Added few more stubs so that control reaches to DestroyDevice().
[mesa.git] / src / egl / drivers / dri2 / platform_drm.c
index 9005f5dd9ec3de0652b839d97508f9fa841d7232..a0760dfebbb0b81f4d11e4d0791bbc78ec295042 100644 (file)
 #include <fcntl.h>
 #include <unistd.h>
 
+#include "util/os_file.h"
+
 #include "egl_dri2.h"
-#include "egl_dri2_fallbacks.h"
 #include "loader.h"
 
 static struct gbm_bo *
 lock_front_buffer(struct gbm_surface *_surf)
 {
-   struct gbm_dri_surface *surf = (struct gbm_dri_surface *) _surf;
+   struct gbm_dri_surface *surf = gbm_dri_surface(_surf);
    struct dri2_egl_surface *dri2_surf = surf->dri_private;
-   struct gbm_dri_device *device = (struct gbm_dri_device *) _surf->gbm;
+   struct gbm_dri_device *device = gbm_dri_device(_surf->gbm);
    struct gbm_bo *bo;
 
    if (dri2_surf->current == NULL) {
@@ -66,7 +67,7 @@ lock_front_buffer(struct gbm_surface *_surf)
 static void
 release_buffer(struct gbm_surface *_surf, struct gbm_bo *bo)
 {
-   struct gbm_dri_surface *surf = (struct gbm_dri_surface *) _surf;
+   struct gbm_dri_surface *surf = gbm_dri_surface(_surf);
    struct dri2_egl_surface *dri2_surf = surf->dri_private;
 
    for (unsigned i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++) {
@@ -80,7 +81,7 @@ release_buffer(struct gbm_surface *_surf, struct gbm_bo *bo)
 static int
 has_free_buffers(struct gbm_surface *_surf)
 {
-   struct gbm_dri_surface *surf = (struct gbm_dri_surface *) _surf;
+   struct gbm_dri_surface *surf = gbm_dri_surface(_surf);
    struct dri2_egl_surface *dri2_surf = surf->dri_private;
 
    for (unsigned i = 0; i < ARRAY_SIZE(dri2_surf->color_buffers); i++)
@@ -90,10 +91,55 @@ has_free_buffers(struct gbm_surface *_surf)
    return 0;
 }
 
+static bool
+dri2_drm_config_is_compatible(struct dri2_egl_display *dri2_dpy,
+                              const __DRIconfig *config,
+                              struct gbm_surface *surface)
+{
+   const struct gbm_dri_visual *visual = NULL;
+   int shifts[4];
+   unsigned int sizes[4];
+   bool is_float;
+   int i;
+
+   /* Check that the EGLConfig being used to render to the surface is
+    * compatible with the surface format. Since mixing ARGB and XRGB of
+    * otherwise-compatible formats is relatively common, explicitly allow
+    * this.
+    */
+   dri2_get_shifts_and_sizes(dri2_dpy->core, config, shifts, sizes);
+
+   dri2_get_render_type_float(dri2_dpy->core, config, &is_float);
+
+   for (i = 0; i < dri2_dpy->gbm_dri->num_visuals; i++) {
+      visual = &dri2_dpy->gbm_dri->visual_table[i];
+      if (visual->gbm_format == surface->format)
+         break;
+   }
+
+   if (i == dri2_dpy->gbm_dri->num_visuals)
+      return false;
+
+   if (shifts[0] != visual->rgba_shifts.red ||
+       shifts[1] != visual->rgba_shifts.green ||
+       shifts[2] != visual->rgba_shifts.blue ||
+       (shifts[3] > -1 && visual->rgba_shifts.alpha > -1 &&
+        shifts[3] != visual->rgba_shifts.alpha) ||
+       sizes[0] != visual->rgba_sizes.red ||
+       sizes[1] != visual->rgba_sizes.green ||
+       sizes[2] != visual->rgba_sizes.blue ||
+       (sizes[3] > 0 && visual->rgba_sizes.alpha > 0 &&
+        sizes[3] != visual->rgba_sizes.alpha) ||
+       is_float != visual->is_float) {
+      return false;
+   }
+
+   return true;
+}
+
 static _EGLSurface *
-dri2_drm_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
-                               _EGLConfig *conf, void *native_surface,
-                               const EGLint *attrib_list)
+dri2_drm_create_window_surface(_EGLDisplay *disp, _EGLConfig *conf,
+                               void *native_surface, const EGLint *attrib_list)
 {
    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
    struct dri2_egl_config *dri2_conf = dri2_egl_config(conf);
@@ -102,43 +148,37 @@ dri2_drm_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
    struct gbm_dri_surface *surf;
    const __DRIconfig *config;
 
-   (void) drv;
-
    dri2_surf = calloc(1, sizeof *dri2_surf);
    if (!dri2_surf) {
       _eglError(EGL_BAD_ALLOC, "dri2_create_surface");
       return NULL;
    }
 
-   if (!dri2_init_surface(&dri2_surf->base, disp, EGL_WINDOW_BIT, conf, attrib_list, false))
+   if (!dri2_init_surface(&dri2_surf->base, disp, EGL_WINDOW_BIT, conf,
+                          attrib_list, false, native_surface))
       goto cleanup_surf;
 
-   surf = gbm_dri_surface(surface);
-   dri2_surf->gbm_surf = surf;
-   dri2_surf->base.Width =  surf->base.width;
-   dri2_surf->base.Height = surf->base.height;
-   surf->dri_private = dri2_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, config,
-                                           dri2_surf->gbm_surf);
+   if (!config) {
+      _eglError(EGL_BAD_MATCH, "Unsupported surfacetype/colorspace configuration");
+      goto cleanup_surf;
+   }
 
-   } else {
-      assert(dri2_dpy->swrast != NULL);
+   if (!dri2_drm_config_is_compatible(dri2_dpy, config, surface)) {
+      _eglError(EGL_BAD_MATCH, "EGL config not compatible with GBM format");
+      goto cleanup_surf;
+   }
 
-      dri2_surf->dri_drawable =
-         dri2_dpy->swrast->createNewDrawable(dri2_dpy->dri_screen, config,
-                                             dri2_surf->gbm_surf);
+   surf = gbm_dri_surface(surface);
+   dri2_surf->gbm_surf = surf;
+   dri2_surf->base.Width =  surf->base.width;
+   dri2_surf->base.Height = surf->base.height;
+   surf->dri_private = dri2_surf;
 
-   }
-   if (dri2_surf->dri_drawable == NULL) {
-      _eglError(EGL_BAD_ALLOC, "createNewDrawable()");
+   if (!dri2_create_drawable(dri2_dpy, config, dri2_surf, dri2_surf->gbm_surf))
       goto cleanup_surf;
-   }
 
    return &dri2_surf->base;
 
@@ -149,9 +189,8 @@ dri2_drm_create_window_surface(_EGLDriver *drv, _EGLDisplay *disp,
 }
 
 static _EGLSurface *
-dri2_drm_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
-                               _EGLConfig *conf, void *native_window,
-                               const EGLint *attrib_list)
+dri2_drm_create_pixmap_surface(_EGLDisplay *disp, _EGLConfig *conf,
+                               void *native_window, const EGLint *attrib_list)
 {
    /* From the EGL_MESA_platform_gbm spec, version 5:
     *
@@ -164,7 +203,7 @@ dri2_drm_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *disp,
 }
 
 static EGLBoolean
-dri2_drm_destroy_surface(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf)
+dri2_drm_destroy_surface(_EGLDisplay *disp, _EGLSurface *surf)
 {
    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
    struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surf);
@@ -256,7 +295,7 @@ back_bo_to_dri_buffer(struct dri2_egl_surface *dri2_surf, __DRIbuffer *buffer)
    struct gbm_dri_bo *bo;
    int name, pitch;
 
-   bo = (struct gbm_dri_bo *) dri2_surf->back->bo;
+   bo = gbm_dri_bo(dri2_surf->back->bo);
 
    dri2_dpy->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_NAME, &name);
    dri2_dpy->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_STRIDE, &pitch);
@@ -360,7 +399,7 @@ dri2_drm_image_get_buffers(__DRIdrawable *driDrawable,
    if (get_back_bo(dri2_surf) < 0)
       return 0;
 
-   bo = (struct gbm_dri_bo *) dri2_surf->back->bo;
+   bo = gbm_dri_bo(dri2_surf->back->bo);
    buffers->image_mask = __DRI_IMAGE_BUFFER_BACK;
    buffers->back = bo->image;
 
@@ -375,7 +414,7 @@ dri2_drm_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
 }
 
 static EGLBoolean
-dri2_drm_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
+dri2_drm_swap_buffers(_EGLDisplay *disp, _EGLSurface *draw)
 {
    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
    struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
@@ -385,22 +424,20 @@ dri2_drm_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
       return EGL_TRUE;
    }
 
-   if (dri2_surf->base.Type == EGL_WINDOW_BIT) {
-      if (dri2_surf->current)
-         _eglError(EGL_BAD_SURFACE, "dri2_swap_buffers");
-      for (unsigned 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)
-         return _eglError(EGL_BAD_ALLOC, "dri2_swap_buffers");
-
-      dri2_surf->current = dri2_surf->back;
-      dri2_surf->current->age = 1;
-      dri2_surf->back = NULL;
-   }
+   if (dri2_surf->current)
+      _eglError(EGL_BAD_SURFACE, "dri2_swap_buffers");
+   for (unsigned 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)
+      return _eglError(EGL_BAD_ALLOC, "dri2_swap_buffers");
+
+   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);
@@ -409,8 +446,7 @@ dri2_drm_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
 }
 
 static EGLint
-dri2_drm_query_buffer_age(_EGLDriver *drv,
-                          _EGLDisplay *disp, _EGLSurface *surface)
+dri2_drm_query_buffer_age(_EGLDisplay *disp, _EGLSurface *surface)
 {
    struct dri2_egl_surface *dri2_surf = dri2_egl_surface(surface);
 
@@ -449,17 +485,14 @@ dri2_drm_create_image_khr_pixmap(_EGLDisplay *disp, _EGLContext *ctx,
 }
 
 static _EGLImage *
-dri2_drm_create_image_khr(_EGLDriver *drv, _EGLDisplay *disp,
-                          _EGLContext *ctx, EGLenum target,
+dri2_drm_create_image_khr(_EGLDisplay *disp, _EGLContext *ctx, EGLenum target,
                           EGLClientBuffer buffer, const EGLint *attr_list)
 {
-   (void) drv;
-
    switch (target) {
    case EGL_NATIVE_PIXMAP_KHR:
       return dri2_drm_create_image_khr_pixmap(disp, ctx, buffer, attr_list);
    default:
-      return dri2_create_image_khr(drv, disp, ctx, target, buffer, attr_list);
+      return dri2_create_image_khr(disp, ctx, target, buffer, attr_list);
    }
 }
 
@@ -569,45 +602,47 @@ swrast_get_image(__DRIdrawable *driDrawable,
 }
 
 static EGLBoolean
-drm_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *disp)
+drm_add_configs_for_visuals(_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 },
-   };
-
-   unsigned int format_count[ARRAY_SIZE(visuals)] = { 0 };
+   const struct gbm_dri_visual *visuals = dri2_dpy->gbm_dri->visual_table;
+   int num_visuals = dri2_dpy->gbm_dri->num_visuals;
+   unsigned int format_count[num_visuals];
    unsigned int config_count = 0;
 
+   memset(format_count, 0, num_visuals * sizeof(unsigned int));
+
    for (unsigned i = 0; dri2_dpy->driver_configs[i]; i++) {
-      unsigned int red, alpha;
+      const __DRIconfig *config = dri2_dpy->driver_configs[i];
+      int shifts[4];
+      unsigned int sizes[4];
+      bool is_float;
 
-      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);
+      dri2_get_shifts_and_sizes(dri2_dpy->core, config, shifts, sizes);
 
-      for (unsigned j = 0; j < ARRAY_SIZE(visuals); j++) {
+      dri2_get_render_type_float(dri2_dpy->core, config, &is_float);
+
+      for (unsigned j = 0; j < num_visuals; j++) {
          struct dri2_egl_config *dri2_conf;
 
-         if (visuals[j].red_mask != red || visuals[j].alpha_mask != alpha)
+         if (visuals[j].rgba_shifts.red != shifts[0] ||
+             visuals[j].rgba_shifts.green != shifts[1] ||
+             visuals[j].rgba_shifts.blue != shifts[2] ||
+             visuals[j].rgba_shifts.alpha != shifts[3] ||
+             visuals[j].rgba_sizes.red != sizes[0] ||
+             visuals[j].rgba_sizes.green != sizes[1] ||
+             visuals[j].rgba_sizes.blue != sizes[2] ||
+             visuals[j].rgba_sizes.alpha != sizes[3] ||
+             visuals[j].is_float != is_float)
             continue;
 
          const EGLint attr_list[] = {
-            EGL_NATIVE_VISUAL_ID,  visuals[j].format,
+            EGL_NATIVE_VISUAL_ID, visuals[j].gbm_format,
             EGL_NONE,
          };
 
          dri2_conf = dri2_add_config(disp, dri2_dpy->driver_configs[i],
-               config_count + 1, EGL_WINDOW_BIT, attr_list, NULL);
+               config_count + 1, EGL_WINDOW_BIT, attr_list, NULL, NULL);
          if (dri2_conf) {
             if (dri2_conf->base.ConfigID == config_count + 1)
                config_count++;
@@ -618,8 +653,9 @@ drm_add_configs_for_visuals(_EGLDriver *drv, _EGLDisplay *disp)
 
    for (unsigned 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);
+         struct gbm_format_name_desc desc;
+         _eglLog(_EGL_DEBUG, "No DRI config supports native format %s",
+                 gbm_format_get_name(visuals[i].gbm_format, &desc));
       }
    }
 
@@ -630,30 +666,21 @@ 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,
-   .create_pbuffer_surface = dri2_fallback_create_pbuffer_surface,
    .destroy_surface = dri2_drm_destroy_surface,
    .create_image = dri2_drm_create_image_khr,
    .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
-dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
+dri2_initialize_drm(_EGLDisplay *disp)
 {
+   _EGLDevice *dev;
    struct dri2_egl_display *dri2_dpy;
    struct gbm_device *gbm;
    const char *err;
 
-   loader_set_logger(_eglLog);
-
    dri2_dpy = calloc(1, sizeof *dri2_dpy);
    if (!dri2_dpy)
       return _eglError(EGL_BAD_ALLOC, "eglInitialize");
@@ -674,20 +701,43 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
       }
       dri2_dpy->own_device = true;
    } else {
-      dri2_dpy->fd = fcntl(gbm_device_get_fd(gbm), F_DUPFD_CLOEXEC, 3);
+      dri2_dpy->fd = os_dupfd_cloexec(gbm_device_get_fd(gbm));
       if (dri2_dpy->fd < 0) {
          err = "DRI2: failed to fcntl() existing gbm device";
          goto cleanup;
       }
    }
+   dri2_dpy->gbm_dri = gbm_dri_device(gbm);
 
    if (strcmp(gbm_device_get_backend_name(gbm), "drm") != 0) {
       err = "DRI2: gbm device using incorrect/incompatible backend";
       goto cleanup;
    }
 
-   dri2_dpy->gbm_dri = gbm_dri_device(gbm);
+   dev = _eglAddDevice(dri2_dpy->fd, disp->Options.ForceSoftware);
+   if (!dev) {
+      err = "DRI2: failed to find EGLDevice";
+      goto cleanup;
+   }
+
+   disp->Device = dev;
+
    dri2_dpy->driver_name = strdup(dri2_dpy->gbm_dri->driver_name);
+   dri2_dpy->is_render_node = drmGetNodeTypeFromFd(dri2_dpy->fd) == DRM_NODE_RENDER;
+
+   /* render nodes cannot use Gem names, and thus do not support
+    * the __DRI_DRI2_LOADER extension */
+   if (!dri2_dpy->is_render_node) {
+      if (!dri2_load_driver(disp)) {
+         err = "DRI2: failed to load driver";
+         goto cleanup;
+      }
+   } else {
+      if (!dri2_load_driver_dri3(disp)) {
+         err = "DRI3: failed to load driver";
+         goto cleanup;
+      }
+   }
 
    dri2_dpy->dri_screen = dri2_dpy->gbm_dri->screen;
    dri2_dpy->core = dri2_dpy->gbm_dri->core;
@@ -716,7 +766,7 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
 
    dri2_setup_screen(disp);
 
-   if (!drm_add_configs_for_visuals(drv, disp)) {
+   if (!drm_add_configs_for_visuals(disp)) {
       err = "DRI2: failed to add configs";
       goto cleanup;
    }
@@ -728,7 +778,7 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
 #ifdef HAVE_WAYLAND_PLATFORM
    dri2_dpy->device_name = loader_get_device_name_for_fd(dri2_dpy->fd);
 #endif
-   dri2_set_WL_bind_wayland_display(drv, disp);
+   dri2_set_WL_bind_wayland_display(disp);
 
    /* Fill vtbl last to prevent accidentally calling virtual function during
     * initialization.
@@ -741,3 +791,10 @@ cleanup:
    dri2_display_destroy(disp);
    return _eglError(EGL_NOT_INITIALIZED, err);
 }
+
+void
+dri2_teardown_drm(struct dri2_egl_display *dri2_dpy)
+{
+   if (dri2_dpy->own_device)
+      gbm_device_destroy(&dri2_dpy->gbm_dri->base);
+}