From: Józef Kucia Subject: [PATCH vkd3d 3/8] vkd3d-shader: Translate continue instructions. Message-Id: <20180924082524.18955-3-joseph.kucia@gmail.com> Date: Mon, 24 Sep 2018 10:25:19 +0200 From: Józef Kucia Signed-off-by: Józef Kucia --- libs/vkd3d-shader/spirv.c | 33 +++++++++++++++++++++++++++++++-- 1 file changed, 31 insertions(+), 2 deletions(-) diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c index d19d89990d5c..b96b69e83934 100644 --- a/libs/vkd3d-shader/spirv.c +++ b/libs/vkd3d-shader/spirv.c @@ -4850,6 +4850,20 @@ static void vkd3d_dxbc_compiler_pop_control_flow_level(struct vkd3d_dxbc_compile memset(cf_info, 0, sizeof(*cf_info)); } +static struct vkd3d_control_flow_info *vkd3d_dxbc_compiler_find_innermost_loop( + struct vkd3d_dxbc_compiler *compiler) +{ + int depth; + + for (depth = compiler->control_flow_depth - 1; depth >= 0; --depth) + { + if (compiler->control_flow_info[depth].current_block == VKD3D_BLOCK_LOOP) + return &compiler->control_flow_info[depth]; + } + + return NULL; +} + static struct vkd3d_control_flow_info *vkd3d_dxbc_compiler_find_innermost_breakable_cf_construct( struct vkd3d_dxbc_compiler *compiler) { @@ -5079,8 +5093,6 @@ static void vkd3d_dxbc_compiler_emit_control_flow_instruction(struct vkd3d_dxbc_ return; } - assert(compiler->control_flow_depth); - if (breakable_cf_info->current_block == VKD3D_BLOCK_LOOP) { vkd3d_spirv_build_op_branch(builder, breakable_cf_info->u.loop.merge_block_id); @@ -5102,6 +5114,22 @@ static void vkd3d_dxbc_compiler_emit_control_flow_instruction(struct vkd3d_dxbc_ vkd3d_dxbc_compiler_emit_breakc(compiler, instruction, cf_info->u.loop.merge_block_id); break; + case VKD3DSIH_CONTINUE: + { + struct vkd3d_control_flow_info *loop_cf_info; + + if (!(loop_cf_info = vkd3d_dxbc_compiler_find_innermost_loop(compiler))) + { + ERR("Invalid 'continue' instruction outside loop.\n"); + return; + } + + vkd3d_spirv_build_op_branch(builder, loop_cf_info->u.loop.continue_block_id); + + cf_info->inside_block = false; + break; + } + case VKD3DSIH_RET: vkd3d_dxbc_compiler_emit_return(compiler, instruction); @@ -6278,6 +6306,7 @@ void vkd3d_dxbc_compiler_handle_instruction(struct vkd3d_dxbc_compiler *compiler case VKD3DSIH_BREAK: case VKD3DSIH_BREAKP: case VKD3DSIH_CASE: + case VKD3DSIH_CONTINUE: case VKD3DSIH_DEFAULT: case VKD3DSIH_ELSE: case VKD3DSIH_ENDIF: -- 2.16.4