Method CopyDepthArrayToTex2DMS

renderdoc/driver/gl/gl_msaa_array_conv.cpp:460–593

}

void WrappedOpenGL::CopyDepthArrayToTex2DMS(GLuint destMS, GLuint srcArray, GLint width,
                                            GLint height, GLint arraySize, GLint samples,
                                            GLenum intFormat, uint32_t selectedSlice)
{
  GLMarkerRegion renderoverlay("CopyDepthArrayToTex2DMS");

  bool singleSliceMode = (selectedSlice != ~0U);

  WrappedOpenGL &drv = *this;

  const ArrayMSPrograms &arrms = GetArrayMS();

  GLRenderState rs;
  rs.FetchState(this);

  GLuint vao = 0;
  drv.glGenVertexArrays(1, &vao);
  drv.glBindVertexArray(vao);

  GLuint texs[3];
  drv.glGenTextures(3, texs);
  drv.glTextureView(texs[0], eGL_TEXTURE_2D_MULTISAMPLE_ARRAY, destMS, intFormat, 0, 1, 0, arraySize);
  drv.glTextureView(texs[1], eGL_TEXTURE_2D_ARRAY, srcArray, intFormat, 0, 1, 0, arraySize * samples);
  drv.glTextureView(texs[2], eGL_TEXTURE_2D_ARRAY, srcArray, intFormat, 0, 1, 0, arraySize * samples);
  drv.glTextureParameteriEXT(texs[0], eGL_TEXTURE_2D_MULTISAMPLE_ARRAY, eGL_TEXTURE_BASE_LEVEL, 0);
  drv.glTextureParameteriEXT(texs[0], eGL_TEXTURE_2D_MULTISAMPLE_ARRAY, eGL_TEXTURE_MAX_LEVEL, 0);

  GLuint fbo = 0;
  drv.glGenFramebuffers(1, &fbo);
  drv.glBindFramebuffer(eGL_FRAMEBUFFER, fbo);
  drv.glDrawBuffers(0, NULL);

  drv.glUseProgram(arrms.DepthArray2MS);
  drv.glViewport(0, 0, width, height);

  drv.glDisable(eGL_CULL_FACE);
  drv.glDisable(eGL_BLEND);
  drv.glDisable(eGL_SCISSOR_TEST);
  if(!IsGLES)
    drv.glPolygonMode(eGL_FRONT_AND_BACK, eGL_FILL);
  drv.glEnable(eGL_DEPTH_TEST);
  drv.glEnable(eGL_STENCIL_TEST);
  drv.glDepthFunc(eGL_ALWAYS);
  drv.glDepthMask(GL_TRUE);
  drv.glEnable(eGL_SAMPLE_SHADING);
  drv.glEnable(eGL_SAMPLE_MASK);
  drv.glStencilOp(eGL_REPLACE, eGL_REPLACE, eGL_REPLACE);
  drv.glStencilMask(0xff);

  uint32_t numStencil = 1;
  GLenum attach = eGL_DEPTH_ATTACHMENT;

  switch(GetBaseFormat(intFormat))
  {
    case eGL_DEPTH_STENCIL:
      numStencil = 256;
      attach = eGL_DEPTH_STENCIL_ATTACHMENT;
      break;