Mesa (staging/18.2): intel/batch_decoder: Print blend states properly

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Module: Mesa
Branch: staging/18.2
Commit: 633ef670bb36d6543611ae6ea3c06217cb998483
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=633ef670bb36d6543611ae6ea3c06217cb998483

Author: Jason Ekstrand <jason.ekstrand at intel.com>
Date:   Fri Aug 24 16:05:08 2018 -0500

intel/batch_decoder: Print blend states properly

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin at intel.com>
(cherry picked from commit 70de31d0c106f58d6b7e6d5b79b8d90c1c112a3b)

---

 src/intel/common/gen_batch_decoder.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/src/intel/common/gen_batch_decoder.c b/src/intel/common/gen_batch_decoder.c
index 9297dd4a69..f2510e21b4 100644
--- a/src/intel/common/gen_batch_decoder.c
+++ b/src/intel/common/gen_batch_decoder.c
@@ -642,7 +642,6 @@ decode_dynamic_state_pointers(struct gen_batch_decode_ctx *ctx,
                               int count)
 {
    struct gen_group *inst = gen_spec_find_instruction(ctx->spec, p);
-   struct gen_group *state = gen_spec_find_struct(ctx->spec, struct_type);
 
    uint32_t state_offset = 0;
 
@@ -664,6 +663,22 @@ decode_dynamic_state_pointers(struct gen_batch_decode_ctx *ctx,
       return;
    }
 
+   struct gen_group *state = gen_spec_find_struct(ctx->spec, struct_type);
+   if (strcmp(struct_type, "BLEND_STATE") == 0) {
+      /* Blend states are different from the others because they have a header
+       * struct called BLEND_STATE which is followed by a variable number of
+       * BLEND_STATE_ENTRY structs.
+       */
+      fprintf(ctx->fp, "%s\n", struct_type);
+      ctx_print_group(ctx, state, state_addr, state_map);
+
+      state_addr += state->dw_length * 4;
+      state_map += state->dw_length * 4;
+
+      struct_type = "BLEND_STATE_ENTRY";
+      state = gen_spec_find_struct(ctx->spec, struct_type);
+   }
+
    for (int i = 0; i < count; i++) {
       fprintf(ctx->fp, "%s %d\n", struct_type, i);
       ctx_print_group(ctx, state, state_addr, state_map);