bool cInterfaceEGL::ChooseAndCreate(void *window_handle, bool core, bool use565) {
int attribs32[] = {
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, // Keep this first!
EGL_RED_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
EGL_ALPHA_SIZE, 8,
EGL_DEPTH_SIZE, 16,
EGL_STENCIL_SIZE, 8,
EGL_TRANSPARENT_TYPE, EGL_NONE,
EGL_NONE, 0
};
int attribs16[] = {
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, // Keep this first!
EGL_RED_SIZE, 5,
EGL_GREEN_SIZE, 6,
EGL_BLUE_SIZE, 5,
EGL_ALPHA_SIZE, 0,
EGL_DEPTH_SIZE, 16,
EGL_STENCIL_SIZE, 8,
EGL_TRANSPARENT_TYPE, EGL_NONE,
EGL_NONE, 0
};
int attribsFallback32[] = {
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, // Keep this first!
EGL_RED_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
EGL_ALPHA_SIZE, 8,
EGL_DEPTH_SIZE, 16,
EGL_NONE, 0
};
int attribsFallback16[] = {
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, // Keep this first!
EGL_RED_SIZE, 5,
EGL_GREEN_SIZE, 6,
EGL_BLUE_SIZE, 5,
EGL_ALPHA_SIZE, 0,
EGL_DEPTH_SIZE, 16,
EGL_NONE, 0
};
int *attribs = attribs32;
int *attribsFallback = attribsFallback32;
if (use565) {
attribs = attribs16;
attribsFallback = attribsFallback16;
}
EGLint ctx_attribs[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE, 0
};
switch (s_opengl_mode) {
case MODE_OPENGL:
EGL_ILOG("Setting RENDERABLE_TYPE to EGL_OPENGL_BIT");
attribs[1] = EGL_OPENGL_BIT;
ctx_attribs[0] = EGL_NONE;
break;
case MODE_OPENGLES2:
EGL_ILOG("Setting RENDERABLE_TYPE to EGL_OPENGL_ES2_BIT");
attribs[1] = EGL_OPENGL_ES2_BIT;
ctx_attribs[1] = 2;
break;
case MODE_OPENGLES3:
EGL_ILOG("Setting RENDERABLE_TYPE to EGL_OPENGL_ES3_BIT_KHR");
attribs[1] = (1 << 6); /* EGL_OPENGL_ES3_BIT_KHR */
ctx_attribs[1] = 3;
break;
default:
EGL_ELOG("Unknown OpenGL mode set\n");
return false;
break;
}
EGL_ILOG("Calling eglChooseConfig to get number of configs (use16bit=%d)...", (int)use565);
EGLConfig *configs;
EGLint num_configs;
if (!eglChooseConfig(egl_dpy, attribs, NULL, 0, &num_configs) || num_configs == 0) {
EGL_ILOG("Error: couldn't get a number of configs. Trying with fallback config (no stencil, not specifying transparent:none)\n");
attribsFallback[1] = attribs[1];
attribs = attribsFallback;
if (!eglChooseConfig(egl_dpy, attribs, NULL, 0, &num_configs) || num_configs == 0) {
eglTerminate(egl_dpy);
return false;
}
}
EGL_ILOG("Got %d configs. Now choosing...", num_configs);
configs = new EGLConfig[num_configs];
if (!eglChooseConfig(egl_dpy, attribs, configs, num_configs, &num_configs)) {
EGL_ELOG("Error: couldn't get an EGL visual config (num_configs=%d)! Terminating EGL.\n", num_configs);
eglTerminate(egl_dpy);
return false;
}
int chosenConfig = -1;
// Find our ideal config in the list. If it's there, use it, otherwise pick whatever the device wanted (#0)
int wantedAlpha = 8;
// Requiring alpha seems to be a problem on older devices. Let's see if this helps...
if (attribs[1] == EGL_OPENGL_ES2_BIT)
wantedAlpha = 0;
for (int i = 0; i < num_configs; i++) {
EGL_ILOG("Config %d:", i);
LogEGLConfig(egl_dpy, configs[i]);
int red, green, blue, alpha, depth, stencil;
eglGetConfigAttrib(egl_dpy, configs[i], EGL_RED_SIZE, &red);
eglGetConfigAttrib(egl_dpy, configs[i], EGL_GREEN_SIZE, &green);
eglGetConfigAttrib(egl_dpy, configs[i], EGL_BLUE_SIZE, &blue);
eglGetConfigAttrib(egl_dpy, configs[i], EGL_ALPHA_SIZE, &alpha);
eglGetConfigAttrib(egl_dpy, configs[i], EGL_DEPTH_SIZE, &depth);
eglGetConfigAttrib(egl_dpy, configs[i], EGL_STENCIL_SIZE, &stencil);
if (chosenConfig == -1 && red == 8 && green == 8 && blue == 8 && alpha == wantedAlpha && depth == 24 && stencil == 8) {
chosenConfig = i;
}
}
if (chosenConfig == -1)
chosenConfig = 0;
EGL_ILOG("eglChooseConfig successful: num_configs=%d, choosing config %d", num_configs, chosenConfig);
if (s_opengl_mode == MODE_OPENGL) {
EGL_ILOG("eglBindAPI(OPENGL)");
eglBindAPI(EGL_OPENGL_API);
} else {
EGL_ILOG("eglBindAPI(OPENGL_ES)");
eglBindAPI(EGL_OPENGL_ES_API);
}
EGLNativeWindowType host_window = (EGLNativeWindowType)window_handle;
EGLNativeWindowType native_window = InitializePlatform(host_window, configs[chosenConfig]);
const char *s = eglQueryString(egl_dpy, EGL_VERSION);
EGL_ILOG("EGL_VERSION = %s\n", s);
s = eglQueryString(egl_dpy, EGL_VENDOR);
EGL_ILOG("EGL_VENDOR = %s\n", s);
s = eglQueryString(egl_dpy, EGL_EXTENSIONS);
EGL_ILOG("EGL_EXTENSIONS = %s\n", s);
s = eglQueryString(egl_dpy, EGL_CLIENT_APIS);
EGL_ILOG("EGL_CLIENT_APIS = %s\n", s);
egl_ctx = eglCreateContext(egl_dpy, configs[chosenConfig], EGL_NO_CONTEXT, ctx_attribs);
if (!egl_ctx) {
EGL_ILOG("Error: eglCreateContext failed: %s\n", EGLGetErrorString(eglGetError()));
delete[] configs;
return false;
}
EGL_ILOG("Successfully created EGL context.\n");
egl_surf = eglCreateWindowSurface(egl_dpy, configs[chosenConfig], native_window, nullptr);
if (!egl_surf) {
EGL_ILOG("Error: eglCreateWindowSurface failed: native_window=%p error=%s ctx_attribs[1]==%d\n", native_window, EGLGetErrorString(eglGetError()), ctx_attribs[1]);
eglDestroyContext(egl_dpy, egl_ctx);
delete[] configs;
return false;
}
EGL_ILOG("Successfully created EGL window surface (window=%p).\n", native_window);
delete[] configs;
return true;
}
// Create rendering window.
bool cInterfaceEGL::Create(void *window_handle, bool core, bool use16bit)
{
const char *s;
EGLint egl_major, egl_minor;
egl_dpy = OpenDisplay();
if (!egl_dpy)
{
INFO_LOG(G3D, "Error: eglGetDisplay() failed\n");
return false;
}
if (!eglInitialize(egl_dpy, &egl_major, &egl_minor))
{
INFO_LOG(G3D, "Error: eglInitialize() failed\n");
return false;
}
INFO_LOG(G3D, "eglInitialize() succeeded\n");
if (s_opengl_mode == MODE_DETECT || s_opengl_mode == MODE_DETECT_ES)
DetectMode();
int attribs32[] = {
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, // Keep this first!
EGL_RED_SIZE, 8,
EGL_GREEN_SIZE, 8,
EGL_BLUE_SIZE, 8,
EGL_ALPHA_SIZE, 8,
EGL_DEPTH_SIZE, 16,
EGL_STENCIL_SIZE, 8,
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_TRANSPARENT_TYPE, EGL_NONE,
EGL_SAMPLES, 0,
EGL_NONE, 0
};
int attribs16[] = {
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, // Keep this first!
EGL_RED_SIZE, 5,
EGL_GREEN_SIZE, 6,
EGL_BLUE_SIZE, 5,
EGL_ALPHA_SIZE, 0,
EGL_DEPTH_SIZE, 16,
EGL_STENCIL_SIZE, 8,
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_TRANSPARENT_TYPE, EGL_NONE,
EGL_SAMPLES, 0,
EGL_NONE, 0
};
int *attribs = attribs32;
if (use16bit) {
attribs = attribs16;
}
EGLint ctx_attribs[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE, 0
};
switch (s_opengl_mode) {
case MODE_OPENGL:
attribs[1] = EGL_OPENGL_BIT;
ctx_attribs[0] = EGL_NONE;
break;
case MODE_OPENGLES2:
attribs[1] = EGL_OPENGL_ES2_BIT;
ctx_attribs[1] = 2;
break;
case MODE_OPENGLES3:
attribs[1] = (1 << 6); /* EGL_OPENGL_ES3_BIT_KHR */
ctx_attribs[1] = 3;
break;
default:
ERROR_LOG(G3D, "Unknown OpenGL mode set\n");
return false;
break;
}
EGLConfig *configs;
EGLint num_configs;
if (!eglChooseConfig(egl_dpy, attribs, NULL, 0, &num_configs) || num_configs == 0) {
INFO_LOG(G3D, "Error: couldn't get a number of configs\n");
eglTerminate(egl_dpy);
return false;
}
configs = new EGLConfig[num_configs];
if (!eglChooseConfig(egl_dpy, attribs, configs, num_configs, &num_configs)) {
INFO_LOG(G3D, "Error: couldn't get an EGL visual config\n");
eglTerminate(egl_dpy);
return false;
}
INFO_LOG(G3D, "eglChooseConfig successful: num_configs=%d, choosing config 0", num_configs);
for (int i = 0; i < num_configs; i++) {
INFO_LOG(G3D, "Config %d:", i);
LogEGLConfig(egl_dpy, configs[i]);
}
if (s_opengl_mode == MODE_OPENGL)
eglBindAPI(EGL_OPENGL_API);
else
eglBindAPI(EGL_OPENGL_ES_API);
EGLNativeWindowType host_window = (EGLNativeWindowType) window_handle;
EGLNativeWindowType native_window = InitializePlatform(host_window, configs[0]);
s = eglQueryString(egl_dpy, EGL_VERSION);
INFO_LOG(G3D, "EGL_VERSION = %s\n", s);
s = eglQueryString(egl_dpy, EGL_VENDOR);
INFO_LOG(G3D, "EGL_VENDOR = %s\n", s);
s = eglQueryString(egl_dpy, EGL_EXTENSIONS);
INFO_LOG(G3D, "EGL_EXTENSIONS = %s\n", s);
s = eglQueryString(egl_dpy, EGL_CLIENT_APIS);
INFO_LOG(G3D, "EGL_CLIENT_APIS = %s\n", s);
egl_ctx = eglCreateContext(egl_dpy, configs[0], EGL_NO_CONTEXT, ctx_attribs);
if (!egl_ctx) {
INFO_LOG(G3D, "Error: eglCreateContext failed: %s\n", EGLGetErrorString(eglGetError()));
eglTerminate(egl_dpy);
delete[] configs;
return false;
}
egl_surf = eglCreateWindowSurface(egl_dpy, configs[0], native_window, nullptr);
if (!egl_surf) {
INFO_LOG(G3D, "Error: eglCreateWindowSurface failed: native_window=%p error=%s ctx_attribs[1]==%d\n", native_window, EGLGetErrorString(eglGetError()), ctx_attribs[1]);
eglDestroyContext(egl_dpy, egl_ctx);
eglTerminate(egl_dpy);
delete[] configs;
return false;
}
delete[] configs;
return true;
}