GPU Garbage Collection: Fix regressions.

src/video_core/renderer_opengl/gl_device.cpp

@@ -282,7 +282,7 @@ void main() {
 
 u64 Device::GetCurrentDedicatedVideoMemory() const {
     GLint cur_avail_mem_kb = 0;
-    glGetIntegerv(GL_GPU_MEMORY_INFO_DEDICATED_VIDMEM_NVX, &cur_avail_mem_kb);
+    glGetIntegerv(GL_GPU_MEMORY_INFO_TOTAL_AVAILABLE_MEMORY_NVX, &cur_avail_mem_kb);
     return static_cast<u64>(cur_avail_mem_kb) * 1_KiB;
 }
 

src/video_core/texture_cache/texture_cache.h

@@ -1080,8 +1080,6 @@ ImageId TextureCache<P>::JoinImages(const ImageInfo& info, GPUVAddr gpu_addr, VA
         Image& overlap = slot_images[overlap_id];
         if (True(overlap.flags & ImageFlagBits::GpuModified)) {
             new_image.flags |= ImageFlagBits::GpuModified;
-            new_image.modification_tick =
-                std::max(overlap.modification_tick, new_image.modification_tick);
         }
         if (overlap.info.num_samples != new_image.info.num_samples) {
             LOG_WARNING(HW_GPU, "Copying between images with different samples is not implemented");