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author | Andrew Knight <andrew.knight@digia.com> | 2013-04-03 19:57:09 +0300 |
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committer | The Qt Project <gerrit-noreply@qt-project.org> | 2013-04-08 11:35:44 +0200 |
commit | 710ad8ce1bd5d01ce048851d210ac3831ca17dde (patch) | |
tree | bb3f645e57a7887341113275c9caa2583f7e2dfa /src/3rdparty/angle/src/libGLESv2/renderer/ShaderCache.h | |
parent | 8307ab784eb4d8d22441ee61f02cb381684ca3a2 (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.h | 110 |
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_ |