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vkd3d-shader/spirv: Implement the QUAD_READ_LANE_AT instruction.

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This commit is contained in:
Conor McCarthy 2024-04-23 22:35:28 +10:00 committed by Henri Verbeet
parent 0b8b5b2d0f
commit 9b070edf01
Notes: Henri Verbeet 2024-06-11 17:09:28 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/858
2 changed files with 38 additions and 2 deletions
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36
libs/vkd3d-shader/spirv.c
View File

@ -1760,6 +1760,14 @@ static uint32_t vkd3d_spirv_build_op_group_nonuniform_quad_swap(struct vkd3d_spi
vkd3d_spirv_get_op_scope_subgroup(builder), val_id, op_id);
}
static uint32_t vkd3d_spirv_build_op_group_nonuniform_quad_broadcast(struct vkd3d_spirv_builder *builder,
uint32_t result_type, uint32_t val_id, uint32_t index_id)
{
vkd3d_spirv_enable_capability(builder, SpvCapabilityGroupNonUniformQuad);
return vkd3d_spirv_build_op_tr3(builder, &builder->function_stream, SpvOpGroupNonUniformQuadBroadcast, result_type,
vkd3d_spirv_get_op_scope_subgroup(builder), val_id, index_id);
}
static uint32_t vkd3d_spirv_build_op_group_nonuniform_ballot(struct vkd3d_spirv_builder *builder,
uint32_t result_type, uint32_t val_id)
{
@ -9847,6 +9855,31 @@ static void spirv_compiler_emit_quad_read_across(struct spirv_compiler *compiler
spirv_compiler_emit_store_dst(compiler, dst, val_id);
}
static void spirv_compiler_emit_quad_read_lane_at(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;
const struct vkd3d_shader_src_param *src = instruction->src;
uint32_t type_id, val_id, lane_id;
if (!register_is_constant_or_undef(&src[1].reg))
{
FIXME("Unsupported non-constant quad read lane index.\n");
spirv_compiler_error(compiler, VKD3D_SHADER_ERROR_SPV_NOT_IMPLEMENTED,
"Non-constant quad read lane indices are not supported.");
return;
}
type_id = vkd3d_spirv_get_type_id_for_data_type(builder, dst->reg.data_type,
vsir_write_mask_component_count(dst->write_mask));
val_id = spirv_compiler_emit_load_src(compiler, &src[0], dst->write_mask);
lane_id = spirv_compiler_emit_load_src(compiler, &src[1], VKD3DSP_WRITEMASK_0);
val_id = vkd3d_spirv_build_op_group_nonuniform_quad_broadcast(builder, type_id, val_id, lane_id);
spirv_compiler_emit_store_dst(compiler, dst, val_id);
}
static SpvOp map_wave_bool_op(enum vkd3d_shader_opcode opcode)
{
switch (opcode)
@ -10382,6 +10415,9 @@ static int spirv_compiler_handle_instruction(struct spirv_compiler *compiler,
case VKD3DSIH_QUAD_READ_ACROSS_Y:
spirv_compiler_emit_quad_read_across(compiler, instruction);
break;
case VKD3DSIH_QUAD_READ_LANE_AT:
spirv_compiler_emit_quad_read_lane_at(compiler, instruction);
break;
case VKD3DSIH_WAVE_ACTIVE_ALL_EQUAL:
case VKD3DSIH_WAVE_ALL_TRUE:
case VKD3DSIH_WAVE_ANY_TRUE:

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

@ -273,7 +273,7 @@ void main(uint id : SV_GroupIndex)
}
[test]
todo dispatch 4 1 1
dispatch 4 1 1
probe uav 1 (0) rgba (0.75, 1.0, 0.5, 0.25)
probe uav 1 (1) rgba (0.75, 1.0, 0.5, 0.25)
probe uav 1 (2) rgba (0.75, 1.0, 0.5, 0.25)
@ -385,7 +385,7 @@ float4 main(float4 pos : SV_Position) : SV_Target
}
[test]
todo draw quad
draw quad
probe uav 1 (0) rgba (0.5, 0.25, 1.0, 0.75)
probe uav 1 (1) rgba (0.5, 0.25, 1.0, 0.75)
probe uav 1 (2) rgba (0.5, 0.25, 1.0, 0.75)