Refactor SPIR-V reflection into a generic RenderingDevice feature
This commit is contained in:
Pedro J. Estébanez
parent
c985ee985f
commit
14e301467e
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@ -24,7 +24,6 @@ SConscript("winmidi/SCsub")
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# Graphics drivers
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if env["vulkan"]:
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SConscript("spirv-reflect/SCsub")
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SConscript("vulkan/SCsub")
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if env["opengl3"]:
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SConscript("gl_context/SCsub")
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@ -40,7 +40,6 @@
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#include "drivers/vulkan/vulkan_context.h"
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#include "thirdparty/misc/smolv.h"
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#include "thirdparty/spirv-reflect/spirv_reflect.h"
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//#define FORCE_FULL_BARRIER
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@ -4524,14 +4523,6 @@ RID RenderingDeviceVulkan::index_array_create(RID p_index_buffer, uint32_t p_ind
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/**** SHADER ****/
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/****************/
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static const char *shader_stage_names[RenderingDevice::SHADER_STAGE_MAX] = {
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"Vertex",
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"Fragment",
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"TesselationControl",
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"TesselationEvaluation",
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"Compute"
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};
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static const char *shader_uniform_names[RenderingDevice::UNIFORM_TYPE_MAX] = {
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"Sampler", "CombinedSampler", "Texture", "Image", "TextureBuffer", "SamplerTextureBuffer", "ImageBuffer", "UniformBuffer", "StorageBuffer", "InputAttachment"
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};
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@ -4606,323 +4597,56 @@ struct RenderingDeviceVulkanShaderBinaryData {
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};
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Vector<uint8_t> RenderingDeviceVulkan::shader_compile_binary_from_spirv(const Vector<ShaderStageSPIRVData> &p_spirv, const String &p_shader_name) {
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RenderingDeviceVulkanShaderBinaryData binary_data{};
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SpirvReflectionData spirv_data;
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if (_reflect_spirv(p_spirv, spirv_data) != OK) {
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return Vector<uint8_t>();
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}
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ERR_FAIL_COND_V_MSG((uint32_t)spirv_data.uniforms.size() > limits.maxBoundDescriptorSets, Vector<uint8_t>(),
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"Number of uniform sets is larger than what is supported by the hardware (" + itos(limits.maxBoundDescriptorSets) + ").");
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// Collect reflection data into binary data.
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RenderingDeviceVulkanShaderBinaryData binary_data;
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Vector<Vector<RenderingDeviceVulkanShaderBinaryDataBinding>> uniform_info; // Set bindings.
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Vector<RenderingDeviceVulkanShaderBinarySpecializationConstant> specialization_constants;
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uint32_t stages_processed = 0;
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for (int i = 0; i < p_spirv.size(); i++) {
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if (p_spirv[i].shader_stage == SHADER_STAGE_COMPUTE) {
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binary_data.is_compute = true;
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ERR_FAIL_COND_V_MSG(p_spirv.size() != 1, Vector<uint8_t>(),
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"Compute shaders can only receive one stage, dedicated to compute.");
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}
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ERR_FAIL_COND_V_MSG(stages_processed & (1 << p_spirv[i].shader_stage), Vector<uint8_t>(),
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"Stage " + String(shader_stage_names[p_spirv[i].shader_stage]) + " submitted more than once.");
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{
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SpvReflectShaderModule module;
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const uint8_t *spirv = p_spirv[i].spir_v.ptr();
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SpvReflectResult result = spvReflectCreateShaderModule(p_spirv[i].spir_v.size(), spirv, &module);
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ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, Vector<uint8_t>(),
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"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed parsing shader.");
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if (binary_data.is_compute) {
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binary_data.compute_local_size[0] = module.entry_points->local_size.x;
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binary_data.compute_local_size[1] = module.entry_points->local_size.y;
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binary_data.compute_local_size[2] = module.entry_points->local_size.z;
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{
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binary_data.vertex_input_mask = spirv_data.vertex_input_mask;
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binary_data.fragment_output_mask = spirv_data.fragment_output_mask;
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binary_data.specialization_constants_count = spirv_data.specialization_constants.size();
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binary_data.is_compute = spirv_data.is_compute;
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binary_data.compute_local_size[0] = spirv_data.compute_local_size[0];
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binary_data.compute_local_size[1] = spirv_data.compute_local_size[1];
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binary_data.compute_local_size[2] = spirv_data.compute_local_size[2];
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binary_data.set_count = spirv_data.uniforms.size();
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binary_data.push_constant_size = spirv_data.push_constant_size;
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for (uint32_t i = 0; i < SHADER_STAGE_MAX; i++) {
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if (spirv_data.push_constant_stages_mask.has_flag((ShaderStage)(1 << i))) {
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binary_data.push_constant_vk_stages_mask |= shader_stage_masks[i];
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}
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uint32_t binding_count = 0;
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result = spvReflectEnumerateDescriptorBindings(&module, &binding_count, nullptr);
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ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, Vector<uint8_t>(),
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"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed enumerating descriptor bindings.");
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uint32_t stage = p_spirv[i].shader_stage;
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if (binding_count > 0) {
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// Parse bindings.
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Vector<SpvReflectDescriptorBinding *> bindings;
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bindings.resize(binding_count);
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result = spvReflectEnumerateDescriptorBindings(&module, &binding_count, bindings.ptrw());
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ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, Vector<uint8_t>(),
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"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed getting descriptor bindings.");
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for (uint32_t j = 0; j < binding_count; j++) {
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const SpvReflectDescriptorBinding &binding = *bindings[j];
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RenderingDeviceVulkanShaderBinaryDataBinding info{};
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bool need_array_dimensions = false;
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bool need_block_size = false;
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bool may_be_writable = false;
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switch (binding.descriptor_type) {
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case SPV_REFLECT_DESCRIPTOR_TYPE_SAMPLER: {
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info.type = UNIFORM_TYPE_SAMPLER;
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need_array_dimensions = true;
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} break;
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case SPV_REFLECT_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER: {
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info.type = UNIFORM_TYPE_SAMPLER_WITH_TEXTURE;
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need_array_dimensions = true;
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} break;
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case SPV_REFLECT_DESCRIPTOR_TYPE_SAMPLED_IMAGE: {
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info.type = UNIFORM_TYPE_TEXTURE;
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need_array_dimensions = true;
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} break;
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case SPV_REFLECT_DESCRIPTOR_TYPE_STORAGE_IMAGE: {
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info.type = UNIFORM_TYPE_IMAGE;
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need_array_dimensions = true;
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may_be_writable = true;
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} break;
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case SPV_REFLECT_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER: {
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info.type = UNIFORM_TYPE_TEXTURE_BUFFER;
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need_array_dimensions = true;
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} break;
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case SPV_REFLECT_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER: {
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info.type = UNIFORM_TYPE_IMAGE_BUFFER;
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need_array_dimensions = true;
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may_be_writable = true;
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} break;
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case SPV_REFLECT_DESCRIPTOR_TYPE_UNIFORM_BUFFER: {
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info.type = UNIFORM_TYPE_UNIFORM_BUFFER;
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need_block_size = true;
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} break;
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case SPV_REFLECT_DESCRIPTOR_TYPE_STORAGE_BUFFER: {
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info.type = UNIFORM_TYPE_STORAGE_BUFFER;
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need_block_size = true;
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may_be_writable = true;
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} break;
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case SPV_REFLECT_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC: {
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ERR_PRINT("Dynamic uniform buffer not supported.");
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continue;
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} break;
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case SPV_REFLECT_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC: {
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ERR_PRINT("Dynamic storage buffer not supported.");
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continue;
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} break;
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case SPV_REFLECT_DESCRIPTOR_TYPE_INPUT_ATTACHMENT: {
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info.type = UNIFORM_TYPE_INPUT_ATTACHMENT;
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need_array_dimensions = true;
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} break;
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case SPV_REFLECT_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR: {
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ERR_PRINT("Acceleration structure not supported.");
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continue;
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} break;
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}
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if (need_array_dimensions) {
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if (binding.array.dims_count == 0) {
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info.length = 1;
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} else {
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for (uint32_t k = 0; k < binding.array.dims_count; k++) {
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if (k == 0) {
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info.length = binding.array.dims[0];
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} else {
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info.length *= binding.array.dims[k];
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}
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}
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}
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} else if (need_block_size) {
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info.length = binding.block.size;
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} else {
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info.length = 0;
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}
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if (may_be_writable) {
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info.writable = !(binding.type_description->decoration_flags & SPV_REFLECT_DECORATION_NON_WRITABLE) && !(binding.block.decoration_flags & SPV_REFLECT_DECORATION_NON_WRITABLE);
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} else {
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info.writable = false;
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}
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info.binding = binding.binding;
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uint32_t set = binding.set;
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ERR_FAIL_COND_V_MSG(set >= MAX_UNIFORM_SETS, Vector<uint8_t>(),
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"On shader stage '" + String(shader_stage_names[stage]) + "', uniform '" + binding.name + "' uses a set (" + itos(set) + ") index larger than what is supported (" + itos(MAX_UNIFORM_SETS) + ").");
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ERR_FAIL_COND_V_MSG(set >= limits.maxBoundDescriptorSets, Vector<uint8_t>(),
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"On shader stage '" + String(shader_stage_names[stage]) + "', uniform '" + binding.name + "' uses a set (" + itos(set) + ") index larger than what is supported by the hardware (" + itos(limits.maxBoundDescriptorSets) + ").");
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if (set < (uint32_t)uniform_info.size()) {
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// Check if this already exists.
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bool exists = false;
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for (int k = 0; k < uniform_info[set].size(); k++) {
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if (uniform_info[set][k].binding == (uint32_t)info.binding) {
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// Already exists, verify that it's the same type.
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ERR_FAIL_COND_V_MSG(uniform_info[set][k].type != info.type, Vector<uint8_t>(),
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"On shader stage '" + String(shader_stage_names[stage]) + "', uniform '" + binding.name + "' trying to re-use location for set=" + itos(set) + ", binding=" + itos(info.binding) + " with different uniform type.");
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// Also, verify that it's the same size.
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ERR_FAIL_COND_V_MSG(uniform_info[set][k].length != info.length, Vector<uint8_t>(),
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"On shader stage '" + String(shader_stage_names[stage]) + "', uniform '" + binding.name + "' trying to re-use location for set=" + itos(set) + ", binding=" + itos(info.binding) + " with different uniform size.");
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// Also, verify that it has the same writability.
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ERR_FAIL_COND_V_MSG(uniform_info[set][k].writable != info.writable, Vector<uint8_t>(),
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"On shader stage '" + String(shader_stage_names[stage]) + "', uniform '" + binding.name + "' trying to re-use location for set=" + itos(set) + ", binding=" + itos(info.binding) + " with different writability.");
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// Just append stage mask and return.
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uniform_info.write[set].write[k].stages |= 1 << stage;
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exists = true;
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break;
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}
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}
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if (exists) {
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continue; // Merged.
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}
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}
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info.stages = 1 << stage;
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if (set >= (uint32_t)uniform_info.size()) {
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uniform_info.resize(set + 1);
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}
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uniform_info.write[set].push_back(info);
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}
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}
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{
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// Specialization constants.
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uint32_t sc_count = 0;
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result = spvReflectEnumerateSpecializationConstants(&module, &sc_count, nullptr);
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ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, Vector<uint8_t>(),
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"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed enumerating specialization constants.");
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if (sc_count) {
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Vector<SpvReflectSpecializationConstant *> spec_constants;
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spec_constants.resize(sc_count);
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result = spvReflectEnumerateSpecializationConstants(&module, &sc_count, spec_constants.ptrw());
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ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, Vector<uint8_t>(),
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"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed obtaining specialization constants.");
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for (uint32_t j = 0; j < sc_count; j++) {
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int32_t existing = -1;
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RenderingDeviceVulkanShaderBinarySpecializationConstant sconst{};
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SpvReflectSpecializationConstant *spc = spec_constants[j];
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sconst.constant_id = spc->constant_id;
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sconst.int_value = 0.0; // Clear previous value JIC.
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switch (spc->constant_type) {
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case SPV_REFLECT_SPECIALIZATION_CONSTANT_BOOL: {
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sconst.type = PIPELINE_SPECIALIZATION_CONSTANT_TYPE_BOOL;
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sconst.bool_value = spc->default_value.int_bool_value != 0;
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} break;
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case SPV_REFLECT_SPECIALIZATION_CONSTANT_INT: {
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sconst.type = PIPELINE_SPECIALIZATION_CONSTANT_TYPE_INT;
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sconst.int_value = spc->default_value.int_bool_value;
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} break;
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case SPV_REFLECT_SPECIALIZATION_CONSTANT_FLOAT: {
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sconst.type = PIPELINE_SPECIALIZATION_CONSTANT_TYPE_FLOAT;
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sconst.float_value = spc->default_value.float_value;
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} break;
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}
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sconst.stage_flags = 1 << p_spirv[i].shader_stage;
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for (int k = 0; k < specialization_constants.size(); k++) {
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if (specialization_constants[k].constant_id == sconst.constant_id) {
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ERR_FAIL_COND_V_MSG(specialization_constants[k].type != sconst.type, Vector<uint8_t>(), "More than one specialization constant used for id (" + itos(sconst.constant_id) + "), but their types differ.");
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ERR_FAIL_COND_V_MSG(specialization_constants[k].int_value != sconst.int_value, Vector<uint8_t>(), "More than one specialization constant used for id (" + itos(sconst.constant_id) + "), but their default values differ.");
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existing = k;
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break;
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}
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}
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if (existing > 0) {
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specialization_constants.write[existing].stage_flags |= sconst.stage_flags;
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} else {
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specialization_constants.push_back(sconst);
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}
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}
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}
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}
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if (stage == SHADER_STAGE_VERTEX) {
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uint32_t iv_count = 0;
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result = spvReflectEnumerateInputVariables(&module, &iv_count, nullptr);
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ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, Vector<uint8_t>(),
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"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed enumerating input variables.");
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if (iv_count) {
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Vector<SpvReflectInterfaceVariable *> input_vars;
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input_vars.resize(iv_count);
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result = spvReflectEnumerateInputVariables(&module, &iv_count, input_vars.ptrw());
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ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, Vector<uint8_t>(),
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"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed obtaining input variables.");
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for (uint32_t j = 0; j < iv_count; j++) {
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if (input_vars[j] && input_vars[j]->decoration_flags == 0) { // Regular input.
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binary_data.vertex_input_mask |= (1 << uint32_t(input_vars[j]->location));
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}
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}
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}
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}
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if (stage == SHADER_STAGE_FRAGMENT) {
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uint32_t ov_count = 0;
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result = spvReflectEnumerateOutputVariables(&module, &ov_count, nullptr);
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ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, Vector<uint8_t>(),
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"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed enumerating output variables.");
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if (ov_count) {
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Vector<SpvReflectInterfaceVariable *> output_vars;
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output_vars.resize(ov_count);
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result = spvReflectEnumerateOutputVariables(&module, &ov_count, output_vars.ptrw());
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ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, Vector<uint8_t>(),
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"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed obtaining output variables.");
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for (uint32_t j = 0; j < ov_count; j++) {
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const SpvReflectInterfaceVariable *refvar = output_vars[j];
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if (refvar != nullptr && refvar->built_in != SpvBuiltInFragDepth) {
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binary_data.fragment_output_mask |= 1 << refvar->location;
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}
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}
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}
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}
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uint32_t pc_count = 0;
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result = spvReflectEnumeratePushConstantBlocks(&module, &pc_count, nullptr);
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ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, Vector<uint8_t>(),
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"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed enumerating push constants.");
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if (pc_count) {
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ERR_FAIL_COND_V_MSG(pc_count > 1, Vector<uint8_t>(),
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"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "': Only one push constant is supported, which should be the same across shader stages.");
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Vector<SpvReflectBlockVariable *> pconstants;
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pconstants.resize(pc_count);
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result = spvReflectEnumeratePushConstantBlocks(&module, &pc_count, pconstants.ptrw());
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ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, Vector<uint8_t>(),
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"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed obtaining push constants.");
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#if 0
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if (pconstants[0] == nullptr) {
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Ref<FileAccess> f = FileAccess::open("res://popo.spv", FileAccess::WRITE);
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f->store_buffer((const uint8_t *)&SpirV[0], SpirV.size() * sizeof(uint32_t));
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}
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#endif
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ERR_FAIL_COND_V_MSG(binary_data.push_constant_size && binary_data.push_constant_size != pconstants[0]->size, Vector<uint8_t>(),
|
||||
"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "': Push constant block must be the same across shader stages.");
|
||||
|
||||
binary_data.push_constant_size = pconstants[0]->size;
|
||||
binary_data.push_constant_vk_stages_mask |= shader_stage_masks[stage];
|
||||
|
||||
//print_line("Stage: " + String(shader_stage_names[stage]) + " push constant of size=" + itos(push_constant.size));
|
||||
}
|
||||
|
||||
// Destroy the reflection data when no longer required.
|
||||
spvReflectDestroyShaderModule(&module);
|
||||
}
|
||||
|
||||
stages_processed |= (1 << p_spirv[i].shader_stage);
|
||||
for (const Vector<SpirvReflectionData::Uniform> &spirv_set : spirv_data.uniforms) {
|
||||
Vector<RenderingDeviceVulkanShaderBinaryDataBinding> set_bindings;
|
||||
for (const SpirvReflectionData::Uniform &spirv_uniform : spirv_set) {
|
||||
RenderingDeviceVulkanShaderBinaryDataBinding binding{};
|
||||
binding.type = (uint32_t)spirv_uniform.type;
|
||||
binding.binding = spirv_uniform.binding;
|
||||
binding.stages = (uint32_t)spirv_uniform.stages_mask;
|
||||
binding.length = spirv_uniform.length;
|
||||
binding.writable = (uint32_t)spirv_uniform.writable;
|
||||
set_bindings.push_back(binding);
|
||||
}
|
||||
uniform_info.push_back(set_bindings);
|
||||
}
|
||||
|
||||
for (const SpirvReflectionData::SpecializationConstant &spirv_sc : spirv_data.specialization_constants) {
|
||||
RenderingDeviceVulkanShaderBinarySpecializationConstant spec_constant{};
|
||||
spec_constant.type = (uint32_t)spirv_sc.type;
|
||||
spec_constant.constant_id = spirv_sc.constant_id;
|
||||
spec_constant.int_value = spirv_sc.int_value;
|
||||
spec_constant.stage_flags = (uint32_t)spirv_sc.stages_mask;
|
||||
specialization_constants.push_back(spec_constant);
|
||||
}
|
||||
}
|
||||
|
||||
Vector<Vector<uint8_t>> compressed_stages;
|
||||
|
|
|
|||
|
|
@ -543,10 +543,6 @@ class RenderingDeviceVulkan : public RenderingDevice {
|
|||
// As a result, we need to figure out quickly when something is no longer "compatible".
|
||||
// in order to avoid costly rebinds.
|
||||
|
||||
enum {
|
||||
MAX_UNIFORM_SETS = 16
|
||||
};
|
||||
|
||||
struct UniformInfo {
|
||||
UniformType type = UniformType::UNIFORM_TYPE_MAX;
|
||||
bool writable = false;
|
||||
|
|
|
|||
|
|
@ -9,4 +9,5 @@ SConscript("environment/SCsub")
|
|||
SConscript("forward_clustered/SCsub")
|
||||
SConscript("forward_mobile/SCsub")
|
||||
SConscript("shaders/SCsub")
|
||||
SConscript("spirv-reflect/SCsub")
|
||||
SConscript("storage_rd/SCsub")
|
||||
|
|
|
|||
|
|
@ -14,4 +14,4 @@ thirdparty_sources = [thirdparty_dir + file for file in thirdparty_sources]
|
|||
env_thirdparty = env.Clone()
|
||||
env_thirdparty.disable_warnings()
|
||||
|
||||
env_thirdparty.add_source_files(env.drivers_sources, thirdparty_sources)
|
||||
env_thirdparty.add_source_files(env.servers_sources, thirdparty_sources)
|
||||
|
|
@ -32,8 +32,18 @@
|
|||
|
||||
#include "rendering_device_binds.h"
|
||||
|
||||
#include "thirdparty/spirv-reflect/spirv_reflect.h"
|
||||
|
||||
RenderingDevice *RenderingDevice::singleton = nullptr;
|
||||
|
||||
const char *RenderingDevice::shader_stage_names[RenderingDevice::SHADER_STAGE_MAX] = {
|
||||
"Vertex",
|
||||
"Fragment",
|
||||
"TesselationControl",
|
||||
"TesselationEvaluation",
|
||||
"Compute",
|
||||
};
|
||||
|
||||
RenderingDevice *RenderingDevice::get_singleton() {
|
||||
return singleton;
|
||||
}
|
||||
|
|
@ -368,6 +378,323 @@ void RenderingDevice::_compute_list_set_push_constant(ComputeListID p_list, cons
|
|||
compute_list_set_push_constant(p_list, p_data.ptr(), p_data_size);
|
||||
}
|
||||
|
||||
Error RenderingDevice::_reflect_spirv(const Vector<ShaderStageSPIRVData> &p_spirv, SpirvReflectionData &r_reflection_data) {
|
||||
r_reflection_data = {};
|
||||
|
||||
for (int i = 0; i < p_spirv.size(); i++) {
|
||||
ShaderStage stage = p_spirv[i].shader_stage;
|
||||
ShaderStage stage_flag = (ShaderStage)(1 << p_spirv[i].shader_stage);
|
||||
|
||||
if (p_spirv[i].shader_stage == SHADER_STAGE_COMPUTE) {
|
||||
r_reflection_data.is_compute = true;
|
||||
ERR_FAIL_COND_V_MSG(p_spirv.size() != 1, FAILED,
|
||||
"Compute shaders can only receive one stage, dedicated to compute.");
|
||||
}
|
||||
ERR_FAIL_COND_V_MSG(r_reflection_data.stages_mask.has_flag(stage_flag), FAILED,
|
||||
"Stage " + String(shader_stage_names[p_spirv[i].shader_stage]) + " submitted more than once.");
|
||||
|
||||
{
|
||||
SpvReflectShaderModule module;
|
||||
const uint8_t *spirv = p_spirv[i].spir_v.ptr();
|
||||
SpvReflectResult result = spvReflectCreateShaderModule(p_spirv[i].spir_v.size(), spirv, &module);
|
||||
ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, FAILED,
|
||||
"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed parsing shader.");
|
||||
|
||||
if (r_reflection_data.is_compute) {
|
||||
r_reflection_data.compute_local_size[0] = module.entry_points->local_size.x;
|
||||
r_reflection_data.compute_local_size[1] = module.entry_points->local_size.y;
|
||||
r_reflection_data.compute_local_size[2] = module.entry_points->local_size.z;
|
||||
}
|
||||
uint32_t binding_count = 0;
|
||||
result = spvReflectEnumerateDescriptorBindings(&module, &binding_count, nullptr);
|
||||
ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, FAILED,
|
||||
"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed enumerating descriptor bindings.");
|
||||
|
||||
if (binding_count > 0) {
|
||||
// Parse bindings.
|
||||
|
||||
Vector<SpvReflectDescriptorBinding *> bindings;
|
||||
bindings.resize(binding_count);
|
||||
result = spvReflectEnumerateDescriptorBindings(&module, &binding_count, bindings.ptrw());
|
||||
|
||||
ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, FAILED,
|
||||
"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed getting descriptor bindings.");
|
||||
|
||||
for (uint32_t j = 0; j < binding_count; j++) {
|
||||
const SpvReflectDescriptorBinding &binding = *bindings[j];
|
||||
|
||||
SpirvReflectionData::Uniform info{};
|
||||
|
||||
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: {
|
||||
info.type = UNIFORM_TYPE_SAMPLER;
|
||||
need_array_dimensions = true;
|
||||
} break;
|
||||
case SPV_REFLECT_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER: {
|
||||
info.type = UNIFORM_TYPE_SAMPLER_WITH_TEXTURE;
|
||||
need_array_dimensions = true;
|
||||
} break;
|
||||
case SPV_REFLECT_DESCRIPTOR_TYPE_SAMPLED_IMAGE: {
|
||||
info.type = UNIFORM_TYPE_TEXTURE;
|
||||
need_array_dimensions = true;
|
||||
} break;
|
||||
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;
|
||||
need_array_dimensions = true;
|
||||
} break;
|
||||
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;
|
||||
need_block_size = true;
|
||||
} break;
|
||||
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.");
|
||||
continue;
|
||||
} break;
|
||||
case SPV_REFLECT_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC: {
|
||||
ERR_PRINT("Dynamic storage buffer not supported.");
|
||||
continue;
|
||||
} break;
|
||||
case SPV_REFLECT_DESCRIPTOR_TYPE_INPUT_ATTACHMENT: {
|
||||
info.type = UNIFORM_TYPE_INPUT_ATTACHMENT;
|
||||
need_array_dimensions = true;
|
||||
} break;
|
||||
case SPV_REFLECT_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR: {
|
||||
ERR_PRINT("Acceleration structure not supported.");
|
||||
continue;
|
||||
} break;
|
||||
}
|
||||
|
||||
if (need_array_dimensions) {
|
||||
if (binding.array.dims_count == 0) {
|
||||
info.length = 1;
|
||||
} else {
|
||||
for (uint32_t k = 0; k < binding.array.dims_count; k++) {
|
||||
if (k == 0) {
|
||||
info.length = binding.array.dims[0];
|
||||
} else {
|
||||
info.length *= binding.array.dims[k];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
} else if (need_block_size) {
|
||||
info.length = binding.block.size;
|
||||
} else {
|
||||
info.length = 0;
|
||||
}
|
||||
|
||||
if (may_be_writable) {
|
||||
info.writable = !(binding.type_description->decoration_flags & SPV_REFLECT_DECORATION_NON_WRITABLE) && !(binding.block.decoration_flags & SPV_REFLECT_DECORATION_NON_WRITABLE);
|
||||
} else {
|
||||
info.writable = false;
|
||||
}
|
||||
|
||||
info.binding = binding.binding;
|
||||
uint32_t set = binding.set;
|
||||
|
||||
ERR_FAIL_COND_V_MSG(set >= MAX_UNIFORM_SETS, FAILED,
|
||||
"On shader stage '" + String(shader_stage_names[stage]) + "', uniform '" + binding.name + "' uses a set (" + itos(set) + ") index larger than what is supported (" + itos(MAX_UNIFORM_SETS) + ").");
|
||||
|
||||
if (set < (uint32_t)r_reflection_data.uniforms.size()) {
|
||||
// Check if this already exists.
|
||||
bool exists = false;
|
||||
for (int k = 0; k < r_reflection_data.uniforms[set].size(); k++) {
|
||||
if (r_reflection_data.uniforms[set][k].binding == (uint32_t)info.binding) {
|
||||
// Already exists, verify that it's the same type.
|
||||
ERR_FAIL_COND_V_MSG(r_reflection_data.uniforms[set][k].type != info.type, FAILED,
|
||||
"On shader stage '" + String(shader_stage_names[stage]) + "', uniform '" + binding.name + "' trying to re-use location for set=" + itos(set) + ", binding=" + itos(info.binding) + " with different uniform type.");
|
||||
|
||||
// Also, verify that it's the same size.
|
||||
ERR_FAIL_COND_V_MSG(r_reflection_data.uniforms[set][k].length != info.length, FAILED,
|
||||
"On shader stage '" + String(shader_stage_names[stage]) + "', uniform '" + binding.name + "' trying to re-use location for set=" + itos(set) + ", binding=" + itos(info.binding) + " with different uniform size.");
|
||||
|
||||
// Also, verify that it has the same writability.
|
||||
ERR_FAIL_COND_V_MSG(r_reflection_data.uniforms[set][k].writable != info.writable, FAILED,
|
||||
"On shader stage '" + String(shader_stage_names[stage]) + "', uniform '" + binding.name + "' trying to re-use location for set=" + itos(set) + ", binding=" + itos(info.binding) + " with different writability.");
|
||||
|
||||
// Just append stage mask and return.
|
||||
r_reflection_data.uniforms.write[set].write[k].stages_mask.set_flag(stage_flag);
|
||||
exists = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (exists) {
|
||||
continue; // Merged.
|
||||
}
|
||||
}
|
||||
|
||||
info.stages_mask.set_flag(stage_flag);
|
||||
|
||||
if (set >= (uint32_t)r_reflection_data.uniforms.size()) {
|
||||
r_reflection_data.uniforms.resize(set + 1);
|
||||
}
|
||||
|
||||
r_reflection_data.uniforms.write[set].push_back(info);
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
// Specialization constants.
|
||||
|
||||
uint32_t sc_count = 0;
|
||||
result = spvReflectEnumerateSpecializationConstants(&module, &sc_count, nullptr);
|
||||
ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, FAILED,
|
||||
"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed enumerating specialization constants.");
|
||||
|
||||
if (sc_count) {
|
||||
Vector<SpvReflectSpecializationConstant *> spec_constants;
|
||||
spec_constants.resize(sc_count);
|
||||
|
||||
result = spvReflectEnumerateSpecializationConstants(&module, &sc_count, spec_constants.ptrw());
|
||||
ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, FAILED,
|
||||
"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed obtaining specialization constants.");
|
||||
|
||||
for (uint32_t j = 0; j < sc_count; j++) {
|
||||
int32_t existing = -1;
|
||||
SpirvReflectionData::SpecializationConstant sconst{};
|
||||
SpvReflectSpecializationConstant *spc = spec_constants[j];
|
||||
|
||||
sconst.constant_id = spc->constant_id;
|
||||
sconst.int_value = 0; // Clear previous value JIC.
|
||||
switch (spc->constant_type) {
|
||||
case SPV_REFLECT_SPECIALIZATION_CONSTANT_BOOL: {
|
||||
sconst.type = PIPELINE_SPECIALIZATION_CONSTANT_TYPE_BOOL;
|
||||
sconst.bool_value = spc->default_value.int_bool_value != 0;
|
||||
} break;
|
||||
case SPV_REFLECT_SPECIALIZATION_CONSTANT_INT: {
|
||||
sconst.type = PIPELINE_SPECIALIZATION_CONSTANT_TYPE_INT;
|
||||
sconst.int_value = spc->default_value.int_bool_value;
|
||||
} break;
|
||||
case SPV_REFLECT_SPECIALIZATION_CONSTANT_FLOAT: {
|
||||
sconst.type = PIPELINE_SPECIALIZATION_CONSTANT_TYPE_FLOAT;
|
||||
sconst.float_value = spc->default_value.float_value;
|
||||
} break;
|
||||
}
|
||||
sconst.stages_mask.set_flag(stage_flag);
|
||||
|
||||
for (int k = 0; k < r_reflection_data.specialization_constants.size(); k++) {
|
||||
if (r_reflection_data.specialization_constants[k].constant_id == sconst.constant_id) {
|
||||
ERR_FAIL_COND_V_MSG(r_reflection_data.specialization_constants[k].type != sconst.type, FAILED, "More than one specialization constant used for id (" + itos(sconst.constant_id) + "), but their types differ.");
|
||||
ERR_FAIL_COND_V_MSG(r_reflection_data.specialization_constants[k].int_value != sconst.int_value, FAILED, "More than one specialization constant used for id (" + itos(sconst.constant_id) + "), but their default values differ.");
|
||||
existing = k;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (existing > 0) {
|
||||
r_reflection_data.specialization_constants.write[existing].stages_mask.set_flag(stage_flag);
|
||||
} else {
|
||||
r_reflection_data.specialization_constants.push_back(sconst);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (stage == SHADER_STAGE_VERTEX) {
|
||||
uint32_t iv_count = 0;
|
||||
result = spvReflectEnumerateInputVariables(&module, &iv_count, nullptr);
|
||||
ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, FAILED,
|
||||
"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed enumerating input variables.");
|
||||
|
||||
if (iv_count) {
|
||||
Vector<SpvReflectInterfaceVariable *> input_vars;
|
||||
input_vars.resize(iv_count);
|
||||
|
||||
result = spvReflectEnumerateInputVariables(&module, &iv_count, input_vars.ptrw());
|
||||
ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, FAILED,
|
||||
"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed obtaining input variables.");
|
||||
|
||||
for (uint32_t j = 0; j < iv_count; j++) {
|
||||
if (input_vars[j] && input_vars[j]->decoration_flags == 0) { // Regular input.
|
||||
r_reflection_data.vertex_input_mask |= (1 << uint32_t(input_vars[j]->location));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (stage == SHADER_STAGE_FRAGMENT) {
|
||||
uint32_t ov_count = 0;
|
||||
result = spvReflectEnumerateOutputVariables(&module, &ov_count, nullptr);
|
||||
ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, FAILED,
|
||||
"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed enumerating output variables.");
|
||||
|
||||
if (ov_count) {
|
||||
Vector<SpvReflectInterfaceVariable *> output_vars;
|
||||
output_vars.resize(ov_count);
|
||||
|
||||
result = spvReflectEnumerateOutputVariables(&module, &ov_count, output_vars.ptrw());
|
||||
ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, FAILED,
|
||||
"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed obtaining output variables.");
|
||||
|
||||
for (uint32_t j = 0; j < ov_count; j++) {
|
||||
const SpvReflectInterfaceVariable *refvar = output_vars[j];
|
||||
if (refvar != nullptr && refvar->built_in != SpvBuiltInFragDepth) {
|
||||
r_reflection_data.fragment_output_mask |= 1 << refvar->location;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
uint32_t pc_count = 0;
|
||||
result = spvReflectEnumeratePushConstantBlocks(&module, &pc_count, nullptr);
|
||||
ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, FAILED,
|
||||
"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed enumerating push constants.");
|
||||
|
||||
if (pc_count) {
|
||||
ERR_FAIL_COND_V_MSG(pc_count > 1, FAILED,
|
||||
"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "': Only one push constant is supported, which should be the same across shader stages.");
|
||||
|
||||
Vector<SpvReflectBlockVariable *> pconstants;
|
||||
pconstants.resize(pc_count);
|
||||
result = spvReflectEnumeratePushConstantBlocks(&module, &pc_count, pconstants.ptrw());
|
||||
ERR_FAIL_COND_V_MSG(result != SPV_REFLECT_RESULT_SUCCESS, FAILED,
|
||||
"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "' failed obtaining push constants.");
|
||||
#if 0
|
||||
if (pconstants[0] == nullptr) {
|
||||
Ref<FileAccess> f = FileAccess::open("res://popo.spv", FileAccess::WRITE);
|
||||
f->store_buffer((const uint8_t *)&SpirV[0], SpirV.size() * sizeof(uint32_t));
|
||||
}
|
||||
#endif
|
||||
|
||||
ERR_FAIL_COND_V_MSG(r_reflection_data.push_constant_size && r_reflection_data.push_constant_size != pconstants[0]->size, FAILED,
|
||||
"Reflection of SPIR-V shader stage '" + String(shader_stage_names[p_spirv[i].shader_stage]) + "': Push constant block must be the same across shader stages.");
|
||||
|
||||
r_reflection_data.push_constant_size = pconstants[0]->size;
|
||||
r_reflection_data.push_constant_stages_mask.set_flag(stage_flag);
|
||||
|
||||
//print_line("Stage: " + String(shader_stage_names[stage]) + " push constant of size=" + itos(push_constant.push_constant_size));
|
||||
}
|
||||
|
||||
// Destroy the reflection data when no longer required.
|
||||
spvReflectDestroyShaderModule(&module);
|
||||
}
|
||||
|
||||
r_reflection_data.stages_mask.set_flag(stage_flag);
|
||||
}
|
||||
|
||||
return OK;
|
||||
}
|
||||
|
||||
void RenderingDevice::_bind_methods() {
|
||||
ClassDB::bind_method(D_METHOD("texture_create", "format", "view", "data"), &RenderingDevice::_texture_create, DEFVAL(Array()));
|
||||
ClassDB::bind_method(D_METHOD("texture_create_shared", "view", "with_texture"), &RenderingDevice::_texture_create_shared);
|
||||
|
|
|
|||
|
|
@ -1301,6 +1301,10 @@ public:
|
|||
RenderingDevice();
|
||||
|
||||
protected:
|
||||
static const char *shader_stage_names[RenderingDevice::SHADER_STAGE_MAX];
|
||||
|
||||
static const uint32_t MAX_UNIFORM_SETS = 16;
|
||||
|
||||
//binders to script API
|
||||
RID _texture_create(const Ref<RDTextureFormat> &p_format, const Ref<RDTextureView> &p_view, const TypedArray<PackedByteArray> &p_data = Array());
|
||||
RID _texture_create_shared(const Ref<RDTextureView> &p_view, RID p_with_texture);
|
||||
|
|
@ -1329,6 +1333,39 @@ protected:
|
|||
void _draw_list_set_push_constant(DrawListID p_list, const Vector<uint8_t> &p_data, uint32_t p_data_size);
|
||||
void _compute_list_set_push_constant(ComputeListID p_list, const Vector<uint8_t> &p_data, uint32_t p_data_size);
|
||||
Vector<int64_t> _draw_list_switch_to_next_pass_split(uint32_t p_splits);
|
||||
|
||||
struct SpirvReflectionData {
|
||||
BitField<ShaderStage> stages_mask;
|
||||
uint32_t vertex_input_mask;
|
||||
uint32_t fragment_output_mask;
|
||||
bool is_compute;
|
||||
uint32_t compute_local_size[3];
|
||||
uint32_t push_constant_size;
|
||||
BitField<ShaderStage> push_constant_stages_mask;
|
||||
|
||||
struct Uniform {
|
||||
UniformType type;
|
||||
uint32_t binding;
|
||||
BitField<ShaderStage> stages_mask;
|
||||
uint32_t length; // Size of arrays (in total elements), or ubos (in bytes * total elements).
|
||||
bool writable;
|
||||
};
|
||||
Vector<Vector<Uniform>> uniforms;
|
||||
|
||||
struct SpecializationConstant {
|
||||
PipelineSpecializationConstantType type;
|
||||
uint32_t constant_id;
|
||||
union {
|
||||
uint32_t int_value;
|
||||
float float_value;
|
||||
bool bool_value;
|
||||
};
|
||||
BitField<ShaderStage> stages_mask;
|
||||
};
|
||||
Vector<SpecializationConstant> specialization_constants;
|
||||
};
|
||||
|
||||
Error _reflect_spirv(const Vector<ShaderStageSPIRVData> &p_spirv, SpirvReflectionData &r_reflection_data);
|
||||
};
|
||||
|
||||
VARIANT_ENUM_CAST(RenderingDevice::DeviceType)
|
||||
|
|
|
|||
Loading…
Reference in New Issue