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authorAndrew Knight <andrew.knight@digia.com>2013-04-03 19:57:09 +0300
committerThe Qt Project <gerrit-noreply@qt-project.org>2013-04-08 11:35:44 +0200
commit710ad8ce1bd5d01ce048851d210ac3831ca17dde (patch)
treebb3f645e57a7887341113275c9caa2583f7e2dfa /src/3rdparty/angle/src/libGLESv2/renderer/ShaderCache.h
parent8307ab784eb4d8d22441ee61f02cb381684ca3a2 (diff)
Upgrade ANGLE to DX11 Proto
Upgrades ANGLE to dx11proto (dx11-MRT-support tag), which splits out support for DirectX9 & DirectX11. The DX9 codepath is used by default; CONFIG+=angle_d3d11 must be passed to the ANGLE project to build for DX11. Existing patches to ANGLE have been updated (or removed if no longer needed), and a patch has been added to make DX9/DX11 codepaths mutually exclusive. Change-Id: Ibe13befadb94f04883eca449d0ee1f0da955ff92 Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com> Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com> Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com> Reviewed-by: Axel Waggershauser <awagger@gmail.com>
Diffstat (limited to 'src/3rdparty/angle/src/libGLESv2/renderer/ShaderCache.h')
-rw-r--r--src/3rdparty/angle/src/libGLESv2/renderer/ShaderCache.h110
1 files changed, 110 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libGLESv2/renderer/ShaderCache.h b/src/3rdparty/angle/src/libGLESv2/renderer/ShaderCache.h
new file mode 100644
index 0000000000..4391ac271a
--- /dev/null
+++ b/src/3rdparty/angle/src/libGLESv2/renderer/ShaderCache.h
@@ -0,0 +1,110 @@
+//
+// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// ShaderCache: Defines rx::ShaderCache, a cache of Direct3D shader objects
+// keyed by their byte code.
+
+#ifndef LIBGLESV2_RENDERER_SHADER_CACHE_H_
+#define LIBGLESV2_RENDERER_SHADER_CACHE_H_
+
+#include "common/debug.h"
+
+namespace rx
+{
+template <typename ShaderObject>
+class ShaderCache
+{
+ public:
+ ShaderCache() : mDevice(NULL)
+ {
+ }
+
+ ~ShaderCache()
+ {
+ // Call clear while the device is still valid.
+ ASSERT(mMap.empty());
+ }
+
+ void initialize(IDirect3DDevice9* device)
+ {
+ mDevice = device;
+ }
+
+ ShaderObject *create(const DWORD *function, size_t length)
+ {
+ std::string key(reinterpret_cast<const char*>(function), length);
+ typename Map::iterator it = mMap.find(key);
+ if (it != mMap.end())
+ {
+ it->second->AddRef();
+ return it->second;
+ }
+
+ ShaderObject *shader;
+ HRESULT result = createShader(function, &shader);
+ if (FAILED(result))
+ {
+ return NULL;
+ }
+
+ // Random eviction policy.
+ if (mMap.size() >= kMaxMapSize)
+ {
+ mMap.begin()->second->Release();
+ mMap.erase(mMap.begin());
+ }
+
+ shader->AddRef();
+ mMap[key] = shader;
+
+ return shader;
+ }
+
+ void clear()
+ {
+ for (typename Map::iterator it = mMap.begin(); it != mMap.end(); ++it)
+ {
+ it->second->Release();
+ }
+
+ mMap.clear();
+ }
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(ShaderCache);
+
+ const static size_t kMaxMapSize = 100;
+
+ HRESULT createShader(const DWORD *function, IDirect3DVertexShader9 **shader)
+ {
+ return mDevice->CreateVertexShader(function, shader);
+ }
+
+ HRESULT createShader(const DWORD *function, IDirect3DPixelShader9 **shader)
+ {
+ return mDevice->CreatePixelShader(function, shader);
+ }
+
+#ifndef HASH_MAP
+# ifdef _MSC_VER
+# define HASH_MAP stdext::hash_map
+# else
+# define HASH_MAP std::unordered_map
+# endif
+#endif
+
+ typedef HASH_MAP<std::string, ShaderObject*> Map;
+ Map mMap;
+
+ IDirect3DDevice9 *mDevice;
+};
+
+typedef ShaderCache<IDirect3DVertexShader9> VertexShaderCache;
+typedef ShaderCache<IDirect3DPixelShader9> PixelShaderCache;
+
+}
+
+#endif // LIBGLESV2_RENDERER_SHADER_CACHE_H_