660 lines
19 KiB
C++
660 lines
19 KiB
C++
/* SPDX-FileCopyrightText: 2013 Blender Authors
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
|
|
/** \file
|
|
* \ingroup GHOST
|
|
*
|
|
* Definition of GHOST_ContextEGL class.
|
|
*/
|
|
|
|
#include "GHOST_ContextEGL.hh"
|
|
|
|
#include <set>
|
|
#include <sstream>
|
|
#include <vector>
|
|
|
|
#include <cassert>
|
|
#include <cstdio>
|
|
#include <cstring>
|
|
|
|
#define CASE_CODE_RETURN_STR(code) \
|
|
case code: \
|
|
return #code;
|
|
|
|
static const char *get_egl_error_enum_string(EGLint error)
|
|
{
|
|
switch (error) {
|
|
CASE_CODE_RETURN_STR(EGL_SUCCESS)
|
|
CASE_CODE_RETURN_STR(EGL_NOT_INITIALIZED)
|
|
CASE_CODE_RETURN_STR(EGL_BAD_ACCESS)
|
|
CASE_CODE_RETURN_STR(EGL_BAD_ALLOC)
|
|
CASE_CODE_RETURN_STR(EGL_BAD_ATTRIBUTE)
|
|
CASE_CODE_RETURN_STR(EGL_BAD_CONTEXT)
|
|
CASE_CODE_RETURN_STR(EGL_BAD_CONFIG)
|
|
CASE_CODE_RETURN_STR(EGL_BAD_CURRENT_SURFACE)
|
|
CASE_CODE_RETURN_STR(EGL_BAD_DISPLAY)
|
|
CASE_CODE_RETURN_STR(EGL_BAD_SURFACE)
|
|
CASE_CODE_RETURN_STR(EGL_BAD_MATCH)
|
|
CASE_CODE_RETURN_STR(EGL_BAD_PARAMETER)
|
|
CASE_CODE_RETURN_STR(EGL_BAD_NATIVE_PIXMAP)
|
|
CASE_CODE_RETURN_STR(EGL_BAD_NATIVE_WINDOW)
|
|
CASE_CODE_RETURN_STR(EGL_CONTEXT_LOST)
|
|
default:
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
static const char *get_egl_error_message_string(EGLint error)
|
|
{
|
|
switch (error) {
|
|
case EGL_SUCCESS:
|
|
return "The last function succeeded without error.";
|
|
|
|
case EGL_NOT_INITIALIZED:
|
|
return (
|
|
"EGL is not initialized, or could not be initialized, "
|
|
"for the specified EGL display connection.");
|
|
|
|
case EGL_BAD_ACCESS:
|
|
return (
|
|
"EGL cannot access a requested resource "
|
|
"(for example a context is bound in another thread).");
|
|
|
|
case EGL_BAD_ALLOC:
|
|
return "EGL failed to allocate resources for the requested operation.";
|
|
|
|
case EGL_BAD_ATTRIBUTE:
|
|
return "An unrecognized attribute or attribute value was passed in the attribute list.";
|
|
|
|
case EGL_BAD_CONTEXT:
|
|
return "An EGLContext argument does not name a valid EGL rendering context.";
|
|
|
|
case EGL_BAD_CONFIG:
|
|
return "An EGLConfig argument does not name a valid EGL frame buffer configuration.";
|
|
|
|
case EGL_BAD_CURRENT_SURFACE:
|
|
return (
|
|
"The current surface of the calling thread is a window, "
|
|
"pixel buffer or pixmap that is no longer valid.");
|
|
|
|
case EGL_BAD_DISPLAY:
|
|
return "An EGLDisplay argument does not name a valid EGL display connection.";
|
|
|
|
case EGL_BAD_SURFACE:
|
|
return (
|
|
"An EGLSurface argument does not name a valid surface "
|
|
"(window, pixel buffer or pixmap) configured for GL rendering.");
|
|
|
|
case EGL_BAD_MATCH:
|
|
return (
|
|
"Arguments are inconsistent "
|
|
"(for example, a valid context requires buffers not supplied by a valid surface).");
|
|
|
|
case EGL_BAD_PARAMETER:
|
|
return "One or more argument values are invalid.";
|
|
|
|
case EGL_BAD_NATIVE_PIXMAP:
|
|
return "A NativePixmapType argument does not refer to a valid native pixmap.";
|
|
|
|
case EGL_BAD_NATIVE_WINDOW:
|
|
return "A NativeWindowType argument does not refer to a valid native window.";
|
|
|
|
case EGL_CONTEXT_LOST:
|
|
return (
|
|
"A power management event has occurred. "
|
|
"The application must destroy all contexts and reinitialize OpenGL ES state "
|
|
"and objects to continue rendering.");
|
|
|
|
default:
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
static void egl_print_error(const char *message, const EGLint error)
|
|
{
|
|
const char *code = get_egl_error_enum_string(error);
|
|
const char *msg = get_egl_error_message_string(error);
|
|
|
|
fprintf(stderr,
|
|
"%sEGL Error (0x%04X): %s: %s\n",
|
|
message,
|
|
uint(error),
|
|
code ? code : "<Unknown>",
|
|
msg ? msg : "<Unknown>");
|
|
}
|
|
|
|
static bool egl_chk(bool result,
|
|
const char *file = nullptr,
|
|
int line = 0,
|
|
const char *text = nullptr)
|
|
{
|
|
if (!result) {
|
|
const EGLint error = eglGetError();
|
|
#ifndef NDEBUG
|
|
const char *code = get_egl_error_enum_string(error);
|
|
const char *msg = get_egl_error_message_string(error);
|
|
fprintf(stderr,
|
|
"%s:%d: [%s] -> EGL Error (0x%04X): %s: %s\n",
|
|
file,
|
|
line,
|
|
text,
|
|
uint(error),
|
|
code ? code : "<Unknown>",
|
|
msg ? msg : "<Unknown>");
|
|
#else
|
|
egl_print_error("", error);
|
|
(void)(file);
|
|
(void)(line);
|
|
(void)(text);
|
|
#endif
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
#ifndef NDEBUG
|
|
# define EGL_CHK(x) egl_chk((x), __FILE__, __LINE__, #x)
|
|
#else
|
|
# define EGL_CHK(x) egl_chk(x)
|
|
#endif
|
|
|
|
EGLContext GHOST_ContextEGL::s_gl_sharedContext = EGL_NO_CONTEXT;
|
|
EGLint GHOST_ContextEGL::s_gl_sharedCount = 0;
|
|
|
|
EGLContext GHOST_ContextEGL::s_gles_sharedContext = EGL_NO_CONTEXT;
|
|
EGLint GHOST_ContextEGL::s_gles_sharedCount = 0;
|
|
|
|
EGLContext GHOST_ContextEGL::s_vg_sharedContext = EGL_NO_CONTEXT;
|
|
EGLint GHOST_ContextEGL::s_vg_sharedCount = 0;
|
|
|
|
#ifdef _MSC_VER
|
|
# pragma warning(disable : 4715)
|
|
#endif
|
|
|
|
template<typename T> T &choose_api(EGLenum api, T &a, T &b, T &c)
|
|
{
|
|
switch (api) {
|
|
case EGL_OPENGL_API:
|
|
return a;
|
|
case EGL_OPENGL_ES_API:
|
|
return b;
|
|
case EGL_OPENVG_API:
|
|
return c;
|
|
default:
|
|
abort();
|
|
}
|
|
}
|
|
|
|
GHOST_ContextEGL::GHOST_ContextEGL(const GHOST_System *const system,
|
|
const GHOST_ContextParams &context_params,
|
|
EGLNativeWindowType nativeWindow,
|
|
EGLNativeDisplayType nativeDisplay,
|
|
EGLint contextProfileMask,
|
|
EGLint contextMajorVersion,
|
|
EGLint contextMinorVersion,
|
|
EGLint contextFlags,
|
|
EGLint contextResetNotificationStrategy,
|
|
EGLenum api)
|
|
: GHOST_Context(context_params),
|
|
system_(system),
|
|
native_display_(nativeDisplay),
|
|
native_window_(nativeWindow),
|
|
context_profile_mask_(contextProfileMask),
|
|
context_major_version_(contextMajorVersion),
|
|
context_minor_version_(contextMinorVersion),
|
|
context_flags_(contextFlags),
|
|
context_reset_notification_strategy_(contextResetNotificationStrategy),
|
|
api_(api),
|
|
context_(EGL_NO_CONTEXT),
|
|
surface_(EGL_NO_SURFACE),
|
|
display_(EGL_NO_DISPLAY),
|
|
config_(EGL_NO_CONFIG_KHR),
|
|
swap_interval_(1),
|
|
shared_context_(
|
|
choose_api(api, s_gl_sharedContext, s_gles_sharedContext, s_vg_sharedContext)),
|
|
shared_count_(choose_api(api, s_gl_sharedCount, s_gles_sharedCount, s_vg_sharedCount)),
|
|
surface_from_native_window_(false)
|
|
{
|
|
}
|
|
|
|
GHOST_ContextEGL::~GHOST_ContextEGL()
|
|
{
|
|
if (display_ != EGL_NO_DISPLAY) {
|
|
|
|
bindAPI(api_);
|
|
|
|
if (context_ != EGL_NO_CONTEXT) {
|
|
if (context_ == ::eglGetCurrentContext()) {
|
|
EGL_CHK(::eglMakeCurrent(display_, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT));
|
|
}
|
|
if (context_ != shared_context_ || shared_count_ == 1) {
|
|
assert(shared_count_ > 0);
|
|
|
|
shared_count_--;
|
|
|
|
if (shared_count_ == 0) {
|
|
shared_context_ = EGL_NO_CONTEXT;
|
|
}
|
|
EGL_CHK(::eglDestroyContext(display_, context_));
|
|
}
|
|
}
|
|
|
|
if (surface_ != EGL_NO_SURFACE) {
|
|
EGL_CHK(::eglDestroySurface(display_, surface_));
|
|
}
|
|
}
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_ContextEGL::swapBufferRelease()
|
|
{
|
|
return EGL_CHK(::eglSwapBuffers(display_, surface_)) ? GHOST_kSuccess : GHOST_kFailure;
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_ContextEGL::setSwapInterval(int interval)
|
|
{
|
|
if (epoxy_egl_version(display_) >= 11) {
|
|
if (EGL_CHK(::eglSwapInterval(display_, interval))) {
|
|
swap_interval_ = interval;
|
|
|
|
return GHOST_kSuccess;
|
|
}
|
|
return GHOST_kFailure;
|
|
}
|
|
return GHOST_kFailure;
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_ContextEGL::getSwapInterval(int &interval_out)
|
|
{
|
|
/* This is a bit of a kludge because there does not seem to
|
|
* be a way to query the swap interval with EGL. */
|
|
interval_out = swap_interval_;
|
|
|
|
return GHOST_kSuccess;
|
|
}
|
|
|
|
EGLDisplay GHOST_ContextEGL::getDisplay() const
|
|
{
|
|
return display_;
|
|
}
|
|
|
|
EGLConfig GHOST_ContextEGL::getConfig() const
|
|
{
|
|
return config_;
|
|
}
|
|
|
|
EGLContext GHOST_ContextEGL::getContext() const
|
|
{
|
|
return context_;
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_ContextEGL::activateDrawingContext()
|
|
{
|
|
if (display_) {
|
|
active_context_ = this;
|
|
bindAPI(api_);
|
|
return EGL_CHK(::eglMakeCurrent(display_, surface_, surface_, context_)) ? GHOST_kSuccess :
|
|
GHOST_kFailure;
|
|
}
|
|
return GHOST_kFailure;
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_ContextEGL::releaseDrawingContext()
|
|
{
|
|
if (display_) {
|
|
active_context_ = nullptr;
|
|
bindAPI(api_);
|
|
|
|
return EGL_CHK(::eglMakeCurrent(display_, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT)) ?
|
|
GHOST_kSuccess :
|
|
GHOST_kFailure;
|
|
}
|
|
return GHOST_kFailure;
|
|
}
|
|
|
|
inline bool GHOST_ContextEGL::bindAPI(EGLenum api)
|
|
{
|
|
if (epoxy_egl_version(display_) >= 12) {
|
|
return (EGL_CHK(eglBindAPI(api)) == EGL_TRUE);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static const std::string &api_string(EGLenum api)
|
|
{
|
|
static const std::string a("OpenGL");
|
|
static const std::string b("OpenGL ES");
|
|
static const std::string c("OpenVG");
|
|
|
|
return choose_api(api, a, b, c);
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_ContextEGL::initializeDrawingContext()
|
|
{
|
|
/* Objects have to be declared here due to the use of `goto`. */
|
|
std::vector<EGLint> attrib_list;
|
|
EGLint num_config = 0;
|
|
|
|
if (context_params_.is_stereo_visual) {
|
|
fprintf(stderr, "Warning! Stereo OpenGL ES contexts are not supported.\n");
|
|
}
|
|
context_params_.is_stereo_visual = false; /* It doesn't matter what the Window wants. */
|
|
|
|
EGLDisplay prev_display = eglGetCurrentDisplay();
|
|
EGLSurface prev_draw = eglGetCurrentSurface(EGL_DRAW);
|
|
EGLSurface prev_read = eglGetCurrentSurface(EGL_READ);
|
|
EGLContext prev_context = eglGetCurrentContext();
|
|
|
|
EGLint egl_major = 0, egl_minor = 0;
|
|
|
|
if (!EGL_CHK((display_ = ::eglGetDisplay(native_display_)) != EGL_NO_DISPLAY)) {
|
|
goto error;
|
|
}
|
|
|
|
{
|
|
const EGLBoolean init_display_result = ::eglInitialize(display_, &egl_major, &egl_minor);
|
|
const EGLint init_display_error = (init_display_result) ? 0 : eglGetError();
|
|
|
|
if (!init_display_result || (egl_major == 0 && egl_minor == 0)) {
|
|
/* We failed to create a regular render window, retry and see if we can create a headless
|
|
* render context. */
|
|
::eglTerminate(display_);
|
|
|
|
const char *egl_extension_st = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
|
|
assert(egl_extension_st != nullptr);
|
|
assert(egl_extension_st == nullptr ||
|
|
strstr(egl_extension_st, "EGL_MESA_platform_surfaceless") != nullptr);
|
|
if (egl_extension_st == nullptr ||
|
|
strstr(egl_extension_st, "EGL_MESA_platform_surfaceless") == nullptr)
|
|
{
|
|
egl_print_error("Failed to create display GPU context: ", init_display_error);
|
|
fprintf(
|
|
stderr,
|
|
"Failed to create headless GPU context: No EGL_MESA_platform_surfaceless extension");
|
|
goto error;
|
|
}
|
|
|
|
display_ = eglGetPlatformDisplayEXT(
|
|
EGL_PLATFORM_SURFACELESS_MESA, EGL_DEFAULT_DISPLAY, nullptr);
|
|
|
|
const EGLBoolean headless_result = ::eglInitialize(display_, &egl_major, &egl_minor);
|
|
const EGLint init_headless_error = (headless_result) ? 0 : eglGetError();
|
|
|
|
if (!headless_result) {
|
|
egl_print_error("Failed to create display GPU context: ", init_display_error);
|
|
egl_print_error("Failed to create headless GPU context: ", init_headless_error);
|
|
goto error;
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef WITH_GHOST_DEBUG
|
|
fprintf(stderr, "EGL Version %d.%d\n", egl_major, egl_minor);
|
|
#endif
|
|
|
|
if (!EGL_CHK(::eglMakeCurrent(display_, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT))) {
|
|
goto error;
|
|
}
|
|
if (!bindAPI(api_)) {
|
|
goto error;
|
|
}
|
|
|
|
/* Build attribute list. */
|
|
|
|
attrib_list.reserve(20);
|
|
|
|
if (api_ == EGL_OPENGL_ES_API && epoxy_egl_version(display_) >= 12) {
|
|
/* According to the spec it seems that you are required to set EGL_RENDERABLE_TYPE,
|
|
* but some implementations (ANGLE) do not seem to care. */
|
|
|
|
if (context_major_version_ == 1) {
|
|
attrib_list.push_back(EGL_RENDERABLE_TYPE);
|
|
attrib_list.push_back(EGL_OPENGL_ES_BIT);
|
|
}
|
|
else if (context_major_version_ == 2) {
|
|
attrib_list.push_back(EGL_RENDERABLE_TYPE);
|
|
attrib_list.push_back(EGL_OPENGL_ES2_BIT);
|
|
}
|
|
else if (context_major_version_ == 3) {
|
|
attrib_list.push_back(EGL_RENDERABLE_TYPE);
|
|
attrib_list.push_back(EGL_OPENGL_ES3_BIT_KHR);
|
|
}
|
|
else {
|
|
fprintf(stderr,
|
|
"Warning! Unable to request an ES context of version %d.%d\n",
|
|
context_major_version_,
|
|
context_minor_version_);
|
|
}
|
|
|
|
if (!((context_major_version_ == 1) ||
|
|
(context_major_version_ == 2 && epoxy_egl_version(display_) >= 13) ||
|
|
(context_major_version_ == 3 &&
|
|
epoxy_has_egl_extension(display_, "KHR_create_context")) ||
|
|
(context_major_version_ == 3 && epoxy_egl_version(display_) >= 15)))
|
|
{
|
|
fprintf(stderr,
|
|
"Warning! May not be able to create a version %d.%d ES context with version %d.%d "
|
|
"of EGL\n",
|
|
context_major_version_,
|
|
context_minor_version_,
|
|
egl_major,
|
|
egl_minor);
|
|
}
|
|
}
|
|
else {
|
|
attrib_list.push_back(EGL_RENDERABLE_TYPE);
|
|
attrib_list.push_back(EGL_OPENGL_BIT);
|
|
}
|
|
|
|
attrib_list.push_back(EGL_RED_SIZE);
|
|
attrib_list.push_back(8);
|
|
|
|
attrib_list.push_back(EGL_GREEN_SIZE);
|
|
attrib_list.push_back(8);
|
|
|
|
attrib_list.push_back(EGL_BLUE_SIZE);
|
|
attrib_list.push_back(8);
|
|
|
|
if (native_window_ == 0) {
|
|
/* Off-screen surface. */
|
|
attrib_list.push_back(EGL_SURFACE_TYPE);
|
|
attrib_list.push_back(EGL_PBUFFER_BIT);
|
|
}
|
|
|
|
attrib_list.push_back(EGL_NONE);
|
|
|
|
if (!EGL_CHK(::eglChooseConfig(display_, &(attrib_list[0]), &config_, 1, &num_config))) {
|
|
goto error;
|
|
}
|
|
|
|
/* A common error is to assume that ChooseConfig worked because it returned EGL_TRUE. */
|
|
if (num_config != 1) { /* `num_config` should be exactly 1. */
|
|
goto error;
|
|
}
|
|
|
|
if (native_window_ != 0) {
|
|
std::vector<EGLint> surface_attrib_list;
|
|
surface_attrib_list.reserve(3);
|
|
#ifdef WITH_GHOST_WAYLAND
|
|
/* Fix transparency issue on: `Wayland + Nouveau/Zink+NVK`. Due to unsupported texture formats
|
|
* drivers can hit transparency code-paths resulting in showing the desktop in viewports.
|
|
*
|
|
* See #102994. */
|
|
/* EGL_EXT_present_opaque isn't added to the latest release of epoxy, but is part of the latest
|
|
* EGL https://github.com/KhronosGroup/EGL-Registry/blob/main/api/egl.xml */
|
|
if (epoxy_has_egl_extension(display_, "EGL_EXT_present_opaque")) {
|
|
# ifndef EGL_PRESENT_OPAQUE_EXT
|
|
# define EGL_PRESENT_OPAQUE_EXT 0x31DF
|
|
# endif
|
|
surface_attrib_list.push_back(EGL_PRESENT_OPAQUE_EXT);
|
|
surface_attrib_list.push_back(EGL_TRUE);
|
|
}
|
|
#endif
|
|
surface_attrib_list.push_back(EGL_NONE);
|
|
|
|
surface_ = ::eglCreateWindowSurface(
|
|
display_, config_, native_window_, surface_attrib_list.data());
|
|
surface_from_native_window_ = true;
|
|
}
|
|
else {
|
|
static const EGLint pb_attrib_list[] = {
|
|
EGL_WIDTH,
|
|
1,
|
|
EGL_HEIGHT,
|
|
1,
|
|
EGL_NONE,
|
|
};
|
|
surface_ = ::eglCreatePbufferSurface(display_, config_, pb_attrib_list);
|
|
}
|
|
|
|
if (!EGL_CHK(surface_ != EGL_NO_SURFACE)) {
|
|
goto error;
|
|
}
|
|
attrib_list.clear();
|
|
|
|
if (epoxy_egl_version(display_) >= 15 || epoxy_has_egl_extension(display_, "KHR_create_context"))
|
|
{
|
|
if (api_ == EGL_OPENGL_API || api_ == EGL_OPENGL_ES_API) {
|
|
if (context_major_version_ != 0) {
|
|
attrib_list.push_back(EGL_CONTEXT_MAJOR_VERSION_KHR);
|
|
attrib_list.push_back(context_major_version_);
|
|
}
|
|
|
|
if (context_minor_version_ != 0) {
|
|
attrib_list.push_back(EGL_CONTEXT_MINOR_VERSION_KHR);
|
|
attrib_list.push_back(context_minor_version_);
|
|
}
|
|
|
|
if (context_flags_ != 0) {
|
|
attrib_list.push_back(EGL_CONTEXT_FLAGS_KHR);
|
|
attrib_list.push_back(context_flags_);
|
|
}
|
|
}
|
|
else {
|
|
if (context_major_version_ != 0 || context_minor_version_ != 0) {
|
|
fprintf(stderr,
|
|
"Warning! Cannot request specific versions of %s contexts.",
|
|
api_string(api_).c_str());
|
|
}
|
|
|
|
if (context_flags_ != 0) {
|
|
fprintf(stderr, "Warning! Flags cannot be set on %s contexts.", api_string(api_).c_str());
|
|
}
|
|
}
|
|
|
|
if (api_ == EGL_OPENGL_API) {
|
|
if (context_profile_mask_ != 0) {
|
|
attrib_list.push_back(EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR);
|
|
attrib_list.push_back(context_profile_mask_);
|
|
}
|
|
}
|
|
else {
|
|
if (context_profile_mask_ != 0) {
|
|
fprintf(
|
|
stderr, "Warning! Cannot select profile for %s contexts.", api_string(api_).c_str());
|
|
}
|
|
}
|
|
|
|
if (api_ == EGL_OPENGL_API || epoxy_egl_version(display_) >= 15) {
|
|
if (context_reset_notification_strategy_ != 0) {
|
|
attrib_list.push_back(EGL_CONTEXT_OPENGL_RESET_NOTIFICATION_STRATEGY_KHR);
|
|
attrib_list.push_back(context_reset_notification_strategy_);
|
|
}
|
|
}
|
|
else {
|
|
if (context_reset_notification_strategy_ != 0) {
|
|
fprintf(stderr,
|
|
"Warning! EGL %d.%d cannot set the reset notification strategy on %s contexts.",
|
|
egl_major,
|
|
egl_minor,
|
|
api_string(api_).c_str());
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
if (api_ == EGL_OPENGL_ES_API) {
|
|
if (context_major_version_ != 0) {
|
|
attrib_list.push_back(EGL_CONTEXT_CLIENT_VERSION);
|
|
attrib_list.push_back(context_major_version_);
|
|
}
|
|
}
|
|
else {
|
|
if (context_major_version_ != 0 || context_minor_version_ != 0) {
|
|
fprintf(stderr,
|
|
"Warning! EGL %d.%d is unable to select between versions of %s.",
|
|
egl_major,
|
|
egl_minor,
|
|
api_string(api_).c_str());
|
|
}
|
|
}
|
|
|
|
if (context_flags_ != 0) {
|
|
fprintf(stderr, "Warning! EGL %d.%d is unable to set context flags.", egl_major, egl_minor);
|
|
}
|
|
if (context_profile_mask_ != 0) {
|
|
fprintf(stderr,
|
|
"Warning! EGL %d.%d is unable to select between profiles.",
|
|
egl_major,
|
|
egl_minor);
|
|
}
|
|
if (context_reset_notification_strategy_ != 0) {
|
|
fprintf(stderr,
|
|
"Warning! EGL %d.%d is unable to set the reset notification strategies.",
|
|
egl_major,
|
|
egl_minor);
|
|
}
|
|
}
|
|
|
|
attrib_list.push_back(EGL_NONE);
|
|
|
|
context_ = ::eglCreateContext(display_, config_, shared_context_, &(attrib_list[0]));
|
|
|
|
if (!EGL_CHK(context_ != EGL_NO_CONTEXT)) {
|
|
goto error;
|
|
}
|
|
|
|
if (shared_context_ == EGL_NO_CONTEXT) {
|
|
shared_context_ = context_;
|
|
}
|
|
|
|
shared_count_++;
|
|
|
|
if (!EGL_CHK(::eglMakeCurrent(display_, surface_, surface_, context_))) {
|
|
goto error;
|
|
}
|
|
|
|
{
|
|
const GHOST_TVSyncModes vsync = getVSync();
|
|
if (vsync != GHOST_kVSyncModeUnset) {
|
|
setSwapInterval(int(vsync));
|
|
}
|
|
}
|
|
|
|
if (native_window_ != 0) {
|
|
initClearGL();
|
|
::eglSwapBuffers(display_, surface_);
|
|
}
|
|
|
|
active_context_ = this;
|
|
return GHOST_kSuccess;
|
|
|
|
error:
|
|
if (prev_display != EGL_NO_DISPLAY) {
|
|
EGL_CHK(eglMakeCurrent(prev_display, prev_draw, prev_read, prev_context));
|
|
}
|
|
return GHOST_kFailure;
|
|
}
|
|
|
|
GHOST_TSuccess GHOST_ContextEGL::releaseNativeHandles()
|
|
{
|
|
native_display_ = nullptr;
|
|
|
|
native_window_ = 0;
|
|
if (surface_from_native_window_) {
|
|
surface_ = EGL_NO_SURFACE;
|
|
}
|
|
|
|
return GHOST_kSuccess;
|
|
}
|