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libs/vkd3d-shader: Get rid of artificial limit for switch case blocks.

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This commit is contained in:
Józef Kucia 2017-08-01 11:38:10 +02:00
parent cd75aab7ba
commit 3effb4b18c
1 changed files with 11 additions and 4 deletions
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15
libs/vkd3d-shader/spirv.c
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@ -1459,8 +1459,6 @@ struct vkd3d_loop_cf_info
uint32_t merge_block_id;
};
#define MAX_SWITCH_CASES 30
struct vkd3d_switch_cf_info
{
unsigned int id;
@ -1468,7 +1466,8 @@ struct vkd3d_switch_cf_info
uint32_t selector_id;
uint32_t merge_block_id;
uint32_t default_block_id;
uint32_t case_blocks[2 * MAX_SWITCH_CASES];
uint32_t *case_blocks;
size_t case_blocks_size;
unsigned int case_block_count;
bool inside_block;
@ -3728,7 +3727,11 @@ static void vkd3d_dxbc_compiler_emit_control_flow_instruction(struct vkd3d_dxbc_
cf_info->u.switch_.merge_block_id = merge_block_id;
cf_info->u.switch_.stream_location = vkd3d_spirv_stream_current_location(&builder->function_stream);
cf_info->u.switch_.selector_id = val_id;
cf_info->u.switch_.case_blocks = NULL;
cf_info->u.switch_.case_blocks_size = 0;
cf_info->u.switch_.case_block_count = 0;
vkd3d_array_reserve((void **)&cf_info->u.switch_.case_blocks, &cf_info->u.switch_.case_blocks_size,
10, sizeof(*cf_info->u.switch_.case_blocks));
cf_info->u.switch_.default_block_id = 0;
cf_info->u.switch_.inside_block = false;
cf_info->current_block = VKD3D_BLOCK_SWITCH;
@ -3753,6 +3756,7 @@ static void vkd3d_dxbc_compiler_emit_control_flow_instruction(struct vkd3d_dxbc_
cf_info->u.switch_.case_block_count);
vkd3d_spirv_end_function_stream_insertion(builder);
vkd3d_free(cf_info->u.switch_.case_blocks);
vkd3d_dxbc_compiler_pop_control_flow_level(compiler);
break;
@ -3766,9 +3770,12 @@ static void vkd3d_dxbc_compiler_emit_control_flow_instruction(struct vkd3d_dxbc_
assert(src->swizzle == VKD3DSP_NOSWIZZLE && src->reg.type == VKD3DSPR_IMMCONST);
value = *src->reg.u.immconst_data;
if (!vkd3d_array_reserve((void **)&cf_info->u.switch_.case_blocks, &cf_info->u.switch_.case_blocks_size,
2 * (cf_info->u.switch_.case_block_count + 1), sizeof(*cf_info->u.switch_.case_blocks)))
return;
label_id = vkd3d_spirv_alloc_id(builder);
assert(cf_info->u.switch_.case_block_count < MAX_SWITCH_CASES);
cf_info->u.switch_.case_blocks[2 * cf_info->u.switch_.case_block_count + 0] = value;
cf_info->u.switch_.case_blocks[2 * cf_info->u.switch_.case_block_count + 1] = label_id;
++cf_info->u.switch_.case_block_count;