swr: [rasterizer] attribute swizzling and linkage

Add support for enhanced attribute swizzling. Currently supports constant
source overrides to handle PrimitiveID support. No support yet for input
select swizzling or wrap shortest. Removes obsoleted linkageMask and
associated code.

Signed-off-by: Tim Rowley <[email protected]>

1 files changed, 0 insertions, 12 deletions

diff --git a/src/gallium/drivers/swr/swr_shader.cpp b/src/gallium/drivers/swr/swr_shader.cpp
index 4d1b604817b..ecb4545d13b 100644
--- a/src/gallium/drivers/swr/swr_shader.cpp
+++ b/src/gallium/drivers/swr/swr_shader.cpp
@@ -157,18 +157,6 @@ BuilderSWR::CompileVS(struct swr_context *ctx, swr_jit_vs_key &key)
 {
    struct swr_vertex_shader *swr_vs = ctx->vs;
 
-   swr_vs->linkageMask = 0;
-
-   for (unsigned i = 0; i < swr_vs->info.base.num_outputs; i++) {
-      switch (swr_vs->info.base.output_semantic_name[i]) {
-      case TGSI_SEMANTIC_POSITION:
-         break;
-      default:
-         swr_vs->linkageMask |= (1 << i);
-         break;
-      }
-   }
-
    LLVMValueRef inputs[PIPE_MAX_SHADER_INPUTS][TGSI_NUM_CHANNELS];
    LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][TGSI_NUM_CHANNELS];