kc3-lang/angle/tests/angle_tests/OcclusionQueriesTest.cpp

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• Author : Jamie Madill
  Date : 2014-08-26 13:16:39
  Hash : 5599c8f6
  Message : Use shared compile helpers in the ANGLE tests. BUG=angle:730 Change-Id: Ib3bd646c73355449105e6cf79bdcf0a14b391fd2 Reviewed-on: https://chromium-review.googlesource.com/213550 Tested-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org>

• tests/angle_tests/OcclusionQueriesTest.cpp

• #include "ANGLETest.h"
  
  // Needed for Sleep()
  #include <Windows.h>
  
  class OcclusionQueriesTest : public ANGLETest
  {
  protected:
      OcclusionQueriesTest()
      {
          setWindowWidth(128);
          setWindowHeight(128);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
          setConfigDepthBits(24);
  
          mProgram = 0;
      }
  
      virtual void SetUp()
      {
          ANGLETest::SetUp();
  
          const std::string passthroughVS = SHADER_SOURCE
          (
              attribute highp vec4 position;
              void main(void)
              {
                  gl_Position = position;
              }
          );
  
          const std::string passthroughPS = SHADER_SOURCE
          (
              precision highp float;
              void main(void)
              {
                 gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);
              }
          );
  
          mProgram = CompileProgram(passthroughVS, passthroughPS);
          if (mProgram == 0)
          {
              FAIL() << "shader compilation failed.";
          }
      }
  
      virtual void TearDown()
      {
          glDeleteProgram(mProgram);
  
          ANGLETest::TearDown();
      }
  
      GLuint mProgram;
  };
  
  TEST_F(OcclusionQueriesTest, IsOccluded)
  {
      glDepthMask(GL_TRUE);
      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
  
      // draw a quad at depth 0.3
      glEnable(GL_DEPTH_TEST);
      glUseProgram(mProgram);
      drawQuad(mProgram, "position", 0.3f);
      glUseProgram(0);
  
      EXPECT_GL_NO_ERROR();
  
      GLuint query = 0;
      glGenQueriesEXT(1, &query);
      glBeginQueryEXT(GL_ANY_SAMPLES_PASSED_EXT, query);
      drawQuad(mProgram, "position", 0.8f); // this quad should be occluded by first quad
      glEndQueryEXT(GL_ANY_SAMPLES_PASSED_EXT);
  
      EXPECT_GL_NO_ERROR();
  
      swapBuffers();
  
      GLuint ready = GL_FALSE;
      while (ready == GL_FALSE)
      {
          Sleep(0);
          glGetQueryObjectuivEXT(query, GL_QUERY_RESULT_AVAILABLE_EXT, &ready);
      }
  
      GLuint result = GL_TRUE;
      glGetQueryObjectuivEXT(query, GL_QUERY_RESULT_EXT, &result);
  
      EXPECT_GL_NO_ERROR();
  
      glDeleteQueriesEXT(1, &query);
  
      EXPECT_EQ(result, GL_FALSE);
  }
  
  TEST_F(OcclusionQueriesTest, IsNotOccluded)
  {
      glDepthMask(GL_TRUE);
      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
  
      EXPECT_GL_NO_ERROR();
  
      GLuint query = 0;
      glGenQueriesEXT(1, &query);
      glBeginQueryEXT(GL_ANY_SAMPLES_PASSED_EXT, query);
      drawQuad(mProgram, "position", 0.8f); // this quad should not be occluded
      glEndQueryEXT(GL_ANY_SAMPLES_PASSED_EXT);
  
      EXPECT_GL_NO_ERROR();
  
      swapBuffers();
  
      GLuint result = GL_TRUE;
      glGetQueryObjectuivEXT(query, GL_QUERY_RESULT_EXT, &result); // will block waiting for result
  
      EXPECT_GL_NO_ERROR();
  
      glDeleteQueriesEXT(1, &query);
  
      EXPECT_EQ(result, GL_TRUE);
  }
  
  TEST_F(OcclusionQueriesTest, Errors)
  {
      glDepthMask(GL_TRUE);
      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
  
      EXPECT_GL_NO_ERROR();
  
      GLuint query = 0;
      GLuint query2 = 0;
      glGenQueriesEXT(1, &query);
  
      EXPECT_EQ(glIsQueryEXT(query), GL_FALSE);
      EXPECT_EQ(glIsQueryEXT(query2), GL_FALSE);
  
      glBeginQueryEXT(GL_ANY_SAMPLES_PASSED_EXT, 0); // can't pass 0 as query id
      EXPECT_GL_ERROR(GL_INVALID_OPERATION);
  
      glBeginQueryEXT(GL_ANY_SAMPLES_PASSED_EXT, query);
      glBeginQueryEXT(GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT, query2); // can't initiate a query while one's already active
      EXPECT_GL_ERROR(GL_INVALID_OPERATION);
  
      EXPECT_EQ(glIsQueryEXT(query), GL_TRUE);
      EXPECT_EQ(glIsQueryEXT(query2), GL_FALSE); // have not called begin
  
      drawQuad(mProgram, "position", 0.8f); // this quad should not be occluded
      glEndQueryEXT(GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT); // no active query for this target
      EXPECT_GL_ERROR(GL_INVALID_OPERATION);
      glEndQueryEXT(GL_ANY_SAMPLES_PASSED_EXT);
  
      glBeginQueryEXT(GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT, query); // can't begin a query as a different type than previously used
      EXPECT_GL_ERROR(GL_INVALID_OPERATION);
  
      glBeginQueryEXT(GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT, query2); // have to call genqueries first
      EXPECT_EQ(glGetError(), GL_INVALID_OPERATION);
  
      glGenQueriesEXT(1, &query2);
      glBeginQueryEXT(GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT, query2); // should be ok now
      EXPECT_EQ(glIsQueryEXT(query2), GL_TRUE);
  
      drawQuad(mProgram, "position", 0.3f); // this should draw in front of other quad
      glDeleteQueriesEXT(1, &query2); // should delete when query becomes inactive
      glEndQueryEXT(GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT); // should not incur error; should delete query + 1 at end of execution.
      EXPECT_GL_NO_ERROR();
  
      swapBuffers();
  
      EXPECT_GL_NO_ERROR();
  
      GLuint ready = GL_FALSE;
      glGetQueryObjectuivEXT(query2, GL_QUERY_RESULT_AVAILABLE_EXT, &ready); // this query is now deleted
      EXPECT_GL_ERROR(GL_INVALID_OPERATION);
  
      EXPECT_GL_NO_ERROR();
  }