17a957e214
This commit removes SRGB swapchain options for use with OpenGL, to avoid the hardware doing an additional SRGB conversion and thus causing colors to differ from other rendering paths.
414 lines
16 KiB
C++
414 lines
16 KiB
C++
/**************************************************************************/
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/* openxr_opengl_extension.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#ifdef GLES3_ENABLED
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#include "../extensions/openxr_opengl_extension.h"
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#include "../openxr_util.h"
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#include "drivers/gles3/effects/copy_effects.h"
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#include "drivers/gles3/storage/texture_storage.h"
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#include "servers/rendering/rendering_server_globals.h"
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#include "servers/rendering_server.h"
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HashMap<String, bool *> OpenXROpenGLExtension::get_requested_extensions() {
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HashMap<String, bool *> request_extensions;
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#ifdef ANDROID_ENABLED
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request_extensions[XR_KHR_OPENGL_ES_ENABLE_EXTENSION_NAME] = nullptr;
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#else
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request_extensions[XR_KHR_OPENGL_ENABLE_EXTENSION_NAME] = nullptr;
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#endif
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return request_extensions;
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}
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void OpenXROpenGLExtension::on_instance_created(const XrInstance p_instance) {
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// Obtain pointers to functions we're accessing here.
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ERR_FAIL_NULL(OpenXRAPI::get_singleton());
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#ifdef ANDROID_ENABLED
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EXT_INIT_XR_FUNC(xrGetOpenGLESGraphicsRequirementsKHR);
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#else
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EXT_INIT_XR_FUNC(xrGetOpenGLGraphicsRequirementsKHR);
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#endif
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EXT_INIT_XR_FUNC(xrEnumerateSwapchainImages);
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}
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bool OpenXROpenGLExtension::check_graphics_api_support(XrVersion p_desired_version) {
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ERR_FAIL_NULL_V(OpenXRAPI::get_singleton(), false);
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XrSystemId system_id = OpenXRAPI::get_singleton()->get_system_id();
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XrInstance instance = OpenXRAPI::get_singleton()->get_instance();
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#ifdef ANDROID_ENABLED
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XrGraphicsRequirementsOpenGLESKHR opengl_requirements;
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opengl_requirements.type = XR_TYPE_GRAPHICS_REQUIREMENTS_OPENGL_ES_KHR;
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opengl_requirements.next = nullptr;
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XrResult result = xrGetOpenGLESGraphicsRequirementsKHR(instance, system_id, &opengl_requirements);
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if (!OpenXRAPI::get_singleton()->xr_result(result, "Failed to get OpenGL graphics requirements!")) {
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return false;
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}
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#else
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XrGraphicsRequirementsOpenGLKHR opengl_requirements;
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opengl_requirements.type = XR_TYPE_GRAPHICS_REQUIREMENTS_OPENGL_KHR;
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opengl_requirements.next = nullptr;
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XrResult result = xrGetOpenGLGraphicsRequirementsKHR(instance, system_id, &opengl_requirements);
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if (!OpenXRAPI::get_singleton()->xr_result(result, "Failed to get OpenGL graphics requirements!")) {
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return false;
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}
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#endif
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if (p_desired_version < opengl_requirements.minApiVersionSupported) {
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print_line("OpenXR: Requested OpenGL version does not meet the minimum version this runtime supports.");
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print_line("- desired_version ", OpenXRUtil::make_xr_version_string(p_desired_version));
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print_line("- minApiVersionSupported ", OpenXRUtil::make_xr_version_string(opengl_requirements.minApiVersionSupported));
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print_line("- maxApiVersionSupported ", OpenXRUtil::make_xr_version_string(opengl_requirements.maxApiVersionSupported));
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return false;
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}
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if (p_desired_version > opengl_requirements.maxApiVersionSupported) {
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print_line("OpenXR: Requested OpenGL version exceeds the maximum version this runtime has been tested on and is known to support.");
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print_line("- desired_version ", OpenXRUtil::make_xr_version_string(p_desired_version));
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print_line("- minApiVersionSupported ", OpenXRUtil::make_xr_version_string(opengl_requirements.minApiVersionSupported));
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print_line("- maxApiVersionSupported ", OpenXRUtil::make_xr_version_string(opengl_requirements.maxApiVersionSupported));
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}
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return true;
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}
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#ifdef WIN32
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XrGraphicsBindingOpenGLWin32KHR OpenXROpenGLExtension::graphics_binding_gl;
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#elif ANDROID_ENABLED
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XrGraphicsBindingOpenGLESAndroidKHR OpenXROpenGLExtension::graphics_binding_gl;
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#else
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XrGraphicsBindingOpenGLXlibKHR OpenXROpenGLExtension::graphics_binding_gl;
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#endif
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void *OpenXROpenGLExtension::set_session_create_and_get_next_pointer(void *p_next_pointer) {
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XrVersion desired_version = XR_MAKE_VERSION(3, 3, 0);
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if (!check_graphics_api_support(desired_version)) {
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print_line("OpenXR: Trying to initialize with OpenGL anyway...");
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//return p_next_pointer;
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}
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DisplayServer *display_server = DisplayServer::get_singleton();
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#ifdef WIN32
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graphics_binding_gl.type = XR_TYPE_GRAPHICS_BINDING_OPENGL_WIN32_KHR,
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graphics_binding_gl.next = p_next_pointer;
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graphics_binding_gl.hDC = (HDC)display_server->window_get_native_handle(DisplayServer::WINDOW_VIEW);
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graphics_binding_gl.hGLRC = (HGLRC)display_server->window_get_native_handle(DisplayServer::OPENGL_CONTEXT);
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#elif ANDROID_ENABLED
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graphics_binding_gl.type = XR_TYPE_GRAPHICS_BINDING_OPENGL_ES_ANDROID_KHR;
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graphics_binding_gl.next = p_next_pointer;
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graphics_binding_gl.display = (void *)display_server->window_get_native_handle(DisplayServer::DISPLAY_HANDLE);
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graphics_binding_gl.config = (EGLConfig)0; // https://github.com/KhronosGroup/OpenXR-SDK-Source/blob/master/src/tests/hello_xr/graphicsplugin_opengles.cpp#L122
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graphics_binding_gl.context = (void *)display_server->window_get_native_handle(DisplayServer::OPENGL_CONTEXT);
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#else
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graphics_binding_gl.type = XR_TYPE_GRAPHICS_BINDING_OPENGL_XLIB_KHR;
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graphics_binding_gl.next = p_next_pointer;
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void *display_handle = (void *)display_server->window_get_native_handle(DisplayServer::DISPLAY_HANDLE);
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void *glxcontext_handle = (void *)display_server->window_get_native_handle(DisplayServer::OPENGL_CONTEXT);
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void *glxdrawable_handle = (void *)display_server->window_get_native_handle(DisplayServer::WINDOW_HANDLE);
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graphics_binding_gl.xDisplay = (Display *)display_handle;
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graphics_binding_gl.glxContext = (GLXContext)glxcontext_handle;
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graphics_binding_gl.glxDrawable = (GLXDrawable)glxdrawable_handle;
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// spec says to use proper values but runtimes don't care
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graphics_binding_gl.visualid = 0;
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graphics_binding_gl.glxFBConfig = 0;
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#endif
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return &graphics_binding_gl;
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}
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void OpenXROpenGLExtension::get_usable_swapchain_formats(Vector<int64_t> &p_usable_swap_chains) {
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p_usable_swap_chains.push_back(GL_RGBA8);
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}
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void OpenXROpenGLExtension::get_usable_depth_formats(Vector<int64_t> &p_usable_depth_formats) {
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p_usable_depth_formats.push_back(GL_DEPTH_COMPONENT32F);
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p_usable_depth_formats.push_back(GL_DEPTH24_STENCIL8);
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p_usable_depth_formats.push_back(GL_DEPTH32F_STENCIL8);
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}
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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) {
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GLES3::TextureStorage *texture_storage = GLES3::TextureStorage::get_singleton();
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ERR_FAIL_NULL_V(texture_storage, false);
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uint32_t swapchain_length;
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XrResult result = xrEnumerateSwapchainImages(p_swapchain, 0, &swapchain_length, nullptr);
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if (XR_FAILED(result)) {
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print_line("OpenXR: Failed to get swapchaim image count [", OpenXRAPI::get_singleton()->get_error_string(result), "]");
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return false;
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}
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#ifdef ANDROID_ENABLED
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XrSwapchainImageOpenGLESKHR *images = (XrSwapchainImageOpenGLESKHR *)memalloc(sizeof(XrSwapchainImageOpenGLESKHR) * swapchain_length);
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#else
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XrSwapchainImageOpenGLKHR *images = (XrSwapchainImageOpenGLKHR *)memalloc(sizeof(XrSwapchainImageOpenGLKHR) * swapchain_length);
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#endif
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ERR_FAIL_NULL_V_MSG(images, false, "OpenXR Couldn't allocate memory for swap chain image");
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for (uint64_t i = 0; i < swapchain_length; i++) {
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#ifdef ANDROID_ENABLED
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images[i].type = XR_TYPE_SWAPCHAIN_IMAGE_OPENGL_ES_KHR;
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#else
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images[i].type = XR_TYPE_SWAPCHAIN_IMAGE_OPENGL_KHR;
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#endif
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images[i].next = nullptr;
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images[i].image = 0;
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}
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result = xrEnumerateSwapchainImages(p_swapchain, swapchain_length, &swapchain_length, (XrSwapchainImageBaseHeader *)images);
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if (XR_FAILED(result)) {
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print_line("OpenXR: Failed to get swapchaim images [", OpenXRAPI::get_singleton()->get_error_string(result), "]");
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memfree(images);
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return false;
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}
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SwapchainGraphicsData *data = memnew(SwapchainGraphicsData);
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if (data == nullptr) {
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print_line("OpenXR: Failed to allocate memory for swapchain data");
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memfree(images);
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return false;
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}
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*r_swapchain_graphics_data = data;
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data->is_multiview = (p_array_size > 1);
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Image::Format format = Image::FORMAT_RGBA8;
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Vector<RID> texture_rids;
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for (uint64_t i = 0; i < swapchain_length; i++) {
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RID texture_rid = texture_storage->texture_create_external(
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p_array_size == 1 ? GLES3::Texture::TYPE_2D : GLES3::Texture::TYPE_LAYERED,
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format,
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images[i].image,
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p_width,
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p_height,
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1,
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p_array_size);
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texture_rids.push_back(texture_rid);
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}
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data->texture_rids = texture_rids;
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memfree(images);
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return true;
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}
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bool OpenXROpenGLExtension::create_projection_fov(const XrFovf p_fov, double p_z_near, double p_z_far, Projection &r_camera_matrix) {
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XrMatrix4x4f matrix;
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XrMatrix4x4f_CreateProjectionFov(&matrix, GRAPHICS_OPENGL, p_fov, (float)p_z_near, (float)p_z_far);
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for (int j = 0; j < 4; j++) {
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for (int i = 0; i < 4; i++) {
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r_camera_matrix.columns[j][i] = matrix.m[j * 4 + i];
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}
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}
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return true;
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}
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RID OpenXROpenGLExtension::get_texture(void *p_swapchain_graphics_data, int p_image_index) {
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SwapchainGraphicsData *data = (SwapchainGraphicsData *)p_swapchain_graphics_data;
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ERR_FAIL_NULL_V(data, RID());
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ERR_FAIL_INDEX_V(p_image_index, data->texture_rids.size(), RID());
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return data->texture_rids[p_image_index];
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}
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void OpenXROpenGLExtension::cleanup_swapchain_graphics_data(void **p_swapchain_graphics_data) {
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if (*p_swapchain_graphics_data == nullptr) {
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return;
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}
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GLES3::TextureStorage *texture_storage = GLES3::TextureStorage::get_singleton();
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ERR_FAIL_NULL(texture_storage);
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SwapchainGraphicsData *data = (SwapchainGraphicsData *)*p_swapchain_graphics_data;
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for (int i = 0; i < data->texture_rids.size(); i++) {
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texture_storage->texture_free(data->texture_rids[i]);
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}
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data->texture_rids.clear();
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memdelete(data);
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*p_swapchain_graphics_data = nullptr;
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}
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#define ENUM_TO_STRING_CASE(e) \
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case e: { \
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return String(#e); \
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} break;
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String OpenXROpenGLExtension::get_swapchain_format_name(int64_t p_swapchain_format) const {
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// These are somewhat different per platform, will need to weed some stuff out...
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switch (p_swapchain_format) {
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#ifdef ANDROID_ENABLED
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// using definitions from GLES3/gl3.h
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ENUM_TO_STRING_CASE(GL_RGBA4)
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ENUM_TO_STRING_CASE(GL_RGB5_A1)
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ENUM_TO_STRING_CASE(GL_RGB565)
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ENUM_TO_STRING_CASE(GL_RGB8)
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ENUM_TO_STRING_CASE(GL_RGBA8)
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ENUM_TO_STRING_CASE(GL_RGB10_A2)
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ENUM_TO_STRING_CASE(GL_RGBA32F)
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ENUM_TO_STRING_CASE(GL_RGB32F)
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ENUM_TO_STRING_CASE(GL_RGBA16F)
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ENUM_TO_STRING_CASE(GL_RGB16F)
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ENUM_TO_STRING_CASE(GL_R11F_G11F_B10F)
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ENUM_TO_STRING_CASE(GL_UNSIGNED_INT_10F_11F_11F_REV)
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ENUM_TO_STRING_CASE(GL_RGB9_E5)
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ENUM_TO_STRING_CASE(GL_UNSIGNED_INT_5_9_9_9_REV)
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ENUM_TO_STRING_CASE(GL_RGBA32UI)
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ENUM_TO_STRING_CASE(GL_RGB32UI)
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ENUM_TO_STRING_CASE(GL_RGBA16UI)
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ENUM_TO_STRING_CASE(GL_RGB16UI)
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ENUM_TO_STRING_CASE(GL_RGBA8UI)
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ENUM_TO_STRING_CASE(GL_RGB8UI)
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ENUM_TO_STRING_CASE(GL_RGBA32I)
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ENUM_TO_STRING_CASE(GL_RGB32I)
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ENUM_TO_STRING_CASE(GL_RGBA16I)
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ENUM_TO_STRING_CASE(GL_RGB16I)
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ENUM_TO_STRING_CASE(GL_RGBA8I)
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ENUM_TO_STRING_CASE(GL_RGB8I)
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ENUM_TO_STRING_CASE(GL_RG)
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ENUM_TO_STRING_CASE(GL_RG_INTEGER)
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ENUM_TO_STRING_CASE(GL_R8)
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ENUM_TO_STRING_CASE(GL_RG8)
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ENUM_TO_STRING_CASE(GL_R16F)
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ENUM_TO_STRING_CASE(GL_R32F)
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ENUM_TO_STRING_CASE(GL_RG16F)
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ENUM_TO_STRING_CASE(GL_RG32F)
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ENUM_TO_STRING_CASE(GL_R8I)
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ENUM_TO_STRING_CASE(GL_R8UI)
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ENUM_TO_STRING_CASE(GL_R16I)
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ENUM_TO_STRING_CASE(GL_R16UI)
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ENUM_TO_STRING_CASE(GL_R32I)
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ENUM_TO_STRING_CASE(GL_R32UI)
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ENUM_TO_STRING_CASE(GL_RG8I)
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ENUM_TO_STRING_CASE(GL_RG8UI)
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ENUM_TO_STRING_CASE(GL_RG16I)
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ENUM_TO_STRING_CASE(GL_RG16UI)
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ENUM_TO_STRING_CASE(GL_RG32I)
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ENUM_TO_STRING_CASE(GL_RG32UI)
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ENUM_TO_STRING_CASE(GL_R8_SNORM)
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ENUM_TO_STRING_CASE(GL_RG8_SNORM)
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ENUM_TO_STRING_CASE(GL_RGB8_SNORM)
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ENUM_TO_STRING_CASE(GL_RGBA8_SNORM)
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ENUM_TO_STRING_CASE(GL_RGB10_A2UI)
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ENUM_TO_STRING_CASE(GL_SRGB)
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ENUM_TO_STRING_CASE(GL_SRGB8)
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ENUM_TO_STRING_CASE(GL_SRGB8_ALPHA8)
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ENUM_TO_STRING_CASE(GL_COMPRESSED_R11_EAC)
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ENUM_TO_STRING_CASE(GL_COMPRESSED_SIGNED_R11_EAC)
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ENUM_TO_STRING_CASE(GL_COMPRESSED_RG11_EAC)
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ENUM_TO_STRING_CASE(GL_COMPRESSED_SIGNED_RG11_EAC)
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ENUM_TO_STRING_CASE(GL_COMPRESSED_RGB8_ETC2)
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ENUM_TO_STRING_CASE(GL_COMPRESSED_SRGB8_ETC2)
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ENUM_TO_STRING_CASE(GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2)
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ENUM_TO_STRING_CASE(GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2)
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ENUM_TO_STRING_CASE(GL_COMPRESSED_RGBA8_ETC2_EAC)
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ENUM_TO_STRING_CASE(GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC)
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ENUM_TO_STRING_CASE(GL_DEPTH_COMPONENT16)
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ENUM_TO_STRING_CASE(GL_DEPTH_COMPONENT24)
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ENUM_TO_STRING_CASE(GL_DEPTH24_STENCIL8)
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#else
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// using definitions from GLAD
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ENUM_TO_STRING_CASE(GL_R8_SNORM)
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ENUM_TO_STRING_CASE(GL_RG8_SNORM)
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ENUM_TO_STRING_CASE(GL_RGB8_SNORM)
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ENUM_TO_STRING_CASE(GL_RGBA8_SNORM)
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ENUM_TO_STRING_CASE(GL_R16_SNORM)
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ENUM_TO_STRING_CASE(GL_RG16_SNORM)
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ENUM_TO_STRING_CASE(GL_RGB16_SNORM)
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ENUM_TO_STRING_CASE(GL_RGBA16_SNORM)
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ENUM_TO_STRING_CASE(GL_RGB4)
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ENUM_TO_STRING_CASE(GL_RGB5)
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ENUM_TO_STRING_CASE(GL_RGB8)
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ENUM_TO_STRING_CASE(GL_RGB10)
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ENUM_TO_STRING_CASE(GL_RGB12)
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ENUM_TO_STRING_CASE(GL_RGB16)
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ENUM_TO_STRING_CASE(GL_RGBA2)
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ENUM_TO_STRING_CASE(GL_RGBA4)
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ENUM_TO_STRING_CASE(GL_RGB5_A1)
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ENUM_TO_STRING_CASE(GL_RGBA8)
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ENUM_TO_STRING_CASE(GL_RGB10_A2)
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ENUM_TO_STRING_CASE(GL_RGBA12)
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ENUM_TO_STRING_CASE(GL_RGBA16)
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ENUM_TO_STRING_CASE(GL_RGBA32F)
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ENUM_TO_STRING_CASE(GL_RGB32F)
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ENUM_TO_STRING_CASE(GL_RGBA16F)
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ENUM_TO_STRING_CASE(GL_RGB16F)
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ENUM_TO_STRING_CASE(GL_RGBA32UI)
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ENUM_TO_STRING_CASE(GL_RGB32UI)
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ENUM_TO_STRING_CASE(GL_RGBA16UI)
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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)
|
|
#endif
|
|
default: {
|
|
return String("Swapchain format 0x") + String::num_int64(p_swapchain_format, 16);
|
|
} break;
|
|
}
|
|
}
|
|
|
|
#endif // GLES3_ENABLED
|