Mesa (master): spirv/nir: Handle texture projectors
Jason Ekstrand
jekstrand at kemper.freedesktop.org
Fri Jul 22 23:33:09 UTC 2016
Module: Mesa
Branch: master
Commit: 71202352c8d9f87d7b6f06bece67771d7cf641a4
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=71202352c8d9f87d7b6f06bece67771d7cf641a4
Author: Jason Ekstrand <jason.ekstrand at intel.com>
Date: Thu Jul 21 12:01:46 2016 -0700
spirv/nir: Handle texture projectors
Signed-off-by: Jason Ekstrand <jason at jlekstrand.net>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
Cc: "12.0" <mesa-dev at lists.freedesktop.org>
---
src/compiler/spirv/spirv_to_nir.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/src/compiler/spirv/spirv_to_nir.c b/src/compiler/spirv/spirv_to_nir.c
index 6ebf951..27d2b42 100644
--- a/src/compiler/spirv/spirv_to_nir.c
+++ b/src/compiler/spirv/spirv_to_nir.c
@@ -1442,6 +1442,21 @@ vtn_handle_texture(struct vtn_builder *b, SpvOp opcode,
break;
}
+ switch (opcode) {
+ case SpvOpImageSampleProjImplicitLod:
+ case SpvOpImageSampleProjExplicitLod:
+ case SpvOpImageSampleProjDrefImplicitLod:
+ case SpvOpImageSampleProjDrefExplicitLod:
+ /* These have the projector as the last coordinate component */
+ p->src = nir_src_for_ssa(nir_channel(&b->nb, coord, coord_components));
+ p->src_type = nir_tex_src_projector;
+ p++;
+ break;
+
+ default:
+ break;
+ }
+
unsigned gather_component = 0;
switch (opcode) {
case SpvOpImageSampleDrefImplicitLod:
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