commit 2b39659db0bc770257e83f3d3a9b0de2b315b798
author Xinghua Cao <xinghua.cao@intel.com> Wed Mar 29 15:36:04 2017 +0800
committer Commit Bot <commit-bot@chromium.org> Wed Apr 12 15:49:37 2017 +0000
tree 127ca31fc516766749cfea4dfebd16a9af1c82d0
parent e918de22f2652e57590c195f1d14453fd9c98aee

ES31: Implement glDispatchCompute for OpenGL backend

This patch refers to https://chromium-review.googlesource.com/c/380639/

BUG=angleproject:1955
TESTCASE=angle_end2end_tests

Change-Id: Iafd7a6ba2d71c0b332d9267a1260d9dbd9800c02
Reviewed-on: https://chromium-review.googlesource.com/462089
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Yunchao He <yunchao.he@intel.com>
Reviewed-by: Olli Etuaho <oetuaho@nvidia.com>
Reviewed-by: Geoff Lang <geofflang@chromium.org>

src/tests/gl_tests/ComputeShaderTest.cpp

diff --git a/src/tests/gl_tests/ComputeShaderTest.cpp b/src/tests/gl_tests/ComputeShaderTest.cpp
index 4a206a4..c2f8036 100644
--- a/src/tests/gl_tests/ComputeShaderTest.cpp
+++ b/src/tests/gl_tests/ComputeShaderTest.cpp
@@ -21,6 +21,12 @@
     ComputeShaderTest() {}
 };
 
+class DispatchComputeTest : public ANGLETest
+{
+  protected:
+    DispatchComputeTest() {}
+};
+
 class ComputeShaderTestES3 : public ANGLETest
 {
   protected:
@@ -225,6 +231,25 @@
     ANGLE_GL_COMPUTE_PROGRAM(program, csSource);
 }
 
+// TODO(Xinghua): A temporary test for glDispatchCompute, remove and merge it
+// ComputeShaderTest after implementing this API on D3D backend.
+TEST_P(DispatchComputeTest, DispatchCompute)
+{
+    const std::string csSource =
+        "#version 310 es\n"
+        "layout(local_size_x=4, local_size_y=3, local_size_z=2) in;\n"
+        "void main()\n"
+        "{\n"
+        "    uvec3 temp1 = gl_NumWorkGroups;\n"
+        "}\n";
+
+    ANGLE_GL_COMPUTE_PROGRAM(program, csSource);
+
+    glUseProgram(program.get());
+    glDispatchCompute(8, 4, 2);
+    EXPECT_GL_NO_ERROR();
+}
+
 // Check that it is not possible to create a compute shader when the context does not support ES
 // 3.10
 TEST_P(ComputeShaderTestES3, NotSupported)
@@ -235,6 +260,7 @@
 }
 
 ANGLE_INSTANTIATE_TEST(ComputeShaderTest, ES31_OPENGL(), ES31_OPENGLES(), ES31_D3D11());
+ANGLE_INSTANTIATE_TEST(DispatchComputeTest, ES31_OPENGL(), ES31_OPENGLES());
 ANGLE_INSTANTIATE_TEST(ComputeShaderTestES3, ES3_OPENGL(), ES3_OPENGLES());
 
 }  // namespace