initial commit, 4.5 stable

drivers/vulkan/rendering_shader_container_vulkan.cpp

@@ -0,0 +1,111 @@
+/**************************************************************************/
+/*  rendering_shader_container_vulkan.cpp                                 */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* Permission is hereby granted, free of charge, to any person obtaining  */
+/* a copy of this software and associated documentation files (the        */
+/* "Software"), to deal in the Software without restriction, including    */
+/* without limitation the rights to use, copy, modify, merge, publish,    */
+/* distribute, sublicense, and/or sell copies of the Software, and to     */
+/* permit persons to whom the Software is furnished to do so, subject to  */
+/* the following conditions:                                              */
+/*                                                                        */
+/* The above copyright notice and this permission notice shall be         */
+/* included in all copies or substantial portions of the Software.        */
+/*                                                                        */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                 */
+/**************************************************************************/
+
+#include "rendering_shader_container_vulkan.h"
+
+#include "thirdparty/misc/smolv.h"
+
+// RenderingShaderContainerVulkan
+
+const uint32_t RenderingShaderContainerVulkan::FORMAT_VERSION = 1;
+
+uint32_t RenderingShaderContainerVulkan::_format() const {
+	return 0x43565053;
+}
+
+uint32_t RenderingShaderContainerVulkan::_format_version() const {
+	return FORMAT_VERSION;
+}
+
+bool RenderingShaderContainerVulkan::_set_code_from_spirv(const Vector<RenderingDeviceCommons::ShaderStageSPIRVData> &p_spirv) {
+	PackedByteArray code_bytes;
+	shaders.resize(p_spirv.size());
+	for (int64_t i = 0; i < p_spirv.size(); i++) {
+		RenderingShaderContainer::Shader &shader = shaders.ptrw()[i];
+
+		if (debug_info_enabled) {
+			// Store SPIR-V as is when debug info is required.
+			shader.code_compressed_bytes = p_spirv[i].spirv;
+			shader.code_compression_flags = 0;
+			shader.code_decompressed_size = 0;
+		} else {
+			// Encode into smolv.
+			smolv::ByteArray smolv_bytes;
+			bool smolv_encoded = smolv::Encode(p_spirv[i].spirv.ptr(), p_spirv[i].spirv.size(), smolv_bytes, smolv::kEncodeFlagStripDebugInfo);
+			ERR_FAIL_COND_V_MSG(!smolv_encoded, false, "Failed to compress SPIR-V into smolv.");
+
+			code_bytes.resize(smolv_bytes.size());
+			memcpy(code_bytes.ptrw(), smolv_bytes.data(), code_bytes.size());
+
+			// Compress.
+			uint32_t compressed_size = 0;
+			shader.code_decompressed_size = code_bytes.size();
+			shader.code_compressed_bytes.resize(code_bytes.size());
+
+			bool compressed = compress_code(code_bytes.ptr(), code_bytes.size(), shader.code_compressed_bytes.ptrw(), &compressed_size, &shader.code_compression_flags);
+			ERR_FAIL_COND_V_MSG(!compressed, false, vformat("Failed to compress native code to native for SPIR-V #%d.", i));
+
+			shader.code_compressed_bytes.resize(compressed_size);
+
+			// Indicate it uses smolv for compression.
+			shader.code_compression_flags |= COMPRESSION_FLAG_SMOLV;
+		}
+
+		shader.shader_stage = p_spirv[i].shader_stage;
+	}
+
+	return true;
+}
+
+RenderingShaderContainerVulkan::RenderingShaderContainerVulkan(bool p_debug_info_enabled) {
+	debug_info_enabled = p_debug_info_enabled;
+}
+
+// RenderingShaderContainerFormatVulkan
+
+Ref<RenderingShaderContainer> RenderingShaderContainerFormatVulkan::create_container() const {
+	return memnew(RenderingShaderContainerVulkan(debug_info_enabled));
+}
+
+RenderingDeviceCommons::ShaderLanguageVersion RenderingShaderContainerFormatVulkan::get_shader_language_version() const {
+	return SHADER_LANGUAGE_VULKAN_VERSION_1_1;
+}
+
+RenderingDeviceCommons::ShaderSpirvVersion RenderingShaderContainerFormatVulkan::get_shader_spirv_version() const {
+	return SHADER_SPIRV_VERSION_1_3;
+}
+
+void RenderingShaderContainerFormatVulkan::set_debug_info_enabled(bool p_debug_info_enabled) {
+	debug_info_enabled = p_debug_info_enabled;
+}
+
+RenderingShaderContainerFormatVulkan::RenderingShaderContainerFormatVulkan() {}
+
+RenderingShaderContainerFormatVulkan::~RenderingShaderContainerFormatVulkan() {}