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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
1 changed files with 1 additions and 1 deletions
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src/video_core/renderer_opengl/gl_texture_cache.h
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@ -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;