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GL_EXT_spirv_intrinsics - Port extensions

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Add mechanism to use GL_EXT_spirv_intrinsics headers in glslang.
Ported GL_EXT_shader_realtime_clock as an example.
This commit is contained in:
amhagan 2021-09-01 11:33:21 -04:00 • committed by ahagan
parent b9ba4c5743
commit 035a3bbc4a
7 changed files with 218 additions and 10 deletions
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54
glslang/ExtensionHeaders/GL_EXT_shader_realtime_clock.glsl Normal file
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@ -0,0 +1,54 @@
//
// Copyright (C) 2002-2005 3Dlabs Inc. Ltd.
// Copyright (C) 2013-2016 LunarG, Inc.
// Copyright (C) 2016-2020 Google, Inc.
// Modifications Copyright(C) 2021 Advanced Micro Devices, Inc.All rights reserved.
//
// 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.
//
#extension GL_EXT_spirv_intrinsics : enable
#extension GL_ARB_gpu_shader_int64 : enable
uvec2 clockRealtime2x32EXT(void) {
spirv_instruction (extensions = ["SPV_KHR_shader_clock"], capabilities = [5055], id = 5056)
uvec2 clockRealtime2x32EXT_internal(uint scope);
return clockRealtime2x32EXT_internal(1 /*Device scope*/);
}
uint64_t clockRealtimeEXT(void) {
spirv_instruction (extensions = ["SPV_KHR_shader_clock"], capabilities = [5055], id = 5056)
uint64_t clockRealtimeEXT_internal(uint scope);
return clockRealtimeEXT_internal(1 /*Device scope*/);
}

9
glslang/MachineIndependent/Initialize.cpp
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@ -3,7 +3,7 @@
// Copyright (C) 2012-2016 LunarG, Inc.
// Copyright (C) 2015-2020 Google, Inc.
// Copyright (C) 2017 ARM Limited.
// Modifications Copyright (C) 2020 Advanced Micro Devices, Inc. All rights reserved.
// Modifications Copyright (C) 2020-2021 Advanced Micro Devices, Inc. All rights reserved.
//
// All rights reserved.
//
@ -4653,13 +4653,11 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
// GL_ARB_shader_clock & GL_EXT_shader_realtime_clock
// GL_ARB_shader_clock
if (profile != EEsProfile && version >= 450) {
commonBuiltins.append(
"uvec2 clock2x32ARB();"
"uint64_t clockARB();"
"uvec2 clockRealtime2x32EXT();"
"uint64_t clockRealtimeEXT();"
"\n");
}
@ -8408,9 +8406,6 @@ void TBuiltIns::identifyBuiltIns(int version, EProfile profile, const SpvVersion
symbolTable.setFunctionExtensions("clockARB", 1, &E_GL_ARB_shader_clock);
symbolTable.setFunctionExtensions("clock2x32ARB", 1, &E_GL_ARB_shader_clock);
symbolTable.setFunctionExtensions("clockRealtimeEXT", 1, &E_GL_EXT_shader_realtime_clock);
symbolTable.setFunctionExtensions("clockRealtime2x32EXT", 1, &E_GL_EXT_shader_realtime_clock);
if (profile == EEsProfile && version < 320) {
symbolTable.setVariableExtensions("gl_PrimitiveID", Num_AEP_geometry_shader, AEP_geometry_shader);
symbolTable.setVariableExtensions("gl_Layer", Num_AEP_geometry_shader, AEP_geometry_shader);