Mesa (master): i965: Don't do vector splitting for ir_var_system_value
Anuj Phogat
aphogat at kemper.freedesktop.org
Sat Nov 2 00:06:23 UTC 2013
Module: Mesa
Branch: master
Commit: 81f5fb352a5a19ad79e385d9c444db4acdce621c
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=81f5fb352a5a19ad79e385d9c444db4acdce621c
Author: Anuj Phogat <anuj.phogat at gmail.com>
Date: Tue Oct 22 12:00:11 2013 -0700
i965: Don't do vector splitting for ir_var_system_value
This is required while adding builtin system value vec{2, 3, 4}
variables. For example:
(declare (sys) vec2 gl_SamplePosition)
Without this patch above glsl ir splits in to:
(declare (temporary) float gl_SamplePosition_x)
(declare (temporary) float gl_SamplePosition_y)
Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
Reviewed-by: Eric Anholt <eric at anholt.net>
---
.../drivers/dri/i965/brw_fs_vector_splitting.cpp | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp b/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp
index eb7851b..6284b59 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_vector_splitting.cpp
@@ -111,6 +111,7 @@ ir_vector_reference_visitor::get_variable_entry(ir_variable *var)
case ir_var_uniform:
case ir_var_shader_in:
case ir_var_shader_out:
+ case ir_var_system_value:
case ir_var_function_in:
case ir_var_function_out:
case ir_var_function_inout:
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