From 0a7aebadfbb3534284546aa3ca8612314c08f136 Mon Sep 17 00:00:00 2001
From: Miguel Costa <miguel.costa@qt.io>
Date: Tue, 26 Jun 2018 16:56:45 +0200
Subject: Update ANGLE to chromium/3280

Change-Id: I0802c0d7486f772d361f87a544d6c5af937f4ca1
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
---
 src/3rdparty/angle/src/libANGLE/ResourceManager.h | 298 +++++++++++++++++-----
 1 file changed, 236 insertions(+), 62 deletions(-)

(limited to 'src/3rdparty/angle/src/libANGLE/ResourceManager.h')

diff --git a/src/3rdparty/angle/src/libANGLE/ResourceManager.h b/src/3rdparty/angle/src/libANGLE/ResourceManager.h
index 2073e9d728..2dfeff5234 100644
--- a/src/3rdparty/angle/src/libANGLE/ResourceManager.h
+++ b/src/3rdparty/angle/src/libANGLE/ResourceManager.h
@@ -1,115 +1,289 @@
 //
-// Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved.
+// Copyright (c) 2002-2016 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.h : Defines the ResourceManager class, which tracks objects
-// shared by multiple GL contexts.
+// ResourceManager.h : Defines the ResourceManager classes, which handle allocation and lifetime of
+// GL objects.
 
 #ifndef LIBANGLE_RESOURCEMANAGER_H_
 #define LIBANGLE_RESOURCEMANAGER_H_
 
 #include "angle_gl.h"
 #include "common/angleutils.h"
-#include "libANGLE/angletypes.h"
+#include "libANGLE/Error.h"
 #include "libANGLE/HandleAllocator.h"
-
-#include <map>
+#include "libANGLE/HandleRangeAllocator.h"
+#include "libANGLE/ResourceMap.h"
 
 namespace rx
 {
-class ImplFactory;
+class GLImplFactory;
 }
 
 namespace gl
 {
 class Buffer;
-struct Data;
-class FenceSync;
+struct Caps;
+class Context;
+class Sync;
+class Framebuffer;
 struct Limitations;
+class Path;
 class Program;
+class ProgramPipeline;
 class Renderbuffer;
 class Sampler;
 class Shader;
 class Texture;
 
-class ResourceManager : angle::NonCopyable
+template <typename HandleAllocatorType>
+class ResourceManagerBase : angle::NonCopyable
 {
   public:
-    explicit ResourceManager(rx::ImplFactory *factory);
-    ~ResourceManager();
+    ResourceManagerBase();
 
     void addRef();
-    void release();
+    void release(const Context *context);
+
+  protected:
+    virtual void reset(const Context *context) = 0;
+    virtual ~ResourceManagerBase() {}
+
+    HandleAllocatorType mHandleAllocator;
+
+  private:
+    size_t mRefCount;
+};
+
+template <typename ResourceType, typename HandleAllocatorType, typename ImplT>
+class TypedResourceManager : public ResourceManagerBase<HandleAllocatorType>
+{
+  public:
+    TypedResourceManager() {}
+
+    void deleteObject(const Context *context, GLuint handle);
+    bool isHandleGenerated(GLuint handle) const
+    {
+        // Zero is always assumed to have been generated implicitly.
+        return handle == 0 || mObjectMap.contains(handle);
+    }
+
+  protected:
+    ~TypedResourceManager() override;
+
+    // Inlined in the header for performance.
+    template <typename... ArgTypes>
+    ResourceType *checkObjectAllocation(rx::GLImplFactory *factory, GLuint handle, ArgTypes... args)
+    {
+        ResourceType *value = mObjectMap.query(handle);
+        if (value)
+        {
+            return value;
+        }
+
+        if (handle == 0)
+        {
+            return nullptr;
+        }
+
+        ResourceType *object = ImplT::AllocateNewObject(factory, handle, args...);
+
+        if (!mObjectMap.contains(handle))
+        {
+            this->mHandleAllocator.reserve(handle);
+        }
+        mObjectMap.assign(handle, object);
+
+        return object;
+    }
+
+    void reset(const Context *context) override;
+
+    ResourceMap<ResourceType> mObjectMap;
+};
 
+class BufferManager : public TypedResourceManager<Buffer, HandleAllocator, BufferManager>
+{
+  public:
     GLuint createBuffer();
-    GLuint createShader(const gl::Limitations &rendererLimitations, GLenum type);
-    GLuint createProgram();
+    Buffer *getBuffer(GLuint handle) const;
+
+    Buffer *checkBufferAllocation(rx::GLImplFactory *factory, GLuint handle)
+    {
+        return checkObjectAllocation(factory, handle);
+    }
+
+    // TODO(jmadill): Investigate design which doesn't expose these methods publicly.
+    static Buffer *AllocateNewObject(rx::GLImplFactory *factory, GLuint handle);
+    static void DeleteObject(const Context *context, Buffer *buffer);
+
+  protected:
+    ~BufferManager() override {}
+};
+
+class ShaderProgramManager : public ResourceManagerBase<HandleAllocator>
+{
+  public:
+    ShaderProgramManager();
+
+    GLuint createShader(rx::GLImplFactory *factory,
+                        const Limitations &rendererLimitations,
+                        GLenum type);
+    void deleteShader(const Context *context, GLuint shader);
+    Shader *getShader(GLuint handle) const;
+
+    GLuint createProgram(rx::GLImplFactory *factory);
+    void deleteProgram(const Context *context, GLuint program);
+    Program *getProgram(GLuint handle) const;
+
+  protected:
+    ~ShaderProgramManager() override;
+
+  private:
+    template <typename ObjectType>
+    void deleteObject(const Context *context, ResourceMap<ObjectType> *objectMap, GLuint id);
+
+    void reset(const Context *context) override;
+
+    ResourceMap<Shader> mShaders;
+    ResourceMap<Program> mPrograms;
+};
+
+class TextureManager : public TypedResourceManager<Texture, HandleAllocator, TextureManager>
+{
+  public:
     GLuint createTexture();
+    Texture *getTexture(GLuint handle) const;
+
+    void signalAllTexturesDirty() const;
+
+    Texture *checkTextureAllocation(rx::GLImplFactory *factory, GLuint handle, GLenum target)
+    {
+        return checkObjectAllocation(factory, handle, target);
+    }
+
+    static Texture *AllocateNewObject(rx::GLImplFactory *factory, GLuint handle, GLenum target);
+    static void DeleteObject(const Context *context, Texture *texture);
+
+  protected:
+    ~TextureManager() override {}
+};
+
+class RenderbufferManager
+    : public TypedResourceManager<Renderbuffer, HandleAllocator, RenderbufferManager>
+{
+  public:
     GLuint createRenderbuffer();
+    Renderbuffer *getRenderbuffer(GLuint handle) const;
+
+    Renderbuffer *checkRenderbufferAllocation(rx::GLImplFactory *factory, GLuint handle)
+    {
+        return checkObjectAllocation(factory, handle);
+    }
+
+    static Renderbuffer *AllocateNewObject(rx::GLImplFactory *factory, GLuint handle);
+    static void DeleteObject(const Context *context, Renderbuffer *renderbuffer);
+
+  protected:
+    ~RenderbufferManager() override {}
+};
+
+class SamplerManager : public TypedResourceManager<Sampler, HandleAllocator, SamplerManager>
+{
+  public:
     GLuint createSampler();
-    GLuint createFenceSync();
-
-    void deleteBuffer(GLuint buffer);
-    void deleteShader(GLuint shader);
-    void deleteProgram(GLuint program);
-    void deleteTexture(GLuint texture);
-    void deleteRenderbuffer(GLuint renderbuffer);
-    void deleteSampler(GLuint sampler);
-    void deleteFenceSync(GLuint fenceSync);
-
-    Buffer *getBuffer(GLuint handle);
-    Shader *getShader(GLuint handle);
-    Program *getProgram(GLuint handle) const;
-    Texture *getTexture(GLuint handle);
-    Renderbuffer *getRenderbuffer(GLuint handle);
-    Sampler *getSampler(GLuint handle);
-    FenceSync *getFenceSync(GLuint handle);
+    Sampler *getSampler(GLuint handle) const;
+    bool isSampler(GLuint sampler) const;
+
+    Sampler *checkSamplerAllocation(rx::GLImplFactory *factory, GLuint handle)
+    {
+        return checkObjectAllocation(factory, handle);
+    }
 
-    void setRenderbuffer(GLuint handle, Renderbuffer *renderbuffer);
+    static Sampler *AllocateNewObject(rx::GLImplFactory *factory, GLuint handle);
+    static void DeleteObject(const Context *context, Sampler *sampler);
 
-    void checkBufferAllocation(GLuint handle);
-    void checkTextureAllocation(GLuint handle, GLenum type);
-    void checkRenderbufferAllocation(GLuint handle);
-    void checkSamplerAllocation(GLuint sampler);
+  protected:
+    ~SamplerManager() override {}
+};
+
+class SyncManager : public TypedResourceManager<Sync, HandleAllocator, SyncManager>
+{
+  public:
+    GLuint createSync(rx::GLImplFactory *factory);
+    Sync *getSync(GLuint handle) const;
+
+    static void DeleteObject(const Context *context, Sync *sync);
+
+  protected:
+    ~SyncManager() override {}
+};
+
+class PathManager : public ResourceManagerBase<HandleRangeAllocator>
+{
+  public:
+    PathManager();
 
-    bool isSampler(GLuint sampler);
+    ErrorOrResult<GLuint> createPaths(rx::GLImplFactory *factory, GLsizei range);
+    void deletePaths(GLuint first, GLsizei range);
+    Path *getPath(GLuint handle) const;
+    bool hasPath(GLuint handle) const;
+
+  protected:
+    ~PathManager() override;
+    void reset(const Context *context) override;
 
   private:
-    void createTextureInternal(GLuint handle);
+    ResourceMap<Path> mPaths;
+};
 
-    rx::ImplFactory *mFactory;
-    std::size_t mRefCount;
+class FramebufferManager
+    : public TypedResourceManager<Framebuffer, HandleAllocator, FramebufferManager>
+{
+  public:
+    GLuint createFramebuffer();
+    Framebuffer *getFramebuffer(GLuint handle) const;
+    void setDefaultFramebuffer(Framebuffer *framebuffer);
 
-    typedef std::map<GLuint, Buffer*> BufferMap;
-    BufferMap mBufferMap;
-    HandleAllocator mBufferHandleAllocator;
+    void invalidateFramebufferComplenessCache() const;
 
-    typedef std::map<GLuint, Shader*> ShaderMap;
-    ShaderMap mShaderMap;
+    Framebuffer *checkFramebufferAllocation(rx::GLImplFactory *factory,
+                                            const Caps &caps,
+                                            GLuint handle)
+    {
+        return checkObjectAllocation<const Caps &>(factory, handle, caps);
+    }
 
-    typedef std::map<GLuint, Program*> ProgramMap;
-    ProgramMap mProgramMap;
-    HandleAllocator mProgramShaderHandleAllocator;
+    static Framebuffer *AllocateNewObject(rx::GLImplFactory *factory,
+                                          GLuint handle,
+                                          const Caps &caps);
+    static void DeleteObject(const Context *context, Framebuffer *framebuffer);
 
-    typedef std::map<GLuint, Texture*> TextureMap;
-    TextureMap mTextureMap;
-    HandleAllocator mTextureHandleAllocator;
+  protected:
+    ~FramebufferManager() override {}
+};
 
-    typedef std::map<GLuint, Renderbuffer*> RenderbufferMap;
-    RenderbufferMap mRenderbufferMap;
-    HandleAllocator mRenderbufferHandleAllocator;
+class ProgramPipelineManager
+    : public TypedResourceManager<ProgramPipeline, HandleAllocator, ProgramPipelineManager>
+{
+  public:
+    GLuint createProgramPipeline();
+    ProgramPipeline *getProgramPipeline(GLuint handle) const;
 
-    typedef std::map<GLuint, Sampler*> SamplerMap;
-    SamplerMap mSamplerMap;
-    HandleAllocator mSamplerHandleAllocator;
+    ProgramPipeline *checkProgramPipelineAllocation(rx::GLImplFactory *factory, GLuint handle)
+    {
+        return checkObjectAllocation(factory, handle);
+    }
 
-    typedef std::map<GLuint, FenceSync*> FenceMap;
-    FenceMap mFenceSyncMap;
-    HandleAllocator mFenceSyncHandleAllocator;
+    static ProgramPipeline *AllocateNewObject(rx::GLImplFactory *factory, GLuint handle);
+    static void DeleteObject(const Context *context, ProgramPipeline *pipeline);
+
+  protected:
+    ~ProgramPipelineManager() override {}
 };
 
-}
+}  // namespace gl
 
 #endif // LIBANGLE_RESOURCEMANAGER_H_
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