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| |
| #include "pipe/p_context.h" |
| #include "pipe/p_state.h" |
| #include "util/u_inlines.h" |
| #include "util/u_format.h" |
| #include "translate/translate.h" |
| |
| #include "nv50_context.h" |
| #include "nv50_resource.h" |
| |
| #include "nv50_3d.xml.h" |
| |
| struct push_context { |
| struct nouveau_pushbuf *push; |
| |
| const void *idxbuf; |
| |
| float edgeflag; |
| int edgeflag_attr; |
| |
| uint32_t vertex_words; |
| uint32_t packet_vertex_limit; |
| |
| struct translate *translate; |
| |
| boolean primitive_restart; |
| uint32_t prim; |
| uint32_t restart_index; |
| uint32_t instance_id; |
| }; |
| |
| static INLINE unsigned |
| prim_restart_search_i08(uint8_t *elts, unsigned push, uint8_t index) |
| { |
| unsigned i; |
| for (i = 0; i < push; ++i) |
| if (elts[i] == index) |
| break; |
| return i; |
| } |
| |
| static INLINE unsigned |
| prim_restart_search_i16(uint16_t *elts, unsigned push, uint16_t index) |
| { |
| unsigned i; |
| for (i = 0; i < push; ++i) |
| if (elts[i] == index) |
| break; |
| return i; |
| } |
| |
| static INLINE unsigned |
| prim_restart_search_i32(uint32_t *elts, unsigned push, uint32_t index) |
| { |
| unsigned i; |
| for (i = 0; i < push; ++i) |
| if (elts[i] == index) |
| break; |
| return i; |
| } |
| |
| static void |
| emit_vertices_i08(struct push_context *ctx, unsigned start, unsigned count) |
| { |
| uint8_t *elts = (uint8_t *)ctx->idxbuf + start; |
| |
| while (count) { |
| unsigned push = MIN2(count, ctx->packet_vertex_limit); |
| unsigned size, nr; |
| |
| nr = push; |
| if (ctx->primitive_restart) |
| nr = prim_restart_search_i08(elts, push, ctx->restart_index); |
| |
| size = ctx->vertex_words * nr; |
| |
| BEGIN_NI04(ctx->push, NV50_3D(VERTEX_DATA), size); |
| |
| ctx->translate->run_elts8(ctx->translate, elts, nr, 0, ctx->instance_id, |
| ctx->push->cur); |
| |
| ctx->push->cur += size; |
| count -= nr; |
| elts += nr; |
| |
| if (nr != push) { |
| count--; |
| elts++; |
| BEGIN_NV04(ctx->push, NV50_3D(VB_ELEMENT_U32), 1); |
| PUSH_DATA (ctx->push, ctx->restart_index); |
| } |
| } |
| } |
| |
| static void |
| emit_vertices_i16(struct push_context *ctx, unsigned start, unsigned count) |
| { |
| uint16_t *elts = (uint16_t *)ctx->idxbuf + start; |
| |
| while (count) { |
| unsigned push = MIN2(count, ctx->packet_vertex_limit); |
| unsigned size, nr; |
| |
| nr = push; |
| if (ctx->primitive_restart) |
| nr = prim_restart_search_i16(elts, push, ctx->restart_index); |
| |
| size = ctx->vertex_words * nr; |
| |
| BEGIN_NI04(ctx->push, NV50_3D(VERTEX_DATA), size); |
| |
| ctx->translate->run_elts16(ctx->translate, elts, nr, 0, ctx->instance_id, |
| ctx->push->cur); |
| |
| ctx->push->cur += size; |
| count -= nr; |
| elts += nr; |
| |
| if (nr != push) { |
| count--; |
| elts++; |
| BEGIN_NV04(ctx->push, NV50_3D(VB_ELEMENT_U32), 1); |
| PUSH_DATA (ctx->push, ctx->restart_index); |
| } |
| } |
| } |
| |
| static void |
| emit_vertices_i32(struct push_context *ctx, unsigned start, unsigned count) |
| { |
| uint32_t *elts = (uint32_t *)ctx->idxbuf + start; |
| |
| while (count) { |
| unsigned push = MIN2(count, ctx->packet_vertex_limit); |
| unsigned size, nr; |
| |
| nr = push; |
| if (ctx->primitive_restart) |
| nr = prim_restart_search_i32(elts, push, ctx->restart_index); |
| |
| size = ctx->vertex_words * nr; |
| |
| BEGIN_NI04(ctx->push, NV50_3D(VERTEX_DATA), size); |
| |
| ctx->translate->run_elts(ctx->translate, elts, nr, 0, ctx->instance_id, |
| ctx->push->cur); |
| |
| ctx->push->cur += size; |
| count -= nr; |
| elts += nr; |
| |
| if (nr != push) { |
| count--; |
| elts++; |
| BEGIN_NV04(ctx->push, NV50_3D(VB_ELEMENT_U32), 1); |
| PUSH_DATA (ctx->push, ctx->restart_index); |
| } |
| } |
| } |
| |
| static void |
| emit_vertices_seq(struct push_context *ctx, unsigned start, unsigned count) |
| { |
| while (count) { |
| unsigned push = MIN2(count, ctx->packet_vertex_limit); |
| unsigned size = ctx->vertex_words * push; |
| |
| BEGIN_NI04(ctx->push, NV50_3D(VERTEX_DATA), size); |
| |
| ctx->translate->run(ctx->translate, start, push, 0, ctx->instance_id, |
| ctx->push->cur); |
| ctx->push->cur += size; |
| count -= push; |
| start += push; |
| } |
| } |
| |
| |
| #define NV50_PRIM_GL_CASE(n) \ |
| case PIPE_PRIM_##n: return NV50_3D_VERTEX_BEGIN_GL_PRIMITIVE_##n |
| |
| static INLINE unsigned |
| nv50_prim_gl(unsigned prim) |
| { |
| switch (prim) { |
| NV50_PRIM_GL_CASE(POINTS); |
| NV50_PRIM_GL_CASE(LINES); |
| NV50_PRIM_GL_CASE(LINE_LOOP); |
| NV50_PRIM_GL_CASE(LINE_STRIP); |
| NV50_PRIM_GL_CASE(TRIANGLES); |
| NV50_PRIM_GL_CASE(TRIANGLE_STRIP); |
| NV50_PRIM_GL_CASE(TRIANGLE_FAN); |
| NV50_PRIM_GL_CASE(QUADS); |
| NV50_PRIM_GL_CASE(QUAD_STRIP); |
| NV50_PRIM_GL_CASE(POLYGON); |
| NV50_PRIM_GL_CASE(LINES_ADJACENCY); |
| NV50_PRIM_GL_CASE(LINE_STRIP_ADJACENCY); |
| NV50_PRIM_GL_CASE(TRIANGLES_ADJACENCY); |
| NV50_PRIM_GL_CASE(TRIANGLE_STRIP_ADJACENCY); |
| /* |
| NV50_PRIM_GL_CASE(PATCHES); */ |
| default: |
| return NV50_3D_VERTEX_BEGIN_GL_PRIMITIVE_POINTS; |
| break; |
| } |
| } |
| |
| void |
| nv50_push_vbo(struct nv50_context *nv50, const struct pipe_draw_info *info) |
| { |
| struct push_context ctx; |
| unsigned i, index_size; |
| unsigned inst_count = info->instance_count; |
| unsigned vert_count = info->count; |
| boolean apply_bias = info->indexed && info->index_bias; |
| |
| ctx.push = nv50->base.pushbuf; |
| ctx.translate = nv50->vertex->translate; |
| ctx.packet_vertex_limit = nv50->vertex->packet_vertex_limit; |
| ctx.vertex_words = nv50->vertex->vertex_size; |
| |
| for (i = 0; i < nv50->num_vtxbufs; ++i) { |
| const struct pipe_vertex_buffer *vb = &nv50->vtxbuf[i]; |
| const uint8_t *data; |
| |
| if (unlikely(vb->buffer)) |
| data = nouveau_resource_map_offset(&nv50->base, |
| nv04_resource(vb->buffer), vb->buffer_offset, NOUVEAU_BO_RD); |
| else |
| data = vb->user_buffer; |
| |
| if (apply_bias && likely(!(nv50->vertex->instance_bufs & (1 << i)))) |
| data += (ptrdiff_t)info->index_bias * vb->stride; |
| |
| ctx.translate->set_buffer(ctx.translate, i, data, vb->stride, ~0); |
| } |
| |
| if (info->indexed) { |
| if (nv50->idxbuf.buffer) { |
| ctx.idxbuf = nouveau_resource_map_offset(&nv50->base, |
| nv04_resource(nv50->idxbuf.buffer), nv50->idxbuf.offset, |
| NOUVEAU_BO_RD); |
| } else { |
| ctx.idxbuf = nv50->idxbuf.user_buffer; |
| } |
| if (!ctx.idxbuf) |
| return; |
| index_size = nv50->idxbuf.index_size; |
| ctx.primitive_restart = info->primitive_restart; |
| ctx.restart_index = info->restart_index; |
| } else { |
| if (unlikely(info->count_from_stream_output)) { |
| struct pipe_context *pipe = &nv50->base.pipe; |
| struct nv50_so_target *targ; |
| targ = nv50_so_target(info->count_from_stream_output); |
| if (!targ->pq) { |
| NOUVEAU_ERR("draw_stream_output not supported on pre-NVA0 cards\n"); |
| return; |
| } |
| pipe->get_query_result(pipe, targ->pq, TRUE, (void *)&vert_count); |
| vert_count /= targ->stride; |
| } |
| ctx.idxbuf = NULL; |
| index_size = 0; |
| ctx.primitive_restart = FALSE; |
| ctx.restart_index = 0; |
| } |
| |
| ctx.instance_id = info->start_instance; |
| ctx.prim = nv50_prim_gl(info->mode); |
| |
| if (info->primitive_restart) { |
| BEGIN_NV04(ctx.push, NV50_3D(PRIM_RESTART_ENABLE), 2); |
| PUSH_DATA (ctx.push, 1); |
| PUSH_DATA (ctx.push, info->restart_index); |
| } else |
| if (nv50->state.prim_restart) { |
| BEGIN_NV04(ctx.push, NV50_3D(PRIM_RESTART_ENABLE), 1); |
| PUSH_DATA (ctx.push, 0); |
| } |
| nv50->state.prim_restart = info->primitive_restart; |
| |
| while (inst_count--) { |
| BEGIN_NV04(ctx.push, NV50_3D(VERTEX_BEGIN_GL), 1); |
| PUSH_DATA (ctx.push, ctx.prim); |
| switch (index_size) { |
| case 0: |
| emit_vertices_seq(&ctx, info->start, vert_count); |
| break; |
| case 1: |
| emit_vertices_i08(&ctx, info->start, vert_count); |
| break; |
| case 2: |
| emit_vertices_i16(&ctx, info->start, vert_count); |
| break; |
| case 4: |
| emit_vertices_i32(&ctx, info->start, vert_count); |
| break; |
| default: |
| assert(0); |
| break; |
| } |
| BEGIN_NV04(ctx.push, NV50_3D(VERTEX_END_GL), 1); |
| PUSH_DATA (ctx.push, 0); |
| |
| ctx.instance_id++; |
| ctx.prim |= NV50_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT; |
| } |
| } |