Signed-off-by: Conor McCarthy cmccarthy@codeweavers.com --- include/vkd3d_shader.h | 22 ++++++++++++++++++++++ libs/vkd3d-shader/spirv.c | 8 +++++++- 2 files changed, 29 insertions(+), 1 deletion(-)
diff --git a/include/vkd3d_shader.h b/include/vkd3d_shader.h index 37b5936d..8d813d85 100644 --- a/include/vkd3d_shader.h +++ b/include/vkd3d_shader.h @@ -64,6 +64,11 @@ enum vkd3d_shader_structure_type * \since 1.3 */ VKD3D_SHADER_STRUCTURE_TYPE_PREPROCESS_INFO, + /** + * The structure is a vkd3d_shader_binding_offset_info structure. + * \since 1.3 + */ + VKD3D_SHADER_STRUCTURE_TYPE_BINDING_OFFSET_INFO,
VKD3D_FORCE_32_BIT_ENUM(VKD3D_SHADER_STRUCTURE_TYPE), }; @@ -452,6 +457,23 @@ struct vkd3d_shader_transform_feedback_info unsigned int buffer_stride_count; };
+/* Extends vkd3d_shader_interface_info. */ +struct vkd3d_shader_binding_offset_info +{ + /** Must be set to VKD3D_SHADER_STRUCTURE_TYPE_BINDING_OFFSET_INFO. */ + enum vkd3d_shader_structure_type type; + /** Optional pointer to a structure containing further parameters. */ + const void *next; + + /** + * Pointer to an array of offsets into shader resource descriptor bindings. + * These correlate 1:1 to the 'bindings' array in struct + * vkd3d_shader_interface_info, and will be added to the register index to + * address the correct location in a merged binding. + */ + const unsigned int *binding_offsets; +}; + /** The format of a shader to be compiled or scanned. */ enum vkd3d_shader_source_type { diff --git a/libs/vkd3d-shader/spirv.c b/libs/vkd3d-shader/spirv.c index ebaf1631..fab92059 100644 --- a/libs/vkd3d-shader/spirv.c +++ b/libs/vkd3d-shader/spirv.c @@ -2231,6 +2231,7 @@ struct vkd3d_dxbc_compiler size_t control_flow_info_size;
struct vkd3d_shader_interface_info shader_interface; + struct vkd3d_shader_binding_offset_info offset_info; struct vkd3d_push_constant_buffer_binding *push_constants; const struct vkd3d_shader_spirv_target_info *spirv_target_info;
@@ -2292,6 +2293,7 @@ struct vkd3d_dxbc_compiler *vkd3d_dxbc_compiler_create(const struct vkd3d_shader const struct vkd3d_shader_signature *patch_constant_signature = &shader_desc->patch_constant_signature; const struct vkd3d_shader_signature *output_signature = &shader_desc->output_signature; const struct vkd3d_shader_interface_info *shader_interface; + const struct vkd3d_shader_binding_offset_info *offset_info; const struct vkd3d_shader_spirv_target_info *target_info; struct vkd3d_dxbc_compiler *compiler; unsigned int max_element_count; @@ -2385,6 +2387,9 @@ struct vkd3d_dxbc_compiler *vkd3d_dxbc_compiler_create(const struct vkd3d_shader for (i = 0; i < shader_interface->push_constant_buffer_count; ++i) compiler->push_constants[i].pc = shader_interface->push_constant_buffers[i]; } + + if ((offset_info = vkd3d_find_struct(shader_interface->next, BINDING_OFFSET_INFO))) + compiler->offset_info = *offset_info; }
compiler->scan_descriptor_info = scan_descriptor_info; @@ -2546,6 +2551,7 @@ static struct vkd3d_shader_descriptor_binding vkd3d_dxbc_compiler_get_descriptor { const struct vkd3d_shader_interface_info *shader_interface = &compiler->shader_interface; unsigned int register_last = (range->last == ~0u) ? range->first : range->last; + const unsigned int *binding_offsets = compiler->offset_info.binding_offsets; enum vkd3d_shader_descriptor_type descriptor_type; enum vkd3d_shader_binding_flag resource_type_flag; struct vkd3d_shader_descriptor_binding binding; @@ -2626,7 +2632,7 @@ static struct vkd3d_shader_descriptor_binding vkd3d_dxbc_compiler_get_descriptor || current->binding.count <= register_last - current->register_index) continue;
- *binding_base_idx = current->register_index; + *binding_base_idx = current->register_index - (binding_offsets ? binding_offsets[i] : 0); return current->binding; } if (shader_interface->binding_count)