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Merge pull request #964 from dsrbecky/multiview

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Implement extensions GL_OVR_multiview and GL_OVR_multiview2
This commit is contained in:
John Kessenich 2017-06-30 16:39:32 -06:00 committed by GitHub
commit 994660208c
9 changed files with 135 additions and 6 deletions
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12
Test/300.vert
View File

@ -184,4 +184,16 @@ void fooDeeparray()
yp = y;
xp = y; // ERROR, wrong size
yp = x; // ERROR, wrong size
}
void mwErr()
{
gl_ViewID_OVR; // ERROR, no extension
}
#extension GL_OVR_multiview : enable
void mwOk()
{
gl_ViewID_OVR;
}

15
Test/baseResults/300.vert.out
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@ -43,10 +43,14 @@ ERROR: 0:172: 'std430' : requires the 'buffer' storage qualifier
ERROR: 0:175: '' : array size required
ERROR: 0:185: 'assign' : cannot convert from ' temp 4-element array of highp float' to ' temp 3-element array of highp float'
ERROR: 0:186: 'assign' : cannot convert from ' temp 3-element array of highp float' to ' temp 4-element array of highp float'
ERROR: 44 compilation errors. No code generated.
ERROR: 0:191: 'gl_ViewID_OVR' : required extension not requested: Possible extensions include:
GL_OVR_multiview
GL_OVR_multiview2
ERROR: 45 compilation errors. No code generated.
Shader version: 300
Requested GL_OVR_multiview
ERROR: node is still EOpNull!
0:27 Function Definition: main( ( global void)
0:27 Function Parameters:
@ -289,6 +293,14 @@ ERROR: node is still EOpNull!
0:184 'y' ( temp 4-element array of highp float)
0:185 'xp' ( temp 3-element array of highp float)
0:186 'yp' ( temp 4-element array of highp float)
0:189 Function Definition: mwErr( ( global void)
0:189 Function Parameters:
0:191 Sequence
0:191 'gl_ViewID_OVR' ( in highp uint ViewIndex)
0:196 Function Definition: mwOk( ( global void)
0:196 Function Parameters:
0:198 Sequence
0:198 'gl_ViewID_OVR' ( in highp uint ViewIndex)
0:? Linker Objects
0:? 'm43' ( uniform highp 4X3 matrix of float)
0:? 'm33' ( uniform highp 3X3 matrix of float)
@ -331,6 +343,7 @@ Linked vertex stage:
Shader version: 300
Requested GL_OVR_multiview
ERROR: node is still EOpNull!
0:27 Function Definition: main( ( global void)
0:27 Function Parameters:

57
Test/baseResults/spv.OVR_multiview.vert.out Normal file
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@ -0,0 +1,57 @@
spv.OVR_multiview.vert
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 27
Capability Shader
Capability MultiView
Extension "SPV_KHR_multiview"
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Vertex 4 "main" 13 17 25 26
Source GLSL 330
SourceExtension "GL_OVR_multiview"
Name 4 "main"
Name 11 "gl_PerVertex"
MemberName 11(gl_PerVertex) 0 "gl_Position"
MemberName 11(gl_PerVertex) 1 "gl_PointSize"
MemberName 11(gl_PerVertex) 2 "gl_ClipDistance"
Name 13 ""
Name 17 "gl_ViewID_OVR"
Name 25 "gl_VertexID"
Name 26 "gl_InstanceID"
MemberDecorate 11(gl_PerVertex) 0 BuiltIn Position
MemberDecorate 11(gl_PerVertex) 1 BuiltIn PointSize
MemberDecorate 11(gl_PerVertex) 2 BuiltIn ClipDistance
Decorate 11(gl_PerVertex) Block
Decorate 17(gl_ViewID_OVR) BuiltIn ViewIndex
Decorate 25(gl_VertexID) BuiltIn VertexId
Decorate 26(gl_InstanceID) BuiltIn InstanceId
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: TypeVector 6(float) 4
8: TypeInt 32 0
9: 8(int) Constant 1
10: TypeArray 6(float) 9
11(gl_PerVertex): TypeStruct 7(fvec4) 6(float) 10
12: TypePointer Output 11(gl_PerVertex)
13: 12(ptr) Variable Output
14: TypeInt 32 1
15: 14(int) Constant 0
16: TypePointer Input 8(int)
17(gl_ViewID_OVR): 16(ptr) Variable Input
20: 6(float) Constant 0
22: TypePointer Output 7(fvec4)
24: TypePointer Input 14(int)
25(gl_VertexID): 24(ptr) Variable Input
26(gl_InstanceID): 24(ptr) Variable Input
4(main): 2 Function None 3
5: Label
18: 8(int) Load 17(gl_ViewID_OVR)
19: 6(float) ConvertUToF 18
21: 7(fvec4) CompositeConstruct 19 20 20 20
23: 22(ptr) AccessChain 13 15
Store 23 21
Return
FunctionEnd

6
Test/baseResults/spv.specConstant.vert.out
View File

@ -11,7 +11,7 @@ spv.specConstant.vert
Source GLSL 400
Name 4 "main"
Name 9 "arraySize"
Name 14 "foo(vf4[s1521];"
Name 14 "foo(vf4[s1522];"
Name 13 "p"
Name 17 "builtin_spec_constant("
Name 20 "color"
@ -102,10 +102,10 @@ spv.specConstant.vert
Store 20(color) 46
48: 10 Load 22(ucol)
Store 47(param) 48
49: 2 FunctionCall 14(foo(vf4[s1521];) 47(param)
49: 2 FunctionCall 14(foo(vf4[s1522];) 47(param)
Return
FunctionEnd
14(foo(vf4[s1521];): 2 Function None 12
14(foo(vf4[s1522];): 2 Function None 12
13(p): 11(ptr) FunctionParameter
15: Label
54: 24(ptr) AccessChain 53(dupUcol) 23

7
Test/spv.OVR_multiview.vert Normal file
View File

@ -0,0 +1,7 @@
#version 330
#extension GL_OVR_multiview : enable
void main() {
gl_Position = vec4(gl_ViewID_OVR, 0, 0, 0);
}

21
glslang/MachineIndependent/Initialize.cpp
View File

@ -3457,6 +3457,12 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
if (version >= 300 /* both ES and non-ES */) {
stageBuiltins[EShLangVertex].append(
"in highp uint gl_ViewID_OVR;" // GL_OVR_multiview, GL_OVR_multiview2
"\n");
}
//============================================================================
//
@ -3905,6 +3911,12 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
if (version >= 300 /* both ES and non-ES */) {
stageBuiltins[EShLangFragment].append(
"flat in highp uint gl_ViewID_OVR;" // GL_OVR_multiview, GL_OVR_multiview2
"\n");
}
// printf("%s\n", commonBuiltins.c_str());
// printf("%s\n", stageBuiltins[EShLangFragment].c_str());
}
@ -5331,6 +5343,11 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
BuiltInVariable("gl_InstanceIndex", EbvInstanceIndex, symbolTable);
}
if (version >= 300 /* both ES and non-ES */) {
symbolTable.setVariableExtensions("gl_ViewID_OVR", Num_OVR_multiview_EXTs, OVR_multiview_EXTs);
BuiltInVariable("gl_ViewID_OVR", EbvViewIndex, symbolTable);
}
if (profile == EEsProfile) {
symbolTable.setFunctionExtensions("shadow2DEXT", 1, &E_GL_EXT_shadow_samplers);
symbolTable.setFunctionExtensions("shadow2DProjEXT", 1, &E_GL_EXT_shadow_samplers);
@ -5678,6 +5695,10 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
BuiltInVariable("gl_DeviceIndex", EbvDeviceIndex, symbolTable);
symbolTable.setVariableExtensions("gl_ViewIndex", 1, &E_GL_EXT_multiview);
BuiltInVariable("gl_ViewIndex", EbvViewIndex, symbolTable);
if (version >= 300 /* both ES and non-ES */) {
symbolTable.setVariableExtensions("gl_ViewID_OVR", Num_OVR_multiview_EXTs, OVR_multiview_EXTs);
BuiltInVariable("gl_ViewID_OVR", EbvViewIndex, symbolTable);
}
if (profile == EEsProfile) {
symbolTable.setFunctionExtensions("shadow2DEXT", 1, &E_GL_EXT_shadow_samplers);

13
glslang/MachineIndependent/Versions.cpp
View File

@ -239,6 +239,10 @@ void TParseVersions::initializeExtensionBehavior()
// EXT extensions
extensionBehavior[E_GL_EXT_device_group] = EBhDisable;
extensionBehavior[E_GL_EXT_multiview] = EBhDisable;
// OVR extensions
extensionBehavior[E_GL_OVR_multiview] = EBhDisable;
extensionBehavior[E_GL_OVR_multiview2] = EBhDisable;
}
// Get code that is not part of a shared symbol table, is specific to this shader,
@ -343,12 +347,19 @@ void TParseVersions::getPreamble(std::string& preamble)
if ((profile != EEsProfile && version >= 140) ||
(profile == EEsProfile && version >= 310)) {
preamble +=
preamble +=
"#define GL_EXT_device_group 1\n"
"#define GL_EXT_multiview 1\n"
;
}
if (version >= 300 /* both ES and non-ES */) {
preamble +=
"#define GL_OVR_multiview 1\n"
"#define GL_OVR_multiview2 1\n"
;
}
// #line and #include
preamble +=
"#define GL_GOOGLE_cpp_style_line_directive 1\n"

7
glslang/MachineIndependent/Versions.h
View File

@ -143,6 +143,13 @@ const char* const E_GL_EXT_shader_image_load_formatted = "GL_EXT_shader_image_lo
const char* const E_GL_EXT_device_group = "GL_EXT_device_group";
const char* const E_GL_EXT_multiview = "GL_EXT_multiview";
// OVR extensions
const char* const E_GL_OVR_multiview = "GL_OVR_multiview";
const char* const E_GL_OVR_multiview2 = "GL_OVR_multiview2";
const char* const OVR_multiview_EXTs[] = { E_GL_OVR_multiview, E_GL_OVR_multiview2 };
const int Num_OVR_multiview_EXTs = sizeof(OVR_multiview_EXTs) / sizeof(OVR_multiview_EXTs[0]);
// #line and #include
const char* const E_GL_GOOGLE_cpp_style_line_directive = "GL_GOOGLE_cpp_style_line_directive";
const char* const E_GL_GOOGLE_include_directive = "GL_GOOGLE_include_directive";

3
gtests/Spv.FromFile.cpp
View File

@ -333,7 +333,7 @@ INSTANTIATE_TEST_CASE_P(
{ "spv.ssbo.autoassign.frag", "main", 5, 10, 0, 15, 30, true, true },
{ "spv.ssboAlias.frag", "main", 0, 0, 0, 0, 83, true, false },
{ "spv.rw.autoassign.frag", "main", 5, 10, 20, 15, 30, true, true },
{ "spv.register.autoassign.rangetest.frag", "main",
{ "spv.register.autoassign.rangetest.frag", "main",
glslang::TQualifier::layoutBindingEnd-2,
glslang::TQualifier::layoutBindingEnd+5,
20, 30, true, false },
@ -358,6 +358,7 @@ INSTANTIATE_TEST_CASE_P(
"spv.atomic.comp",
"spv.glFragColor.frag",
"spv.specConst.vert",
"spv.OVR_multiview.vert",
})),
FileNameAsCustomTestSuffix
);