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vkd3d-shader/msl: Implement VKD3DSIH_GATHER4_PO.

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This commit is contained in:
Henri Verbeet
2025-05-27 23:42:48 +02:00
parent 449804623a
commit 6f8ce6df72
Notes: Henri Verbeet 2025-06-24 16:32:54 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1593
2 changed files with 27 additions and 12 deletions
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37
libs/vkd3d-shader/msl.c
View File

@@ -965,8 +965,9 @@ static void msl_ld(struct msl_generator *gen, const struct vkd3d_shader_instruct
static void msl_sample(struct msl_generator *gen, const struct vkd3d_shader_instruction *ins)
{
bool bias, compare, comparison_sampler, gather, grad, lod, lod_zero;
bool bias, compare, comparison_sampler, gather, grad, lod, lod_zero, offset;
const struct msl_resource_type_info *resource_type_info;
const struct vkd3d_shader_src_param *resource, *sampler;
unsigned int resource_id, resource_idx, resource_space;
const struct vkd3d_shader_descriptor_binding *binding;
unsigned int sampler_id, sampler_idx, sampler_space;
@@ -982,22 +983,27 @@ static void msl_sample(struct msl_generator *gen, const struct vkd3d_shader_inst
bias = ins->opcode == VKD3DSIH_SAMPLE_B;
compare = ins->opcode == VKD3DSIH_GATHER4_C || ins->opcode == VKD3DSIH_SAMPLE_C
|| ins->opcode == VKD3DSIH_SAMPLE_C_LZ;
gather = ins->opcode == VKD3DSIH_GATHER4 || ins->opcode == VKD3DSIH_GATHER4_C;
gather = ins->opcode == VKD3DSIH_GATHER4 || ins->opcode == VKD3DSIH_GATHER4_C
|| ins->opcode == VKD3DSIH_GATHER4_PO;
grad = ins->opcode == VKD3DSIH_SAMPLE_GRAD;
lod = ins->opcode == VKD3DSIH_SAMPLE_LOD;
lod_zero = ins->opcode == VKD3DSIH_SAMPLE_C_LZ;
offset = ins->opcode == VKD3DSIH_GATHER4_PO;
resource = &ins->src[1 + offset];
sampler = &ins->src[2 + offset];
if (vkd3d_shader_instruction_has_texel_offset(ins))
msl_compiler_error(gen, VKD3D_SHADER_ERROR_MSL_INTERNAL,
"Internal compiler error: Unhandled texel sample offset.");
if (ins->src[1].reg.idx[0].rel_addr || ins->src[1].reg.idx[1].rel_addr
|| ins->src[2].reg.idx[0].rel_addr || ins->src[2].reg.idx[1].rel_addr)
if (resource->reg.idx[0].rel_addr || resource->reg.idx[1].rel_addr
|| sampler->reg.idx[0].rel_addr || sampler->reg.idx[1].rel_addr)
msl_compiler_error(gen, VKD3D_SHADER_ERROR_MSL_UNSUPPORTED,
"Descriptor indexing is not supported.");
resource_id = ins->src[1].reg.idx[0].offset;
resource_idx = ins->src[1].reg.idx[1].offset;
resource_id = resource->reg.idx[0].offset;
resource_idx = resource->reg.idx[1].offset;
if ((d = vkd3d_shader_find_descriptor(&gen->program->descriptors,
VKD3D_SHADER_DESCRIPTOR_TYPE_SRV, resource_id)))
{
@@ -1050,8 +1056,8 @@ static void msl_sample(struct msl_generator *gen, const struct vkd3d_shader_inst
srv_binding = 0;
}
sampler_id = ins->src[2].reg.idx[0].offset;
sampler_idx = ins->src[2].reg.idx[1].offset;
sampler_id = sampler->reg.idx[0].offset;
sampler_idx = sampler->reg.idx[1].offset;
if ((d = vkd3d_shader_find_descriptor(&gen->program->descriptors,
VKD3D_SHADER_DESCRIPTOR_TYPE_SAMPLER, sampler_id)))
{
@@ -1145,9 +1151,17 @@ static void msl_sample(struct msl_generator *gen, const struct vkd3d_shader_inst
msl_print_src_with_type(sample, gen, &ins->src[3], VKD3DSP_WRITEMASK_0, ins->src[3].reg.data_type);
vkd3d_string_buffer_printf(sample, ")");
}
if (gather && !compare && (component_idx = vsir_swizzle_get_component(ins->src[2].swizzle, 0)))
if (offset)
{
if (resource_type_info->offset)
if (!resource_type_info->offset)
msl_compiler_error(gen, VKD3D_SHADER_ERROR_MSL_UNSUPPORTED,
"Texel sample offsets are not supported with resource type %#x.", resource_type);
vkd3d_string_buffer_printf(sample, ", ");
msl_print_src_with_type(sample, gen, &ins->src[1], coord_mask, ins->src[1].reg.data_type);
}
if (gather && !compare && (component_idx = vsir_swizzle_get_component(sampler->swizzle, 0)))
{
if (!offset && resource_type_info->offset)
vkd3d_string_buffer_printf(sample, ", int2(0)");
vkd3d_string_buffer_printf(sample, ", component::%c", "xyzw"[component_idx]);
}
@@ -1155,7 +1169,7 @@ static void msl_sample(struct msl_generator *gen, const struct vkd3d_shader_inst
if (ins->dst[0].reg.data_type == VKD3D_DATA_UINT)
vkd3d_string_buffer_printf(sample, ")");
if (!compare || gather)
msl_print_swizzle(sample, ins->src[1].swizzle, ins->dst[0].write_mask);
msl_print_swizzle(sample, resource->swizzle, ins->dst[0].write_mask);
msl_print_assignment(gen, &dst, "%s", sample->buffer);
@@ -1300,6 +1314,7 @@ static void msl_handle_instruction(struct msl_generator *gen, const struct vkd3d
break;
case VKD3DSIH_GATHER4:
case VKD3DSIH_GATHER4_C:
case VKD3DSIH_GATHER4_PO:
case VKD3DSIH_SAMPLE:
case VKD3DSIH_SAMPLE_B:
case VKD3DSIH_SAMPLE_C:

2
tests/hlsl/gather-offset.shader_test
View File

@@ -113,5 +113,5 @@ float4 main() : sv_target
[test]
uniform 0 int4 1 0 0 0
todo(msl) draw quad
draw quad
bug(d3d12 & mvk) probe (0, 0) rgba (0.1, 0.2, 0.2, 0.1)