Mesa (master): r300-gallium: Add vertex shader constant emit.

[Corbin Simpson]

Module: Mesa
Branch: master
Commit: b3639d43f2085c893bb6136c8febe5bc7944869e
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b3639d43f2085c893bb6136c8febe5bc7944869e

Author: Corbin Simpson <MostAwesomeDude at gmail.com>
Date:   Tue Apr  7 02:04:07 2009 -0700

r300-gallium: Add vertex shader constant emit.

---

 src/gallium/drivers/r300/r300_emit.c      |   19 +++++++++++++++++--
 src/gallium/drivers/r300/r300_state_tcl.c |    2 ++
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c
index f284041..a3d8337 100644
--- a/src/gallium/drivers/r300/r300_emit.c
+++ b/src/gallium/drivers/r300/r300_emit.c
@@ -330,6 +330,8 @@ void r300_emit_vertex_shader(struct r300_context* r300,
 {
     int i;
     struct r300_screen* r300screen = r300_screen(r300->context.screen);
+    struct r300_constant_buffer* constants =
+        &r300->shader_constants[PIPE_SHADER_VERTEX];
     CS_LOCALS(r300);
 
     if (!r300screen->caps->has_tcl) {
@@ -338,8 +340,7 @@ void r300_emit_vertex_shader(struct r300_context* r300,
         return;
     }
 
-    BEGIN_CS(13 + (vs->instruction_count * 4));
-    OUT_CS_REG(R300_VAP_PVS_STATE_FLUSH_REG, 0x0);
+    BEGIN_CS(13 + (vs->instruction_count * 4) + (constants->count * 4));
 
     OUT_CS_REG(R300_VAP_PVS_CODE_CNTL_0, R300_PVS_FIRST_INST(0) |
             R300_PVS_LAST_INST(vs->instruction_count - 1));
@@ -357,10 +358,24 @@ void r300_emit_vertex_shader(struct r300_context* r300,
         OUT_CS(vs->instructions[i].inst3);
     }
 
+    if (constants->count) {
+        OUT_CS_REG(R300_VAP_PVS_VECTOR_INDX_REG,
+                (r300screen->caps->is_r500 ?
+                 R500_PVS_CONST_START : R300_PVS_CONST_START));
+        OUT_CS_ONE_REG(R300_VAP_PVS_UPLOAD_DATA, constants->count * 4);
+        for (i = 0; i < constants->count; i++) {
+            OUT_CS_32F(constants->constants[i][0]);
+            OUT_CS_32F(constants->constants[i][1]);
+            OUT_CS_32F(constants->constants[i][2]);
+            OUT_CS_32F(constants->constants[i][3]);
+        }
+    }
+
     OUT_CS_REG(R300_VAP_CNTL, R300_PVS_NUM_SLOTS(10) |
             R300_PVS_NUM_CNTLRS(5) |
             R300_PVS_NUM_FPUS(r300screen->caps->num_vert_fpus) |
             R300_PVS_VF_MAX_VTX_NUM(12));
+    OUT_CS_REG(R300_VAP_PVS_STATE_FLUSH_REG, 0x0);
     END_CS;
 
 }
diff --git a/src/gallium/drivers/r300/r300_state_tcl.c b/src/gallium/drivers/r300/r300_state_tcl.c
index 44365f5..47d6c6d 100644
--- a/src/gallium/drivers/r300/r300_state_tcl.c
+++ b/src/gallium/drivers/r300/r300_state_tcl.c
@@ -71,6 +71,8 @@ static INLINE unsigned r300_vs_src_type(struct r300_vs_asm* assembler,
         case TGSI_FILE_TEMPORARY:
             return R300_PVS_SRC_REG_TEMPORARY;
             break;
+        case TGSI_FILE_CONSTANT:
+            return R300_PVS_SRC_REG_CONSTANT;
         default:
             debug_printf("r300: vs: Unimplemented src type %d\n", src->File);
             break;