/* r300_state_derived: Various bits of state which are dependent upon
* currently bound CSO data. */
-/* Update the vertex_info struct in our r300_context.
- *
- * The vertex_info struct describes the post-TCL format of vertices. It is
- * required for Draw when doing SW TCL, and also for describing the
- * dreaded RS block on R300 chipsets. */
-static void r300_update_vertex_layout(struct r300_context* r300)
+/* Set up the vs_tab and routes. */
+static void r300_vs_tab_routes(struct r300_context* r300,
+ struct r300_vertex_format* vformat)
{
struct r300_screen* r300screen = r300_screen(r300->context.screen);
- struct r300_vertex_format vformat;
- struct vertex_info vinfo;
+ struct vertex_info* vinfo = &vformat->vinfo;
+ int* tab = vformat->vs_tab;
boolean pos = FALSE, psize = FALSE, fog = FALSE;
int i, texs = 0, cols = 0;
- int tab[16];
-
- struct tgsi_shader_info* info = &r300->fs->info;
+ struct tgsi_shader_info* info;
- memset(&vinfo, 0, sizeof(vinfo));
- for (i = 0; i < 16; i++) {
- tab[i] = -1;
+ if (r300screen->caps->has_tcl) {
+ /* Use vertex shader to determine required routes. */
+ info = &r300->vs->info;
+ } else {
+ /* Use fragment shader to determine required routes. */
+ info = &r300->fs->info;
}
assert(info->num_inputs <= 16);
- for (i = 0; i < info->num_inputs; i++) {
- switch (info->input_semantic_name[i]) {
- case TGSI_SEMANTIC_POSITION:
- pos = TRUE;
- tab[i] = 0;
- break;
- case TGSI_SEMANTIC_COLOR:
- tab[i] = 2 + cols++;
- break;
- case TGSI_SEMANTIC_PSIZE:
- psize = TRUE;
- tab[i] = 1;
- break;
- case TGSI_SEMANTIC_FOG:
- fog = TRUE;
- /* Fall through... */
- case TGSI_SEMANTIC_GENERIC:
- tab[i] = 6 + texs++;
- break;
- default:
- debug_printf("r300: Unknown vertex input %d\n",
- info->input_semantic_name[i]);
- break;
- }
- }
-
if (r300screen->caps->has_tcl) {
+ /* Just copy vert attribs over as-is. */
for (i = 0; i < info->num_inputs; i++) {
- /* XXX should probably do real lookup with vert shader */
tab[i] = i;
}
+ for (i = 0; i < info->num_outputs; i++) {
+ switch (info->output_semantic_name[i]) {
+ case TGSI_SEMANTIC_POSITION:
+ pos = TRUE;
+ break;
+ case TGSI_SEMANTIC_COLOR:
+ cols++;
+ break;
+ case TGSI_SEMANTIC_PSIZE:
+ psize = TRUE;
+ break;
+ case TGSI_SEMANTIC_FOG:
+ fog = TRUE;
+ /* Fall through */
+ case TGSI_SEMANTIC_GENERIC:
+ texs++;
+ break;
+ default:
+ debug_printf("r300: Unknown vertex output %d\n",
+ info->output_semantic_name[i]);
+ break;
+ }
+ }
+ } else {
+ for (i = 0; i < info->num_inputs; i++) {
+ switch (info->input_semantic_name[i]) {
+ case TGSI_SEMANTIC_POSITION:
+ pos = TRUE;
+ tab[i] = 0;
+ break;
+ case TGSI_SEMANTIC_COLOR:
+ tab[i] = 2 + cols;
+ cols++;
+ break;
+ case TGSI_SEMANTIC_PSIZE:
+ psize = TRUE;
+ tab[i] = 15;
+ break;
+ case TGSI_SEMANTIC_FOG:
+ fog = TRUE;
+ /* Fall through */
+ case TGSI_SEMANTIC_GENERIC:
+ tab[i] = 6 + texs;
+ texs++;
+ break;
+ default:
+ debug_printf("r300: Unknown vertex input %d\n",
+ info->input_semantic_name[i]);
+ break;
+ }
+ }
}
+ /* XXX magic */
+ assert(texs <= 8);
+
/* Do the actual vertex_info setup.
*
* vertex_info has four uints of hardware-specific data in it.
* vinfo.hwfmt[2] is R300_VAP_OUTPUT_VTX_FMT_0
* vinfo.hwfmt[3] is R300_VAP_OUTPUT_VTX_FMT_1 */
- vinfo.hwfmt[0] = 0x5555; /* XXX this is classic Mesa bonghits */
+ vinfo->hwfmt[0] = 0x5555; /* XXX this is classic Mesa bonghits */
if (!pos) {
debug_printf("r300: Forcing vertex position attribute emit...\n");
tab[i] = tab[i-1];
}
tab[0] = 0;
-
- draw_emit_vertex_attr(&vinfo, EMIT_4F, INTERP_POS,
- draw_find_vs_output(r300->draw, TGSI_SEMANTIC_POSITION, 0));
- } else {
- draw_emit_vertex_attr(&vinfo, EMIT_4F, INTERP_PERSPECTIVE,
- draw_find_vs_output(r300->draw, TGSI_SEMANTIC_POSITION, 0));
}
- vinfo.hwfmt[1] |= R300_INPUT_CNTL_POS;
- vinfo.hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT;
+ draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE,
+ draw_find_vs_output(r300->draw, TGSI_SEMANTIC_POSITION, 0));
+ vinfo->hwfmt[1] |= R300_INPUT_CNTL_POS;
+ vinfo->hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT;
if (psize) {
- draw_emit_vertex_attr(&vinfo, EMIT_1F_PSIZE, INTERP_POS,
+ draw_emit_vertex_attr(vinfo, EMIT_1F_PSIZE, INTERP_POS,
draw_find_vs_output(r300->draw, TGSI_SEMANTIC_PSIZE, 0));
- vinfo.hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT;
+ vinfo->hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT;
}
for (i = 0; i < cols; i++) {
- draw_emit_vertex_attr(&vinfo, EMIT_4F, INTERP_LINEAR,
+ draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_LINEAR,
draw_find_vs_output(r300->draw, TGSI_SEMANTIC_COLOR, i));
- vinfo.hwfmt[1] |= R300_INPUT_CNTL_COLOR;
- vinfo.hwfmt[2] |= (R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << i);
+ vinfo->hwfmt[1] |= R300_INPUT_CNTL_COLOR;
+ vinfo->hwfmt[2] |= (R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << i);
}
- for (i = 0; i < texs; i++) {
- draw_emit_vertex_attr(&vinfo, EMIT_4F, INTERP_PERSPECTIVE,
- draw_find_vs_output(r300->draw, TGSI_SEMANTIC_GENERIC, i));
- vinfo.hwfmt[1] |= (R300_INPUT_CNTL_TC0 << i);
- vinfo.hwfmt[3] |= (4 << (3 * i));
- }
+ /* Init i right here, increment it if fog is enabled.
+ * This gets around a double-increment problem. */
+ i = 0;
if (fog) {
i++;
- draw_emit_vertex_attr(&vinfo, EMIT_4F, INTERP_PERSPECTIVE,
+ draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE,
draw_find_vs_output(r300->draw, TGSI_SEMANTIC_FOG, 0));
- vinfo.hwfmt[1] |= (R300_INPUT_CNTL_TC0 << i);
- vinfo.hwfmt[3] |= (4 << (3 * i));
+ vinfo->hwfmt[1] |= (R300_INPUT_CNTL_TC0 << i);
+ vinfo->hwfmt[3] |= (4 << (3 * i));
+ }
+
+ for (i; i < texs; i++) {
+ draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE,
+ draw_find_vs_output(r300->draw, TGSI_SEMANTIC_GENERIC, i));
+ vinfo->hwfmt[1] |= (R300_INPUT_CNTL_TC0 << i);
+ vinfo->hwfmt[3] |= (4 << (3 * i));
}
- draw_compute_vertex_size(&vinfo);
+ /* Handle the case where the vertex shader will be generating some of
+ * the attribs based on its inputs. */
+ if (r300screen->caps->has_tcl &&
+ info->num_inputs < info->num_outputs) {
+ vinfo->num_attribs = info->num_inputs;
+ }
- if (memcmp(&r300->vertex_info, &vinfo, sizeof(struct vertex_info))) {
- uint32_t temp;
- debug_printf("attrib count: %d, fp input count: %d\n",
- vinfo.num_attribs, info->num_inputs);
- for (i = 0; i < vinfo.num_attribs; i++) {
- debug_printf("attrib: offset %d, interp %d, size %d,"
- " tab %d\n", vinfo.attrib[i].src_index,
- vinfo.attrib[i].interp_mode, vinfo.attrib[i].emit,
+ draw_compute_vertex_size(vinfo);
+}
+
+/* Update the PSC tables. */
+static void r300_vertex_psc(struct r300_context* r300,
+ struct r300_vertex_format* vformat)
+{
+ struct r300_screen* r300screen = r300_screen(r300->context.screen);
+ struct vertex_info* vinfo = &vformat->vinfo;
+ int* tab = vformat->vs_tab;
+ uint32_t temp;
+ int i, attrib_count;
+
+ /* Vertex shaders have no semantics on their inputs,
+ * so PSC should just route stuff based on their info,
+ * and not on attrib information. */
+ if (r300screen->caps->has_tcl) {
+ attrib_count = r300->vs->info.num_inputs;
+ debug_printf("r300: routing %d attribs in psc for vs\n",
+ attrib_count);
+ } else {
+ attrib_count = vinfo->num_attribs;
+ debug_printf("r300: attrib count: %d\n", attrib_count);
+ for (i = 0; i < attrib_count; i++) {
+ debug_printf("r300: attrib: offset %d, interp %d, size %d,"
+ " tab %d\n", vinfo->attrib[i].src_index,
+ vinfo->attrib[i].interp_mode, vinfo->attrib[i].emit,
tab[i]);
}
+ }
- for (i = 0; i < vinfo.num_attribs; i++) {
- /* Make sure we have a proper destination for our attribute */
- assert(tab[i] != -1);
+ for (i = 0; i < attrib_count; i++) {
+ /* Make sure we have a proper destination for our attribute */
+ assert(tab[i] != -1);
- temp = translate_vertex_data_type(vinfo.attrib[i].emit) |
- (tab[i] << R300_DST_VEC_LOC_SHIFT);
- if (i & 1) {
- r300->vertex_info.vap_prog_stream_cntl[i >> 1] &= 0x0000ffff;
- r300->vertex_info.vap_prog_stream_cntl[i >> 1] |= temp << 16;
- } else {
- r300->vertex_info.vap_prog_stream_cntl[i >> 1] &= 0xffff0000;
- r300->vertex_info.vap_prog_stream_cntl[i >> 1] |= temp;
- }
+ /* Add the attribute to the PSC table. */
+ temp = r300screen->caps->has_tcl ?
+ R300_DATA_TYPE_FLOAT_4 :
+ translate_vertex_data_type(vinfo->attrib[i].emit);
+ temp |= tab[i] << R300_DST_VEC_LOC_SHIFT;
+
+ if (i & 1) {
+ vformat->vap_prog_stream_cntl[i >> 1] &= 0x0000ffff;
+ vformat->vap_prog_stream_cntl[i >> 1] |= temp << 16;
- r300->vertex_info.vap_prog_stream_cntl_ext[i >> 1] |=
- (R300_VAP_SWIZZLE_XYZW << (i & 1 ? 16 : 0));
+ vformat->vap_prog_stream_cntl_ext[i >> 1] |=
+ (R300_VAP_SWIZZLE_XYZW << 16);
+ } else {
+ vformat->vap_prog_stream_cntl[i >> 1] &= 0xffff0000;
+ vformat->vap_prog_stream_cntl[i >> 1] |= temp << 0;
+
+ vformat->vap_prog_stream_cntl_ext[i >> 1] |=
+ (R300_VAP_SWIZZLE_XYZW << 0);
}
- /* Set the last vector. */
- i--;
- r300->vertex_info.vap_prog_stream_cntl[i >> 1] |= (R300_LAST_VEC <<
- (i & 1 ? 16 : 0));
+ }
- memcpy(r300->vertex_info.tab, tab, sizeof(tab));
- memcpy(&r300->vertex_info, &vinfo, sizeof(struct vertex_info));
+ /* Set the last vector in the PSC. */
+ i--;
+ vformat->vap_prog_stream_cntl[i >> 1] |=
+ (R300_LAST_VEC << (i & 1 ? 16 : 0));
+}
+
+/* Update the vertex format. */
+static void r300_update_vertex_format(struct r300_context* r300)
+{
+ struct r300_vertex_format vformat;
+ int i;
+
+ memset(&vformat, 0, sizeof(struct r300_vertex_format));
+ for (i = 0; i < 16; i++) {
+ vformat.vs_tab[i] = -1;
+ vformat.fs_tab[i] = -1;
+ }
+
+ r300_vs_tab_routes(r300, &vformat);
+
+ r300_vertex_psc(r300, &vformat);
+
+ if (memcmp(&r300->vertex_info, &vformat,
+ sizeof(struct r300_vertex_format))) {
+ memcpy(&r300->vertex_info, &vformat,
+ sizeof(struct r300_vertex_format));
r300->dirty_state |= R300_NEW_VERTEX_FORMAT;
}
}
+/* Set up the mappings from GB to US, for RS block. */
+static void r300_update_fs_tab(struct r300_context* r300)
+{
+ struct r300_vertex_format* vformat = &r300->vertex_info;
+ struct tgsi_shader_info* info = &r300->fs->info;
+ int i, cols = 0, texs = 0, cols_emitted = 0;
+ int* tab = vformat->fs_tab;
+
+ for (i = 0; i < 16; i++) {
+ tab[i] = -1;
+ }
+
+ assert(info->num_inputs <= 16);
+ for (i = 0; i < info->num_inputs; i++) {
+ switch (info->input_semantic_name[i]) {
+ case TGSI_SEMANTIC_COLOR:
+ tab[i] = INTERP_LINEAR;
+ cols++;
+ break;
+ case TGSI_SEMANTIC_POSITION:
+ case TGSI_SEMANTIC_PSIZE:
+ debug_printf("r300: Implementation error: Can't use "
+ "pos attribs in fragshader yet!\n");
+ /* Pass through for now */
+ case TGSI_SEMANTIC_FOG:
+ case TGSI_SEMANTIC_GENERIC:
+ tab[i] = INTERP_PERSPECTIVE;
+ break;
+ default:
+ debug_printf("r300: Unknown vertex input %d\n",
+ info->input_semantic_name[i]);
+ break;
+ }
+ }
+
+ /* Now that we know where everything is... */
+ debug_printf("r300: fp input count: %d\n", info->num_inputs);
+ for (i = 0; i < info->num_inputs; i++) {
+ switch (tab[i]) {
+ case INTERP_LINEAR:
+ debug_printf("r300: attrib: "
+ "stack offset %d, color, tab %d\n",
+ i, cols_emitted);
+ tab[i] = cols_emitted;
+ cols_emitted++;
+ break;
+ case INTERP_PERSPECTIVE:
+ debug_printf("r300: attrib: "
+ "stack offset %d, texcoord, tab %d\n",
+ i, cols + texs);
+ tab[i] = cols + texs;
+ texs++;
+ break;
+ case -1:
+ debug_printf("r300: Implementation error: Bad fp interp!\n");
+ default:
+ break;
+ }
+ }
+
+}
+
/* Set up the RS block. This is the part of the chipset that actually does
* the rasterization of vertices into fragments. This is also the part of the
* chipset that locks up if any part of it is even slightly wrong. */
static void r300_update_rs_block(struct r300_context* r300)
{
struct r300_rs_block* rs = r300->rs_block;
- struct vertex_info* vinfo = &r300->vertex_info.vinfo;
- int* tab = r300->vertex_info.tab;
+ struct tgsi_shader_info* info = &r300->fs->info;
+ int* tab = r300->vertex_info.fs_tab;
int col_count = 0, fp_offset = 0, i, memory_pos, tex_count = 0;
memset(rs, 0, sizeof(struct r300_rs_block));
if (r300_screen(r300->context.screen)->caps->is_r500) {
- for (i = 0; i < vinfo->num_attribs; i++) {
- assert(tab[vinfo->attrib[i].src_index] != -1);
- memory_pos = tab[vinfo->attrib[i].src_index] * 4;
- switch (vinfo->attrib[i].interp_mode) {
- case INTERP_LINEAR:
+ for (i = 0; i < info->num_inputs; i++) {
+ assert(tab[i] != -1);
+ memory_pos = tab[i] * 4;
+ switch (info->input_semantic_name[i]) {
+ case TGSI_SEMANTIC_COLOR:
rs->ip[col_count] |=
R500_RS_COL_PTR(memory_pos) |
R500_RS_COL_FMT(R300_RS_COL_FMT_RGBA);
col_count++;
break;
- case INTERP_PERSPECTIVE:
+ case TGSI_SEMANTIC_GENERIC:
rs->ip[tex_count] |=
R500_RS_SEL_S(memory_pos) |
R500_RS_SEL_T(memory_pos + 1) |
fp_offset++;
}
} else {
- for (i = 0; i < vinfo->num_attribs; i++) {
- memory_pos = tab[vinfo->attrib[i].src_index] * 4;
- assert(tab[vinfo->attrib[i].src_index] != -1);
- switch (vinfo->attrib[i].interp_mode) {
- case INTERP_LINEAR:
+ for (i = 0; i < info->num_inputs; i++) {
+ assert(tab[i] != -1);
+ memory_pos = tab[i] * 4;
+ switch (info->input_semantic_name[i]) {
+ case TGSI_SEMANTIC_COLOR:
rs->ip[col_count] |=
R300_RS_COL_PTR(memory_pos) |
R300_RS_COL_FMT(R300_RS_COL_FMT_RGBA);
col_count++;
break;
- case INTERP_PERSPECTIVE:
+ case TGSI_SEMANTIC_GENERIC:
rs->ip[tex_count] |=
R300_RS_TEX_PTR(memory_pos) |
R300_RS_SEL_S(R300_RS_SEL_C0) |
{
if (r300->dirty_state &
(R300_NEW_FRAGMENT_SHADER | R300_NEW_VERTEX_SHADER)) {
- r300_update_vertex_layout(r300);
+ r300_update_vertex_format(r300);
}
if (r300->dirty_state & R300_NEW_VERTEX_FORMAT) {
+ r300_update_fs_tab(r300);
r300_update_rs_block(r300);
}
}
projects / mesa.git / blobdiff