nvc0: support edge flags
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c0f53fe8aa
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07f73577af
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@ -136,6 +136,9 @@ struct nvc0_context {
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struct draw_context *draw;
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};
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#define NVC0_USING_EDGEFLAG(ctx) \
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((ctx)->vertprog->vp.edgeflag < PIPE_MAX_ATTRIBS)
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static INLINE struct nvc0_context *
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nvc0_context(struct pipe_context *pipe)
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{
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@ -202,6 +202,8 @@ nvc0_varying_location(unsigned sn, unsigned si)
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return 0x40;
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case TGSI_SEMANTIC_FACE:
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return 0x3fc;
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case TGSI_SEMANTIC_EDGEFLAG: /* doesn't exist, set value like for an sreg */
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return 0xf00;
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/*
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case TGSI_SEMANTIC_CLIP_DISTANCE:
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return 0x2c0 + (si * 4);
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@ -290,6 +292,8 @@ prog_decl(struct nvc0_translation_info *ti,
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ti->output_loc[i][c] = si * 4 + c;
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}
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} else {
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if (sn == TGSI_SEMANTIC_EDGEFLAG)
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ti->edgeflag_out = i;
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for (c = 0; c < 4; ++c)
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ti->output_loc[i][c] = nvc0_varying_location(sn, si) + c * 4;
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/* for TFB_VARYING_LOCS: */
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@ -427,6 +431,8 @@ nvc0_vp_gp_gen_header(struct nvc0_program *vp, struct nvc0_translation_info *ti)
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for (i = 0; i <= ti->scan.file_max[TGSI_FILE_OUTPUT]; ++i) {
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a = (ti->output_loc[i][0] - 0x40) / 4;
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if (ti->output_loc[i][0] >= 0xf00)
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continue;
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for (c = 0; c < 4; ++c, ++a) {
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if (!ti->output_access[i][c])
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continue;
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@ -670,6 +676,8 @@ nvc0_program_translate(struct nvc0_program *prog)
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ti->edgeflag_out = PIPE_MAX_SHADER_OUTPUTS;
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prog->vp.edgeflag = PIPE_MAX_ATTRIBS;
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if (prog->type == PIPE_SHADER_VERTEX && prog->vp.num_ucps)
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ti->append_ucp = TRUE;
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@ -15,9 +15,6 @@ struct push_context {
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void *idxbuf;
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float edgeflag;
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int edgeflag_attr;
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uint32_t vertex_words;
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uint32_t packet_vertex_limit;
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@ -27,8 +24,56 @@ struct push_context {
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uint32_t prim;
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uint32_t restart_index;
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uint32_t instance_id;
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struct {
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int buffer;
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float value;
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uint8_t *data;
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unsigned offset;
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unsigned stride;
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} edgeflag;
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};
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static void
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init_push_context(struct nvc0_context *nvc0, struct push_context *ctx)
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{
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struct pipe_vertex_element *ve;
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ctx->chan = nvc0->screen->base.channel;
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ctx->translate = nvc0->vertex->translate;
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ctx->edgeflag.value = 0.5f;
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if (NVC0_USING_EDGEFLAG(nvc0)) {
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ve = &nvc0->vertex->element[nvc0->vertprog->vp.edgeflag].pipe;
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ctx->edgeflag.buffer = ve->vertex_buffer_index;
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ctx->edgeflag.offset = ve->src_offset;
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ctx->packet_vertex_limit = 1;
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} else {
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ctx->edgeflag.buffer = -1;
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ctx->edgeflag.offset = 0;
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ctx->edgeflag.stride = 0;
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ctx->edgeflag.data = NULL;
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ctx->packet_vertex_limit = nvc0->vertex->vtx_per_packet_max;
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}
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ctx->vertex_words = nvc0->vertex->vtx_size;
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}
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static INLINE void
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set_edgeflag(struct push_context *ctx, unsigned vtx_id)
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{
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float f = *(float *)(ctx->edgeflag.data + vtx_id * ctx->edgeflag.stride);
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if (ctx->edgeflag.value != f) {
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ctx->edgeflag.value = f;
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IMMED_RING(ctx->chan, RING_3D(EDGEFLAG_ENABLE), f ? 1 : 0);
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}
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}
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static INLINE unsigned
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prim_restart_search_i08(uint8_t *elts, unsigned push, uint8_t index)
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{
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@ -62,7 +107,7 @@ prim_restart_search_i32(uint32_t *elts, unsigned push, uint32_t index)
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static void
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emit_vertices_i08(struct push_context *ctx, unsigned start, unsigned count)
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{
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uint8_t *elts = (uint8_t *)ctx->idxbuf + start;
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uint8_t *restrict elts = (uint8_t *)ctx->idxbuf + start;
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while (count) {
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unsigned push = MIN2(count, ctx->packet_vertex_limit);
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@ -72,6 +117,9 @@ emit_vertices_i08(struct push_context *ctx, unsigned start, unsigned count)
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if (ctx->primitive_restart)
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nr = prim_restart_search_i08(elts, push, ctx->restart_index);
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if (unlikely(ctx->edgeflag.buffer >= 0) && nr)
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set_edgeflag(ctx, elts[0]);
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size = ctx->vertex_words * nr;
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BEGIN_RING_NI(ctx->chan, RING_3D(VERTEX_DATA), size);
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@ -97,7 +145,7 @@ emit_vertices_i08(struct push_context *ctx, unsigned start, unsigned count)
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static void
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emit_vertices_i16(struct push_context *ctx, unsigned start, unsigned count)
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{
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uint16_t *elts = (uint16_t *)ctx->idxbuf + start;
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uint16_t *restrict elts = (uint16_t *)ctx->idxbuf + start;
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while (count) {
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unsigned push = MIN2(count, ctx->packet_vertex_limit);
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@ -107,6 +155,9 @@ emit_vertices_i16(struct push_context *ctx, unsigned start, unsigned count)
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if (ctx->primitive_restart)
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nr = prim_restart_search_i16(elts, push, ctx->restart_index);
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if (unlikely(ctx->edgeflag.buffer >= 0) && nr)
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set_edgeflag(ctx, elts[0]);
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size = ctx->vertex_words * nr;
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BEGIN_RING_NI(ctx->chan, RING_3D(VERTEX_DATA), size);
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@ -132,7 +183,7 @@ emit_vertices_i16(struct push_context *ctx, unsigned start, unsigned count)
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static void
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emit_vertices_i32(struct push_context *ctx, unsigned start, unsigned count)
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{
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uint32_t *elts = (uint32_t *)ctx->idxbuf + start;
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uint32_t *restrict elts = (uint32_t *)ctx->idxbuf + start;
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while (count) {
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unsigned push = MIN2(count, ctx->packet_vertex_limit);
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@ -142,6 +193,9 @@ emit_vertices_i32(struct push_context *ctx, unsigned start, unsigned count)
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if (ctx->primitive_restart)
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nr = prim_restart_search_i32(elts, push, ctx->restart_index);
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if (unlikely(ctx->edgeflag.buffer >= 0) && nr)
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set_edgeflag(ctx, elts[0]);
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size = ctx->vertex_words * nr;
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BEGIN_RING_NI(ctx->chan, RING_3D(VERTEX_DATA), size);
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@ -171,6 +225,9 @@ emit_vertices_seq(struct push_context *ctx, unsigned start, unsigned count)
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unsigned push = MIN2(count, ctx->packet_vertex_limit);
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unsigned size = ctx->vertex_words * push;
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if (unlikely(ctx->edgeflag.buffer >= 0))
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set_edgeflag(ctx, start);
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BEGIN_RING_NI(ctx->chan, RING_3D(VERTEX_DATA), size);
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ctx->translate->run(ctx->translate, start, push, ctx->instance_id,
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@ -219,10 +276,7 @@ nvc0_push_vbo(struct nvc0_context *nvc0, const struct pipe_draw_info *info)
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unsigned inst = info->instance_count;
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boolean apply_bias = info->indexed && info->index_bias;
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ctx.chan = nvc0->screen->base.channel;
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ctx.translate = nvc0->vertex->translate;
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ctx.packet_vertex_limit = nvc0->vertex->vtx_per_packet_max;
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ctx.vertex_words = nvc0->vertex->vtx_size;
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init_push_context(nvc0, &ctx);
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for (i = 0; i < nvc0->num_vtxbufs; ++i) {
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uint8_t *data;
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@ -236,12 +290,18 @@ nvc0_push_vbo(struct nvc0_context *nvc0, const struct pipe_draw_info *info)
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data += info->index_bias * vb->stride;
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ctx.translate->set_buffer(ctx.translate, i, data, vb->stride, ~0);
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if (unlikely(i == ctx.edgeflag.buffer)) {
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ctx.edgeflag.data = data + ctx.edgeflag.offset;
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ctx.edgeflag.stride = vb->stride;
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}
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}
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if (info->indexed) {
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ctx.idxbuf = nouveau_resource_map_offset(&nvc0->base,
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nv04_resource(nvc0->idxbuf.buffer),
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nvc0->idxbuf.offset, NOUVEAU_BO_RD);
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ctx.idxbuf =
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nouveau_resource_map_offset(&nvc0->base,
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nv04_resource(nvc0->idxbuf.buffer),
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nvc0->idxbuf.offset, NOUVEAU_BO_RD);
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if (!ctx.idxbuf)
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return;
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index_size = nvc0->idxbuf.index_size;
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@ -283,6 +343,9 @@ nvc0_push_vbo(struct nvc0_context *nvc0, const struct pipe_draw_info *info)
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ctx.prim |= NVC0_3D_VERTEX_BEGIN_GL_INSTANCE_NEXT;
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}
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if (unlikely(ctx.edgeflag.value == 0.0f))
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IMMED_RING(ctx.chan, RING_3D(EDGEFLAG_ENABLE), 1);
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if (info->indexed)
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nouveau_resource_unmap(nv04_resource(nvc0->idxbuf.buffer));
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@ -265,7 +265,7 @@ nvc0_vertex_arrays_validate(struct nvc0_context *nvc0)
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struct nvc0_vertex_element *ve;
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unsigned i;
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if (unlikely(vertex->need_conversion)) {
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if (unlikely(vertex->need_conversion || NVC0_USING_EDGEFLAG(nvc0))) {
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nvc0->vbo_fifo = ~0;
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nvc0->vbo_user = 0;
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} else {
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