[Mesa-dev] [PATCH] radeonsi: remove sampler writemask

[Christian König]

From: Christian König <christian.koenig at amd.com>

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 src/gallium/drivers/radeonsi/radeonsi_shader.c |   17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/radeonsi_shader.c b/src/gallium/drivers/radeonsi/radeonsi_shader.c
index 5fdf46e..b358e59 100644
--- a/src/gallium/drivers/radeonsi/radeonsi_shader.c
+++ b/src/gallium/drivers/radeonsi/radeonsi_shader.c
@@ -795,10 +795,6 @@ static void tex_fetch_args(
 	unsigned count = 0;
 	unsigned chan;
 
-	/* WriteMask */
-	/* XXX: should be optimized using emit_data->inst->Dst[0].Register.WriteMask*/
-	emit_data->args[0] = lp_build_const_int32(bld_base->base.gallivm, 0xf);
-
 	/* Fetch and project texture coordinates */
 	coords[3] = lp_build_emit_fetch(bld_base, emit_data->inst, 0, TGSI_CHAN_W);
 	for (chan = 0; chan < 3; chan++ ) {
@@ -904,20 +900,19 @@ static void tex_fetch_args(
 	while (count < util_next_power_of_two(count))
 		address[count++] = LLVMGetUndef(LLVMInt32TypeInContext(gallivm->context));
 
-	emit_data->args[1] = lp_build_gather_values(gallivm, address, count);
+	emit_data->args[0] = lp_build_gather_values(gallivm, address, count);
 
 	/* Resource */
-	emit_data->args[2] = si_shader_ctx->resources[emit_data->inst->Src[1].Register.Index];
+	emit_data->args[1] = si_shader_ctx->resources[emit_data->inst->Src[1].Register.Index];
 
 	/* Sampler */
-	emit_data->args[3] = si_shader_ctx->samplers[emit_data->inst->Src[1].Register.Index];
+	emit_data->args[2] = si_shader_ctx->samplers[emit_data->inst->Src[1].Register.Index];
 
 	/* Dimensions */
-	emit_data->args[4] = lp_build_const_int32(bld_base->base.gallivm, target);
+	emit_data->args[3] = lp_build_const_int32(bld_base->base.gallivm, target);
+
+	emit_data->arg_count = 4;
 
-	emit_data->arg_count = 5;
-	/* XXX: To optimize, we could use a float or v2f32, if the last bits of
-	 * the writemask are clear */
 	emit_data->dst_type = LLVMVectorType(
 			LLVMFloatTypeInContext(bld_base->base.gallivm->context),
 			4);
-- 
1.7.9.5