gallium/drivers: Create Galahad from identity.

Galahad is a sanity-checking layer meant to replace the crufty and
scattered sanity checks inside drivers with a robust, non-silenceable,
useful set of warnings and errors that can be used to keep misbehaving
state trackers from going unnoticed.

1 files changed, 186 insertions, 0 deletions

diff --git a/src/gallium/drivers/galahad/glhd_objects.c b/src/gallium/drivers/galahad/glhd_objects.c
new file mode 100644
index 0000000000..cea32d7ffe
--- /dev/null
+++ b/src/gallium/drivers/galahad/glhd_objects.c
@@ -0,0 +1,186 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include "util/u_inlines.h"
+#include "util/u_memory.h"
+
+#include "glhd_screen.h"
+#include "glhd_objects.h"
+#include "glhd_context.h"
+
+
+
+struct pipe_resource *
+galahad_resource_create(struct galahad_screen *glhd_screen,
+                        struct pipe_resource *resource)
+{
+   struct galahad_resource *glhd_resource;
+
+   if(!resource)
+      goto error;
+
+   assert(resource->screen == glhd_screen->screen);
+
+   glhd_resource = CALLOC_STRUCT(galahad_resource);
+   if(!glhd_resource)
+      goto error;
+
+   memcpy(&glhd_resource->base, resource, sizeof(struct pipe_resource));
+
+   pipe_reference_init(&glhd_resource->base.reference, 1);
+   glhd_resource->base.screen = &glhd_screen->base;
+   glhd_resource->resource = resource;
+
+   return &glhd_resource->base;
+
+error:
+   pipe_resource_reference(&resource, NULL);
+   return NULL;
+}
+
+void
+galahad_resource_destroy(struct galahad_resource *glhd_resource)
+{
+   pipe_resource_reference(&glhd_resource->resource, NULL);
+   FREE(glhd_resource);
+}
+
+
+struct pipe_surface *
+galahad_surface_create(struct galahad_resource *glhd_resource,
+                        struct pipe_surface *surface)
+{
+   struct galahad_surface *glhd_surface;
+
+   if(!surface)
+      goto error;
+
+   assert(surface->texture == glhd_resource->resource);
+
+   glhd_surface = CALLOC_STRUCT(galahad_surface);
+   if(!glhd_surface)
+      goto error;
+
+   memcpy(&glhd_surface->base, surface, sizeof(struct pipe_surface));
+
+   pipe_reference_init(&glhd_surface->base.reference, 1);
+   glhd_surface->base.texture = NULL;
+   pipe_resource_reference(&glhd_surface->base.texture, &glhd_resource->base);
+   glhd_surface->surface = surface;
+
+   return &glhd_surface->base;
+
+error:
+   pipe_surface_reference(&surface, NULL);
+   return NULL;
+}
+
+void
+galahad_surface_destroy(struct galahad_surface *glhd_surface)
+{
+   pipe_resource_reference(&glhd_surface->base.texture, NULL);
+   pipe_surface_reference(&glhd_surface->surface, NULL);
+   FREE(glhd_surface);
+}
+
+
+struct pipe_sampler_view *
+galahad_sampler_view_create(struct galahad_context *glhd_context,
+                             struct galahad_resource *glhd_resource,
+                             struct pipe_sampler_view *view)
+{
+   struct galahad_sampler_view *glhd_view;
+
+   if (!view)
+      goto error;
+
+   assert(view->texture == glhd_resource->resource);
+
+   glhd_view = MALLOC(sizeof(struct galahad_sampler_view));
+
+   glhd_view->base = *view;
+   glhd_view->base.reference.count = 1;
+   glhd_view->base.texture = NULL;
+   pipe_resource_reference(&glhd_view->base.texture, glhd_resource->resource);
+   glhd_view->base.context = glhd_context->pipe;
+
+   return &glhd_view->base;
+error:
+   return NULL;
+}
+
+void
+galahad_sampler_view_destroy(struct galahad_context *glhd_context,
+                              struct galahad_sampler_view *glhd_view)
+{
+   pipe_resource_reference(&glhd_view->base.texture, NULL);
+   glhd_context->pipe->sampler_view_destroy(glhd_context->pipe,
+                                          glhd_view->sampler_view);
+   FREE(glhd_view);
+}
+
+
+struct pipe_transfer *
+galahad_transfer_create(struct galahad_context *glhd_context,
+                         struct galahad_resource *glhd_resource,
+                         struct pipe_transfer *transfer)
+{
+   struct galahad_transfer *glhd_transfer;
+
+   if(!transfer)
+      goto error;
+
+   assert(transfer->resource == glhd_resource->resource);
+
+   glhd_transfer = CALLOC_STRUCT(galahad_transfer);
+   if(!glhd_transfer)
+      goto error;
+
+   memcpy(&glhd_transfer->base, transfer, sizeof(struct pipe_transfer));
+
+   glhd_transfer->base.resource = NULL;
+   glhd_transfer->transfer = transfer;
+
+   pipe_resource_reference(&glhd_transfer->base.resource, &glhd_resource->base);
+   assert(glhd_transfer->base.resource == &glhd_resource->base);
+
+   return &glhd_transfer->base;
+
+error:
+   glhd_context->pipe->transfer_destroy(glhd_context->pipe, transfer);
+   return NULL;
+}
+
+void
+galahad_transfer_destroy(struct galahad_context *glhd_context,
+                          struct galahad_transfer *glhd_transfer)
+{
+   pipe_resource_reference(&glhd_transfer->base.resource, NULL);
+   glhd_transfer->pipe->transfer_destroy(glhd_context->pipe,
+                                       glhd_transfer->transfer);
+   FREE(glhd_transfer);
+}