From 5ce0598a034179eaacff96f39eaebf0ba0f30d4c Mon Sep 17 00:00:00 2001
From: Marek Olšák <maraeo@gmail.com>
Date: Tue, 3 Apr 2012 22:37:30 +0200
Subject: r300g/swtcl: don't print an error when getting ClipVertex

Draw can do it just fine.
---
 src/gallium/drivers/r300/r300_state.c   |  4 ++--
 src/gallium/drivers/r300/r300_vs.c      | 16 +++++++++++++---
 src/gallium/drivers/r300/r300_vs.h      |  5 +++--
 src/gallium/drivers/r300/r300_vs_draw.c |  5 +++--
 4 files changed, 21 insertions(+), 9 deletions(-)

diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c
index 940443050ba..a623ff898a7 100644
--- a/src/gallium/drivers/r300/r300_state.c
+++ b/src/gallium/drivers/r300/r300_state.c
@@ -1759,10 +1759,10 @@ static void* r300_create_vs_state(struct pipe_context* pipe,
     vs->state.tokens = tgsi_dup_tokens(shader->tokens);
 
     if (r300->screen->caps.has_tcl) {
-        r300_init_vs_outputs(vs);
+        r300_init_vs_outputs(r300, vs);
         r300_translate_vertex_shader(r300, vs);
     } else {
-        r300_draw_init_vertex_shader(r300->draw, vs);
+        r300_draw_init_vertex_shader(r300, vs);
     }
 
     return vs;
diff --git a/src/gallium/drivers/r300/r300_vs.c b/src/gallium/drivers/r300/r300_vs.c
index 1eef071c87f..4faf2b58b0f 100644
--- a/src/gallium/drivers/r300/r300_vs.c
+++ b/src/gallium/drivers/r300/r300_vs.c
@@ -36,6 +36,7 @@
 
 /* Convert info about VS output semantics into r300_shader_semantics. */
 static void r300_shader_read_vs_outputs(
+    struct r300_context *r300,
     struct tgsi_shader_info* info,
     struct r300_shader_semantics* vs_outputs)
 {
@@ -83,6 +84,14 @@ static void r300_shader_read_vs_outputs(
                 fprintf(stderr, "r300 VP: cannot handle edgeflag output.\n");
                 break;
 
+            case TGSI_SEMANTIC_CLIPVERTEX:
+                assert(index == 0);
+                /* Draw does clip vertex for us. */
+                if (r300->screen->caps.has_tcl) {
+                    fprintf(stderr, "r300 VP: cannot handle clip vertex output.\n");
+                }
+                break;
+
             default:
                 fprintf(stderr, "r300 VP: unknown vertex output semantic: %i.\n",
                         info->output_semantic_name[i]);
@@ -160,10 +169,11 @@ static void set_vertex_inputs_outputs(struct r300_vertex_program_compiler * c)
     c->code->outputs[outputs->wpos] = reg++;
 }
 
-void r300_init_vs_outputs(struct r300_vertex_shader *vs)
+void r300_init_vs_outputs(struct r300_context *r300,
+                          struct r300_vertex_shader *vs)
 {
     tgsi_scan_shader(vs->state.tokens, &vs->info);
-    r300_shader_read_vs_outputs(&vs->info, &vs->outputs);
+    r300_shader_read_vs_outputs(r300, &vs->info, &vs->outputs);
 }
 
 static void r300_dummy_vertex_shader(
@@ -187,7 +197,7 @@ static void r300_dummy_vertex_shader(
     ureg_destroy(ureg);
 
     shader->dummy = TRUE;
-    r300_init_vs_outputs(shader);
+    r300_init_vs_outputs(r300, shader);
     r300_translate_vertex_shader(r300, shader);
 }
 
diff --git a/src/gallium/drivers/r300/r300_vs.h b/src/gallium/drivers/r300/r300_vs.h
index a482ddce9c9..b02d5d79731 100644
--- a/src/gallium/drivers/r300/r300_vs.h
+++ b/src/gallium/drivers/r300/r300_vs.h
@@ -56,12 +56,13 @@ struct r300_vertex_shader {
     void *draw_vs;
 };
 
-void r300_init_vs_outputs(struct r300_vertex_shader *vs);
+void r300_init_vs_outputs(struct r300_context *r300,
+                          struct r300_vertex_shader *vs);
 
 void r300_translate_vertex_shader(struct r300_context *r300,
                                   struct r300_vertex_shader *vs);
 
-void r300_draw_init_vertex_shader(struct draw_context *draw,
+void r300_draw_init_vertex_shader(struct r300_context *r300,
                                   struct r300_vertex_shader *vs);
 
 #endif /* R300_VS_H */
diff --git a/src/gallium/drivers/r300/r300_vs_draw.c b/src/gallium/drivers/r300/r300_vs_draw.c
index 2939963c355..ce85a0c843d 100644
--- a/src/gallium/drivers/r300/r300_vs_draw.c
+++ b/src/gallium/drivers/r300/r300_vs_draw.c
@@ -309,9 +309,10 @@ static void transform_inst(struct tgsi_transform_context *ctx,
     ctx->emit_instruction(ctx, inst);
 }
 
-void r300_draw_init_vertex_shader(struct draw_context *draw,
+void r300_draw_init_vertex_shader(struct r300_context *r300,
                                   struct r300_vertex_shader *vs)
 {
+    struct draw_context *draw = r300->draw;
     struct pipe_shader_state new_vs;
     struct vs_transform_context transform;
     const uint newLen = tgsi_num_tokens(vs->state.tokens) + 100 /* XXX */;
@@ -350,7 +351,7 @@ void r300_draw_init_vertex_shader(struct draw_context *draw,
     vs->state.tokens = new_vs.tokens;
 
     /* Init the VS output table for the rasterizer. */
-    r300_init_vs_outputs(vs);
+    r300_init_vs_outputs(r300, vs);
 
     /* Make the last generic be WPOS. */
     vs->outputs.wpos = vs->outputs.generic[transform.last_generic + 1];
-- 
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