egl: turn boolean `int`s into `bool`s
[mesa.git] / src / egl / drivers / dri2 / platform_drm.c
index bf205bef47a645e7e7834158354d051f1faa5d29..2cf7106255f279bca9da8fc2a29af6e79424ecd9 100644 (file)
@@ -25,6 +25,7 @@
  *    Kristian Høgsberg <krh@bitplanet.net>
  */
 
+#include <stdint.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -55,7 +56,7 @@ lock_front_buffer(struct gbm_surface *_surf)
    bo = dri2_surf->current->bo;
 
    if (device->dri2) {
-      dri2_surf->current->locked = 1;
+      dri2_surf->current->locked = true;
       dri2_surf->current = NULL;
    }
 
@@ -67,11 +68,11 @@ release_buffer(struct gbm_surface *_surf, struct gbm_bo *bo)
 {
    struct gbm_dri_surface *surf = (struct gbm_dri_surface *) _surf;
    struct dri2_egl_surface *dri2_surf = surf->dri_private;
-   int i;
+   unsigned i;
 
    for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
       if (dri2_surf->color_buffers[i].bo == bo) {
-        dri2_surf->color_buffers[i].locked = 0;
+        dri2_surf->color_buffers[i].locked = false;
       }
    }
 }
@@ -81,7 +82,7 @@ has_free_buffers(struct gbm_surface *_surf)
 {
    struct gbm_dri_surface *surf = (struct gbm_dri_surface *) _surf;
    struct dri2_egl_surface *dri2_surf = surf->dri_private;
-   int i;
+   unsigned i;
 
    for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++)
       if (!dri2_surf->color_buffers[i].locked)
@@ -100,6 +101,7 @@ dri2_drm_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
    struct dri2_egl_surface *dri2_surf;
    struct gbm_surface *window = native_window;
    struct gbm_dri_surface *surf;
+   const __DRIconfig *config;
 
    (void) drv;
 
@@ -114,8 +116,11 @@ dri2_drm_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
 
    switch (type) {
    case EGL_WINDOW_BIT:
-      if (!window)
-         return NULL;
+      if (!window) {
+         _eglError(EGL_BAD_NATIVE_WINDOW, "dri2_create_surface");
+         goto cleanup_surf;
+      }
+
       surf = gbm_dri_surface(window);
       dri2_surf->gbm_surf = surf;
       dri2_surf->base.Width =  surf->base.width;
@@ -126,18 +131,20 @@ dri2_drm_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
       goto cleanup_surf;
    }
 
+   config = dri2_get_dri_config(dri2_conf, EGL_WINDOW_BIT,
+                                dri2_surf->base.GLColorspace);
+
    if (dri2_dpy->dri2) {
       dri2_surf->dri_drawable =
-         (*dri2_dpy->dri2->createNewDrawable) (dri2_dpy->dri_screen,
-                                               dri2_conf->dri_double_config,
-                                               dri2_surf->gbm_surf);
+         dri2_dpy->dri2->createNewDrawable(dri2_dpy->dri_screen, config,
+                                           dri2_surf->gbm_surf);
 
    } else {
       assert(dri2_dpy->swrast != NULL);
+
       dri2_surf->dri_drawable =
-         (*dri2_dpy->swrast->createNewDrawable) (dri2_dpy->dri_screen,
-                                                 dri2_conf->dri_double_config,
-                                                 dri2_surf->gbm_surf);
+         dri2_dpy->swrast->createNewDrawable(dri2_dpy->dri_screen, config,
+                                             dri2_surf->gbm_surf);
 
    }
    if (dri2_surf->dri_drawable == NULL) {
@@ -182,12 +189,9 @@ dri2_drm_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
 {
    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
    struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
-   int i;
-
-   if (!_eglPutSurface(surf))
-      return EGL_TRUE;
+   unsigned i;
 
-   (*dri2_dpy->core->destroyDrawable)(dri2_surf->dri_drawable);
+   dri2_dpy->core->destroyDrawable(dri2_surf->dri_drawable);
 
    for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
       if (dri2_surf->color_buffers[i].bo)
@@ -211,23 +215,36 @@ get_back_bo(struct dri2_egl_surface *dri2_surf)
    struct dri2_egl_display *dri2_dpy =
       dri2_egl_display(dri2_surf->base.Resource.Display);
    struct gbm_dri_surface *surf = dri2_surf->gbm_surf;
-   int i;
+   int age = 0;
+   unsigned i;
 
    if (dri2_surf->back == NULL) {
       for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
-        if (!dri2_surf->color_buffers[i].locked) {
+        if (!dri2_surf->color_buffers[i].locked &&
+             dri2_surf->color_buffers[i].age >= age) {
            dri2_surf->back = &dri2_surf->color_buffers[i];
-           break;
+           age = dri2_surf->color_buffers[i].age;
         }
       }
    }
 
    if (dri2_surf->back == NULL)
       return -1;
-   if (dri2_surf->back->bo == NULL)
-      dri2_surf->back->bo = gbm_bo_create(&dri2_dpy->gbm_dri->base.base,
-                                         surf->base.width, surf->base.height,
-                                         surf->base.format, surf->base.flags);
+   if (dri2_surf->back->bo == NULL) {
+      if (surf->base.modifiers)
+         dri2_surf->back->bo = gbm_bo_create_with_modifiers(&dri2_dpy->gbm_dri->base,
+                                                            surf->base.width, surf->base.height,
+                                                            surf->base.format,
+                                                            surf->base.modifiers,
+                                                            surf->base.count);
+      else
+         dri2_surf->back->bo = gbm_bo_create(&dri2_dpy->gbm_dri->base,
+                                             surf->base.width,
+                                             surf->base.height,
+                                             surf->base.format,
+                                             surf->base.flags);
+
+   }
    if (dri2_surf->back->bo == NULL)
       return -1;
 
@@ -247,7 +264,7 @@ get_swrast_front_bo(struct dri2_egl_surface *dri2_surf)
    }
 
    if (dri2_surf->current->bo == NULL)
-      dri2_surf->current->bo = gbm_bo_create(&dri2_dpy->gbm_dri->base.base,
+      dri2_surf->current->bo = gbm_bo_create(&dri2_dpy->gbm_dri->base,
                                              surf->base.width, surf->base.height,
                                              surf->base.format, surf->base.flags);
    if (dri2_surf->current->bo == NULL)
@@ -407,34 +424,35 @@ dri2_drm_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
 {
    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
    struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
-   int i;
+   unsigned i;
 
-   if (dri2_dpy->swrast) {
-      (*dri2_dpy->core->swapBuffers)(dri2_surf->dri_drawable);
-   } else {
-      if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
-         if (dri2_surf->current)
-            _eglError(EGL_BAD_SURFACE, "dri2_swap_buffers");
-         for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++)
-            if (dri2_surf->color_buffers[i].age > 0)
-               dri2_surf->color_buffers[i].age++;
-
-         /* Make sure we have a back buffer in case we're swapping without
-          * ever rendering. */
-         if (get_back_bo(dri2_surf) < 0) {
-            _eglError(EGL_BAD_ALLOC, "dri2_swap_buffers");
-            return EGL_FALSE;
-         }
+   if (!dri2_dpy->flush) {
+      dri2_dpy->core->swapBuffers(dri2_surf->dri_drawable);
+      return EGL_TRUE;
+   }
 
-         dri2_surf->current = dri2_surf->back;
-         dri2_surf->current->age = 1;
-         dri2_surf->back = NULL;
+   if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
+      if (dri2_surf->current)
+         _eglError(EGL_BAD_SURFACE, "dri2_swap_buffers");
+      for (i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++)
+         if (dri2_surf->color_buffers[i].age > 0)
+            dri2_surf->color_buffers[i].age++;
+
+      /* Make sure we have a back buffer in case we're swapping without
+       * ever rendering. */
+      if (get_back_bo(dri2_surf) < 0) {
+         _eglError(EGL_BAD_ALLOC, "dri2_swap_buffers");
+         return EGL_FALSE;
       }
 
-      dri2_flush_drawable_for_swapbuffers(disp, draw);
-      (*dri2_dpy->flush->invalidate)(dri2_surf->dri_drawable);
+      dri2_surf->current = dri2_surf->back;
+      dri2_surf->current->age = 1;
+      dri2_surf->back = NULL;
    }
 
+   dri2_flush_drawable_for_swapbuffers(disp, draw);
+   dri2_dpy->flush->invalidate(dri2_surf->dri_drawable);
+
    return EGL_TRUE;
 }
 
@@ -446,7 +464,7 @@ dri2_drm_query_buffer_age(_EGLDriver *drv,
 
    if (get_back_bo(dri2_surf) < 0) {
       _eglError(EGL_BAD_ALLOC, "dri2_query_buffer_age");
-      return 0;
+      return -1;
    }
 
    return dri2_surf->back->age;
@@ -527,17 +545,17 @@ swrast_put_image2(__DRIdrawable *driDrawable,
       return;
 
    bo = gbm_dri_bo(dri2_surf->current->bo);
-   if (gbm_dri_bo_map(bo) == NULL)
+   if (gbm_dri_bo_map_dumb(bo) == NULL)
       return;
 
-   internal_stride = bo->base.base.stride;
+   internal_stride = bo->base.stride;
 
    for (i = 0; i < height; i++) {
       memcpy(bo->map + (x + i) * internal_stride + y,
              data + i * stride, stride);
    }
 
-   gbm_dri_bo_unmap(bo);
+   gbm_dri_bo_unmap_dumb(bo);
 }
 
 static void
@@ -557,10 +575,10 @@ swrast_get_image(__DRIdrawable *driDrawable,
       return;
 
    bo = gbm_dri_bo(dri2_surf->current->bo);
-   if (gbm_dri_bo_map(bo) == NULL)
+   if (gbm_dri_bo_map_dumb(bo) == NULL)
       return;
 
-   internal_stride = bo->base.base.stride;
+   internal_stride = bo->base.stride;
    stride = width * 4;
 
    for (i = 0; i < height; i++) {
@@ -568,10 +586,68 @@ swrast_get_image(__DRIdrawable *driDrawable,
              bo->map + (x + i) * internal_stride + y, stride);
    }
 
-   gbm_dri_bo_unmap(bo);
+   gbm_dri_bo_unmap_dumb(bo);
+}
+
+static EGLBoolean
+drm_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *disp)
+{
+   struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
+   static const struct {
+      int format;
+      unsigned int red_mask;
+      unsigned int alpha_mask;
+   } visuals[] = {
+      { GBM_FORMAT_XRGB2101010, 0x3ff00000, 0x00000000 },
+      { GBM_FORMAT_ARGB2101010, 0x3ff00000, 0xc0000000 },
+      { GBM_FORMAT_XRGB8888,    0x00ff0000, 0x00000000 },
+      { GBM_FORMAT_ARGB8888,    0x00ff0000, 0xff000000 },
+      { GBM_FORMAT_RGB565,      0x0000f800, 0x00000000 },
+   };
+   EGLint attr_list[] = {
+      EGL_NATIVE_VISUAL_ID, 0,
+      EGL_NONE,
+   };
+   unsigned int format_count[ARRAY_SIZE(visuals)] = { 0 };
+   unsigned int count, i, j;
+
+   count = 0;
+   for (i = 0; dri2_dpy->driver_configs[i]; i++) {
+      unsigned int red, alpha;
+
+      dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[i],
+                                      __DRI_ATTRIB_RED_MASK, &red);
+      dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[i],
+                                      __DRI_ATTRIB_ALPHA_MASK, &alpha);
+
+      for (j = 0; j < ARRAY_SIZE(visuals); j++) {
+         struct dri2_egl_config *dri2_conf;
+
+         if (visuals[j].red_mask != red || visuals[j].alpha_mask != alpha)
+            continue;
+
+         attr_list[1] = visuals[j].format;
+
+         dri2_conf = dri2_add_config(disp, dri2_dpy->driver_configs[i],
+               count + 1, EGL_WINDOW_BIT, attr_list, NULL);
+         if (dri2_conf) {
+            count++;
+            format_count[j]++;
+         }
+      }
+   }
+
+   for (i = 0; i < ARRAY_SIZE(format_count); i++) {
+      if (!format_count[i]) {
+         _eglLog(_EGL_DEBUG, "No DRI config supports native format 0x%x",
+                 visuals[i].format);
+      }
+   }
+
+   return (count != 0);
 }
 
-static struct dri2_egl_display_vtbl dri2_drm_display_vtbl = {
+static const struct dri2_egl_display_vtbl dri2_drm_display_vtbl = {
    .authenticate = dri2_drm_authenticate,
    .create_window_surface = dri2_drm_create_window_surface,
    .create_pixmap_surface = dri2_drm_create_pixmap_surface,
@@ -582,11 +658,13 @@ static struct dri2_egl_display_vtbl dri2_drm_display_vtbl = {
    .swap_buffers = dri2_drm_swap_buffers,
    .swap_buffers_with_damage = dri2_fallback_swap_buffers_with_damage,
    .swap_buffers_region = dri2_fallback_swap_buffers_region,
+   .set_damage_region = dri2_fallback_set_damage_region,
    .post_sub_buffer = dri2_fallback_post_sub_buffer,
    .copy_buffers = dri2_fallback_copy_buffers,
    .query_buffer_age = dri2_drm_query_buffer_age,
    .create_wayland_buffer_from_image = dri2_fallback_create_wayland_buffer_from_image,
    .get_sync_values = dri2_fallback_get_sync_values,
+   .get_dri_drawable = dri2_surface_get_dri_drawable,
 };
 
 EGLBoolean
@@ -594,8 +672,7 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
 {
    struct dri2_egl_display *dri2_dpy;
    struct gbm_device *gbm;
-   int fd = -1;
-   int i;
+   const char *err;
 
    loader_set_logger(_eglLog);
 
@@ -603,6 +680,7 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
    if (!dri2_dpy)
       return _eglError(EGL_BAD_ALLOC, "eglInitialize");
 
+   dri2_dpy->fd = -1;
    disp->DriverData = (void *) dri2_dpy;
 
    gbm = disp->PlatformDisplay;
@@ -610,43 +688,34 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
       char buf[64];
       int n = snprintf(buf, sizeof(buf), DRM_DEV_NAME, DRM_DIR_NAME, 0);
       if (n != -1 && n < sizeof(buf))
-         fd = open(buf, O_RDWR);
-      if (fd < 0)
-         fd = open("/dev/dri/card0", O_RDWR);
-      dri2_dpy->own_device = 1;
-      gbm = gbm_create_device(fd);
-      if (gbm == NULL)
-         return EGL_FALSE;
+         dri2_dpy->fd = loader_open_device(buf);
+      if (dri2_dpy->fd < 0)
+         dri2_dpy->fd = loader_open_device("/dev/dri/card0");
+      gbm = gbm_create_device(dri2_dpy->fd);
+      if (gbm == NULL) {
+         err = "DRI2: failed to create gbm device";
+         goto cleanup;
+      }
+      dri2_dpy->own_device = true;
+   } else {
+      dri2_dpy->fd = fcntl(gbm_device_get_fd(gbm), F_DUPFD_CLOEXEC, 3);
+      if (dri2_dpy->fd < 0) {
+         err = "DRI2: failed to fcntl() existing gbm device";
+         goto cleanup;
+      }
    }
 
    if (strcmp(gbm_device_get_backend_name(gbm), "drm") != 0) {
-      free(dri2_dpy);
-      return EGL_FALSE;
+      err = "DRI2: gbm device using incorrect/incompatible backend";
+      goto cleanup;
    }
 
    dri2_dpy->gbm_dri = gbm_dri_device(gbm);
-   if (dri2_dpy->gbm_dri->base.type != GBM_DRM_DRIVER_TYPE_DRI) {
-      free(dri2_dpy);
-      return EGL_FALSE;
-   }
-
-   if (fd < 0) {
-      fd = dup(gbm_device_get_fd(gbm));
-      if (fd < 0) {
-         free(dri2_dpy);
-         return EGL_FALSE;
-      }
-   }
-
-   dri2_dpy->fd = fd;
-   dri2_dpy->device_name = loader_get_device_name_for_fd(dri2_dpy->fd);
-   dri2_dpy->driver_name = strdup(dri2_dpy->gbm_dri->base.driver_name);
+   dri2_dpy->driver_name = strdup(dri2_dpy->gbm_dri->driver_name);
 
    dri2_dpy->dri_screen = dri2_dpy->gbm_dri->screen;
    dri2_dpy->core = dri2_dpy->gbm_dri->core;
    dri2_dpy->dri2 = dri2_dpy->gbm_dri->dri2;
-   dri2_dpy->image = dri2_dpy->gbm_dri->image;
-   dri2_dpy->flush = dri2_dpy->gbm_dri->flush;
    dri2_dpy->swrast = dri2_dpy->gbm_dri->swrast;
    dri2_dpy->driver_configs = dri2_dpy->gbm_dri->driver_configs;
 
@@ -660,39 +729,20 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
    dri2_dpy->gbm_dri->swrast_put_image2 = swrast_put_image2;
    dri2_dpy->gbm_dri->swrast_get_image = swrast_get_image;
 
-   dri2_dpy->gbm_dri->base.base.surface_lock_front_buffer = lock_front_buffer;
-   dri2_dpy->gbm_dri->base.base.surface_release_buffer = release_buffer;
-   dri2_dpy->gbm_dri->base.base.surface_has_free_buffers = has_free_buffers;
-
-   dri2_setup_screen(disp);
+   dri2_dpy->gbm_dri->base.surface_lock_front_buffer = lock_front_buffer;
+   dri2_dpy->gbm_dri->base.surface_release_buffer = release_buffer;
+   dri2_dpy->gbm_dri->base.surface_has_free_buffers = has_free_buffers;
 
-   for (i = 0; dri2_dpy->driver_configs[i]; i++) {
-      EGLint format, attr_list[3];
-      unsigned int red, alpha;
-
-      dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[i],
-                                       __DRI_ATTRIB_RED_MASK, &red);
-      dri2_dpy->core->getConfigAttrib(dri2_dpy->driver_configs[i],
-                                       __DRI_ATTRIB_ALPHA_MASK, &alpha);
-      if (red == 0x3ff00000 && alpha == 0x00000000)
-         format = GBM_FORMAT_XRGB2101010;
-      else if (red == 0x3ff00000 && alpha == 0xc0000000)
-         format = GBM_FORMAT_ARGB2101010;
-      else if (red == 0x00ff0000 && alpha == 0x00000000)
-         format = GBM_FORMAT_XRGB8888;
-      else if (red == 0x00ff0000 && alpha == 0xff000000)
-         format = GBM_FORMAT_ARGB8888;
-      else if (red == 0xf800)
-         format = GBM_FORMAT_RGB565;
-      else
-         continue;
+   if (!dri2_setup_extensions(disp)) {
+      err = "DRI2: failed to find required DRI extensions";
+      goto cleanup;
+   }
 
-      attr_list[0] = EGL_NATIVE_VISUAL_ID;
-      attr_list[1] = format;
-      attr_list[2] = EGL_NONE;
+   dri2_setup_screen(disp);
 
-      dri2_add_config(disp, dri2_dpy->driver_configs[i],
-                      i + 1, EGL_WINDOW_BIT, attr_list, NULL);
+   if (!drm_add_configs_for_visuals(drv, disp)) {
+      err = "DRI2: failed to add configs";
+      goto cleanup;
    }
 
    disp->Extensions.KHR_image_pixmap = EGL_TRUE;
@@ -700,23 +750,9 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
       disp->Extensions.EXT_buffer_age = EGL_TRUE;
 
 #ifdef HAVE_WAYLAND_PLATFORM
-   if (dri2_dpy->image) {
-       if (dri2_dpy->image->base.version >= 10 &&
-           dri2_dpy->image->getCapabilities != NULL) {
-           int capabilities;
-
-           capabilities =
-               dri2_dpy->image->getCapabilities(dri2_dpy->dri_screen);
-           disp->Extensions.WL_bind_wayland_display =
-               (capabilities & __DRI_IMAGE_CAP_GLOBAL_NAMES) != 0;
-       } else
-           disp->Extensions.WL_bind_wayland_display = EGL_TRUE;
-   }
+   dri2_dpy->device_name = loader_get_device_name_for_fd(dri2_dpy->fd);
 #endif
-
-   /* we're supporting EGL 1.4 */
-   disp->VersionMajor = 1;
-   disp->VersionMinor = 4;
+   dri2_set_WL_bind_wayland_display(drv, disp);
 
    /* Fill vtbl last to prevent accidentally calling virtual function during
     * initialization.
@@ -724,4 +760,8 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
    dri2_dpy->vtbl = &dri2_drm_display_vtbl;
 
    return EGL_TRUE;
+
+cleanup:
+   dri2_display_destroy(disp);
+   return _eglError(EGL_NOT_INITIALIZED, err);
 }