Attachment 138773 Details for Bug 103972 – Piglit test

[patch] Piglit test

0001-arb_compute_shader-test-shared-64bit-ints.patch (text/plain), 2.69 KB, created by Timothy Arceri on 2018-04-12 05:35:16 UTC

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Creator: Timothy Arceri

Created: 2018-04-12 05:35:16 UTC

Size: 2.69 KB

patch

obsolete

>From 2a01066c56fffe67179a1d2abdcddb0c32b33a33 Mon Sep 17 00:00:00 2001
>From: Timothy Arceri <tarceri@itsqueeze.com>
>Date: Thu, 12 Apr 2018 13:13:29 +1000
>Subject: [PATCH] arb_compute_shader: test shared 64bit ints
>
>Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103972
>---
> .../basic-shared-64bit-int.shader_test        | 85 +++++++++++++++++++
> 1 file changed, 85 insertions(+)
> create mode 100644 tests/spec/arb_compute_shader/execution/basic-shared-64bit-int.shader_test
>
>diff --git a/tests/spec/arb_compute_shader/execution/basic-shared-64bit-int.shader_test b/tests/spec/arb_compute_shader/execution/basic-shared-64bit-int.shader_test
>new file mode 100644
>index 000000000..9ce59e655
>--- /dev/null
>+++ b/tests/spec/arb_compute_shader/execution/basic-shared-64bit-int.shader_test
>@@ -0,0 +1,85 @@
>+# Test for assigning values to a shared int64. Bug #103972
>+
>+[require]
>+GL >= 4.0
>+GLSL >= 4.00
>+GL_ARB_compute_shader
>+GL_ARB_shader_image_load_store
>+GL_ARB_gpu_shader_int64
>+
>+[compute shader]
>+#version 400
>+#extension GL_ARB_compute_shader: enable
>+#extension GL_ARB_shader_image_load_store: enable
>+#extension GL_ARB_gpu_shader_int64: enable
>+
>+writeonly uniform image2D tex;
>+
>+layout(local_size_x=2, local_size_y=2, local_size_z=1) in;
>+
>+shared u64vec2 mmShared[192 * gl_WorkGroupSize.x * gl_WorkGroupSize.y];
>+
>+void main()
>+{
>+  ivec2 coord = ivec2(gl_GlobalInvocationID.xy);
>+
>+  uint b[8];
>+  b[0] = 2101479989U;
>+  b[1] = 1917184202U;
>+  b[2] = 4191109983U;
>+  b[3] = 1779160146U;
>+  b[4] = 2746074432U;
>+  b[5] = 2613207917U;
>+  b[6] = 4045743315U;
>+  b[7] = 4014514165U;
>+
>+  u64vec2 st[3];
>+  st[0].x = packUint2x32(uvec2(b[0], b[1]));
>+  st[0].y = packUint2x32(uvec2(b[2], b[3]));
>+  st[1].x = packUint2x32(uvec2(b[4], b[5]));
>+  st[1].y = packUint2x32(uvec2(b[6], b[7]));
>+  st[2] = st[0];
>+
>+  u64vec2 mmLocal[192];
>+
>+  uint offset = gl_LocalInvocationIndex * 192;
>+
>+  uint io = 188+offset;
>+  uint lsize = 192/3;
>+
>+  for (int i = 0; i < lsize; ++i) {
>+    mmShared[io+0] = st[0];
>+    mmShared[io+1] = st[1];
>+    mmShared[io+2] = st[2];
>+    io -= 3;
>+  }
>+
>+  io = offset;
>+  for(int i = 0; i < 192; ++i) {
>+   mmLocal[i] = mmShared[io];   
>+    ++io; 
>+  }
>+
>+  // 2101479989,1917184202,4191109983,1779160146
>+  uvec2 v01 = unpackUint2x32(mmLocal[1].x);
>+  uvec2 v23 = unpackUint2x32(mmLocal[1].y);
>+
>+  uvec4 expected = uvec4(2101479989U,1917184202U,4191109983U,1779160146U);
>+
>+  vec4 colour;
>+  if (uvec4(v01, v23) == expected)
>+    colour = vec4(0.0, 1.0, 0.0, 1.0);
>+  else
>+    colour = vec4(1.0, 0.0, 0.0, 1.0);
>+
>+  imageStore(tex, coord, colour);
>+}
>+
>+[test]
>+uniform int tex 0
>+texture rgbw 0 (16, 16) GL_RGBA8
>+image texture 0 GL_RGBA8
>+fb tex 2d 0
>+
>+compute 1 1 1
>+probe all rgba 0.0 1.0 0.0 0.0
>-- 
>2.17.0
>

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