[Mesa-dev] [PATCH 76/78] i965/vec4: Change vec4_visitor::gather_channel() method to allow reuse
Eduardo Lima Mitev
elima at igalia.com
Fri Jun 26 01:07:32 PDT 2015
This patch changes the signature of gather_channel() to accept the gather
component directly instead of fetching it internally from ir_texture.
This will allow reuse in the upcoming NIR->vec4 pass.
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 | 9 +++++----
2 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_vec4.h b/src/mesa/drivers/dri/i965/brw_vec4.h
index 9139c40..15474ec 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4.h
+++ b/src/mesa/drivers/dri/i965/brw_vec4.h
@@ -332,7 +332,7 @@ public:
void emit_pack_unorm_4x8(const dst_reg &dst, const src_reg &src0);
void emit_pack_snorm_4x8(const dst_reg &dst, const src_reg &src0);
- uint32_t gather_channel(ir_texture *ir, uint32_t sampler);
+ uint32_t gather_channel(unsigned gather_component, uint32_t sampler);
src_reg emit_mcs_fetch(const glsl_type *coordinate_type, src_reg coordinate,
src_reg sampler);
void emit_gen6_gather_wa(uint8_t wa, dst_reg dst);
diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
index f7050fd..ce99ed7 100644
--- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp
@@ -2676,7 +2676,9 @@ vec4_visitor::visit(ir_texture *ir)
/* Stuff the channel select bits in the top of the texture offset */
if (ir->op == ir_tg4)
- inst->offset |= gather_channel(ir, sampler) << 16;
+ inst->offset |=
+ gather_channel( ir->lod_info.component->as_constant()->value.i[0],
+ sampler) << 16;
/* The message header is necessary for:
* - Gen4 (always)
@@ -2848,10 +2850,9 @@ vec4_visitor::emit_gen6_gather_wa(uint8_t wa, dst_reg dst)
* Set up the gather channel based on the swizzle, for gather4.
*/
uint32_t
-vec4_visitor::gather_channel(ir_texture *ir, uint32_t sampler)
+vec4_visitor::gather_channel(unsigned gather_component, uint32_t sampler)
{
- ir_constant *chan = ir->lod_info.component->as_constant();
- int swiz = GET_SWZ(key->tex.swizzles[sampler], chan->value.i[0]);
+ int swiz = GET_SWZ(key->tex.swizzles[sampler], gather_component);
switch (swiz) {
case SWIZZLE_X: return 0;
case SWIZZLE_Y:
--
2.1.4
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