diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_state_derived.c')
-rw-r--r-- | src/gallium/drivers/r300/r300_state_derived.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_state_derived.c b/src/gallium/drivers/r300/r300_state_derived.c index 3560b6e427..bc5431c802 100644 --- a/src/gallium/drivers/r300/r300_state_derived.c +++ b/src/gallium/drivers/r300/r300_state_derived.c @@ -37,6 +37,131 @@ /* r300_state_derived: Various bits of state which are dependent upon * currently bound CSO data. */ +static void r300_draw_emit_attrib(struct r300_context* r300, + enum attrib_emit emit, + enum interp_mode interp, + int index) +{ + struct r300_vertex_shader* vs = r300->vs_state.state; + struct tgsi_shader_info* info = &vs->info; + int output; + + output = draw_find_shader_output(r300->draw, + info->output_semantic_name[index], + info->output_semantic_index[index]); + draw_emit_vertex_attr(&r300->vertex_info, emit, interp, output); +} + +static void r300_draw_emit_all_attribs(struct r300_context* r300) +{ + struct r300_vertex_shader* vs = r300->vs_state.state; + struct r300_shader_semantics* vs_outputs = &vs->outputs; + int i, gen_count; + + /* Position. */ + if (vs_outputs->pos != ATTR_UNUSED) { + r300_draw_emit_attrib(r300, EMIT_4F, INTERP_PERSPECTIVE, + vs_outputs->pos); + } else { + assert(0); + } + + /* Point size. */ + if (vs_outputs->psize != ATTR_UNUSED) { + r300_draw_emit_attrib(r300, EMIT_1F_PSIZE, INTERP_POS, + vs_outputs->psize); + } + + /* Colors. */ + for (i = 0; i < ATTR_COLOR_COUNT; i++) { + if (vs_outputs->color[i] != ATTR_UNUSED) { + r300_draw_emit_attrib(r300, EMIT_4F, INTERP_LINEAR, + vs_outputs->color[i]); + } + } + + /* XXX Back-face colors. */ + + /* Texture coordinates. */ + gen_count = 0; + for (i = 0; i < ATTR_GENERIC_COUNT; i++) { + if (vs_outputs->generic[i] != ATTR_UNUSED) { + r300_draw_emit_attrib(r300, EMIT_4F, INTERP_PERSPECTIVE, + vs_outputs->generic[i]); + gen_count++; + } + } + + /* Fog coordinates. */ + if (vs_outputs->fog != ATTR_UNUSED) { + r300_draw_emit_attrib(r300, EMIT_4F, INTERP_PERSPECTIVE, + vs_outputs->fog); + gen_count++; + } + + /* XXX magic */ + assert(gen_count <= 8); +} + +/* Update the PSC tables for SW TCL, using Draw. */ +static void r300_swtcl_vertex_psc(struct r300_context *r300) +{ + struct r300_vertex_stream_state *vstream = r300->vertex_stream_state.state; + struct r300_vertex_shader* vs = r300->vs_state.state; + struct vertex_info* vinfo = &r300->vertex_info; + uint16_t type, swizzle; + enum pipe_format format; + unsigned i, attrib_count; + int* vs_output_tab = vs->stream_loc_notcl; + + /* XXX hax */ + memset(vstream, 0, sizeof(struct r300_vertex_stream_state)); + + /* For each Draw attribute, route it to the fragment shader according + * to the vs_output_tab. */ + attrib_count = vinfo->num_attribs; + DBG(r300, DBG_DRAW, "r300: attrib count: %d\n", attrib_count); + for (i = 0; i < attrib_count; i++) { + DBG(r300, DBG_DRAW, "r300: attrib: offset %d, interp %d, size %d," + " vs_output_tab %d\n", vinfo->attrib[i].src_index, + vinfo->attrib[i].interp_mode, vinfo->attrib[i].emit, + vs_output_tab[i]); + + /* Make sure we have a proper destination for our attribute. */ + assert(vs_output_tab[i] != -1); + + format = draw_translate_vinfo_format(vinfo->attrib[i].emit); + + /* Obtain the type of data in this attribute. */ + type = r300_translate_vertex_data_type(format) | + vs_output_tab[i] << R300_DST_VEC_LOC_SHIFT; + + /* Obtain the swizzle for this attribute. Note that the default + * swizzle in the hardware is not XYZW! */ + swizzle = r300_translate_vertex_data_swizzle(format); + + /* Add the attribute to the PSC table. */ + if (i & 1) { + vstream->vap_prog_stream_cntl[i >> 1] |= type << 16; + vstream->vap_prog_stream_cntl_ext[i >> 1] |= swizzle << 16; + } else { + vstream->vap_prog_stream_cntl[i >> 1] |= type; + vstream->vap_prog_stream_cntl_ext[i >> 1] |= swizzle; + } + } + + /* Set the last vector in the PSC. */ + if (i) { + i -= 1; + } + vstream->vap_prog_stream_cntl[i >> 1] |= + (R300_LAST_VEC << (i & 1 ? 16 : 0)); + + vstream->count = (i >> 1) + 1; + r300->vertex_stream_state.dirty = TRUE; + r300->vertex_stream_state.size = (1 + vstream->count) * 2; +} + static void r300_rs_col(struct r300_rs_block* rs, int id, int ptr, boolean swizzle_0001) { @@ -400,5 +525,12 @@ void r300_update_derived_state(struct r300_context* r300) r300_merge_textures_and_samplers(r300); } + if (r300->draw) { + memset(&r300->vertex_info, 0, sizeof(struct vertex_info)); + r300_draw_emit_all_attribs(r300); + draw_compute_vertex_size(&r300->vertex_info); + r300_swtcl_vertex_psc(r300); + } + r300_update_ztop(r300); } |