Giovanni Mascellani : vkd3d-shader/hlsl: Write SM4 conditionals.
Alexandre Julliard
julliard at winehq.org
Mon Nov 8 15:44:33 CST 2021
Module: vkd3d
Branch: master
Commit: 10593ad6538f48a737b277db2826f1086a2caa15
URL: https://source.winehq.org/git/vkd3d.git/?a=commit;h=10593ad6538f48a737b277db2826f1086a2caa15
Author: Giovanni Mascellani <gmascellani at codeweavers.com>
Date: Fri Nov 5 19:35:55 2021 +0100
vkd3d-shader/hlsl: Write SM4 conditionals.
Signed-off-by: Giovanni Mascellani <gmascellani at codeweavers.com>
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni at codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
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 9d4319b..d48a41d 100644
--- a/libs/vkd3d-shader/hlsl_sm4.c
+++ b/libs/vkd3d-shader/hlsl_sm4.c
@@ -1415,6 +1415,33 @@ 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);
+
+ 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)
{
@@ -1554,6 +1581,10 @@ static void write_sm4_block(struct hlsl_ctx *ctx, struct vkd3d_bytecode_buffer *
write_sm4_expr(ctx, buffer, hlsl_ir_expr(instr));
break;
+ case HLSL_IR_IF:
+ write_sm4_if(ctx, buffer, hlsl_ir_if(instr));
+ break;
+
case HLSL_IR_LOAD:
write_sm4_load(ctx, buffer, hlsl_ir_load(instr));
break;
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