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vkd3d-shader/spirv: Implement the WAVE_IS_FIRST_LANE instruction.

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Conor McCarthy 2024-04-23 21:56:26 +10:00 committed by Alexandre Julliard
parent c30976e5c2
commit 065ef0c5e4
Notes: Alexandre Julliard 2024-05-13 22:56:53 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/856
2 changed files with 23 additions and 2 deletions
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21
libs/vkd3d-shader/spirv.c
View File

@ -1768,6 +1768,13 @@ static uint32_t vkd3d_spirv_build_op_group_nonuniform_ballot_bit_count(struct vk
result_type, vkd3d_spirv_get_op_scope_subgroup(builder), group_op, val_id);
}
static uint32_t vkd3d_spirv_build_op_group_nonuniform_elect(struct vkd3d_spirv_builder *builder)
{
vkd3d_spirv_enable_capability(builder, SpvCapabilityGroupNonUniform);
return vkd3d_spirv_build_op_tr1(builder, &builder->function_stream, SpvOpGroupNonUniformElect,
vkd3d_spirv_get_op_type_bool(builder), vkd3d_spirv_get_op_scope_subgroup(builder));
}
static uint32_t vkd3d_spirv_build_op_glsl_std450_tr1(struct vkd3d_spirv_builder *builder,
enum GLSLstd450 op, uint32_t result_type, uint32_t operand)
{
@ -9904,6 +9911,17 @@ static void spirv_compiler_emit_wave_bit_count(struct spirv_compiler *compiler,
spirv_compiler_emit_store_dst(compiler, dst, val_id);
}
static void spirv_compiler_emit_wave_is_first_lane(struct spirv_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
const struct vkd3d_shader_dst_param *dst = instruction->dst;
uint32_t val_id;
val_id = vkd3d_spirv_build_op_group_nonuniform_elect(builder);
spirv_compiler_emit_store_dst(compiler, dst, val_id);
}
/* This function is called after declarations are processed. */
static void spirv_compiler_emit_main_prolog(struct spirv_compiler *compiler)
{
@ -10272,6 +10290,9 @@ static int spirv_compiler_handle_instruction(struct spirv_compiler *compiler,
case VKD3DSIH_WAVE_ALL_BIT_COUNT:
spirv_compiler_emit_wave_bit_count(compiler, instruction);
break;
case VKD3DSIH_WAVE_IS_FIRST_LANE:
spirv_compiler_emit_wave_is_first_lane(compiler, instruction);
break;
case VKD3DSIH_DCL:
case VKD3DSIH_DCL_HS_MAX_TESSFACTOR:
case VKD3DSIH_DCL_INPUT_CONTROL_POINT_COUNT:

4
tests/hlsl/wave-ops-uint.shader_test
View File

@ -24,7 +24,7 @@ void main(uint id : SV_GroupIndex)
}
[test]
todo dispatch 4 1 1
dispatch 4 1 1
probe uav 1 (0) rui (1)
probe uav 1 (1) rui (0)
probe uav 1 (2) rui (0)
@ -46,7 +46,7 @@ void main(uint id : SV_GroupIndex)
}
[test]
todo dispatch 4 1 1
dispatch 4 1 1
probe uav 1 (0) rui (0)
probe uav 1 (1) rui (1)
probe uav 1 (2) rui (0)