gallium/swr: add OpenSWR driver

OpenSWR is a new software rasterizer for x86 processors designed
for high performance and high scalablility on visualization workloads.

Acked-by: Roland Scheidegger <[email protected]>
Acked-by: Jose Fonseca <[email protected]>

1 files changed, 97 insertions, 0 deletions

diff --git a/src/gallium/drivers/swr/swr_resource.h b/src/gallium/drivers/swr/swr_resource.h
new file mode 100644
index 00000000000..87a27acfbce
--- /dev/null
+++ b/src/gallium/drivers/swr/swr_resource.h
@@ -0,0 +1,97 @@
+/****************************************************************************
+ * Copyright (C) 2015 Intel Corporation.   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, sublicense,
+ * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ ***************************************************************************/
+
+#ifndef SWR_RESOURCE_H
+#define SWR_RESOURCE_H
+
+#include "pipe/p_state.h"
+#include "api.h"
+
+struct sw_displaytarget;
+
+struct swr_resource {
+   struct pipe_resource base;
+
+   bool has_depth;
+   bool has_stencil;
+
+   UINT alignedWidth;
+   UINT alignedHeight;
+
+   SWR_SURFACE_STATE swr;
+   SWR_SURFACE_STATE secondary; // for faking depth/stencil merged formats
+
+   struct sw_displaytarget *display_target;
+
+   unsigned row_stride[PIPE_MAX_TEXTURE_LEVELS];
+   unsigned img_stride[PIPE_MAX_TEXTURE_LEVELS];
+   unsigned mip_offsets[PIPE_MAX_TEXTURE_LEVELS];
+
+   /* Opaque pointer to swr_context to mark resource in use */
+   void *bound_to_context;
+};
+
+
+static INLINE struct swr_resource *
+swr_resource(struct pipe_resource *resource)
+{
+   return (struct swr_resource *)resource;
+}
+
+static INLINE boolean
+swr_resource_is_texture(const struct pipe_resource *resource)
+{
+   switch (resource->target) {
+   case PIPE_BUFFER:
+      return FALSE;
+   case PIPE_TEXTURE_1D:
+   case PIPE_TEXTURE_1D_ARRAY:
+   case PIPE_TEXTURE_2D:
+   case PIPE_TEXTURE_2D_ARRAY:
+   case PIPE_TEXTURE_RECT:
+   case PIPE_TEXTURE_3D:
+   case PIPE_TEXTURE_CUBE:
+   case PIPE_TEXTURE_CUBE_ARRAY:
+      return TRUE;
+   default:
+      assert(0);
+      return FALSE;
+   }
+}
+
+
+static INLINE void *
+swr_resource_data(struct pipe_resource *resource)
+{
+   struct swr_resource *swr_r = swr_resource(resource);
+
+   assert(!swr_resource_is_texture(resource));
+
+   return swr_r->swr.pBaseAddress;
+}
+
+
+void swr_store_render_target(struct swr_context *ctx,
+                             uint32_t attachment,
+                             enum SWR_TILE_STATE post_tile_state);
+#endif