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vkd3d-shader: Introduce a compile option to use Unknown format for typed UAV loads.

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Specifying R32 for UAVs created with a vector format, e.g. R32G32B32A32_FLOAT,
results in only the red being loaded/stored, potentially causing images to
contain only the red component.

Signed-off-by: Conor McCarthy <cmccarthy@codeweavers.com>
This commit is contained in:
Conor McCarthy
2022-08-01 13:01:49 +10:00
committed by Alexandre Julliard
parent d7554accbc
commit 3dbd2ceca6
Notes: Alexandre Julliard 2022-10-18 00:13:00 +02:00 
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/2
2 changed files with 33 additions and 1 deletions
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16
libs/vkd3d-shader/spirv.c
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@@ -2228,6 +2228,7 @@ struct vkd3d_dxbc_compiler
bool strip_debug;
bool ssbo_uavs;
bool uav_read_without_format;
struct rb_tree symbol_table;
uint32_t temp_id;
@@ -2379,6 +2380,15 @@ struct vkd3d_dxbc_compiler *vkd3d_dxbc_compiler_create(const struct vkd3d_shader
case VKD3D_SHADER_COMPILE_OPTION_API_VERSION:
break;
case VKD3D_SHADER_COMPILE_OPTION_TYPED_UAV:
if (option->value == VKD3D_SHADER_COMPILE_OPTION_TYPED_UAV_READ_FORMAT_R32)
compiler->uav_read_without_format = false;
else if (option->value == VKD3D_SHADER_COMPILE_OPTION_TYPED_UAV_READ_FORMAT_UNKNOWN)
compiler->uav_read_without_format = true;
else
WARN("Ignoring unrecognised value %#x for option %#x.\n", option->value, option->name);
break;
}
}
@@ -5856,14 +5866,18 @@ static uint32_t vkd3d_dxbc_compiler_get_image_type_id(struct vkd3d_dxbc_compiler
const struct vkd3d_shader_descriptor_info *d;
uint32_t sampled_type_id;
SpvImageFormat format;
bool uav_read;
format = SpvImageFormatUnknown;
if (reg->type == VKD3DSPR_UAV)
{
d = vkd3d_dxbc_compiler_get_descriptor_info(compiler,
VKD3D_SHADER_DESCRIPTOR_TYPE_UAV, range);
if (raw_structured || (d->flags & VKD3D_SHADER_DESCRIPTOR_INFO_FLAG_UAV_READ))
uav_read = !!(d->flags & VKD3D_SHADER_DESCRIPTOR_INFO_FLAG_UAV_READ);
if (raw_structured || (uav_read && !compiler->uav_read_without_format))
format = image_format_for_image_read(data_type);
else if (uav_read)
vkd3d_spirv_enable_capability(builder, SpvCapabilityStorageImageReadWithoutFormat);
}
sampled_type_id = vkd3d_spirv_get_type_id(builder, data_type, 1);