[Mesa-dev] [PATCH 03/78] i965/vec4: Move type_size() method to brw_vec4_visitor class

[Eduardo Lima Mitev]

The type_size() method is currently accessible only in the implementation of
vec4_visitor. Since we need to reuse it in the upcoming NIR->vec4 pass, lets make
it a method of the class instead.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=89580
---
 src/mesa/drivers/dri/i965/brw_vec4.h           |  2 ++
 src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp | 21 +++++++++++++++------
 2 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_vec4.h b/src/mesa/drivers/dri/i965/brw_vec4.h
index 68bc4ae..7f78e7f 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4.h
+++ b/src/mesa/drivers/dri/i965/brw_vec4.h
@@ -389,6 +389,8 @@ public:
 
    void visit_atomic_counter_intrinsic(ir_call *ir);
 
+   int type_size(const struct glsl_type *type);
+
    virtual bool should_use_vec4_nir();
 
    virtual void emit_nir_code();
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index 8d7a80b..ac2adbc 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -572,9 +572,18 @@ vec4_visitor::visit_instructions(const exec_list *list)
    }
 }
 
-
-static int
-type_size(const struct glsl_type *type)
+/**
+ * Returns the minimum number of vec4 elements needed to pack a type.
+ *
+ * For simple types, it will return 1 (a single vec4); for matrices, the
+ * number of columns; for array and struct, the sum of the vec4_size of
+ * each of its elements; and for sampler and atomic, zero.
+ *
+ * This method is useful to calculate how much register space is needed to
+ * store a particular type.
+ */
+int
+vec4_visitor::type_size(const struct glsl_type *type)
 {
    unsigned int i;
    int size;
@@ -626,7 +635,7 @@ src_reg::src_reg(class vec4_visitor *v, const struct glsl_type *type)
    init();
 
    this->file = GRF;
-   this->reg = v->alloc.allocate(type_size(type));
+   this->reg = v->alloc.allocate(v->type_size(type));
 
    if (type->is_array() || type->is_record()) {
       this->swizzle = BRW_SWIZZLE_NOOP;
@@ -644,7 +653,7 @@ src_reg::src_reg(class vec4_visitor *v, const struct glsl_type *type, int size)
    init();
 
    this->file = GRF;
-   this->reg = v->alloc.allocate(type_size(type) * size);
+   this->reg = v->alloc.allocate(v->type_size(type) * size);
 
    this->swizzle = BRW_SWIZZLE_NOOP;
 
@@ -656,7 +665,7 @@ dst_reg::dst_reg(class vec4_visitor *v, const struct glsl_type *type)
    init();
 
    this->file = GRF;
-   this->reg = v->alloc.allocate(type_size(type));
+   this->reg = v->alloc.allocate(v->type_size(type));
 
    if (type->is_array() || type->is_record()) {
       this->writemask = WRITEMASK_XYZW;
-- 
2.1.4