For 1D arrays, the array index is stored in the Z component.
v2: simplify logic
Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
b/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
index c519ea9..1f26a03 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
@@ -1629,13 +1629,20 @@
NVC0LoweringPass::processSurfaceCoordsNVE4(TexInstruction *su)
// calculate clamped coordinates
for (c = 0; c < arg; ++c) {
+ int dimc = c;
+
+ if (c == 1 && su->tex.target == TEX_TARGET_1D_ARRAY) {
+ // The array index is stored in the Z component for 1D arrays.
+ dimc = 2;
+ }
+
src[c] = bld.getScratch();
if (c == 0 && raw)
v = loadSuInfo32(NULL, base + NVE4_SU_INFO_RAW_X);
else
- v = loadSuInfo32(NULL, base + NVE4_SU_INFO_DIM(c));
+ v = loadSuInfo32(NULL, base + NVE4_SU_INFO_DIM(dimc));
bld.mkOp3(OP_SUCLAMP, TYPE_S32, src[c], su->getSrc(c), v, zero)
- ->subOp = getSuClampSubOp(su, c);
+ ->subOp = getSuClampSubOp(su, dimc);
}
for (; c < 3; ++c)
src[c] = zero;
--
2.8.0
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