diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_state_derived.c')
| -rw-r--r-- | src/gallium/drivers/r300/r300_state_derived.c | 684 |
1 files changed, 348 insertions, 336 deletions
diff --git a/src/gallium/drivers/r300/r300_state_derived.c b/src/gallium/drivers/r300/r300_state_derived.c index 7d000e9e2d..192846411b 100644 --- a/src/gallium/drivers/r300/r300_state_derived.c +++ b/src/gallium/drivers/r300/r300_state_derived.c @@ -1,5 +1,6 @@ /* * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com> + * Copyright 2009 Marek Olšák <maraeo@gmail.com> * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -28,6 +29,7 @@ #include "r300_context.h" #include "r300_fs.h" #include "r300_screen.h" +#include "r300_shader_semantics.h" #include "r300_state_derived.h" #include "r300_state_inlines.h" #include "r300_vs.h" @@ -47,8 +49,8 @@ struct r300_shader_derived_value { unsigned r300_shader_key_hash(void* key) { struct r300_shader_key* shader_key = (struct r300_shader_key*)key; - unsigned vs = (unsigned)shader_key->vs; - unsigned fs = (unsigned)shader_key->fs; + unsigned vs = (intptr_t)shader_key->vs; + unsigned fs = (intptr_t)shader_key->fs; return (vs << 16) | (fs & 0xffff); } @@ -61,200 +63,152 @@ int r300_shader_key_compare(void* key1, void* key2) { (shader_key1->fs == shader_key2->fs); } -/* Set up the vs_tab and routes. */ -static void r300_vs_tab_routes(struct r300_context* r300, - struct r300_vertex_format* vformat) +static void r300_draw_emit_attrib(struct r300_context* r300, + enum attrib_emit emit, + enum interp_mode interp, + int index) { - struct r300_screen* r300screen = r300_screen(r300->context.screen); - struct vertex_info* vinfo = &vformat->vinfo; - int* tab = vformat->vs_tab; - boolean pos = FALSE, psize = FALSE, fog = FALSE; - int i, texs = 0, cols = 0; - struct tgsi_shader_info* info; + struct tgsi_shader_info* info = &r300->vs->info; + int output; - if (r300screen->caps->has_tcl) { - /* Use vertex shader to determine required routes. */ - info = &r300->vs->info; + output = draw_find_shader_output(r300->draw, + info->output_semantic_name[index], + info->output_semantic_index[index]); + draw_emit_vertex_attr(&r300->vertex_info->vinfo, emit, interp, output); +} + +static void r300_draw_emit_all_attribs(struct r300_context* r300) +{ + struct r300_shader_semantics* vs_outputs = &r300->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 { - /* Use fragment shader to determine required routes. */ - info = &r300->fs->info; + assert(0); } - assert(info->num_inputs <= 16); - - if (!r300screen->caps->has_tcl || !r300->rs_state->enable_vte) - { - for (i = 0; i < info->num_inputs; i++) { - switch (r300->vs->code.inputs[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: - assert(psize == FALSE); - psize = TRUE; - tab[i] = 15; - break; - case TGSI_SEMANTIC_FOG: - assert(fog == FALSE); - 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; - } - } + /* Point size. */ + if (vs_outputs->psize != ATTR_UNUSED) { + r300_draw_emit_attrib(r300, EMIT_1F_PSIZE, INTERP_POS, + vs_outputs->psize); } - else - { - /* Just copy vert attribs over as-is. */ - for (i = 0; i < info->num_inputs; i++) { - 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; - } + /* 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 magic */ - assert(texs <= 8); + /* XXX Back-face colors. */ - /* Do the actual vertex_info setup. - * - * vertex_info has four uints of hardware-specific data in it. - * vinfo.hwfmt[0] is R300_VAP_VTX_STATE_CNTL - * vinfo.hwfmt[1] is R300_VAP_VSM_VTX_ASSM - * 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 */ - - /* We need to add vertex position attribute only for SW TCL case, - * for HW TCL case it could be generated by vertex shader */ - if (!pos && !r300screen->caps->has_tcl) { - debug_printf("r300: Forcing vertex position attribute emit...\n"); - /* Make room for the position attribute - * at the beginning of the tab. */ - for (i = 15; i > 0; i--) { - tab[i] = tab[i-1]; + /* 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++; } - tab[0] = 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; - - if (psize) { - 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; } - for (i = 0; i < cols; i++) { - 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); + /* Fog coordinates. */ + if (vs_outputs->fog != ATTR_UNUSED) { + r300_draw_emit_attrib(r300, EMIT_4F, INTERP_PERSPECTIVE, + vs_outputs->fog); + gen_count++; } - /* Init i right here, increment it if fog is enabled. - * This gets around a double-increment problem. */ - i = 0; + /* XXX magic */ + assert(gen_count <= 8); +} - if (fog) { - i++; - 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)); +/* Update the PSC tables. */ +static void r300_vertex_psc(struct r300_context* r300) +{ + struct r300_vertex_info *vformat = r300->vertex_info; + 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; + + /* If TCL is bypassed, map vertex streams to equivalent VS output + * locations. */ + if (r300->tcl_bypass) { + stream_tab = r300->vs->stream_loc_notcl; + } else { + stream_tab = identity; } - for (; 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)); - } + /* 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", + r300->vs->info.num_inputs, + r300->vertex_element_count); - /* 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; + for (i = 0; i < r300->vertex_element_count; i++) { + format = r300->vertex_element[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; + } } - draw_compute_vertex_size(vinfo); + 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)); } -/* Update the PSC tables. */ -static void r300_vertex_psc(struct r300_context* r300, - struct r300_vertex_format* vformat) +/* Update the PSC tables for SW TCL, using Draw. */ +static void r300_swtcl_vertex_psc(struct r300_context* r300) { - struct r300_screen* r300screen = r300_screen(r300->context.screen); + struct r300_vertex_info *vformat = r300->vertex_info; struct vertex_info* vinfo = &vformat->vinfo; - int* tab = vformat->vs_tab; uint16_t type, swizzle; enum pipe_format format; unsigned i, attrib_count; + int* vs_output_tab = r300->vs->stream_loc_notcl; - /* 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; - DBG(r300, DBG_DRAW, "r300: routing %d attribs in psc for vs\n", - attrib_count); - } else { - 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," - " tab %d\n", vinfo->attrib[i].src_index, - vinfo->attrib[i].interp_mode, vinfo->attrib[i].emit, - tab[i]); - } + /* 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(tab[i] != -1); + 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) | - tab[i] << R300_DST_VEC_LOC_SHIFT; + 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! */ @@ -263,12 +217,10 @@ static void r300_vertex_psc(struct r300_context* r300, /* 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 << 0; - - vformat->vap_prog_stream_cntl_ext[i >> 1] |= swizzle << 0; + vformat->vap_prog_stream_cntl[i >> 1] |= type; + vformat->vap_prog_stream_cntl_ext[i >> 1] |= swizzle; } } @@ -280,188 +232,216 @@ static void r300_vertex_psc(struct r300_context* r300, (R300_LAST_VEC << (i & 1 ? 16 : 0)); } -/* 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) +static void r300_rs_col(struct r300_rs_block* rs, int id, int ptr, + boolean swizzle_0001) +{ + rs->ip[id] |= R300_RS_COL_PTR(ptr); + if (swizzle_0001) { + rs->ip[id] |= R300_RS_COL_FMT(R300_RS_COL_FMT_0001); + } else { + rs->ip[id] |= R300_RS_COL_FMT(R300_RS_COL_FMT_RGBA); + } + rs->inst[id] |= R300_RS_INST_COL_ID(id); +} + +static void r300_rs_col_write(struct r300_rs_block* rs, int id, int fp_offset) { - struct tgsi_shader_info* info = &r300->fs->info; - int i, cols = 0, texs = 0, cols_emitted = 0; - int* tab = vformat->fs_tab; + rs->inst[id] |= R300_RS_INST_COL_CN_WRITE | + R300_RS_INST_COL_ADDR(fp_offset); +} - for (i = 0; i < 16; i++) { - tab[i] = -1; +static void r300_rs_tex(struct r300_rs_block* rs, int id, int ptr, + boolean swizzle_X001) +{ + if (swizzle_X001) { + rs->ip[id] |= R300_RS_TEX_PTR(ptr*4) | + R300_RS_SEL_S(R300_RS_SEL_C0) | + R300_RS_SEL_T(R300_RS_SEL_K0) | + R300_RS_SEL_R(R300_RS_SEL_K0) | + R300_RS_SEL_Q(R300_RS_SEL_K1); + } else { + rs->ip[id] |= R300_RS_TEX_PTR(ptr*4) | + R300_RS_SEL_S(R300_RS_SEL_C0) | + R300_RS_SEL_T(R300_RS_SEL_C1) | + R300_RS_SEL_R(R300_RS_SEL_C2) | + R300_RS_SEL_Q(R300_RS_SEL_C3); } + rs->inst[id] |= R300_RS_INST_TEX_ID(id); +} - 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; - } +static void r300_rs_tex_write(struct r300_rs_block* rs, int id, int fp_offset) +{ + rs->inst[id] |= R300_RS_INST_TEX_CN_WRITE | + R300_RS_INST_TEX_ADDR(fp_offset); +} + +static void r500_rs_col(struct r300_rs_block* rs, int id, int ptr, + boolean swizzle_0001) +{ + rs->ip[id] |= R500_RS_COL_PTR(ptr); + if (swizzle_0001) { + rs->ip[id] |= R500_RS_COL_FMT(R300_RS_COL_FMT_0001); + } else { + rs->ip[id] |= R500_RS_COL_FMT(R300_RS_COL_FMT_RGBA); } + rs->inst[id] |= R500_RS_INST_COL_ID(id); +} - /* Now that we know where everything is... */ - DBG(r300, DBG_DRAW, "r300: fp input count: %d\n", info->num_inputs); - for (i = 0; i < info->num_inputs; i++) { - switch (tab[i]) { - case INTERP_LINEAR: - DBG(r300, DBG_DRAW, "r300: attrib: " - "stack offset %d, color, tab %d\n", - i, cols_emitted); - tab[i] = cols_emitted; - cols_emitted++; - break; - case INTERP_PERSPECTIVE: - DBG(r300, DBG_DRAW, "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; - } +static void r500_rs_col_write(struct r300_rs_block* rs, int id, int fp_offset) +{ + rs->inst[id] |= R500_RS_INST_COL_CN_WRITE | + R500_RS_INST_COL_ADDR(fp_offset); +} + +static void r500_rs_tex(struct r300_rs_block* rs, int id, int ptr, + boolean swizzle_X001) +{ + int rs_tex_comp = ptr*4; + + if (swizzle_X001) { + rs->ip[id] |= R500_RS_SEL_S(rs_tex_comp) | + R500_RS_SEL_T(R500_RS_IP_PTR_K0) | + R500_RS_SEL_R(R500_RS_IP_PTR_K0) | + R500_RS_SEL_Q(R500_RS_IP_PTR_K1); + } else { + rs->ip[id] |= R500_RS_SEL_S(rs_tex_comp) | + R500_RS_SEL_T(rs_tex_comp + 1) | + R500_RS_SEL_R(rs_tex_comp + 2) | + R500_RS_SEL_Q(rs_tex_comp + 3); } + rs->inst[id] |= R500_RS_INST_TEX_ID(id); +} +static void r500_rs_tex_write(struct r300_rs_block* rs, int id, int fp_offset) +{ + rs->inst[id] |= R500_RS_INST_TEX_CN_WRITE | + R500_RS_INST_TEX_ADDR(fp_offset); } -/* 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. */ +/* 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) + struct r300_shader_semantics* vs_outputs, + struct r300_shader_semantics* fs_inputs) { - struct tgsi_shader_info* info = &r300->fs->info; - int col_count = 0, fp_offset = 0, i, tex_count = 0; - int rs_tex_comp = 0; + struct r300_rs_block* rs = r300->rs_block; + int i, col_count = 0, tex_count = 0, fp_offset = 0; + void (*rX00_rs_col)(struct r300_rs_block*, int, int, boolean); + void (*rX00_rs_col_write)(struct r300_rs_block*, int, int); + void (*rX00_rs_tex)(struct r300_rs_block*, int, int, boolean); + void (*rX00_rs_tex_write)(struct r300_rs_block*, int, int); + boolean any_bcolor_used = vs_outputs->bcolor[0] != ATTR_UNUSED || + vs_outputs->bcolor[1] != ATTR_UNUSED; if (r300_screen(r300->context.screen)->caps->is_r500) { - for (i = 0; i < info->num_inputs; i++) { - switch (info->input_semantic_name[i]) { - case TGSI_SEMANTIC_COLOR: - rs->ip[col_count] |= - R500_RS_COL_PTR(col_count) | - R500_RS_COL_FMT(R300_RS_COL_FMT_RGBA); - col_count++; - break; - case TGSI_SEMANTIC_GENERIC: - rs->ip[tex_count] |= - R500_RS_SEL_S(rs_tex_comp) | - R500_RS_SEL_T(rs_tex_comp + 1) | - R500_RS_SEL_R(rs_tex_comp + 2) | - R500_RS_SEL_Q(rs_tex_comp + 3); - tex_count++; - rs_tex_comp += 4; - break; - default: - break; - } - } + rX00_rs_col = r500_rs_col; + rX00_rs_col_write = r500_rs_col_write; + rX00_rs_tex = r500_rs_tex; + rX00_rs_tex_write = r500_rs_tex_write; + } else { + rX00_rs_col = r300_rs_col; + rX00_rs_col_write = r300_rs_col_write; + rX00_rs_tex = r300_rs_tex; + rX00_rs_tex_write = r300_rs_tex_write; + } - /* Rasterize at least one color, or bad things happen. */ - if ((col_count == 0) && (tex_count == 0)) { - rs->ip[0] |= R500_RS_COL_FMT(R300_RS_COL_FMT_0001); + /* Rasterize colors. */ + for (i = 0; i < ATTR_COLOR_COUNT; i++) { + if (vs_outputs->color[i] != ATTR_UNUSED || any_bcolor_used) { + /* Always rasterize if it's written by the VS, + * otherwise it locks up. */ + rX00_rs_col(rs, col_count, i, FALSE); + + /* Write it to the FS input register if it's used by the FS. */ + if (fs_inputs->color[i] != ATTR_UNUSED) { + rX00_rs_col_write(rs, col_count, fp_offset); + fp_offset++; + } col_count++; + } else { + /* Skip the FS input register, leave it uninitialized. */ + /* If we try to set it to (0,0,0,1), it will lock up. */ + if (fs_inputs->color[i] != ATTR_UNUSED) { + fp_offset++; + } } + } - for (i = 0; i < tex_count; i++) { - rs->inst[i] |= R500_RS_INST_TEX_ID(i) | - R500_RS_INST_TEX_CN_WRITE | R500_RS_INST_TEX_ADDR(fp_offset); - fp_offset++; + /* Rasterize texture coordinates. */ + for (i = 0; i < ATTR_GENERIC_COUNT; i++) { + if (vs_outputs->generic[i] != ATTR_UNUSED) { + /* Always rasterize if it's written by the VS, + * otherwise it locks up. */ + rX00_rs_tex(rs, tex_count, tex_count, FALSE); + + /* Write it to the FS input register if it's used by the FS. */ + if (fs_inputs->generic[i] != ATTR_UNUSED) { + rX00_rs_tex_write(rs, tex_count, fp_offset); + fp_offset++; + } + tex_count++; + } else { + /* Skip the FS input register, leave it uninitialized. */ + /* If we try to set it to (0,0,0,1), it will lock up. */ + if (fs_inputs->generic[i] != ATTR_UNUSED) { + fp_offset++; + } } + } - for (i = 0; i < col_count; i++) { - rs->inst[i] |= R500_RS_INST_COL_ID(i) | - R500_RS_INST_COL_CN_WRITE | R500_RS_INST_COL_ADDR(fp_offset); + /* Rasterize fog coordinates. */ + if (vs_outputs->fog != ATTR_UNUSED) { + /* Always rasterize if it's written by the VS, + * otherwise it locks up. */ + rX00_rs_tex(rs, tex_count, tex_count, TRUE); + + /* Write it to the FS input register if it's used by the FS. */ + if (fs_inputs->fog != ATTR_UNUSED) { + rX00_rs_tex_write(rs, tex_count, fp_offset); fp_offset++; } + tex_count++; } else { - for (i = 0; i < info->num_inputs; i++) { - switch (info->input_semantic_name[i]) { - case TGSI_SEMANTIC_COLOR: - rs->ip[col_count] |= - R300_RS_COL_PTR(col_count) | - R300_RS_COL_FMT(R300_RS_COL_FMT_RGBA); - col_count++; - break; - case TGSI_SEMANTIC_GENERIC: - rs->ip[tex_count] |= - R300_RS_TEX_PTR(rs_tex_comp) | - R300_RS_SEL_S(R300_RS_SEL_C0) | - R300_RS_SEL_T(R300_RS_SEL_C1) | - R300_RS_SEL_R(R300_RS_SEL_C2) | - R300_RS_SEL_Q(R300_RS_SEL_C3); - tex_count++; - rs_tex_comp+=4; - break; - default: - break; - } - } - - if (col_count == 0) { - rs->ip[0] |= R300_RS_COL_FMT(R300_RS_COL_FMT_0001); - } - - if (tex_count == 0) { - rs->ip[0] |= - R300_RS_SEL_S(R300_RS_SEL_K0) | - R300_RS_SEL_T(R300_RS_SEL_K0) | - R300_RS_SEL_R(R300_RS_SEL_K0) | - R300_RS_SEL_Q(R300_RS_SEL_K1); + /* Skip the FS input register, leave it uninitialized. */ + /* If we try to set it to (0,0,0,1), it will lock up. */ + if (fs_inputs->fog != ATTR_UNUSED) { + fp_offset++; } + } - /* Rasterize at least one color, or bad things happen. */ - if ((col_count == 0) && (tex_count == 0)) { - col_count++; - } + /* Rasterize WPOS. */ + /* If the FS doesn't need it, it's not written by the VS. */ + if (fs_inputs->wpos != ATTR_UNUSED) { + rX00_rs_tex(rs, tex_count, tex_count, FALSE); + rX00_rs_tex_write(rs, tex_count, fp_offset); - for (i = 0; i < tex_count; i++) { - rs->inst[i] |= R300_RS_INST_TEX_ID(i) | - R300_RS_INST_TEX_CN_WRITE | R300_RS_INST_TEX_ADDR(fp_offset); - fp_offset++; - } + fp_offset++; + tex_count++; + } - for (i = 0; i < col_count; i++) { - rs->inst[i] |= R300_RS_INST_COL_ID(i) | - R300_RS_INST_COL_CN_WRITE | R300_RS_INST_COL_ADDR(fp_offset); - fp_offset++; - } + /* Rasterize at least one color, or bad things happen. */ + if (col_count == 0 && tex_count == 0) { + rX00_rs_col(rs, 0, 0, TRUE); + col_count++; } - rs->count = (rs_tex_comp) | (col_count << R300_IC_COUNT_SHIFT) | + rs->count = (tex_count*4) | (col_count << R300_IC_COUNT_SHIFT) | R300_HIRES_EN; - rs->inst_count = MAX2(MAX2(col_count - 1, tex_count - 1), 0); + rs->inst_count = MAX3(col_count - 1, tex_count - 1, 0); } /* Update the vertex format. */ static void r300_update_derived_shader_state(struct r300_context* r300) { - struct r300_shader_key* key; - struct r300_vertex_format* vformat; - struct r300_rs_block* rs_block; - struct r300_shader_derived_value* value; - int i; + struct r300_screen* r300screen = r300_screen(r300->context.screen); /* + struct r300_shader_key* key; + struct r300_shader_derived_value* value; key = CALLOC_STRUCT(r300_shader_key); key->vs = r300->vs; key->fs = r300->fs; @@ -485,32 +465,51 @@ static void r300_update_derived_shader_state(struct r300_context* r300) (void*)key, (void*)value); } */ - /* XXX This will be refactored ASAP. */ - vformat = CALLOC_STRUCT(r300_vertex_format); - rs_block = CALLOC_STRUCT(r300_rs_block); + /* Reset structures */ + memset(r300->rs_block, 0, sizeof(struct r300_rs_block)); + memset(r300->vertex_info, 0, sizeof(struct r300_vertex_info)); + memcpy(r300->vertex_info->vinfo.hwfmt, r300->vs->hwfmt, sizeof(uint)*4); + + r300_update_rs_block(r300, &r300->vs->outputs, &r300->fs->inputs); - for (i = 0; i < 16; i++) { - vformat->vs_tab[i] = -1; - vformat->fs_tab[i] = -1; + if (r300screen->caps->has_tcl) { + r300_vertex_psc(r300); + } else { + r300_draw_emit_all_attribs(r300); + draw_compute_vertex_size(&r300->vertex_info->vinfo); + r300_swtcl_vertex_psc(r300); } - r300_vs_tab_routes(r300, vformat); - r300_vertex_psc(r300, vformat); - r300_update_fs_tab(r300, vformat); + r300->dirty_state |= R300_NEW_RS_BLOCK; +} - r300_update_rs_block(r300, rs_block); +static boolean r300_dsa_writes_depth_stencil(struct r300_dsa_state* dsa) +{ + /* We are interested only in the cases when a new depth or stencil value + * can be written and changed. */ + + /* We might optionally check for [Z func: never] and inspect the stencil + * state in a similar fashion, but it's not terribly important. */ + return (dsa->z_buffer_control & R300_Z_WRITE_ENABLE) || + (dsa->stencil_ref_mask & R300_STENCILWRITEMASK_MASK) || + ((dsa->z_buffer_control & R500_STENCIL_REFMASK_FRONT_BACK) && + (dsa->stencil_ref_bf & R300_STENCILWRITEMASK_MASK)); +} - FREE(r300->vertex_info); - FREE(r300->rs_block); +static boolean r300_dsa_alpha_test_enabled(struct r300_dsa_state* dsa) +{ + /* We are interested only in the cases when alpha testing can kill + * a fragment. */ + uint32_t af = dsa->alpha_function; - r300->vertex_info = vformat; - r300->rs_block = rs_block; - r300->dirty_state |= (R300_NEW_VERTEX_FORMAT | R300_NEW_RS_BLOCK); + return (af & R300_FG_ALPHA_FUNC_ENABLE) && + (af & R300_FG_ALPHA_FUNC_ALWAYS) != R300_FG_ALPHA_FUNC_ALWAYS; } static void r300_update_ztop(struct r300_context* r300) { - r300->ztop_state.z_buffer_top = R300_ZTOP_ENABLE; + struct r300_ztop_state* ztop_state = + (struct r300_ztop_state*)r300->ztop_state.state; /* This is important enough that I felt it warranted a comment. * @@ -524,32 +523,45 @@ static void r300_update_ztop(struct r300_context* r300) * The docs claim that for the first three cases, if no ZS writes happen, * then ZTOP can be used. * + * (3) will never apply since we do not support chroma-keyed operations. + * (4) will need to be re-examined (and this comment updated) if/when + * Hyper-Z becomes supported. + * * Additionally, the following conditions require disabled ZTOP: - * ~) Depth writes in fragment shader - * ~) Outstanding occlusion queries + * 5) Depth writes in fragment shader + * 6) Outstanding occlusion queries + * + * This register causes stalls all the way from SC to CB when changed, + * but it is buffered on-chip so it does not hurt to write it if it has + * not changed. * * ~C. */ - if (r300->dsa_state->alpha_function) { - r300->ztop_state.z_buffer_top = R300_ZTOP_DISABLE; - } else if (r300->fs->info.uses_kill) { - r300->ztop_state.z_buffer_top = R300_ZTOP_DISABLE; - } else if (r300_fragment_shader_writes_depth(r300->fs)) { - r300->ztop_state.z_buffer_top = R300_ZTOP_DISABLE; - } else if (r300->query_current) { - r300->ztop_state.z_buffer_top = R300_ZTOP_DISABLE; + + /* ZS writes */ + if (r300_dsa_writes_depth_stencil(r300->dsa_state.state) && + (r300_dsa_alpha_test_enabled(r300->dsa_state.state) ||/* (1) */ + r300->fs->info.uses_kill)) { /* (2) */ + ztop_state->z_buffer_top = R300_ZTOP_DISABLE; + } else if (r300_fragment_shader_writes_depth(r300->fs)) { /* (5) */ + ztop_state->z_buffer_top = R300_ZTOP_DISABLE; + } else if (r300->query_current) { /* (6) */ + ztop_state->z_buffer_top = R300_ZTOP_DISABLE; + } else { + ztop_state->z_buffer_top = R300_ZTOP_ENABLE; } + + r300->ztop_state.dirty = TRUE; } void r300_update_derived_state(struct r300_context* r300) { + /* XXX */ if (r300->dirty_state & - (R300_NEW_FRAGMENT_SHADER | R300_NEW_VERTEX_SHADER)) { + (R300_NEW_FRAGMENT_SHADER | R300_NEW_VERTEX_SHADER | + R300_NEW_VERTEX_FORMAT) || r300->rs_state.dirty) { r300_update_derived_shader_state(r300); } - if (r300->dirty_state & - (R300_NEW_DSA | R300_NEW_FRAGMENT_SHADER | R300_NEW_QUERY)) { - r300_update_ztop(r300); - } + r300_update_ztop(r300); } |