diff options
Diffstat (limited to 'src/gallium/drivers/nouveau/nv30/nv30_draw.c')
| -rw-r--r-- | src/gallium/drivers/nouveau/nv30/nv30_draw.c | 506 |
1 files changed, 506 insertions, 0 deletions
diff --git a/src/gallium/drivers/nouveau/nv30/nv30_draw.c b/src/gallium/drivers/nouveau/nv30/nv30_draw.c new file mode 100644 index 0000000..3575c3d --- /dev/null +++ b/src/gallium/drivers/nouveau/nv30/nv30_draw.c @@ -0,0 +1,506 @@ +/* + * 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 OR COPYRIGHT HOLDERS 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 "draw/draw_context.h" +#include "draw/draw_vertex.h" +#include "draw/draw_pipe.h" +#include "draw/draw_vbuf.h" +#include "draw/draw_private.h" + +#include "nv_object.xml.h" +#include "nv30/nv30-40_3d.xml.h" +#include "nv30/nv30_context.h" +#include "nv30/nv30_format.h" + +struct nv30_render { + struct vbuf_render base; + struct nv30_context *nv30; + + struct pipe_transfer *transfer; + struct pipe_resource *buffer; + unsigned offset; + unsigned length; + + struct vertex_info vertex_info; + + struct nouveau_heap *vertprog; + uint32_t vtxprog[16][4]; + uint32_t vtxfmt[16]; + uint32_t vtxptr[16]; + uint32_t prim; +}; + +static INLINE struct nv30_render * +nv30_render(struct vbuf_render *render) +{ + return (struct nv30_render *)render; +} + +static const struct vertex_info * +nv30_render_get_vertex_info(struct vbuf_render *render) +{ + return &nv30_render(render)->vertex_info; +} + +static boolean +nv30_render_allocate_vertices(struct vbuf_render *render, + ushort vertex_size, ushort nr_vertices) +{ + struct nv30_render *r = nv30_render(render); + struct nv30_context *nv30 = r->nv30; + + r->length = vertex_size * nr_vertices; + + if (r->offset + r->length >= render->max_vertex_buffer_bytes) { + pipe_resource_reference(&r->buffer, NULL); + r->buffer = pipe_buffer_create(&nv30->screen->base.base, + PIPE_BIND_VERTEX_BUFFER, 0, + render->max_vertex_buffer_bytes); + if (!r->buffer) + return FALSE; + + r->offset = 0; + } + + return TRUE; +} + +static void * +nv30_render_map_vertices(struct vbuf_render *render) +{ + struct nv30_render *r = nv30_render(render); + char *map = pipe_buffer_map(&r->nv30->base.pipe, r->buffer, + PIPE_TRANSFER_WRITE | + PIPE_TRANSFER_UNSYNCHRONIZED, &r->transfer); + return map + r->offset; +} + +static void +nv30_render_unmap_vertices(struct vbuf_render *render, + ushort min_index, ushort max_index) +{ + struct nv30_render *r = nv30_render(render); + pipe_buffer_unmap(&r->nv30->base.pipe, r->transfer); +} + +static void +nv30_render_set_primitive(struct vbuf_render *render, unsigned prim) +{ + struct nv30_render *r = nv30_render(render); + + r->prim = nv30_prim_gl(prim); +} + +static void +nv30_render_draw_elements(struct vbuf_render *render, + const ushort *indices, uint count) +{ + struct nv30_render *r = nv30_render(render); + struct nv30_context *nv30 = r->nv30; + struct nouveau_pushbuf *push = nv30->screen->base.pushbuf; + unsigned i; + + BEGIN_NV04(push, NV30_3D(VTXBUF(0)), r->vertex_info.num_attribs); + for (i = 0; i < r->vertex_info.num_attribs; i++) { + PUSH_RESRC(push, NV30_3D(VTXBUF(i)), BUFCTX_VTXTMP, + nv04_resource(r->buffer), r->offset + r->vtxptr[i], + NOUVEAU_BO_LOW | NOUVEAU_BO_RD, 0, 0); + } + + if (!nv30_state_validate(nv30, FALSE)) + return; + + BEGIN_NV04(push, NV30_3D(VERTEX_BEGIN_END), 1); + PUSH_DATA (push, r->prim); + + if (count & 1) { + BEGIN_NV04(push, NV30_3D(VB_ELEMENT_U32), 1); + PUSH_DATA (push, *indices++); + } + + count >>= 1; + while (count) { + unsigned npush = MIN2(count, NV04_PFIFO_MAX_PACKET_LEN); + count -= npush; + + BEGIN_NI04(push, NV30_3D(VB_ELEMENT_U16), npush); + while (npush--) { + PUSH_DATA(push, (indices[1] << 16) | indices[0]); + indices += 2; + } + } + + BEGIN_NV04(push, NV30_3D(VERTEX_BEGIN_END), 1); + PUSH_DATA (push, NV30_3D_VERTEX_BEGIN_END_STOP); + PUSH_RESET(push, BUFCTX_VTXTMP); +} + +static void +nv30_render_draw_arrays(struct vbuf_render *render, unsigned start, uint nr) +{ + struct nv30_render *r = nv30_render(render); + struct nv30_context *nv30 = r->nv30; + struct nouveau_pushbuf *push = nv30->base.pushbuf; + unsigned fn = nr >> 8, pn = nr & 0xff; + unsigned ps = fn + (pn ? 1 : 0); + unsigned i; + + BEGIN_NV04(push, NV30_3D(VTXBUF(0)), r->vertex_info.num_attribs); + for (i = 0; i < r->vertex_info.num_attribs; i++) { + PUSH_RESRC(push, NV30_3D(VTXBUF(i)), BUFCTX_VTXTMP, + nv04_resource(r->buffer), r->offset + r->vtxptr[i], + NOUVEAU_BO_LOW | NOUVEAU_BO_RD, 0, 0); + } + + if (!nv30_state_validate(nv30, FALSE)) + return; + + BEGIN_NV04(push, NV30_3D(VERTEX_BEGIN_END), 1); + PUSH_DATA (push, r->prim); + + BEGIN_NI04(push, NV30_3D(VB_VERTEX_BATCH), ps); + while (fn--) { + PUSH_DATA (push, 0xff000000 | start); + start += 256; + } + + if (pn) + PUSH_DATA (push, ((pn - 1) << 24) | start); + + BEGIN_NV04(push, NV30_3D(VERTEX_BEGIN_END), 1); + PUSH_DATA (push, NV30_3D_VERTEX_BEGIN_END_STOP); + PUSH_RESET(push, BUFCTX_VTXTMP); +} + +static void +nv30_render_release_vertices(struct vbuf_render *render) +{ + struct nv30_render *r = nv30_render(render); + r->offset += r->length; +} + +static const struct { + unsigned emit; + unsigned interp; + unsigned vp30; + unsigned vp40; + unsigned ow40; +} vroute [] = { + [TGSI_SEMANTIC_POSITION] = { EMIT_4F, INTERP_PERSPECTIVE, 0, 0, 0x00000000 }, + [TGSI_SEMANTIC_COLOR ] = { EMIT_4F, INTERP_LINEAR , 3, 1, 0x00000001 }, + [TGSI_SEMANTIC_BCOLOR ] = { EMIT_4F, INTERP_LINEAR , 1, 3, 0x00000004 }, + [TGSI_SEMANTIC_FOG ] = { EMIT_4F, INTERP_PERSPECTIVE, 5, 5, 0x00000010 }, + [TGSI_SEMANTIC_PSIZE ] = { EMIT_1F_PSIZE, INTERP_POS , 6, 6, 0x00000020 }, + [TGSI_SEMANTIC_GENERIC ] = { EMIT_4F, INTERP_PERSPECTIVE, 8, 7, 0x00004000 } +}; + +static boolean +vroute_add(struct nv30_render *r, uint attrib, uint sem, uint *idx) +{ + struct pipe_screen *pscreen = &r->nv30->screen->base.base; + struct nv30_fragprog *fp = r->nv30->fragprog.program; + struct vertex_info *vinfo = &r->vertex_info; + enum pipe_format format; + uint emit = EMIT_OMIT; + uint result = *idx; + + if (sem == TGSI_SEMANTIC_GENERIC && result >= 8) { + for (result = 0; result < 8; result++) { + if (fp->texcoord[result] == *idx) { + emit = vroute[sem].emit; + break; + } + } + } else { + emit = vroute[sem].emit; + } + + if (emit == EMIT_OMIT) + return FALSE; + + draw_emit_vertex_attr(vinfo, emit, vroute[sem].interp, attrib); + format = draw_translate_vinfo_format(emit); + + r->vtxfmt[attrib] = nv30_vtxfmt(pscreen, format)->hw; + r->vtxptr[attrib] = vinfo->size | NV30_3D_VTXBUF_DMA1; + vinfo->size += draw_translate_vinfo_size(emit); + + if (nv30_screen(pscreen)->eng3d->oclass < NV40_3D_CLASS) { + r->vtxprog[attrib][0] = 0x001f38d8; + r->vtxprog[attrib][1] = 0x0080001b | (attrib << 9); + r->vtxprog[attrib][2] = 0x0836106c; + r->vtxprog[attrib][3] = 0x2000f800 | (result + vroute[sem].vp30) << 2; + } else { + r->vtxprog[attrib][0] = 0x401f9c6c; + r->vtxprog[attrib][1] = 0x0040000d | (attrib << 8); + r->vtxprog[attrib][2] = 0x8106c083; + r->vtxprog[attrib][3] = 0x6041ff80 | (result + vroute[sem].vp40) << 2; + } + + *idx = vroute[sem].ow40 << result; + return TRUE; +} + +static boolean +nv30_render_validate(struct nv30_context *nv30) +{ + struct nv30_render *r = nv30_render(nv30->draw->render); + struct nv30_rasterizer_stateobj *rast = nv30->rast; + struct pipe_screen *pscreen = &nv30->screen->base.base; + struct nouveau_pushbuf *push = nv30->screen->base.pushbuf; + struct nouveau_object *eng3d = nv30->screen->eng3d; + struct nv30_vertprog *vp = nv30->vertprog.program; + struct vertex_info *vinfo = &r->vertex_info; + unsigned vp_attribs = 0; + unsigned vp_results = 0; + unsigned attrib = 0; + unsigned pntc; + int i; + + if (!r->vertprog) { + struct nouveau_heap *heap = nv30_screen(pscreen)->vp_exec_heap; + if (nouveau_heap_alloc(heap, 16, &r->vertprog, &r->vertprog)) { + while (heap->next && heap->size < 16) { + struct nouveau_heap **evict = heap->next->priv; + nouveau_heap_free(evict); + } + + if (nouveau_heap_alloc(heap, 16, &r->vertprog, &r->vertprog)) + return FALSE; + } + } + + vinfo->num_attribs = 0; + vinfo->size = 0; + + /* setup routing for all necessary vp outputs */ + for (i = 0; i < vp->info.num_outputs && attrib < 16; i++) { + uint semantic = vp->info.output_semantic_name[i]; + uint index = vp->info.output_semantic_index[i]; + if (vroute_add(r, attrib, semantic, &index)) { + vp_attribs |= (1 << attrib++); + vp_results |= index; + } + } + + /* setup routing for replaced point coords not written by vp */ + if (rast && rast->pipe.point_quad_rasterization) + pntc = rast->pipe.sprite_coord_enable & 0x000002ff; + else + pntc = 0; + + while (pntc && attrib < 16) { + uint index = ffs(pntc) - 1; pntc &= ~(1 << index); + if (vroute_add(r, attrib, TGSI_SEMANTIC_GENERIC, &index)) { + vp_attribs |= (1 << attrib++); + vp_results |= index; + } + } + + /* modify vertex format for correct stride, and stub out unused ones */ + BEGIN_NV04(push, NV30_3D(VP_UPLOAD_FROM_ID), 1); + PUSH_DATA (push, r->vertprog->start); + r->vtxprog[attrib - 1][3] |= 1; + for (i = 0; i < attrib; i++) { + BEGIN_NV04(push, NV30_3D(VP_UPLOAD_INST(0)), 4); + PUSH_DATAp(push, r->vtxprog[i], 4); + r->vtxfmt[i] |= vinfo->size << 8; + } + for (; i < 16; i++) + r->vtxfmt[i] = NV30_3D_VTXFMT_TYPE_V32_FLOAT; + + BEGIN_NV04(push, NV30_3D(VIEWPORT_TRANSLATE_X), 8); + PUSH_DATAf(push, 0.0); + PUSH_DATAf(push, 0.0); + PUSH_DATAf(push, 0.0); + PUSH_DATAf(push, 0.0); + PUSH_DATAf(push, 1.0); + PUSH_DATAf(push, 1.0); + PUSH_DATAf(push, 1.0); + PUSH_DATAf(push, 1.0); + BEGIN_NV04(push, NV30_3D(DEPTH_RANGE_NEAR), 2); + PUSH_DATAf(push, 0.0); + PUSH_DATAf(push, 1.0); + + BEGIN_NV04(push, NV30_3D(VTXFMT(0)), 16); + PUSH_DATAp(push, r->vtxfmt, 16); + + BEGIN_NV04(push, NV30_3D(VP_START_FROM_ID), 1); + PUSH_DATA (push, r->vertprog->start); + BEGIN_NV04(push, NV30_3D(ENGINE), 1); + PUSH_DATA (push, 0x00000103); + if (eng3d->oclass >= NV40_3D_CLASS) { + BEGIN_NV04(push, NV40_3D(VP_ATTRIB_EN), 2); + PUSH_DATA (push, vp_attribs); + PUSH_DATA (push, vp_results); + } + + vinfo->size /= 4; + return TRUE; +} + +void +nv30_render_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info) +{ + struct nv30_context *nv30 = nv30_context(pipe); + struct draw_context *draw = nv30->draw; + struct pipe_transfer *transfer[PIPE_MAX_ATTRIBS] = {NULL}; + struct pipe_transfer *transferi = NULL; + int i; + + nv30_render_validate(nv30); + + if (nv30->draw_dirty & NV30_NEW_VIEWPORT) + draw_set_viewport_states(draw, 0, 1, &nv30->viewport); + if (nv30->draw_dirty & NV30_NEW_RASTERIZER) + draw_set_rasterizer_state(draw, &nv30->rast->pipe, NULL); + if (nv30->draw_dirty & NV30_NEW_CLIP) + draw_set_clip_state(draw, &nv30->clip); + if (nv30->draw_dirty & NV30_NEW_ARRAYS) { + draw_set_vertex_buffers(draw, 0, nv30->num_vtxbufs, nv30->vtxbuf); + draw_set_vertex_elements(draw, nv30->vertex->num_elements, nv30->vertex->pipe); + } + if (nv30->draw_dirty & NV30_NEW_FRAGPROG) { + struct nv30_fragprog *fp = nv30->fragprog.program; + if (!fp->draw) + fp->draw = draw_create_fragment_shader(draw, &fp->pipe); + draw_bind_fragment_shader(draw, fp->draw); + } + if (nv30->draw_dirty & NV30_NEW_VERTPROG) { + struct nv30_vertprog *vp = nv30->vertprog.program; + if (!vp->draw) + vp->draw = draw_create_vertex_shader(draw, &vp->pipe); + draw_bind_vertex_shader(draw, vp->draw); + } + if (nv30->draw_dirty & NV30_NEW_VERTCONST) { + if (nv30->vertprog.constbuf) { + void *map = nv04_resource(nv30->vertprog.constbuf)->data; + draw_set_mapped_constant_buffer(draw, PIPE_SHADER_VERTEX, 0, + map, nv30->vertprog.constbuf_nr); + } + } + + for (i = 0; i < nv30->num_vtxbufs; i++) { + const void *map = nv30->vtxbuf[i].user_buffer; + if (!map) { + if (!nv30->vtxbuf[i].buffer) { + continue; + } + map = pipe_buffer_map(pipe, nv30->vtxbuf[i].buffer, + PIPE_TRANSFER_UNSYNCHRONIZED | + PIPE_TRANSFER_READ, &transfer[i]); + } + draw_set_mapped_vertex_buffer(draw, i, map, ~0); + } + + if (info->indexed) { + const void *map = nv30->idxbuf.user_buffer; + if (!map) + pipe_buffer_map(pipe, nv30->idxbuf.buffer, + PIPE_TRANSFER_UNSYNCHRONIZED | + PIPE_TRANSFER_READ, &transferi); + draw_set_indexes(draw, + (ubyte *) map + nv30->idxbuf.offset, + nv30->idxbuf.index_size, ~0); + } else { + draw_set_indexes(draw, NULL, 0, 0); + } + + draw_vbo(draw, info); + draw_flush(draw); + + if (info->indexed && transferi) + pipe_buffer_unmap(pipe, transferi); + for (i = 0; i < nv30->num_vtxbufs; i++) + if (transfer[i]) + pipe_buffer_unmap(pipe, transfer[i]); + + nv30->draw_dirty = 0; + nv30_state_release(nv30); +} + +static void +nv30_render_destroy(struct vbuf_render *render) +{ + FREE(render); +} + +static struct vbuf_render * +nv30_render_create(struct nv30_context *nv30) +{ + struct nv30_render *r = CALLOC_STRUCT(nv30_render); + if (!r) + return NULL; + + r->nv30 = nv30; + r->offset = 1 * 1024 * 1024; + + r->base.max_indices = 16 * 1024; + r->base.max_vertex_buffer_bytes = r->offset; + + r->base.get_vertex_info = nv30_render_get_vertex_info; + r->base.allocate_vertices = nv30_render_allocate_vertices; + r->base.map_vertices = nv30_render_map_vertices; + r->base.unmap_vertices = nv30_render_unmap_vertices; + r->base.set_primitive = nv30_render_set_primitive; + r->base.draw_elements = nv30_render_draw_elements; + r->base.draw_arrays = nv30_render_draw_arrays; + r->base.release_vertices = nv30_render_release_vertices; + r->base.destroy = nv30_render_destroy; + return &r->base; +} + +void +nv30_draw_init(struct pipe_context *pipe) +{ + struct nv30_context *nv30 = nv30_context(pipe); + struct vbuf_render *render; + struct draw_context *draw; + struct draw_stage *stage; + + draw = draw_create(pipe); + if (!draw) + return; + + render = nv30_render_create(nv30); + if (!render) { + draw_destroy(draw); + return; + } + + stage = draw_vbuf_stage(draw, render); + if (!stage) { + render->destroy(render); + draw_destroy(draw); + return; + } + + draw_set_render(draw, render); + draw_set_rasterize_stage(draw, stage); + draw_wide_line_threshold(draw, 10000000.f); + draw_wide_point_threshold(draw, 10000000.f); + draw_wide_point_sprites(draw, TRUE); + nv30->draw = draw; +} |