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authorCorbin Simpson <MostAwesomeDude@gmail.com>2009-04-10 18:15:46 -0700
committerCorbin Simpson <MostAwesomeDude@gmail.com>2009-04-10 18:35:57 -0700
commit1b5b083d5ccaeeca29375072d978d32a258f606f (patch)
treed52c6f81f5d95da894ad9c360f9d817e9f22fd5e /src/gallium/drivers
parente825609d8161bb466ebe1be9a0cc3f492e796a43 (diff)
r300-gallium: Finish up cleanup of vertex format state.
This makes texcoords route properly, and also fixes a few asserts.
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r--src/gallium/drivers/r300/r300_state_derived.c101
1 files changed, 80 insertions, 21 deletions
diff --git a/src/gallium/drivers/r300/r300_state_derived.c b/src/gallium/drivers/r300/r300_state_derived.c
index a777771930..d628373a0c 100644
--- a/src/gallium/drivers/r300/r300_state_derived.c
+++ b/src/gallium/drivers/r300/r300_state_derived.c
@@ -46,7 +46,7 @@ static void r300_vs_tab_routes(struct r300_context* r300,
assert(info->num_inputs <= 16);
for (i = 0; i < info->num_inputs; i++) {
- switch (info->output_semantic_name[i]) {
+ switch (info->input_semantic_name[i]) {
case TGSI_SEMANTIC_POSITION:
pos = TRUE;
tab[i] = 0;
@@ -98,13 +98,9 @@ static void r300_vs_tab_routes(struct r300_context* r300,
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));
}
+ 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;
@@ -209,30 +205,92 @@ static void r300_update_vertex_format(struct r300_context* r300)
}
}
+/* 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.vs_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) |
@@ -274,17 +332,17 @@ static void r300_update_rs_block(struct r300_context* r300)
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) |
@@ -342,6 +400,7 @@ void r300_update_derived_state(struct r300_context* r300)
}
if (r300->dirty_state & R300_NEW_VERTEX_FORMAT) {
+ r300_update_fs_tab(r300);
r300_update_rs_block(r300);
}
}