kc3-lang/angle/src/tests/test_utils/draw_call_perf_utils.h

• Show log

  Commit

• Hash : cc1dc5ee
  Author :
  Date : 2018-08-07T15:27:49
  

  Add a perf test for draw calls with texture changes.
  
  This perf test highlights the performance hotspots with
  State::syncProgramTextures.
  
  Also includes a fix to the perf test runner script.
  
  Bug: angleproject:2763
  Change-Id: I69ffa0cc0d5e023944495b7a1c844770a54f7ddc
  Reviewed-on: https://chromium-review.googlesource.com/1166041
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

Download

• src/tests/test_utils/draw_call_perf_utils.h

• //
  // Copyright (c) 2017 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.
  //
  // draw_call_perf_utils.h:
  //   Common utilities for performance tests that need to do a large amount of draw calls.
  //
  
  #ifndef TESTS_TEST_UTILS_DRAW_CALL_PERF_UTILS_H_
  #define TESTS_TEST_UTILS_DRAW_CALL_PERF_UTILS_H_
  
  #include <stddef.h>
  
  #include "angle_gl.h"
  
  // Returns program ID. The program is left in use, no uniforms.
  GLuint SetupSimpleDrawProgram();
  
  // Returns program ID. Uses a 2D texture.
  GLuint SetupSimpleTextureProgram();
  
  // Returns program ID. The program is left in use and the uniforms are set to default values:
  // uScale = 0.5, uOffset = -0.5
  GLuint SetupSimpleScaleAndOffsetProgram();
  
  // Returns buffer ID filled with 2-component triangle coordinates. The buffer is left as bound.
  // Generates triangles like this with 2-component coordinates:
  //    A
  //   / \.
  //  /   \.
  // B-----C
  GLuint Create2DTriangleBuffer(size_t numTris, GLenum usage);
  
  // Creates an FBO with a texture color attachment. The texture is GL_RGBA and has dimensions
  // width/height. The FBO and texture ids are written to the out parameters.
  void CreateColorFBO(GLsizei width, GLsizei height, GLuint *fbo, GLuint *texture);
  
  #endif  // TESTS_TEST_UTILS_DRAW_CALL_PERF_UTILS_H_
  

Download