r300g: clean up derived states

The state setups which aren't derived anymore have been moved to the VS
and FS objects.

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 74ef416dc14..49bff3e9316 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 <[email protected]>
+ * Copyright 2009 Marek Olšák <[email protected]>
  *
  * 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();
     }