[Mesa-dev] [PATCH] tgsi/scan: remember sampler view types

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

---
 src/gallium/auxiliary/tgsi/tgsi_scan.c | 4 ++++
 src/gallium/auxiliary/tgsi/tgsi_scan.h | 1 +
 2 files changed, 5 insertions(+)

diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c b/src/gallium/auxiliary/tgsi/tgsi_scan.c
index 0167e22..a3b0d9f 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c
@@ -490,27 +490,31 @@ scan_declaration(struct tgsi_shader_info *info,
          if (procType == PIPE_SHADER_VERTEX) {
             if (semName == TGSI_SEMANTIC_EDGEFLAG) {
                info->writes_edgeflag = TRUE;
             }
          }
       } else if (file == TGSI_FILE_SAMPLER) {
          STATIC_ASSERT(sizeof(info->samplers_declared) * 8 >= PIPE_MAX_SAMPLERS);
          info->samplers_declared |= 1u << reg;
       } else if (file == TGSI_FILE_SAMPLER_VIEW) {
          unsigned target = fulldecl->SamplerView.Resource;
+         unsigned type = fulldecl->SamplerView.ReturnTypeX;
+
          assert(target < TGSI_TEXTURE_UNKNOWN);
          if (info->sampler_targets[reg] == TGSI_TEXTURE_UNKNOWN) {
             /* Save sampler target for this sampler index */
             info->sampler_targets[reg] = target;
+            info->sampler_type[reg] = type;
          } else {
             /* if previously declared, make sure targets agree */
             assert(info->sampler_targets[reg] == target);
+            assert(info->sampler_type[reg] == type);
          }
       } else if (file == TGSI_FILE_IMAGE) {
          if (fulldecl->Image.Resource == TGSI_TEXTURE_BUFFER)
             info->images_buffers |= 1 << reg;
       }
    }
 }
 
 
 static void
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.h b/src/gallium/auxiliary/tgsi/tgsi_scan.h
index 30d0146..0c5f2ba 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.h
@@ -59,20 +59,21 @@ struct tgsi_shader_info
    ubyte system_value_semantic_name[PIPE_MAX_SHADER_INPUTS];
 
    ubyte processor;
 
    uint file_mask[TGSI_FILE_COUNT];  /**< bitmask of declared registers */
    uint file_count[TGSI_FILE_COUNT];  /**< number of declared registers */
    int file_max[TGSI_FILE_COUNT];  /**< highest index of declared registers */
    int const_file_max[PIPE_MAX_CONSTANT_BUFFERS];
    unsigned samplers_declared; /**< bitmask of declared samplers */
    ubyte sampler_targets[PIPE_MAX_SHADER_SAMPLER_VIEWS];  /**< TGSI_TEXTURE_x values */
+   ubyte sampler_type[PIPE_MAX_SHADER_SAMPLER_VIEWS]; /**< TGSI_RETURN_TYPE_x */
 
    ubyte input_array_first[PIPE_MAX_SHADER_INPUTS];
    ubyte input_array_last[PIPE_MAX_SHADER_INPUTS];
    ubyte output_array_first[PIPE_MAX_SHADER_OUTPUTS];
    ubyte output_array_last[PIPE_MAX_SHADER_OUTPUTS];
    unsigned array_max[TGSI_FILE_COUNT];  /**< highest index array per register file */
 
    uint immediate_count; /**< number of immediates declared */
    uint num_instructions;
    uint num_memory_instructions; /**< sampler, buffer, and image instructions */
-- 
2.7.4