White screen before building

Pkeod · September 21, 2021, 8:37pm

For OpenGL, Vulkan has one too.

engine/graphics/src/opengl/graphics_opengl.cpp

b5b758261


      
                  if(memcmp(data, gpu_data, sizeof(data))!=0)
                  {
                      dmLogDebug("ValidateAsyncJobProcessing cpu<->gpu data check failed. Unable to verify async texture access integrity.");
                      return false;
                  }
              }
          
              return true;
          }
          
          static WindowResult OpenGLOpenWindow(HContext context, WindowParams *params)
          {
              assert(context);
              assert(params);
          
              if (context->m_WindowOpened) return WINDOW_RESULT_ALREADY_OPENED;
          
              if (params->m_HighDPI) {
                  glfwOpenWindowHint(GLFW_WINDOW_HIGH_DPI, 1);
              }

https://www.glfw.org/GLFWUsersGuide273.pdf Newer but still lists the function.

Doesn’t look like a clear function is called right after opening the window for OpenGL or Vulkan, but I think it could be?

glClearColor(0, 0, 0, 1); – color from game.project ?
glClear( GL_COLOR_BUFFER_BIT );
glfwSwapBuffers();

builtin clear

github.com/defold/defold

engine/graphics/src/opengl/graphics_opengl.cpp

b5b758261


      
                  glfwSetWindowSize((int)width, (int)height);
              }
          }
          
          static void OpenGLGetDefaultTextureFilters(HContext context, TextureFilter& out_min_filter, TextureFilter& out_mag_filter)
          {
              out_min_filter = context->m_DefaultTextureMinFilter;
              out_mag_filter = context->m_DefaultTextureMagFilter;
          }
          
          static void OpenGLClear(HContext context, uint32_t flags, uint8_t red, uint8_t green, uint8_t blue, uint8_t alpha, float depth, uint32_t stencil)
          {
              assert(context);
              DM_PROFILE(Graphics, "Clear");
          
              float r = ((float)red)/255.0f;
              float g = ((float)green)/255.0f;
              float b = ((float)blue)/255.0f;
              float a = ((float)alpha)/255.0f;
              glClearColor(r, g, b, a);
              CHECK_GL_ERROR;