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Implement barrier() control-flow rules: in flow control, non-main, and post-return.

Browse Source 
git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@29347 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2015-01-07 06:14:06 +00:00
parent cbc7dd979a
commit 05a62bf528
8 changed files with 426 additions and 181 deletions
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27
Test/400.tesc
View File

@ -34,6 +34,31 @@ void main()
gl_TessLevelOuter[3] = 3.2;
gl_TessLevelInner[1] = 1.3;
if (a > 10)
barrier(); // ERROR
else
barrier(); // ERROR
barrier();
do {
barrier(); // ERROR
} while (a > 10);
switch (a) {
default:
barrier(); // ERROR
break;
}
{
barrier();
}
return;
barrier(); // ERROR
}
layout(vertices = 4) in; // ERROR
@ -42,6 +67,8 @@ layout(vertices = 5) out; // ERROR
void foo()
{
gl_out[4].gl_PointSize; // ERROR
barrier(); // ERROR
}
in vec2 ina; // ERROR, not array

5
Test/430.comp
View File

@ -34,6 +34,10 @@ void main()
memoryBarrierImage();
groupMemoryBarrier();
value = int(values[gl_LocalInvocationIndex]);
int a;
if (a > 10)
barrier();
}
layout(location = 2) in vec3 v3; // ERROR
@ -60,4 +64,5 @@ void foo()
{
ro.values[2] = 4.7; // ERROR, readonly
ro.values.length();
barrier();
}

198
Test/baseResults/150.tesc.out
View File

@ -219,14 +219,20 @@ ERROR: 0:6: 'quads' : unrecognized layout identifier, or qualifier requires assi
ERROR: 0:7: 'ccw' : unrecognized layout identifier, or qualifier requires assignment (e.g., binding = 4)
ERROR: 0:8: 'fractional_even_spacing' : unrecognized layout identifier, or qualifier requires assignment (e.g., binding = 4)
ERROR: 0:10: 'patch' : can only use on output in tessellation-control shader
ERROR: 0:39: 'vertices' : can only apply to 'out'
ERROR: 0:40: 'vertices' : cannot change previously set layout value
ERROR: 0:44: '[' : array index out of range '4'
ERROR: 0:47: 'in' : type must be an array: ina
ERROR: 0:49: '[]' : tessellation input array size must be gl_MaxPatchVertices or implicitly sized
ERROR: 0:56: 'location' : overlapping use of location 4
ERROR: 0:60: 'location' : overlapping use of location 4
ERROR: 11 compilation errors. No code generated.
ERROR: 0:39: '' : tessellation control barrier() cannot be placed within flow control
ERROR: 0:41: '' : tessellation control barrier() cannot be placed within flow control
ERROR: 0:46: '' : tessellation control barrier() cannot be placed within flow control
ERROR: 0:51: '' : tessellation control barrier() cannot be placed within flow control
ERROR: 0:61: '' : tessellation control barrier() cannot be placed after a return from main()
ERROR: 0:64: 'vertices' : can only apply to 'out'
ERROR: 0:65: 'vertices' : cannot change previously set layout value
ERROR: 0:69: '[' : array index out of range '4'
ERROR: 0:71: '' : tessellation control barrier() must be in main()
ERROR: 0:74: 'in' : type must be an array: ina
ERROR: 0:76: '[]' : tessellation input array size must be gl_MaxPatchVertices or implicitly sized
ERROR: 0:83: 'location' : overlapping use of location 4
ERROR: 0:87: 'location' : overlapping use of location 4
ERROR: 17 compilation errors. No code generated.
Shader version: 400
@ -331,34 +337,68 @@ ERROR: node is still EOpNull!
0:36 1 (const int)
0:36 Constant:
0:36 1.300000
0:42 Function Definition: foo( (void)
0:42 Function Parameters:
0:44 Sequence
0:44 gl_PointSize: direct index for structure (out float)
0:44 direct index (block{out 4-component vector of float gl_Position, out float gl_PointSize, out implicitly-sized array of float gl_ClipDistance})
0:44 'gl_out' (out 4-element array of block{out 4-component vector of float gl_Position, out float gl_PointSize, out implicitly-sized array of float gl_ClipDistance})
0:44 Constant:
0:44 4 (const int)
0:44 Constant:
0:44 1 (const int)
0:64 Function Definition: foop( (void)
0:64 Function Parameters:
0:38 Test condition and select (void)
0:38 Condition
0:38 Compare Greater Than (bool)
0:38 'a' (int)
0:38 Constant:
0:38 10 (const int)
0:38 true case
0:39 Barrier (void)
0:38 false case
0:41 Barrier (void)
0:43 Barrier (void)
0:47 Loop with condition not tested first
0:47 Loop Condition
0:47 Compare Greater Than (bool)
0:47 'a' (int)
0:47 Constant:
0:47 10 (const int)
0:47 Loop Body
0:46 Sequence
0:46 Barrier (void)
0:49 switch
0:49 condition
0:49 'a' (int)
0:49 body
0:49 Sequence
0:50 default:
0:? Sequence
0:51 Barrier (void)
0:52 Branch: Break
0:56 Sequence
0:56 Barrier (void)
0:59 Branch: Return
0:61 Barrier (void)
0:67 Function Definition: foo( (void)
0:67 Function Parameters:
0:69 Sequence
0:69 gl_PointSize: direct index for structure (out float)
0:69 direct index (block{out 4-component vector of float gl_Position, out float gl_PointSize, out implicitly-sized array of float gl_ClipDistance})
0:69 'gl_out' (out 4-element array of block{out 4-component vector of float gl_Position, out float gl_PointSize, out implicitly-sized array of float gl_ClipDistance})
0:69 Constant:
0:69 4 (const int)
0:69 Constant:
0:69 1 (const int)
0:71 Barrier (void)
0:91 Function Definition: foop( (void)
0:91 Function Parameters:
0:? Sequence
0:68 multiply second child into first child (3-component vector of float)
0:68 'pv3' (3-component vector of float)
0:68 'pv3' (3-component vector of float)
0:69 move second child to first child (3-component vector of float)
0:69 'pv3' (3-component vector of float)
0:69 Function Call: fma(vf3;vf3;vf3; (3-component vector of float)
0:69 'pv3' (3-component vector of float)
0:69 'pv3' (3-component vector of float)
0:69 'pv3' (3-component vector of float)
0:70 move second child to first child (double)
0:70 'd' (double)
0:70 Function Call: fma(d1;d1;d1; (double)
0:70 'd' (double)
0:70 'd' (double)
0:70 'd' (double)
0:95 multiply second child into first child (3-component vector of float)
0:95 'pv3' (3-component vector of float)
0:95 'pv3' (3-component vector of float)
0:96 move second child to first child (3-component vector of float)
0:96 'pv3' (3-component vector of float)
0:96 Function Call: fma(vf3;vf3;vf3; (3-component vector of float)
0:96 'pv3' (3-component vector of float)
0:96 'pv3' (3-component vector of float)
0:96 'pv3' (3-component vector of float)
0:97 move second child to first child (double)
0:97 'd' (double)
0:97 Function Call: fma(d1;d1;d1; (double)
0:97 'd' (double)
0:97 'd' (double)
0:97 'd' (double)
0:? Linker Objects
0:? 'gl_out' (out 4-element array of block{out 4-component vector of float gl_Position, out float gl_PointSize, out implicitly-sized array of float gl_ClipDistance})
0:? 'outa' (4-element array of int)
@ -1031,34 +1071,68 @@ vertices = 4
0:36 1 (const int)
0:36 Constant:
0:36 1.300000
0:42 Function Definition: foo( (void)
0:42 Function Parameters:
0:44 Sequence
0:44 gl_PointSize: direct index for structure (out float)
0:44 direct index (block{out 4-component vector of float gl_Position, out float gl_PointSize, out 1-element array of float gl_ClipDistance})
0:44 'gl_out' (out 4-element array of block{out 4-component vector of float gl_Position, out float gl_PointSize, out 1-element array of float gl_ClipDistance})
0:44 Constant:
0:44 4 (const int)
0:44 Constant:
0:44 1 (const int)
0:64 Function Definition: foop( (void)
0:64 Function Parameters:
0:38 Test condition and select (void)
0:38 Condition
0:38 Compare Greater Than (bool)
0:38 'a' (int)
0:38 Constant:
0:38 10 (const int)
0:38 true case
0:39 Barrier (void)
0:38 false case
0:41 Barrier (void)
0:43 Barrier (void)
0:47 Loop with condition not tested first
0:47 Loop Condition
0:47 Compare Greater Than (bool)
0:47 'a' (int)
0:47 Constant:
0:47 10 (const int)
0:47 Loop Body
0:46 Sequence
0:46 Barrier (void)
0:49 switch
0:49 condition
0:49 'a' (int)
0:49 body
0:49 Sequence
0:50 default:
0:? Sequence
0:51 Barrier (void)
0:52 Branch: Break
0:56 Sequence
0:56 Barrier (void)
0:59 Branch: Return
0:61 Barrier (void)
0:67 Function Definition: foo( (void)
0:67 Function Parameters:
0:69 Sequence
0:69 gl_PointSize: direct index for structure (out float)
0:69 direct index (block{out 4-component vector of float gl_Position, out float gl_PointSize, out 1-element array of float gl_ClipDistance})
0:69 'gl_out' (out 4-element array of block{out 4-component vector of float gl_Position, out float gl_PointSize, out 1-element array of float gl_ClipDistance})
0:69 Constant:
0:69 4 (const int)
0:69 Constant:
0:69 1 (const int)
0:71 Barrier (void)
0:91 Function Definition: foop( (void)
0:91 Function Parameters:
0:? Sequence
0:68 multiply second child into first child (3-component vector of float)
0:68 'pv3' (3-component vector of float)
0:68 'pv3' (3-component vector of float)
0:69 move second child to first child (3-component vector of float)
0:69 'pv3' (3-component vector of float)
0:69 Function Call: fma(vf3;vf3;vf3; (3-component vector of float)
0:69 'pv3' (3-component vector of float)
0:69 'pv3' (3-component vector of float)
0:69 'pv3' (3-component vector of float)
0:70 move second child to first child (double)
0:70 'd' (double)
0:70 Function Call: fma(d1;d1;d1; (double)
0:70 'd' (double)
0:70 'd' (double)
0:70 'd' (double)
0:95 multiply second child into first child (3-component vector of float)
0:95 'pv3' (3-component vector of float)
0:95 'pv3' (3-component vector of float)
0:96 move second child to first child (3-component vector of float)
0:96 'pv3' (3-component vector of float)
0:96 Function Call: fma(vf3;vf3;vf3; (3-component vector of float)
0:96 'pv3' (3-component vector of float)
0:96 'pv3' (3-component vector of float)
0:96 'pv3' (3-component vector of float)
0:97 move second child to first child (double)
0:97 'd' (double)
0:97 Function Call: fma(d1;d1;d1; (double)
0:97 'd' (double)
0:97 'd' (double)
0:97 'd' (double)
0:8 Function Definition: main( (void)
0:8 Function Parameters:
0:15 Function Definition: main( (void)

198
Test/baseResults/400.tesc.out
View File

@ -4,14 +4,20 @@ ERROR: 0:6: 'quads' : unrecognized layout identifier, or qualifier requires assi
ERROR: 0:7: 'ccw' : unrecognized layout identifier, or qualifier requires assignment (e.g., binding = 4)
ERROR: 0:8: 'fractional_even_spacing' : unrecognized layout identifier, or qualifier requires assignment (e.g., binding = 4)
ERROR: 0:10: 'patch' : can only use on output in tessellation-control shader
ERROR: 0:39: 'vertices' : can only apply to 'out'
ERROR: 0:40: 'vertices' : cannot change previously set layout value
ERROR: 0:44: '[' : array index out of range '4'
ERROR: 0:47: 'in' : type must be an array: ina
ERROR: 0:49: '[]' : tessellation input array size must be gl_MaxPatchVertices or implicitly sized
ERROR: 0:56: 'location' : overlapping use of location 4
ERROR: 0:60: 'location' : overlapping use of location 4
ERROR: 11 compilation errors. No code generated.
ERROR: 0:39: '' : tessellation control barrier() cannot be placed within flow control
ERROR: 0:41: '' : tessellation control barrier() cannot be placed within flow control
ERROR: 0:46: '' : tessellation control barrier() cannot be placed within flow control
ERROR: 0:51: '' : tessellation control barrier() cannot be placed within flow control
ERROR: 0:61: '' : tessellation control barrier() cannot be placed after a return from main()
ERROR: 0:64: 'vertices' : can only apply to 'out'
ERROR: 0:65: 'vertices' : cannot change previously set layout value
ERROR: 0:69: '[' : array index out of range '4'
ERROR: 0:71: '' : tessellation control barrier() must be in main()
ERROR: 0:74: 'in' : type must be an array: ina
ERROR: 0:76: '[]' : tessellation input array size must be gl_MaxPatchVertices or implicitly sized
ERROR: 0:83: 'location' : overlapping use of location 4
ERROR: 0:87: 'location' : overlapping use of location 4
ERROR: 17 compilation errors. No code generated.
Shader version: 400
@ -116,34 +122,68 @@ ERROR: node is still EOpNull!
0:36 1 (const int)
0:36 Constant:
0:36 1.300000
0:42 Function Definition: foo( (void)
0:42 Function Parameters:
0:44 Sequence
0:44 gl_PointSize: direct index for structure (out float)
0:44 direct index (block{out 4-component vector of float gl_Position, out float gl_PointSize, out implicitly-sized array of float gl_ClipDistance})
0:44 'gl_out' (out 4-element array of block{out 4-component vector of float gl_Position, out float gl_PointSize, out implicitly-sized array of float gl_ClipDistance})
0:44 Constant:
0:44 4 (const int)
0:44 Constant:
0:44 1 (const int)
0:64 Function Definition: foop( (void)
0:64 Function Parameters:
0:38 Test condition and select (void)
0:38 Condition
0:38 Compare Greater Than (bool)
0:38 'a' (int)
0:38 Constant:
0:38 10 (const int)
0:38 true case
0:39 Barrier (void)
0:38 false case
0:41 Barrier (void)
0:43 Barrier (void)
0:47 Loop with condition not tested first
0:47 Loop Condition
0:47 Compare Greater Than (bool)
0:47 'a' (int)
0:47 Constant:
0:47 10 (const int)
0:47 Loop Body
0:46 Sequence
0:46 Barrier (void)
0:49 switch
0:49 condition
0:49 'a' (int)
0:49 body
0:49 Sequence
0:50 default:
0:? Sequence
0:51 Barrier (void)
0:52 Branch: Break
0:56 Sequence
0:56 Barrier (void)
0:59 Branch: Return
0:61 Barrier (void)
0:67 Function Definition: foo( (void)
0:67 Function Parameters:
0:69 Sequence
0:69 gl_PointSize: direct index for structure (out float)
0:69 direct index (block{out 4-component vector of float gl_Position, out float gl_PointSize, out implicitly-sized array of float gl_ClipDistance})
0:69 'gl_out' (out 4-element array of block{out 4-component vector of float gl_Position, out float gl_PointSize, out implicitly-sized array of float gl_ClipDistance})
0:69 Constant:
0:69 4 (const int)
0:69 Constant:
0:69 1 (const int)
0:71 Barrier (void)
0:91 Function Definition: foop( (void)
0:91 Function Parameters:
0:? Sequence
0:68 multiply second child into first child (3-component vector of float)
0:68 'pv3' (3-component vector of float)
0:68 'pv3' (3-component vector of float)
0:69 move second child to first child (3-component vector of float)
0:69 'pv3' (3-component vector of float)
0:69 Function Call: fma(vf3;vf3;vf3; (3-component vector of float)
0:69 'pv3' (3-component vector of float)
0:69 'pv3' (3-component vector of float)
0:69 'pv3' (3-component vector of float)
0:70 move second child to first child (double)
0:70 'd' (double)
0:70 Function Call: fma(d1;d1;d1; (double)
0:70 'd' (double)
0:70 'd' (double)
0:70 'd' (double)
0:95 multiply second child into first child (3-component vector of float)
0:95 'pv3' (3-component vector of float)
0:95 'pv3' (3-component vector of float)
0:96 move second child to first child (3-component vector of float)
0:96 'pv3' (3-component vector of float)
0:96 Function Call: fma(vf3;vf3;vf3; (3-component vector of float)
0:96 'pv3' (3-component vector of float)
0:96 'pv3' (3-component vector of float)
0:96 'pv3' (3-component vector of float)
0:97 move second child to first child (double)
0:97 'd' (double)
0:97 Function Call: fma(d1;d1;d1; (double)
0:97 'd' (double)
0:97 'd' (double)
0:97 'd' (double)
0:? Linker Objects
0:? 'gl_out' (out 4-element array of block{out 4-component vector of float gl_Position, out float gl_PointSize, out implicitly-sized array of float gl_ClipDistance})
0:? 'outa' (4-element array of int)
@ -268,34 +308,68 @@ ERROR: node is still EOpNull!
0:36 1 (const int)
0:36 Constant:
0:36 1.300000
0:42 Function Definition: foo( (void)
0:42 Function Parameters:
0:44 Sequence
0:44 gl_PointSize: direct index for structure (out float)
0:44 direct index (block{out 4-component vector of float gl_Position, out float gl_PointSize, out 1-element array of float gl_ClipDistance})
0:44 'gl_out' (out 4-element array of block{out 4-component vector of float gl_Position, out float gl_PointSize, out 1-element array of float gl_ClipDistance})
0:44 Constant:
0:44 4 (const int)
0:44 Constant:
0:44 1 (const int)
0:64 Function Definition: foop( (void)
0:64 Function Parameters:
0:38 Test condition and select (void)
0:38 Condition
0:38 Compare Greater Than (bool)
0:38 'a' (int)
0:38 Constant:
0:38 10 (const int)
0:38 true case
0:39 Barrier (void)
0:38 false case
0:41 Barrier (void)
0:43 Barrier (void)
0:47 Loop with condition not tested first
0:47 Loop Condition
0:47 Compare Greater Than (bool)
0:47 'a' (int)
0:47 Constant:
0:47 10 (const int)
0:47 Loop Body
0:46 Sequence
0:46 Barrier (void)
0:49 switch
0:49 condition
0:49 'a' (int)
0:49 body
0:49 Sequence
0:50 default:
0:? Sequence
0:51 Barrier (void)
0:52 Branch: Break
0:56 Sequence
0:56 Barrier (void)
0:59 Branch: Return
0:61 Barrier (void)
0:67 Function Definition: foo( (void)
0:67 Function Parameters:
0:69 Sequence
0:69 gl_PointSize: direct index for structure (out float)
0:69 direct index (block{out 4-component vector of float gl_Position, out float gl_PointSize, out 1-element array of float gl_ClipDistance})
0:69 'gl_out' (out 4-element array of block{out 4-component vector of float gl_Position, out float gl_PointSize, out 1-element array of float gl_ClipDistance})
0:69 Constant:
0:69 4 (const int)
0:69 Constant:
0:69 1 (const int)
0:71 Barrier (void)
0:91 Function Definition: foop( (void)
0:91 Function Parameters:
0:? Sequence
0:68 multiply second child into first child (3-component vector of float)
0:68 'pv3' (3-component vector of float)
0:68 'pv3' (3-component vector of float)
0:69 move second child to first child (3-component vector of float)
0:69 'pv3' (3-component vector of float)
0:69 Function Call: fma(vf3;vf3;vf3; (3-component vector of float)
0:69 'pv3' (3-component vector of float)
0:69 'pv3' (3-component vector of float)
0:69 'pv3' (3-component vector of float)
0:70 move second child to first child (double)
0:70 'd' (double)
0:70 Function Call: fma(d1;d1;d1; (double)
0:70 'd' (double)
0:70 'd' (double)
0:70 'd' (double)
0:95 multiply second child into first child (3-component vector of float)
0:95 'pv3' (3-component vector of float)
0:95 'pv3' (3-component vector of float)
0:96 move second child to first child (3-component vector of float)
0:96 'pv3' (3-component vector of float)
0:96 Function Call: fma(vf3;vf3;vf3; (3-component vector of float)
0:96 'pv3' (3-component vector of float)
0:96 'pv3' (3-component vector of float)
0:96 'pv3' (3-component vector of float)
0:97 move second child to first child (double)
0:97 'd' (double)
0:97 Function Call: fma(d1;d1;d1; (double)
0:97 'd' (double)
0:97 'd' (double)
0:97 'd' (double)
0:? Linker Objects
0:? 'gl_out' (out 4-element array of block{out 4-component vector of float gl_Position, out float gl_PointSize, out 1-element array of float gl_ClipDistance})
0:? 'outa' (4-element array of int)

112
Test/baseResults/430.comp.out
View File

@ -3,17 +3,17 @@ Warning, version 430 is not yet complete; most version-specific features are pre
ERROR: 0:4: 'local_size' : cannot change previously set size
ERROR: 0:5: 'local_size' : too large; see gl_MaxComputeWorkGroupSize
ERROR: 0:23: 'values' : only the last member of a buffer block can be run-time sized
ERROR: 0:39: 'in' : global storage input qualifier cannot be used in a compute shader
ERROR: 0:39: 'location qualifier on input' : not supported in this stage: compute
ERROR: 0:40: 'in' : global storage input qualifier cannot be used in a compute shader
ERROR: 0:41: 'out' : global storage output qualifier cannot be used in a compute shader
ERROR: 0:44: 'shared' : cannot apply layout qualifiers to a shared variable
ERROR: 0:44: 'location' : can only appy to uniform, buffer, in, or out storage qualifiers
ERROR: 0:45: 'shared' : cannot initialize this type of qualifier
ERROR: 0:47: 'local_size' : can only apply to 'in'
ERROR: 0:47: 'local_size' : can only apply to 'in'
ERROR: 0:47: 'local_size' : can only apply to 'in'
ERROR: 0:61: 'assign' : l-value required "ro" (can't modify a readonly buffer)
ERROR: 0:43: 'in' : global storage input qualifier cannot be used in a compute shader
ERROR: 0:43: 'location qualifier on input' : not supported in this stage: compute
ERROR: 0:44: 'in' : global storage input qualifier cannot be used in a compute shader
ERROR: 0:45: 'out' : global storage output qualifier cannot be used in a compute shader
ERROR: 0:48: 'shared' : cannot apply layout qualifiers to a shared variable
ERROR: 0:48: 'location' : can only appy to uniform, buffer, in, or out storage qualifiers
ERROR: 0:49: 'shared' : cannot initialize this type of qualifier
ERROR: 0:51: 'local_size' : can only apply to 'in'
ERROR: 0:51: 'local_size' : can only apply to 'in'
ERROR: 0:51: 'local_size' : can only apply to 'in'
ERROR: 0:65: 'assign' : l-value required "ro" (can't modify a readonly buffer)
ERROR: 14 compilation errors. No code generated.
@ -42,24 +42,33 @@ ERROR: node is still EOpNull!
0:36 Constant:
0:36 1 (const uint)
0:36 'gl_LocalInvocationIndex' (in uint)
0:59 Function Definition: foo( (void)
0:59 Function Parameters:
0:61 Sequence
0:61 move second child to first child (float)
0:61 direct index (layout(column_major shared ) float)
0:61 values: direct index for structure (layout(column_major shared ) buffer implicitly-sized array of float)
0:61 'ro' (layout(column_major shared ) readonly buffer block{layout(column_major shared ) buffer int value, layout(column_major shared ) buffer implicitly-sized array of float values})
0:61 Constant:
0:61 1 (const int)
0:61 Constant:
0:61 2 (const int)
0:61 Constant:
0:61 4.700000
0:62 array length (int)
0:62 values: direct index for structure (layout(column_major shared ) buffer implicitly-sized array of float)
0:62 'ro' (layout(column_major shared ) readonly buffer block{layout(column_major shared ) buffer int value, layout(column_major shared ) buffer implicitly-sized array of float values})
0:62 Constant:
0:62 1 (const int)
0:39 Test condition and select (void)
0:39 Condition
0:39 Compare Greater Than (bool)
0:39 'a' (int)
0:39 Constant:
0:39 10 (const int)
0:39 true case
0:40 Barrier (void)
0:63 Function Definition: foo( (void)
0:63 Function Parameters:
0:65 Sequence
0:65 move second child to first child (float)
0:65 direct index (layout(column_major shared ) float)
0:65 values: direct index for structure (layout(column_major shared ) buffer implicitly-sized array of float)
0:65 'ro' (layout(column_major shared ) readonly buffer block{layout(column_major shared ) buffer int value, layout(column_major shared ) buffer implicitly-sized array of float values})
0:65 Constant:
0:65 1 (const int)
0:65 Constant:
0:65 2 (const int)
0:65 Constant:
0:65 4.700000
0:66 array length (int)
0:66 values: direct index for structure (layout(column_major shared ) buffer implicitly-sized array of float)
0:66 'ro' (layout(column_major shared ) readonly buffer block{layout(column_major shared ) buffer int value, layout(column_major shared ) buffer implicitly-sized array of float values})
0:66 Constant:
0:66 1 (const int)
0:67 Barrier (void)
0:? Linker Objects
0:? 'gl_WorkGroupSize' (const 3-component vector of uint)
0:? 2 (const uint)
@ -109,24 +118,33 @@ ERROR: node is still EOpNull!
0:36 Constant:
0:36 1 (const uint)
0:36 'gl_LocalInvocationIndex' (in uint)
0:59 Function Definition: foo( (void)
0:59 Function Parameters:
0:61 Sequence
0:61 move second child to first child (float)
0:61 direct index (layout(column_major shared ) float)
0:61 values: direct index for structure (layout(column_major shared ) buffer implicitly-sized array of float)
0:61 'ro' (layout(column_major shared ) readonly buffer block{layout(column_major shared ) buffer int value, layout(column_major shared ) buffer implicitly-sized array of float values})
0:61 Constant:
0:61 1 (const int)
0:61 Constant:
0:61 2 (const int)
0:61 Constant:
0:61 4.700000
0:62 array length (int)
0:62 values: direct index for structure (layout(column_major shared ) buffer implicitly-sized array of float)
0:62 'ro' (layout(column_major shared ) readonly buffer block{layout(column_major shared ) buffer int value, layout(column_major shared ) buffer implicitly-sized array of float values})
0:62 Constant:
0:62 1 (const int)
0:39 Test condition and select (void)
0:39 Condition
0:39 Compare Greater Than (bool)
0:39 'a' (int)
0:39 Constant:
0:39 10 (const int)
0:39 true case
0:40 Barrier (void)
0:63 Function Definition: foo( (void)
0:63 Function Parameters:
0:65 Sequence
0:65 move second child to first child (float)
0:65 direct index (layout(column_major shared ) float)
0:65 values: direct index for structure (layout(column_major shared ) buffer implicitly-sized array of float)
0:65 'ro' (layout(column_major shared ) readonly buffer block{layout(column_major shared ) buffer int value, layout(column_major shared ) buffer implicitly-sized array of float values})
0:65 Constant:
0:65 1 (const int)
0:65 Constant:
0:65 2 (const int)
0:65 Constant:
0:65 4.700000
0:66 array length (int)
0:66 values: direct index for structure (layout(column_major shared ) buffer implicitly-sized array of float)
0:66 'ro' (layout(column_major shared ) readonly buffer block{layout(column_major shared ) buffer int value, layout(column_major shared ) buffer implicitly-sized array of float values})
0:66 Constant:
0:66 1 (const int)
0:67 Barrier (void)
0:? Linker Objects
0:? 'gl_WorkGroupSize' (const 3-component vector of uint)
0:? 2 (const uint)

29
glslang/MachineIndependent/ParseHelper.cpp
View File

@ -51,7 +51,8 @@ TParseContext::TParseContext(TSymbolTable& symt, TIntermediate& interm, bool pb,
bool fc, EShMessages m) :
intermediate(interm), symbolTable(symt), infoSink(is), language(L),
version(v), profile(p), forwardCompatible(fc), messages(m),
contextPragma(true, false), loopNestingLevel(0), controlFlowNestingLevel(0), structNestingLevel(0),
contextPragma(true, false), loopNestingLevel(0), structNestingLevel(0), controlFlowNestingLevel(0), statementNestingLevel(0),
postMainReturn(false),
tokensBeforeEOF(false), limits(resources.limits), currentScanner(0),
numErrors(0), parsingBuiltins(pb), afterEOF(false),
atomicUintOffsets(0), anyIndexLimits(false)
@ -915,7 +916,9 @@ TIntermAggregate* TParseContext::handleFunctionDefinition(TSourceLoc loc, TFunct
if (function.getType().getBasicType() != EbtVoid)
error(loc, "", function.getType().getBasicTypeString().c_str(), "main function cannot return a value");
intermediate.addMainCount();
}
inMain = true;
} else
inMain = false;
//
// New symbol table scope for body of function plus its arguments
@ -953,7 +956,9 @@ TIntermAggregate* TParseContext::handleFunctionDefinition(TSourceLoc loc, TFunct
}
intermediate.setAggregateOperator(paramNodes, EOpParameters, TType(EbtVoid), loc);
loopNestingLevel = 0;
statementNestingLevel = 0;
controlFlowNestingLevel = 0;
postMainReturn = false;
return paramNodes;
}
@ -1045,6 +1050,7 @@ TIntermTyped* TParseContext::handleFunctionCall(TSourceLoc loc, TFunction* funct
op = fnCandidate->getBuiltInOp();
if (builtIn && op != EOpNull) {
// A function call mapped to a built-in operation.
checkLocation(loc, op);
result = intermediate.addBuiltInFunctionCall(loc, op, fnCandidate->getParamCount() == 1, arguments, fnCandidate->getType());
if (result == 0) {
error(arguments->getLoc(), " wrong operand type", "Internal Error",
@ -1091,6 +1097,25 @@ TIntermTyped* TParseContext::handleFunctionCall(TSourceLoc loc, TFunction* funct
return result;
}
// See if the operation is being done in an illegal location.
void TParseContext::checkLocation(TSourceLoc loc, TOperator op)
{
switch (op) {
case EOpBarrier:
if (language == EShLangTessControl) {
if (controlFlowNestingLevel > 0)
error(loc, "tessellation control barrier() cannot be placed within flow control", "", "");
if (! inMain)
error(loc, "tessellation control barrier() must be in main()", "", "");
else if (postMainReturn)
error(loc, "tessellation control barrier() cannot be placed after a return from main()", "", "");
}
break;
default:
break;
}
}
// Finish processing object.length(). This started earlier in handleDotDereference(), where
// the ".length" part was recognized and semantically checked, and finished here where the
// function syntax "()" is recognized.

8
glslang/MachineIndependent/ParseHelper.h
View File

@ -101,6 +101,7 @@ public:
TFunction* handleFunctionDeclarator(TSourceLoc loc, TFunction& function, bool prototype);
TIntermAggregate* handleFunctionDefinition(TSourceLoc, TFunction&);
TIntermTyped* handleFunctionCall(TSourceLoc, TFunction*, TIntermNode*);
void checkLocation(TSourceLoc, TOperator);
TIntermTyped* handleLengthMethod(TSourceLoc, TFunction*, TIntermNode*);
void addInputArgumentConversions(const TFunction&, TIntermNode*&) const;
TIntermTyped* addOutputArgumentConversions(const TFunction&, TIntermAggregate&) const;
@ -245,9 +246,12 @@ public:
struct TPragma contextPragma;
int loopNestingLevel; // 0 if outside all loops
int structNestingLevel; // 0 if outside blocks and structures
int controlFlowNestingLevel; // 0 if outside all flow control or compound statements; also counts compound statements
int controlFlowNestingLevel; // 0 if outside all flow control
int statementNestingLevel; // 0 if outside all flow control or compound statements
TList<TIntermSequence*> switchSequenceStack; // case, node, case, case, node, ...; ensure only one node between cases; stack of them for nesting
TList<int> switchLevel; // the controlFlowNestingLevel the current switch statement is at, which must match the level of its case statements
TList<int> switchLevel; // the statementNestingLevel the current switch statement is at, which must match the level of its case statements
bool inMain; // if inside a function, true if the function is main
bool postMainReturn; // if inside a function, true if the function is main and this is after a return statement
const TType* currentFunctionType; // the return type of the function that's currently being parsed
bool functionReturnsValue; // true if a non-void function has a return
const TString* blockName;

30
glslang/MachineIndependent/glslang.y
View File

@ -2065,11 +2065,11 @@ compound_statement
: LEFT_BRACE RIGHT_BRACE { $$ = 0; }
| LEFT_BRACE {
parseContext.symbolTable.push();
++parseContext.controlFlowNestingLevel;
++parseContext.statementNestingLevel;
}
statement_list {
parseContext.symbolTable.pop(&parseContext.defaultPrecision[0]);
--parseContext.controlFlowNestingLevel;
--parseContext.statementNestingLevel;
}
RIGHT_BRACE {
if ($3 && $3->getAsAggregate())
@ -2084,13 +2084,21 @@ statement_no_new_scope
;
statement_scoped
: compound_statement { $$ = $1; }
: {
++parseContext.controlFlowNestingLevel;
}
compound_statement {
--parseContext.controlFlowNestingLevel;
$$ = $2;
}
| {
parseContext.symbolTable.push();
++parseContext.statementNestingLevel;
++parseContext.controlFlowNestingLevel;
}
simple_statement {
parseContext.symbolTable.pop(&parseContext.defaultPrecision[0]);
--parseContext.statementNestingLevel;
--parseContext.controlFlowNestingLevel;
$$ = $2;
}
@ -2171,8 +2179,9 @@ switch_statement
: SWITCH LEFT_PAREN expression RIGHT_PAREN {
// start new switch sequence on the switch stack
++parseContext.controlFlowNestingLevel;
++parseContext.statementNestingLevel;
parseContext.switchSequenceStack.push_back(new TIntermSequence);
parseContext.switchLevel.push_back(parseContext.controlFlowNestingLevel);
parseContext.switchLevel.push_back(parseContext.statementNestingLevel);
parseContext.symbolTable.push();
}
LEFT_BRACE switch_statement_list RIGHT_BRACE {
@ -2181,6 +2190,7 @@ switch_statement
parseContext.switchSequenceStack.pop_back();
parseContext.switchLevel.pop_back();
parseContext.symbolTable.pop(&parseContext.defaultPrecision[0]);
--parseContext.statementNestingLevel;
--parseContext.controlFlowNestingLevel;
}
;
@ -2199,7 +2209,7 @@ case_label
$$ = 0;
if (parseContext.switchLevel.size() == 0)
parseContext.error($1.loc, "cannot appear outside switch statement", "case", "");
else if (parseContext.switchLevel.back() != parseContext.controlFlowNestingLevel)
else if (parseContext.switchLevel.back() != parseContext.statementNestingLevel)
parseContext.error($1.loc, "cannot be nested inside control flow", "case", "");
else {
parseContext.constantValueCheck($2, "case");
@ -2211,7 +2221,7 @@ case_label
$$ = 0;
if (parseContext.switchLevel.size() == 0)
parseContext.error($1.loc, "cannot appear outside switch statement", "default", "");
else if (parseContext.switchLevel.back() != parseContext.controlFlowNestingLevel)
else if (parseContext.switchLevel.back() != parseContext.statementNestingLevel)
parseContext.error($1.loc, "cannot be nested inside control flow", "default", "");
else
$$ = parseContext.intermediate.addBranch(EOpDefault, $1.loc);
@ -2224,16 +2234,19 @@ iteration_statement
parseContext.error($1.loc, "while loops not available", "limitation", "");
parseContext.symbolTable.push();
++parseContext.loopNestingLevel;
++parseContext.statementNestingLevel;
++parseContext.controlFlowNestingLevel;
}
condition RIGHT_PAREN statement_no_new_scope {
parseContext.symbolTable.pop(&parseContext.defaultPrecision[0]);
$$ = parseContext.intermediate.addLoop($6, $4, 0, true, $1.loc);
--parseContext.loopNestingLevel;
--parseContext.statementNestingLevel;
--parseContext.controlFlowNestingLevel;
}
| DO {
++parseContext.loopNestingLevel;
++parseContext.statementNestingLevel;
++parseContext.controlFlowNestingLevel;
}
statement WHILE LEFT_PAREN expression RIGHT_PAREN SEMICOLON {
@ -2244,11 +2257,13 @@ iteration_statement
$$ = parseContext.intermediate.addLoop($3, $6, 0, false, $4.loc);
--parseContext.loopNestingLevel;
--parseContext.statementNestingLevel;
--parseContext.controlFlowNestingLevel;
}
| FOR LEFT_PAREN {
parseContext.symbolTable.push();
++parseContext.loopNestingLevel;
++parseContext.statementNestingLevel;
++parseContext.controlFlowNestingLevel;
}
for_init_statement for_rest_statement RIGHT_PAREN statement_no_new_scope {
@ -2260,6 +2275,7 @@ iteration_statement
$$ = parseContext.intermediate.growAggregate($$, forLoop, $1.loc);
$$->getAsAggregate()->setOperator(EOpSequence);
--parseContext.loopNestingLevel;
--parseContext.statementNestingLevel;
--parseContext.controlFlowNestingLevel;
}
;
@ -2308,6 +2324,8 @@ jump_statement
$$ = parseContext.intermediate.addBranch(EOpReturn, $1.loc);
if (parseContext.currentFunctionType->getBasicType() != EbtVoid)
parseContext.error($1.loc, "non-void function must return a value", "return", "");
if (parseContext.inMain)
parseContext.postMainReturn = true;
}
| RETURN expression SEMICOLON {
parseContext.functionReturnsValue = true;