mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-12-27 20:09:49 +01:00
122 lines
2.9 KiB
C
122 lines
2.9 KiB
C
#define _POSIX_C_SOURCE 200809L
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <wayland-client.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include "egl_common.h"
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EGLDisplay egl_display;
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EGLConfig egl_config;
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EGLContext egl_context;
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PFNEGLGETPLATFORMDISPLAYEXTPROC eglGetPlatformDisplayEXT;
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PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC eglCreatePlatformWindowSurfaceEXT;
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const EGLint config_attribs[] = {
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EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
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EGL_RED_SIZE, 1,
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EGL_GREEN_SIZE, 1,
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EGL_BLUE_SIZE, 1,
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EGL_ALPHA_SIZE, 1,
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EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
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EGL_NONE,
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};
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const EGLint context_attribs[] = {
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EGL_CONTEXT_CLIENT_VERSION, 2,
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EGL_NONE,
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};
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bool egl_init(struct wl_display *display) {
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const char *client_exts_str =
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eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
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if (client_exts_str == NULL) {
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if (eglGetError() == EGL_BAD_DISPLAY) {
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fprintf(stderr, "EGL_EXT_client_extensions not supported\n");
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} else {
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fprintf(stderr, "Failed to query EGL client extensions\n");
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}
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return false;
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}
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if (!strstr(client_exts_str, "EGL_EXT_platform_base")) {
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fprintf(stderr, "EGL_EXT_platform_base not supported\n");
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return false;
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}
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if (!strstr(client_exts_str, "EGL_EXT_platform_wayland")) {
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fprintf(stderr, "EGL_EXT_platform_wayland not supported\n");
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return false;
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}
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eglGetPlatformDisplayEXT =
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(void *)eglGetProcAddress("eglGetPlatformDisplayEXT");
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if (eglGetPlatformDisplayEXT == NULL) {
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fprintf(stderr, "Failed to get eglGetPlatformDisplayEXT\n");
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return false;
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}
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eglCreatePlatformWindowSurfaceEXT =
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(void *)eglGetProcAddress("eglCreatePlatformWindowSurfaceEXT");
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if (eglCreatePlatformWindowSurfaceEXT == NULL) {
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fprintf(stderr, "Failed to get eglCreatePlatformWindowSurfaceEXT\n");
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return false;
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}
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egl_display =
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eglGetPlatformDisplayEXT(EGL_PLATFORM_WAYLAND_EXT,
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display, NULL);
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if (egl_display == EGL_NO_DISPLAY) {
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fprintf(stderr, "Failed to create EGL display\n");
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goto error;
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}
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if (eglInitialize(egl_display, NULL, NULL) == EGL_FALSE) {
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fprintf(stderr, "Failed to initialize EGL\n");
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goto error;
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}
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EGLint matched = 0;
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if (!eglChooseConfig(egl_display, config_attribs,
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&egl_config, 1, &matched)) {
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fprintf(stderr, "eglChooseConfig failed\n");
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goto error;
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}
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if (matched == 0) {
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fprintf(stderr, "Failed to match an EGL config\n");
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goto error;
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}
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egl_context =
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eglCreateContext(egl_display, egl_config,
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EGL_NO_CONTEXT, context_attribs);
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if (egl_context == EGL_NO_CONTEXT) {
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fprintf(stderr, "Failed to create EGL context\n");
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goto error;
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}
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return true;
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error:
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eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_SURFACE,
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EGL_NO_SURFACE, EGL_NO_CONTEXT);
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if (egl_display) {
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eglTerminate(egl_display);
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}
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eglReleaseThread();
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return false;
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}
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void egl_finish(void) {
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eglMakeCurrent(egl_display, EGL_NO_SURFACE,
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EGL_NO_SURFACE, EGL_NO_CONTEXT);
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eglDestroyContext(egl_display, egl_context);
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eglTerminate(egl_display);
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eglReleaseThread();
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}
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