Add Windows support in Travis CI.

- Add new Windows support
- Use CMake/CTest instead of Make + shell scripts
- Use --parallel in CTest
- Fix CTest on Windows
- Cleanups in test_shaders.py
- Force specific commit for SPIRV-Headers
- Fix Inf/NaN odd-ball case by moving to ASM

4 files changed, 70 insertions, 27 deletions

diff --git a/shaders/asm/frag/inf-nan-constant-double.asm.frag b/shaders/asm/frag/inf-nan-constant-double.asm.frag
new file mode 100644
index 00000000..2d0c18a9
--- /dev/null
+++ b/shaders/asm/frag/inf-nan-constant-double.asm.frag
@@ -0,0 +1,41 @@
+; SPIR-V
+; Version: 1.0
+; Generator: Khronos Glslang Reference Front End; 7
+; Bound: 22
+; Schema: 0
+               OpCapability Shader
+               OpCapability Float64
+          %1 = OpExtInstImport "GLSL.std.450"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Fragment %main "main" %FragColor %vTmp
+               OpExecutionMode %main OriginUpperLeft
+               OpSource GLSL 450
+               OpName %main "main"
+               OpName %FragColor "FragColor"
+               OpName %vTmp "vTmp"
+               OpDecorate %FragColor Location 0
+               OpDecorate %vTmp Flat
+               OpDecorate %vTmp Location 0
+       %void = OpTypeVoid
+          %3 = OpTypeFunction %void
+      %float = OpTypeFloat 32
+    %v3float = OpTypeVector %float 3
+%_ptr_Output_v3float = OpTypePointer Output %v3float
+  %FragColor = OpVariable %_ptr_Output_v3float Output
+     %double = OpTypeFloat 64
+   %v3double = OpTypeVector %double 3
+%double_0x1p_1024 = OpConstant %double 0x1p+1024
+%double_n0x1p_1024 = OpConstant %double -0x1p+1024
+%double_0x1_8p_1024 = OpConstant %double 0x1.8p+1024
+         %15 = OpConstantComposite %v3double %double_0x1p_1024 %double_n0x1p_1024 %double_0x1_8p_1024
+%_ptr_Input_double = OpTypePointer Input %double
+       %vTmp = OpVariable %_ptr_Input_double Input
+       %main = OpFunction %void None %3
+          %5 = OpLabel
+         %18 = OpLoad %double %vTmp
+         %19 = OpCompositeConstruct %v3double %18 %18 %18
+         %20 = OpFAdd %v3double %15 %19
+         %21 = OpFConvert %v3float %20
+               OpStore %FragColor %21
+               OpReturn
+               OpFunctionEnd
diff --git a/shaders/asm/frag/inf-nan-constant.asm.frag b/shaders/asm/frag/inf-nan-constant.asm.frag
new file mode 100644
index 00000000..40e5d3a8
--- /dev/null
+++ b/shaders/asm/frag/inf-nan-constant.asm.frag
@@ -0,0 +1,29 @@
+; SPIR-V
+; Version: 1.0
+; Generator: Khronos Glslang Reference Front End; 7
+; Bound: 14
+; Schema: 0
+               OpCapability Shader
+          %1 = OpExtInstImport "GLSL.std.450"
+               OpMemoryModel Logical GLSL450
+               OpEntryPoint Fragment %main "main" %FragColor
+               OpExecutionMode %main OriginUpperLeft
+               OpSource ESSL 310
+               OpName %main "main"
+               OpName %FragColor "FragColor"
+               OpDecorate %FragColor Location 0
+       %void = OpTypeVoid
+          %3 = OpTypeFunction %void
+      %float = OpTypeFloat 32
+    %v3float = OpTypeVector %float 3
+%_ptr_Output_v3float = OpTypePointer Output %v3float
+  %FragColor = OpVariable %_ptr_Output_v3float Output
+%float_0x1p_128 = OpConstant %float 0x1p+128
+%float_n0x1p_128 = OpConstant %float -0x1p+128
+%float_0x1_8p_128 = OpConstant %float 0x1.8p+128
+         %13 = OpConstantComposite %v3float %float_0x1p_128 %float_n0x1p_128 %float_0x1_8p_128
+       %main = OpFunction %void None %3
+          %5 = OpLabel
+               OpStore %FragColor %13
+               OpReturn
+               OpFunctionEnd
diff --git a/shaders/desktop-only/frag/inf-nan-constant-double.desktop.frag b/shaders/desktop-only/frag/inf-nan-constant-double.desktop.frag
deleted file mode 100644
index d2a80fe0..00000000
--- a/shaders/desktop-only/frag/inf-nan-constant-double.desktop.frag
+++ /dev/null
@@ -1,13 +0,0 @@
-#version 450
-
-const double posinf = 1.0lf / 0.0lf;
-const double neginf = -1.0lf / 0.0lf;
-const double nan = 0.0lf / 0.0lf;
-
-layout(location = 0) out vec3 FragColor;
-layout(location = 0) flat in double vTmp;
-
-void main()
-{
-	FragColor = vec3(dvec3(posinf, neginf, nan) + vTmp);
-}
diff --git a/shaders/frag/inf-nan-constant.frag b/shaders/frag/inf-nan-constant.frag
deleted file mode 100644
index 78b93c31..00000000
--- a/shaders/frag/inf-nan-constant.frag
+++ /dev/null
@@ -1,14 +0,0 @@
-#version 310 es
-precision highp float;
-
-const float posinf = 1.0 / 0.0;
-const float neginf = -1.0 / 0.0;
-const float nan = 0.0 / 0.0;
-
-layout(location = 0) out vec3 FragColor;
-
-void main()
-{
-	FragColor = vec3(posinf, neginf, nan);
-}
-