Module: Mesa
Branch: master
Commit: 1881b35bf6a13905ccbf8b232921677c888eda35
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=1881b35bf6a13905ccbf8b232921677c888eda35

Author: Marek Olšák <[email protected]>
Date:   Fri Sep 13 23:58:52 2019 -0400

radeonsi: set the sample index for shader images correctly

Acked-by: Pierre-Eric Pelloux-Prayer <[email protected]>

---

 src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c 
b/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
index a0f66d38c7c..243286cc629 100644
--- a/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
+++ b/src/gallium/drivers/radeonsi/si_shader_tgsi_mem.c
@@ -276,18 +276,19 @@ static void image_fetch_coords(
        LLVMValueRef tmp;
        int chan;
 
-       if (target == TGSI_TEXTURE_2D_MSAA ||
-           target == TGSI_TEXTURE_2D_ARRAY_MSAA) {
-               /* Need the sample index as well. */
-               num_coords++;
-       }
-
        for (chan = 0; chan < num_coords; ++chan) {
                tmp = lp_build_emit_fetch(bld_base, inst, src, chan);
                tmp = ac_to_integer(&ctx->ac, tmp);
                coords[chan] = tmp;
        }
 
+       if (target == TGSI_TEXTURE_2D_MSAA ||
+           target == TGSI_TEXTURE_2D_ARRAY_MSAA) {
+               /* Need the sample index as well. */
+               tmp = lp_build_emit_fetch(bld_base, inst, src, TGSI_SWIZZLE_W);
+               coords[chan] = ac_to_integer(&ctx->ac, tmp);
+       }
+
        if (ctx->screen->info.chip_class == GFX9) {
                /* 1D textures are allocated and used as 2D on GFX9. */
                if (target == TGSI_TEXTURE_1D) {

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