commit f26b27e2953513bb16d002ba3c742cab7f94bd71
author Olli Etuaho <oetuaho@nvidia.com> Fri Aug 17 11:01:19 2018 +0300
committer Commit Bot <commit-bot@chromium.org> Mon Aug 20 07:25:40 2018 +0000
tree 6746d059b7c4785cf3efb50170e8e30e5c59ca61
parent 5055fba5692f8b3904207ec47ab0a8e340341063

Add some shared utilities for multiview tests

This prepares for fixing multiview test resource init/teardown order.

BUG=angleproject:2765
TEST=angle_end2end_tests

Change-Id: I841327416fa76ac682310ef1b2309f5bb4e9fbac
Reviewed-on: https://chromium-review.googlesource.com/1179155
Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>

src/tests/test_utils/MultiviewTest.cpp

diff --git a/src/tests/test_utils/MultiviewTest.cpp b/src/tests/test_utils/MultiviewTest.cpp
new file mode 100644
index 0000000..42298a2
--- /dev/null
+++ b/src/tests/test_utils/MultiviewTest.cpp
@@ -0,0 +1,78 @@
+//
+// Copyright 2018 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// MultiviewTest:
+//   Implementation of helpers for multiview testing.
+//
+
+#include "test_utils/MultiviewTest.h"
+#include "platform/WorkaroundsD3D.h"
+
+namespace angle
+{
+
+GLuint CreateSimplePassthroughProgram(int numViews)
+{
+    const std::string vsSource =
+        "#version 300 es\n"
+        "#extension GL_OVR_multiview : require\n"
+        "layout(num_views = " +
+        ToString(numViews) +
+        ") in;\n"
+        "layout(location=0) in vec2 vPosition;\n"
+        "void main()\n"
+        "{\n"
+        "   gl_PointSize = 1.;\n"
+        "   gl_Position = vec4(vPosition.xy, 0.0, 1.0);\n"
+        "}\n";
+
+    const std::string fsSource =
+        "#version 300 es\n"
+        "#extension GL_OVR_multiview : require\n"
+        "precision mediump float;\n"
+        "out vec4 col;\n"
+        "void main()\n"
+        "{\n"
+        "   col = vec4(0,1,0,1);\n"
+        "}\n";
+    return CompileProgram(vsSource, fsSource);
+}
+
+std::ostream &operator<<(std::ostream &os, const MultiviewImplementationParams &params)
+{
+    const PlatformParameters &base = static_cast<const PlatformParameters &>(params);
+    os << base;
+    if (params.mForceUseGeometryShaderOnD3D)
+    {
+        os << "_force_geom_shader";
+    }
+    else
+    {
+        os << "_vertex_shader";
+    }
+    return os;
+}
+
+MultiviewImplementationParams VertexShaderOpenGL(GLint majorVersion, GLint minorVersion)
+{
+    return MultiviewImplementationParams(majorVersion, minorVersion, false, egl_platform::OPENGL());
+}
+
+MultiviewImplementationParams VertexShaderD3D11(GLint majorVersion, GLint minorVersion)
+{
+    return MultiviewImplementationParams(majorVersion, minorVersion, false, egl_platform::D3D11());
+}
+
+MultiviewImplementationParams GeomShaderD3D11(GLint majorVersion, GLint minorVersion)
+{
+    return MultiviewImplementationParams(majorVersion, minorVersion, true, egl_platform::D3D11());
+}
+
+void MultiviewTest::overrideWorkaroundsD3D(WorkaroundsD3D *workarounds)
+{
+    workarounds->selectViewInGeometryShader = GetParam().mForceUseGeometryShaderOnD3D;
+}
+
+}  // namespace angle