u32 filter = sv->filt | (ss->filt & sv->filt_mask); + u32 format = sv->fmt | ss->fmt; + u32 enable = ss->en; + + /* handle base_level when not using a mip filter, min/max level + * is unfortunately ignored by the hardware otherwise + */ + if (ss->pipe.min_mip_filter == PIPE_TEX_MIPFILTER_NONE) { + if (sv->base_lod) + filter += 0x00020000; /* N/L -> NMN/LMN */ + max_lod = sv->base_lod; + min_lod = sv->base_lod; + } else { + max_lod = MIN2(ss->max_lod + sv->base_lod, sv->high_lod); + min_lod = MIN2(ss->min_lod + sv->base_lod, max_lod); + } + + if (eng3d->oclass >= NV40_3D_CLASS) { + /* this is a tad stupid of the hardware, but there's no non-rcomp + * z16/z24 texture formats to be had, we have to suffer and lose + * some precision to handle this case. + */ + if (ss->pipe.compare_mode != PIPE_TEX_COMPARE_R_TO_TEXTURE) { + if (fmt->nv40 == NV40_3D_TEX_FORMAT_FORMAT_Z16) + format |= NV40_3D_TEX_FORMAT_FORMAT_A8L8; + else + if (fmt->nv40 == NV40_3D_TEX_FORMAT_FORMAT_Z24) + format |= NV40_3D_TEX_FORMAT_FORMAT_A16L16; + else + format |= fmt->nv40; + } else { + format |= fmt->nv40; + } + + enable |= (min_lod << 19) | (max_lod << 7); + enable |= NV40_3D_TEX_ENABLE_ENABLE; + + BEGIN_NV04(push, NV40_3D(TEX_SIZE1(unit)), 1); + PUSH_DATA (push, sv->npot_size1); + } else { + /* this is a tad stupid of the hardware, but there's no non-rcomp + * z16/z24 texture formats to be had, we have to suffer and lose + * some precision to handle this case. + */ + if (ss->pipe.compare_mode != PIPE_TEX_COMPARE_R_TO_TEXTURE) { + if (fmt->nv30 == NV30_3D_TEX_FORMAT_FORMAT_Z16) { + if (ss->pipe.normalized_coords) + format |= NV30_3D_TEX_FORMAT_FORMAT_A8L8; + else + format |= NV30_3D_TEX_FORMAT_FORMAT_A8L8_RECT; + } else + if (fmt->nv30 == NV30_3D_TEX_FORMAT_FORMAT_Z24) { + if (ss->pipe.normalized_coords) + format |= NV30_3D_TEX_FORMAT_FORMAT_HILO16; + else + format |= NV30_3D_TEX_FORMAT_FORMAT_HILO16_RECT; + } else { + if (ss->pipe.normalized_coords) + format |= fmt->nv30; + else + format |= fmt->nv30_rect; + } + } else { + if (ss->pipe.normalized_coords) + format |= fmt->nv30; + else + format |= fmt->nv30_rect; + } + + enable |= NV30_3D_TEX_ENABLE_ENABLE; + enable |= (min_lod << 18) | (max_lod << 6); + } + + BEGIN_NV04(push, NV30_3D(TEX_OFFSET(unit)), 8); + PUSH_MTHDl(push, NV30_3D(TEX_OFFSET(unit)), BUFCTX_FRAGTEX(unit), + mt->base.bo, 0, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD); + PUSH_MTHDs(push, NV30_3D(TEX_FORMAT(unit)), BUFCTX_FRAGTEX(unit), + mt->base.bo, format, NOUVEAU_BO_VRAM | NOUVEAU_BO_RD, + NV30_3D_TEX_FORMAT_DMA0, + NV30_3D_TEX_FORMAT_DMA1); + PUSH_DATA (push, sv->wrap | (ss->wrap & sv->wrap_mask)); + PUSH_DATA (push, enable); + PUSH_DATA (push, sv->swz); + PUSH_DATA (push, filter); + PUSH_DATA (push, sv->npot_size0); + PUSH_DATA (push, ss->bcol); + BEGIN_NV04(push, NV30_3D(TEX_FILTER_OPTIMIZATION(unit)), 1); + PUSH_DATA (push, nv30->config.filter); + } else { + BEGIN_NV04(push, NV30_3D(TEX_ENABLE(unit)), 1); + PUSH_DATA (push, 0); + } + + dirty &= ~(1 << unit); + } + + nv30->fragprog.dirty_samplers = 0; +} + +static void +nv30_fragtex_sampler_states_bind(struct pipe_context *pipe, + unsigned nr, void **hwcso) +{ + struct nv30_context *nv30 = nv30_context(pipe); + unsigned i; + + for (i = 0; i < nr; i++) { + nv30->fragprog.samplers[i] = hwcso[i]; + nv30->fragprog.dirty_samplers |= (1 << i); + } + + for (; i < nv30->fragprog.num_samplers; i++) { + nv30->fragprog.samplers[i] = NULL; + nv30->fragprog.dirty_samplers |= (1 << i); + } + + nv30->fragprog.num_samplers = nr; + nv30->dirty |= NV30_NEW_FRAGTEX; +} + + +static void +nv30_fragtex_set_sampler_views(struct pipe_context *pipe, unsigned nr, + struct pipe_sampler_view **views) +{ + struct nv30_context *nv30 = nv30_context(pipe); + unsigned i; + + for (i = 0; i < nr; i++) { + nouveau_bufctx_reset(nv30->bufctx, BUFCTX_FRAGTEX(i)); + pipe_sampler_view_reference(&nv30->fragprog.textures[i], views[i]); + nv30->fragprog.dirty_samplers |= (1 << i); + } + + for (; i < nv30->fragprog.num_textures; i++) { + nouveau_bufctx_reset(nv30->bufctx, BUFCTX_FRAGTEX(i)); + pipe_sampler_view_reference(&nv30->fragprog.textures[i], NULL); + nv30->fragprog.dirty_samplers |= (1 << i); + } + + nv30->fragprog.num_textures = nr; + nv30->dirty |= NV30_NEW_FRAGTEX; +} + +void +nv30_fragtex_init(struct pipe_context *pipe) +{ + pipe->bind_fragment_sampler_states = nv30_fragtex_sampler_states_bind; + pipe->set_fragment_sampler_views = nv30_fragtex_set_sampler_views; +} |