Method CopyDepthTex2DMSToArray

renderdoc/driver/gl/gl_msaa_array_conv.cpp:239–346

}

void WrappedOpenGL::CopyDepthTex2DMSToArray(GLuint &destArray, GLuint srcMS, GLint width,
                                            GLint height, GLint arraySize, GLint samples,
                                            GLenum intFormat)
{
  GLMarkerRegion renderoverlay("CopyDepthTex2DMSToArray");

  const ArrayMSPrograms &arrms = GetArrayMS();

  GLRenderState rs;
  rs.FetchState(this);

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

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

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

  GL.glUseProgram(arrms.DepthMS2Array);
  GL.glViewport(0, 0, width, height);

  GL.glDisable(eGL_CULL_FACE);
  GL.glDisable(eGL_BLEND);
  GL.glDisable(eGL_SCISSOR_TEST);
  if(!IsGLES)
    GL.glPolygonMode(eGL_FRONT_AND_BACK, eGL_FILL);
  GL.glEnable(eGL_DEPTH_TEST);
  GL.glEnable(eGL_STENCIL_TEST);
  GL.glDepthFunc(eGL_ALWAYS);
  GL.glDepthMask(GL_TRUE);
  GL.glStencilOp(eGL_REPLACE, eGL_REPLACE, eGL_REPLACE);
  GL.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;
    case eGL_DEPTH_COMPONENT:
      numStencil = 1;
      attach = eGL_DEPTH_ATTACHMENT;
      break;
    case eGL_STENCIL_INDEX:
      numStencil = 256;