Merge pull request #1517 from bunnei/dma

GPU/DMA: Flush the source region and invalidate the destination region when doing a DMA transfer.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 468253033..3daccf82f 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -659,6 +659,12 @@ void RasterizerOpenGL::FlushAndInvalidateRegion(VAddr addr, u64 size) {
 bool RasterizerOpenGL::AccelerateSurfaceCopy(const Tegra::Engines::Fermi2D::Regs::Surface& src,
                                              const Tegra::Engines::Fermi2D::Regs::Surface& dst) {
     MICROPROFILE_SCOPE(OpenGL_Blits);
+
+    if (Settings::values.use_accurate_gpu_emulation) {
+        // Skip the accelerated copy and perform a slow but more accurate copy
+        return false;
+    }
+
     res_cache.FermiCopySurface(src, dst);
     return true;
 }