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ac/nir: restrict fmask lookup to image load intrinsics 

We don't ever want to do the fmask lookup on a atomic or
store, the fmask should have been decompressed if the
surface has been moved to IMAGE_LAYOUT.

Original patch by Dave Airlie.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset 2018-12-18 15:21:56 +01:00
parent f45e43e156
commit 65d82c84d2
1 changed files with 1 additions and 1 deletions
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2
src/amd/common/ac_nir_to_llvm.c
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@ -2249,7 +2249,7 @@ static void get_image_coords(struct ac_nir_context *ctx,
bool gfx9_1d = ctx->ac.chip_class >= GFX9 && dim == GLSL_SAMPLER_DIM_1D;
count = image_type_to_components_count(dim, is_array);
if (is_ms) {
if (is_ms && instr->intrinsic == nir_intrinsic_image_deref_load) {
LLVMValueRef fmask_load_address[3];
int chan;