//
// Copyright (c) 2002-2014 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// libEGL.cpp: Implements the exported EGL functions.
#include <exception>
#include "common/debug.h"
#include "common/version.h"
#include "libGLESv2/Context.h"
#include "libGLESv2/Texture.h"
#include "libGLESv2/main.h"
#include "libGLESv2/renderer/SwapChain.h"
#include "libEGL/main.h"
#include "libEGL/Display.h"
#include "libEGL/Surface.h"
bool validateDisplay(egl::Display *display)
{
if (display == EGL_NO_DISPLAY)
{
return egl::error(EGL_BAD_DISPLAY, false);
}
if (!display->isInitialized())
{
return egl::error(EGL_NOT_INITIALIZED, false);
}
return true;
}
bool validateConfig(egl::Display *display, EGLConfig config)
{
if (!validateDisplay(display))
{
return false;
}
if (!display->isValidConfig(config))
{
return egl::error(EGL_BAD_CONFIG, false);
}
return true;
}
bool validateContext(egl::Display *display, gl::Context *context)
{
if (!validateDisplay(display))
{
return false;
}
if (!display->isValidContext(context))
{
return egl::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 egl::error(EGL_BAD_SURFACE, false);
}
return true;
}
extern "C"
{
EGLint __stdcall eglGetError(void)
{
EVENT("()");
EGLint error = egl::getCurrentError();
if (error != EGL_SUCCESS)
{
egl::setCurrentError(EGL_SUCCESS);
}
return error;
}
EGLDisplay __stdcall eglGetDisplay(EGLNativeDisplayType display_id)
{
EVENT("(EGLNativeDisplayType display_id = 0x%0.8p)", display_id);
return egl::Display::getDisplay(display_id, EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE);
}
EGLDisplay __stdcall eglGetPlatformDisplayEXT(EGLenum platform, void *native_display, const EGLint *attrib_list)
{
EVENT("(EGLenum platform = %d, void* native_display = 0x%0.8p, const EGLint* attrib_list = 0x%0.8p)",
platform, native_display, attrib_list);
switch (platform)
{
case EGL_PLATFORM_ANGLE_ANGLE:
break;
default:
return egl::error(EGL_BAD_CONFIG, EGL_NO_DISPLAY);
}
EGLNativeDisplayType displayId = static_cast<EGLNativeDisplayType>(native_display);
// Validate the display device context
if (WindowFromDC(displayId) == NULL)
{
return egl::success(EGL_NO_DISPLAY);
}
EGLint requestedDisplayType = EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE;
if (attrib_list)
{
for (const EGLint *curAttrib = attrib_list; curAttrib[0] != EGL_NONE; curAttrib += 2)
{
switch (curAttrib[0])
{
case EGL_PLATFORM_ANGLE_TYPE_ANGLE:
requestedDisplayType = curAttrib[1];
break;
default:
break;
}
}
}
switch (requestedDisplayType)
{
case EGL_PLATFORM_ANGLE_TYPE_DEFAULT_ANGLE:
break;
case EGL_PLATFORM_ANGLE_TYPE_D3D9_ANGLE:
case EGL_PLATFORM_ANGLE_TYPE_D3D11_ANGLE:
case EGL_PLATFORM_ANGLE_TYPE_D3D11_WARP_ANGLE:
if (!egl::Display::supportsPlatformD3D())
{
return egl::success(EGL_NO_DISPLAY);
}
break;
case EGL_PLATFORM_ANGLE_TYPE_OPENGL_ANGLE:
case EGL_PLATFORM_ANGLE_TYPE_OPENGLES_ANGLE:
if (!egl::Display::supportsPlatformOpenGL())
{
return egl::success(EGL_NO_DISPLAY);
}
break;
default:
return egl::success(EGL_NO_DISPLAY);
}
return egl::Display::getDisplay(displayId, requestedDisplayType);
}
EGLBoolean __stdcall eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLint *major = 0x%0.8p, EGLint *minor = 0x%0.8p)",
dpy, major, minor);
if (dpy == EGL_NO_DISPLAY)
{
return egl::error(EGL_BAD_DISPLAY, EGL_FALSE);
}
egl::Display *display = static_cast<egl::Display*>(dpy);
if (!display->initialize())
{
return egl::error(EGL_NOT_INITIALIZED, EGL_FALSE);
}
if (major) *major = 1;
if (minor) *minor = 4;
return egl::success(EGL_TRUE);
}
EGLBoolean __stdcall eglTerminate(EGLDisplay dpy)
{
EVENT("(EGLDisplay dpy = 0x%0.8p)", dpy);
if (dpy == EGL_NO_DISPLAY)
{
return egl::error(EGL_BAD_DISPLAY, EGL_FALSE);
}
egl::Display *display = static_cast<egl::Display*>(dpy);
display->terminate();
return egl::success(EGL_TRUE);
}
const char *__stdcall eglQueryString(EGLDisplay dpy, EGLint name)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLint name = %d)", dpy, name);
egl::Display *display = static_cast<egl::Display*>(dpy);
if (!(display == EGL_NO_DISPLAY && name == EGL_EXTENSIONS) && !validateDisplay(display))
{
return NULL;
}
switch (name)
{
case EGL_CLIENT_APIS:
return egl::success("OpenGL_ES");
case EGL_EXTENSIONS:
return egl::success(egl::Display::getExtensionString(display));
case EGL_VENDOR:
return egl::success(display->getVendorString());
case EGL_VERSION:
return egl::success("1.4 (ANGLE " ANGLE_VERSION_STRING ")");
default:
return egl::error(EGL_BAD_PARAMETER, (const char*)NULL);
}
}
EGLBoolean __stdcall eglGetConfigs(EGLDisplay dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLConfig *configs = 0x%0.8p, "
"EGLint config_size = %d, EGLint *num_config = 0x%0.8p)",
dpy, configs, config_size, num_config);
egl::Display *display = static_cast<egl::Display*>(dpy);
if (!validateDisplay(display))
{
return EGL_FALSE;
}
if (!num_config)
{
return egl::error(EGL_BAD_PARAMETER, EGL_FALSE);
}
const EGLint attribList[] = {EGL_NONE};
if (!display->getConfigs(configs, attribList, config_size, num_config))
{
return egl::error(EGL_BAD_ATTRIBUTE, EGL_FALSE);
}
return egl::success(EGL_TRUE);
}
EGLBoolean __stdcall eglChooseConfig(EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, const EGLint *attrib_list = 0x%0.8p, "
"EGLConfig *configs = 0x%0.8p, EGLint config_size = %d, EGLint *num_config = 0x%0.8p)",
dpy, attrib_list, configs, config_size, num_config);
egl::Display *display = static_cast<egl::Display*>(dpy);
if (!validateDisplay(display))
{
return EGL_FALSE;
}
if (!num_config)
{
return egl::error(EGL_BAD_PARAMETER, EGL_FALSE);
}
const EGLint attribList[] = {EGL_NONE};
if (!attrib_list)
{
attrib_list = attribList;
}
display->getConfigs(configs, attrib_list, config_size, num_config);
return egl::success(EGL_TRUE);
}
EGLBoolean __stdcall eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config, EGLint attribute, EGLint *value)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLConfig config = 0x%0.8p, EGLint attribute = %d, EGLint *value = 0x%0.8p)",
dpy, config, attribute, value);
egl::Display *display = static_cast<egl::Display*>(dpy);
if (!validateConfig(display, config))
{
return EGL_FALSE;
}
if (!display->getConfigAttrib(config, attribute, value))
{
return egl::error(EGL_BAD_ATTRIBUTE, EGL_FALSE);
}
return egl::success(EGL_TRUE);
}
EGLSurface __stdcall eglCreateWindowSurface(EGLDisplay dpy, EGLConfig config, EGLNativeWindowType win, const EGLint *attrib_list)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLConfig config = 0x%0.8p, EGLNativeWindowType win = 0x%0.8p, "
"const EGLint *attrib_list = 0x%0.8p)", dpy, config, win, attrib_list);
egl::Display *display = static_cast<egl::Display*>(dpy);
if (!validateConfig(display, config))
{
return EGL_NO_SURFACE;
}
HWND window = (HWND)win;
if (!IsWindow(window))
{
return egl::error(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE);
}
return display->createWindowSurface(window, config, attrib_list);
}
EGLSurface __stdcall eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig config, const EGLint *attrib_list)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLConfig config = 0x%0.8p, const EGLint *attrib_list = 0x%0.8p)",
dpy, config, attrib_list);
egl::Display *display = static_cast<egl::Display*>(dpy);
if (!validateConfig(display, config))
{
return EGL_NO_SURFACE;
}
return display->createOffscreenSurface(config, NULL, attrib_list);
}
EGLSurface __stdcall eglCreatePixmapSurface(EGLDisplay dpy, EGLConfig config, EGLNativePixmapType pixmap, const EGLint *attrib_list)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLConfig config = 0x%0.8p, EGLNativePixmapType pixmap = 0x%0.8p, "
"const EGLint *attrib_list = 0x%0.8p)", dpy, config, pixmap, attrib_list);
egl::Display *display = static_cast<egl::Display*>(dpy);
if (!validateConfig(display, config))
{
return EGL_NO_SURFACE;
}
UNIMPLEMENTED(); // FIXME
return egl::success(EGL_NO_SURFACE);
}
EGLBoolean __stdcall eglDestroySurface(EGLDisplay dpy, EGLSurface surface)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p)", dpy, surface);
egl::Display *display = static_cast<egl::Display*>(dpy);
egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);
if (!validateSurface(display, eglSurface))
{
return EGL_FALSE;
}
if (surface == EGL_NO_SURFACE)
{
return egl::error(EGL_BAD_SURFACE, EGL_FALSE);
}
display->destroySurface((egl::Surface*)surface);
return egl::success(EGL_TRUE);
}
EGLBoolean __stdcall eglQuerySurface(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint *value)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p, EGLint attribute = %d, EGLint *value = 0x%0.8p)",
dpy, surface, attribute, value);
egl::Display *display = static_cast<egl::Display*>(dpy);
egl::Surface *eglSurface = (egl::Surface*)surface;
if (!validateSurface(display, eglSurface))
{
return EGL_FALSE;
}
if (surface == EGL_NO_SURFACE)
{
return egl::error(EGL_BAD_SURFACE, EGL_FALSE);
}
switch (attribute)
{
case EGL_VG_ALPHA_FORMAT:
UNIMPLEMENTED(); // FIXME
break;
case EGL_VG_COLORSPACE:
UNIMPLEMENTED(); // FIXME
break;
case EGL_CONFIG_ID:
*value = eglSurface->getConfigID();
break;
case EGL_HEIGHT:
*value = eglSurface->getHeight();
break;
case EGL_HORIZONTAL_RESOLUTION:
UNIMPLEMENTED(); // FIXME
break;
case EGL_LARGEST_PBUFFER:
UNIMPLEMENTED(); // FIXME
break;
case EGL_MIPMAP_TEXTURE:
UNIMPLEMENTED(); // FIXME
break;
case EGL_MIPMAP_LEVEL:
UNIMPLEMENTED(); // FIXME
break;
case EGL_MULTISAMPLE_RESOLVE:
UNIMPLEMENTED(); // FIXME
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:
*value = eglSurface->getTextureFormat();
break;
case EGL_TEXTURE_TARGET:
*value = eglSurface->getTextureTarget();
break;
case EGL_VERTICAL_RESOLUTION:
UNIMPLEMENTED(); // FIXME
break;
case EGL_WIDTH:
*value = eglSurface->getWidth();
break;
case EGL_POST_SUB_BUFFER_SUPPORTED_NV:
*value = eglSurface->isPostSubBufferSupported();
break;
case EGL_FIXED_SIZE_ANGLE:
*value = eglSurface->isFixedSize();
break;
default:
return egl::error(EGL_BAD_ATTRIBUTE, EGL_FALSE);
}
return egl::success(EGL_TRUE);
}
EGLBoolean __stdcall eglQuerySurfacePointerANGLE(EGLDisplay dpy, EGLSurface surface, EGLint attribute, void **value)
{
TRACE("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p, EGLint attribute = %d, void **value = 0x%0.8p)",
dpy, surface, attribute, value);
egl::Display *display = static_cast<egl::Display*>(dpy);
egl::Surface *eglSurface = (egl::Surface*)surface;
if (!validateSurface(display, eglSurface))
{
return EGL_FALSE;
}
if (surface == EGL_NO_SURFACE)
{
return egl::error(EGL_BAD_SURFACE, EGL_FALSE);
}
switch (attribute)
{
case EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE:
{
rx::SwapChain *swapchain = eglSurface->getSwapChain();
*value = (void*) (swapchain ? swapchain->getShareHandle() : NULL);
}
break;
default:
return egl::error(EGL_BAD_ATTRIBUTE, EGL_FALSE);
}
return egl::success(EGL_TRUE);
}
EGLBoolean __stdcall eglBindAPI(EGLenum api)
{
EVENT("(EGLenum api = 0x%X)", api);
switch (api)
{
case EGL_OPENGL_API:
case EGL_OPENVG_API:
return egl::error(EGL_BAD_PARAMETER, EGL_FALSE); // Not supported by this implementation
case EGL_OPENGL_ES_API:
break;
default:
return egl::error(EGL_BAD_PARAMETER, EGL_FALSE);
}
egl::setCurrentAPI(api);
return egl::success(EGL_TRUE);
}
EGLenum __stdcall eglQueryAPI(void)
{
EVENT("()");
EGLenum API = egl::getCurrentAPI();
return egl::success(API);
}
EGLBoolean __stdcall eglWaitClient(void)
{
EVENT("()");
UNIMPLEMENTED(); // FIXME
return egl::success(0);
}
EGLBoolean __stdcall eglReleaseThread(void)
{
EVENT("()");
eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_CONTEXT, EGL_NO_SURFACE, EGL_NO_SURFACE);
return egl::success(EGL_TRUE);
}
EGLSurface __stdcall eglCreatePbufferFromClientBuffer(EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer, EGLConfig config, const EGLint *attrib_list)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLenum buftype = 0x%X, EGLClientBuffer buffer = 0x%0.8p, "
"EGLConfig config = 0x%0.8p, const EGLint *attrib_list = 0x%0.8p)",
dpy, buftype, buffer, config, attrib_list);
egl::Display *display = static_cast<egl::Display*>(dpy);
if (!validateConfig(display, config))
{
return EGL_NO_SURFACE;
}
if (buftype != EGL_D3D_TEXTURE_2D_SHARE_HANDLE_ANGLE || !buffer)
{
return egl::error(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
}
return display->createOffscreenSurface(config, (HANDLE)buffer, attrib_list);
}
EGLBoolean __stdcall eglSurfaceAttrib(EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p, EGLint attribute = %d, EGLint value = %d)",
dpy, surface, attribute, value);
egl::Display *display = static_cast<egl::Display*>(dpy);
egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);
if (!validateSurface(display, eglSurface))
{
return EGL_FALSE;
}
UNIMPLEMENTED(); // FIXME
return egl::success(EGL_TRUE);
}
EGLBoolean __stdcall eglBindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p, EGLint buffer = %d)", dpy, surface, buffer);
egl::Display *display = static_cast<egl::Display*>(dpy);
egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);
if (!validateSurface(display, eglSurface))
{
return EGL_FALSE;
}
if (buffer != EGL_BACK_BUFFER)
{
return egl::error(EGL_BAD_PARAMETER, EGL_FALSE);
}
if (surface == EGL_NO_SURFACE || eglSurface->getWindowHandle())
{
return egl::error(EGL_BAD_SURFACE, EGL_FALSE);
}
if (eglSurface->getBoundTexture())
{
return egl::error(EGL_BAD_ACCESS, EGL_FALSE);
}
if (eglSurface->getTextureFormat() == EGL_NO_TEXTURE)
{
return egl::error(EGL_BAD_MATCH, EGL_FALSE);
}
if (!glBindTexImage(eglSurface))
{
return egl::error(EGL_BAD_MATCH, EGL_FALSE);
}
return egl::success(EGL_TRUE);
}
EGLBoolean __stdcall eglReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p, EGLint buffer = %d)", dpy, surface, buffer);
egl::Display *display = static_cast<egl::Display*>(dpy);
egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);
if (!validateSurface(display, eglSurface))
{
return EGL_FALSE;
}
if (buffer != EGL_BACK_BUFFER)
{
return egl::error(EGL_BAD_PARAMETER, EGL_FALSE);
}
if (surface == EGL_NO_SURFACE || eglSurface->getWindowHandle())
{
return egl::error(EGL_BAD_SURFACE, EGL_FALSE);
}
if (eglSurface->getTextureFormat() == EGL_NO_TEXTURE)
{
return egl::error(EGL_BAD_MATCH, EGL_FALSE);
}
gl::Texture2D *texture = eglSurface->getBoundTexture();
if (texture)
{
texture->releaseTexImage();
}
return egl::success(EGL_TRUE);
}
EGLBoolean __stdcall eglSwapInterval(EGLDisplay dpy, EGLint interval)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLint interval = %d)", dpy, interval);
egl::Display *display = static_cast<egl::Display*>(dpy);
if (!validateDisplay(display))
{
return EGL_FALSE;
}
egl::Surface *draw_surface = static_cast<egl::Surface*>(egl::getCurrentDrawSurface());
if (draw_surface == NULL)
{
return egl::error(EGL_BAD_SURFACE, EGL_FALSE);
}
draw_surface->setSwapInterval(interval);
return egl::success(EGL_TRUE);
}
EGLContext __stdcall eglCreateContext(EGLDisplay dpy, EGLConfig config, EGLContext share_context, const EGLint *attrib_list)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLConfig config = 0x%0.8p, EGLContext share_context = 0x%0.8p, "
"const EGLint *attrib_list = 0x%0.8p)", dpy, config, share_context, attrib_list);
// Get the requested client version (default is 1) and check it is 2 or 3.
EGLint client_version = 1;
bool reset_notification = false;
bool robust_access = false;
if (attrib_list)
{
for (const EGLint* attribute = attrib_list; attribute[0] != EGL_NONE; attribute += 2)
{
switch (attribute[0])
{
case EGL_CONTEXT_CLIENT_VERSION:
client_version = attribute[1];
break;
case EGL_CONTEXT_OPENGL_ROBUST_ACCESS_EXT:
if (attribute[1] == EGL_TRUE)
{
return egl::error(EGL_BAD_CONFIG, EGL_NO_CONTEXT); // Unimplemented
// robust_access = true;
}
else if (attribute[1] != EGL_FALSE)
return egl::error(EGL_BAD_ATTRIBUTE, EGL_NO_CONTEXT);
break;
case EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_EXT:
if (attribute[1] == EGL_LOSE_CONTEXT_ON_RESET_EXT)
reset_notification = true;
else if (attribute[1] != EGL_NO_RESET_NOTIFICATION_EXT)
return egl::error(EGL_BAD_ATTRIBUTE, EGL_NO_CONTEXT);
break;
default:
return egl::error(EGL_BAD_ATTRIBUTE, EGL_NO_CONTEXT);
}
}
}
if (client_version != 2 && client_version != 3)
{
return egl::error(EGL_BAD_CONFIG, EGL_NO_CONTEXT);
}
egl::Display *display = static_cast<egl::Display*>(dpy);
if (share_context)
{
gl::Context* sharedGLContext = static_cast<gl::Context*>(share_context);
if (sharedGLContext->isResetNotificationEnabled() != reset_notification)
{
return egl::error(EGL_BAD_MATCH, EGL_NO_CONTEXT);
}
if (sharedGLContext->getClientVersion() != client_version)
{
return egl::error(EGL_BAD_CONTEXT, EGL_NO_CONTEXT);
}
// Can not share contexts between displays
if (sharedGLContext->getRenderer() != display->getRenderer())
{
return egl::error(EGL_BAD_MATCH, EGL_NO_CONTEXT);
}
}
if (!validateConfig(display, config))
{
return EGL_NO_CONTEXT;
}
return display->createContext(config, client_version, static_cast<gl::Context*>(share_context), reset_notification, robust_access);
}
EGLBoolean __stdcall eglDestroyContext(EGLDisplay dpy, EGLContext ctx)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLContext ctx = 0x%0.8p)", dpy, ctx);
egl::Display *display = static_cast<egl::Display*>(dpy);
gl::Context *context = static_cast<gl::Context*>(ctx);
if (!validateContext(display, context))
{
return EGL_FALSE;
}
if (ctx == EGL_NO_CONTEXT)
{
return egl::error(EGL_BAD_CONTEXT, EGL_FALSE);
}
display->destroyContext(context);
return egl::success(EGL_TRUE);
}
EGLBoolean __stdcall eglMakeCurrent(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLSurface draw = 0x%0.8p, EGLSurface read = 0x%0.8p, EGLContext ctx = 0x%0.8p)",
dpy, draw, read, ctx);
egl::Display *display = static_cast<egl::Display*>(dpy);
gl::Context *context = static_cast<gl::Context*>(ctx);
bool noContext = (ctx == EGL_NO_CONTEXT);
bool noSurface = (draw == EGL_NO_SURFACE || read == EGL_NO_SURFACE);
if (noContext != noSurface)
{
return egl::error(EGL_BAD_MATCH, EGL_FALSE);
}
if (ctx != EGL_NO_CONTEXT && !validateContext(display, context))
{
return EGL_FALSE;
}
if (dpy != EGL_NO_DISPLAY && display->isInitialized())
{
rx::Renderer *renderer = display->getRenderer();
if (renderer->testDeviceLost(true))
{
return EGL_FALSE;
}
if (renderer->isDeviceLost())
{
return egl::error(EGL_CONTEXT_LOST, EGL_FALSE);
}
}
if ((draw != EGL_NO_SURFACE && !validateSurface(display, static_cast<egl::Surface*>(draw))) ||
(read != EGL_NO_SURFACE && !validateSurface(display, static_cast<egl::Surface*>(read))))
{
return EGL_FALSE;
}
if (draw != read)
{
UNIMPLEMENTED(); // FIXME
}
egl::setCurrentDisplay(dpy);
egl::setCurrentDrawSurface(draw);
egl::setCurrentReadSurface(read);
glMakeCurrent(context, display, static_cast<egl::Surface*>(draw));
return egl::success(EGL_TRUE);
}
EGLContext __stdcall eglGetCurrentContext(void)
{
EVENT("()");
EGLContext context = glGetCurrentContext();
return egl::success(context);
}
EGLSurface __stdcall eglGetCurrentSurface(EGLint readdraw)
{
EVENT("(EGLint readdraw = %d)", readdraw);
if (readdraw == EGL_READ)
{
EGLSurface read = egl::getCurrentReadSurface();
return egl::success(read);
}
else if (readdraw == EGL_DRAW)
{
EGLSurface draw = egl::getCurrentDrawSurface();
return egl::success(draw);
}
else
{
return egl::error(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
}
}
EGLDisplay __stdcall eglGetCurrentDisplay(void)
{
EVENT("()");
EGLDisplay dpy = egl::getCurrentDisplay();
return egl::success(dpy);
}
EGLBoolean __stdcall eglQueryContext(EGLDisplay dpy, EGLContext ctx, EGLint attribute, EGLint *value)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLContext ctx = 0x%0.8p, EGLint attribute = %d, EGLint *value = 0x%0.8p)",
dpy, ctx, attribute, value);
egl::Display *display = static_cast<egl::Display*>(dpy);
gl::Context *context = static_cast<gl::Context*>(ctx);
if (!validateContext(display, context))
{
return EGL_FALSE;
}
UNIMPLEMENTED(); // FIXME
return egl::success(0);
}
EGLBoolean __stdcall eglWaitGL(void)
{
EVENT("()");
UNIMPLEMENTED(); // FIXME
return egl::success(0);
}
EGLBoolean __stdcall eglWaitNative(EGLint engine)
{
EVENT("(EGLint engine = %d)", engine);
UNIMPLEMENTED(); // FIXME
return egl::success(0);
}
EGLBoolean __stdcall eglSwapBuffers(EGLDisplay dpy, EGLSurface surface)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p)", dpy, surface);
egl::Display *display = static_cast<egl::Display*>(dpy);
egl::Surface *eglSurface = (egl::Surface*)surface;
if (!validateSurface(display, eglSurface))
{
return EGL_FALSE;
}
if (display->getRenderer()->isDeviceLost())
{
return egl::error(EGL_CONTEXT_LOST, EGL_FALSE);
}
if (surface == EGL_NO_SURFACE)
{
return egl::error(EGL_BAD_SURFACE, EGL_FALSE);
}
if (eglSurface->swap())
{
return egl::success(EGL_TRUE);
}
return EGL_FALSE;
}
EGLBoolean __stdcall eglCopyBuffers(EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p, EGLNativePixmapType target = 0x%0.8p)", dpy, surface, target);
egl::Display *display = static_cast<egl::Display*>(dpy);
egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);
if (!validateSurface(display, eglSurface))
{
return EGL_FALSE;
}
if (display->getRenderer()->isDeviceLost())
{
return egl::error(EGL_CONTEXT_LOST, EGL_FALSE);
}
UNIMPLEMENTED(); // FIXME
return egl::success(0);
}
EGLBoolean __stdcall eglPostSubBufferNV(EGLDisplay dpy, EGLSurface surface, EGLint x, EGLint y, EGLint width, EGLint height)
{
EVENT("(EGLDisplay dpy = 0x%0.8p, EGLSurface surface = 0x%0.8p, EGLint x = %d, EGLint y = %d, EGLint width = %d, EGLint height = %d)", dpy, surface, x, y, width, height);
if (x < 0 || y < 0 || width < 0 || height < 0)
{
return egl::error(EGL_BAD_PARAMETER, EGL_FALSE);
}
egl::Display *display = static_cast<egl::Display*>(dpy);
egl::Surface *eglSurface = static_cast<egl::Surface*>(surface);
if (!validateSurface(display, eglSurface))
{
return EGL_FALSE;
}
if (display->getRenderer()->isDeviceLost())
{
return egl::error(EGL_CONTEXT_LOST, EGL_FALSE);
}
if (surface == EGL_NO_SURFACE)
{
return egl::error(EGL_BAD_SURFACE, EGL_FALSE);
}
if (eglSurface->postSubBuffer(x, y, width, height))
{
return egl::success(EGL_TRUE);
}
return EGL_FALSE;
}
__eglMustCastToProperFunctionPointerType __stdcall eglGetProcAddress(const char *procname)
{
EVENT("(const char *procname = \"%s\")", procname);
struct Extension
{
const char *name;
__eglMustCastToProperFunctionPointerType address;
};
static const Extension eglExtensions[] =
{
{ "eglQuerySurfacePointerANGLE", (__eglMustCastToProperFunctionPointerType)eglQuerySurfacePointerANGLE },
{ "eglPostSubBufferNV", (__eglMustCastToProperFunctionPointerType)eglPostSubBufferNV },
{ "eglGetPlatformDisplayEXT", (__eglMustCastToProperFunctionPointerType)eglGetPlatformDisplayEXT },
{ "", NULL },
};
for (unsigned int ext = 0; ext < ArraySize(eglExtensions); ext++)
{
if (strcmp(procname, eglExtensions[ext].name) == 0)
{
return (__eglMustCastToProperFunctionPointerType)eglExtensions[ext].address;
}
}
return glGetProcAddress(procname);
}
}