diff options
Diffstat (limited to 'src/mesa/shader/slang/Include/ShHandle.h')
-rwxr-xr-x | src/mesa/shader/slang/Include/ShHandle.h | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/mesa/shader/slang/Include/ShHandle.h b/src/mesa/shader/slang/Include/ShHandle.h new file mode 100755 index 00000000000..82c0314f348 --- /dev/null +++ b/src/mesa/shader/slang/Include/ShHandle.h @@ -0,0 +1,177 @@ +//
+//Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
+//All rights reserved.
+//
+//Redistribution and use in source and binary forms, with or without
+//modification, are permitted provided that the following conditions
+//are met:
+//
+// Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//
+// Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+//
+// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+//"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+//FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+//COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+//INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+//BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+//CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+//LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+//ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+//POSSIBILITY OF SUCH DAMAGE.
+//
+
+#ifndef _SHHANDLE_INCLUDED_
+#define _SHHANDLE_INCLUDED_
+
+//
+// Machine independent part of the compiler private objects
+// sent as ShHandle to the driver.
+//
+// This should not be included by driver code.
+//
+
+#define SH_EXPORTING
+#include "../Public/ShaderLangExt.h"
+#include "InfoSink.h"
+
+class TCompiler;
+class TLinker;
+class TUniformMap;
+namespace Lf {
+ class TBindingList;
+ class TLinker;
+ class TLibrary;
+}
+
+//
+// The base class used to back handles returned to the driver.
+//
+class TShHandleBase {
+public:
+ TShHandleBase() { }
+ virtual ~TShHandleBase() { }
+ virtual TCompiler* getAsCompiler() { return 0; }
+ virtual TLinker* getAsLinker() { return 0; }
+ virtual Lf::TLinker* getAsNewLinker() { return 0; }
+ virtual TUniformMap* getAsUniformMap() { return 0; }
+ virtual Lf::TBindingList* getAsBindingList() { return 0; }
+ virtual Lf::TLibrary* getAsLibrary() { return 0; }
+};
+//
+// The base class for the machine dependent linker to derive from
+// for managing where uniforms live.
+//
+class TUniformMap : public TShHandleBase {
+public:
+ TUniformMap() { }
+ virtual ~TUniformMap() { }
+ virtual TUniformMap* getAsUniformMap() { return this; }
+ virtual int getLocation(const char* name) = 0;
+ virtual TInfoSink& getInfoSink() { return infoSink; }
+ TInfoSink infoSink;
+};
+
+class TIntermNode;
+
+//
+// The base class for the machine dependent compiler to derive from
+// for managing object code from the compile.
+//
+class TCompiler : public TShHandleBase {
+public:
+ TCompiler(EShLanguage l, TInfoSink& sink) : infoSink(sink) , language(l), haveValidObjectCode(false) { }
+ virtual ~TCompiler() { }
+ EShLanguage getLanguage() { return language; }
+ virtual TInfoSink& getInfoSink() { return infoSink; }
+
+ virtual bool compile(TIntermNode* root) = 0;
+
+ virtual TCompiler* getAsCompiler() { return this; }
+ virtual bool linkable() { return haveValidObjectCode; }
+
+ TInfoSink& infoSink;
+protected:
+ EShLanguage language;
+ bool haveValidObjectCode;
+};
+
+//
+// Link operations are base on a list of compile results...
+//
+typedef TVector<TCompiler*> TCompilerList;
+typedef TVector<TShHandleBase*> THandleList;
+
+//
+// The base class for the machine dependent linker to derive from
+// to manage the resulting executable.
+//
+
+class TLinker : public TShHandleBase {
+public:
+ TLinker(EShExecutable e, TInfoSink& iSink) :
+ infoSink(iSink),
+ executable(e),
+ haveReturnableObjectCode(false),
+ appAttributeBindings(0),
+ fixedAttributeBindings(0),
+ excludedAttributes(0),
+ excludedCount(0),
+ uniformBindings(0) { }
+ virtual TLinker* getAsLinker() { return this; }
+ virtual ~TLinker() { }
+ virtual bool link(TCompilerList&, TUniformMap*) = 0;
+ virtual bool link(THandleList&) { return false; }
+ virtual void setAppAttributeBindings(const ShBindingTable* t) { appAttributeBindings = t; }
+ virtual void setFixedAttributeBindings(const ShBindingTable* t) { fixedAttributeBindings = t; }
+ virtual void getAttributeBindings(ShBindingTable const **t) const = 0;
+ virtual void setExcludedAttributes(const int* attributes, int count) { excludedAttributes = attributes; excludedCount = count; }
+ virtual ShBindingTable* getUniformBindings() const { return uniformBindings; }
+ virtual const void* getObjectCode() const { return 0; } // a real compiler would be returning object code here
+ virtual TInfoSink& getInfoSink() { return infoSink; }
+ TInfoSink& infoSink;
+protected:
+ EShExecutable executable;
+ bool haveReturnableObjectCode; // true when objectCode is acceptable to send to driver
+
+ const ShBindingTable* appAttributeBindings;
+ const ShBindingTable* fixedAttributeBindings;
+ const int* excludedAttributes;
+ int excludedCount;
+ ShBindingTable* uniformBindings; // created by the linker
+};
+
+//
+// This is the interface between the machine independent code
+// and the machine dependent code.
+//
+// The machine dependent code should derive from the classes
+// above. Then Construct*() and Delete*() will create and
+// destroy the machine dependent objects, which contain the
+// above machine independent information.
+//
+TCompiler* ConstructCompiler(EShLanguage, int);
+
+TShHandleBase* ConstructLinker(EShExecutable, int);
+TShHandleBase* ConstructBindings();
+TShHandleBase* ConstructLibrary();
+void DeleteLinker(TShHandleBase*);
+
+TUniformMap* ConstructUniformMap();
+void DeleteCompiler(TCompiler*);
+
+void DeleteUniformMap(TUniformMap*);
+void freeTargetDependentData(void*);
+
+#endif // _SHHANDLE_INCLUDED_
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