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, 60 insertions, 0 deletions

diff --git a/src/gallium/drivers/swr/swr_shader.h b/src/gallium/drivers/swr/swr_shader.h
new file mode 100644
index 00000000000..e22a7c48c2a
--- /dev/null
+++ b/src/gallium/drivers/swr/swr_shader.h
@@ -0,0 +1,60 @@
+/****************************************************************************
+ * 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
+
+class swr_vertex_shader;
+class swr_fragment_shader;
+class swr_jit_key;
+
+PFN_VERTEX_FUNC
+swr_compile_vs(struct pipe_context *ctx, swr_vertex_shader *swr_vs);
+
+PFN_PIXEL_KERNEL
+swr_compile_fs(struct swr_context *ctx, swr_jit_key &key);
+
+void swr_generate_fs_key(struct swr_jit_key &key,
+                         struct swr_context *ctx,
+                         swr_fragment_shader *swr_fs);
+
+struct swr_jit_key {
+   unsigned nr_cbufs;
+   unsigned light_twoside;
+   ubyte vs_output_semantic_name[PIPE_MAX_SHADER_OUTPUTS];
+   ubyte vs_output_semantic_idx[PIPE_MAX_SHADER_OUTPUTS];
+   unsigned nr_samplers;
+   unsigned nr_sampler_views;
+   struct swr_sampler_static_state sampler[PIPE_MAX_SHADER_SAMPLER_VIEWS];
+};
+
+namespace std
+{
+template <> struct hash<swr_jit_key> {
+   std::size_t operator()(const swr_jit_key &k) const
+   {
+      return util_hash_crc32(&k, sizeof(k));
+   }
+};
+};
+
+bool operator==(const swr_jit_key &lhs, const swr_jit_key &rhs);