/* 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. */
-/* XXX move this function into r300_state.c after TCL-bypass gets removed
- * XXX because this one is dependent only on vertex elements. */
-static void r300_vertex_psc(struct r300_context* r300)
-{
- struct r300_vertex_shader* vs = r300->vs_state.state;
- struct r300_vertex_stream_state *vformat =
- (struct r300_vertex_stream_state*)r300->vertex_stream_state.state;
- uint16_t type, swizzle;
- enum pipe_format format;
- unsigned i;
- int identity[16] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
- int* stream_tab;
-
- memset(vformat, 0, sizeof(struct r300_vertex_stream_state));
-
- stream_tab = identity;
-
- /* Vertex shaders have no semantics on their inputs,
- * so PSC should just route stuff based on the vertex elements,
- * and not on attrib information. */
- DBG(r300, DBG_DRAW, "r300: vs expects %d attribs, routing %d elements"
- " in psc\n",
- vs->info.num_inputs,
- r300->velems->count);
-
- for (i = 0; i < r300->velems->count; i++) {
- format = r300->velems->velem[i].src_format;
-
- type = r300_translate_vertex_data_type(format) |
- (stream_tab[i] << R300_DST_VEC_LOC_SHIFT);
- swizzle = r300_translate_vertex_data_swizzle(format);
-
- if (i & 1) {
- vformat->vap_prog_stream_cntl[i >> 1] |= type << 16;
- vformat->vap_prog_stream_cntl_ext[i >> 1] |= swizzle << 16;
- } else {
- vformat->vap_prog_stream_cntl[i >> 1] |= type;
- vformat->vap_prog_stream_cntl_ext[i >> 1] |= swizzle;
- }
- }
-
- assert(i <= 15);
-
- /* Set the last vector in the PSC. */
- if (i) {
- i -= 1;
- }
- vformat->vap_prog_stream_cntl[i >> 1] |=
- (R300_LAST_VEC << (i & 1 ? 16 : 0));
-
- vformat->count = (i >> 1) + 1;
- r300->vertex_stream_state.size = (1 + vformat->count) * 2;
-}
-
-/* Update the PSC tables for SW TCL, using Draw. */
-static void r300_swtcl_vertex_psc(struct r300_context* r300)
-{
- struct r300_vertex_shader* vs = r300->vs_state.state;
- struct r300_vertex_stream_state *vformat =
- (struct r300_vertex_stream_state*)r300->vertex_stream_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;
-
- memset(vformat, 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]);
- }
-
- for (i = 0; i < attrib_count; 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) {
- vformat->vap_prog_stream_cntl[i >> 1] |= type << 16;
- vformat->vap_prog_stream_cntl_ext[i >> 1] |= swizzle << 16;
- } else {
- vformat->vap_prog_stream_cntl[i >> 1] |= type;
- vformat->vap_prog_stream_cntl_ext[i >> 1] |= swizzle;
- }
- }
-
- /* Set the last vector in the PSC. */
- if (i) {
- i -= 1;
- }
- vformat->vap_prog_stream_cntl[i >> 1] |=
- (R300_LAST_VEC << (i & 1 ? 16 : 0));
-
- vformat->count = (i >> 1) + 1;
- r300->vertex_stream_state.size = (1 + vformat->count) * 2;
-}
-
static void r300_rs_col(struct r300_rs_block* rs, int id, int ptr,
boolean swizzle_0001)
{
static void r300_update_derived_shader_state(struct r300_context* r300)
{
struct r300_vertex_shader* vs = r300->vs_state.state;
- struct r300_screen* r300screen = r300_screen(r300->context.screen);
r300_update_rs_block(r300, &vs->outputs, &r300->fs->inputs);
-
- if (r300screen->caps->has_tcl) {
- r300_vertex_psc(r300);
- } else {
- 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);
- }
}
static boolean r300_dsa_writes_depth_stencil(struct r300_dsa_state* dsa)
void r300_update_derived_state(struct r300_context* r300)
{
- if (r300->rs_block_state.dirty ||
- r300->vertex_stream_state.dirty) { /* XXX put updating PSC out of this file */
+ if (r300->rs_block_state.dirty) {
r300_update_derived_shader_state(r300);
}
projects / mesa.git / blobdiff