[Mesa-dev] [PATCH 3/8] nv50/ir: fix tex constraints for surface coords on Fermi

[Samuel Pitoiset]

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
---
 src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp b/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp
index 27883a0..b893996 100644
--- a/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp
+++ b/src/gallium/drivers/nouveau/codegen/nv50_ir_ra.cpp
@@ -2154,6 +2154,9 @@ RegAlloc::InsertConstraintsPass::texConstraintNVC0(TexInstruction *tex)
    if (tex->op == OP_TXQ) {
       s = tex->srcCount(0xff);
       n = 0;
+   } else if (isSurfaceOp(tex->op)) {
+      s = tex->tex.target.getDim() + (tex->tex.target.isArray() || tex->tex.target.isCube());
+      n = tex->srcCount(0xff) - s;
    } else {
       s = tex->tex.target.getArgCount() - tex->tex.target.isMS();
       if (!tex->tex.target.isArray() &&
-- 
2.8.2