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GLSL: Fix #1300: Can redeclare without size a sized built-in block array.

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This commit is contained in:
John Kessenich 2018-04-19 19:42:50 -06:00
parent 3beac945ff
commit c325f43646
8 changed files with 24 additions and 18 deletions
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2
Test/310.tese
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@ -55,7 +55,7 @@ patch sample in vec3 badp4; // ERROR
#extension GL_ARB_separate_shader_objects : enable
in gl_PerVertex // ERROR, no size
in gl_PerVertex
{
vec4 gl_Position;
} gl_in[];

2
Test/320.tese
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@ -51,7 +51,7 @@ patch sample in vec3 badp4; // ERROR
#extension GL_ARB_separate_shader_objects : enable
in gl_PerVertex // ERROR, no size
in gl_PerVertex
{
vec4 gl_Position;
} gl_in[];

2
Test/400.tese
View File

@ -51,7 +51,7 @@ patch sample in vec3 badp4; // ERROR
#extension GL_ARB_separate_shader_objects : enable
in gl_PerVertex // ERROR, no size
in gl_PerVertex
{
float gl_ClipDistance[1];
} gl_in[];

3
Test/baseResults/150.tesc.out
View File

@ -453,7 +453,6 @@ ERROR: 0:47: 'patch' : cannot use interpolation qualifiers with patch
ERROR: 0:48: 'patch' : cannot use interpolation qualifiers with patch
ERROR: 0:49: 'patch' : cannot use interpolation qualifiers with patch
ERROR: 0:50: '' : can only have one auxiliary qualifier (centroid, patch, and sample)
ERROR: 0:54: 'gl_PerVertex' : block already declared with size, can't redeclare as unsized
ERROR: 0:59: 'gl_PerVertex' : can only redeclare a built-in block once, and before any use
ERROR: 0:64: 'quads' : cannot apply to 'out'
ERROR: 0:64: 'cw' : can only apply to 'in'
@ -473,7 +472,7 @@ ERROR: 0:99: 'location' : overlapping use of location 24
ERROR: 0:101: 'gl_TessLevelOuter' : identifiers starting with "gl_" are reserved
ERROR: 0:109: 'gl_DeviceIndex' : required extension not requested: GL_EXT_device_group
ERROR: 0:110: 'gl_ViewIndex' : required extension not requested: GL_EXT_multiview
ERROR: 32 compilation errors. No code generated.
ERROR: 31 compilation errors. No code generated.
Shader version: 400

3
Test/baseResults/310.tese.out
View File

@ -25,7 +25,6 @@ ERROR: 0:53: 'noperspective' : not supported for this version or the enabled ext
ERROR: 0:53: 'patch' : cannot use interpolation qualifiers with patch
ERROR: 0:54: 'sample' : Reserved word.
ERROR: 0:54: '' : can only have one auxiliary qualifier (centroid, patch, and sample)
ERROR: 0:58: 'gl_PerVertex' : block already declared with size, can't redeclare as unsized
ERROR: 0:63: 'gl_PerVertex' : can only redeclare a built-in block once, and before any use
ERROR: 0:68: 'quads' : cannot apply to 'out'
ERROR: 0:68: 'cw' : can only apply to 'in'
@ -47,7 +46,7 @@ ERROR: 0:113: 'sample' : Reserved word.
ERROR: 0:119: 'gl_PointSize' : no such field in structure
ERROR: 0:119: '=' : cannot convert from ' temp block{ in highp 4-component vector of float Position gl_Position}' to ' temp highp float'
ERROR: 0:127: 'gl_BoundingBoxOES' : undeclared identifier
ERROR: 44 compilation errors. No code generated.
ERROR: 43 compilation errors. No code generated.
Shader version: 310

3
Test/baseResults/320.tese.out
View File

@ -24,7 +24,6 @@ ERROR: 0:49: 'noperspective' : Reserved word.
ERROR: 0:49: 'noperspective' : not supported for this version or the enabled extensions
ERROR: 0:49: 'patch' : cannot use interpolation qualifiers with patch
ERROR: 0:50: '' : can only have one auxiliary qualifier (centroid, patch, and sample)
ERROR: 0:54: 'gl_PerVertex' : block already declared with size, can't redeclare as unsized
ERROR: 0:59: 'gl_PerVertex' : can only redeclare a built-in block once, and before any use
ERROR: 0:64: 'quads' : cannot apply to 'out'
ERROR: 0:64: 'cw' : can only apply to 'in'
@ -43,7 +42,7 @@ ERROR: 0:96: 'location' : overlapping use of location 24
ERROR: 0:99: 'location' : overlapping use of location 24
ERROR: 0:101: 'gl_TessLevelOuter' : identifiers starting with "gl_" are reserved
ERROR: 0:113: 'gl_BoundingBoxOES' : undeclared identifier
ERROR: 40 compilation errors. No code generated.
ERROR: 39 compilation errors. No code generated.
Shader version: 320

3
Test/baseResults/400.tese.out
View File

@ -11,7 +11,6 @@ ERROR: 0:47: 'patch' : cannot use interpolation qualifiers with patch
ERROR: 0:48: 'patch' : cannot use interpolation qualifiers with patch
ERROR: 0:49: 'patch' : cannot use interpolation qualifiers with patch
ERROR: 0:50: '' : can only have one auxiliary qualifier (centroid, patch, and sample)
ERROR: 0:54: 'gl_PerVertex' : block already declared with size, can't redeclare as unsized
ERROR: 0:59: 'gl_PerVertex' : can only redeclare a built-in block once, and before any use
ERROR: 0:64: 'quads' : cannot apply to 'out'
ERROR: 0:64: 'cw' : can only apply to 'in'
@ -31,7 +30,7 @@ ERROR: 0:99: 'location' : overlapping use of location 24
ERROR: 0:101: 'gl_TessLevelOuter' : identifiers starting with "gl_" are reserved
ERROR: 0:109: 'gl_DeviceIndex' : required extension not requested: GL_EXT_device_group
ERROR: 0:110: 'gl_ViewIndex' : required extension not requested: GL_EXT_multiview
ERROR: 32 compilation errors. No code generated.
ERROR: 31 compilation errors. No code generated.
Shader version: 400

24
glslang/MachineIndependent/ParseHelper.cpp
View File

@ -3508,7 +3508,8 @@ TSymbol* TParseContext::redeclareBuiltinVariable(const TSourceLoc& loc, const TS
// Either redeclare the requested block, or give an error message why it can't be done.
//
// TODO: functionality: explicitly sizing members of redeclared blocks is not giving them an explicit size
void TParseContext::redeclareBuiltinBlock(const TSourceLoc& loc, TTypeList& newTypeList, const TString& blockName, const TString* instanceName, TArraySizes* arraySizes)
void TParseContext::redeclareBuiltinBlock(const TSourceLoc& loc, TTypeList& newTypeList, const TString& blockName,
const TString* instanceName, TArraySizes* arraySizes)
{
const char* feature = "built-in block redeclaration";
profileRequires(loc, EEsProfile, 320, Num_AEP_shader_io_blocks, AEP_shader_io_blocks, feature);
@ -3662,15 +3663,24 @@ void TParseContext::redeclareBuiltinBlock(const TSourceLoc& loc, TTypeList& newT
if (numOriginalMembersFound < newTypeList.size())
error(loc, "block redeclaration has extra members", blockName.c_str(), "");
if (type.isArray() != (arraySizes != nullptr))
if (type.isArray() != (arraySizes != nullptr) ||
(type.isArray() && arraySizes != nullptr && type.getArraySizes()->getNumDims() != arraySizes->getNumDims()))
error(loc, "cannot change arrayness of redeclared block", blockName.c_str(), "");
else if (type.isArray()) {
if (type.isSizedArray() && !arraySizes->isSized())
error(loc, "block already declared with size, can't redeclare as unsized", blockName.c_str(), "");
else if (type.isSizedArray() && *type.getArraySizes() != *arraySizes)
error(loc, "cannot change array size of redeclared block", blockName.c_str(), "");
else if (!type.isSizedArray() && arraySizes->isSized())
// At this point, we know both are arrays and both have the same number of dimensions.
// It is okay for a built-in block redeclaration to be unsized, and keep the size of the
// original block declaration.
if (!arraySizes->isSized() && type.isSizedArray())
arraySizes->changeOuterSize(type.getOuterArraySize());
// And, okay to be giving a size to the array, by the redeclaration
if (!type.isSizedArray() && arraySizes->isSized())
type.changeOuterArraySize(arraySizes->getOuterSize());
// Now, they must match in all dimensions.
if (type.isSizedArray() && *type.getArraySizes() != *arraySizes)
error(loc, "cannot change array size of redeclared block", blockName.c_str(), "");
}
symbolTable.insert(*block);