From 30f41c02aec763d32e62351452da9ef582bc3472 Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Fri, 6 Mar 2026 13:30:59 -0800 Subject: Move contrib libraries to contrib repo --- contrib/SDL-3.2.8/src/video/SDL_egl.c | 1339 --------------------------------- 1 file changed, 1339 deletions(-) delete mode 100644 contrib/SDL-3.2.8/src/video/SDL_egl.c (limited to 'contrib/SDL-3.2.8/src/video/SDL_egl.c') diff --git a/contrib/SDL-3.2.8/src/video/SDL_egl.c b/contrib/SDL-3.2.8/src/video/SDL_egl.c deleted file mode 100644 index 8650254..0000000 --- a/contrib/SDL-3.2.8/src/video/SDL_egl.c +++ /dev/null @@ -1,1339 +0,0 @@ -/* - * Simple DirectMedia Layer - * Copyright (C) 1997-2025 Sam Lantinga - * - * This software is provided 'as-is', without any express or implied - * warranty. In no event will the authors be held liable for any damages - * arising from the use of this software. - * - * Permission is granted to anyone to use this software for any purpose, - * including commercial applications, and to alter it and redistribute it - * freely, subject to the following restrictions: - * - * 1. The origin of this software must not be misrepresented; you must not - * claim that you wrote the original software. If you use this software - * in a product, an acknowledgment in the product documentation would be - * appreciated but is not required. - * 2. Altered source versions must be plainly marked as such, and must not be - * misrepresented as being the original software. - * 3. This notice may not be removed or altered from any source distribution. - */ -#include "SDL_internal.h" - -#ifdef SDL_VIDEO_OPENGL_EGL - -#if defined(SDL_VIDEO_DRIVER_WINDOWS) -#include "../core/windows/SDL_windows.h" -#endif -#ifdef SDL_VIDEO_DRIVER_ANDROID -#include -#include "../video/android/SDL_androidvideo.h" -#endif -#ifdef SDL_VIDEO_DRIVER_RPI -#include -#endif -#ifdef SDL_VIDEO_VITA_PVR_OGL -#include -#endif - -#include "SDL_sysvideo.h" -#include "SDL_egl_c.h" - -#ifdef EGL_KHR_create_context -// EGL_OPENGL_ES3_BIT_KHR was added in version 13 of the extension. -#ifndef EGL_OPENGL_ES3_BIT_KHR -#define EGL_OPENGL_ES3_BIT_KHR 0x00000040 -#endif -#endif // EGL_KHR_create_context - -#ifndef EGL_EXT_pixel_format_float -#define EGL_EXT_pixel_format_float -#define EGL_COLOR_COMPONENT_TYPE_EXT 0x3339 -#define EGL_COLOR_COMPONENT_TYPE_FIXED_EXT 0x333A -#define EGL_COLOR_COMPONENT_TYPE_FLOAT_EXT 0x333B -#endif - -#ifndef EGL_EXT_present_opaque -#define EGL_EXT_present_opaque 1 -#define EGL_PRESENT_OPAQUE_EXT 0x31DF -#endif // EGL_EXT_present_opaque - -#ifdef SDL_VIDEO_DRIVER_RPI -// Raspbian places the OpenGL ES/EGL binaries in a non standard path -#define DEFAULT_EGL (vc4 ? "libEGL.so.1" : "libbrcmEGL.so") -#define DEFAULT_OGL_ES2 (vc4 ? "libGLESv2.so.2" : "libbrcmGLESv2.so") -#define ALT_EGL "libEGL.so" -#define ALT_OGL_ES2 "libGLESv2.so" -#define DEFAULT_OGL_ES_PVR (vc4 ? "libGLES_CM.so.1" : "libbrcmGLESv2.so") -#define DEFAULT_OGL_ES (vc4 ? "libGLESv1_CM.so.1" : "libbrcmGLESv2.so") - -#elif defined(SDL_VIDEO_DRIVER_ANDROID) || defined(SDL_VIDEO_DRIVER_VIVANTE) -// Android -#define DEFAULT_EGL "libEGL.so" -#define DEFAULT_OGL_ES2 "libGLESv2.so" -#define DEFAULT_OGL_ES_PVR "libGLES_CM.so" -#define DEFAULT_OGL_ES "libGLESv1_CM.so" - -#elif defined(SDL_VIDEO_DRIVER_WINDOWS) -// EGL AND OpenGL ES support via ANGLE -#define DEFAULT_EGL "libEGL.dll" -#define DEFAULT_OGL "opengl32.dll" -#define DEFAULT_OGL_ES2 "libGLESv2.dll" -#define DEFAULT_OGL_ES_PVR "libGLES_CM.dll" -#define DEFAULT_OGL_ES "libGLESv1_CM.dll" - -#elif defined(SDL_VIDEO_DRIVER_COCOA) -// EGL AND OpenGL ES support via ANGLE -#define DEFAULT_EGL "libEGL.dylib" -#define DEFAULT_OGL_ES2 "libGLESv2.dylib" -#define DEFAULT_OGL_ES_PVR "libGLES_CM.dylib" //??? -#define DEFAULT_OGL_ES "libGLESv1_CM.dylib" //??? - -#elif defined(SDL_PLATFORM_OPENBSD) -// OpenBSD -#define DEFAULT_OGL "libGL.so" -#define DEFAULT_EGL "libEGL.so" -#define DEFAULT_OGL_ES2 "libGLESv2.so" -#define DEFAULT_OGL_ES_PVR "libGLES_CM.so" -#define DEFAULT_OGL_ES "libGLESv1_CM.so" - -#else -// Desktop Linux/Unix-like -#define DEFAULT_OGL "libGL.so.1" -#define DEFAULT_EGL "libEGL.so.1" -#define ALT_OGL "libOpenGL.so.0" -#define DEFAULT_OGL_ES2 "libGLESv2.so.2" -#define DEFAULT_OGL_ES_PVR "libGLES_CM.so.1" -#define DEFAULT_OGL_ES "libGLESv1_CM.so.1" -#endif // SDL_VIDEO_DRIVER_RPI - -#if defined(SDL_VIDEO_OPENGL) && !defined(SDL_VIDEO_VITA_PVR_OGL) -#include -#endif - -/** If we happen to not have this defined because of an older EGL version, just define it 0x0 - as eglGetPlatformDisplayEXT will most likely be NULL if this is missing -*/ -#ifndef EGL_PLATFORM_DEVICE_EXT -#define EGL_PLATFORM_DEVICE_EXT 0x0 -#endif - -#ifdef SDL_VIDEO_OPENGL -typedef void (APIENTRY* PFNGLGETINTEGERVPROC) (GLenum pname, GLint * params); -#endif - -#if defined(SDL_VIDEO_STATIC_ANGLE) || defined(SDL_VIDEO_DRIVER_VITA) -#define LOAD_FUNC(TYPE, NAME) \ - _this->egl_data->NAME = NAME; -#else -#define LOAD_FUNC(TYPE, NAME) \ - _this->egl_data->NAME = (TYPE)SDL_LoadFunction(_this->egl_data->egl_dll_handle, #NAME); \ - if (!_this->egl_data->NAME) { \ - return SDL_SetError("Could not retrieve EGL function " #NAME); \ - } -#endif - -// it is allowed to not have some of the EGL extensions on start - attempts to use them will fail later. -#define LOAD_FUNC_EGLEXT(TYPE, NAME) \ - _this->egl_data->NAME = (TYPE)_this->egl_data->eglGetProcAddress(#NAME); - -static const char *SDL_EGL_GetErrorName(EGLint eglErrorCode) -{ -#define SDL_EGL_ERROR_TRANSLATE(e) \ - case e: \ - return #e; - switch (eglErrorCode) { - SDL_EGL_ERROR_TRANSLATE(EGL_SUCCESS); - SDL_EGL_ERROR_TRANSLATE(EGL_NOT_INITIALIZED); - SDL_EGL_ERROR_TRANSLATE(EGL_BAD_ACCESS); - SDL_EGL_ERROR_TRANSLATE(EGL_BAD_ALLOC); - SDL_EGL_ERROR_TRANSLATE(EGL_BAD_ATTRIBUTE); - SDL_EGL_ERROR_TRANSLATE(EGL_BAD_CONTEXT); - SDL_EGL_ERROR_TRANSLATE(EGL_BAD_CONFIG); - SDL_EGL_ERROR_TRANSLATE(EGL_BAD_CURRENT_SURFACE); - SDL_EGL_ERROR_TRANSLATE(EGL_BAD_DISPLAY); - SDL_EGL_ERROR_TRANSLATE(EGL_BAD_SURFACE); - SDL_EGL_ERROR_TRANSLATE(EGL_BAD_MATCH); - SDL_EGL_ERROR_TRANSLATE(EGL_BAD_PARAMETER); - SDL_EGL_ERROR_TRANSLATE(EGL_BAD_NATIVE_PIXMAP); - SDL_EGL_ERROR_TRANSLATE(EGL_BAD_NATIVE_WINDOW); - SDL_EGL_ERROR_TRANSLATE(EGL_CONTEXT_LOST); - } - return ""; -} - -bool SDL_EGL_SetErrorEx(const char *message, const char *eglFunctionName, EGLint eglErrorCode) -{ - const char *errorText = SDL_EGL_GetErrorName(eglErrorCode); - char altErrorText[32]; - if (errorText[0] == '\0') { - // An unknown-to-SDL error code was reported. Report its hexadecimal value, instead of its name. - (void)SDL_snprintf(altErrorText, SDL_arraysize(altErrorText), "0x%x", (unsigned int)eglErrorCode); - errorText = altErrorText; - } - return SDL_SetError("%s (call to %s failed, reporting an error of %s)", message, eglFunctionName, errorText); -} - -// EGL implementation of SDL OpenGL ES support - -bool SDL_EGL_HasExtension(SDL_VideoDevice *_this, SDL_EGL_ExtensionType type, const char *ext) -{ - size_t ext_len; - const char *ext_override; - const char *egl_extstr; - const char *ext_start; - - // Invalid extensions can be rejected early - if (!ext || *ext == 0 || SDL_strchr(ext, ' ') != NULL) { - // SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "SDL_EGL_HasExtension: Invalid EGL extension"); - return false; - } - - /* Extensions can be masked with a hint or environment variable. - * Unlike the OpenGL override, this will use the set bits of an integer - * to disable the extension. - * Bit Action - * 0 If set, the display extension is masked and not present to SDL. - * 1 If set, the client extension is masked and not present to SDL. - */ - ext_override = SDL_GetHint(ext); - if (ext_override) { - int disable_ext = SDL_atoi(ext_override); - if (disable_ext & 0x01 && type == SDL_EGL_DISPLAY_EXTENSION) { - return false; - } else if (disable_ext & 0x02 && type == SDL_EGL_CLIENT_EXTENSION) { - return false; - } - } - - ext_len = SDL_strlen(ext); - switch (type) { - case SDL_EGL_DISPLAY_EXTENSION: - egl_extstr = _this->egl_data->eglQueryString(_this->egl_data->egl_display, EGL_EXTENSIONS); - break; - case SDL_EGL_CLIENT_EXTENSION: - /* EGL_EXT_client_extensions modifies eglQueryString to return client extensions - * if EGL_NO_DISPLAY is passed. Implementations without it are required to return NULL. - * This behavior is included in EGL 1.5. - */ - egl_extstr = _this->egl_data->eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS); - break; - default: - // SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "SDL_EGL_HasExtension: Invalid extension type"); - return false; - } - - if (egl_extstr) { - ext_start = egl_extstr; - - while (*ext_start) { - ext_start = SDL_strstr(ext_start, ext); - if (!ext_start) { - return false; - } - // Check if the match is not just a substring of one of the extensions - if (ext_start == egl_extstr || *(ext_start - 1) == ' ') { - if (ext_start[ext_len] == ' ' || ext_start[ext_len] == 0) { - return true; - } - } - // If the search stopped in the middle of an extension, skip to the end of it - ext_start += ext_len; - while (*ext_start != ' ' && *ext_start != 0) { - ext_start++; - } - } - } - - return false; -} - -SDL_FunctionPointer SDL_EGL_GetProcAddressInternal(SDL_VideoDevice *_this, const char *proc) -{ - SDL_FunctionPointer result = NULL; - if (_this->egl_data) { - const Uint32 eglver = (((Uint32)_this->egl_data->egl_version_major) << 16) | ((Uint32)_this->egl_data->egl_version_minor); - const bool is_egl_15_or_later = eglver >= ((((Uint32)1) << 16) | 5); - - // EGL 1.5 can use eglGetProcAddress() for any symbol. 1.4 and earlier can't use it for core entry points. - if (!result && is_egl_15_or_later && _this->egl_data->eglGetProcAddress) { - result = _this->egl_data->eglGetProcAddress(proc); - } - -#if !defined(SDL_PLATFORM_EMSCRIPTEN) && !defined(SDL_VIDEO_DRIVER_VITA) // LoadFunction isn't needed on Emscripten and will call dlsym(), causing other problems. - // Try SDL_LoadFunction() first for EGL <= 1.4, or as a fallback for >= 1.5. - if (!result) { - result = SDL_LoadFunction(_this->egl_data->opengl_dll_handle, proc); - } -#endif - - // Try eglGetProcAddress if we're on <= 1.4 and still searching... - if (!result && !is_egl_15_or_later && _this->egl_data->eglGetProcAddress) { - result = _this->egl_data->eglGetProcAddress(proc); - } - } - return result; -} - -void SDL_EGL_UnloadLibrary(SDL_VideoDevice *_this) -{ - if (_this->egl_data) { - if (_this->egl_data->egl_display) { - _this->egl_data->eglTerminate(_this->egl_data->egl_display); - _this->egl_data->egl_display = NULL; - } - - if (_this->egl_data->egl_dll_handle) { - SDL_UnloadObject(_this->egl_data->egl_dll_handle); - _this->egl_data->egl_dll_handle = NULL; - } - if (_this->egl_data->opengl_dll_handle) { - SDL_UnloadObject(_this->egl_data->opengl_dll_handle); - _this->egl_data->opengl_dll_handle = NULL; - } - - SDL_free(_this->egl_data); - _this->egl_data = NULL; - } -} - -static bool SDL_EGL_LoadLibraryInternal(SDL_VideoDevice *_this, const char *egl_path) -{ - SDL_SharedObject *egl_dll_handle = NULL; -#if !defined(SDL_VIDEO_STATIC_ANGLE) && !defined(SDL_VIDEO_DRIVER_VITA) - SDL_SharedObject *opengl_dll_handle = NULL; -#endif - const char *path = NULL; -#if defined(SDL_VIDEO_DRIVER_WINDOWS) - const char *d3dcompiler; -#endif -#ifdef SDL_VIDEO_DRIVER_RPI - bool vc4 = (0 == access("/sys/module/vc4/", F_OK)); -#endif - -#if defined(SDL_VIDEO_DRIVER_WINDOWS) - d3dcompiler = SDL_GetHint(SDL_HINT_VIDEO_WIN_D3DCOMPILER); - if (d3dcompiler) { - if (SDL_strcasecmp(d3dcompiler, "none") != 0) { - if (SDL_LoadObject(d3dcompiler) == NULL) { - SDL_ClearError(); - } - } - } else { - if (WIN_IsWindowsVistaOrGreater()) { - // Try the newer d3d compilers first - const char *d3dcompiler_list[] = { - "d3dcompiler_47.dll", - "d3dcompiler_46.dll", - }; - int i; - - for (i = 0; i < SDL_arraysize(d3dcompiler_list); ++i) { - if (SDL_LoadObject(d3dcompiler_list[i]) != NULL) { - break; - } - SDL_ClearError(); - } - } else { - if (SDL_LoadObject("d3dcompiler_43.dll") == NULL) { - SDL_ClearError(); - } - } - } -#endif - -#if !defined(SDL_VIDEO_STATIC_ANGLE) && !defined(SDL_VIDEO_DRIVER_VITA) - /* A funny thing, loading EGL.so first does not work on the Raspberry, so we load libGL* first */ - path = SDL_GetHint(SDL_HINT_OPENGL_LIBRARY); - if (path) { - opengl_dll_handle = SDL_LoadObject(path); - } - - if (!opengl_dll_handle) { - if (_this->gl_config.profile_mask == SDL_GL_CONTEXT_PROFILE_ES) { - if (_this->gl_config.major_version > 1) { - path = DEFAULT_OGL_ES2; - opengl_dll_handle = SDL_LoadObject(path); -#ifdef ALT_OGL_ES2 - if (!opengl_dll_handle && !vc4) { - path = ALT_OGL_ES2; - opengl_dll_handle = SDL_LoadObject(path); - } -#endif - - } else { - path = DEFAULT_OGL_ES; - opengl_dll_handle = SDL_LoadObject(path); - if (!opengl_dll_handle) { - path = DEFAULT_OGL_ES_PVR; - opengl_dll_handle = SDL_LoadObject(path); - } -#ifdef ALT_OGL_ES2 - if (!opengl_dll_handle && !vc4) { - path = ALT_OGL_ES2; - opengl_dll_handle = SDL_LoadObject(path); - } -#endif - } - } -#ifdef DEFAULT_OGL - else { - path = DEFAULT_OGL; - opengl_dll_handle = SDL_LoadObject(path); -#ifdef ALT_OGL - if (!opengl_dll_handle) { - path = ALT_OGL; - opengl_dll_handle = SDL_LoadObject(path); - } -#endif - } -#endif - } - _this->egl_data->opengl_dll_handle = opengl_dll_handle; - - if (!opengl_dll_handle) { - return SDL_SetError("Could not initialize OpenGL / GLES library"); - } - - /* Loading libGL* in the previous step took care of loading libEGL.so, but we future proof by double checking */ - if (egl_path) { - egl_dll_handle = SDL_LoadObject(egl_path); - } - // Try loading a EGL symbol, if it does not work try the default library paths - if (!egl_dll_handle || SDL_LoadFunction(egl_dll_handle, "eglChooseConfig") == NULL) { - if (egl_dll_handle) { - SDL_UnloadObject(egl_dll_handle); - } - path = SDL_GetHint(SDL_HINT_EGL_LIBRARY); - if (!path) { - path = DEFAULT_EGL; - } - egl_dll_handle = SDL_LoadObject(path); - -#ifdef ALT_EGL - if (!egl_dll_handle && !vc4) { - path = ALT_EGL; - egl_dll_handle = SDL_LoadObject(path); - } -#endif - - if (!egl_dll_handle || SDL_LoadFunction(egl_dll_handle, "eglChooseConfig") == NULL) { - if (egl_dll_handle) { - SDL_UnloadObject(egl_dll_handle); - } - return SDL_SetError("Could not load EGL library"); - } - SDL_ClearError(); - } -#endif - - _this->egl_data->egl_dll_handle = egl_dll_handle; - - // Load new function pointers - LOAD_FUNC(PFNEGLGETDISPLAYPROC, eglGetDisplay); - LOAD_FUNC(PFNEGLINITIALIZEPROC, eglInitialize); - LOAD_FUNC(PFNEGLTERMINATEPROC, eglTerminate); - LOAD_FUNC(PFNEGLGETPROCADDRESSPROC, eglGetProcAddress); - LOAD_FUNC(PFNEGLCHOOSECONFIGPROC, eglChooseConfig); - LOAD_FUNC(PFNEGLCREATECONTEXTPROC, eglCreateContext); - LOAD_FUNC(PFNEGLDESTROYCONTEXTPROC, eglDestroyContext); - LOAD_FUNC(PFNEGLCREATEPBUFFERSURFACEPROC, eglCreatePbufferSurface); - LOAD_FUNC(PFNEGLCREATEWINDOWSURFACEPROC, eglCreateWindowSurface); - LOAD_FUNC(PFNEGLDESTROYSURFACEPROC, eglDestroySurface); - LOAD_FUNC(PFNEGLMAKECURRENTPROC, eglMakeCurrent); - LOAD_FUNC(PFNEGLSWAPBUFFERSPROC, eglSwapBuffers); - LOAD_FUNC(PFNEGLSWAPINTERVALPROC, eglSwapInterval); - LOAD_FUNC(PFNEGLQUERYSTRINGPROC, eglQueryString); - LOAD_FUNC(PFNEGLGETCONFIGATTRIBPROC, eglGetConfigAttrib); - LOAD_FUNC(PFNEGLWAITNATIVEPROC, eglWaitNative); - LOAD_FUNC(PFNEGLWAITGLPROC, eglWaitGL); - LOAD_FUNC(PFNEGLBINDAPIPROC, eglBindAPI); - LOAD_FUNC(PFNEGLGETERRORPROC, eglGetError); - LOAD_FUNC_EGLEXT(PFNEGLQUERYDEVICESEXTPROC, eglQueryDevicesEXT); - LOAD_FUNC_EGLEXT(PFNEGLGETPLATFORMDISPLAYEXTPROC, eglGetPlatformDisplayEXT); - // Atomic functions - LOAD_FUNC_EGLEXT(PFNEGLCREATESYNCKHRPROC, eglCreateSyncKHR); - LOAD_FUNC_EGLEXT(PFNEGLDESTROYSYNCKHRPROC, eglDestroySyncKHR); - LOAD_FUNC_EGLEXT(PFNEGLDUPNATIVEFENCEFDANDROIDPROC, eglDupNativeFenceFDANDROID); - LOAD_FUNC_EGLEXT(PFNEGLWAITSYNCKHRPROC, eglWaitSyncKHR); - LOAD_FUNC_EGLEXT(PFNEGLCLIENTWAITSYNCKHRPROC, eglClientWaitSyncKHR); - // Atomic functions end - - if (path) { - SDL_strlcpy(_this->gl_config.driver_path, path, sizeof(_this->gl_config.driver_path) - 1); - } else { - *_this->gl_config.driver_path = '\0'; - } - - return true; -} - -bool SDL_EGL_LoadLibraryOnly(SDL_VideoDevice *_this, const char *egl_path) -{ - if (_this->egl_data) { - return SDL_SetError("EGL context already created"); - } - - _this->egl_data = (struct SDL_EGL_VideoData *)SDL_calloc(1, sizeof(SDL_EGL_VideoData)); - if (!_this->egl_data) { - return false; - } - - if (!SDL_EGL_LoadLibraryInternal(_this, egl_path)) { - SDL_free(_this->egl_data); - _this->egl_data = NULL; - return false; - } - return true; -} - -static void SDL_EGL_GetVersion(SDL_VideoDevice *_this) -{ - if (_this->egl_data->eglQueryString) { - const char *egl_version = _this->egl_data->eglQueryString(_this->egl_data->egl_display, EGL_VERSION); - if (egl_version) { - int major = 0, minor = 0; - if (SDL_sscanf(egl_version, "%d.%d", &major, &minor) == 2) { - _this->egl_data->egl_version_major = major; - _this->egl_data->egl_version_minor = minor; - } else { - SDL_LogWarn(SDL_LOG_CATEGORY_VIDEO, "Could not parse EGL version string: %s", egl_version); - } - } - } -} - -bool SDL_EGL_LoadLibrary(SDL_VideoDevice *_this, const char *egl_path, NativeDisplayType native_display, EGLenum platform) -{ - if (!SDL_EGL_LoadLibraryOnly(_this, egl_path)) { - return false; - } - - _this->egl_data->egl_display = EGL_NO_DISPLAY; - -#ifndef SDL_VIDEO_DRIVER_VITA - if (platform) { - /* EGL 1.5 allows querying for client version with EGL_NO_DISPLAY - * -- - * Khronos doc: "EGL_BAD_DISPLAY is generated if display is not an EGL display connection, unless display is EGL_NO_DISPLAY and name is EGL_EXTENSIONS." - * Therefore SDL_EGL_GetVersion() shouldn't work with uninitialized display. - * - it actually doesn't work on Android that has 1.5 egl client - * - it works on desktop X11 (using SDL_VIDEO_FORCE_EGL=1) */ - SDL_EGL_GetVersion(_this); - - if (_this->egl_data->egl_version_major == 1 && _this->egl_data->egl_version_minor == 5) { - LOAD_FUNC(PFNEGLGETPLATFORMDISPLAYPROC, eglGetPlatformDisplay); - } - - if (_this->egl_data->eglGetPlatformDisplay) { - EGLAttrib *attribs = NULL; - if (_this->egl_platformattrib_callback) { - attribs = _this->egl_platformattrib_callback(_this->egl_attrib_callback_userdata); - if (!attribs) { - _this->gl_config.driver_loaded = 0; - *_this->gl_config.driver_path = '\0'; - return SDL_SetError("EGL platform attribute callback returned NULL pointer"); - } - } - _this->egl_data->egl_display = _this->egl_data->eglGetPlatformDisplay(platform, (void *)(uintptr_t)native_display, attribs); - SDL_free(attribs); - } else { - if (SDL_EGL_HasExtension(_this, SDL_EGL_CLIENT_EXTENSION, "EGL_EXT_platform_base")) { - _this->egl_data->eglGetPlatformDisplayEXT = (PFNEGLGETPLATFORMDISPLAYEXTPROC)SDL_EGL_GetProcAddressInternal(_this, "eglGetPlatformDisplayEXT"); - if (_this->egl_data->eglGetPlatformDisplayEXT) { - _this->egl_data->egl_display = _this->egl_data->eglGetPlatformDisplayEXT(platform, (void *)(uintptr_t)native_display, NULL); - } - } - } - } -#endif - // Try the implementation-specific eglGetDisplay even if eglGetPlatformDisplay fails - if ((_this->egl_data->egl_display == EGL_NO_DISPLAY) && - (_this->egl_data->eglGetDisplay) && - SDL_GetHintBoolean(SDL_HINT_VIDEO_EGL_ALLOW_GETDISPLAY_FALLBACK, true)) { - _this->egl_data->egl_display = _this->egl_data->eglGetDisplay(native_display); - } - if (_this->egl_data->egl_display == EGL_NO_DISPLAY) { - _this->gl_config.driver_loaded = 0; - *_this->gl_config.driver_path = '\0'; - return SDL_SetError("Could not get EGL display"); - } - - if (_this->egl_data->eglInitialize(_this->egl_data->egl_display, NULL, NULL) != EGL_TRUE) { - _this->gl_config.driver_loaded = 0; - *_this->gl_config.driver_path = '\0'; - return SDL_SetError("Could not initialize EGL"); - } - - // Get the EGL version with a valid egl_display, for EGL <= 1.4 - SDL_EGL_GetVersion(_this); - - _this->egl_data->is_offscreen = false; - - return true; -} - -/** - On multi GPU machines EGL device 0 is not always the first valid GPU. - Container environments can restrict access to some GPUs that are still listed in the EGL - device list. If the requested device is a restricted GPU and cannot be used - (eglInitialize() will fail) then attempt to automatically and silently select the next - valid available GPU for EGL to use. -*/ - -bool SDL_EGL_InitializeOffscreen(SDL_VideoDevice *_this, int device) -{ - void *egl_devices[SDL_EGL_MAX_DEVICES]; - EGLint num_egl_devices = 0; - const char *egl_device_hint; - - if (_this->gl_config.driver_loaded <= 0) { - return SDL_SetError("SDL_EGL_LoadLibraryOnly() has not been called or has failed."); - } - - // Check for all extensions that are optional until used and fail if any is missing - if (!_this->egl_data->eglQueryDevicesEXT) { - return SDL_SetError("eglQueryDevicesEXT is missing (EXT_device_enumeration not supported by the drivers?)"); - } - - if (!_this->egl_data->eglGetPlatformDisplayEXT) { - return SDL_SetError("eglGetPlatformDisplayEXT is missing (EXT_platform_base not supported by the drivers?)"); - } - - if (_this->egl_data->eglQueryDevicesEXT(SDL_EGL_MAX_DEVICES, egl_devices, &num_egl_devices) != EGL_TRUE) { - return SDL_SetError("eglQueryDevicesEXT() failed"); - } - - egl_device_hint = SDL_GetHint("SDL_HINT_EGL_DEVICE"); - if (egl_device_hint) { - device = SDL_atoi(egl_device_hint); - - if (device >= num_egl_devices) { - return SDL_SetError("Invalid EGL device is requested."); - } - - _this->egl_data->egl_display = _this->egl_data->eglGetPlatformDisplayEXT(EGL_PLATFORM_DEVICE_EXT, egl_devices[device], NULL); - - if (_this->egl_data->egl_display == EGL_NO_DISPLAY) { - return SDL_SetError("eglGetPlatformDisplayEXT() failed."); - } - - if (_this->egl_data->eglInitialize(_this->egl_data->egl_display, NULL, NULL) != EGL_TRUE) { - return SDL_SetError("Could not initialize EGL"); - } - } else { - int i; - bool found = false; - EGLDisplay attempted_egl_display; - - // If no hint is provided lets look for the first device/display that will allow us to eglInit - for (i = 0; i < num_egl_devices; i++) { - attempted_egl_display = _this->egl_data->eglGetPlatformDisplayEXT(EGL_PLATFORM_DEVICE_EXT, egl_devices[i], NULL); - - if (attempted_egl_display == EGL_NO_DISPLAY) { - continue; - } - - if (_this->egl_data->eglInitialize(attempted_egl_display, NULL, NULL) != EGL_TRUE) { - _this->egl_data->eglTerminate(attempted_egl_display); - continue; - } - - // We did not fail, we'll pick this one! - _this->egl_data->egl_display = attempted_egl_display; - found = true; - - break; - } - - if (!found) { - return SDL_SetError("Could not find a valid EGL device to initialize"); - } - } - - // Get the EGL version with a valid egl_display, for EGL <= 1.4 - SDL_EGL_GetVersion(_this); - - _this->egl_data->is_offscreen = true; - - return true; -} - -void SDL_EGL_SetRequiredVisualId(SDL_VideoDevice *_this, int visual_id) -{ - _this->egl_data->egl_required_visual_id = visual_id; -} - -#ifdef DUMP_EGL_CONFIG - -#define ATTRIBUTE(_attr) \ - { \ - _attr, #_attr \ - } - -typedef struct -{ - EGLint attribute; - char const *name; -} Attribute; - -static Attribute all_attributes[] = { - ATTRIBUTE(EGL_BUFFER_SIZE), - ATTRIBUTE(EGL_ALPHA_SIZE), - ATTRIBUTE(EGL_BLUE_SIZE), - ATTRIBUTE(EGL_GREEN_SIZE), - ATTRIBUTE(EGL_RED_SIZE), - ATTRIBUTE(EGL_DEPTH_SIZE), - ATTRIBUTE(EGL_STENCIL_SIZE), - ATTRIBUTE(EGL_CONFIG_CAVEAT), - ATTRIBUTE(EGL_CONFIG_ID), - ATTRIBUTE(EGL_LEVEL), - ATTRIBUTE(EGL_MAX_PBUFFER_HEIGHT), - ATTRIBUTE(EGL_MAX_PBUFFER_WIDTH), - ATTRIBUTE(EGL_MAX_PBUFFER_PIXELS), - ATTRIBUTE(EGL_NATIVE_RENDERABLE), - ATTRIBUTE(EGL_NATIVE_VISUAL_ID), - ATTRIBUTE(EGL_NATIVE_VISUAL_TYPE), - ATTRIBUTE(EGL_SAMPLES), - ATTRIBUTE(EGL_SAMPLE_BUFFERS), - ATTRIBUTE(EGL_SURFACE_TYPE), - ATTRIBUTE(EGL_TRANSPARENT_TYPE), - ATTRIBUTE(EGL_TRANSPARENT_BLUE_VALUE), - ATTRIBUTE(EGL_TRANSPARENT_GREEN_VALUE), - ATTRIBUTE(EGL_TRANSPARENT_RED_VALUE), - ATTRIBUTE(EGL_BIND_TO_TEXTURE_RGB), - ATTRIBUTE(EGL_BIND_TO_TEXTURE_RGBA), - ATTRIBUTE(EGL_MIN_SWAP_INTERVAL), - ATTRIBUTE(EGL_MAX_SWAP_INTERVAL), - ATTRIBUTE(EGL_LUMINANCE_SIZE), - ATTRIBUTE(EGL_ALPHA_MASK_SIZE), - ATTRIBUTE(EGL_COLOR_BUFFER_TYPE), - ATTRIBUTE(EGL_RENDERABLE_TYPE), - ATTRIBUTE(EGL_MATCH_NATIVE_PIXMAP), - ATTRIBUTE(EGL_CONFORMANT), -}; - -static void dumpconfig(SDL_VideoDevice *_this, EGLConfig config) -{ - int attr; - for (attr = 0; attr < sizeof(all_attributes) / sizeof(Attribute); attr++) { - EGLint value; - _this->egl_data->eglGetConfigAttrib(_this->egl_data->egl_display, config, all_attributes[attr].attribute, &value); - SDL_Log("\t%-32s: %10d (0x%08x)", all_attributes[attr].name, value, value); - } -} - -#endif // DUMP_EGL_CONFIG - -static bool SDL_EGL_PrivateChooseConfig(SDL_VideoDevice *_this, bool set_config_caveat_none) -{ - // 64 seems nice. - EGLint attribs[64]; - EGLint found_configs = 0, value; - // 128 seems even nicer here - EGLConfig configs[128]; - bool has_matching_format = false; - int i, j, best_bitdiff = -1, best_truecolor_bitdiff = -1; - int truecolor_config_idx = -1; - - // Get a valid EGL configuration - i = 0; - attribs[i++] = EGL_RED_SIZE; - attribs[i++] = _this->gl_config.red_size; - attribs[i++] = EGL_GREEN_SIZE; - attribs[i++] = _this->gl_config.green_size; - attribs[i++] = EGL_BLUE_SIZE; - attribs[i++] = _this->gl_config.blue_size; - - if (set_config_caveat_none) { - attribs[i++] = EGL_CONFIG_CAVEAT; - attribs[i++] = EGL_NONE; - } - - if (_this->gl_config.alpha_size) { - attribs[i++] = EGL_ALPHA_SIZE; - attribs[i++] = _this->gl_config.alpha_size; - } - - if (_this->gl_config.buffer_size) { - attribs[i++] = EGL_BUFFER_SIZE; - attribs[i++] = _this->gl_config.buffer_size; - } - - if (_this->gl_config.depth_size) { - attribs[i++] = EGL_DEPTH_SIZE; - attribs[i++] = _this->gl_config.depth_size; - } - - if (_this->gl_config.stencil_size) { - attribs[i++] = EGL_STENCIL_SIZE; - attribs[i++] = _this->gl_config.stencil_size; - } - - if (_this->gl_config.multisamplebuffers) { - attribs[i++] = EGL_SAMPLE_BUFFERS; - attribs[i++] = _this->gl_config.multisamplebuffers; - } - - if (_this->gl_config.multisamplesamples) { - attribs[i++] = EGL_SAMPLES; - attribs[i++] = _this->gl_config.multisamplesamples; - } - - if (_this->gl_config.floatbuffers) { - attribs[i++] = EGL_COLOR_COMPONENT_TYPE_EXT; - attribs[i++] = EGL_COLOR_COMPONENT_TYPE_FLOAT_EXT; - } - - if (_this->egl_data->is_offscreen) { - attribs[i++] = EGL_SURFACE_TYPE; - attribs[i++] = EGL_PBUFFER_BIT; - } - - attribs[i++] = EGL_RENDERABLE_TYPE; - if (_this->gl_config.profile_mask == SDL_GL_CONTEXT_PROFILE_ES) { -#ifdef EGL_KHR_create_context - if (_this->gl_config.major_version >= 3 && - SDL_EGL_HasExtension(_this, SDL_EGL_DISPLAY_EXTENSION, "EGL_KHR_create_context")) { - attribs[i++] = EGL_OPENGL_ES3_BIT_KHR; - } else -#endif - if (_this->gl_config.major_version >= 2) { - attribs[i++] = EGL_OPENGL_ES2_BIT; - } else { - attribs[i++] = EGL_OPENGL_ES_BIT; - } - _this->egl_data->eglBindAPI(EGL_OPENGL_ES_API); - } else { - attribs[i++] = EGL_OPENGL_BIT; - _this->egl_data->eglBindAPI(EGL_OPENGL_API); - } - - if (_this->egl_data->egl_surfacetype) { - attribs[i++] = EGL_SURFACE_TYPE; - attribs[i++] = _this->egl_data->egl_surfacetype; - } - - attribs[i++] = EGL_NONE; - - SDL_assert(i < SDL_arraysize(attribs)); - - if (_this->egl_data->eglChooseConfig(_this->egl_data->egl_display, - attribs, - configs, SDL_arraysize(configs), - &found_configs) == EGL_FALSE || - found_configs == 0) { - return false; - } - - // first ensure that a found config has a matching format, or the function will fall through. - if (_this->egl_data->egl_required_visual_id) { - for (i = 0; i < found_configs; i++) { - EGLint format; - _this->egl_data->eglGetConfigAttrib(_this->egl_data->egl_display, - configs[i], - EGL_NATIVE_VISUAL_ID, &format); - if (_this->egl_data->egl_required_visual_id == format) { - has_matching_format = true; - break; - } - } - } - - // eglChooseConfig returns a number of configurations that match or exceed the requested attribs. - // From those, we select the one that matches our requirements more closely via a makeshift algorithm - - for (i = 0; i < found_configs; i++) { - bool is_truecolor = false; - int bitdiff = 0; - - if (has_matching_format && _this->egl_data->egl_required_visual_id) { - EGLint format; - _this->egl_data->eglGetConfigAttrib(_this->egl_data->egl_display, - configs[i], - EGL_NATIVE_VISUAL_ID, &format); - if (_this->egl_data->egl_required_visual_id != format) { - continue; - } - } - - _this->egl_data->eglGetConfigAttrib(_this->egl_data->egl_display, configs[i], EGL_RED_SIZE, &value); - if (value == 8) { - _this->egl_data->eglGetConfigAttrib(_this->egl_data->egl_display, configs[i], EGL_GREEN_SIZE, &value); - if (value == 8) { - _this->egl_data->eglGetConfigAttrib(_this->egl_data->egl_display, configs[i], EGL_BLUE_SIZE, &value); - if (value == 8) { - is_truecolor = true; - } - } - } - - for (j = 0; j < SDL_arraysize(attribs) - 1; j += 2) { - if (attribs[j] == EGL_NONE) { - break; - } - - if (attribs[j + 1] != EGL_DONT_CARE && (attribs[j] == EGL_RED_SIZE || - attribs[j] == EGL_GREEN_SIZE || - attribs[j] == EGL_BLUE_SIZE || - attribs[j] == EGL_ALPHA_SIZE || - attribs[j] == EGL_DEPTH_SIZE || - attribs[j] == EGL_STENCIL_SIZE)) { - _this->egl_data->eglGetConfigAttrib(_this->egl_data->egl_display, configs[i], attribs[j], &value); - bitdiff += value - attribs[j + 1]; // value is always >= attrib - } - } - - if ((bitdiff < best_bitdiff) || (best_bitdiff == -1)) { - _this->egl_data->egl_config = configs[i]; - best_bitdiff = bitdiff; - } - - if (is_truecolor && ((bitdiff < best_truecolor_bitdiff) || (best_truecolor_bitdiff == -1))) { - truecolor_config_idx = i; - best_truecolor_bitdiff = bitdiff; - } - } - -#define FAVOR_TRUECOLOR 1 -#if FAVOR_TRUECOLOR - /* Some apps request a low color depth, either because they _assume_ - they'll get a larger one but don't want to fail if only smaller ones - are available, or they just never called SDL_GL_SetAttribute at all and - got a tiny default. For these cases, a game that would otherwise run - at 24-bit color might get dithered down to something smaller, which is - worth avoiding. If the app requested <= 16 bit color and an exact 24-bit - match is available, favor that. Otherwise, we look for the closest - match. Note that while the API promises what you request _or better_, - it's feasible this can be disastrous for performance for custom software - on small hardware that all expected to actually get 16-bit color. In this - case, turn off FAVOR_TRUECOLOR (and maybe send a patch to make this more - flexible). */ - if (((_this->gl_config.red_size + _this->gl_config.blue_size + _this->gl_config.green_size) <= 16)) { - if (truecolor_config_idx != -1) { - _this->egl_data->egl_config = configs[truecolor_config_idx]; - } - } -#endif - -#ifdef DUMP_EGL_CONFIG - dumpconfig(_this, _this->egl_data->egl_config); -#endif - - return true; -} - -bool SDL_EGL_ChooseConfig(SDL_VideoDevice *_this) -{ - if (!_this->egl_data) { - return SDL_SetError("EGL not initialized"); - } - - // Try with EGL_CONFIG_CAVEAT set to EGL_NONE, to avoid any EGL_SLOW_CONFIG or EGL_NON_CONFORMANT_CONFIG - if (SDL_EGL_PrivateChooseConfig(_this, true)) { - return true; - } - - // Fallback with all configs - if (SDL_EGL_PrivateChooseConfig(_this, false)) { - SDL_Log("SDL_EGL_ChooseConfig: found a slow EGL config"); - return true; - } - - return SDL_EGL_SetError("Couldn't find matching EGL config", "eglChooseConfig"); -} - -SDL_GLContext SDL_EGL_CreateContext(SDL_VideoDevice *_this, EGLSurface egl_surface) -{ - // max 16 key+value pairs plus terminator. - EGLint attribs[33]; - int attr = 0; - - EGLContext egl_context, share_context = EGL_NO_CONTEXT; - EGLint profile_mask = _this->gl_config.profile_mask; - EGLint major_version = _this->gl_config.major_version; - EGLint minor_version = _this->gl_config.minor_version; - bool profile_es = (profile_mask == SDL_GL_CONTEXT_PROFILE_ES); - - if (!_this->egl_data) { - SDL_SetError("EGL not initialized"); - return NULL; - } - - if (_this->gl_config.share_with_current_context) { - share_context = (EGLContext)SDL_GL_GetCurrentContext(); - } - -#ifdef SDL_VIDEO_DRIVER_ANDROID - if (_this->gl_config.flags & SDL_GL_CONTEXT_DEBUG_FLAG) { - /* If SDL_GL_CONTEXT_DEBUG_FLAG is set but EGL_KHR_debug unsupported, unset. - * This is required because some Android devices like to complain about it - * by "silently" failing, logging a hint which could be easily overlooked: - * E/libEGL (26984): validate_display:255 error 3008 (EGL_BAD_DISPLAY) - * The following explicitly checks for EGL_KHR_debug before EGL 1.5 - */ - int egl_version_major = _this->egl_data->egl_version_major; - int egl_version_minor = _this->egl_data->egl_version_minor; - if (((egl_version_major < 1) || (egl_version_major == 1 && egl_version_minor < 5)) && - !SDL_EGL_HasExtension(_this, SDL_EGL_DISPLAY_EXTENSION, "EGL_KHR_debug")) { - // SDL profile bits match EGL profile bits. - _this->gl_config.flags &= ~SDL_GL_CONTEXT_DEBUG_FLAG; - } - } -#endif - - // Set the context version and other attributes. - if ((major_version < 3 || (minor_version == 0 && profile_es)) && - _this->gl_config.flags == 0 && - (profile_mask == 0 || profile_es)) { - /* Create a context without using EGL_KHR_create_context attribs. - * When creating a GLES context without EGL_KHR_create_context we can - * only specify the major version. When creating a desktop GL context - * we can't specify any version, so we only try in that case when the - * version is less than 3.0 (matches SDL's GLX/WGL behavior.) - */ - if (profile_es) { - attribs[attr++] = EGL_CONTEXT_CLIENT_VERSION; - attribs[attr++] = SDL_max(major_version, 1); - } - } else { -#ifdef EGL_KHR_create_context - /* The Major/minor version, context profiles, and context flags can - * only be specified when this extension is available. - */ - if (SDL_EGL_HasExtension(_this, SDL_EGL_DISPLAY_EXTENSION, "EGL_KHR_create_context")) { - attribs[attr++] = EGL_CONTEXT_MAJOR_VERSION_KHR; - attribs[attr++] = major_version; - attribs[attr++] = EGL_CONTEXT_MINOR_VERSION_KHR; - attribs[attr++] = minor_version; - - // SDL profile bits match EGL profile bits. - if (profile_mask != 0 && profile_mask != SDL_GL_CONTEXT_PROFILE_ES) { - attribs[attr++] = EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR; - attribs[attr++] = profile_mask; - } - - // SDL flags match EGL flags. - if (_this->gl_config.flags != 0) { - attribs[attr++] = EGL_CONTEXT_FLAGS_KHR; - attribs[attr++] = _this->gl_config.flags; - } - } else -#endif // EGL_KHR_create_context - { - SDL_SetError("Could not create EGL context (context attributes are not supported)"); - return NULL; - } - } - -#ifdef EGL_KHR_create_context_no_error - if (_this->gl_config.no_error) { - if (SDL_EGL_HasExtension(_this, SDL_EGL_DISPLAY_EXTENSION, "EGL_KHR_create_context_no_error")) { - attribs[attr++] = EGL_CONTEXT_OPENGL_NO_ERROR_KHR; - attribs[attr++] = _this->gl_config.no_error; - } - } -#endif - - if (_this->egl_contextattrib_callback) { - const int maxAttribs = sizeof(attribs) / sizeof(attribs[0]); - EGLint *userAttribs, *userAttribP; - userAttribs = _this->egl_contextattrib_callback(_this->egl_attrib_callback_userdata, _this->egl_data->egl_display, _this->egl_data->egl_config); - if (!userAttribs) { - _this->gl_config.driver_loaded = 0; - *_this->gl_config.driver_path = '\0'; - SDL_SetError("EGL context attribute callback returned NULL pointer"); - return NULL; - } - - for (userAttribP = userAttribs; *userAttribP != EGL_NONE;) { - if (attr + 3 >= maxAttribs) { - _this->gl_config.driver_loaded = 0; - *_this->gl_config.driver_path = '\0'; - SDL_SetError("EGL context attribute callback returned too many attributes"); - return NULL; - } - attribs[attr++] = *userAttribP++; - attribs[attr++] = *userAttribP++; - } - SDL_free(userAttribs); - } - - attribs[attr++] = EGL_NONE; - - // Bind the API - if (profile_es) { - _this->egl_data->apitype = EGL_OPENGL_ES_API; - } else { - _this->egl_data->apitype = EGL_OPENGL_API; - } - _this->egl_data->eglBindAPI(_this->egl_data->apitype); - - egl_context = _this->egl_data->eglCreateContext(_this->egl_data->egl_display, - _this->egl_data->egl_config, - share_context, attribs); - - if (egl_context == EGL_NO_CONTEXT) { - SDL_EGL_SetError("Could not create EGL context", "eglCreateContext"); - return NULL; - } - - _this->egl_data->egl_swapinterval = 0; - - if (!SDL_EGL_MakeCurrent(_this, egl_surface, (SDL_GLContext)egl_context)) { - // Delete the context - SDL_EGL_DestroyContext(_this, (SDL_GLContext)egl_context); - return NULL; - } - - /* Check whether making contexts current without a surface is supported. - * First condition: EGL must support it. That's the case for EGL 1.5 - * or later, or if the EGL_KHR_surfaceless_context extension is present. */ - if ((_this->egl_data->egl_version_major > 1) || - ((_this->egl_data->egl_version_major == 1) && (_this->egl_data->egl_version_minor >= 5)) || - SDL_EGL_HasExtension(_this, SDL_EGL_DISPLAY_EXTENSION, "EGL_KHR_surfaceless_context")) { - // Secondary condition: The client API must support it. - if (profile_es) { - /* On OpenGL ES, the GL_OES_surfaceless_context extension must be - * present. */ - if (SDL_GL_ExtensionSupported("GL_OES_surfaceless_context")) { - _this->gl_allow_no_surface = true; - } -#if defined(SDL_VIDEO_OPENGL) && !defined(SDL_VIDEO_DRIVER_VITA) - } else { - // Desktop OpenGL supports it by default from version 3.0 on. - PFNGLGETINTEGERVPROC glGetIntegervFunc = (PFNGLGETINTEGERVPROC)SDL_GL_GetProcAddress("glGetIntegerv"); - if (glGetIntegervFunc) { - GLint v = 0; - glGetIntegervFunc(GL_MAJOR_VERSION, &v); - if (v >= 3) { - _this->gl_allow_no_surface = true; - } - } -#endif - } - } - - return (SDL_GLContext)egl_context; -} - -bool SDL_EGL_MakeCurrent(SDL_VideoDevice *_this, EGLSurface egl_surface, SDL_GLContext context) -{ - EGLContext egl_context = (EGLContext)context; - - if (!_this->egl_data) { - return SDL_SetError("EGL not initialized"); - } - - if (!_this->egl_data->eglMakeCurrent) { - if (!egl_surface && !context) { - // Can't do the nothing there is to do? Probably trying to cleanup a failed startup, just return. - return true; - } else { - return SDL_SetError("EGL not initialized"); // something clearly went wrong somewhere. - } - } - - // Make sure current thread has a valid API bound to it. - if (_this->egl_data->eglBindAPI) { - _this->egl_data->eglBindAPI(_this->egl_data->apitype); - } - - /* The android emulator crashes badly if you try to eglMakeCurrent - * with a valid context and invalid surface, so we have to check for both here. - */ - if (!egl_context || (!egl_surface && !_this->gl_allow_no_surface)) { - _this->egl_data->eglMakeCurrent(_this->egl_data->egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); - } else { - if (!_this->egl_data->eglMakeCurrent(_this->egl_data->egl_display, - egl_surface, egl_surface, egl_context)) { - return SDL_EGL_SetError("Unable to make EGL context current", "eglMakeCurrent"); - } - } - - return true; -} - -bool SDL_EGL_SetSwapInterval(SDL_VideoDevice *_this, int interval) -{ - EGLBoolean status; - - if (!_this->egl_data) { - return SDL_SetError("EGL not initialized"); - } - - /* FIXME: Revisit this check when EGL_EXT_swap_control_tear is published: - * https://github.com/KhronosGroup/EGL-Registry/pull/113 - */ - if (interval < 0) { - return SDL_SetError("Late swap tearing currently unsupported"); - } - - status = _this->egl_data->eglSwapInterval(_this->egl_data->egl_display, interval); - if (status == EGL_TRUE) { - _this->egl_data->egl_swapinterval = interval; - return true; - } - - return SDL_EGL_SetError("Unable to set the EGL swap interval", "eglSwapInterval"); -} - -bool SDL_EGL_GetSwapInterval(SDL_VideoDevice *_this, int *interval) -{ - if (!_this->egl_data) { - return SDL_SetError("EGL not initialized"); - } - - *interval = _this->egl_data->egl_swapinterval; - return true; -} - -bool SDL_EGL_SwapBuffers(SDL_VideoDevice *_this, EGLSurface egl_surface) -{ - if (!_this->egl_data->eglSwapBuffers(_this->egl_data->egl_display, egl_surface)) { - return SDL_EGL_SetError("unable to show color buffer in an OS-native window", "eglSwapBuffers"); - } - return true; -} - -bool SDL_EGL_DestroyContext(SDL_VideoDevice *_this, SDL_GLContext context) -{ - EGLContext egl_context = (EGLContext)context; - - // Clean up GLES and EGL - if (!_this->egl_data) { - return true; - } - - if (egl_context != NULL && egl_context != EGL_NO_CONTEXT) { - _this->egl_data->eglDestroyContext(_this->egl_data->egl_display, egl_context); - } - return true; -} - -EGLSurface SDL_EGL_CreateSurface(SDL_VideoDevice *_this, SDL_Window *window, NativeWindowType nw) -{ -#ifdef SDL_VIDEO_DRIVER_ANDROID - EGLint format_wanted; - EGLint format_got; -#endif - // max 16 key+value pairs, plus terminator. - EGLint attribs[33]; - int attr = 0; - - EGLSurface surface; - - if (!SDL_EGL_ChooseConfig(_this)) { - return EGL_NO_SURFACE; - } - -#ifdef SDL_VIDEO_DRIVER_ANDROID - /* On Android, EGL_NATIVE_VISUAL_ID is an attribute of the EGLConfig that is - * guaranteed to be accepted by ANativeWindow_setBuffersGeometry(). */ - _this->egl_data->eglGetConfigAttrib(_this->egl_data->egl_display, - _this->egl_data->egl_config, - EGL_NATIVE_VISUAL_ID, &format_wanted); - - // Format based on selected egl config. - ANativeWindow_setBuffersGeometry(nw, 0, 0, format_wanted); -#endif - - if (_this->gl_config.framebuffer_srgb_capable) { -#ifdef EGL_KHR_gl_colorspace - if (SDL_EGL_HasExtension(_this, SDL_EGL_DISPLAY_EXTENSION, "EGL_KHR_gl_colorspace")) { - attribs[attr++] = EGL_GL_COLORSPACE_KHR; - attribs[attr++] = EGL_GL_COLORSPACE_SRGB_KHR; - } else -#endif - { - SDL_SetError("EGL implementation does not support sRGB system framebuffers"); - return EGL_NO_SURFACE; - } - } - -#ifdef EGL_EXT_present_opaque - if (SDL_EGL_HasExtension(_this, SDL_EGL_DISPLAY_EXTENSION, "EGL_EXT_present_opaque")) { - bool allow_transparent = false; - if (window && (window->flags & SDL_WINDOW_TRANSPARENT)) { - allow_transparent = true; - } - attribs[attr++] = EGL_PRESENT_OPAQUE_EXT; - attribs[attr++] = allow_transparent ? EGL_FALSE : EGL_TRUE; - } -#endif - - if (_this->egl_surfaceattrib_callback) { - const int maxAttribs = sizeof(attribs) / sizeof(attribs[0]); - EGLint *userAttribs, *userAttribP; - userAttribs = _this->egl_surfaceattrib_callback(_this->egl_attrib_callback_userdata, _this->egl_data->egl_display, _this->egl_data->egl_config); - if (!userAttribs) { - _this->gl_config.driver_loaded = 0; - *_this->gl_config.driver_path = '\0'; - SDL_SetError("EGL surface attribute callback returned NULL pointer"); - return EGL_NO_SURFACE; - } - - for (userAttribP = userAttribs; *userAttribP != EGL_NONE;) { - if (attr + 3 >= maxAttribs) { - _this->gl_config.driver_loaded = 0; - *_this->gl_config.driver_path = '\0'; - SDL_SetError("EGL surface attribute callback returned too many attributes"); - return EGL_NO_SURFACE; - } - attribs[attr++] = *userAttribP++; - attribs[attr++] = *userAttribP++; - } - SDL_free(userAttribs); - } - - attribs[attr++] = EGL_NONE; - - surface = _this->egl_data->eglCreateWindowSurface( - _this->egl_data->egl_display, - _this->egl_data->egl_config, - nw, &attribs[0]); - if (surface == EGL_NO_SURFACE) { - SDL_EGL_SetError("unable to create an EGL window surface", "eglCreateWindowSurface"); - } - -#ifdef SDL_VIDEO_DRIVER_ANDROID - format_got = ANativeWindow_getFormat(nw); - Android_SetFormat(format_wanted, format_got); -#endif - - return surface; -} - -EGLSurface -SDL_EGL_CreateOffscreenSurface(SDL_VideoDevice *_this, int width, int height) -{ - EGLint attributes[] = { - EGL_WIDTH, 0, - EGL_HEIGHT, 0, - EGL_NONE - }; - attributes[1] = width; - attributes[3] = height; - - if (!SDL_EGL_ChooseConfig(_this)) { - return EGL_NO_SURFACE; - } - - return _this->egl_data->eglCreatePbufferSurface( - _this->egl_data->egl_display, - _this->egl_data->egl_config, - attributes); -} - -void SDL_EGL_DestroySurface(SDL_VideoDevice *_this, EGLSurface egl_surface) -{ - if (!_this->egl_data) { - return; - } - - if (egl_surface != EGL_NO_SURFACE) { - _this->egl_data->eglDestroySurface(_this->egl_data->egl_display, egl_surface); - } -} - -#endif // SDL_VIDEO_OPENGL_EGL -- cgit v1.2.3