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gl_texture_cache: Use Stream Buffers instead of Persistant for Buffer Copies.
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@ -148,12 +148,11 @@ void OGLBuffer::Release() {
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handle = 0;
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}
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void OGLBuffer::MakePersistant(std::size_t buffer_size) {
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void OGLBuffer::MakeStreamCopy(std::size_t buffer_size) {
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if (handle == 0 || buffer_size == 0)
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return;
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const GLbitfield flags = GL_MAP_PERSISTENT_BIT | GL_MAP_WRITE_BIT | GL_MAP_READ_BIT;
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glNamedBufferStorage(handle, static_cast<GLsizeiptr>(buffer_size), nullptr, flags);
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glNamedBufferData(handle, buffer_size, nullptr, GL_STREAM_COPY);
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}
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void OGLSync::Create() {
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@ -187,7 +187,7 @@ public:
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void Release();
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// Converts the buffer into a persistant storage buffer
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void MakePersistant(std::size_t buffer_size);
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void MakeStreamCopy(std::size_t buffer_size);
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GLuint handle = 0;
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};
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@ -599,7 +599,7 @@ GLuint TextureCacheOpenGL::FetchPBO(std::size_t buffer_size) {
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if (cp.handle == 0) {
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const std::size_t ceil_size = 1ULL << l2;
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cp.Create();
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cp.MakePersistant(ceil_size);
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cp.MakeStreamCopy(ceil_size);
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}
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return cp.handle;
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}
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