#include <stdio.h> #include <stdlib.h> #include <stdint.h> #include <stdbool.h> #include <unistd.h> #include <string.h> #include <errno.h> #include <fcntl.h> #include <glob.h> #include "ui/egl-helpers.h" EGLDisplay *qemu_egl_display; EGLConfig qemu_egl_config; /* ---------------------------------------------------------------------- */ static bool egl_gles; static int egl_debug; #define egl_dbg(_x ...) \ do { \ if (egl_debug) { \ fprintf(stderr, "egl: " _x); \ } \ } while (0); /* ---------------------------------------------------------------------- */ EGLSurface qemu_egl_init_surface_x11(EGLContext ectx, Window win) { EGLSurface esurface; EGLBoolean b; egl_dbg("eglCreateWindowSurface (x11 win id 0x%lx) ...\n", (unsigned long) win); esurface = eglCreateWindowSurface(qemu_egl_display, qemu_egl_config, (EGLNativeWindowType)win, NULL); if (esurface == EGL_NO_SURFACE) { fprintf(stderr, "egl: eglCreateWindowSurface failed\n"); return NULL; } b = eglMakeCurrent(qemu_egl_display, esurface, esurface, ectx); if (b == EGL_FALSE) { fprintf(stderr, "egl: eglMakeCurrent failed\n"); return NULL; } return esurface; } /* ---------------------------------------------------------------------- */ int qemu_egl_init_dpy(EGLNativeDisplayType dpy, bool gles, bool debug) { static const EGLint conf_att_gl[] = { EGL_SURFACE_TYPE, EGL_WINDOW_BIT, EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, EGL_RED_SIZE, 5, EGL_GREEN_SIZE, 5, EGL_BLUE_SIZE, 5, EGL_ALPHA_SIZE, 0, EGL_NONE, }; static const EGLint conf_att_gles[] = { EGL_SURFACE_TYPE, EGL_WINDOW_BIT, EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, EGL_RED_SIZE, 5, EGL_GREEN_SIZE, 5, EGL_BLUE_SIZE, 5, EGL_ALPHA_SIZE, 0, EGL_NONE, }; EGLint major, minor; EGLBoolean b; EGLint n; if (debug) { egl_debug = 1; setenv("EGL_LOG_LEVEL", "debug", true); setenv("LIBGL_DEBUG", "verbose", true); } egl_dbg("eglGetDisplay (dpy %p) ...\n", dpy); qemu_egl_display = eglGetDisplay(dpy); if (qemu_egl_display == EGL_NO_DISPLAY) { fprintf(stderr, "egl: eglGetDisplay failed\n"); return -1; } egl_dbg("eglInitialize ...\n"); b = eglInitialize(qemu_egl_display, &major, &minor); if (b == EGL_FALSE) { fprintf(stderr, "egl: eglInitialize failed\n"); return -1; } egl_dbg("eglBindAPI ...\n"); b = eglBindAPI(gles ? EGL_OPENGL_ES_API : EGL_OPENGL_API); if (b == EGL_FALSE) { fprintf(stderr, "egl: eglBindAPI failed\n"); return -1; } egl_dbg("eglChooseConfig ...\n"); b = eglChooseConfig(qemu_egl_display, gles ? conf_att_gles : conf_att_gl, &qemu_egl_config, 1, &n); if (b == EGL_FALSE || n != 1) { fprintf(stderr, "egl: eglChooseConfig failed\n"); return -1; } egl_gles = gles; return 0; } EGLContext qemu_egl_init_ctx(void) { static const EGLint ctx_att_gl[] = { EGL_NONE }; static const EGLint ctx_att_gles[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE }; EGLContext ectx; EGLBoolean b; egl_dbg("eglCreateContext ...\n"); ectx = eglCreateContext(qemu_egl_display, qemu_egl_config, EGL_NO_CONTEXT, egl_gles ? ctx_att_gles : ctx_att_gl); if (ectx == EGL_NO_CONTEXT) { fprintf(stderr, "egl: eglCreateContext failed\n"); return NULL; } b = eglMakeCurrent(qemu_egl_display, EGL_NO_SURFACE, EGL_NO_SURFACE, ectx); if (b == EGL_FALSE) { fprintf(stderr, "egl: eglMakeCurrent failed\n"); return NULL; } return ectx; }