diff options
Diffstat (limited to 'drmtools-egl.c')
| -rw-r--r-- | drmtools-egl.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/drmtools-egl.c b/drmtools-egl.c deleted file mode 100644 index 50a3408..0000000 --- a/drmtools-egl.c +++ /dev/null @@ -1,202 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include <stdbool.h> -#include <unistd.h> -#include <fcntl.h> -#include <errno.h> -#include <string.h> -#include <inttypes.h> -#include <getopt.h> - -#include <sys/ioctl.h> -#include <sys/mman.h> - -#include <gbm.h> -#include <epoxy/gl.h> -#include <epoxy/egl.h> - -#include "gfx.h" -#include "drmtools.h" - -/* ------------------------------------------------------------------ */ - -static struct gbm_device *gbm_dev; -static struct gbm_surface *gbm_surface; -static EGLDisplay dpy; -static EGLConfig cfg; -static EGLContext ctx; -static EGLSurface surface; - -/* ------------------------------------------------------------------ */ - -static int drm_setup_egl(void) -{ - static const EGLint conf_att[] = { - EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT, - EGL_SURFACE_TYPE, EGL_WINDOW_BIT, - EGL_RED_SIZE, 5, - EGL_GREEN_SIZE, 5, - EGL_BLUE_SIZE, 5, - EGL_ALPHA_SIZE, 0, - EGL_NONE, - }; - static const EGLint ctx_att[] = { - EGL_NONE - }; - EGLint major, minor; - EGLBoolean b; - EGLint n; - - gbm_dev = gbm_create_device(drm_fd); - if (!gbm_dev) { - fprintf(stderr, "egl: gbm_create_device failed\n"); - return -1; - } - - gbm_surface = gbm_surface_create(gbm_dev, - drm_mode->hdisplay, - drm_mode->vdisplay, - GBM_FORMAT_XRGB8888, - GBM_BO_USE_RENDERING); - if (!gbm_surface) { - fprintf(stderr, "egl: gbm_create_surface failed\n"); - return -1; - } - -#ifdef EGL_MESA_platform_gbm - dpy = eglGetPlatformDisplayEXT(EGL_PLATFORM_GBM_MESA, gbm_dev, NULL); -#else - dpy = eglGetDisplay(gbm_dev); -#endif - if (dpy == EGL_NO_DISPLAY) { - fprintf(stderr, "egl: eglGetDisplay failed\n"); - return -1; - } - - b = eglInitialize(dpy, &major, &minor); - if (b == EGL_FALSE) { - fprintf(stderr, "egl: eglInitialize failed\n"); - return -1; - } - - b = eglBindAPI(EGL_OPENGL_API); - if (b == EGL_FALSE) { - fprintf(stderr, "egl: eglBindAPI failed\n"); - return -1; - } - - b = eglChooseConfig(dpy, conf_att, &cfg, 1, &n); - if (b == EGL_FALSE || n != 1) { - fprintf(stderr, "egl: eglChooseConfig failed\n"); - return -1; - } - - ctx = eglCreateContext(dpy, cfg, EGL_NO_CONTEXT, ctx_att); - if (ctx == EGL_NO_CONTEXT) { - fprintf(stderr, "egl: eglCreateContext failed\n"); - return -1; - } - - b = eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, ctx); - if (b == EGL_FALSE) { - fprintf(stderr, "egl: eglMakeCurrent(EGL_NO_SURFACE) failed\n"); - return -1; - } - - surface = eglCreateWindowSurface(dpy, cfg, - (EGLNativeWindowType)gbm_surface, - NULL); - if (!surface) { - fprintf(stderr, "egl: eglCreateWindowSurface failed\n"); - return -1; - } - - b = eglMakeCurrent(dpy, surface, surface, ctx); - if (b == EGL_FALSE) { - fprintf(stderr, "egl: eglMakeCurrent(surface) failed\n"); - return -1; - } - return 0; -} - -static void drm_egl_restore_display(void) -{ - /* FIXME */ -} - -static int fbid; -static struct gbm_bo *bo; - -/* called after cairo_gl_surface_swapbuffers(); */ -static void drm_egl_flush_display(bool second) -{ - uint32_t handle, stride, newfb; - struct gbm_bo *newbo; - int rc; - - newbo = gbm_surface_lock_front_buffer(gbm_surface); - if (!newbo) { - fprintf(stderr, "egl: gbm_surface_lock_front_buffer failed\n"); - return; - } - handle = gbm_bo_get_handle(newbo).u32; - stride = gbm_bo_get_stride(newbo); - - drmModeAddFB(drm_fd, drm_mode->hdisplay, drm_mode->vdisplay, 24, 32, - stride, handle, &newfb); - rc = drmModeSetCrtc(drm_fd, drm_enc->crtc_id, newfb, 0, 0, - &drm_conn->connector_id, 1, - &drm_conn->modes[0]); - if (rc < 0) { - fprintf(stderr, "egl: drmModeSetCrtc() failed\n"); - return; - } - - if (fbid) { - drmModeRmFB(drm_fd, fbid); - } - fbid = newfb; - - if (bo) { - gbm_surface_release_buffer(gbm_surface, bo); - } - bo = newbo; -} - -gfxstate *drm_init_egl(const char *device, const char *output, const char *mode) -{ - gfxstate *gfx; - char dev[64]; - - if (device) { - snprintf(dev, sizeof(dev), "%s", device); - } else { - snprintf(dev, sizeof(dev), DRM_DEV_NAME, DRM_DIR_NAME, 0); - } - fprintf(stderr, "trying drm/egl: %s ...\n", dev); - - if (drm_init_dev(dev, output, mode) < 0) - return NULL; - if (drm_setup_egl() < 0) - return NULL; - - fprintf(stderr, "%s: %s\n", - glGetString(GL_VENDOR), glGetString(GL_RENDERER)); - - /* prepare gfx */ - gfx = malloc(sizeof(*gfx)); - memset(gfx, 0, sizeof(*gfx)); - - gfx->hdisplay = drm_mode->hdisplay; - gfx->vdisplay = drm_mode->vdisplay; - - gfx->dpy = dpy; - gfx->ctx = ctx; - gfx->surface = surface; - - gfx->restore_display = drm_egl_restore_display; - gfx->cleanup_display = drm_cleanup_display; - gfx->flush_display = drm_egl_flush_display; - - return gfx; -} |