nvc0/ir: fix 1D arrays images for Kepler

For 1D arrays, the array index is stored in the Z component.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>

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 e23141b2dd2cd8d087646467f30a39fcc43d410b..6a3c7e92f8a60a9dfe9411362cc1435088b8055f 100644 (file)
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_lowering_nvc0.cpp
@@ -1628,13 +1628,20 @@ 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;