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glsl: Add GLSL_TYPE_INTERFACE

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Interfaces are structurally identical to structures from the compiler's
point of view.  They have some additional restrictions, and generally
GPUs use different instructions to access them.  Using a different base
type should make this a bit easier.

This commit also adds the glsl_type::interface_packing fields.  For
GLSL_TYPE_INTERFACE types, this will track the specified packing mode.
It is analogous to gl_uniform_buffer::_Packing.

v2: Add serveral missing GLSL_TYPE_INTERFACE cases in switch-statements.

v3: Add information about glsl_type::interface_packing.  Move row_major
checking in glsl_type::record_key_compare from this patch to the
previous patch.  Both suggested by Paul Berry.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Paul Berry <stereotype441@gmail.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Ian Romanick 2012-12-11 12:11:16 -08:00
parent 7f96a8471e
commit 491364e1f3
11 changed files with 109 additions and 9 deletions
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3
src/glsl/tests/uniform_initializer_utils.cpp
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@ -96,6 +96,7 @@ generate_data_element(void *mem_ctx, const glsl_type *type,
case GLSL_TYPE_ARRAY:
case GLSL_TYPE_VOID:
case GLSL_TYPE_ERROR:
case GLSL_TYPE_INTERFACE:
ASSERT_TRUE(false);
break;
}
@ -122,6 +123,7 @@ generate_data_element(void *mem_ctx, const glsl_type *type,
case GLSL_TYPE_ARRAY:
case GLSL_TYPE_VOID:
case GLSL_TYPE_ERROR:
case GLSL_TYPE_INTERFACE:
ASSERT_TRUE(false);
break;
}
@ -219,6 +221,7 @@ verify_data(gl_constant_value *storage, unsigned storage_array_size,
case GLSL_TYPE_ARRAY:
case GLSL_TYPE_VOID:
case GLSL_TYPE_ERROR:
case GLSL_TYPE_INTERFACE:
ASSERT_TRUE(false);
break;
}