Initial pass at vertex shader on SPU using TGSI VM

All of the code is wired in on the SPU side, but it is not called from
the PPU yet.  Instruction / declaration fetch still needs to be
implemented in spu_exec.c.

1 files changed, 28 insertions, 0 deletions

diff --git a/src/mesa/pipe/cell/spu/spu_main.c b/src/mesa/pipe/cell/spu/spu_main.c
index 6886f283be..9daa3ec735 100644
--- a/src/mesa/pipe/cell/spu/spu_main.c
+++ b/src/mesa/pipe/cell/spu/spu_main.c
@@ -36,6 +36,7 @@
 #include "spu_render.h"
 #include "spu_texture.h"
 #include "spu_tile.h"
+#include "spu_vertex_shader.h"
 #include "pipe/cell/common.h"
 #include "pipe/p_defines.h"
 
@@ -50,6 +51,7 @@ boolean Debug = FALSE;
 
 struct spu_global spu;
 
+struct spu_vs_context draw;
 
 /**
  * Tell the PPU that this SPU has finished copying a buffer to
@@ -264,6 +266,18 @@ cmd_state_vertex_info(const struct vertex_info *vinfo)
 }
 
 
+static void
+cmd_state_vs_array_info(const struct cell_array_info *vs_info)
+{
+   const unsigned attr = vs_info->attr;
+
+   ASSERT(attr < PIPE_ATTRIB_MAX);
+   draw.vertex_fetch.src_ptr[attr] = vs_info->base;
+   draw.vertex_fetch.pitch[attr] = vs_info->pitch;
+   draw.vertex_fetch.format[attr] = vs_info->format;
+   draw.vertex_fetch.dirty = 1;
+}
+
 
 static void
 cmd_finish(void)
@@ -374,6 +388,20 @@ cmd_batch(uint opcode)
          cmd_state_vertex_info((struct vertex_info *) &buffer[pos+1]);
          pos += (1 + sizeof(struct vertex_info) / 4);
          break;
+      case CELL_CMD_STATE_VIEWPORT:
+         (void) memcpy(& draw.viewport, &buffer[pos+1],
+                       sizeof(struct pipe_viewport_state));
+         pos += (1 + sizeof(struct pipe_viewport_state) / 4);
+         break;
+      case CELL_CMD_STATE_VS_ARRAY_INFO:
+         cmd_state_vs_array_info((struct cell_array_info *) &buffer[pos+1]);
+         pos += (1 + sizeof(struct cell_array_info) / 4);
+         break;
+      case CELL_CMD_VS_EXECUTE:
+         spu_execute_vertex_shader(&draw,
+                                   (struct cell_command_vs *) &buffer[pos+1]);
+         pos += (1 + sizeof(struct cell_command_vs) / 4);
+         break;
       default:
          printf("SPU %u: bad opcode: 0x%x\n", spu.init.id, buffer[pos]);
          ASSERT(0);