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authorMarek Olšák <maraeo@gmail.com>2009-11-26 19:37:58 +0100
committerCorbin Simpson <MostAwesomeDude@gmail.com>2009-12-01 01:20:26 -0800
commitcb90235135ef7c657053657f3bdfbda7ca70d708 (patch)
treea4e802bdecfb06fe8a742d77a3779276a7b6937f /src/gallium/drivers/r300/r300_vs.c
parent6f05eba0204a9f1371bb1ae5cdb0f71bb819eb28 (diff)
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r300g: clean up derived states
The state setups which aren't derived anymore have been moved to the VS and FS objects.
Diffstat (limited to 'src/gallium/drivers/r300/r300_vs.c')
-rw-r--r--src/gallium/drivers/r300/r300_vs.c182
1 files changed, 179 insertions, 3 deletions
diff --git a/src/gallium/drivers/r300/r300_vs.c b/src/gallium/drivers/r300/r300_vs.c
index 74ef416d..49bff3e 100644
--- a/src/gallium/drivers/r300/r300_vs.c
+++ b/src/gallium/drivers/r300/r300_vs.c
@@ -1,5 +1,6 @@
/*
* Copyright 2009 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"),
@@ -23,13 +24,181 @@
#include "r300_vs.h"
#include "r300_context.h"
+#include "r300_screen.h"
#include "r300_tgsi_to_rc.h"
+#include "r300_reg.h"
#include "tgsi/tgsi_dump.h"
#include "tgsi/tgsi_parse.h"
#include "radeon_compiler.h"
+/* Convert info about VS output semantics into r300_shader_semantics. */
+static void r300_shader_read_vs_outputs(
+ struct tgsi_shader_info* info,
+ struct r300_shader_semantics* vs_outputs)
+{
+ int i;
+ unsigned index;
+
+ r300_shader_semantics_reset(vs_outputs);
+
+ for (i = 0; i < info->num_outputs; i++) {
+ index = info->output_semantic_index[i];
+
+ switch (info->output_semantic_name[i]) {
+ case TGSI_SEMANTIC_POSITION:
+ assert(index == 0);
+ vs_outputs->pos = i;
+ break;
+
+ case TGSI_SEMANTIC_PSIZE:
+ assert(index == 0);
+ vs_outputs->psize = i;
+ break;
+
+ case TGSI_SEMANTIC_COLOR:
+ assert(index <= ATTR_COLOR_COUNT);
+ vs_outputs->color[index] = i;
+ break;
+
+ case TGSI_SEMANTIC_BCOLOR:
+ assert(index <= ATTR_COLOR_COUNT);
+ vs_outputs->bcolor[index] = i;
+ break;
+
+ case TGSI_SEMANTIC_GENERIC:
+ assert(index <= ATTR_GENERIC_COUNT);
+ vs_outputs->generic[index] = i;
+ break;
+
+ case TGSI_SEMANTIC_FOG:
+ assert(index == 0);
+ vs_outputs->fog = i;
+ break;
+
+ default:
+ assert(0);
+ }
+ }
+}
+
+static void r300_shader_vap_output_fmt(
+ struct r300_shader_semantics* vs_outputs,
+ uint* hwfmt)
+{
+ int i, gen_count;
+
+ /* 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 */
+
+ hwfmt[0] = 0x5555; /* XXX this is classic Mesa bonghits */
+
+ /* Position. */
+ if (vs_outputs->pos != ATTR_UNUSED) {
+ hwfmt[1] |= R300_INPUT_CNTL_POS;
+ hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__POS_PRESENT;
+ } else {
+ assert(0);
+ }
+
+ /* Point size. */
+ if (vs_outputs->psize != ATTR_UNUSED) {
+ hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__PT_SIZE_PRESENT;
+ }
+
+ /* Colors. */
+ for (i = 0; i < ATTR_COLOR_COUNT; i++) {
+ if (vs_outputs->color[i] != ATTR_UNUSED) {
+ hwfmt[1] |= R300_INPUT_CNTL_COLOR;
+ hwfmt[2] |= R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << i;
+ }
+ }
+
+ /* XXX Back-face colors. */
+
+ /* Texture coordinates. */
+ gen_count = 0;
+ for (i = 0; i < ATTR_GENERIC_COUNT; i++) {
+ if (vs_outputs->generic[i] != ATTR_UNUSED) {
+ hwfmt[1] |= (R300_INPUT_CNTL_TC0 << gen_count);
+ hwfmt[3] |= (4 << (3 * gen_count));
+ gen_count++;
+ }
+ }
+
+ /* Fog coordinates. */
+ if (vs_outputs->fog != ATTR_UNUSED) {
+ hwfmt[1] |= (R300_INPUT_CNTL_TC0 << gen_count);
+ hwfmt[3] |= (4 << (3 * gen_count));
+ gen_count++;
+ }
+
+ /* XXX magic */
+ assert(gen_count <= 8);
+}
+
+/* Set VS output stream locations for SWTCL. */
+static void r300_stream_locations_swtcl(
+ struct r300_shader_semantics* vs_outputs,
+ int* output_stream_loc)
+{
+ int i, tabi = 0, gen_count;
+
+ /* XXX Check whether the numbers (0, 1, 2+i, etc.) are correct.
+ * These should go to VAP_PROG_STREAM_CNTL/DST_VEC_LOC. */
+
+ /* Position. */
+ output_stream_loc[tabi++] = 0;
+
+ /* Point size. */
+ if (vs_outputs->psize != ATTR_UNUSED) {
+ output_stream_loc[tabi++] = 1;
+ }
+
+ /* Colors. */
+ for (i = 0; i < ATTR_COLOR_COUNT; i++) {
+ if (vs_outputs->color[i] != ATTR_UNUSED) {
+ output_stream_loc[tabi++] = 2 + i;
+ }
+ }
+
+ /* Back-face colors. */
+ for (i = 0; i < ATTR_COLOR_COUNT; i++) {
+ if (vs_outputs->bcolor[i] != ATTR_UNUSED) {
+ output_stream_loc[tabi++] = 4 + i;
+ }
+ }
+
+ /* Texture coordinates. */
+ gen_count = 0;
+ for (i = 0; i < ATTR_GENERIC_COUNT; i++) {
+ if (vs_outputs->bcolor[i] != ATTR_UNUSED) {
+ assert(tabi < 16);
+ output_stream_loc[tabi++] = 6 + gen_count;
+ gen_count++;
+ }
+ }
+
+ /* Fog coordinates. */
+ if (vs_outputs->fog != ATTR_UNUSED) {
+ assert(tabi < 16);
+ output_stream_loc[tabi++] = 6 + gen_count;
+ gen_count++;
+ }
+
+ /* XXX magic */
+ assert(gen_count <= 8);
+
+ for (; tabi < 16;) {
+ output_stream_loc[tabi++] = -1;
+ }
+}
static void set_vertex_inputs_outputs(struct r300_vertex_program_compiler * c)
{
@@ -99,20 +268,27 @@ static void set_vertex_inputs_outputs(struct r300_vertex_program_compiler * c)
default:
debug_printf("r300: vs: Bad semantic declaration %d\n",
decl->Semantic.SemanticName);
- break;
+ assert(0);
}
}
tgsi_parse_free(&parser);
}
-
void r300_translate_vertex_shader(struct r300_context* r300,
struct r300_vertex_shader* vs)
{
struct r300_vertex_program_compiler compiler;
struct tgsi_to_rc ttr;
+ /* Initialize. */
+ r300_shader_read_vs_outputs(&vs->info, &vs->outputs);
+ r300_shader_vap_output_fmt(&vs->outputs, vs->hwfmt);
+
+ if (!r300_screen(r300->context.screen)->caps->has_tcl) {
+ r300_stream_locations_swtcl(&vs->outputs, vs->output_stream_loc_swtcl);
+ }
+
/* Setup the compiler */
rc_init(&compiler.Base);
@@ -137,7 +313,7 @@ void r300_translate_vertex_shader(struct r300_context* r300,
/* Invoke the compiler */
r3xx_compile_vertex_program(&compiler);
if (compiler.Base.Error) {
- /* Todo: Fail gracefully */
+ /* XXX Fail gracefully */
fprintf(stderr, "r300 VP: Compiler error\n");
abort();
}