Method parse_push_constants

framework/spirv_reflection.cpp:404–433

}

void SPIRVReflection::parse_push_constants(const spirv_cross::Compiler &compiler, VkShaderStageFlagBits stage, std::vector<ShaderResource> &resources, const ShaderVariant &variant)
{
	auto shader_resources = compiler.get_shader_resources();

	for (auto &resource : shader_resources.push_constant_buffers)
	{
		const auto &spivr_type = compiler.get_type_from_variable(resource.id);

		std::uint32_t offset = std::numeric_limits<std::uint32_t>::max();

		for (auto i = 0U; i < spivr_type.member_types.size(); ++i)
		{
			auto mem_offset = compiler.get_member_decoration(spivr_type.self, i, spv::DecorationOffset);

			offset = std::min(offset, mem_offset);
		}

		ShaderResource shader_resource{};
		shader_resource.type   = ShaderResourceType::PushConstant;
		shader_resource.stages = stage;
		shader_resource.name   = resource.name;
		shader_resource.offset = offset;

		read_resource_size(compiler, resource, shader_resource, variant);

		shader_resource.size -= shader_resource.offset;

		resources.push_back(shader_resource);
	}
}

void SPIRVReflection::parse_specialization_constants(const spirv_cross::Compiler &compiler, VkShaderStageFlagBits stage, std::vector<ShaderResource> &resources, const ShaderVariant &variant)
{