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Diffstat (limited to 'chromium/third_party/glslang/src/glslang/Include/BaseTypes.h')
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diff --git a/chromium/third_party/glslang/src/glslang/Include/BaseTypes.h b/chromium/third_party/glslang/src/glslang/Include/BaseTypes.h new file mode 100644 index 00000000000..2c2757724b8 --- /dev/null +++ b/chromium/third_party/glslang/src/glslang/Include/BaseTypes.h @@ -0,0 +1,315 @@ +// +//Copyright (C) 2002-2005 3Dlabs Inc. Ltd. +//Copyright (C) 2012-2013 LunarG, Inc. +// +//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 _BASICTYPES_INCLUDED_ +#define _BASICTYPES_INCLUDED_ + +namespace glslang { + +// +// Basic type. Arrays, vectors, sampler details, etc., are orthogonal to this. +// +enum TBasicType { + EbtVoid, + EbtFloat, + EbtDouble, + EbtInt, + EbtUint, + EbtInt64, + EbtUint64, + EbtBool, + EbtAtomicUint, + EbtSampler, + EbtStruct, + EbtBlock, + EbtNumTypes +}; + +// +// Storage qualifiers. Should align with different kinds of storage or +// resource or GLSL storage qualifier. Expansion is deprecated. +// +// N.B.: You probably DON'T want to add anything here, but rather just add it +// to the built-in variables. See the comment above TBuiltInVariable. +// +// A new built-in variable will normally be an existing qualifier, like 'in', 'out', etc. +// DO NOT follow the design pattern of, say EvqInstanceId, etc. +// +enum TStorageQualifier { + EvqTemporary, // For temporaries (within a function), read/write + EvqGlobal, // For globals read/write + EvqConst, // User-defined constant values, will be semantically constant and constant folded + EvqVaryingIn, // pipeline input, read only, also supercategory for all built-ins not included in this enum (see TBuiltInVariable) + EvqVaryingOut, // pipeline output, read/write, also supercategory for all built-ins not included in this enum (see TBuiltInVariable) + EvqUniform, // read only, shared with app + EvqBuffer, // read/write, shared with app + EvqShared, // compute shader's read/write 'shared' qualifier + + // parameters + EvqIn, // also, for 'in' in the grammar before we know if it's a pipeline input or an 'in' parameter + EvqOut, // also, for 'out' in the grammar before we know if it's a pipeline output or an 'out' parameter + EvqInOut, + EvqConstReadOnly, // input; also other read-only types having neither a constant value nor constant-value semantics + + // built-ins read by vertex shader + EvqVertexId, + EvqInstanceId, + + // built-ins written by vertex shader + EvqPosition, + EvqPointSize, + EvqClipVertex, + + // built-ins read by fragment shader + EvqFace, + EvqFragCoord, + EvqPointCoord, + + // built-ins written by fragment shader + EvqFragColor, + EvqFragDepth, + + // end of list + EvqLast +}; + +// +// Subcategories of the TStorageQualifier, simply to give a direct mapping +// between built-in variable names and an numerical value (the enum). +// +// For backward compatibility, there is some redundancy between the +// TStorageQualifier and these. Existing members should both be maintained accurately. +// However, any new built-in variable (and any existing non-redundant one) +// must follow the pattern that the specific built-in is here, and only its +// general qualifier is in TStorageQualifier. +// +// Something like gl_Position, which is sometimes 'in' and sometimes 'out' +// shows up as two different built-in variables in a single stage, but +// only has a single enum in TBuiltInVariable, so both the +// TStorageQualifier and the TBuitinVariable are needed to distinguish +// between them. +// +enum TBuiltInVariable { + EbvNone, + EbvNumWorkGroups, + EbvWorkGroupSize, + EbvWorkGroupId, + EbvLocalInvocationId, + EbvGlobalInvocationId, + EbvLocalInvocationIndex, + EbvSubGroupSize, + EbvSubGroupInvocation, + EbvSubGroupEqMask, + EbvSubGroupGeMask, + EbvSubGroupGtMask, + EbvSubGroupLeMask, + EbvSubGroupLtMask, + EbvVertexId, + EbvInstanceId, + EbvVertexIndex, + EbvInstanceIndex, + EbvBaseVertex, + EbvBaseInstance, + EbvDrawId, + EbvPosition, + EbvPointSize, + EbvClipVertex, + EbvClipDistance, + EbvCullDistance, + EbvNormal, + EbvVertex, + EbvMultiTexCoord0, + EbvMultiTexCoord1, + EbvMultiTexCoord2, + EbvMultiTexCoord3, + EbvMultiTexCoord4, + EbvMultiTexCoord5, + EbvMultiTexCoord6, + EbvMultiTexCoord7, + EbvFrontColor, + EbvBackColor, + EbvFrontSecondaryColor, + EbvBackSecondaryColor, + EbvTexCoord, + EbvFogFragCoord, + EbvInvocationId, + EbvPrimitiveId, + EbvLayer, + EbvViewportIndex, + EbvPatchVertices, + EbvTessLevelOuter, + EbvTessLevelInner, + EbvBoundingBox, + EbvTessCoord, + EbvColor, + EbvSecondaryColor, + EbvFace, + EbvFragCoord, + EbvPointCoord, + EbvFragColor, + EbvFragData, + EbvFragDepth, + EbvSampleId, + EbvSamplePosition, + EbvSampleMask, + EbvHelperInvocation, + + EbvLast +}; + +// These will show up in error messages +__inline const char* GetStorageQualifierString(TStorageQualifier q) +{ + switch (q) { + case EvqTemporary: return "temp"; break; + case EvqGlobal: return "global"; break; + case EvqConst: return "const"; break; + case EvqConstReadOnly: return "const (read only)"; break; + case EvqVaryingIn: return "in"; break; + case EvqVaryingOut: return "out"; break; + case EvqUniform: return "uniform"; break; + case EvqBuffer: return "buffer"; break; + case EvqShared: return "shared"; break; + case EvqIn: return "in"; break; + case EvqOut: return "out"; break; + case EvqInOut: return "inout"; break; + case EvqVertexId: return "gl_VertexId"; break; + case EvqInstanceId: return "gl_InstanceId"; break; + case EvqPosition: return "gl_Position"; break; + case EvqPointSize: return "gl_PointSize"; break; + case EvqClipVertex: return "gl_ClipVertex"; break; + case EvqFace: return "gl_FrontFacing"; break; + case EvqFragCoord: return "gl_FragCoord"; break; + case EvqPointCoord: return "gl_PointCoord"; break; + case EvqFragColor: return "fragColor"; break; + case EvqFragDepth: return "gl_FragDepth"; break; + default: return "unknown qualifier"; + } +} + +__inline const char* GetBuiltInVariableString(TBuiltInVariable v) +{ + switch (v) { + case EbvNone: return ""; + case EbvNumWorkGroups: return "NumWorkGroups"; + case EbvWorkGroupSize: return "WorkGroupSize"; + case EbvWorkGroupId: return "WorkGroupID"; + case EbvLocalInvocationId: return "LocalInvocationID"; + case EbvGlobalInvocationId: return "GlobalInvocationID"; + case EbvLocalInvocationIndex: return "LocalInvocationIndex"; + case EbvSubGroupSize: return "SubGroupSize"; + case EbvSubGroupInvocation: return "SubGroupInvocation"; + case EbvSubGroupEqMask: return "SubGroupEqMask"; + case EbvSubGroupGeMask: return "SubGroupGeMask"; + case EbvSubGroupGtMask: return "SubGroupGtMask"; + case EbvSubGroupLeMask: return "SubGroupLeMask"; + case EbvSubGroupLtMask: return "SubGroupLtMask"; + case EbvVertexId: return "VertexId"; + case EbvInstanceId: return "InstanceId"; + case EbvVertexIndex: return "VertexIndex"; + case EbvInstanceIndex: return "InstanceIndex"; + case EbvBaseVertex: return "BaseVertex"; + case EbvBaseInstance: return "BaseInstance"; + case EbvDrawId: return "DrawId"; + case EbvPosition: return "Position"; + case EbvPointSize: return "PointSize"; + case EbvClipVertex: return "ClipVertex"; + case EbvClipDistance: return "ClipDistance"; + case EbvCullDistance: return "CullDistance"; + case EbvNormal: return "Normal"; + case EbvVertex: return "Vertex"; + case EbvMultiTexCoord0: return "MultiTexCoord0"; + case EbvMultiTexCoord1: return "MultiTexCoord1"; + case EbvMultiTexCoord2: return "MultiTexCoord2"; + case EbvMultiTexCoord3: return "MultiTexCoord3"; + case EbvMultiTexCoord4: return "MultiTexCoord4"; + case EbvMultiTexCoord5: return "MultiTexCoord5"; + case EbvMultiTexCoord6: return "MultiTexCoord6"; + case EbvMultiTexCoord7: return "MultiTexCoord7"; + case EbvFrontColor: return "FrontColor"; + case EbvBackColor: return "BackColor"; + case EbvFrontSecondaryColor: return "FrontSecondaryColor"; + case EbvBackSecondaryColor: return "BackSecondaryColor"; + case EbvTexCoord: return "TexCoord"; + case EbvFogFragCoord: return "FogFragCoord"; + case EbvInvocationId: return "InvocationID"; + case EbvPrimitiveId: return "PrimitiveID"; + case EbvLayer: return "Layer"; + case EbvViewportIndex: return "ViewportIndex"; + case EbvPatchVertices: return "PatchVertices"; + case EbvTessLevelOuter: return "TessLevelOuter"; + case EbvTessLevelInner: return "TessLevelInner"; + case EbvBoundingBox: return "BoundingBox"; + case EbvTessCoord: return "TessCoord"; + case EbvColor: return "Color"; + case EbvSecondaryColor: return "SecondaryColor"; + case EbvFace: return "Face"; + case EbvFragCoord: return "FragCoord"; + case EbvPointCoord: return "PointCoord"; + case EbvFragColor: return "FragColor"; + case EbvFragData: return "FragData"; + case EbvFragDepth: return "FragDepth"; + case EbvSampleId: return "SampleId"; + case EbvSamplePosition: return "SamplePosition"; + case EbvSampleMask: return "SampleMaskIn"; + case EbvHelperInvocation: return "HelperInvocation"; + default: return "unknown built-in variable"; + } +} + +// In this enum, order matters; users can assume higher precision is a bigger value +// and EpqNone is 0. +enum TPrecisionQualifier { + EpqNone = 0, + EpqLow, + EpqMedium, + EpqHigh +}; + +__inline const char* GetPrecisionQualifierString(TPrecisionQualifier p) +{ + switch(p) { + case EpqNone: return ""; break; + case EpqLow: return "lowp"; break; + case EpqMedium: return "mediump"; break; + case EpqHigh: return "highp"; break; + default: return "unknown precision qualifier"; + } +} + +} // end namespace glslang + +#endif // _BASICTYPES_INCLUDED_ |