r600g: Add support for reading vertex fetches from bytestream

Signed-off-by: Tom Stellard <thomas.stellard@amd.com>

diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c
index e6cb3fa..07e36ba 100644 (file)
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -401,6 +401,38 @@ static unsigned r600_tex_from_byte_stream(struct r600_shader_ctx *ctx,
        return bytes_read;
 }
 
+static int r600_vtx_from_byte_stream(struct r600_shader_ctx *ctx,
+       unsigned char * bytes, unsigned bytes_read)
+{
+       struct r600_bytecode_vtx vtx;
+       memset(&vtx, 0, sizeof(vtx));
+       vtx.inst = bytes[bytes_read++];
+       vtx.fetch_type = bytes[bytes_read++];
+       vtx.buffer_id = bytes[bytes_read++];
+       vtx.src_gpr = bytes[bytes_read++];
+       vtx.src_sel_x = bytes[bytes_read++];
+       vtx.mega_fetch_count = bytes[bytes_read++];
+       vtx.dst_gpr = bytes[bytes_read++];
+       vtx.dst_sel_x = bytes[bytes_read++];
+       vtx.dst_sel_y = bytes[bytes_read++];
+       vtx.dst_sel_z = bytes[bytes_read++];
+       vtx.dst_sel_w = bytes[bytes_read++];
+       vtx.use_const_fields = bytes[bytes_read++];
+       vtx.data_format = bytes[bytes_read++];
+       vtx.num_format_all = bytes[bytes_read++];
+       vtx.format_comp_all = bytes[bytes_read++];
+       vtx.srf_mode_all = bytes[bytes_read++];
+       vtx.offset = bytes[bytes_read++];
+       vtx.endian = bytes[bytes_read++];
+
+       if (r600_bytecode_add_vtx(ctx->bc, &vtx)) {
+               fprintf(stderr, "Error adding vtx\n");
+       }
+       /* Use the Texture Cache */
+       ctx->bc->cf_last->inst = EG_V_SQ_CF_WORD1_SQ_CF_INST_TEX;
+       return bytes_read;
+}
+
 static void r600_bytecode_from_byte_stream(struct r600_shader_ctx *ctx,
                                unsigned char * bytes,  unsigned num_bytes)
 {
@@ -430,6 +462,11 @@ static void r600_bytecode_from_byte_stream(struct r600_shader_ctx *ctx,
                                }
                        }
                        break;
+
+               case 4:
+                       bytes_read = r600_vtx_from_byte_stream(ctx, bytes,
+                                                               bytes_read);
+                       break;
                default:
                        /* XXX: Error here */
                        break;