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diff --git a/modules/openxr/extensions/openxr_opengl_extension.cpp b/modules/openxr/extensions/openxr_opengl_extension.cpp
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+/*************************************************************************/
+/* openxr_opengl_extension.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
+/* */
+/* 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. */
+/*************************************************************************/
+
+#ifdef GLES3_ENABLED
+
+#include "../extensions/openxr_opengl_extension.h"
+#include "../openxr_util.h"
+#include "drivers/gles3/effects/copy_effects.h"
+#include "drivers/gles3/storage/texture_storage.h"
+#include "servers/rendering/rendering_server_globals.h"
+#include "servers/rendering_server.h"
+
+OpenXROpenGLExtension::OpenXROpenGLExtension(OpenXRAPI *p_openxr_api) :
+ OpenXRGraphicsExtensionWrapper(p_openxr_api) {
+#ifdef ANDROID_ENABLED
+ request_extensions[XR_KHR_OPENGL_ES_ENABLE_EXTENSION_NAME] = nullptr;
+#else
+ request_extensions[XR_KHR_OPENGL_ENABLE_EXTENSION_NAME] = nullptr;
+#endif
+
+ ERR_FAIL_NULL(openxr_api);
+}
+
+OpenXROpenGLExtension::~OpenXROpenGLExtension() {
+}
+
+void OpenXROpenGLExtension::on_instance_created(const XrInstance p_instance) {
+ ERR_FAIL_NULL(openxr_api);
+
+ // Obtain pointers to functions we're accessing here.
+
+#ifdef ANDROID_ENABLED
+ EXT_INIT_XR_FUNC(xrGetOpenGLESGraphicsRequirementsKHR);
+#else
+ EXT_INIT_XR_FUNC(xrGetOpenGLGraphicsRequirementsKHR);
+#endif
+ EXT_INIT_XR_FUNC(xrEnumerateSwapchainImages);
+}
+
+bool OpenXROpenGLExtension::check_graphics_api_support(XrVersion p_desired_version) {
+ ERR_FAIL_NULL_V(openxr_api, false);
+
+ XrSystemId system_id = openxr_api->get_system_id();
+ XrInstance instance = openxr_api->get_instance();
+
+#ifdef ANDROID_ENABLED
+ XrGraphicsRequirementsOpenGLESKHR opengl_requirements;
+ opengl_requirements.type = XR_TYPE_GRAPHICS_REQUIREMENTS_OPENGL_ES_KHR;
+ opengl_requirements.next = nullptr;
+
+ XrResult result = xrGetOpenGLESGraphicsRequirementsKHR(instance, system_id, &opengl_requirements);
+ if (!openxr_api->xr_result(result, "Failed to get OpenGL graphics requirements!")) {
+ return false;
+ }
+#else
+ XrGraphicsRequirementsOpenGLKHR opengl_requirements;
+ opengl_requirements.type = XR_TYPE_GRAPHICS_REQUIREMENTS_OPENGL_KHR;
+ opengl_requirements.next = nullptr;
+
+ XrResult result = xrGetOpenGLGraphicsRequirementsKHR(instance, system_id, &opengl_requirements);
+ if (!openxr_api->xr_result(result, "Failed to get OpenGL graphics requirements!")) {
+ return false;
+ }
+#endif
+
+ if (p_desired_version < opengl_requirements.minApiVersionSupported) {
+ print_line("OpenXR: Requested OpenGL version does not meet the minimum version this runtime supports.");
+ print_line("- desired_version ", OpenXRUtil::make_xr_version_string(p_desired_version));
+ print_line("- minApiVersionSupported ", OpenXRUtil::make_xr_version_string(opengl_requirements.minApiVersionSupported));
+ print_line("- maxApiVersionSupported ", OpenXRUtil::make_xr_version_string(opengl_requirements.maxApiVersionSupported));
+ return false;
+ }
+
+ if (p_desired_version > opengl_requirements.maxApiVersionSupported) {
+ print_line("OpenXR: Requested OpenGL version exceeds the maximum version this runtime has been tested on and is known to support.");
+ print_line("- desired_version ", OpenXRUtil::make_xr_version_string(p_desired_version));
+ print_line("- minApiVersionSupported ", OpenXRUtil::make_xr_version_string(opengl_requirements.minApiVersionSupported));
+ print_line("- maxApiVersionSupported ", OpenXRUtil::make_xr_version_string(opengl_requirements.maxApiVersionSupported));
+ }
+
+ return true;
+}
+
+#ifdef WIN32
+XrGraphicsBindingOpenGLWin32KHR OpenXROpenGLExtension::graphics_binding_gl;
+#elif ANDROID_ENABLED
+XrGraphicsBindingOpenGLESAndroidKHR OpenXROpenGLExtension::graphics_binding_gl;
+#else
+XrGraphicsBindingOpenGLXlibKHR OpenXROpenGLExtension::graphics_binding_gl;
+#endif
+
+void *OpenXROpenGLExtension::set_session_create_and_get_next_pointer(void *p_next_pointer) {
+ XrVersion desired_version = XR_MAKE_VERSION(3, 3, 0);
+
+ if (!check_graphics_api_support(desired_version)) {
+ print_line("OpenXR: Trying to initialize with OpenGL anyway...");
+ //return p_next_pointer;
+ }
+
+ DisplayServer *display_server = DisplayServer::get_singleton();
+
+#ifdef WIN32
+ graphics_binding_gl.type = XR_TYPE_GRAPHICS_BINDING_OPENGL_WIN32_KHR,
+ graphics_binding_gl.next = p_next_pointer;
+
+ graphics_binding_gl.hDC = (HDC)display_server->window_get_native_handle(DisplayServer::WINDOW_VIEW);
+ graphics_binding_gl.hGLRC = (HGLRC)display_server->window_get_native_handle(DisplayServer::OPENGL_CONTEXT);
+#elif ANDROID_ENABLED
+ graphics_binding_gl.type = XR_TYPE_GRAPHICS_BINDING_OPENGL_ES_ANDROID_KHR;
+ graphics_binding_gl.next = p_next_pointer;
+
+ graphics_binding_gl.display = eglGetCurrentDisplay();
+ graphics_binding_gl.config = (EGLConfig)0; // https://github.com/KhronosGroup/OpenXR-SDK-Source/blob/master/src/tests/hello_xr/graphicsplugin_opengles.cpp#L122
+ graphics_binding_gl.context = eglGetCurrentContext();
+#else
+ graphics_binding_gl.type = XR_TYPE_GRAPHICS_BINDING_OPENGL_XLIB_KHR;
+ graphics_binding_gl.next = p_next_pointer;
+
+ void *display_handle = (void *)display_server->window_get_native_handle(DisplayServer::DISPLAY_HANDLE);
+ void *glxcontext_handle = (void *)display_server->window_get_native_handle(DisplayServer::OPENGL_CONTEXT);
+ void *glxdrawable_handle = (void *)display_server->window_get_native_handle(DisplayServer::WINDOW_HANDLE);
+
+ graphics_binding_gl.xDisplay = (Display *)display_handle;
+ graphics_binding_gl.glxContext = (GLXContext)glxcontext_handle;
+ graphics_binding_gl.glxDrawable = (GLXDrawable)glxdrawable_handle;
+
+ // spec says to use proper values but runtimes don't care
+ graphics_binding_gl.visualid = 0;
+ graphics_binding_gl.glxFBConfig = 0;
+#endif
+
+ return &graphics_binding_gl;
+}
+
+void OpenXROpenGLExtension::get_usable_swapchain_formats(Vector<int64_t> &p_usable_swap_chains) {
+#ifdef WIN32
+ p_usable_swap_chains.push_back(GL_SRGB8_ALPHA8);
+ p_usable_swap_chains.push_back(GL_RGBA8);
+#elif ANDROID_ENABLED
+ p_usable_swap_chains.push_back(GL_SRGB8_ALPHA8);
+ p_usable_swap_chains.push_back(GL_RGBA8);
+#else
+ p_usable_swap_chains.push_back(GL_SRGB8_ALPHA8_EXT);
+ p_usable_swap_chains.push_back(GL_RGBA8_EXT);
+#endif
+}
+
+void OpenXROpenGLExtension::get_usable_depth_formats(Vector<int64_t> &p_usable_depth_formats) {
+ p_usable_depth_formats.push_back(GL_DEPTH_COMPONENT32F);
+ p_usable_depth_formats.push_back(GL_DEPTH24_STENCIL8);
+ p_usable_depth_formats.push_back(GL_DEPTH32F_STENCIL8);
+}
+
+bool OpenXROpenGLExtension::get_swapchain_image_data(XrSwapchain p_swapchain, int64_t p_swapchain_format, uint32_t p_width, uint32_t p_height, uint32_t p_sample_count, uint32_t p_array_size, void **r_swapchain_graphics_data) {
+ GLES3::TextureStorage *texture_storage = GLES3::TextureStorage::get_singleton();
+ ERR_FAIL_NULL_V(texture_storage, false);
+
+ uint32_t swapchain_length;
+ XrResult result = xrEnumerateSwapchainImages(p_swapchain, 0, &swapchain_length, nullptr);
+ if (XR_FAILED(result)) {
+ print_line("OpenXR: Failed to get swapchaim image count [", openxr_api->get_error_string(result), "]");
+ return false;
+ }
+
+#ifdef ANDROID_ENABLED
+ XrSwapchainImageOpenGLESKHR *images = (XrSwapchainImageOpenGLESKHR *)memalloc(sizeof(XrSwapchainImageOpenGLESKHR) * swapchain_length);
+#else
+ XrSwapchainImageOpenGLKHR *images = (XrSwapchainImageOpenGLKHR *)memalloc(sizeof(XrSwapchainImageOpenGLKHR) * swapchain_length);
+#endif
+ ERR_FAIL_NULL_V_MSG(images, false, "OpenXR Couldn't allocate memory for swap chain image");
+
+ for (uint64_t i = 0; i < swapchain_length; i++) {
+#ifdef ANDROID_ENABLED
+ images[i].type = XR_TYPE_SWAPCHAIN_IMAGE_OPENGL_ES_KHR;
+#else
+ images[i].type = XR_TYPE_SWAPCHAIN_IMAGE_OPENGL_KHR;
+#endif
+ images[i].next = nullptr;
+ images[i].image = 0;
+ }
+
+ result = xrEnumerateSwapchainImages(p_swapchain, swapchain_length, &swapchain_length, (XrSwapchainImageBaseHeader *)images);
+ if (XR_FAILED(result)) {
+ print_line("OpenXR: Failed to get swapchaim images [", openxr_api->get_error_string(result), "]");
+ memfree(images);
+ return false;
+ }
+
+ SwapchainGraphicsData *data = memnew(SwapchainGraphicsData);
+ if (data == nullptr) {
+ print_line("OpenXR: Failed to allocate memory for swapchain data");
+ memfree(images);
+ return false;
+ }
+ *r_swapchain_graphics_data = data;
+ data->is_multiview = (p_array_size > 1);
+
+ Image::Format format = Image::FORMAT_RGBA8;
+
+ Vector<RID> texture_rids;
+
+ for (uint64_t i = 0; i < swapchain_length; i++) {
+ RID texture_rid = texture_storage->texture_create_external(
+ p_array_size == 1 ? GLES3::Texture::TYPE_2D : GLES3::Texture::TYPE_LAYERED,
+ format,
+ images[i].image,
+ p_width,
+ p_height,
+ 1,
+ p_array_size);
+
+ texture_rids.push_back(texture_rid);
+ }
+
+ data->texture_rids = texture_rids;
+
+ memfree(images);
+
+ return true;
+}
+
+bool OpenXROpenGLExtension::create_projection_fov(const XrFovf p_fov, double p_z_near, double p_z_far, Projection &r_camera_matrix) {
+ XrMatrix4x4f matrix;
+ XrMatrix4x4f_CreateProjectionFov(&matrix, GRAPHICS_OPENGL, p_fov, (float)p_z_near, (float)p_z_far);
+
+ for (int j = 0; j < 4; j++) {
+ for (int i = 0; i < 4; i++) {
+ r_camera_matrix.columns[j][i] = matrix.m[j * 4 + i];
+ }
+ }
+
+ return true;
+}
+
+RID OpenXROpenGLExtension::get_texture(void *p_swapchain_graphics_data, int p_image_index) {
+ SwapchainGraphicsData *data = (SwapchainGraphicsData *)p_swapchain_graphics_data;
+ ERR_FAIL_NULL_V(data, RID());
+
+ ERR_FAIL_INDEX_V(p_image_index, data->texture_rids.size(), RID());
+ return data->texture_rids[p_image_index];
+}
+
+void OpenXROpenGLExtension::cleanup_swapchain_graphics_data(void **p_swapchain_graphics_data) {
+ if (*p_swapchain_graphics_data == nullptr) {
+ return;
+ }
+
+ GLES3::TextureStorage *texture_storage = GLES3::TextureStorage::get_singleton();
+ ERR_FAIL_NULL(texture_storage);
+
+ SwapchainGraphicsData *data = (SwapchainGraphicsData *)*p_swapchain_graphics_data;
+
+ for (int i = 0; i < data->texture_rids.size(); i++) {
+ texture_storage->texture_free(data->texture_rids[i]);
+ }
+ data->texture_rids.clear();
+
+ memdelete(data);
+ *p_swapchain_graphics_data = nullptr;
+}
+
+#define ENUM_TO_STRING_CASE(e) \
+ case e: { \
+ return String(#e); \
+ } break;
+
+String OpenXROpenGLExtension::get_swapchain_format_name(int64_t p_swapchain_format) const {
+ // These are somewhat different per platform, will need to weed some stuff out...
+ switch (p_swapchain_format) {
+#ifdef WIN32
+ // using definitions from GLAD
+ ENUM_TO_STRING_CASE(GL_R8_SNORM)
+ ENUM_TO_STRING_CASE(GL_RG8_SNORM)
+ ENUM_TO_STRING_CASE(GL_RGB8_SNORM)
+ ENUM_TO_STRING_CASE(GL_RGBA8_SNORM)
+ ENUM_TO_STRING_CASE(GL_R16_SNORM)
+ ENUM_TO_STRING_CASE(GL_RG16_SNORM)
+ ENUM_TO_STRING_CASE(GL_RGB16_SNORM)
+ ENUM_TO_STRING_CASE(GL_RGBA16_SNORM)
+ ENUM_TO_STRING_CASE(GL_RGB4)
+ ENUM_TO_STRING_CASE(GL_RGB5)
+ ENUM_TO_STRING_CASE(GL_RGB8)
+ ENUM_TO_STRING_CASE(GL_RGB10)
+ ENUM_TO_STRING_CASE(GL_RGB12)
+ ENUM_TO_STRING_CASE(GL_RGB16)
+ ENUM_TO_STRING_CASE(GL_RGBA2)
+ ENUM_TO_STRING_CASE(GL_RGBA4)
+ ENUM_TO_STRING_CASE(GL_RGB5_A1)
+ ENUM_TO_STRING_CASE(GL_RGBA8)
+ ENUM_TO_STRING_CASE(GL_RGB10_A2)
+ ENUM_TO_STRING_CASE(GL_RGBA12)
+ ENUM_TO_STRING_CASE(GL_RGBA16)
+ ENUM_TO_STRING_CASE(GL_RGBA32F)
+ ENUM_TO_STRING_CASE(GL_RGB32F)
+ ENUM_TO_STRING_CASE(GL_RGBA16F)
+ ENUM_TO_STRING_CASE(GL_RGB16F)
+ ENUM_TO_STRING_CASE(GL_RGBA32UI)
+ ENUM_TO_STRING_CASE(GL_RGB32UI)
+ ENUM_TO_STRING_CASE(GL_RGBA16UI)
+ ENUM_TO_STRING_CASE(GL_RGB16UI)
+ ENUM_TO_STRING_CASE(GL_RGBA8UI)
+ ENUM_TO_STRING_CASE(GL_RGB8UI)
+ ENUM_TO_STRING_CASE(GL_RGBA32I)
+ ENUM_TO_STRING_CASE(GL_RGB32I)
+ ENUM_TO_STRING_CASE(GL_RGBA16I)
+ ENUM_TO_STRING_CASE(GL_RGB16I)
+ ENUM_TO_STRING_CASE(GL_RGBA8I)
+ ENUM_TO_STRING_CASE(GL_RGB8I)
+ ENUM_TO_STRING_CASE(GL_RGB10_A2UI)
+ ENUM_TO_STRING_CASE(GL_SRGB)
+ ENUM_TO_STRING_CASE(GL_SRGB8)
+ ENUM_TO_STRING_CASE(GL_SRGB_ALPHA)
+ ENUM_TO_STRING_CASE(GL_SRGB8_ALPHA8)
+ ENUM_TO_STRING_CASE(GL_DEPTH_COMPONENT16)
+ ENUM_TO_STRING_CASE(GL_DEPTH_COMPONENT24)
+ ENUM_TO_STRING_CASE(GL_DEPTH_COMPONENT32)
+ ENUM_TO_STRING_CASE(GL_DEPTH24_STENCIL8)
+ ENUM_TO_STRING_CASE(GL_R11F_G11F_B10F)
+ ENUM_TO_STRING_CASE(GL_DEPTH_COMPONENT32F)
+ ENUM_TO_STRING_CASE(GL_DEPTH32F_STENCIL8)
+
+#elif ANDROID_ENABLED
+ // using definitions from GLES3/gl3.h
+
+ ENUM_TO_STRING_CASE(GL_RGBA4)
+ ENUM_TO_STRING_CASE(GL_RGB5_A1)
+ ENUM_TO_STRING_CASE(GL_RGB565)
+ ENUM_TO_STRING_CASE(GL_RGB8)
+ ENUM_TO_STRING_CASE(GL_RGBA8)
+ ENUM_TO_STRING_CASE(GL_RGB10_A2)
+ ENUM_TO_STRING_CASE(GL_RGBA32F)
+ ENUM_TO_STRING_CASE(GL_RGB32F)
+ ENUM_TO_STRING_CASE(GL_RGBA16F)
+ ENUM_TO_STRING_CASE(GL_RGB16F)
+ ENUM_TO_STRING_CASE(GL_R11F_G11F_B10F)
+ ENUM_TO_STRING_CASE(GL_UNSIGNED_INT_10F_11F_11F_REV)
+ ENUM_TO_STRING_CASE(GL_RGB9_E5)
+ ENUM_TO_STRING_CASE(GL_UNSIGNED_INT_5_9_9_9_REV)
+ ENUM_TO_STRING_CASE(GL_RGBA32UI)
+ ENUM_TO_STRING_CASE(GL_RGB32UI)
+ ENUM_TO_STRING_CASE(GL_RGBA16UI)
+ ENUM_TO_STRING_CASE(GL_RGB16UI)
+ ENUM_TO_STRING_CASE(GL_RGBA8UI)
+ ENUM_TO_STRING_CASE(GL_RGB8UI)
+ ENUM_TO_STRING_CASE(GL_RGBA32I)
+ ENUM_TO_STRING_CASE(GL_RGB32I)
+ ENUM_TO_STRING_CASE(GL_RGBA16I)
+ ENUM_TO_STRING_CASE(GL_RGB16I)
+ ENUM_TO_STRING_CASE(GL_RGBA8I)
+ ENUM_TO_STRING_CASE(GL_RGB8I)
+ ENUM_TO_STRING_CASE(GL_RG)
+ ENUM_TO_STRING_CASE(GL_RG_INTEGER)
+ ENUM_TO_STRING_CASE(GL_R8)
+ ENUM_TO_STRING_CASE(GL_RG8)
+ ENUM_TO_STRING_CASE(GL_R16F)
+ ENUM_TO_STRING_CASE(GL_R32F)
+ ENUM_TO_STRING_CASE(GL_RG16F)
+ ENUM_TO_STRING_CASE(GL_RG32F)
+ ENUM_TO_STRING_CASE(GL_R8I)
+ ENUM_TO_STRING_CASE(GL_R8UI)
+ ENUM_TO_STRING_CASE(GL_R16I)
+ ENUM_TO_STRING_CASE(GL_R16UI)
+ ENUM_TO_STRING_CASE(GL_R32I)
+ ENUM_TO_STRING_CASE(GL_R32UI)
+ ENUM_TO_STRING_CASE(GL_RG8I)
+ ENUM_TO_STRING_CASE(GL_RG8UI)
+ ENUM_TO_STRING_CASE(GL_RG16I)
+ ENUM_TO_STRING_CASE(GL_RG16UI)
+ ENUM_TO_STRING_CASE(GL_RG32I)
+ ENUM_TO_STRING_CASE(GL_RG32UI)
+ ENUM_TO_STRING_CASE(GL_R8_SNORM)
+ ENUM_TO_STRING_CASE(GL_RG8_SNORM)
+ ENUM_TO_STRING_CASE(GL_RGB8_SNORM)
+ ENUM_TO_STRING_CASE(GL_RGBA8_SNORM)
+ ENUM_TO_STRING_CASE(GL_RGB10_A2UI)
+ ENUM_TO_STRING_CASE(GL_SRGB)
+ ENUM_TO_STRING_CASE(GL_SRGB8)
+ ENUM_TO_STRING_CASE(GL_SRGB8_ALPHA8)
+ ENUM_TO_STRING_CASE(GL_COMPRESSED_R11_EAC)
+ ENUM_TO_STRING_CASE(GL_COMPRESSED_SIGNED_R11_EAC)
+ ENUM_TO_STRING_CASE(GL_COMPRESSED_RG11_EAC)
+ ENUM_TO_STRING_CASE(GL_COMPRESSED_SIGNED_RG11_EAC)
+ ENUM_TO_STRING_CASE(GL_COMPRESSED_RGB8_ETC2)
+ ENUM_TO_STRING_CASE(GL_COMPRESSED_SRGB8_ETC2)
+ ENUM_TO_STRING_CASE(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2)
+ ENUM_TO_STRING_CASE(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2)
+ ENUM_TO_STRING_CASE(GL_COMPRESSED_RGBA8_ETC2_EAC)
+ ENUM_TO_STRING_CASE(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC)
+ ENUM_TO_STRING_CASE(GL_DEPTH_COMPONENT16)
+ ENUM_TO_STRING_CASE(GL_DEPTH_COMPONENT24)
+ ENUM_TO_STRING_CASE(GL_DEPTH24_STENCIL8)
+
+#else
+ // using definitions from GL/gl.h
+ ENUM_TO_STRING_CASE(GL_ALPHA4_EXT)
+ ENUM_TO_STRING_CASE(GL_ALPHA8_EXT)
+ ENUM_TO_STRING_CASE(GL_ALPHA12_EXT)
+ ENUM_TO_STRING_CASE(GL_ALPHA16_EXT)
+ ENUM_TO_STRING_CASE(GL_LUMINANCE4_EXT)
+ ENUM_TO_STRING_CASE(GL_LUMINANCE8_EXT)
+ ENUM_TO_STRING_CASE(GL_LUMINANCE12_EXT)
+ ENUM_TO_STRING_CASE(GL_LUMINANCE16_EXT)
+ ENUM_TO_STRING_CASE(GL_LUMINANCE4_ALPHA4_EXT)
+ ENUM_TO_STRING_CASE(GL_LUMINANCE6_ALPHA2_EXT)
+ ENUM_TO_STRING_CASE(GL_LUMINANCE8_ALPHA8_EXT)
+ ENUM_TO_STRING_CASE(GL_LUMINANCE12_ALPHA4_EXT)
+ ENUM_TO_STRING_CASE(GL_LUMINANCE12_ALPHA12_EXT)
+ ENUM_TO_STRING_CASE(GL_LUMINANCE16_ALPHA16_EXT)
+ ENUM_TO_STRING_CASE(GL_INTENSITY_EXT)
+ ENUM_TO_STRING_CASE(GL_INTENSITY4_EXT)
+ ENUM_TO_STRING_CASE(GL_INTENSITY8_EXT)
+ ENUM_TO_STRING_CASE(GL_INTENSITY12_EXT)
+ ENUM_TO_STRING_CASE(GL_INTENSITY16_EXT)
+ ENUM_TO_STRING_CASE(GL_RGB2_EXT)
+ ENUM_TO_STRING_CASE(GL_RGB4_EXT)
+ ENUM_TO_STRING_CASE(GL_RGB5_EXT)
+ ENUM_TO_STRING_CASE(GL_RGB8_EXT)
+ ENUM_TO_STRING_CASE(GL_RGB10_EXT)
+ ENUM_TO_STRING_CASE(GL_RGB12_EXT)
+ ENUM_TO_STRING_CASE(GL_RGB16_EXT)
+ ENUM_TO_STRING_CASE(GL_RGBA2_EXT)
+ ENUM_TO_STRING_CASE(GL_RGBA4_EXT)
+ ENUM_TO_STRING_CASE(GL_RGB5_A1_EXT)
+ ENUM_TO_STRING_CASE(GL_RGBA8_EXT)
+ ENUM_TO_STRING_CASE(GL_RGB10_A2_EXT)
+ ENUM_TO_STRING_CASE(GL_RGBA12_EXT)
+ ENUM_TO_STRING_CASE(GL_RGBA16_EXT)
+ ENUM_TO_STRING_CASE(GL_SRGB_EXT)
+ ENUM_TO_STRING_CASE(GL_SRGB8_EXT)
+ ENUM_TO_STRING_CASE(GL_SRGB_ALPHA_EXT)
+ ENUM_TO_STRING_CASE(GL_SRGB8_ALPHA8_EXT)
+#endif
+ default: {
+ return String("Swapchain format 0x") + String::num_int64(p_swapchain_format, 16);
+ } break;
+ }
+}
+
+#endif // GLES3_ENABLED