[Mesa-dev] [PATCH 3/3] radv/ac: fix multiple descriptor sets with dynamic buffers

[Fredrik Höglund]

The dynamic_offset_offset in the descriptor set binding layout is
relative to the dynamic_offset_start for the set in the pipeline
layout.

Cc: 17.0 <mesa-stable at lists.freedesktop.org>
Signed-off-by: Fredrik Höglund <fredrik at kde.org>
---
 src/amd/common/ac_nir_to_llvm.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
index e472408b0c..a1fe2dd133 100644
--- a/src/amd/common/ac_nir_to_llvm.c
+++ b/src/amd/common/ac_nir_to_llvm.c
@@ -1777,15 +1777,17 @@ static LLVMValueRef visit_vulkan_resource_index(struct nir_to_llvm_context *ctx,
 	unsigned desc_set = nir_intrinsic_desc_set(instr);
 	unsigned binding = nir_intrinsic_binding(instr);
 	LLVMValueRef desc_ptr = ctx->descriptor_sets[desc_set];
-	struct radv_descriptor_set_layout *layout = ctx->options->layout->set[desc_set].layout;
+	struct radv_pipeline_layout *pipeline_layout = ctx->options->layout;
+	struct radv_descriptor_set_layout *layout = pipeline_layout->set[desc_set].layout;
 	unsigned base_offset = layout->binding[binding].offset;
 	LLVMValueRef offset, stride;
 
 	if (layout->binding[binding].type == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC ||
 	    layout->binding[binding].type == VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC) {
+		unsigned idx = pipeline_layout->set[desc_set].dynamic_offset_start +
+			layout->binding[binding].dynamic_offset_offset;
 		desc_ptr = ctx->push_constants;
-		base_offset = ctx->options->layout->push_constant_size;
-		base_offset +=  16 * layout->binding[binding].dynamic_offset_offset;
+		base_offset = pipeline_layout->push_constant_size + 16 * idx;
 		stride = LLVMConstInt(ctx->i32, 16, false);
 	} else
 		stride = LLVMConstInt(ctx->i32, layout->binding[binding].size, false);
-- 
2.11.0