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libs/vk3d-shader: Translate break instructions for loops.

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This commit is contained in:
Józef Kucia 2017-07-20 13:32:40 +02:00
parent 1cbf6ebddf
commit 18c06c8022
1 changed files with 36 additions and 0 deletions
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36
libs/vkd3d-shader/spirv.c
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@ -3181,6 +3181,41 @@ static void vkd3d_dxbc_compiler_emit_control_flow_instruction(struct vkd3d_dxbc_
--compiler->control_flow_depth;
break;
case VKD3DSIH_BREAK:
{
const struct vkd3d_control_flow_info *loop_cf_info = NULL;
int depth;
for (depth = compiler->control_flow_depth - 1; depth >= 0; --depth)
{
if (compiler->control_flow_info[depth].current_block == VKD3D_BLOCK_LOOP)
{
loop_cf_info = &compiler->control_flow_info[depth];
break;
}
}
if (!loop_cf_info)
{
FIXME("Unhandled break instruction.\n");
return;
}
assert(compiler->control_flow_depth);
assert(loop_cf_info->current_block == VKD3D_BLOCK_LOOP);
vkd3d_spirv_build_op_branch(builder, loop_cf_info->u.loop.merge_block_id);
if (cf_info->current_block == VKD3D_BLOCK_IF)
{
vkd3d_spirv_build_op_label(builder, cf_info->u.branch.else_block_id);
cf_info->current_block = VKD3D_BLOCK_ELSE;
}
else
{
cf_info->current_block = VKD3D_BLOCK_NONE;
}
break;
}
case VKD3DSIH_BREAKP:
assert(compiler->control_flow_depth);
assert(cf_info->current_block == VKD3D_BLOCK_LOOP);
@ -3388,6 +3423,7 @@ void vkd3d_dxbc_compiler_handle_instruction(struct vkd3d_dxbc_compiler *compiler
case VKD3DSIH_F32TOF16:
vkd3d_dxbc_compiler_emit_f32tof16(compiler, instruction);
break;
case VKD3DSIH_BREAK:
case VKD3DSIH_BREAKP:
case VKD3DSIH_ELSE:
case VKD3DSIH_ENDIF: