egl: drop EGL driver `name`

[mesa.git] / src / egl / drivers / dri2 / egl_dri2.c

diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index 7fc7cb49703ecd641d051b58d65c9f9cfe3e3b06..87e1a704c6e9d8b778f3e0458aa38477da00c3fd 100644 (file)
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -341,7 +341,7 @@ dri2_add_config(_EGLDisplay *disp, const __DRIconfig *dri_config, int id,
       _eglLinkConfig(&conf->base);
    }
    else {
-      assert(0);
+      unreachable("duplicates should not be possible");
       return NULL;
    }
 
@@ -1108,7 +1108,7 @@ dri2_create_context_attribs_error(int dri_error)
       break;
 
    default:
-      assert(0);
+      assert(!"unknown dri_error code");
       egl_error = EGL_BAD_MATCH;
       break;
    }
@@ -1815,7 +1815,7 @@ dri2_release_tex_image(_EGLDriver *drv,
       target = GL_TEXTURE_2D;
       break;
    default:
-      assert(0);
+      assert(!"missing texture target");
    }
 
    if (dri2_dpy->tex_buffer->base.version >= 3 &&
@@ -1878,7 +1878,7 @@ egl_error_from_dri_image_error(int dri_error)
    case __DRI_IMAGE_ERROR_BAD_ACCESS:
       return EGL_BAD_ACCESS;
    default:
-      assert(0);
+      assert(!"unknown dri_error code");
       return EGL_BAD_ALLOC;
    }
 }
@@ -2224,13 +2224,13 @@ dri2_check_dma_buf_attribs(const _EGLImageAttribs *attrs)
    return EGL_TRUE;
 }
 
-/* Returns the total number of file descriptors. Zero indicates an error. */
+/* Returns the total number of planes for the format or zero if it isn't a
+ * valid fourcc format.
+ */
 static unsigned
-dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
+dri2_num_fourcc_format_planes(EGLint format)
 {
-   unsigned plane_n;
-
-   switch (attrs->DMABufFourCC.Value) {
+   switch (format) {
    case DRM_FORMAT_R8:
    case DRM_FORMAT_RG88:
    case DRM_FORMAT_GR88:
@@ -2278,14 +2278,14 @@ dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
    case DRM_FORMAT_YVYU:
    case DRM_FORMAT_UYVY:
    case DRM_FORMAT_VYUY:
-      plane_n = 1;
-      break;
+      return 1;
+
    case DRM_FORMAT_NV12:
    case DRM_FORMAT_NV21:
    case DRM_FORMAT_NV16:
    case DRM_FORMAT_NV61:
-      plane_n = 2;
-      break;
+      return 2;
+
    case DRM_FORMAT_YUV410:
    case DRM_FORMAT_YVU410:
    case DRM_FORMAT_YUV411:
@@ -2296,9 +2296,19 @@ dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
    case DRM_FORMAT_YVU422:
    case DRM_FORMAT_YUV444:
    case DRM_FORMAT_YVU444:
-      plane_n = 3;
-      break;
+      return 3;
+
    default:
+      return 0;
+   }
+}
+
+/* Returns the total number of file descriptors. Zero indicates an error. */
+static unsigned
+dri2_check_dma_buf_format(const _EGLImageAttribs *attrs)
+{
+   unsigned plane_n = dri2_num_fourcc_format_planes(attrs->DMABufFourCC.Value);
+   if (plane_n == 0) {
       _eglError(EGL_BAD_ATTRIBUTE, "invalid format");
       return 0;
    }
@@ -2372,6 +2382,18 @@ dri2_query_dma_buf_formats(_EGLDriver *drv, _EGLDisplay *disp,
                                             formats, count))
       return EGL_FALSE;
 
+   if (max > 0) {
+      /* Assert that all of the formats returned are actually fourcc formats.
+       * Some day, if we want the internal interface function to be able to
+       * return the fake fourcc formats defined in dri_interface.h, we'll have
+       * to do something more clever here to pair the list down to just real
+       * fourcc formats so that we don't leak the fake internal ones.
+       */
+      for (int i = 0; i < *count; i++) {
+         assert(dri2_num_fourcc_format_planes(formats[i]) > 0);
+      }
+   }
+
    return EGL_TRUE;
 }
 
@@ -2382,6 +2404,9 @@ dri2_query_dma_buf_modifiers(_EGLDriver *drv, _EGLDisplay *disp, EGLint format,
 {
    struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
 
+   if (dri2_num_fourcc_format_planes(format) == 0)
+      return _eglError(EGL_BAD_PARAMETER, "invalid fourcc format");
+
    if (max < 0)
       return _eglError(EGL_BAD_PARAMETER, "invalid value for max count of formats");
 
@@ -3230,16 +3255,11 @@ dri2_interop_export_object(_EGLDisplay *dpy, _EGLContext *ctx,
 
 /**
  * This is the main entrypoint into the driver, called by libEGL.
- * Create a new _EGLDriver object and init its dispatch table.
+ * Gets an _EGLDriver object and init its dispatch table.
  */
-_EGLDriver *
-_eglBuiltInDriver(void)
+void
+_eglInitDriver(_EGLDriver *dri2_drv)
 {
-   _EGLDriver *dri2_drv = calloc(1, sizeof *dri2_drv);
-   if (!dri2_drv)
-      return NULL;
-
-   _eglInitDriverFallbacks(dri2_drv);
    dri2_drv->API.Initialize = dri2_initialize;
    dri2_drv->API.Terminate = dri2_terminate;
    dri2_drv->API.CreateContext = dri2_create_context;
@@ -3289,8 +3309,4 @@ _eglBuiltInDriver(void)
    dri2_drv->API.GLInteropExportObject = dri2_interop_export_object;
    dri2_drv->API.DupNativeFenceFDANDROID = dri2_dup_native_fence_fd;
    dri2_drv->API.SetBlobCacheFuncsANDROID = dri2_set_blob_cache_funcs;
-
-   dri2_drv->Name = "DRI2";
-
-   return dri2_drv;
 }