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Add support for extension GL_ARB_shader_bit_encoding (#2183)

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pmistryNV 2020-04-17 04:24:12 -07:00 • committed by GitHub
parent 4d2298bfd7
commit 9f46e3dd5e
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 76 additions and 3 deletions
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9
glslang/MachineIndependent/Initialize.cpp
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@ -1262,7 +1262,7 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
#endif
if ((profile == EEsProfile && version >= 300) ||
(profile != EEsProfile && version >= 330)) {
(profile != EEsProfile && version >= 150)) { // GL_ARB_shader_bit_encoding
commonBuiltins.append(
"int floatBitsToInt(highp float value);"
"ivec2 floatBitsToInt(highp vec2 value);"
@ -7816,6 +7816,13 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
symbolTable.setFunctionExtensions("imageAtomicCompSwap", 1, &E_GL_OES_shader_image_atomic);
}
if (profile != EEsProfile && version < 330 ) {
symbolTable.setFunctionExtensions("floatBitsToInt", 1, &E_GL_ARB_shader_bit_encoding);
symbolTable.setFunctionExtensions("floatBitsToUint", 1, &E_GL_ARB_shader_bit_encoding);
symbolTable.setFunctionExtensions("intBitsToFloat", 1, &E_GL_ARB_shader_bit_encoding);
symbolTable.setFunctionExtensions("uintBitsToFloat", 1, &E_GL_ARB_shader_bit_encoding);
}
symbolTable.setVariableExtensions("gl_DeviceIndex", 1, &E_GL_EXT_device_group);
BuiltInVariable("gl_DeviceIndex", EbvDeviceIndex, symbolTable);
symbolTable.setVariableExtensions("gl_ViewIndex", 1, &E_GL_EXT_multiview);

2
glslang/MachineIndependent/Versions.cpp
View file

@ -197,6 +197,7 @@ void TParseVersions::initializeExtensionBehavior()
extensionBehavior[E_GL_ARB_shader_clock] = EBhDisable;
extensionBehavior[E_GL_ARB_uniform_buffer_object] = EBhDisable;
extensionBehavior[E_GL_ARB_sample_shading] = EBhDisable;
extensionBehavior[E_GL_ARB_shader_bit_encoding] = EBhDisable;
extensionBehavior[E_GL_KHR_shader_subgroup_basic] = EBhDisable;
extensionBehavior[E_GL_KHR_shader_subgroup_vote] = EBhDisable;
@ -409,6 +410,7 @@ void TParseVersions::getPreamble(std::string& preamble)
"#define GL_ARB_post_depth_coverage 1\n"
"#define GL_ARB_fragment_shader_interlock 1\n"
"#define GL_ARB_uniform_buffer_object 1\n"
"#define GL_ARB_shader_bit_encoding 1\n"
"#define GL_EXT_shader_non_constant_global_initializers 1\n"
"#define GL_EXT_shader_image_load_formatted 1\n"
"#define GL_EXT_post_depth_coverage 1\n"

1
glslang/MachineIndependent/Versions.h
View file

@ -152,6 +152,7 @@ const char* const E_GL_ARB_fragment_shader_interlock = "GL_ARB_fragment_shade
const char* const E_GL_ARB_shader_clock = "GL_ARB_shader_clock";
const char* const E_GL_ARB_uniform_buffer_object = "GL_ARB_uniform_buffer_object";
const char* const E_GL_ARB_sample_shading = "GL_ARB_sample_shading";
const char* const E_GL_ARB_shader_bit_encoding = "GL_ARB_shader_bit_encoding";
const char* const E_GL_KHR_shader_subgroup_basic = "GL_KHR_shader_subgroup_basic";
const char* const E_GL_KHR_shader_subgroup_vote = "GL_KHR_shader_subgroup_vote";