kc3-lang/angle/src/tests/gl_tests/ExternalBufferTest.cpp

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• Hash : f197ebac
  Author :
  Date : 2020-11-16T15:16:56
  

  Vulkan: Add EXT_external_buffer support
  
  Addition of buffer support for external memory
  Also adds new end2end tests for these usecases
    * SubData update
    * map/unmap buffer
    * dispatch compute with external buffer
  
  Bug: angleproject:5073
  Test: ExternalBufferTestES31.*Vulkan
  Change-Id: Ib3cccaca77b76830effe49d3731782552e7424ec
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2525105
  Commit-Queue: Mohan Maiya <m.maiya@samsung.com>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  

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• src/tests/gl_tests/ExternalBufferTest.cpp

• //
  // Copyright 2020 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.
  //
  // ExternalBufferTest:
  //   Tests the correctness of external buffer ext extension.
  //
  
  #include "test_utils/ANGLETest.h"
  #include "test_utils/gl_raii.h"
  #include "util/EGLWindow.h"
  
  #include "common/android_util.h"
  
  #if defined(ANGLE_PLATFORM_ANDROID) && __ANDROID_API__ >= 26
  #    define ANGLE_AHARDWARE_BUFFER_SUPPORT
  // NDK header file for access to Android Hardware Buffers
  #    include <android/hardware_buffer.h>
  #endif
  
  namespace angle
  {
  
  class ExternalBufferTestES31 : public ANGLETest
  {
    protected:
      ExternalBufferTestES31()
      {
          setWindowWidth(16);
          setWindowHeight(16);
          setConfigRedBits(8);
          setConfigGreenBits(8);
          setConfigBlueBits(8);
          setConfigAlphaBits(8);
          setConfigDepthBits(24);
      }
  
      AHardwareBuffer *createAndroidHardwareBuffer(size_t size, const GLubyte *data)
      {
  #if defined(ANGLE_AHARDWARE_BUFFER_SUPPORT)
          // The height and width are number of pixels of size format
          AHardwareBuffer_Desc aHardwareBufferDescription = {};
          aHardwareBufferDescription.width                = size;
          aHardwareBufferDescription.height               = 1;
          aHardwareBufferDescription.layers               = 1;
          aHardwareBufferDescription.format               = AHARDWAREBUFFER_FORMAT_BLOB;
          aHardwareBufferDescription.usage =
              AHARDWAREBUFFER_USAGE_CPU_READ_RARELY | AHARDWAREBUFFER_USAGE_GPU_DATA_BUFFER;
          aHardwareBufferDescription.stride = 0;
  
          // Allocate memory from Android Hardware Buffer
          AHardwareBuffer *aHardwareBuffer = nullptr;
          EXPECT_EQ(0, AHardwareBuffer_allocate(&aHardwareBufferDescription, &aHardwareBuffer));
  
          void *mappedMemory = nullptr;
          EXPECT_EQ(0, AHardwareBuffer_lock(aHardwareBuffer, AHARDWAREBUFFER_USAGE_CPU_WRITE_RARELY,
                                            -1, nullptr, &mappedMemory));
  
          // Need to grab the stride the implementation might have enforced
          AHardwareBuffer_describe(aHardwareBuffer, &aHardwareBufferDescription);
  
          memcpy(mappedMemory, data, size);
  
          EXPECT_EQ(0, AHardwareBuffer_unlock(aHardwareBuffer, nullptr));
          return aHardwareBuffer;
  #else
          return nullptr;
  #endif  // ANGLE_PLATFORM_ANDROID
      }
  
      void destroyAndroidHardwareBuffer(AHardwareBuffer *aHardwareBuffer)
      {
  #if defined(ANGLE_AHARDWARE_BUFFER_SUPPORT)
          AHardwareBuffer_release(aHardwareBuffer);
  #endif
      }
  
      void *lockAndroidHardwareBuffer(AHardwareBuffer *aHardwareBuffer)
      {
          void *data = nullptr;
  #if defined(ANGLE_AHARDWARE_BUFFER_SUPPORT)
          EXPECT_EQ(0, AHardwareBuffer_lock(aHardwareBuffer, AHARDWAREBUFFER_USAGE_CPU_READ_RARELY,
                                            -1, nullptr, &data));
  #endif
          return data;
      }
  
      void unlockAndroidHardwareBuffer(AHardwareBuffer *aHardwareBuffer)
      {
  #if defined(ANGLE_AHARDWARE_BUFFER_SUPPORT)
          AHardwareBuffer_unlock(aHardwareBuffer, nullptr);
  #endif
      }
  };
  
  // Testing subdata update with external buffer from AHB
  TEST_P(ExternalBufferTestES31, BufferSubData)
  {
      ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled("GL_EXT_external_buffer") ||
                         !IsGLExtensionEnabled("GL_EXT_buffer_storage"));
      constexpr uint8_t kBufferSize = 16;
      std::vector<GLubyte> initData(kBufferSize, 0xA);
  
      // Create the Image
      AHardwareBuffer *aHardwareBuffer;
      constexpr GLbitfield kFlags = GL_DYNAMIC_STORAGE_BIT_EXT;
      aHardwareBuffer             = createAndroidHardwareBuffer(kBufferSize, initData.data());
  
      GLBuffer buffer;
      glBindBuffer(GL_SHADER_STORAGE_BUFFER, buffer);
      glBufferStorageExternalEXT(GL_SHADER_STORAGE_BUFFER, 0, kBufferSize,
                                 eglGetNativeClientBufferANDROID(aHardwareBuffer), kFlags);
      ASSERT_GL_NO_ERROR();
  
      std::vector<GLubyte> expectedData(kBufferSize, 0xFF);
  
      glBufferSubData(GL_SHADER_STORAGE_BUFFER, 0, kBufferSize, expectedData.data());
      glFinish();
  
      ASSERT_GL_NO_ERROR();
  
      // Inspect the data written into the buffer using CPU access.
      uint8_t *data = static_cast<uint8_t *>(lockAndroidHardwareBuffer(aHardwareBuffer));
  
      for (uint32_t i = 0; i < kBufferSize; ++i)
      {
          EXPECT_EQ(data[i], 0xFF);
      }
  
      unlockAndroidHardwareBuffer(aHardwareBuffer);
      // Delete the source AHB when in use
      destroyAndroidHardwareBuffer(aHardwareBuffer);
  }
  
  // Testing dispatch compute shader external from source AHB
  TEST_P(ExternalBufferTestES31, DispatchCompute)
  {
      ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled("GL_EXT_external_buffer") ||
                         !IsGLExtensionEnabled("GL_EXT_buffer_storage"));
      constexpr char kCS[] = R"(#version 310 es
      layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
      layout(std430, binding=0) buffer Output {
          uint data[];
      } bOutput;
      void main() {
          bOutput.data[gl_GlobalInvocationID.x] =
              gl_GlobalInvocationID.x * 3u;
      }
  )";
  
      constexpr uint8_t kBufferSize = 16 * 4;
      std::vector<GLubyte> initData(kBufferSize, 0xA);
  
      // Create the Image
      AHardwareBuffer *aHardwareBuffer;
      constexpr GLbitfield kFlags = GL_MAP_READ_BIT;
      aHardwareBuffer             = createAndroidHardwareBuffer(kBufferSize, initData.data());
  
      GLBuffer buffer;
      glBindBuffer(GL_SHADER_STORAGE_BUFFER, buffer);
      glBufferStorageExternalEXT(GL_SHADER_STORAGE_BUFFER, 0, kBufferSize,
                                 eglGetNativeClientBufferANDROID(aHardwareBuffer), kFlags);
  
      ASSERT_GL_NO_ERROR();
  
      GLProgram program;
      program.makeCompute(kCS);
      ASSERT_NE(program.get(), 0U);
      ASSERT_GL_NO_ERROR();
  
      glUseProgram(program);
      glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, buffer);
      glDispatchCompute(kBufferSize, 1, 1);
      glFinish();
      ASSERT_GL_NO_ERROR();
  
      // Inspect the data written into the buffer using CPU access.
      uint32_t *data = static_cast<uint32_t *>(lockAndroidHardwareBuffer(aHardwareBuffer));
  
      for (uint32_t i = 0; i < (kBufferSize / sizeof(uint32_t)); ++i)
      {
          EXPECT_EQ(data[i], static_cast<uint32_t>(i * 3));
      }
  
      unlockAndroidHardwareBuffer(aHardwareBuffer);
      // Delete the source AHB when in use
      destroyAndroidHardwareBuffer(aHardwareBuffer);
  }
  
  // Test interaction between GL_OES_mapbuffer and GL_EXT_external_buffer extensions.
  TEST_P(ExternalBufferTestES31, MapBuffer)
  {
      ANGLE_SKIP_TEST_IF(!IsGLExtensionEnabled("GL_EXT_external_buffer") ||
                         !IsGLExtensionEnabled("GL_EXT_buffer_storage") ||
                         !IsGLExtensionEnabled("GL_EXT_map_buffer_range"));
      constexpr uint8_t kBufferSize = 16;
      std::vector<GLubyte> initData(kBufferSize, 0xFF);
  
      // Create the Image
      AHardwareBuffer *aHardwareBuffer;
      constexpr GLbitfield kFlags = (GL_MAP_READ_BIT_EXT | GL_MAP_WRITE_BIT_EXT);
      aHardwareBuffer             = createAndroidHardwareBuffer(kBufferSize, initData.data());
  
      GLBuffer buffer;
      glBindBuffer(GL_SHADER_STORAGE_BUFFER, buffer);
      glBufferStorageExternalEXT(GL_SHADER_STORAGE_BUFFER, 0, kBufferSize,
                                 eglGetNativeClientBufferANDROID(aHardwareBuffer), kFlags);
  
      ASSERT_GL_NO_ERROR();
  
      // Inspect the data written into the buffer using CPU access.
      uint8_t *data = static_cast<uint8_t *>(
          glMapBufferRangeEXT(GL_SHADER_STORAGE_BUFFER, 0, kBufferSize, GL_MAP_READ_BIT_EXT));
      ASSERT_GL_NO_ERROR();
  
      for (uint32_t i = 0; i < kBufferSize; ++i)
      {
          EXPECT_EQ(data[i], 0xFF);
      }
  
      glUnmapBufferOES(GL_SHADER_STORAGE_BUFFER);
      // Delete the source AHB when in use
      destroyAndroidHardwareBuffer(aHardwareBuffer);
  }
  
  ANGLE_INSTANTIATE_TEST_ES31(ExternalBufferTestES31);
  }  // namespace angle
  

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