[Mesa-dev] [PATCH 13/17] i965/fs: fix integer textures with swizzles

Kenneth Graunke kenneth at whitecape.org
Mon Oct 13 21:54:43 PDT 2014


From: Connor Abbott <connor.abbott at intel.com>

This happened to work before, but it would convert the output to a float
and then back to an integer which seems bad.

Signed-off-by: Connor Abbott <connor.abbott at intel.com>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
---
 src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index 2251bae..c16de4d 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -2147,6 +2147,7 @@ fs_visitor::swizzle_result(ir_texture *ir, fs_reg orig_val, uint32_t sampler)
       assert(ir->sampler->type->sampler_shadow);
    } else if (tex->swizzles[sampler] != SWIZZLE_NOOP) {
       fs_reg swizzled_result = fs_reg(this, glsl_type::vec4_type);
+      swizzled_result.type = orig_val.type;
 
       for (int i = 0; i < 4; i++) {
 	 int swiz = GET_SWZ(tex->swizzles[sampler], i);
-- 
2.1.2



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