On Tue, Nov 2, 2021 at 11:49 AM Giovanni Mascellani gmascellani@codeweavers.com wrote:
Signed-off-by: Giovanni Mascellani gmascellani@codeweavers.com
libs/vkd3d-shader/hlsl_sm4.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+)
diff --git a/libs/vkd3d-shader/hlsl_sm4.c b/libs/vkd3d-shader/hlsl_sm4.c index c022b5dd..3919725d 100644 --- a/libs/vkd3d-shader/hlsl_sm4.c +++ b/libs/vkd3d-shader/hlsl_sm4.c @@ -1358,6 +1358,33 @@ static void write_sm4_expr(struct hlsl_ctx *ctx, } }
+static void write_sm4_if(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffer *buffer, const struct hlsl_ir_if *iff) +{
- struct sm4_instruction instr =
- {
.opcode = VKD3D_SM4_OP_IF | VKD3D_SM4_CONDITIONAL_NZ,.src_count = 1,- };
- unsigned int writemask;
- assert(iff->condition.node->data_type->dimx == 1);
- sm4_register_from_node(&instr.srcs[0].reg, &writemask, iff->condition.node);
- instr.srcs[0].swizzle = hlsl_swizzle_from_writemask(writemask);
- write_sm4_instruction(buffer, &instr);
- write_sm4_block(ctx, buffer, &iff->then_instrs);
- instr.opcode = VKD3D_SM4_OP_ELSE;
- instr.src_count = 0;
- write_sm4_instruction(buffer, &instr);
- write_sm4_block(ctx, buffer, &iff->else_instrs);
It would probably be nicer not to emit the else at all when there are no instructions in the block.
- instr.opcode = VKD3D_SM4_OP_ENDIF;
- write_sm4_instruction(buffer, &instr);
+}
static void write_sm4_load(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffer *buffer, const struct hlsl_ir_load *load) {