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 <sroland@vmware.com>
Acked-by: Jose Fonseca <jfonseca@vmware.com>

1 files changed, 99 insertions, 0 deletions

diff --git a/src/gallium/drivers/swr/swr_memory.h b/src/gallium/drivers/swr/swr_memory.h
new file mode 100644
index 0000000..d116781
--- /dev/null
+++ b/src/gallium/drivers/swr/swr_memory.h
@@ -0,0 +1,99 @@
+/****************************************************************************
+ * 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.
+ ***************************************************************************/
+
+#pragma once
+
+void LoadHotTile(
+    SWR_SURFACE_STATE *pSrcSurface,
+    SWR_FORMAT dstFormat,
+    SWR_RENDERTARGET_ATTACHMENT renderTargetIndex,
+    UINT x, UINT y, uint32_t renderTargetArrayIndex,
+    BYTE *pDstHotTile);
+
+void StoreHotTile(
+    SWR_SURFACE_STATE *pDstSurface,
+    SWR_FORMAT srcFormat,
+    SWR_RENDERTARGET_ATTACHMENT renderTargetIndex,
+    UINT x, UINT y, uint32_t renderTargetArrayIndex,
+    BYTE *pSrcHotTile);
+
+void StoreHotTileClear(
+    SWR_SURFACE_STATE *pDstSurface,
+    SWR_RENDERTARGET_ATTACHMENT renderTargetIndex,
+    UINT x,
+    UINT y,
+    const float* pClearColor);
+
+INLINE void
+swr_LoadHotTile(HANDLE hPrivateContext,
+                SWR_FORMAT dstFormat,
+                SWR_RENDERTARGET_ATTACHMENT renderTargetIndex,
+                UINT x, UINT y,
+                uint32_t renderTargetArrayIndex, BYTE* pDstHotTile)
+{
+   // Grab source surface state from private context
+   swr_draw_context *pDC = (swr_draw_context*)hPrivateContext;
+   SWR_SURFACE_STATE *pSrcSurface = &pDC->renderTargets[renderTargetIndex];
+
+   LoadHotTile(pSrcSurface, dstFormat, renderTargetIndex, x, y, renderTargetArrayIndex, pDstHotTile);
+}
+
+INLINE void
+swr_StoreHotTile(HANDLE hPrivateContext,
+                 SWR_FORMAT srcFormat,
+                 SWR_RENDERTARGET_ATTACHMENT renderTargetIndex,
+                 UINT x, UINT y,
+                 uint32_t renderTargetArrayIndex, BYTE* pSrcHotTile)
+{
+   // Grab destination surface state from private context
+   swr_draw_context *pDC = (swr_draw_context*)hPrivateContext;
+   SWR_SURFACE_STATE *pDstSurface = &pDC->renderTargets[renderTargetIndex];
+
+   StoreHotTile(pDstSurface, srcFormat, renderTargetIndex, x, y, renderTargetArrayIndex, pSrcHotTile);
+}
+
+INLINE void
+swr_StoreHotTileClear(HANDLE hPrivateContext,
+                      SWR_RENDERTARGET_ATTACHMENT renderTargetIndex,
+                      UINT x,
+                      UINT y,
+                      const float* pClearColor)
+{
+   // Grab destination surface state from private context
+   swr_draw_context *pDC = (swr_draw_context*)hPrivateContext;
+   SWR_SURFACE_STATE *pDstSurface = &pDC->renderTargets[renderTargetIndex];
+
+   StoreHotTileClear(pDstSurface, renderTargetIndex, x, y, pClearColor);
+}
+
+void InitSimLoadTilesTable();
+void InitSimStoreTilesTable();
+void InitSimClearTilesTable();
+
+/* Init Load/Store/ClearTiles Tables */
+INLINE void swr_InitMemoryModule()
+{
+   InitSimLoadTilesTable();
+   InitSimStoreTilesTable();
+   InitSimClearTilesTable();
+}