Initial import from TransGaming

git-svn-id: https://angleproject.googlecode.com/svn/trunk@2 736b8ea6-26fd-11df-bfd4-992fa37f6226
stackgl · Mar 8, 2010 · 4f39fd9 · 4f39fd9
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diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,18 @@
+Debug
+Release
+ANGLE.ncb
+ANGLE.suo
+Compiler/Compiler.vcproj.*
+Compiler/Gen_glslang.cpp
+Compiler/Gen_glslang_tab.cpp
+Compiler/glslang.output
+Compiler/glslang_tab.h
+Compiler/Debug
+Compiler/Release
+libEGL/Debug
+libEGL/Release
+libEGL/libEGL.vcproj.*
+libGLESv2/Debug
+libGLESv2/Release
+libGLESv2/libGLESv2.vcproj.*
+
diff --git a/ANGLE.sln b/ANGLE.sln
@@ -0,0 +1,38 @@
+
+Microsoft Visual Studio Solution File, Format Version 10.00
+# Visual C++ Express 2008
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libEGL", "libEGL\libEGL.vcproj", "{E746FCA9-64C3-433E-85E8-9A5A67AB7ED6}"
+	ProjectSection(ProjectDependencies) = postProject
+		{B5871A7A-968C-42E3-A33B-981E6F448E78} = {B5871A7A-968C-42E3-A33B-981E6F448E78}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libGLESv2", "libGLESv2\libGLESv2.vcproj", "{B5871A7A-968C-42E3-A33B-981E6F448E78}"
+	ProjectSection(ProjectDependencies) = postProject
+		{5B3A6DB8-1E7E-40D7-92B9-DA8AAE619FAD} = {5B3A6DB8-1E7E-40D7-92B9-DA8AAE619FAD}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Compiler", "Compiler\Compiler.vcproj", "{5B3A6DB8-1E7E-40D7-92B9-DA8AAE619FAD}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Win32 = Debug|Win32
+		Release|Win32 = Release|Win32
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{E746FCA9-64C3-433E-85E8-9A5A67AB7ED6}.Debug|Win32.ActiveCfg = Debug|Win32
+		{E746FCA9-64C3-433E-85E8-9A5A67AB7ED6}.Debug|Win32.Build.0 = Debug|Win32
+		{E746FCA9-64C3-433E-85E8-9A5A67AB7ED6}.Release|Win32.ActiveCfg = Release|Win32
+		{E746FCA9-64C3-433E-85E8-9A5A67AB7ED6}.Release|Win32.Build.0 = Release|Win32
+		{B5871A7A-968C-42E3-A33B-981E6F448E78}.Debug|Win32.ActiveCfg = Debug|Win32
+		{B5871A7A-968C-42E3-A33B-981E6F448E78}.Debug|Win32.Build.0 = Debug|Win32
+		{B5871A7A-968C-42E3-A33B-981E6F448E78}.Release|Win32.ActiveCfg = Release|Win32
+		{B5871A7A-968C-42E3-A33B-981E6F448E78}.Release|Win32.Build.0 = Release|Win32
+		{5B3A6DB8-1E7E-40D7-92B9-DA8AAE619FAD}.Debug|Win32.ActiveCfg = Debug|Win32
+		{5B3A6DB8-1E7E-40D7-92B9-DA8AAE619FAD}.Debug|Win32.Build.0 = Debug|Win32
+		{5B3A6DB8-1E7E-40D7-92B9-DA8AAE619FAD}.Release|Win32.ActiveCfg = Release|Win32
+		{5B3A6DB8-1E7E-40D7-92B9-DA8AAE619FAD}.Release|Win32.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal
diff --git a/AUTHORS b/AUTHORS
@@ -0,0 +1,15 @@
+# This is the official list of The ANGLE Project Authors
+# for copyright purposes.
+# This file is distinct from the CONTRIBUTORS files.
+# See the latter for an explanation.
+
+# Names should be added to this file as
+#	Name or Organization <email address>
+# The email address is not required for organizations.
+
+TransGaming Inc.
+
+Google Inc.
+
+3DLabs Inc. Ltd.
+
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
@@ -0,0 +1,18 @@
+# This is the official list of people who can contribute
+# (and who have contributed) code to the ANGLE project
+# repository.
+# The AUTHORS file lists the copyright holders; this file
+# lists people.  For example, Google employees are listed here
+# but not in AUTHORS, because Google holds the copyright.
+#
+
+TransGaming Inc.
+ Nicolas Capens
+ Daniel Koch
+ Andrew Lewycky
+ Gavriel State
+ Shannon Woods
+
+Google Inc.
+ Henry Bridge
+ Vangelis Kokkevis
diff --git a/Common/debug.cpp b/Common/debug.cpp
@@ -0,0 +1,36 @@
+//
+// Copyright (c) 2002-2010 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.
+//
+
+// debug.cpp: Debugging utilities.
+
+#include "debug.h"
+
+#include <stdio.h>
+#include <stdarg.h>
+
+namespace gl
+{
+void trace(const char *format, ...)
+{
+    if (true)
+    {
+        if (format)
+        {
+            FILE *file = fopen("debug.txt", "a");
+
+            if (file)
+            {
+                va_list vararg;
+                va_start(vararg, format);
+                vfprintf(file, format, vararg);
+                va_end(vararg);
+
+                fclose(file);
+            }
+        }
+    }
+}
+}
diff --git a/Compiler/BaseTypes.h b/Compiler/BaseTypes.h
@@ -0,0 +1,130 @@
+//
+// Copyright (c) 2002-2010 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.
+//
+
+#ifndef _BASICTYPES_INCLUDED_
+#define _BASICTYPES_INCLUDED_
+
+//
+// Precision qualifiers
+//
+enum TPrecision
+{
+	EbpHigh,
+	EbpMedium,
+	EbpLow,
+};
+
+__inline const char* getPrecisionString(TPrecision p)
+{
+	switch(p)
+	{
+	case EbpHigh:		return "highp";		break;
+	case EbpMedium:		return "mediump";	break;
+	case EbpLow:		return "lowp";		break;
+	default:			return "unknown precision";
+	}
+}
+
+//
+// Basic type.  Arrays, vectors, etc., are orthogonal to this.
+//
+enum TBasicType
+{
+	EbtVoid,
+	EbtFloat,
+	EbtInt,
+	EbtBool,
+	EbtGuardSamplerBegin,  // non type:  see implementation of IsSampler()
+	EbtSampler2D,
+	EbtSamplerCube,
+	EbtGuardSamplerEnd,    // non type:  see implementation of IsSampler()
+	EbtStruct,
+	EbtAddress,            // should be deprecated??
+};
+
+__inline bool IsSampler(TBasicType type)
+{
+	return type > EbtGuardSamplerBegin && type < EbtGuardSamplerEnd;
+}
+
+//
+// Qualifiers and built-ins.  These are mainly used to see what can be read
+// or written, and by the machine dependent translator to know which registers
+// to allocate variables in.  Since built-ins tend to go to different registers
+// than varying or uniform, it makes sense they are peers, not sub-classes.
+//
+enum TQualifier
+{
+	EvqTemporary,     // For temporaries (within a function), read/write
+	EvqGlobal,        // For globals read/write
+	EvqConst,         // User defined constants and non-output parameters in functions
+	EvqAttribute,     // Readonly
+	EvqVaryingIn,     // readonly, fragment shaders only
+	EvqVaryingOut,    // vertex shaders only  read/write
+	EvqInvariantVaryingIn,     // readonly, fragment shaders only
+	EvqInvariantVaryingOut,    // vertex shaders only  read/write
+	EvqUniform,       // Readonly, vertex and fragment
+
+	// pack/unpack input and output
+	EvqInput,
+	EvqOutput,
+
+	// parameters
+	EvqIn,
+	EvqOut,
+	EvqInOut,
+	EvqConstReadOnly,
+
+	// built-ins written by vertex shader
+	EvqPosition,
+	EvqPointSize,
+
+	// built-ins read by fragment shader
+	EvqFragCoord,
+	EvqFrontFacing,
+	EvqPointCoord,
+
+	// built-ins written by fragment shader
+	EvqFragColor,
+	EvqFragData,
+
+	// end of list
+	EvqLast,
+};
+
+//
+// This is just for debug print out, carried along with the definitions above.
+//
+__inline const char* getQualifierString(TQualifier q)
+{
+	switch(q)
+	{
+	case EvqTemporary:      return "Temporary";      break;
+	case EvqGlobal:         return "Global";         break;
+	case EvqConst:          return "const";          break;
+	case EvqConstReadOnly:  return "const";          break;
+	case EvqAttribute:      return "attribute";      break;
+	case EvqVaryingIn:      return "varying";        break;
+	case EvqVaryingOut:     return "varying";        break;
+	case EvqInvariantVaryingIn: return "invariant varying";	break;
+	case EvqInvariantVaryingOut:return "invariant varying";	break;
+	case EvqUniform:        return "uniform";        break;
+	case EvqIn:             return "in";             break;
+	case EvqOut:            return "out";            break;
+	case EvqInOut:          return "inout";          break;
+	case EvqInput:          return "input";          break;
+	case EvqOutput:         return "output";         break;
+	case EvqPosition:       return "Position";       break;
+	case EvqPointSize:      return "PointSize";      break;
+	case EvqFragCoord:      return "FragCoord";      break;
+	case EvqFrontFacing:    return "FrontFacing";    break;
+	case EvqFragColor:      return "FragColor";      break;
+	case EvqFragData:       return "FragData";      break;
+	default:                return "unknown qualifier";
+	}
+}
+
+#endif // _BASICTYPES_INCLUDED_
diff --git a/Compiler/CodeGen.cpp b/Compiler/CodeGen.cpp
@@ -0,0 +1,47 @@
+//
+// Copyright (c) 2002-2010 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.
+//
+
+#include "Common.h"
+#include "ShHandle.h"
+
+//
+// Here is where real machine specific high-level data would be defined.
+//
+class TGenericCompiler : public TCompiler {
+public:
+    TGenericCompiler(EShLanguage l, int dOptions) : TCompiler(l, infoSink), debugOptions(dOptions) { }
+    virtual bool compile(TIntermNode* root);
+    TInfoSink infoSink;
+    int debugOptions;
+};
+
+//
+// This function must be provided to create the actual
+// compile object used by higher level code.  It returns
+// a subclass of TCompiler.
+//
+TCompiler* ConstructCompiler(EShLanguage language, int debugOptions)
+{
+    return new TGenericCompiler(language, debugOptions);
+}
+
+//
+// Delete the compiler made by ConstructCompiler
+//
+void DeleteCompiler(TCompiler* compiler)
+{
+    delete compiler;
+}
+
+//
+//  Generate code from the given parse tree
+//
+bool TGenericCompiler::compile(TIntermNode *root)
+{
+    haveValidObjectCode = true;
+
+    return haveValidObjectCode;
+}