[PATCH vkd3d 3/5] vkd3d-shader: Write SM1 addition instructions.
Zebediah Figura
zfigura at codeweavers.com
Tue May 18 15:55:23 CDT 2021
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
---
libs/vkd3d-shader/hlsl_codegen.c | 54 ++++++++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
diff --git a/libs/vkd3d-shader/hlsl_codegen.c b/libs/vkd3d-shader/hlsl_codegen.c
index 57173147..166e5f56 100644
--- a/libs/vkd3d-shader/hlsl_codegen.c
+++ b/libs/vkd3d-shader/hlsl_codegen.c
@@ -1594,6 +1594,30 @@ static void write_sm1_instruction(struct hlsl_ctx *ctx, struct bytecode_buffer *
write_sm1_src_register(buffer, &instr->srcs[i], instr->dst.writemask);
};
+static void write_sm1_binary_op(struct hlsl_ctx *ctx, struct bytecode_buffer *buffer,
+ D3DSHADER_INSTRUCTION_OPCODE_TYPE opcode, const struct hlsl_reg *dst,
+ const struct hlsl_reg *src1, const struct hlsl_reg *src2)
+{
+ const struct sm1_instruction instr =
+ {
+ .opcode = opcode,
+
+ .dst.type = D3DSPR_TEMP,
+ .dst.writemask = dst->writemask,
+ .dst.reg = dst->id,
+ .has_dst = 1,
+
+ .srcs[0].type = D3DSPR_TEMP,
+ .srcs[0].swizzle = swizzle_from_writemask(src1->writemask),
+ .srcs[0].reg = src1->id,
+ .srcs[1].type = D3DSPR_TEMP,
+ .srcs[1].swizzle = swizzle_from_writemask(src2->writemask),
+ .srcs[1].reg = src2->id,
+ .src_count = 2,
+ };
+ write_sm1_instruction(ctx, buffer, &instr);
+}
+
static void write_sm1_constant_defs(struct hlsl_ctx *ctx, struct bytecode_buffer *buffer)
{
unsigned int i, x;
@@ -1697,6 +1721,32 @@ static void write_sm1_constant(struct hlsl_ctx *ctx, struct bytecode_buffer *buf
write_sm1_instruction(ctx, buffer, &sm1_instr);
}
+static void write_sm1_expr(struct hlsl_ctx *ctx, struct bytecode_buffer *buffer, const struct hlsl_ir_node *instr)
+{
+ struct hlsl_ir_expr *expr = hlsl_ir_expr(instr);
+ struct hlsl_ir_node *arg1 = expr->operands[0].node;
+ struct hlsl_ir_node *arg2 = expr->operands[1].node;
+
+ assert(instr->reg.allocated);
+
+ if (instr->data_type->base_type != HLSL_TYPE_FLOAT)
+ {
+ FIXME("Non-float operations need to be lowered.\n");
+ return;
+ }
+
+ switch (expr->op)
+ {
+ case HLSL_IR_BINOP_ADD:
+ write_sm1_binary_op(ctx, buffer, D3DSIO_ADD, &instr->reg, &arg1->reg, &arg2->reg);
+ break;
+
+ default:
+ FIXME("Unhandled op %u.\n", expr->op);
+ break;
+ }
+}
+
static void write_sm1_load(struct hlsl_ctx *ctx, struct bytecode_buffer *buffer, const struct hlsl_ir_node *instr)
{
const struct hlsl_ir_load *load = hlsl_ir_load(instr);
@@ -1831,6 +1881,10 @@ static void write_sm1_instructions(struct hlsl_ctx *ctx, struct bytecode_buffer
write_sm1_constant(ctx, buffer, instr);
break;
+ case HLSL_IR_EXPR:
+ write_sm1_expr(ctx, buffer, instr);
+ break;
+
case HLSL_IR_LOAD:
write_sm1_load(ctx, buffer, instr);
break;
--
2.31.1
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