Alternative framebuffer approach

GPU/GLES/Framebuffer.cpp

@@ -617,26 +617,11 @@ static void EstimateDrawingSize(int &drawing_width, int &drawing_height) {
  }
 
  if (fb_stride > 0 && fb_stride < 512) {
- // Correct scissor size has to be used to render like character shadow in Mortal Kombat .
- if (fb_stride == scissor_width && region_width != scissor_width) { 
- drawing_width = scissor_width;
- drawing_height = scissor_height;
- } else {
- drawing_width = viewport_width;
- drawing_height = viewport_height;
- }
+ drawing_width = viewport_width;
+ drawing_height = viewport_height; 
  } else {
- // Correct region size has to be used when fb_width equals to region_width for exmaple GTA/Midnight Club/MSG Peace Maker .
- if (fb_stride == region_width && region_width == viewport_width) { 
- drawing_width = region_width;
- drawing_height = region_height;
- } else if (fb_stride == viewport_width) { 
- drawing_width = viewport_width;
- drawing_height = viewport_height;
- } else {
- drawing_width = default_width;
- drawing_height = default_height;
- }
+ drawing_width = region_width;
+ drawing_height = region_height;
  }
 }
 
@@ -721,19 +706,14 @@ void FramebufferManager::SetRenderFrameBuffer() {
  VirtualFramebuffer *vfb = 0;
  for (size_t i = 0; i < vfbs_.size(); ++i) {
  VirtualFramebuffer *v = vfbs_[i];
- if (MaskedEqual(v->fb_address, fb_address)) {
+ if (MaskedEqual(v->fb_address, fb_address) && v->format == fmt) {
  vfb = v;
  // Update fb stride in case it changed
  vfb->fb_stride = fb_stride;
  if (v->width < drawing_width && v->height < drawing_height) {
  v->width = drawing_width;
  v->height = drawing_height;
  }
- if (v->format != fmt) {
- v->width = drawing_width;
- v->height = drawing_height;
- v->format = fmt;
- }
  break;
  }
  }