/*
* 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"),
#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"
/* r300_state_derived: Various bits of state which are dependent upon
* currently bound CSO data. */
-struct r300_shader_key {
- struct r300_vertex_shader* vs;
- struct r300_fragment_shader* fs;
-};
-
-struct r300_shader_derived_value {
- struct r300_vertex_format* vformat;
- struct r300_rs_block* rs_block;
-};
-
-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;
-
- return (vs << 16) | (fs & 0xffff);
-}
-
-int r300_shader_key_compare(void* key1, void* key2) {
- struct r300_shader_key* shader_key1 = (struct r300_shader_key*)key1;
- struct r300_shader_key* shader_key2 = (struct r300_shader_key*)key2;
-
- return (shader_key1->vs == shader_key2->vs) &&
- (shader_key1->fs == shader_key2->fs);
+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);
}
-/* Set up the vs_tab and routes. */
-static void r300_vs_tab_routes(struct r300_context* r300,
- struct r300_vertex_info* vformat)
+static void r300_draw_emit_all_attribs(struct r300_context* r300)
{
- 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;
-
- 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);
-
- 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;
- }
- }
- }
- 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;
- }
- }
- }
-
- /* XXX magic */
- assert(texs <= 8);
-
- /* 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];
- }
- tab[0] = 0;
- }
+ struct r300_vertex_shader* vs = r300->vs_state.state;
+ struct r300_shader_semantics* vs_outputs = &vs->outputs;
+ int i, gen_count;
/* Position. */
- if (r300->draw) {
- draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE,
- draw_find_vs_output(r300->draw, TGSI_SEMANTIC_POSITION, 0));
+ if (vs_outputs->pos != ATTR_UNUSED) {
+ r300_draw_emit_attrib(r300, EMIT_4F, INTERP_PERSPECTIVE,
+ vs_outputs->pos);
+ } else {
+ assert(0);
}
- vinfo->hwfmt[1] |= R300_INPUT_CNTL_POS;
- vinfo->hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT;
/* Point size. */
- if (psize) {
- if (r300->draw) {
- 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;
+ if (vs_outputs->psize != ATTR_UNUSED) {
+ r300_draw_emit_attrib(r300, EMIT_1F_PSIZE, INTERP_POS,
+ vs_outputs->psize);
}
/* Colors. */
- for (i = 0; i < cols; i++) {
- if (r300->draw) {
- draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_LINEAR,
- draw_find_vs_output(r300->draw, TGSI_SEMANTIC_COLOR, i));
+ 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]);
}
- vinfo->hwfmt[1] |= R300_INPUT_CNTL_COLOR;
- vinfo->hwfmt[2] |= (R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << i);
}
- /* Init i right here, increment it if fog is enabled.
- * This gets around a double-increment problem. */
- i = 0;
+ /* XXX Back-face colors. */
- /* Fog. This is a special-cased texcoord. */
- if (fog) {
- i++;
- if (r300->draw) {
- draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE,
- draw_find_vs_output(r300->draw, TGSI_SEMANTIC_FOG, 0));
+ /* 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++;
}
- vinfo->hwfmt[1] |= (R300_INPUT_CNTL_TC0 << i);
- vinfo->hwfmt[3] |= (4 << (3 * i));
}
- /* Texcoords. */
- for (; i < texs; i++) {
- if (r300->draw) {
- 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));
+ /* Fog coordinates. */
+ if (vs_outputs->fog != ATTR_UNUSED) {
+ r300_draw_emit_attrib(r300, EMIT_4F, INTERP_PERSPECTIVE,
+ vs_outputs->fog);
+ gen_count++;
}
- draw_compute_vertex_size(vinfo);
+ assert(gen_count <= 8);
}
-/* Update the PSC tables. */
-static void r300_vertex_psc(struct r300_context* r300,
- struct r300_vertex_info* 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 vertex_info* vinfo = &vformat->vinfo;
- int* tab = vformat->vs_tab;
+ struct r300_vertex_stream_state *vstream = r300->vertex_stream_state.state;
+ struct r300_vertex_shader* vs = r300->vs_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;
- /* 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]);
- }
- }
+ /* XXX hax */
+ memset(vstream, 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]);
+
/* 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! */
/* 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;
+ vstream->vap_prog_stream_cntl[i >> 1] |= type << 16;
+ vstream->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;
+ vstream->vap_prog_stream_cntl[i >> 1] |= type;
+ vstream->vap_prog_stream_cntl_ext[i >> 1] |= swizzle;
}
}
if (i) {
i -= 1;
}
- vformat->vap_prog_stream_cntl[i >> 1] |=
+ vstream->vap_prog_stream_cntl[i >> 1] |=
(R300_LAST_VEC << (i & 1 ? 16 : 0));
+
+ vstream->count = (i >> 1) + 1;
+ r300->vertex_stream_state.dirty = TRUE;
+ r300->vertex_stream_state.size = (1 + vstream->count) * 2;
}
-/* Set up the mappings from GB to US, for RS block. */
-static void r300_update_fs_tab(struct r300_context* r300,
- struct r300_vertex_info* vformat)
+static void r300_rs_col(struct r300_rs_block* rs, int id, int ptr,
+ boolean swizzle_0001)
{
- struct tgsi_shader_info* info = &r300->fs->info;
- int i, cols = 0, texs = 0, cols_emitted = 0;
- int* tab = vformat->fs_tab;
+ 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);
+}
- for (i = 0; i < 16; i++) {
- tab[i] = -1;
+static void r300_rs_col_write(struct r300_rs_block* rs, int id, int fp_offset)
+{
+ rs->inst[id] |= R300_RS_INST_COL_CN_WRITE |
+ R300_RS_INST_COL_ADDR(fp_offset);
+}
+
+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;
-
- 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;
- }
- }
+ struct r300_rs_block rs = { { 0 } };
+ int i, col_count = 0, tex_count = 0, fp_offset = 0, count;
+ 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->caps.is_r500) {
+ 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 ||
+ vs_outputs->color[1] != ATTR_UNUSED) {
+ /* 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++;
+ }
}
+ }
+
+ /* 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);
- 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);
+ /* 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);
+ count = MAX3(col_count, tex_count, 1);
+ rs.inst_count = count - 1;
+
+ /* Now, after all that, see if we actually need to update the state. */
+ if (memcmp(r300->rs_block_state.state, &rs, sizeof(struct r300_rs_block))) {
+ memcpy(r300->rs_block_state.state, &rs, sizeof(struct r300_rs_block));
+ r300->rs_block_state.size = 5 + count*2;
+ }
}
-/* Update the vertex format. */
+/* Update the shader-dependant states. */
static void r300_update_derived_shader_state(struct r300_context* r300)
{
- struct r300_screen* r300screen = r300_screen(r300->context.screen);
- struct r300_vertex_info* vformat;
- struct r300_rs_block* rs_block;
- int i;
-
- /*
- 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;
-
- value = (struct r300_shader_derived_value*)
- util_hash_table_get(r300->shader_hash_table, (void*)key);
- if (value) {
- //vformat = value->vformat;
- rs_block = value->rs_block;
-
- FREE(key);
- } else {
- rs_block = CALLOC_STRUCT(r300_rs_block);
- value = CALLOC_STRUCT(r300_shader_derived_value);
-
- r300_update_rs_block(r300, rs_block);
-
- //value->vformat = vformat;
- value->rs_block = rs_block;
- util_hash_table_set(r300->shader_hash_table,
- (void*)key, (void*)value);
- } */
-
- /* XXX This will be refactored ASAP. */
- vformat = CALLOC_STRUCT(r300_vertex_info);
- rs_block = CALLOC_STRUCT(r300_rs_block);
+ struct r300_vertex_shader* vs = r300->vs_state.state;
- 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);
- r300_update_fs_tab(r300, vformat);
+ r300_update_rs_block(r300, &vs->outputs, &r300->fs->inputs);
+}
- 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.
*
* 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;
+}
+
+static void r300_merge_textures_and_samplers(struct r300_context* r300)
+{
+ struct r300_textures_state *state =
+ (struct r300_textures_state*)r300->textures_state.state;
+ struct r300_texture_sampler_state *texstate;
+ struct r300_sampler_state *sampler;
+ struct pipe_sampler_view *view;
+ struct r300_texture *tex;
+ unsigned min_level, max_level, i, size;
+ unsigned count = MIN2(state->texture_count, state->sampler_count);
+
+ state->tx_enable = 0;
+ state->count = 0;
+ size = 2;
+
+ for (i = 0; i < count; i++) {
+ if (state->fragment_sampler_views[i] && state->sampler_states[i]) {
+ state->tx_enable |= 1 << i;
+
+ view = state->fragment_sampler_views[i];
+ tex = r300_texture(view->texture);
+ sampler = state->sampler_states[i];
+
+ assert(view->format == tex->b.b.format);
+
+ texstate = &state->regs[i];
+ memcpy(texstate->format, &tex->state, sizeof(uint32_t)*3);
+ texstate->filter[0] = sampler->filter0;
+ texstate->filter[1] = sampler->filter1;
+ texstate->border_color = sampler->border_color;
+ texstate->tile_config = R300_TXO_MACRO_TILE(tex->macrotile) |
+ R300_TXO_MICRO_TILE(tex->microtile);
+
+ /* to emulate 1D textures through 2D ones correctly */
+ if (tex->b.b.target == PIPE_TEXTURE_1D) {
+ texstate->filter[0] &= ~R300_TX_WRAP_T_MASK;
+ texstate->filter[0] |= R300_TX_WRAP_T(R300_TX_CLAMP_TO_EDGE);
+ }
+
+ if (tex->uses_pitch) {
+ /* NPOT textures don't support mip filter, unfortunately.
+ * This prevents incorrect rendering. */
+ texstate->filter[0] &= ~R300_TX_MIN_FILTER_MIP_MASK;
+ } else {
+ /* determine min/max levels */
+ /* the MAX_MIP level is the largest (finest) one */
+ max_level = MIN3(sampler->max_lod + view->first_level,
+ tex->b.b.last_level, view->last_level);
+ min_level = MIN2(sampler->min_lod + view->first_level,
+ max_level);
+ texstate->format[0] |= R300_TX_NUM_LEVELS(max_level);
+ texstate->filter[0] |= R300_TX_MAX_MIP_LEVEL(min_level);
+ }
+
+ texstate->filter[0] |= i << 28;
+
+ size += 16;
+ state->count = i+1;
+ }
}
+
+ r300->textures_state.size = size;
}
void r300_update_derived_state(struct r300_context* r300)
{
- /* XXX */
- if (TRUE || r300->dirty_state &
- (R300_NEW_FRAGMENT_SHADER | R300_NEW_VERTEX_SHADER)) {
+ if (r300->rs_block_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);
+ if (r300->textures_state.dirty) {
+ r300_merge_textures_and_samplers(r300);
}
+
+ if (r300->draw) {
+ 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);
+ }
+
+ r300_update_ztop(r300);
}
projects / mesa.git / blobdiff