Results 2 issues of rcaridade145

While running decaf with debug enabled i came across the following validation errors: `21:17:44.977026 warning:decaf] Vulkan Debug Report: { Error }, Pipeline, 532163627844068, 18446744072242842455, 0, Validation, Validation Error: [ VUID-vkCmdDraw-blendEnable-04727...

Clear the display buffer before allocating new buffers.