From e76116982a45f8d2793d42c2d06bd0b37eb56928 Mon Sep 17 00:00:00 2001
From: ZhiqianXia <xzq0528@outlook.com>
Date: Mon, 2 Aug 2021 11:10:33 +0800
Subject: [PATCH] Add the GL_EXT_shader_integer_mix Preamble for glsl.

Signed-off-by: ZhiqianXia <xzq0528@outlook.com>
---
 Test/GL_EXT_shader_integer_mix.vert           | 13 +++++
 .../GL_EXT_shader_integer_mix.vert.out        | 47 +++++++++++++++++++
 glslang/MachineIndependent/Versions.cpp       |  1 +
 gtests/AST.FromFile.cpp                       |  3 +-
 4 files changed, 63 insertions(+), 1 deletion(-)
 create mode 100644 Test/GL_EXT_shader_integer_mix.vert
 create mode 100644 Test/baseResults/GL_EXT_shader_integer_mix.vert.out

diff --git a/Test/GL_EXT_shader_integer_mix.vert b/Test/GL_EXT_shader_integer_mix.vert
new file mode 100644
index 00000000..3616e58c
--- /dev/null
+++ b/Test/GL_EXT_shader_integer_mix.vert
@@ -0,0 +1,13 @@
+#version 330
+#extension GL_EXT_shader_integer_mix: require
+
+
+#if !defined GL_EXT_shader_integer_mix
+#  error GL_EXT_shader_integer_mix is not defined
+#elif GL_EXT_shader_integer_mix != 1
+#  error GL_EXT_shader_integer_mix is not equal to 1
+#endif
+
+void main(void) { 
+    gl_Position = vec4(0); 
+}
diff --git a/Test/baseResults/GL_EXT_shader_integer_mix.vert.out b/Test/baseResults/GL_EXT_shader_integer_mix.vert.out
new file mode 100644
index 00000000..4a62b579
--- /dev/null
+++ b/Test/baseResults/GL_EXT_shader_integer_mix.vert.out
@@ -0,0 +1,47 @@
+GL_EXT_shader_integer_mix.vert
+Shader version: 330
+Requested GL_EXT_shader_integer_mix
+0:? Sequence
+0:11  Function Definition: main( ( global void)
+0:11    Function Parameters: 
+0:12    Sequence
+0:12      move second child to first child ( temp 4-component vector of float)
+0:12        gl_Position: direct index for structure ( gl_Position 4-component vector of float Position)
+0:12          'anon@0' ( out block{ gl_Position 4-component vector of float Position gl_Position,  gl_PointSize float PointSize gl_PointSize,  out unsized 1-element array of float ClipDistance gl_ClipDistance})
+0:12          Constant:
+0:12            0 (const uint)
+0:12        Constant:
+0:12          0.000000
+0:12          0.000000
+0:12          0.000000
+0:12          0.000000
+0:?   Linker Objects
+0:?     'anon@0' ( out block{ gl_Position 4-component vector of float Position gl_Position,  gl_PointSize float PointSize gl_PointSize,  out unsized 1-element array of float ClipDistance gl_ClipDistance})
+0:?     'gl_VertexID' ( gl_VertexId int VertexId)
+0:?     'gl_InstanceID' ( gl_InstanceId int InstanceId)
+
+
+Linked vertex stage:
+
+
+Shader version: 330
+Requested GL_EXT_shader_integer_mix
+0:? Sequence
+0:11  Function Definition: main( ( global void)
+0:11    Function Parameters: 
+0:12    Sequence
+0:12      move second child to first child ( temp 4-component vector of float)
+0:12        gl_Position: direct index for structure ( gl_Position 4-component vector of float Position)
+0:12          'anon@0' ( out block{ gl_Position 4-component vector of float Position gl_Position,  gl_PointSize float PointSize gl_PointSize,  out 1-element array of float ClipDistance gl_ClipDistance})
+0:12          Constant:
+0:12            0 (const uint)
+0:12        Constant:
+0:12          0.000000
+0:12          0.000000
+0:12          0.000000
+0:12          0.000000
+0:?   Linker Objects
+0:?     'anon@0' ( out block{ gl_Position 4-component vector of float Position gl_Position,  gl_PointSize float PointSize gl_PointSize,  out 1-element array of float ClipDistance gl_ClipDistance})
+0:?     'gl_VertexID' ( gl_VertexId int VertexId)
+0:?     'gl_InstanceID' ( gl_InstanceId int InstanceId)
+
diff --git a/glslang/MachineIndependent/Versions.cpp b/glslang/MachineIndependent/Versions.cpp
index 097ee845..70a5d5e4 100644
--- a/glslang/MachineIndependent/Versions.cpp
+++ b/glslang/MachineIndependent/Versions.cpp
@@ -482,6 +482,7 @@ void TParseVersions::getPreamble(std::string& preamble)
             "#define GL_EXT_debug_printf 1\n"
             "#define GL_EXT_fragment_shading_rate 1\n"
             "#define GL_EXT_shared_memory_block 1\n"
+            "#define GL_EXT_shader_integer_mix 1\n"
 
             // GL_KHR_shader_subgroup
             "#define GL_KHR_shader_subgroup_basic 1\n"
diff --git a/gtests/AST.FromFile.cpp b/gtests/AST.FromFile.cpp
index 6e7a659e..0db97541 100644
--- a/gtests/AST.FromFile.cpp
+++ b/gtests/AST.FromFile.cpp
@@ -284,7 +284,8 @@ INSTANTIATE_TEST_SUITE_P(
         "textureoffset_sampler2darrayshadow.vert",
         "atomicAdd.comp",
         "GL_ARB_gpu_shader5.u2i.vert",
-        "atomicCounterARBOps.vert"
+        "atomicCounterARBOps.vert",
+        "GL_EXT_shader_integer_mix.vert"
     })),
     FileNameAsCustomTestSuffix
 );