mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-02 20:05:58 +01:00
122 lines
2.9 KiB
C
122 lines
2.9 KiB
C
#define _POSIX_C_SOURCE 200809L
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdbool.h>
|
|
#include <unistd.h>
|
|
#include <wayland-client.h>
|
|
|
|
#include <EGL/egl.h>
|
|
#include <EGL/eglext.h>
|
|
|
|
#include "egl_common.h"
|
|
|
|
EGLDisplay egl_display;
|
|
EGLConfig egl_config;
|
|
EGLContext egl_context;
|
|
|
|
PFNEGLGETPLATFORMDISPLAYEXTPROC eglGetPlatformDisplayEXT;
|
|
PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC eglCreatePlatformWindowSurfaceEXT;
|
|
|
|
const EGLint config_attribs[] = {
|
|
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
|
|
EGL_RED_SIZE, 1,
|
|
EGL_GREEN_SIZE, 1,
|
|
EGL_BLUE_SIZE, 1,
|
|
EGL_ALPHA_SIZE, 1,
|
|
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
|
|
EGL_NONE,
|
|
};
|
|
|
|
const EGLint context_attribs[] = {
|
|
EGL_CONTEXT_CLIENT_VERSION, 2,
|
|
EGL_NONE,
|
|
};
|
|
|
|
bool egl_init(struct wl_display *display) {
|
|
const char *client_exts_str =
|
|
eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
|
|
if (client_exts_str == NULL) {
|
|
if (eglGetError() == EGL_BAD_DISPLAY) {
|
|
fprintf(stderr, "EGL_EXT_client_extensions not supported\n");
|
|
} else {
|
|
fprintf(stderr, "Failed to query EGL client extensions\n");
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if (!strstr(client_exts_str, "EGL_EXT_platform_base")) {
|
|
fprintf(stderr, "EGL_EXT_platform_base not supported\n");
|
|
return false;
|
|
}
|
|
|
|
if (!strstr(client_exts_str, "EGL_EXT_platform_wayland")) {
|
|
fprintf(stderr, "EGL_EXT_platform_wayland not supported\n");
|
|
return false;
|
|
}
|
|
|
|
eglGetPlatformDisplayEXT =
|
|
(void *)eglGetProcAddress("eglGetPlatformDisplayEXT");
|
|
if (eglGetPlatformDisplayEXT == NULL) {
|
|
fprintf(stderr, "Failed to get eglGetPlatformDisplayEXT\n");
|
|
return false;
|
|
}
|
|
|
|
eglCreatePlatformWindowSurfaceEXT =
|
|
(void *)eglGetProcAddress("eglCreatePlatformWindowSurfaceEXT");
|
|
if (eglCreatePlatformWindowSurfaceEXT == NULL) {
|
|
fprintf(stderr, "Failed to get eglCreatePlatformWindowSurfaceEXT\n");
|
|
return false;
|
|
}
|
|
|
|
egl_display =
|
|
eglGetPlatformDisplayEXT(EGL_PLATFORM_WAYLAND_EXT,
|
|
display, NULL);
|
|
if (egl_display == EGL_NO_DISPLAY) {
|
|
fprintf(stderr, "Failed to create EGL display\n");
|
|
goto error;
|
|
}
|
|
|
|
if (eglInitialize(egl_display, NULL, NULL) == EGL_FALSE) {
|
|
fprintf(stderr, "Failed to initialize EGL\n");
|
|
goto error;
|
|
}
|
|
|
|
EGLint matched = 0;
|
|
if (!eglChooseConfig(egl_display, config_attribs,
|
|
&egl_config, 1, &matched)) {
|
|
fprintf(stderr, "eglChooseConfig failed\n");
|
|
goto error;
|
|
}
|
|
if (matched == 0) {
|
|
fprintf(stderr, "Failed to match an EGL config\n");
|
|
goto error;
|
|
}
|
|
|
|
egl_context =
|
|
eglCreateContext(egl_display, egl_config,
|
|
EGL_NO_CONTEXT, context_attribs);
|
|
if (egl_context == EGL_NO_CONTEXT) {
|
|
fprintf(stderr, "Failed to create EGL context\n");
|
|
goto error;
|
|
}
|
|
|
|
return true;
|
|
|
|
error:
|
|
eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_SURFACE,
|
|
EGL_NO_SURFACE, EGL_NO_CONTEXT);
|
|
if (egl_display) {
|
|
eglTerminate(egl_display);
|
|
}
|
|
eglReleaseThread();
|
|
return false;
|
|
}
|
|
|
|
void egl_finish(void) {
|
|
eglMakeCurrent(egl_display, EGL_NO_SURFACE,
|
|
EGL_NO_SURFACE, EGL_NO_CONTEXT);
|
|
eglDestroyContext(egl_display, egl_context);
|
|
eglTerminate(egl_display);
|
|
eglReleaseThread();
|
|
}
|