[PATCH 6/7] vkd3d-shader/hlsl: Write SM4 UAV store instructions.

[Zebediah Figura]

From: Zebediah Figura

---
 libs/vkd3d-shader/hlsl_sm4.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/libs/vkd3d-shader/hlsl_sm4.c b/libs/vkd3d-shader/hlsl_sm4.c
index f31ee169..51dc1f0f 100644
--- a/libs/vkd3d-shader/hlsl_sm4.c
+++ b/libs/vkd3d-shader/hlsl_sm4.c
@@ -1608,6 +1608,24 @@ static void write_sm4_cast(struct hlsl_ctx *ctx,
     }
 }

+static void write_sm4_store_uav_typed(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffer *buffer,
+        const struct hlsl_deref *dst, const struct hlsl_ir_node *coords, const struct hlsl_ir_node *value)
+{
+    struct sm4_instruction instr;
+
+    memset(&instr, 0, sizeof(instr));
+    instr.opcode = VKD3D_SM5_OP_STORE_UAV_TYPED;
+
+    sm4_register_from_deref(ctx, &instr.dsts[0].reg, &instr.dsts[0].writemask, NULL, dst, dst->var->data_type);
+    instr.dst_count = 1;
+
+    sm4_src_from_node(&instr.srcs[0], coords, VKD3DSP_WRITEMASK_ALL);
+    sm4_src_from_node(&instr.srcs[1], value, VKD3DSP_WRITEMASK_ALL);
+    instr.src_count = 2;
+
+    write_sm4_instruction(buffer, &instr);
+}
+
 static void write_sm4_expr(struct hlsl_ctx *ctx,
         struct vkd3d_bytecode_buffer *buffer, const struct hlsl_ir_expr *expr)
 {
@@ -2176,6 +2194,18 @@ static void write_sm4_resource_load(struct hlsl_ctx *ctx,
     }
 }

+static void write_sm4_resource_store(struct hlsl_ctx *ctx,
+        struct vkd3d_bytecode_buffer *buffer, const struct hlsl_ir_resource_store *store)
+{
+    if (!store->resource.var->is_uniform)
+    {
+        hlsl_fixme(ctx, &store->node.loc, "Store to non-uniform resource variable.");
+        return;
+    }
+
+    write_sm4_store_uav_typed(ctx, buffer, &store->resource, store->coords.node, store->value.node);
+}
+
 static void write_sm4_store(struct hlsl_ctx *ctx,
         struct vkd3d_bytecode_buffer *buffer, const struct hlsl_ir_store *store)
 {
@@ -2261,6 +2291,10 @@ static void write_sm4_block(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffer *
                 write_sm4_resource_load(ctx, buffer, hlsl_ir_resource_load(instr));
                 break;

+            case HLSL_IR_RESOURCE_STORE:
+                write_sm4_resource_store(ctx, buffer, hlsl_ir_resource_store(instr));
+                break;
+
             case HLSL_IR_LOOP:
                 write_sm4_loop(ctx, buffer, hlsl_ir_loop(instr));
                 break;