gl_texture_cache: Workaround slow PBO downloads on radeonsi

There's an optimization bug on non-git mesa versions where not
specifying GL_CLIENT_STORAGE_BIT causes very slow reads on the CPU
side.

Add this bit for all vendors.
This commit is contained in:
ReinUsesLisp 2021-07-20 14:02:08 -03:00
parent 16f983d33a
commit 2e2d6cf5e5

View File

@ -122,7 +122,7 @@ private:
bool has_broken_texture_view_formats = false;
StagingBuffers upload_buffers{GL_MAP_WRITE_BIT, GL_MAP_WRITE_BIT | GL_MAP_FLUSH_EXPLICIT_BIT};
StagingBuffers download_buffers{GL_MAP_READ_BIT, GL_MAP_READ_BIT};
StagingBuffers download_buffers{GL_MAP_READ_BIT | GL_CLIENT_STORAGE_BIT, GL_MAP_READ_BIT};
OGLTexture null_image_1d_array;
OGLTexture null_image_cube_array;