1 files changed, 456 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/ResourceManager.cpp b/src/3rdparty/angle/src/libANGLE/ResourceManager.cpp
new file mode 100644
index 0000000000..aaf144cfa9
--- /dev/null
+++ b/src/3rdparty/angle/src/libANGLE/ResourceManager.cpp
@@ -0,0 +1,456 @@
+//
+// Copyright (c) 2002-2013 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.
+//
+
+// ResourceManager.cpp: Implements the gl::ResourceManager class, which tracks and 
+// retrieves objects which may be shared by multiple Contexts.
+
+#include "libANGLE/ResourceManager.h"
+
+#include "libANGLE/Buffer.h"
+#include "libANGLE/Program.h"
+#include "libANGLE/Renderbuffer.h"
+#include "libANGLE/Shader.h"
+#include "libANGLE/Texture.h"
+#include "libANGLE/Sampler.h"
+#include "libANGLE/Fence.h"
+#include "libANGLE/renderer/Renderer.h"
+
+namespace gl
+{
+ResourceManager::ResourceManager(rx::ImplFactory *factory)
+    : mFactory(factory),
+      mRefCount(1)
+{
+}
+
+ResourceManager::~ResourceManager()
+{
+    while (!mBufferMap.empty())
+    {
+        deleteBuffer(mBufferMap.begin()->first);
+    }
+
+    while (!mProgramMap.empty())
+    {
+        deleteProgram(mProgramMap.begin()->first);
+    }
+
+    while (!mShaderMap.empty())
+    {
+        deleteShader(mShaderMap.begin()->first);
+    }
+
+    while (!mRenderbufferMap.empty())
+    {
+        deleteRenderbuffer(mRenderbufferMap.begin()->first);
+    }
+
+    while (!mTextureMap.empty())
+    {
+        deleteTexture(mTextureMap.begin()->first);
+    }
+
+    while (!mSamplerMap.empty())
+    {
+        deleteSampler(mSamplerMap.begin()->first);
+    }
+
+    while (!mFenceSyncMap.empty())
+    {
+        deleteFenceSync(mFenceSyncMap.begin()->first);
+    }
+}
+
+void ResourceManager::addRef()
+{
+    mRefCount++;
+}
+
+void ResourceManager::release()
+{
+    if (--mRefCount == 0)
+    {
+        delete this;
+    }
+}
+
+// Returns an unused buffer name
+GLuint ResourceManager::createBuffer()
+{
+    GLuint handle = mBufferHandleAllocator.allocate();
+
+    mBufferMap[handle] = NULL;
+
+    return handle;
+}
+
+// Returns an unused shader/program name
+GLuint ResourceManager::createShader(const gl::Data &data, GLenum type)
+{
+    GLuint handle = mProgramShaderHandleAllocator.allocate();
+
+    if (type == GL_VERTEX_SHADER || type == GL_FRAGMENT_SHADER)
+    {
+        mShaderMap[handle] = new Shader(this, mFactory->createShader(type), type, handle);
+    }
+    else UNREACHABLE();
+
+    return handle;
+}
+
+// Returns an unused program/shader name
+GLuint ResourceManager::createProgram()
+{
+    GLuint handle = mProgramShaderHandleAllocator.allocate();
+
+    mProgramMap[handle] = new Program(mFactory->createProgram(), this, handle);
+
+    return handle;
+}
+
+// Returns an unused texture name
+GLuint ResourceManager::createTexture()
+{
+    GLuint handle = mTextureHandleAllocator.allocate();
+
+    mTextureMap[handle] = NULL;
+
+    return handle;
+}
+
+// Returns an unused renderbuffer name
+GLuint ResourceManager::createRenderbuffer()
+{
+    GLuint handle = mRenderbufferHandleAllocator.allocate();
+
+    mRenderbufferMap[handle] = NULL;
+
+    return handle;
+}
+
+// Returns an unused sampler name
+GLuint ResourceManager::createSampler()
+{
+    GLuint handle = mSamplerHandleAllocator.allocate();
+
+    mSamplerMap[handle] = NULL;
+
+    return handle;
+}
+
+// Returns the next unused fence name, and allocates the fence
+GLuint ResourceManager::createFenceSync()
+{
+    GLuint handle = mFenceSyncHandleAllocator.allocate();
+
+    FenceSync *fenceSync = new FenceSync(mFactory->createFenceSync(), handle);
+    fenceSync->addRef();
+    mFenceSyncMap[handle] = fenceSync;
+
+    return handle;
+}
+
+void ResourceManager::deleteBuffer(GLuint buffer)
+{
+    BufferMap::iterator bufferObject = mBufferMap.find(buffer);
+
+    if (bufferObject != mBufferMap.end())
+    {
+        mBufferHandleAllocator.release(bufferObject->first);
+        if (bufferObject->second) bufferObject->second->release();
+        mBufferMap.erase(bufferObject);
+    }
+}
+
+void ResourceManager::deleteShader(GLuint shader)
+{
+    ShaderMap::iterator shaderObject = mShaderMap.find(shader);
+
+    if (shaderObject != mShaderMap.end())
+    {
+        if (shaderObject->second->getRefCount() == 0)
+        {
+            mProgramShaderHandleAllocator.release(shaderObject->first);
+            delete shaderObject->second;
+            mShaderMap.erase(shaderObject);
+        }
+        else
+        {
+            shaderObject->second->flagForDeletion();
+        }
+    }
+}
+
+void ResourceManager::deleteProgram(GLuint program)
+{
+    ProgramMap::iterator programObject = mProgramMap.find(program);
+
+    if (programObject != mProgramMap.end())
+    {
+        if (programObject->second->getRefCount() == 0)
+        {
+            mProgramShaderHandleAllocator.release(programObject->first);
+            delete programObject->second;
+            mProgramMap.erase(programObject);
+        }
+        else
+        { 
+            programObject->second->flagForDeletion();
+        }
+    }
+}
+
+void ResourceManager::deleteTexture(GLuint texture)
+{
+    TextureMap::iterator textureObject = mTextureMap.find(texture);
+
+    if (textureObject != mTextureMap.end())
+    {
+        mTextureHandleAllocator.release(textureObject->first);
+        if (textureObject->second) textureObject->second->release();
+        mTextureMap.erase(textureObject);
+    }
+}
+
+void ResourceManager::deleteRenderbuffer(GLuint renderbuffer)
+{
+    RenderbufferMap::iterator renderbufferObject = mRenderbufferMap.find(renderbuffer);
+
+    if (renderbufferObject != mRenderbufferMap.end())
+    {
+        mRenderbufferHandleAllocator.release(renderbufferObject->first);
+        if (renderbufferObject->second) renderbufferObject->second->release();
+        mRenderbufferMap.erase(renderbufferObject);
+    }
+}
+
+void ResourceManager::deleteSampler(GLuint sampler)
+{
+    auto samplerObject = mSamplerMap.find(sampler);
+
+    if (samplerObject != mSamplerMap.end())
+    {
+        mSamplerHandleAllocator.release(samplerObject->first);
+        if (samplerObject->second) samplerObject->second->release();
+        mSamplerMap.erase(samplerObject);
+    }
+}
+
+void ResourceManager::deleteFenceSync(GLuint fenceSync)
+{
+    auto fenceObjectIt = mFenceSyncMap.find(fenceSync);
+
+    if (fenceObjectIt != mFenceSyncMap.end())
+    {
+        mFenceSyncHandleAllocator.release(fenceObjectIt->first);
+        if (fenceObjectIt->second) fenceObjectIt->second->release();
+        mFenceSyncMap.erase(fenceObjectIt);
+    }
+}
+
+Buffer *ResourceManager::getBuffer(unsigned int handle)
+{
+    BufferMap::iterator buffer = mBufferMap.find(handle);
+
+    if (buffer == mBufferMap.end())
+    {
+        return NULL;
+    }
+    else
+    {
+        return buffer->second;
+    }
+}
+
+Shader *ResourceManager::getShader(unsigned int handle)
+{
+    ShaderMap::iterator shader = mShaderMap.find(handle);
+
+    if (shader == mShaderMap.end())
+    {
+        return NULL;
+    }
+    else
+    {
+        return shader->second;
+    }
+}
+
+Texture *ResourceManager::getTexture(unsigned int handle)
+{
+    if (handle == 0) return NULL;
+
+    TextureMap::iterator texture = mTextureMap.find(handle);
+
+    if (texture == mTextureMap.end())
+    {
+        return NULL;
+    }
+    else
+    {
+        return texture->second;
+    }
+}
+
+Program *ResourceManager::getProgram(unsigned int handle) const
+{
+    ProgramMap::const_iterator program = mProgramMap.find(handle);
+
+    if (program == mProgramMap.end())
+    {
+        return NULL;
+    }
+    else
+    {
+        return program->second;
+    }
+}
+
+Renderbuffer *ResourceManager::getRenderbuffer(unsigned int handle)
+{
+    RenderbufferMap::iterator renderbuffer = mRenderbufferMap.find(handle);
+
+    if (renderbuffer == mRenderbufferMap.end())
+    {
+        return NULL;
+    }
+    else
+    {
+        return renderbuffer->second;
+    }
+}
+
+Sampler *ResourceManager::getSampler(unsigned int handle)
+{
+    auto sampler = mSamplerMap.find(handle);
+
+    if (sampler == mSamplerMap.end())
+    {
+        return NULL;
+    }
+    else
+    {
+        return sampler->second;
+    }
+}
+
+FenceSync *ResourceManager::getFenceSync(unsigned int handle)
+{
+    auto fenceObjectIt = mFenceSyncMap.find(handle);
+
+    if (fenceObjectIt == mFenceSyncMap.end())
+    {
+        return NULL;
+    }
+    else
+    {
+        return fenceObjectIt->second;
+    }
+}
+
+void ResourceManager::setRenderbuffer(GLuint handle, Renderbuffer *buffer)
+{
+    mRenderbufferMap[handle] = buffer;
+}
+
+void ResourceManager::checkBufferAllocation(GLuint handle)
+{
+    if (handle != 0)
+    {
+        auto bufferMapIt = mBufferMap.find(handle);
+        bool handleAllocated = (bufferMapIt != mBufferMap.end());
+
+        if (handleAllocated && bufferMapIt->second != nullptr)
+        {
+            return;
+        }
+
+        Buffer *buffer = new Buffer(mFactory->createBuffer(), handle);
+        buffer->addRef();
+
+        if (handleAllocated)
+        {
+            bufferMapIt->second = buffer;
+        }
+        else
+        {
+            mBufferHandleAllocator.reserve(handle);
+            mBufferMap[handle] = buffer;
+        }
+    }
+}
+
+void ResourceManager::checkTextureAllocation(GLuint handle, GLenum type)
+{
+    if (handle != 0)
+    {
+        auto textureMapIt = mTextureMap.find(handle);
+        bool handleAllocated = (textureMapIt != mTextureMap.end());
+
+        if (handleAllocated && textureMapIt->second != nullptr)
+        {
+            return;
+        }
+
+        Texture *texture = new Texture(mFactory->createTexture(type), handle, type);
+        texture->addRef();
+
+        if (handleAllocated)
+        {
+            textureMapIt->second = texture;
+        }
+        else
+        {
+            mTextureHandleAllocator.reserve(handle);
+            mTextureMap[handle] = texture;
+        }
+    }
+}
+
+void ResourceManager::checkRenderbufferAllocation(GLuint handle)
+{
+    if (handle != 0)
+    {
+        auto renderbufferMapIt = mRenderbufferMap.find(handle);
+        bool handleAllocated = (renderbufferMapIt != mRenderbufferMap.end());
+
+        if (handleAllocated && renderbufferMapIt->second != nullptr)
+        {
+            return;
+        }
+
+        Renderbuffer *renderbuffer = new Renderbuffer(mFactory->createRenderbuffer(), handle);
+        renderbuffer->addRef();
+
+        if (handleAllocated)
+        {
+            renderbufferMapIt->second = renderbuffer;
+        }
+        else
+        {
+            mRenderbufferHandleAllocator.reserve(handle);
+            mRenderbufferMap[handle] = renderbuffer;
+        }
+    }
+}
+
+void ResourceManager::checkSamplerAllocation(GLuint sampler)
+{
+    if (sampler != 0 && !getSampler(sampler))
+    {
+        Sampler *samplerObject = new Sampler(sampler);
+        mSamplerMap[sampler] = samplerObject;
+        samplerObject->addRef();
+        // Samplers cannot be created via Bind
+    }
+}
+
+bool ResourceManager::isSampler(GLuint sampler)
+{
+    return mSamplerMap.find(sampler) != mSamplerMap.end();
+}
+
+}