diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_state_derived.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_state_derived.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/gallium/drivers/r300/r300_state_derived.c b/src/gallium/drivers/r300/r300_state_derived.c index caa5f3b543..7ae339cf97 100644 --- a/src/gallium/drivers/r300/r300_state_derived.c +++ b/src/gallium/drivers/r300/r300_state_derived.c @@ -64,6 +64,7 @@ static void r300_vs_tab_routes(struct r300_context* r300, break; case TGSI_SEMANTIC_FOG: fog = TRUE; + /* Fall through */ case TGSI_SEMANTIC_GENERIC: texs++; break; @@ -103,6 +104,9 @@ static void r300_vs_tab_routes(struct r300_context* r300, } } + /* XXX magic */ + assert(texs <= 8); + /* Do the actual vertex_info setup. * * vertex_info has four uints of hardware-specific data in it. @@ -140,17 +144,21 @@ static void r300_vs_tab_routes(struct r300_context* r300, vinfo->hwfmt[2] |= (R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << i); } - for (i = 0; i < texs; 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_find_vs_output(r300->draw, TGSI_SEMANTIC_GENERIC, i)); + draw_find_vs_output(r300->draw, TGSI_SEMANTIC_FOG, 0)); vinfo->hwfmt[1] |= (R300_INPUT_CNTL_TC0 << i); vinfo->hwfmt[3] |= (4 << (3 * i)); } - if (fog) { - i++; + for (i; i < texs; i++) { draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE, - draw_find_vs_output(r300->draw, TGSI_SEMANTIC_FOG, 0)); + draw_find_vs_output(r300->draw, TGSI_SEMANTIC_GENERIC, i)); vinfo->hwfmt[1] |= (R300_INPUT_CNTL_TC0 << i); vinfo->hwfmt[3] |= (4 << (3 * i)); } |