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Use a more robust method of determining writability of bindings

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This commit is contained in:
Pedro J. Estébanez 2022-06-30 19:53:50 +02:00
parent 5ab59ee7df
commit 95ac9081d6
1 changed files with 8 additions and 22 deletions
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30
drivers/vulkan/rendering_device_vulkan.cpp
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@ -4647,18 +4647,6 @@ Vector<uint8_t> RenderingDeviceVulkan::shader_compile_binary_from_spirv(const Ve
ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, Vector<uint8_t>(),
"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed getting descriptor bindings.");
uint32_t interface_vars_count = 0;
result = spvReflectEnumerateInterfaceVariables(&module, &interface_vars_count, nullptr);
ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, Vector<uint8_t>(),
"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed enumerating interface variables.");
Vector<SpvReflectInterfaceVariable *> interface_vars;
interface_vars.resize(interface_vars_count);
result = spvReflectEnumerateInterfaceVariables(&module, &interface_vars_count, interface_vars.ptrw());
ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, Vector<uint8_t>(),
"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed getting interface variables.");
for (uint32_t j = 0; j < binding_count; j++) {
const SpvReflectDescriptorBinding &binding = *bindings[j];
@ -4666,6 +4654,7 @@ Vector<uint8_t> RenderingDeviceVulkan::shader_compile_binary_from_spirv(const Ve
bool need_array_dimensions = false;
bool need_block_size = false;
bool may_be_writable = false;
switch (binding.descriptor_type) {
case SPV_REFLECT_DESCRIPTOR_TYPE_SAMPLER: {
@ -4683,6 +4672,7 @@ Vector<uint8_t> RenderingDeviceVulkan::shader_compile_binary_from_spirv(const Ve
case SPV_REFLECT_DESCRIPTOR_TYPE_STORAGE_IMAGE: {
info.type = UNIFORM_TYPE_IMAGE;
need_array_dimensions = true;
may_be_writable = true;
} break;
case SPV_REFLECT_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER: {
info.type = UNIFORM_TYPE_TEXTURE_BUFFER;
@ -4691,6 +4681,7 @@ Vector<uint8_t> RenderingDeviceVulkan::shader_compile_binary_from_spirv(const Ve
case SPV_REFLECT_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER: {
info.type = UNIFORM_TYPE_IMAGE_BUFFER;
need_array_dimensions = true;
may_be_writable = true;
} break;
case SPV_REFLECT_DESCRIPTOR_TYPE_UNIFORM_BUFFER: {
info.type = UNIFORM_TYPE_UNIFORM_BUFFER;
@ -4699,6 +4690,7 @@ Vector<uint8_t> RenderingDeviceVulkan::shader_compile_binary_from_spirv(const Ve
case SPV_REFLECT_DESCRIPTOR_TYPE_STORAGE_BUFFER: {
info.type = UNIFORM_TYPE_STORAGE_BUFFER;
need_block_size = true;
may_be_writable = true;
} break;
case SPV_REFLECT_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC: {
ERR_PRINT("Dynamic uniform buffer not supported.");
@ -4737,17 +4729,11 @@ Vector<uint8_t> RenderingDeviceVulkan::shader_compile_binary_from_spirv(const Ve
info.length = 0;
}
SpvReflectInterfaceVariable *interface_var = nullptr;
for (uint32_t k = 0; k < interface_vars_count; k++) {
if (interface_vars[k]->spirv_id == binding.spirv_id) {
interface_var = interface_vars[k];
break;
}
if (may_be_writable) {
info.writable = !(bool)(binding.type_description->decoration_flags & SPV_REFLECT_DECORATION_NON_WRITABLE);
} else {
info.writable = false;
}
ERR_FAIL_COND_V_MSG(!interface_var, Vector<uint8_t>(),
"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed finding interface variable.");
info.writable = !(bool)(interface_var->decoration_flags & SPV_REFLECT_DECORATION_NON_WRITABLE);
info.binding = binding.binding;
uint32_t set = binding.set;