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gl_staging_buffer: Add missing GL_CLIENT_STORAGE_BIT

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Fixes a performance regression where the OpenGL server was transfering
data from server to client halting execution on texture usage up to 17ms
per frame.
This commit is contained in:
ReinUsesLisp
2019-08-16 21:47:17 -03:00
parent b65871407e
commit 58659a702d
1 changed files with 4 additions and 2 deletions
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6
src/video_core/renderer_opengl/gl_staging_buffer.cpp
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@@ -15,8 +15,10 @@ class PersistentStagingBuffer final : public StagingBuffer {
public:
explicit PersistentStagingBuffer(std::size_t size, bool is_read_buffer)
: is_read_buffer{is_read_buffer} {
constexpr GLenum storage_read = GL_MAP_PERSISTENT_BIT | GL_MAP_READ_BIT;
constexpr GLenum storage_write = GL_MAP_PERSISTENT_BIT | GL_MAP_WRITE_BIT;
constexpr GLenum storage_read =
GL_CLIENT_STORAGE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_READ_BIT;
constexpr GLenum storage_write =
GL_CLIENT_STORAGE_BIT | GL_MAP_PERSISTENT_BIT | GL_MAP_WRITE_BIT;
constexpr GLenum map_read = GL_MAP_PERSISTENT_BIT | GL_MAP_READ_BIT;
constexpr GLenum map_write = GL_MAP_PERSISTENT_BIT | GL_MAP_WRITE_BIT |
GL_MAP_FLUSH_EXPLICIT_BIT | GL_MAP_UNSYNCHRONIZED_BIT;