Mesa (master): zink: generically handle matrix types

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Module: Mesa
Branch: master
Commit: 9005c9cae40b93dee36a57cbf2a2917fd6902235
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9005c9cae40b93dee36a57cbf2a2917fd6902235

Author: Mike Blumenkrantz <michael.blumenkrantz at gmail.com>
Date:   Tue Jun 23 14:50:37 2020 -0400

zink: generically handle matrix types

there's a bunch of glsl 1.10 tests for this

Reviewed-by: Erik Faye-Lund <erik.faye-lund at collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6268>

---

 src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c  | 6 ++++++
 src/gallium/drivers/zink/nir_to_spirv/spirv_builder.c | 9 +++++++++
 src/gallium/drivers/zink/nir_to_spirv/spirv_builder.h | 4 ++++
 3 files changed, 19 insertions(+)

diff --git a/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c b/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
index bcbb208de11..97ea028c939 100644
--- a/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
+++ b/src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
@@ -285,6 +285,12 @@ get_glsl_type(struct ntv_context *ctx, const struct glsl_type *type)
       return ret;
    }
 
+   if (glsl_type_is_matrix(type))
+      return spirv_builder_type_matrix(&ctx->builder,
+                                       spirv_builder_type_vector(&ctx->builder,
+                                                                 get_glsl_basetype(ctx, glsl_get_base_type(type)),
+                                                                 glsl_get_vector_elements(type)),
+                                       glsl_get_matrix_columns(type));
 
    unreachable("we shouldn't get here, I think...");
 }
diff --git a/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.c b/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.c
index 1b7c676486a..3a522c4bb77 100644
--- a/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.c
+++ b/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.c
@@ -915,6 +915,15 @@ spirv_builder_type_vector(struct spirv_builder *b, SpvId component_type,
    return get_type_def(b, SpvOpTypeVector, args, ARRAY_SIZE(args));
 }
 
+SpvId
+spirv_builder_type_matrix(struct spirv_builder *b, SpvId component_type,
+                          unsigned component_count)
+{
+   assert(component_count > 1);
+   uint32_t args[] = { component_type, component_count };
+   return get_type_def(b, SpvOpTypeMatrix, args, ARRAY_SIZE(args));
+}
+
 SpvId
 spirv_builder_type_array(struct spirv_builder *b, SpvId component_type,
                          SpvId length)
diff --git a/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.h b/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.h
index a1e9b6c655e..487d4f79fda 100644
--- a/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.h
+++ b/src/gallium/drivers/zink/nir_to_spirv/spirv_builder.h
@@ -301,6 +301,10 @@ SpvId
 spirv_builder_type_vector(struct spirv_builder *b, SpvId component_type,
                           unsigned component_count);
 
+SpvId
+spirv_builder_type_matrix(struct spirv_builder *b, SpvId component_type,
+                          unsigned component_count);
+
 SpvId
 spirv_builder_type_array(struct spirv_builder *b, SpvId component_type,
                          SpvId length);