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vkd3d-shader/ir: Introduce a helper for validating ENDIF.

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Giovanni Mascellani 2024-09-11 13:22:33 +02:00 committed by Henri Verbeet
parent 244838d344
commit 34c8aaad29
Notes: Henri Verbeet 2024-09-13 16:05:51 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1067
1 changed files with 12 additions and 10 deletions
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22
libs/vkd3d-shader/ir.c
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@ -6180,6 +6180,17 @@ static void vsir_validate_else(struct validation_context *ctx, const struct vkd3
ctx->blocks[ctx->depth - 1] = VKD3DSIH_ELSE;
}
static void vsir_validate_endif(struct validation_context *ctx, const struct vkd3d_shader_instruction *instruction)
{
vsir_validate_cf_type(ctx, instruction, VSIR_CF_STRUCTURED);
if (ctx->depth == 0 || (ctx->blocks[ctx->depth - 1] != VKD3DSIH_IF
&& ctx->blocks[ctx->depth - 1] != VKD3DSIH_ELSE))
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_CONTROL_FLOW,
"ENDIF instruction doesn't terminate IF/ELSE block.");
else
--ctx->depth;
}
static void vsir_validate_if(struct validation_context *ctx, const struct vkd3d_shader_instruction *instruction)
{
vsir_validate_cf_type(ctx, instruction, VSIR_CF_STRUCTURED);
@ -6203,6 +6214,7 @@ static const struct vsir_validator_instruction_desc vsir_validator_instructions[
{
[VKD3DSIH_DCL_TEMPS] = {0, 0, vsir_validate_dcl_temps},
[VKD3DSIH_ELSE] = {0, 0, vsir_validate_else},
[VKD3DSIH_ENDIF] = {0, 0, vsir_validate_endif},
[VKD3DSIH_IF] = {0, 1, vsir_validate_if},
[VKD3DSIH_IFC] = {0, 2, vsir_validate_ifc},
};
@ -6367,16 +6379,6 @@ static void vsir_validate_instruction(struct validation_context *ctx)
switch (instruction->opcode)
{
case VKD3DSIH_ENDIF:
vsir_validate_cf_type(ctx, instruction, VSIR_CF_STRUCTURED);
vsir_validate_dst_count(ctx, instruction, 0);
vsir_validate_src_count(ctx, instruction, 0);
if (ctx->depth == 0 || (ctx->blocks[ctx->depth - 1] != VKD3DSIH_IF && ctx->blocks[ctx->depth - 1] != VKD3DSIH_ELSE))
validator_error(ctx, VKD3D_SHADER_ERROR_VSIR_INVALID_CONTROL_FLOW, "ENDIF instruction doesn't terminate IF/ELSE block.");
else
--ctx->depth;
break;
case VKD3DSIH_LOOP:
vsir_validate_cf_type(ctx, instruction, VSIR_CF_STRUCTURED);
vsir_validate_dst_count(ctx, instruction, 0);