From b8488580d9d7e034aa39426f6ef161035e56915d Mon Sep 17 00:00:00 2001
From: Luigi Santivetti <luigi.santivetti@imagination.corp-partner.google.com>
Date: Mon, 25 Jan 2021 11:05:49 +0000
Subject: [PATCH 50/50] egl/null: expose EXT_yuv_surface support

---
 src/egl/drivers/dri2/platform_null.c | 28 +++++++++++++++++++++++++---
 1 file changed, 25 insertions(+), 3 deletions(-)

diff --git a/src/egl/drivers/dri2/platform_null.c b/src/egl/drivers/dri2/platform_null.c
index 4969121bf37..9830b73d704 100644
--- a/src/egl/drivers/dri2/platform_null.c
+++ b/src/egl/drivers/dri2/platform_null.c
@@ -106,6 +106,12 @@ static const struct dri2_null_format {
       .rgba_shifts = { 11, 5, 0, -1 },
       .rgba_sizes = { 5, 6, 5, 0 },
    },
+   {
+      .drm_format = DRM_FORMAT_YUYV,
+      .dri_image_format = __DRI_IMAGE_FORMAT_YUYV,
+      .rgba_shifts = { -1, -1, -1, -1 },
+      .rgba_sizes = { 0, 0, 0, 0 },
+   },
 };
 
 
@@ -1595,6 +1601,17 @@ dri2_null_image_get_buffers(__DRIdrawable *driDrawable, unsigned int format,
    return 1;
 }
 
+static unsigned
+dri2_null_get_capability(void *loaderPrivate, enum dri_loader_cap cap)
+{
+   switch (cap) {
+   case DRI_LOADER_CAP_YUV_SURFACE_IMG:
+      return 1;
+   default:
+      return 0;
+   }
+}
+
 static void
 dri2_null_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
 {
@@ -1603,10 +1620,11 @@ dri2_null_flush_front_buffer(__DRIdrawable * driDrawable, void *loaderPrivate)
 }
 
 static const __DRIimageLoaderExtension image_loader_extension = {
-   .base = { __DRI_IMAGE_LOADER, 1 },
+   .base = { __DRI_IMAGE_LOADER, 2 },
 
    .getBuffers          = dri2_null_image_get_buffers,
    .flushFrontBuffer    = dri2_null_flush_front_buffer,
+   .getCapability       = dri2_null_get_capability,
 };
 
 static const __DRIextension *image_loader_extensions[] = {
@@ -1688,6 +1706,7 @@ dri2_null_add_configs_for_formats(_EGLDisplay *disp)
 
    for (unsigned i = 0; dri2_dpy->driver_configs[i]; i++) {
       struct dri2_egl_config *dri2_conf;
+      EGLint surface_type;
       int format_idx;
 
       format_idx = format_idx_get_from_config(dri2_dpy,
@@ -1698,10 +1717,13 @@ dri2_null_add_configs_for_formats(_EGLDisplay *disp)
       if (!(dri2_dpy->output.formats & (1 << format_idx)))
          continue;
 
+      surface_type = EGL_WINDOW_BIT;
+      if (dri2_null_formats[format_idx].drm_format != DRM_FORMAT_YUYV)
+         surface_type |= EGL_PBUFFER_BIT;
+
       dri2_conf = dri2_add_config(disp,
                                   dri2_dpy->driver_configs[i], count + 1,
-                                  EGL_WINDOW_BIT | EGL_PBUFFER_BIT,
-                                  NULL, NULL, NULL);
+                                  surface_type, NULL, NULL, NULL);
       if (dri2_conf)
          count++;
    }
-- 
2.17.1