-// SwiftShader Software Renderer\r
-//\r
-// Copyright(c) 2005-2012 TransGaming Inc.\r
-//\r
-// All rights reserved. No part of this software may be copied, distributed, transmitted,\r
-// transcribed, stored in a retrieval system, translated into any human or computer\r
-// language by any means, or disclosed to third parties without the explicit written\r
-// agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express\r
-// or implied, including but not limited to any patent rights, are granted to you.\r
-//\r
-\r
-// libEGL.cpp: Implements the exported EGL functions.\r
-\r
-#include "main.h"\r
-#include "Display.h"\r
-#include "Surface.h"\r
-#include "Texture.hpp"\r
-#include "Context.hpp"\r
-#include "common/Image.hpp"\r
-#include "common/debug.h"\r
-#include "Common/Version.h"\r
-\r
-#if defined(__ANDROID__)\r
-#include <system/window.h>\r
-#elif defined(__linux__)\r
-#include "Main/libX11.hpp"\r
-#endif\r
-\r
-#include <string.h>\r
-\r
-using namespace egl;\r
-\r
-static bool validateDisplay(egl::Display *display)\r
-{\r
- if(display == EGL_NO_DISPLAY)\r
- {\r
- return error(EGL_BAD_DISPLAY, false);\r
- }\r
-\r
- if(!display->isInitialized())\r
- {\r
- return error(EGL_NOT_INITIALIZED, false);\r
- }\r
-\r
- return true;\r
-}\r
-\r
-static bool validateConfig(egl::Display *display, EGLConfig config)\r
-{\r
- if(!validateDisplay(display))\r
- {\r
- return false;\r
- }\r
-\r
- if(!display->isValidConfig(config))\r
- {\r
- return error(EGL_BAD_CONFIG, false);\r
- }\r
-\r
- return true;\r
-}\r
-\r
-static bool validateContext(egl::Display *display, egl::Context *context)\r
-{\r
- if(!validateDisplay(display))\r
- {\r
- return false;\r
- }\r
-\r
- if(!display->isValidContext(context))\r
- {\r
- return error(EGL_BAD_CONTEXT, false);\r
- }\r
-\r
- return true;\r
-}\r
-\r
-static bool validateSurface(egl::Display *display, egl::Surface *surface)\r
-{\r
- if(!validateDisplay(display))\r
- {\r
- return false;\r
- }\r
-\r
- if(!display->isValidSurface(surface))\r
- {\r
- return error(EGL_BAD_SURFACE, false);\r
- }\r
-\r
- return true;\r
-}\r
-\r
-namespace egl\r
-{\r
-EGLint GetError(void)\r
-{\r
- TRACE("()");\r
-\r
- EGLint error = egl::getCurrentError();\r
-\r
- if(error != EGL_SUCCESS)\r
- {\r
- egl::setCurrentError(EGL_SUCCESS);\r
- }\r
-\r
- return error;\r
-}\r
-\r
-EGLDisplay GetDisplay(EGLNativeDisplayType display_id)\r
-{\r
- TRACE("(EGLNativeDisplayType display_id = %p)", display_id);\r
-\r
- if(display_id != EGL_DEFAULT_DISPLAY)\r
- {\r
- // FIXME: Check if display_id is the default display\r
- }\r
-\r
- #if defined(__linux__) && !defined(__ANDROID__)\r
- if(!libX11)\r
- {\r
- return success(HEADLESS_DISPLAY);\r
- }\r
- #endif\r
-\r
- return success(PRIMARY_DISPLAY); // We only support the default display\r
-}\r
-\r
-EGLBoolean Initialize(EGLDisplay dpy, EGLint *major, EGLint *minor)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLint *major = %p, EGLint *minor = %p)",\r
- dpy, major, minor);\r
-\r
- if(dpy == EGL_NO_DISPLAY)\r
- {\r
- return error(EGL_BAD_DISPLAY, EGL_FALSE);\r
- }\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
-\r
- if(!display->initialize())\r
- {\r
- return error(EGL_NOT_INITIALIZED, EGL_FALSE);\r
- }\r
-\r
- if(major) *major = 1;\r
- if(minor) *minor = 4;\r
-\r
- return success(EGL_TRUE);\r
-}\r
-\r
-EGLBoolean Terminate(EGLDisplay dpy)\r
-{\r
- TRACE("(EGLDisplay dpy = %p)", dpy);\r
-\r
- if(dpy == EGL_NO_DISPLAY)\r
- {\r
- return error(EGL_BAD_DISPLAY, EGL_FALSE);\r
- }\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
-\r
- display->terminate();\r
-\r
- return success(EGL_TRUE);\r
-}\r
-\r
-const char *QueryString(EGLDisplay dpy, EGLint name)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLint name = %d)", dpy, name);\r
-\r
- #if defined(__linux__) && !defined(__ANDROID__)\r
- if(dpy == EGL_NO_DISPLAY && name == EGL_EXTENSIONS)\r
- {\r
- return success("EGL_KHR_platform_gbm "\r
- "EGL_KHR_platform_x11 "\r
- "EGL_EXT_client_extensions "\r
- "EGL_EXT_platform_base");\r
- }\r
- #endif\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
-\r
- if(!validateDisplay(display))\r
- {\r
- return NULL;\r
- }\r
-\r
- switch(name)\r
- {\r
- case EGL_CLIENT_APIS:\r
- return success("OpenGL_ES");\r
- case EGL_EXTENSIONS:\r
- return success("EGL_KHR_gl_texture_2D_image "\r
- "EGL_KHR_gl_texture_cubemap_image "\r
- "EGL_KHR_gl_renderbuffer_image "\r
- "EGL_KHR_fence_sync "\r
- "EGL_KHR_image_base "\r
- "EGL_ANDROID_framebuffer_target "\r
- "EGL_ANDROID_recordable");\r
- case EGL_VENDOR:\r
- return success("TransGaming Inc.");\r
- case EGL_VERSION:\r
- return success("1.4 SwiftShader " VERSION_STRING);\r
- }\r
-\r
- return error(EGL_BAD_PARAMETER, (const char*)NULL);\r
-}\r
-\r
-EGLBoolean GetConfigs(EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLConfig *configs = %p, "\r
- "EGLint config_size = %d, EGLint *num_config = %p)",\r
- dpy, configs, config_size, num_config);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
-\r
- if(!validateDisplay(display))\r
- {\r
- return EGL_FALSE;\r
- }\r
-\r
- if(!num_config)\r
- {\r
- return error(EGL_BAD_PARAMETER, EGL_FALSE);\r
- }\r
-\r
- const EGLint attribList[] = {EGL_NONE};\r
-\r
- if(!display->getConfigs(configs, attribList, config_size, num_config))\r
- {\r
- return error(EGL_BAD_ATTRIBUTE, EGL_FALSE);\r
- }\r
-\r
- return success(EGL_TRUE);\r
-}\r
-\r
-EGLBoolean ChooseConfig(EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, const EGLint *attrib_list = %p, "\r
- "EGLConfig *configs = %p, EGLint config_size = %d, EGLint *num_config = %p)",\r
- dpy, attrib_list, configs, config_size, num_config);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
-\r
- if(!validateDisplay(display))\r
- {\r
- return EGL_FALSE;\r
- }\r
-\r
- if(!num_config)\r
- {\r
- return error(EGL_BAD_PARAMETER, EGL_FALSE);\r
- }\r
-\r
- const EGLint attribList[] = {EGL_NONE};\r
-\r
- if(!attrib_list)\r
- {\r
- attrib_list = attribList;\r
- }\r
-\r
- if(!display->getConfigs(configs, attrib_list, config_size, num_config))\r
- {\r
- return error(EGL_BAD_ATTRIBUTE, EGL_FALSE);\r
- }\r
-\r
- return success(EGL_TRUE);\r
-}\r
-\r
-EGLBoolean GetConfigAttrib(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLConfig config = %p, EGLint attribute = %d, EGLint *value = %p)",\r
- dpy, config, attribute, value);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
-\r
- if(!validateConfig(display, config))\r
- {\r
- return EGL_FALSE;\r
- }\r
-\r
- if(!display->getConfigAttrib(config, attribute, value))\r
- {\r
- return error(EGL_BAD_ATTRIBUTE, EGL_FALSE);\r
- }\r
-\r
- return success(EGL_TRUE);\r
-}\r
-\r
-EGLSurface CreateWindowSurface(EGLDisplay dpy, EGLConfig config, EGLNativeWindowType window, const EGLint *attrib_list)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLConfig config = %p, EGLNativeWindowType win = %p, "\r
- "const EGLint *attrib_list = %p)", dpy, config, window, attrib_list);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
-\r
- if(!validateConfig(display, config))\r
- {\r
- return EGL_NO_SURFACE;\r
- }\r
-\r
- if(!display->isValidWindow(window))\r
- {\r
- return error(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);\r
- }\r
-\r
- return display->createWindowSurface(window, config, attrib_list);\r
-}\r
-\r
-EGLSurface CreatePbufferSurface(EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLConfig config = %p, const EGLint *attrib_list = %p)",\r
- dpy, config, attrib_list);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
-\r
- if(!validateConfig(display, config))\r
- {\r
- return EGL_NO_SURFACE;\r
- }\r
-\r
- return display->createPBufferSurface(config, attrib_list);\r
-}\r
-\r
-EGLSurface CreatePixmapSurface(EGLDisplay dpy, EGLConfig config, EGLNativePixmapType pixmap, const EGLint *attrib_list)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLConfig config = %p, EGLNativePixmapType pixmap = %p, "\r
- "const EGLint *attrib_list = %p)", dpy, config, pixmap, attrib_list);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
-\r
- if(!validateConfig(display, config))\r
- {\r
- return EGL_NO_SURFACE;\r
- }\r
-\r
- UNIMPLEMENTED(); // FIXME\r
-\r
- return success(EGL_NO_SURFACE);\r
-}\r
-\r
-EGLBoolean DestroySurface(EGLDisplay dpy, EGLSurface surface)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLSurface surface = %p)", dpy, surface);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
- egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);\r
-\r
- if(!validateSurface(display, eglSurface))\r
- {\r
- return EGL_FALSE;\r
- }\r
-\r
- if(surface == EGL_NO_SURFACE)\r
- {\r
- return error(EGL_BAD_SURFACE, EGL_FALSE);\r
- }\r
-\r
- display->destroySurface((egl::Surface*)surface);\r
-\r
- return success(EGL_TRUE);\r
-}\r
-\r
-EGLBoolean QuerySurface(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLSurface surface = %p, EGLint attribute = %d, EGLint *value = %p)",\r
- dpy, surface, attribute, value);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
- egl::Surface *eglSurface = (egl::Surface*)surface;\r
-\r
- if(!validateSurface(display, eglSurface))\r
- {\r
- return EGL_FALSE;\r
- }\r
-\r
- if(surface == EGL_NO_SURFACE)\r
- {\r
- return error(EGL_BAD_SURFACE, EGL_FALSE);\r
- }\r
-\r
- switch(attribute)\r
- {\r
- case EGL_VG_ALPHA_FORMAT:\r
- UNIMPLEMENTED(); // FIXME\r
- break;\r
- case EGL_VG_COLORSPACE:\r
- UNIMPLEMENTED(); // FIXME\r
- break;\r
- case EGL_CONFIG_ID:\r
- *value = eglSurface->getConfigID();\r
- break;\r
- case EGL_HEIGHT:\r
- *value = eglSurface->getHeight();\r
- break;\r
- case EGL_HORIZONTAL_RESOLUTION:\r
- UNIMPLEMENTED(); // FIXME\r
- break;\r
- case EGL_LARGEST_PBUFFER:\r
- if(eglSurface->isPBufferSurface()) // For a window or pixmap surface, the contents of *value are not modified.\r
- {\r
- *value = eglSurface->getLargestPBuffer();\r
- }\r
- break;\r
- case EGL_MIPMAP_TEXTURE:\r
- UNIMPLEMENTED(); // FIXME\r
- break;\r
- case EGL_MIPMAP_LEVEL:\r
- UNIMPLEMENTED(); // FIXME\r
- break;\r
- case EGL_MULTISAMPLE_RESOLVE:\r
- UNIMPLEMENTED(); // FIXME\r
- break;\r
- case EGL_PIXEL_ASPECT_RATIO:\r
- *value = eglSurface->getPixelAspectRatio();\r
- break;\r
- case EGL_RENDER_BUFFER:\r
- *value = eglSurface->getRenderBuffer();\r
- break;\r
- case EGL_SWAP_BEHAVIOR:\r
- *value = eglSurface->getSwapBehavior();\r
- break;\r
- case EGL_TEXTURE_FORMAT:\r
- *value = eglSurface->getTextureFormat();\r
- break;\r
- case EGL_TEXTURE_TARGET:\r
- *value = eglSurface->getTextureTarget();\r
- break;\r
- case EGL_VERTICAL_RESOLUTION:\r
- UNIMPLEMENTED(); // FIXME\r
- break;\r
- case EGL_WIDTH:\r
- *value = eglSurface->getWidth();\r
- break;\r
- default:\r
- return error(EGL_BAD_ATTRIBUTE, EGL_FALSE);\r
- }\r
-\r
- return success(EGL_TRUE);\r
-}\r
-\r
-EGLBoolean BindAPI(EGLenum api)\r
-{\r
- TRACE("(EGLenum api = 0x%X)", api);\r
-\r
- switch(api)\r
- {\r
- case EGL_OPENGL_API:\r
- case EGL_OPENVG_API:\r
- return error(EGL_BAD_PARAMETER, EGL_FALSE); // Not supported by this implementation\r
- case EGL_OPENGL_ES_API:\r
- break;\r
- default:\r
- return error(EGL_BAD_PARAMETER, EGL_FALSE);\r
- }\r
-\r
- egl::setCurrentAPI(api);\r
-\r
- return success(EGL_TRUE);\r
-}\r
-\r
-EGLenum QueryAPI(void)\r
-{\r
- TRACE("()");\r
-\r
- EGLenum API = egl::getCurrentAPI();\r
-\r
- return success(API);\r
-}\r
-\r
-EGLBoolean WaitClient(void)\r
-{\r
- TRACE("()");\r
-\r
- UNIMPLEMENTED(); // FIXME\r
-\r
- return success(EGL_FALSE);\r
-}\r
-\r
-EGLBoolean ReleaseThread(void)\r
-{\r
- TRACE("()");\r
-\r
- eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_CONTEXT, EGL_NO_SURFACE, EGL_NO_SURFACE);\r
-\r
- return success(EGL_TRUE);\r
-}\r
-\r
-EGLSurface CreatePbufferFromClientBuffer(EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, EGLConfig config, const EGLint *attrib_list)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLenum buftype = 0x%X, EGLClientBuffer buffer = %p, "\r
- "EGLConfig config = %p, const EGLint *attrib_list = %p)",\r
- dpy, buftype, buffer, config, attrib_list);\r
-\r
- UNIMPLEMENTED();\r
-\r
- return error(EGL_BAD_PARAMETER, EGL_NO_SURFACE);\r
-}\r
-\r
-EGLBoolean SurfaceAttrib(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLSurface surface = %p, EGLint attribute = %d, EGLint value = %d)",\r
- dpy, surface, attribute, value);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
- egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);\r
-\r
- if(!validateSurface(display, eglSurface))\r
- {\r
- return EGL_FALSE;\r
- }\r
-\r
- switch(attribute)\r
- {\r
- case EGL_SWAP_BEHAVIOR:\r
- if(value == EGL_BUFFER_PRESERVED)\r
- {\r
- if(!(eglSurface->getSurfaceType() & EGL_SWAP_BEHAVIOR_PRESERVED_BIT))\r
- {\r
- return error(EGL_BAD_MATCH, EGL_FALSE);\r
- }\r
- }\r
- else if(value != EGL_BUFFER_DESTROYED)\r
- {\r
- return error(EGL_BAD_PARAMETER, EGL_FALSE);\r
- }\r
- eglSurface->setSwapBehavior(value);\r
- break;\r
- default:\r
- UNIMPLEMENTED(); // FIXME\r
- }\r
-\r
- return success(EGL_TRUE);\r
-}\r
-\r
-EGLBoolean BindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLSurface surface = %p, EGLint buffer = %d)", dpy, surface, buffer);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
- egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);\r
-\r
- if(!validateSurface(display, eglSurface))\r
- {\r
- return EGL_FALSE;\r
- }\r
-\r
- if(buffer != EGL_BACK_BUFFER)\r
- {\r
- return error(EGL_BAD_PARAMETER, EGL_FALSE);\r
- }\r
-\r
- if(surface == EGL_NO_SURFACE || eglSurface->isWindowSurface())\r
- {\r
- return error(EGL_BAD_SURFACE, EGL_FALSE);\r
- }\r
-\r
- if(eglSurface->getBoundTexture())\r
- {\r
- return error(EGL_BAD_ACCESS, EGL_FALSE);\r
- }\r
-\r
- if(eglSurface->getTextureFormat() == EGL_NO_TEXTURE)\r
- {\r
- return error(EGL_BAD_MATCH, EGL_FALSE);\r
- }\r
-\r
- egl::Context *context = egl::getCurrentContext();\r
-\r
- if(context)\r
- {\r
- context->bindTexImage(eglSurface);\r
- }\r
-\r
- return success(EGL_TRUE);\r
-}\r
-\r
-EGLBoolean ReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLSurface surface = %p, EGLint buffer = %d)", dpy, surface, buffer);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
- egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);\r
-\r
- if(!validateSurface(display, eglSurface))\r
- {\r
- return EGL_FALSE;\r
- }\r
-\r
- if(buffer != EGL_BACK_BUFFER)\r
- {\r
- return error(EGL_BAD_PARAMETER, EGL_FALSE);\r
- }\r
-\r
- if(surface == EGL_NO_SURFACE || eglSurface->isWindowSurface())\r
- {\r
- return error(EGL_BAD_SURFACE, EGL_FALSE);\r
- }\r
-\r
- if(eglSurface->getTextureFormat() == EGL_NO_TEXTURE)\r
- {\r
- return error(EGL_BAD_MATCH, EGL_FALSE);\r
- }\r
-\r
- egl::Texture *texture = eglSurface->getBoundTexture();\r
-\r
- if(texture)\r
- {\r
- texture->releaseTexImage();\r
- }\r
-\r
- return success(EGL_TRUE);\r
-}\r
-\r
-EGLBoolean SwapInterval(EGLDisplay dpy, EGLint interval)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLint interval = %d)", dpy, interval);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
- egl::Context *context = egl::getCurrentContext();\r
-\r
- if(!validateContext(display, context))\r
- {\r
- return EGL_FALSE;\r
- }\r
-\r
- egl::Surface *draw_surface = static_cast<egl::Surface*>(egl::getCurrentDrawSurface());\r
-\r
- if(!draw_surface)\r
- {\r
- return error(EGL_BAD_SURFACE, EGL_FALSE);\r
- }\r
-\r
- draw_surface->setSwapInterval(interval);\r
-\r
- return success(EGL_TRUE);\r
-}\r
-\r
-EGLContext CreateContext(EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint *attrib_list)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLConfig config = %p, EGLContext share_context = %p, "\r
- "const EGLint *attrib_list = %p)", dpy, config, share_context, attrib_list);\r
-\r
- EGLint clientVersion = 1;\r
- if(attrib_list)\r
- {\r
- for(const EGLint* attribute = attrib_list; attribute[0] != EGL_NONE; attribute += 2)\r
- {\r
- if(attribute[0] == EGL_CONTEXT_CLIENT_VERSION)\r
- {\r
- clientVersion = attribute[1];\r
- }\r
- else\r
- {\r
- return error(EGL_BAD_ATTRIBUTE, EGL_NO_CONTEXT);\r
- }\r
- }\r
- }\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
- egl::Context *shareContext = static_cast<egl::Context*>(share_context);\r
-\r
- if(!validateConfig(display, config))\r
- {\r
- return EGL_NO_CONTEXT;\r
- }\r
-\r
- if(shareContext && shareContext->getClientVersion() != clientVersion)\r
- {\r
- return error(EGL_BAD_CONTEXT, EGL_NO_CONTEXT);\r
- }\r
-\r
- return display->createContext(config, shareContext, clientVersion);\r
-}\r
-\r
-EGLBoolean DestroyContext(EGLDisplay dpy, EGLContext ctx)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLContext ctx = %p)", dpy, ctx);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
- egl::Context *context = static_cast<egl::Context*>(ctx);\r
-\r
- if(!validateContext(display, context))\r
- {\r
- return EGL_FALSE;\r
- }\r
-\r
- if(ctx == EGL_NO_CONTEXT)\r
- {\r
- return error(EGL_BAD_CONTEXT, EGL_FALSE);\r
- }\r
-\r
- display->destroyContext(context);\r
-\r
- return success(EGL_TRUE);\r
-}\r
-\r
-EGLBoolean MakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLSurface draw = %p, EGLSurface read = %p, EGLContext ctx = %p)",\r
- dpy, draw, read, ctx);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
- egl::Context *context = static_cast<egl::Context*>(ctx);\r
- egl::Surface *drawSurface = static_cast<egl::Surface*>(draw);\r
- egl::Surface *readSurface = static_cast<egl::Surface*>(read);\r
-\r
- if(ctx != EGL_NO_CONTEXT || draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE)\r
- {\r
- if(!validateDisplay(display))\r
- {\r
- return EGL_FALSE;\r
- }\r
- }\r
-\r
- if(ctx == EGL_NO_CONTEXT && (draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE))\r
- {\r
- return error(EGL_BAD_MATCH, EGL_FALSE);\r
- }\r
-\r
- if(ctx != EGL_NO_CONTEXT && !validateContext(display, context))\r
- {\r
- return EGL_FALSE;\r
- }\r
-\r
- if((draw != EGL_NO_SURFACE && !validateSurface(display, drawSurface)) ||\r
- (read != EGL_NO_SURFACE && !validateSurface(display, readSurface)))\r
- {\r
- return EGL_FALSE;\r
- }\r
-\r
- if((draw != EGL_NO_SURFACE) ^ (read != EGL_NO_SURFACE))\r
- {\r
- return error(EGL_BAD_MATCH, EGL_FALSE);\r
- }\r
-\r
- if(draw != read)\r
- {\r
- UNIMPLEMENTED(); // FIXME\r
- }\r
-\r
- egl::setCurrentDisplay(dpy);\r
- egl::setCurrentDrawSurface(drawSurface);\r
- egl::setCurrentReadSurface(readSurface);\r
- egl::setCurrentContext(context);\r
-\r
- if(context)\r
- {\r
- context->makeCurrent(drawSurface);\r
- }\r
-\r
- return success(EGL_TRUE);\r
-}\r
-\r
-EGLContext GetCurrentContext(void)\r
-{\r
- TRACE("()");\r
-\r
- EGLContext context = egl::getCurrentContext();\r
-\r
- return success(context);\r
-}\r
-\r
-EGLSurface GetCurrentSurface(EGLint readdraw)\r
-{\r
- TRACE("(EGLint readdraw = %d)", readdraw);\r
-\r
- if(readdraw == EGL_READ)\r
- {\r
- EGLSurface read = egl::getCurrentReadSurface();\r
- return success(read);\r
- }\r
- else if(readdraw == EGL_DRAW)\r
- {\r
- EGLSurface draw = egl::getCurrentDrawSurface();\r
- return success(draw);\r
- }\r
- else\r
- {\r
- return error(EGL_BAD_PARAMETER, EGL_NO_SURFACE);\r
- }\r
-}\r
-\r
-EGLDisplay GetCurrentDisplay(void)\r
-{\r
- TRACE("()");\r
-\r
- return success(egl::getCurrentDisplay());\r
-}\r
-\r
-EGLBoolean QueryContext(EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLContext ctx = %p, EGLint attribute = %d, EGLint *value = %p)",\r
- dpy, ctx, attribute, value);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
- egl::Context *context = static_cast<egl::Context*>(ctx);\r
-\r
- if(!validateContext(display, context))\r
- {\r
- return EGL_FALSE;\r
- }\r
-\r
- UNIMPLEMENTED(); // FIXME\r
-\r
- return success(0);\r
-}\r
-\r
-EGLBoolean WaitGL(void)\r
-{\r
- TRACE("()");\r
-\r
- UNIMPLEMENTED(); // FIXME\r
-\r
- return success(EGL_FALSE);\r
-}\r
-\r
-EGLBoolean WaitNative(EGLint engine)\r
-{\r
- TRACE("(EGLint engine = %d)", engine);\r
-\r
- UNIMPLEMENTED(); // FIXME\r
-\r
- return success(EGL_FALSE);\r
-}\r
-\r
-EGLBoolean SwapBuffers(EGLDisplay dpy, EGLSurface surface)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLSurface surface = %p)", dpy, surface);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
- egl::Surface *eglSurface = (egl::Surface*)surface;\r
-\r
- if(!validateSurface(display, eglSurface))\r
- {\r
- return EGL_FALSE;\r
- }\r
-\r
- if(surface == EGL_NO_SURFACE)\r
- {\r
- return error(EGL_BAD_SURFACE, EGL_FALSE);\r
- }\r
-\r
- eglSurface->swap();\r
-\r
- return success(EGL_TRUE);\r
-}\r
-\r
-EGLBoolean CopyBuffers(EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLSurface surface = %p, EGLNativePixmapType target = %p)", dpy, surface, target);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
- egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);\r
-\r
- if(!validateSurface(display, eglSurface))\r
- {\r
- return EGL_FALSE;\r
- }\r
-\r
- UNIMPLEMENTED(); // FIXME\r
-\r
- return success(EGL_FALSE);\r
-}\r
-\r
-EGLImageKHR CreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLContext ctx = %p, EGLenum target = 0x%X, buffer = %p, const EGLint attrib_list = %p)", dpy, ctx, target, buffer, attrib_list);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
- egl::Context *context = static_cast<egl::Context*>(ctx);\r
-\r
- if(!validateDisplay(display))\r
- {\r
- return error(EGL_BAD_DISPLAY, EGL_NO_IMAGE_KHR);\r
- }\r
-\r
- if(context != EGL_NO_CONTEXT && !display->isValidContext(context))\r
- {\r
- return error(EGL_BAD_CONTEXT, EGL_NO_IMAGE_KHR);\r
- }\r
-\r
- EGLenum imagePreserved = EGL_FALSE;\r
- GLuint textureLevel = 0;\r
- if(attrib_list)\r
- {\r
- for(const EGLint *attribute = attrib_list; attribute[0] != EGL_NONE; attribute += 2)\r
- {\r
- if(attribute[0] == EGL_IMAGE_PRESERVED_KHR)\r
- {\r
- imagePreserved = attribute[1];\r
- }\r
- else if(attribute[0] == EGL_GL_TEXTURE_LEVEL_KHR)\r
- {\r
- textureLevel = attribute[1];\r
- }\r
- else\r
- {\r
- return error(EGL_BAD_ATTRIBUTE, EGL_NO_IMAGE_KHR);\r
- }\r
- }\r
- }\r
-\r
- #if defined(__ANDROID__)\r
- if(target == EGL_NATIVE_BUFFER_ANDROID)\r
- {\r
- ANativeWindowBuffer *nativeBuffer = reinterpret_cast<ANativeWindowBuffer*>(buffer);\r
-\r
- if(!nativeBuffer || GLPixelFormatFromAndroid(nativeBuffer->format) == GL_NONE)\r
- {\r
- ALOGW("%s badness unsupported HAL format=%x", __FUNCTION__, nativeBuffer ? nativeBuffer->format : 0);\r
- return error(EGL_BAD_ATTRIBUTE, EGL_NO_IMAGE_KHR);\r
- }\r
-\r
- return success(new AndroidNativeImage(nativeBuffer));\r
- }\r
- #endif\r
-\r
- GLuint name = reinterpret_cast<intptr_t>(buffer);\r
-\r
- if(name == 0)\r
- {\r
- return error(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);\r
- }\r
-\r
- EGLenum validationResult = context->validateSharedImage(target, name, textureLevel);\r
-\r
- if(validationResult != EGL_SUCCESS)\r
- {\r
- return error(validationResult, EGL_NO_IMAGE_KHR);\r
- }\r
-\r
- egl::Image *image = context->createSharedImage(target, name, textureLevel);\r
-\r
- if(!image)\r
- {\r
- return error(EGL_BAD_MATCH, EGL_NO_IMAGE_KHR);\r
- }\r
-\r
- if(image->getDepth() > 1)\r
- {\r
- return error(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);\r
- }\r
-\r
- return success((EGLImageKHR)image);\r
-}\r
-\r
-EGLBoolean DestroyImageKHR(EGLDisplay dpy, EGLImageKHR image)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLImageKHR image = %p)", dpy, image);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
-\r
- if(!validateDisplay(display))\r
- {\r
- return error(EGL_BAD_DISPLAY, EGL_FALSE);\r
- }\r
-\r
- if(!image)\r
- {\r
- return error(EGL_BAD_PARAMETER, EGL_FALSE);\r
- }\r
-\r
- egl::Image *glImage = static_cast<egl::Image*>(image);\r
- glImage->destroyShared();\r
-\r
- return success(EGL_TRUE);\r
-}\r
-\r
-EGLDisplay GetPlatformDisplayEXT(EGLenum platform, void *native_display, const EGLint *attrib_list)\r
-{\r
- TRACE("(EGLenum platform = 0x%X, void *native_display = %p, const EGLint *attrib_list = %p)", platform, native_display, attrib_list);\r
-\r
- switch(platform)\r
- {\r
- #if defined(__linux__) && !defined(__ANDROID__)\r
- case EGL_PLATFORM_X11_EXT: break;\r
- case EGL_PLATFORM_GBM_KHR: break;\r
- #endif\r
- default:\r
- return error(EGL_BAD_PARAMETER, EGL_NO_DISPLAY);\r
- }\r
-\r
- #if defined(__linux__) && !defined(__ANDROID__)\r
- if(platform == EGL_PLATFORM_X11_EXT)\r
- {\r
- if(!libX11)\r
- {\r
- return error(EGL_BAD_ATTRIBUTE, EGL_NO_DISPLAY);\r
- }\r
-\r
- if(native_display != (void*)EGL_DEFAULT_DISPLAY || attrib_list != NULL)\r
- {\r
- return error(EGL_BAD_ATTRIBUTE, EGL_NO_DISPLAY); // Unimplemented\r
- }\r
- }\r
- else if(platform == EGL_PLATFORM_GBM_KHR)\r
- {\r
- if(native_display != (void*)EGL_DEFAULT_DISPLAY || attrib_list != NULL)\r
- {\r
- return error(EGL_BAD_ATTRIBUTE, EGL_NO_DISPLAY); // Unimplemented\r
- }\r
-\r
- return success(HEADLESS_DISPLAY);\r
- }\r
- #endif\r
-\r
- return success(PRIMARY_DISPLAY); // We only support the default display\r
-}\r
-\r
-EGLSurface CreatePlatformWindowSurfaceEXT(EGLDisplay dpy, EGLConfig config, void *native_window, const EGLint *attrib_list)\r
-{\r
- return CreateWindowSurface(dpy, config, (EGLNativeWindowType)native_window, attrib_list);\r
-}\r
-\r
-EGLSurface CreatePlatformPixmapSurfaceEXT(EGLDisplay dpy, EGLConfig config, void *native_pixmap, const EGLint *attrib_list)\r
-{\r
- return CreatePixmapSurface(dpy, config, (EGLNativePixmapType)native_pixmap, attrib_list);\r
-}\r
-\r
-EGLSyncKHR CreateSyncKHR(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLunum type = %x, EGLint *attrib_list=%p)", dpy, type, attrib_list);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
-\r
- if(!validateDisplay(display))\r
- {\r
- return error(EGL_BAD_DISPLAY, EGL_NO_SYNC_KHR);\r
- }\r
-\r
- if(type != EGL_SYNC_FENCE_KHR)\r
- {\r
- return error(EGL_BAD_ATTRIBUTE, EGL_NO_SYNC_KHR);\r
- }\r
-\r
- if(attrib_list && attrib_list[0] != EGL_NONE)\r
- {\r
- return error(EGL_BAD_ATTRIBUTE, EGL_NO_SYNC_KHR);\r
- }\r
-\r
- egl::Context *context = egl::getCurrentContext();\r
-\r
- if(!validateContext(display, context))\r
- {\r
- return error(EGL_BAD_MATCH, EGL_NO_SYNC_KHR);\r
- }\r
-\r
- EGLSyncKHR sync = display->createSync(context);\r
-\r
- return success(sync);\r
-}\r
-\r
-EGLBoolean DestroySyncKHR(EGLDisplay dpy, EGLSyncKHR sync)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLSyncKHR sync = %p)", dpy, sync);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
- FenceSync *eglSync = static_cast<FenceSync*>(sync);\r
-\r
- if(!validateDisplay(display))\r
- {\r
- return error(EGL_BAD_DISPLAY, EGL_FALSE);\r
- }\r
-\r
- if(!display->isValidSync(eglSync))\r
- {\r
- return error(EGL_BAD_PARAMETER, EGL_FALSE);\r
- }\r
-\r
- display->destroySync(eglSync);\r
-\r
- return success(EGL_TRUE);\r
-}\r
-\r
-EGLint ClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLSyncKHR sync = %p, EGLint flags = %x, EGLTimeKHR value = %llx)", dpy, sync, flags, timeout);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
- FenceSync *eglSync = static_cast<FenceSync*>(sync);\r
-\r
- if(!validateDisplay(display))\r
- {\r
- return error(EGL_BAD_DISPLAY, EGL_FALSE);\r
- }\r
-\r
- if(!display->isValidSync(eglSync))\r
- {\r
- return error(EGL_BAD_PARAMETER, EGL_FALSE);\r
- }\r
-\r
- (void)flags;\r
- (void)timeout;\r
-\r
- if(!eglSync->isSignaled())\r
- {\r
- eglSync->wait();\r
- }\r
-\r
- return success(EGL_CONDITION_SATISFIED_KHR);\r
-}\r
-\r
-EGLBoolean GetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value)\r
-{\r
- TRACE("(EGLDisplay dpy = %p, EGLSyncKHR sync = %p, EGLint attribute = %x, EGLint *value = %p)", dpy, sync, attribute, value);\r
-\r
- egl::Display *display = egl::Display::get(dpy);\r
- FenceSync *eglSync = static_cast<FenceSync*>(sync);\r
-\r
- if(!validateDisplay(display))\r
- {\r
- return error(EGL_BAD_DISPLAY, EGL_FALSE);\r
- }\r
-\r
- if(!display->isValidSync(eglSync))\r
- {\r
- return error(EGL_BAD_PARAMETER, EGL_FALSE);\r
- }\r
-\r
- switch(attribute)\r
- {\r
- case EGL_SYNC_TYPE_KHR:\r
- *value = EGL_SYNC_FENCE_KHR;\r
- return success(EGL_TRUE);\r
- case EGL_SYNC_STATUS_KHR:\r
- eglSync->wait(); // TODO: Don't block. Just poll based on sw::Query.\r
- *value = eglSync->isSignaled() ? EGL_SIGNALED_KHR : EGL_UNSIGNALED_KHR;\r
- return success(EGL_TRUE);\r
- case EGL_SYNC_CONDITION_KHR:\r
- *value = EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR;\r
- return success(EGL_TRUE);\r
- default:\r
- return error(EGL_BAD_ATTRIBUTE, EGL_FALSE);\r
- }\r
-}\r
-\r
-__eglMustCastToProperFunctionPointerType GetProcAddress(const char *procname)\r
-{\r
- TRACE("(const char *procname = \"%s\")", procname);\r
-\r
- struct Extension\r
- {\r
- const char *name;\r
- __eglMustCastToProperFunctionPointerType address;\r
- };\r
-\r
- static const Extension eglExtensions[] =\r
- {\r
- #define EXTENSION(name) {#name, (__eglMustCastToProperFunctionPointerType)name}\r
-\r
- EXTENSION(eglCreateImageKHR),\r
- EXTENSION(eglDestroyImageKHR),\r
- EXTENSION(eglGetPlatformDisplayEXT),\r
- EXTENSION(eglCreatePlatformWindowSurfaceEXT),\r
- EXTENSION(eglCreatePlatformPixmapSurfaceEXT),\r
- EXTENSION(eglCreateSyncKHR),\r
- EXTENSION(eglDestroySyncKHR),\r
- EXTENSION(eglClientWaitSyncKHR),\r
- EXTENSION(eglGetSyncAttribKHR),\r
-\r
- #undef EXTENSION\r
- };\r
-\r
- for(unsigned int ext = 0; ext < sizeof(eglExtensions) / sizeof(Extension); ext++)\r
- {\r
- if(strcmp(procname, eglExtensions[ext].name) == 0)\r
- {\r
- return success((__eglMustCastToProperFunctionPointerType)eglExtensions[ext].address);\r
- }\r
- }\r
-\r
- if(libGLESv2)\r
- {\r
- __eglMustCastToProperFunctionPointerType proc = libGLESv2->es2GetProcAddress(procname);\r
- if(proc) return success(proc);\r
- }\r
-\r
- if(libGLES_CM)\r
- {\r
- __eglMustCastToProperFunctionPointerType proc = libGLES_CM->es1GetProcAddress(procname);\r
- if(proc) return success(proc);\r
- }\r
-\r
- return success((__eglMustCastToProperFunctionPointerType)NULL);\r
-}\r
-}\r
+// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// libEGL.cpp: Implements the exported EGL functions.
+
+#include "main.h"
+#include "Display.h"
+#include "Surface.hpp"
+#include "Texture.hpp"
+#include "Context.hpp"
+#include "common/Image.hpp"
+#include "common/debug.h"
+#include "Common/Version.h"
+
+#if defined(__ANDROID__)
+#include <system/window.h>
+#elif defined(USE_X11)
+#include "Main/libX11.hpp"
+#endif
+
+#include <algorithm>
+#include <vector>
+#include <string.h>
+
+namespace egl
+{
+namespace
+{
+bool validateDisplay(egl::Display *display)
+{
+ if(display == EGL_NO_DISPLAY)
+ {
+ return error(EGL_BAD_DISPLAY, false);
+ }
+
+ if(!display->isInitialized())
+ {
+ return error(EGL_NOT_INITIALIZED, false);
+ }
+
+ return true;
+}
+
+bool validateConfig(egl::Display *display, EGLConfig config)
+{
+ if(!validateDisplay(display))
+ {
+ return false;
+ }
+
+ if(!display->isValidConfig(config))
+ {
+ return error(EGL_BAD_CONFIG, false);
+ }
+
+ return true;
+}
+
+bool validateContext(egl::Display *display, egl::Context *context)
+{
+ if(!validateDisplay(display))
+ {
+ return false;
+ }
+
+ if(!display->isValidContext(context))
+ {
+ return error(EGL_BAD_CONTEXT, false);
+ }
+
+ return true;
+}
+
+bool validateSurface(egl::Display *display, egl::Surface *surface)
+{
+ if(!validateDisplay(display))
+ {
+ return false;
+ }
+
+ if(!display->isValidSurface(surface))
+ {
+ return error(EGL_BAD_SURFACE, false);
+ }
+
+ return true;
+}
+
+// Class to facilitate conversion from EGLint to EGLAttrib lists.
+class EGLAttribs
+{
+public:
+ explicit EGLAttribs(const EGLint *attrib_list)
+ {
+ if(attrib_list)
+ {
+ while(*attrib_list != EGL_NONE)
+ {
+ attrib.push_back(static_cast<EGLAttrib>(*attrib_list));
+ attrib_list++;
+ }
+ }
+
+ attrib.push_back(EGL_NONE);
+ }
+
+ const EGLAttrib *operator&() const
+ {
+ return &attrib[0];
+ }
+
+private:
+ std::vector<EGLAttrib> attrib;
+};
+}
+
+EGLint GetError(void)
+{
+ TRACE("()");
+
+ EGLint error = egl::getCurrentError();
+
+ if(error != EGL_SUCCESS)
+ {
+ egl::setCurrentError(EGL_SUCCESS);
+ }
+
+ return error;
+}
+
+EGLDisplay GetDisplay(EGLNativeDisplayType display_id)
+{
+ TRACE("(EGLNativeDisplayType display_id = %p)", display_id);
+
+ if(display_id != EGL_DEFAULT_DISPLAY)
+ {
+ // FIXME: Check if display_id is the default display
+ }
+
+ #if defined(__linux__) && !defined(__ANDROID__)
+ #if defined(USE_X11)
+ if(!libX11)
+ #endif // Non X11 linux is headless only
+ {
+ return success(HEADLESS_DISPLAY);
+ }
+ #endif
+
+ return success(PRIMARY_DISPLAY); // We only support the default display
+}
+
+EGLBoolean Initialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLint *major = %p, EGLint *minor = %p)",
+ dpy, major, minor);
+
+ egl::Display *display = egl::Display::get(dpy);
+
+ if(!display)
+ {
+ return error(EGL_BAD_DISPLAY, EGL_FALSE);
+ }
+
+ if(!display->initialize())
+ {
+ return error(EGL_NOT_INITIALIZED, EGL_FALSE);
+ }
+
+ if(major) *major = 1;
+ if(minor) *minor = 4;
+
+ return success(EGL_TRUE);
+}
+
+EGLBoolean Terminate(EGLDisplay dpy)
+{
+ TRACE("(EGLDisplay dpy = %p)", dpy);
+
+ if(dpy == EGL_NO_DISPLAY)
+ {
+ return error(EGL_BAD_DISPLAY, EGL_FALSE);
+ }
+
+ egl::Display *display = egl::Display::get(dpy);
+
+ display->terminate();
+
+ return success(EGL_TRUE);
+}
+
+const char *QueryString(EGLDisplay dpy, EGLint name)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLint name = %d)", dpy, name);
+
+ if(dpy == EGL_NO_DISPLAY && name == EGL_EXTENSIONS)
+ {
+ return success(
+ "EGL_KHR_client_get_all_proc_addresses "
+#if defined(__linux__) && !defined(__ANDROID__)
+ "EGL_KHR_platform_gbm "
+#endif
+#if defined(USE_X11)
+ "EGL_KHR_platform_x11 "
+#endif
+ "EGL_EXT_client_extensions "
+ "EGL_EXT_platform_base");
+ }
+
+ egl::Display *display = egl::Display::get(dpy);
+
+ if(!validateDisplay(display))
+ {
+ return nullptr;
+ }
+
+ switch(name)
+ {
+ case EGL_CLIENT_APIS:
+ return success("OpenGL_ES");
+ case EGL_EXTENSIONS:
+ return success("EGL_KHR_create_context "
+ "EGL_KHR_get_all_proc_addresses "
+ "EGL_KHR_gl_texture_2D_image "
+ "EGL_KHR_gl_texture_cubemap_image "
+ "EGL_KHR_gl_renderbuffer_image "
+ "EGL_KHR_fence_sync "
+ "EGL_KHR_image_base "
+ "EGL_KHR_surfaceless_context "
+ "EGL_ANGLE_iosurface_client_buffer "
+ "EGL_ANDROID_framebuffer_target "
+ "EGL_ANDROID_recordable");
+ case EGL_VENDOR:
+ return success("Google Inc.");
+ case EGL_VERSION:
+ return success("1.4 SwiftShader " VERSION_STRING);
+ }
+
+ return error(EGL_BAD_PARAMETER, (const char*)nullptr);
+}
+
+EGLBoolean GetConfigs(EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLConfig *configs = %p, "
+ "EGLint config_size = %d, EGLint *num_config = %p)",
+ dpy, configs, config_size, num_config);
+
+ egl::Display *display = egl::Display::get(dpy);
+
+ if(!validateDisplay(display))
+ {
+ return EGL_FALSE;
+ }
+
+ if(!num_config)
+ {
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+
+ const EGLint attribList[] = {EGL_NONE};
+
+ if(!display->getConfigs(configs, attribList, config_size, num_config))
+ {
+ return error(EGL_BAD_ATTRIBUTE, EGL_FALSE);
+ }
+
+ return success(EGL_TRUE);
+}
+
+EGLBoolean ChooseConfig(EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config)
+{
+ TRACE("(EGLDisplay dpy = %p, const EGLint *attrib_list = %p, "
+ "EGLConfig *configs = %p, EGLint config_size = %d, EGLint *num_config = %p)",
+ dpy, attrib_list, configs, config_size, num_config);
+
+ egl::Display *display = egl::Display::get(dpy);
+
+ if(!validateDisplay(display))
+ {
+ return EGL_FALSE;
+ }
+
+ if(!num_config)
+ {
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+
+ const EGLint attribList[] = {EGL_NONE};
+
+ if(!attrib_list)
+ {
+ attrib_list = attribList;
+ }
+
+ if(!display->getConfigs(configs, attrib_list, config_size, num_config))
+ {
+ return error(EGL_BAD_ATTRIBUTE, EGL_FALSE);
+ }
+
+ return success(EGL_TRUE);
+}
+
+EGLBoolean GetConfigAttrib(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLConfig config = %p, EGLint attribute = %d, EGLint *value = %p)",
+ dpy, config, attribute, value);
+
+ egl::Display *display = egl::Display::get(dpy);
+
+ if(!validateConfig(display, config))
+ {
+ return EGL_FALSE;
+ }
+
+ if(!display->getConfigAttrib(config, attribute, value))
+ {
+ return error(EGL_BAD_ATTRIBUTE, EGL_FALSE);
+ }
+
+ return success(EGL_TRUE);
+}
+
+EGLSurface CreatePlatformWindowSurface(EGLDisplay dpy, EGLConfig config, void *native_window, const EGLAttrib *attrib_list)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLConfig config = %p, void *native_window = %p, "
+ "const EGLint *attrib_list = %p)", dpy, config, native_window, attrib_list);
+
+ egl::Display *display = egl::Display::get(dpy);
+
+ if(!validateConfig(display, config))
+ {
+ return EGL_NO_SURFACE;
+ }
+
+ if(!display->isValidWindow((EGLNativeWindowType)native_window))
+ {
+ return error(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
+ }
+
+ return display->createWindowSurface((EGLNativeWindowType)native_window, config, attrib_list);
+}
+
+EGLSurface CreatePlatformWindowSurfaceEXT(EGLDisplay dpy, EGLConfig config, void *native_window, const EGLint *attrib_list)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLConfig config = %p, void *native_window = %p, "
+ "const EGLint *attrib_list = %p)", dpy, config, native_window, attrib_list);
+
+ EGLAttribs attribs(attrib_list);
+ return CreatePlatformWindowSurface(dpy, config, native_window, &attribs);
+}
+
+EGLSurface CreateWindowSurface(EGLDisplay dpy, EGLConfig config, EGLNativeWindowType window, const EGLint *attrib_list)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLConfig config = %p, EGLNativeWindowType window = %p, "
+ "const EGLint *attrib_list = %p)", dpy, config, window, attrib_list);
+
+ EGLAttribs attribs(attrib_list);
+ return CreatePlatformWindowSurface(dpy, config, (void*)window, &attribs);
+}
+
+EGLSurface CreatePbufferSurface(EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLConfig config = %p, const EGLint *attrib_list = %p)",
+ dpy, config, attrib_list);
+
+ egl::Display *display = egl::Display::get(dpy);
+
+ if(!validateConfig(display, config))
+ {
+ return EGL_NO_SURFACE;
+ }
+
+ return display->createPBufferSurface(config, attrib_list);
+}
+
+EGLSurface CreatePlatformPixmapSurface(EGLDisplay dpy, EGLConfig config, void *native_pixmap, const EGLAttrib *attrib_list)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLConfig config = %p, void *native_pixmap = %p, "
+ "const EGLint *attrib_list = %p)", dpy, config, native_pixmap, attrib_list);
+
+ egl::Display *display = egl::Display::get(dpy);
+
+ if(!validateConfig(display, config))
+ {
+ return EGL_NO_SURFACE;
+ }
+
+ UNIMPLEMENTED(); // FIXME
+
+ return success(EGL_NO_SURFACE);
+}
+
+EGLSurface CreatePlatformPixmapSurfaceEXT(EGLDisplay dpy, EGLConfig config, void *native_pixmap, const EGLint *attrib_list)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLConfig config = %p, void *native_pixmap = %p, "
+ "const EGLint *attrib_list = %p)", dpy, config, native_pixmap, attrib_list);
+
+ EGLAttribs attribs(attrib_list);
+ return CreatePlatformPixmapSurface(dpy, config, native_pixmap, &attribs);
+}
+
+EGLSurface CreatePixmapSurface(EGLDisplay dpy, EGLConfig config, EGLNativePixmapType pixmap, const EGLint *attrib_list)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLConfig config = %p, EGLNativePixmapType pixmap = %p, "
+ "const EGLint *attrib_list = %p)", dpy, config, pixmap, attrib_list);
+
+ EGLAttribs attribs(attrib_list);
+ return CreatePlatformPixmapSurface(dpy, config, (void*)pixmap, &attribs);
+}
+
+EGLBoolean DestroySurface(EGLDisplay dpy, EGLSurface surface)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLSurface surface = %p)", dpy, surface);
+
+ egl::Display *display = egl::Display::get(dpy);
+ egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);
+
+ if(!validateSurface(display, eglSurface))
+ {
+ return EGL_FALSE;
+ }
+
+ if(surface == EGL_NO_SURFACE)
+ {
+ return error(EGL_BAD_SURFACE, EGL_FALSE);
+ }
+
+ display->destroySurface((egl::Surface*)surface);
+
+ return success(EGL_TRUE);
+}
+
+EGLBoolean QuerySurface(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLSurface surface = %p, EGLint attribute = %d, EGLint *value = %p)",
+ dpy, surface, attribute, value);
+
+ egl::Display *display = egl::Display::get(dpy);
+ egl::Surface *eglSurface = (egl::Surface*)surface;
+
+ if(!validateSurface(display, eglSurface))
+ {
+ return EGL_FALSE;
+ }
+
+ if(surface == EGL_NO_SURFACE)
+ {
+ return error(EGL_BAD_SURFACE, EGL_FALSE);
+ }
+
+ switch(attribute)
+ {
+ case EGL_VG_ALPHA_FORMAT:
+ *value = EGL_VG_ALPHA_FORMAT_NONPRE; // Default
+ break;
+ case EGL_VG_COLORSPACE:
+ *value = EGL_VG_COLORSPACE_sRGB; // Default
+ break;
+ case EGL_CONFIG_ID:
+ *value = eglSurface->getConfigID();
+ break;
+ case EGL_HEIGHT:
+ *value = eglSurface->getHeight();
+ break;
+ case EGL_HORIZONTAL_RESOLUTION:
+ *value = EGL_UNKNOWN;
+ break;
+ case EGL_LARGEST_PBUFFER:
+ if(eglSurface->isPBufferSurface()) // For a window or pixmap surface, the contents of *value are not modified.
+ {
+ *value = eglSurface->getLargestPBuffer();
+ }
+ break;
+ case EGL_MIPMAP_TEXTURE:
+ if(eglSurface->isPBufferSurface()) // For a window or pixmap surface, the contents of *value are not modified.
+ {
+ *value = EGL_FALSE; // UNIMPLEMENTED
+ }
+ break;
+ case EGL_MIPMAP_LEVEL:
+ if(eglSurface->isPBufferSurface()) // For a window or pixmap surface, the contents of *value are not modified.
+ {
+ *value = eglSurface->getMipmapLevel();
+ }
+ break;
+ case EGL_MULTISAMPLE_RESOLVE:
+ *value = eglSurface->getMultisampleResolve();
+ break;
+ case EGL_PIXEL_ASPECT_RATIO:
+ *value = eglSurface->getPixelAspectRatio();
+ break;
+ case EGL_RENDER_BUFFER:
+ *value = eglSurface->getRenderBuffer();
+ break;
+ case EGL_SWAP_BEHAVIOR:
+ *value = eglSurface->getSwapBehavior();
+ break;
+ case EGL_TEXTURE_FORMAT:
+ if(eglSurface->isPBufferSurface()) // For a window or pixmap surface, the contents of *value are not modified.
+ {
+ *value = eglSurface->getTextureFormat();
+ }
+ break;
+ case EGL_TEXTURE_TARGET:
+ if(eglSurface->isPBufferSurface()) // For a window or pixmap surface, the contents of *value are not modified.
+ {
+ *value = eglSurface->getTextureTarget();
+ }
+ break;
+ case EGL_VERTICAL_RESOLUTION:
+ *value = EGL_UNKNOWN;
+ break;
+ case EGL_WIDTH:
+ *value = eglSurface->getWidth();
+ break;
+ default:
+ return error(EGL_BAD_ATTRIBUTE, EGL_FALSE);
+ }
+
+ return success(EGL_TRUE);
+}
+
+EGLBoolean BindAPI(EGLenum api)
+{
+ TRACE("(EGLenum api = 0x%X)", api);
+
+ switch(api)
+ {
+ case EGL_OPENGL_API:
+ case EGL_OPENVG_API:
+ return error(EGL_BAD_PARAMETER, EGL_FALSE); // Not supported by this implementation
+ case EGL_OPENGL_ES_API:
+ break;
+ default:
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+
+ egl::setCurrentAPI(api);
+
+ return success(EGL_TRUE);
+}
+
+EGLenum QueryAPI(void)
+{
+ TRACE("()");
+
+ EGLenum API = egl::getCurrentAPI();
+
+ return success(API);
+}
+
+EGLBoolean WaitClient(void)
+{
+ TRACE("()");
+
+ // eglWaitClient is ignored if there is no current EGL rendering context for the current rendering API.
+ egl::Context *context = egl::getCurrentContext();
+
+ if(context)
+ {
+ context->finish();
+ }
+
+ return success(EGL_TRUE);
+}
+
+EGLBoolean ReleaseThread(void)
+{
+ TRACE("()");
+
+ detachThread();
+
+ return EGL_TRUE; // success() is not called here because it would re-allocate thread-local storage.
+}
+
+EGLSurface CreatePbufferFromClientBuffer(EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, EGLConfig config, const EGLint *attrib_list)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLenum buftype = 0x%X, EGLClientBuffer buffer = %p, "
+ "EGLConfig config = %p, const EGLint *attrib_list = %p)",
+ dpy, buftype, buffer, config, attrib_list);
+
+ switch(buftype)
+ {
+ case EGL_IOSURFACE_ANGLE:
+ {
+ egl::Display *display = egl::Display::get(dpy);
+
+ if(!validateConfig(display, config))
+ {
+ return EGL_NO_SURFACE;
+ }
+
+ return display->createPBufferSurface(config, attrib_list, buffer);
+ }
+ case EGL_OPENVG_IMAGE:
+ UNIMPLEMENTED();
+ return error(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
+ default:
+ return error(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
+ };
+}
+
+EGLBoolean SurfaceAttrib(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLSurface surface = %p, EGLint attribute = %d, EGLint value = %d)",
+ dpy, surface, attribute, value);
+
+ egl::Display *display = egl::Display::get(dpy);
+ egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);
+
+ if(!validateSurface(display, eglSurface))
+ {
+ return EGL_FALSE;
+ }
+
+ switch(attribute)
+ {
+ case EGL_MIPMAP_LEVEL:
+ eglSurface->setMipmapLevel(value);
+ break;
+ case EGL_MULTISAMPLE_RESOLVE:
+ switch(value)
+ {
+ case EGL_MULTISAMPLE_RESOLVE_DEFAULT:
+ break;
+ case EGL_MULTISAMPLE_RESOLVE_BOX:
+ if(!(eglSurface->getSurfaceType() & EGL_MULTISAMPLE_RESOLVE_BOX_BIT))
+ {
+ return error(EGL_BAD_MATCH, EGL_FALSE);
+ }
+ break;
+ default:
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+ eglSurface->setMultisampleResolve(value);
+ break;
+ case EGL_SWAP_BEHAVIOR:
+ switch(value)
+ {
+ case EGL_BUFFER_DESTROYED:
+ break;
+ case EGL_BUFFER_PRESERVED:
+ if(!(eglSurface->getSurfaceType() & EGL_SWAP_BEHAVIOR_PRESERVED_BIT))
+ {
+ return error(EGL_BAD_MATCH, EGL_FALSE);
+ }
+ break;
+ default:
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+ eglSurface->setSwapBehavior(value);
+ break;
+ default:
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+
+ return success(EGL_TRUE);
+}
+
+EGLBoolean BindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLSurface surface = %p, EGLint buffer = %d)", dpy, surface, buffer);
+
+ egl::Display *display = egl::Display::get(dpy);
+ egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);
+
+ if(!validateSurface(display, eglSurface))
+ {
+ return EGL_FALSE;
+ }
+
+ if(buffer != EGL_BACK_BUFFER)
+ {
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+
+ if(surface == EGL_NO_SURFACE || eglSurface->isWindowSurface())
+ {
+ return error(EGL_BAD_SURFACE, EGL_FALSE);
+ }
+
+ if(eglSurface->getBoundTexture())
+ {
+ return error(EGL_BAD_ACCESS, EGL_FALSE);
+ }
+
+ if(eglSurface->getTextureFormat() == EGL_NO_TEXTURE)
+ {
+ return error(EGL_BAD_MATCH, EGL_FALSE);
+ }
+
+ egl::Context *context = egl::getCurrentContext();
+
+ if(context)
+ {
+ context->bindTexImage(eglSurface);
+ }
+
+ return success(EGL_TRUE);
+}
+
+EGLBoolean ReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLSurface surface = %p, EGLint buffer = %d)", dpy, surface, buffer);
+
+ egl::Display *display = egl::Display::get(dpy);
+ egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);
+
+ if(!validateSurface(display, eglSurface))
+ {
+ return EGL_FALSE;
+ }
+
+ if(buffer != EGL_BACK_BUFFER)
+ {
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+
+ if(surface == EGL_NO_SURFACE || eglSurface->isWindowSurface())
+ {
+ return error(EGL_BAD_SURFACE, EGL_FALSE);
+ }
+
+ if(eglSurface->getTextureFormat() == EGL_NO_TEXTURE)
+ {
+ return error(EGL_BAD_MATCH, EGL_FALSE);
+ }
+
+ egl::Texture *texture = eglSurface->getBoundTexture();
+
+ if(texture)
+ {
+ texture->releaseTexImage();
+ }
+
+ return success(EGL_TRUE);
+}
+
+EGLBoolean SwapInterval(EGLDisplay dpy, EGLint interval)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLint interval = %d)", dpy, interval);
+
+ egl::Display *display = egl::Display::get(dpy);
+ egl::Context *context = egl::getCurrentContext();
+
+ if(!validateContext(display, context))
+ {
+ return EGL_FALSE;
+ }
+
+ egl::Surface *draw_surface = static_cast<egl::Surface*>(egl::getCurrentDrawSurface());
+
+ if(!draw_surface)
+ {
+ return error(EGL_BAD_SURFACE, EGL_FALSE);
+ }
+
+ draw_surface->setSwapInterval(interval);
+
+ return success(EGL_TRUE);
+}
+
+EGLContext CreateContext(EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint *attrib_list)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLConfig config = %p, EGLContext share_context = %p, "
+ "const EGLint *attrib_list = %p)", dpy, config, share_context, attrib_list);
+
+ EGLint majorVersion = 1;
+ EGLint minorVersion = 0;
+
+ if(attrib_list)
+ {
+ for(const EGLint* attribute = attrib_list; attribute[0] != EGL_NONE; attribute += 2)
+ {
+ switch(attribute[0])
+ {
+ case EGL_CONTEXT_MAJOR_VERSION_KHR: // This token is an alias for EGL_CONTEXT_CLIENT_VERSION
+ majorVersion = attribute[1];
+ break;
+ case EGL_CONTEXT_MINOR_VERSION_KHR:
+ minorVersion = attribute[1];
+ break;
+ case EGL_CONTEXT_FLAGS_KHR:
+ switch(attribute[1])
+ {
+ case EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR:
+ // According to the EGL_KHR_create_context spec:
+ // "Khronos is still defining the expected and required features of debug contexts, so
+ // implementations are currently free to implement "debug contexts" with little or no debug
+ // functionality. However, OpenGL and OpenGL ES implementations supporting the GL_KHR_debug
+ // extension should enable it when this bit is set."
+ break;
+ case EGL_CONTEXT_OPENGL_FORWARD_COMPATIBLE_BIT_KHR:
+ case EGL_CONTEXT_OPENGL_ROBUST_ACCESS_BIT_KHR:
+ // These bits are for OpenGL contexts only, not OpenGL ES contexts
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_CONTEXT);
+ default:
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_CONTEXT);
+ }
+ break;
+ case EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR:
+ switch(attribute[1])
+ {
+ case EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR:
+ case EGL_CONTEXT_OPENGL_COMPATIBILITY_PROFILE_BIT_KHR:
+ // These bits are for OpenGL contexts only, not OpenGL ES contexts
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_CONTEXT);
+ default:
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_CONTEXT);
+ }
+ break;
+ case EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR:
+ switch(attribute[1])
+ {
+ case EGL_NO_RESET_NOTIFICATION_KHR:
+ case EGL_LOSE_CONTEXT_ON_RESET_KHR:
+ // These bits are for OpenGL contexts only, not OpenGL ES contexts
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_CONTEXT);
+ default:
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_CONTEXT);
+ }
+ break;
+ default:
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_CONTEXT);
+ }
+ }
+ }
+
+ switch(majorVersion)
+ {
+ case 1:
+ if(minorVersion != 0 && minorVersion != 1)
+ {
+ // 1.X: Only OpenGL ES 1.0 and 1.1 contexts are supported
+ return error(EGL_BAD_MATCH, EGL_NO_CONTEXT);
+ }
+ break;
+ case 2:
+ case 3:
+ if(minorVersion != 0)
+ {
+ // 2.X and 3.X: Only OpenGL ES 2.0 and 3.0 contexts are currently supported
+ return error(EGL_BAD_MATCH, EGL_NO_CONTEXT);
+ }
+ break;
+ default:
+ return error(EGL_BAD_MATCH, EGL_NO_CONTEXT);
+ }
+
+ egl::Display *display = egl::Display::get(dpy);
+ egl::Context *shareContext = static_cast<egl::Context*>(share_context);
+
+ if(!validateConfig(display, config))
+ {
+ return EGL_NO_CONTEXT;
+ }
+
+ // Allow sharing between different context versions >= 2.0, but isolate 1.x
+ // contexts from 2.0+. Strict matching between context versions >= 2.0 is
+ // confusing for apps to navigate because of version promotion.
+ if(shareContext && ((shareContext->getClientVersion() >= 2) ^ (majorVersion >= 2)))
+ {
+ return error(EGL_BAD_CONTEXT, EGL_NO_CONTEXT);
+ }
+
+ return display->createContext(config, shareContext, majorVersion);
+}
+
+EGLBoolean DestroyContext(EGLDisplay dpy, EGLContext ctx)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLContext ctx = %p)", dpy, ctx);
+
+ egl::Display *display = egl::Display::get(dpy);
+ egl::Context *context = static_cast<egl::Context*>(ctx);
+
+ if(!validateContext(display, context))
+ {
+ return EGL_FALSE;
+ }
+
+ if(ctx == EGL_NO_CONTEXT)
+ {
+ return error(EGL_BAD_CONTEXT, EGL_FALSE);
+ }
+
+ display->destroyContext(context);
+
+ return success(EGL_TRUE);
+}
+
+EGLBoolean MakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLSurface draw = %p, EGLSurface read = %p, EGLContext ctx = %p)",
+ dpy, draw, read, ctx);
+
+ egl::Display *display = egl::Display::get(dpy);
+ egl::Context *context = static_cast<egl::Context*>(ctx);
+ egl::Surface *drawSurface = static_cast<egl::Surface*>(draw);
+ egl::Surface *readSurface = static_cast<egl::Surface*>(read);
+
+ if(ctx != EGL_NO_CONTEXT || draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE)
+ {
+ if(!validateDisplay(display))
+ {
+ return EGL_FALSE;
+ }
+ }
+
+ if(ctx == EGL_NO_CONTEXT && (draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE))
+ {
+ return error(EGL_BAD_MATCH, EGL_FALSE);
+ }
+
+ if(ctx != EGL_NO_CONTEXT && !validateContext(display, context))
+ {
+ return EGL_FALSE;
+ }
+
+ if((draw != EGL_NO_SURFACE && !validateSurface(display, drawSurface)) ||
+ (read != EGL_NO_SURFACE && !validateSurface(display, readSurface)))
+ {
+ return EGL_FALSE;
+ }
+
+ if((draw != EGL_NO_SURFACE && drawSurface->hasClientBuffer()) ||
+ (read != EGL_NO_SURFACE && readSurface->hasClientBuffer()))
+ {
+ // Make current is not supported on IOSurface pbuffers.
+ return error(EGL_BAD_SURFACE, EGL_FALSE);
+ }
+
+ if((draw != EGL_NO_SURFACE) ^ (read != EGL_NO_SURFACE))
+ {
+ return error(EGL_BAD_MATCH, EGL_FALSE);
+ }
+
+ if(draw != read)
+ {
+ UNIMPLEMENTED(); // FIXME
+ }
+
+ egl::setCurrentDrawSurface(drawSurface);
+ egl::setCurrentReadSurface(readSurface);
+ egl::setCurrentContext(context);
+
+ if(context)
+ {
+ context->makeCurrent(drawSurface);
+ }
+
+ return success(EGL_TRUE);
+}
+
+EGLContext GetCurrentContext(void)
+{
+ TRACE("()");
+
+ EGLContext context = egl::getCurrentContext();
+
+ return success(context);
+}
+
+EGLSurface GetCurrentSurface(EGLint readdraw)
+{
+ TRACE("(EGLint readdraw = %d)", readdraw);
+
+ if(readdraw == EGL_READ)
+ {
+ EGLSurface read = egl::getCurrentReadSurface();
+ return success(read);
+ }
+ else if(readdraw == EGL_DRAW)
+ {
+ EGLSurface draw = egl::getCurrentDrawSurface();
+ return success(draw);
+ }
+ else
+ {
+ return error(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
+ }
+}
+
+EGLDisplay GetCurrentDisplay(void)
+{
+ TRACE("()");
+
+ egl::Context *context = egl::getCurrentContext();
+
+ if(!context)
+ {
+ return success(EGL_NO_DISPLAY);
+ }
+
+ egl::Display *display = context->getDisplay();
+
+ if(!display)
+ {
+ return error(EGL_BAD_ACCESS, EGL_NO_DISPLAY);
+ }
+
+ return success(display->getEGLDisplay());
+}
+
+EGLBoolean QueryContext(EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLContext ctx = %p, EGLint attribute = %d, EGLint *value = %p)",
+ dpy, ctx, attribute, value);
+
+ egl::Display *display = egl::Display::get(dpy);
+ egl::Context *context = static_cast<egl::Context*>(ctx);
+
+ if(!validateContext(display, context))
+ {
+ return EGL_FALSE;
+ }
+
+ switch(attribute)
+ {
+ case EGL_CONFIG_ID:
+ *value = context->getConfigID();
+ break;
+ case EGL_CONTEXT_CLIENT_TYPE:
+ *value = egl::getCurrentAPI();
+ break;
+ case EGL_CONTEXT_CLIENT_VERSION:
+ *value = context->getClientVersion();
+ break;
+ case EGL_RENDER_BUFFER:
+ *value = EGL_BACK_BUFFER;
+ break;
+ default:
+ return error(EGL_BAD_ATTRIBUTE, EGL_FALSE);
+ }
+
+ return success(EGL_TRUE);
+}
+
+EGLBoolean WaitGL(void)
+{
+ TRACE("()");
+
+ // glWaitGL is ignored if there is no current EGL rendering context for OpenGL ES.
+ egl::Context *context = egl::getCurrentContext();
+
+ if(context)
+ {
+ context->finish();
+ }
+
+ return success(EGL_TRUE);
+}
+
+EGLBoolean WaitNative(EGLint engine)
+{
+ TRACE("(EGLint engine = %d)", engine);
+
+ if(engine != EGL_CORE_NATIVE_ENGINE)
+ {
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+
+ // eglWaitNative is ignored if there is no current EGL rendering context.
+ egl::Context *context = egl::getCurrentContext();
+
+ if(context)
+ {
+ #if defined(USE_X11)
+ egl::Display *display = context->getDisplay();
+
+ if(!display)
+ {
+ return error(EGL_BAD_DISPLAY, EGL_FALSE);
+ }
+
+ libX11->XSync((::Display*)display->getNativeDisplay(), False);
+ #else
+ UNIMPLEMENTED();
+ #endif
+ }
+
+ return success(EGL_TRUE);
+}
+
+EGLBoolean SwapBuffers(EGLDisplay dpy, EGLSurface surface)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLSurface surface = %p)", dpy, surface);
+
+ egl::Display *display = egl::Display::get(dpy);
+ egl::Surface *eglSurface = (egl::Surface*)surface;
+
+ if(!validateSurface(display, eglSurface))
+ {
+ return EGL_FALSE;
+ }
+
+ if(surface == EGL_NO_SURFACE)
+ {
+ return error(EGL_BAD_SURFACE, EGL_FALSE);
+ }
+
+ eglSurface->swap();
+
+ return success(EGL_TRUE);
+}
+
+EGLBoolean CopyBuffers(EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLSurface surface = %p, EGLNativePixmapType target = %p)", dpy, surface, target);
+
+ egl::Display *display = egl::Display::get(dpy);
+ egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);
+
+ if(!validateSurface(display, eglSurface))
+ {
+ return EGL_FALSE;
+ }
+
+ UNIMPLEMENTED(); // FIXME
+
+ return success(EGL_FALSE);
+}
+
+EGLImage CreateImage(EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLAttrib *attrib_list)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLContext ctx = %p, EGLenum target = 0x%X, buffer = %p, const EGLAttrib *attrib_list = %p)", dpy, ctx, target, buffer, attrib_list);
+
+ egl::Display *display = egl::Display::get(dpy);
+ egl::Context *context = static_cast<egl::Context*>(ctx);
+
+ if(!validateDisplay(display))
+ {
+ return error(EGL_BAD_DISPLAY, EGL_NO_IMAGE_KHR);
+ }
+
+ if(context != EGL_NO_CONTEXT && !display->isValidContext(context))
+ {
+ return error(EGL_BAD_CONTEXT, EGL_NO_IMAGE_KHR);
+ }
+
+ EGLenum imagePreserved = EGL_FALSE;
+ (void)imagePreserved; // currently unused
+
+ GLuint textureLevel = 0;
+ if(attrib_list)
+ {
+ for(const EGLAttrib *attribute = attrib_list; attribute[0] != EGL_NONE; attribute += 2)
+ {
+ if(attribute[0] == EGL_IMAGE_PRESERVED_KHR)
+ {
+ imagePreserved = static_cast<EGLenum>(attribute[1]);
+ }
+ else if(attribute[0] == EGL_GL_TEXTURE_LEVEL_KHR)
+ {
+ textureLevel = static_cast<GLuint>(attribute[1]);
+ }
+ else
+ {
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_IMAGE_KHR);
+ }
+ }
+ }
+
+ #if defined(__ANDROID__)
+ if(target == EGL_NATIVE_BUFFER_ANDROID)
+ {
+ ANativeWindowBuffer *nativeBuffer = reinterpret_cast<ANativeWindowBuffer*>(buffer);
+
+ if(!nativeBuffer || GLPixelFormatFromAndroid(nativeBuffer->format) == GL_NONE)
+ {
+ ERR("%s badness unsupported HAL format=%x", __FUNCTION__, nativeBuffer ? nativeBuffer->format : 0);
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_IMAGE_KHR);
+ }
+
+ Image *image = new AndroidNativeImage(nativeBuffer);
+ EGLImageKHR eglImage = display->createSharedImage(image);
+
+ return success(eglImage);
+ }
+ #endif
+
+ GLuint name = static_cast<GLuint>(reinterpret_cast<uintptr_t>(buffer));
+
+ if(name == 0)
+ {
+ return error(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);
+ }
+
+ EGLenum validationResult = context->validateSharedImage(target, name, textureLevel);
+
+ if(validationResult != EGL_SUCCESS)
+ {
+ return error(validationResult, EGL_NO_IMAGE_KHR);
+ }
+
+ Image *image = context->createSharedImage(target, name, textureLevel);
+
+ if(!image)
+ {
+ return error(EGL_BAD_MATCH, EGL_NO_IMAGE_KHR);
+ }
+
+ if(image->getDepth() > 1)
+ {
+ return error(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR);
+ }
+
+ EGLImage eglImage = display->createSharedImage(image);
+
+ return success(eglImage);
+}
+
+EGLImageKHR CreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLContext ctx = %p, EGLenum target = 0x%X, buffer = %p, const EGLint attrib_list = %p)", dpy, ctx, target, buffer, attrib_list);
+
+ EGLAttribs attribs(attrib_list);
+ return CreateImage(dpy, ctx, target, buffer, &attribs);
+}
+
+EGLBoolean DestroyImageKHR(EGLDisplay dpy, EGLImageKHR image)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLImageKHR image = %p)", dpy, image);
+
+ egl::Display *display = egl::Display::get(dpy);
+
+ if(!validateDisplay(display))
+ {
+ return error(EGL_BAD_DISPLAY, EGL_FALSE);
+ }
+
+ if(!display->destroySharedImage(image))
+ {
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+
+ return success(EGL_TRUE);
+}
+
+EGLDisplay GetPlatformDisplay(EGLenum platform, void *native_display, const EGLAttrib *attrib_list)
+{
+ TRACE("(EGLenum platform = 0x%X, void *native_display = %p, const EGLAttrib *attrib_list = %p)", platform, native_display, attrib_list);
+
+ #if defined(__linux__) && !defined(__ANDROID__)
+ switch(platform)
+ {
+ #if defined(USE_X11)
+ case EGL_PLATFORM_X11_EXT: break;
+ #endif
+ case EGL_PLATFORM_GBM_KHR: break;
+ default:
+ return error(EGL_BAD_PARAMETER, EGL_NO_DISPLAY);
+ }
+
+ if(platform == EGL_PLATFORM_GBM_KHR)
+ {
+ if(native_display != (void*)EGL_DEFAULT_DISPLAY)
+ {
+ return error(EGL_BAD_PARAMETER, EGL_NO_DISPLAY); // Unimplemented
+ }
+
+ if(attrib_list && attrib_list[0] != EGL_NONE)
+ {
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_DISPLAY); // Unimplemented
+ }
+
+ return success(HEADLESS_DISPLAY);
+ }
+ #if defined(USE_X11)
+ else if(platform == EGL_PLATFORM_X11_EXT)
+ {
+ if(!libX11)
+ {
+ return error(EGL_BAD_PARAMETER, EGL_NO_DISPLAY);
+ }
+
+ if(native_display != (void*)EGL_DEFAULT_DISPLAY)
+ {
+ return error(EGL_BAD_PARAMETER, EGL_NO_DISPLAY); // Unimplemented
+ }
+
+ if(attrib_list && attrib_list[0] != EGL_NONE)
+ {
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_DISPLAY); // Unimplemented
+ }
+ }
+ #endif
+
+ return success(PRIMARY_DISPLAY); // We only support the default display
+ #else
+ return error(EGL_BAD_PARAMETER, EGL_NO_DISPLAY);
+ #endif
+}
+
+EGLDisplay GetPlatformDisplayEXT(EGLenum platform, void *native_display, const EGLint *attrib_list)
+{
+ TRACE("(EGLenum platform = 0x%X, void *native_display = %p, const EGLint *attrib_list = %p)", platform, native_display, attrib_list);
+
+ EGLAttribs attribs(attrib_list);
+ return GetPlatformDisplay(platform, native_display, &attribs);
+}
+
+EGLSync CreateSync(EGLDisplay dpy, EGLenum type, const EGLAttrib *attrib_list)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLunum type = %x, EGLAttrib *attrib_list=%p)", dpy, type, attrib_list);
+
+ egl::Display *display = egl::Display::get(dpy);
+
+ if(!validateDisplay(display))
+ {
+ return error(EGL_BAD_DISPLAY, EGL_NO_SYNC_KHR);
+ }
+
+ if(type != EGL_SYNC_FENCE_KHR)
+ {
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_SYNC_KHR);
+ }
+
+ if(attrib_list && attrib_list[0] != EGL_NONE)
+ {
+ return error(EGL_BAD_ATTRIBUTE, EGL_NO_SYNC_KHR);
+ }
+
+ egl::Context *context = egl::getCurrentContext();
+
+ if(!validateContext(display, context))
+ {
+ return error(EGL_BAD_MATCH, EGL_NO_SYNC_KHR);
+ }
+
+ EGLSyncKHR sync = display->createSync(context);
+
+ return success(sync);
+}
+
+EGLSyncKHR CreateSyncKHR(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLunum type = %x, EGLint *attrib_list=%p)", dpy, type, attrib_list);
+
+ EGLAttribs attribs(attrib_list);
+ return CreateSync(dpy, type, &attribs);
+}
+
+EGLBoolean DestroySyncKHR(EGLDisplay dpy, EGLSyncKHR sync)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLSyncKHR sync = %p)", dpy, sync);
+
+ egl::Display *display = egl::Display::get(dpy);
+ FenceSync *eglSync = static_cast<FenceSync*>(sync);
+
+ if(!validateDisplay(display))
+ {
+ return error(EGL_BAD_DISPLAY, EGL_FALSE);
+ }
+
+ if(!display->isValidSync(eglSync))
+ {
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+
+ display->destroySync(eglSync);
+
+ return success(EGL_TRUE);
+}
+
+EGLint ClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLSyncKHR sync = %p, EGLint flags = %x, EGLTimeKHR value = %llx)", dpy, sync, flags, timeout);
+
+ egl::Display *display = egl::Display::get(dpy);
+ FenceSync *eglSync = static_cast<FenceSync*>(sync);
+
+ if(!validateDisplay(display))
+ {
+ return error(EGL_BAD_DISPLAY, EGL_FALSE);
+ }
+
+ if(!display->isValidSync(eglSync))
+ {
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+
+ (void)flags;
+ (void)timeout;
+
+ if(!eglSync->isSignaled())
+ {
+ eglSync->wait();
+ }
+
+ return success(EGL_CONDITION_SATISFIED_KHR);
+}
+
+EGLBoolean GetSyncAttrib(EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLAttrib *value)
+{
+ TRACE("(EGLDisplay dpy = %p, EGLSyncKHR sync = %p, EGLint attribute = %x, EGLAttrib *value = %p)", dpy, sync, attribute, value);
+
+ egl::Display *display = egl::Display::get(dpy);
+ FenceSync *eglSync = static_cast<FenceSync*>(sync);
+
+ if(!validateDisplay(display))
+ {
+ return error(EGL_BAD_DISPLAY, EGL_FALSE);
+ }
+
+ if(!display->isValidSync(eglSync))
+ {
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+
+ if(!value)
+ {
+ return error(EGL_BAD_PARAMETER, EGL_FALSE);
+ }
+
+ switch(attribute)
+ {
+ case EGL_SYNC_TYPE_KHR:
+ *value = EGL_SYNC_FENCE_KHR;
+ return success(EGL_TRUE);
+ case EGL_SYNC_STATUS_KHR:
+ eglSync->wait(); // TODO: Don't block. Just poll based on sw::Query.
+ *value = eglSync->isSignaled() ? EGL_SIGNALED_KHR : EGL_UNSIGNALED_KHR;
+ return success(EGL_TRUE);
+ case EGL_SYNC_CONDITION_KHR:
+ *value = EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR;
+ return success(EGL_TRUE);
+ default:
+ return error(EGL_BAD_ATTRIBUTE, EGL_FALSE);
+ }
+}
+
+EGLBoolean GetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value)
+{
+ EGLAttrib attrib_value;
+ EGLBoolean result = GetSyncAttrib(dpy, sync, attribute, &attrib_value);
+ *value = static_cast<EGLint>(attrib_value);
+ return result;
+}
+
+__eglMustCastToProperFunctionPointerType GetProcAddress(const char *procname)
+{
+ TRACE("(const char *procname = \"%s\")", procname);
+
+ struct Function
+ {
+ const char *name;
+ __eglMustCastToProperFunctionPointerType address;
+ };
+
+ struct CompareFunctor
+ {
+ bool operator()(const Function &a, const Function &b) const
+ {
+ return strcmp(a.name, b.name) < 0;
+ }
+ };
+
+ // This array must be kept sorted with respect to strcmp(), so that binary search works correctly.
+ // The Unix command "LC_COLLATE=C sort" will generate the correct order.
+ static const Function eglFunctions[] =
+ {
+ #define FUNCTION(name) {#name, (__eglMustCastToProperFunctionPointerType)name}
+
+ FUNCTION(eglBindAPI),
+ FUNCTION(eglBindTexImage),
+ FUNCTION(eglChooseConfig),
+ FUNCTION(eglClientWaitSync),
+ FUNCTION(eglClientWaitSyncKHR),
+ FUNCTION(eglCopyBuffers),
+ FUNCTION(eglCreateContext),
+ FUNCTION(eglCreateImage),
+ FUNCTION(eglCreateImageKHR),
+ FUNCTION(eglCreatePbufferFromClientBuffer),
+ FUNCTION(eglCreatePbufferSurface),
+ FUNCTION(eglCreatePixmapSurface),
+ FUNCTION(eglCreatePlatformPixmapSurface),
+ FUNCTION(eglCreatePlatformPixmapSurfaceEXT),
+ FUNCTION(eglCreatePlatformWindowSurface),
+ FUNCTION(eglCreatePlatformWindowSurfaceEXT),
+ FUNCTION(eglCreateSync),
+ FUNCTION(eglCreateSyncKHR),
+ FUNCTION(eglCreateWindowSurface),
+ FUNCTION(eglDestroyContext),
+ FUNCTION(eglDestroyImage),
+ FUNCTION(eglDestroyImageKHR),
+ FUNCTION(eglDestroySurface),
+ FUNCTION(eglDestroySync),
+ FUNCTION(eglDestroySyncKHR),
+ FUNCTION(eglGetConfigAttrib),
+ FUNCTION(eglGetConfigs),
+ FUNCTION(eglGetCurrentContext),
+ FUNCTION(eglGetCurrentDisplay),
+ FUNCTION(eglGetCurrentSurface),
+ FUNCTION(eglGetDisplay),
+ FUNCTION(eglGetError),
+ FUNCTION(eglGetPlatformDisplay),
+ FUNCTION(eglGetPlatformDisplayEXT),
+ FUNCTION(eglGetProcAddress),
+ FUNCTION(eglGetSyncAttrib),
+ FUNCTION(eglGetSyncAttribKHR),
+ FUNCTION(eglInitialize),
+ FUNCTION(eglMakeCurrent),
+ FUNCTION(eglQueryAPI),
+ FUNCTION(eglQueryContext),
+ FUNCTION(eglQueryString),
+ FUNCTION(eglQuerySurface),
+ FUNCTION(eglReleaseTexImage),
+ FUNCTION(eglReleaseThread),
+ FUNCTION(eglSurfaceAttrib),
+ FUNCTION(eglSwapBuffers),
+ FUNCTION(eglSwapInterval),
+ FUNCTION(eglTerminate),
+ FUNCTION(eglWaitClient),
+ FUNCTION(eglWaitGL),
+ FUNCTION(eglWaitNative),
+ FUNCTION(eglWaitSync),
+ FUNCTION(eglWaitSyncKHR),
+
+ #undef FUNCTION
+ };
+
+ static const size_t numFunctions = sizeof eglFunctions / sizeof(Function);
+ static const Function *const eglFunctionsEnd = eglFunctions + numFunctions;
+
+ Function needle;
+ needle.name = procname;
+
+ if(procname && strncmp("egl", procname, 3) == 0)
+ {
+ const Function *result = std::lower_bound(eglFunctions, eglFunctionsEnd, needle, CompareFunctor());
+ if (result != eglFunctionsEnd && strcmp(procname, result->name) == 0)
+ {
+ return success((__eglMustCastToProperFunctionPointerType)result->address);
+ }
+ }
+
+ if(libGLESv2)
+ {
+ __eglMustCastToProperFunctionPointerType proc = libGLESv2->es2GetProcAddress(procname);
+ if(proc) return success(proc);
+ }
+
+ if(libGLES_CM)
+ {
+ __eglMustCastToProperFunctionPointerType proc = libGLES_CM->es1GetProcAddress(procname);
+ if(proc) return success(proc);
+ }
+
+ return success((__eglMustCastToProperFunctionPointerType)NULL);
+}
+}