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Ensure we can always map for read even for non-persistent buffers

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baldurk
2019-09-18 13:55:04 +01:00
parent 35fec3f29e
commit 65cc331b10
1 changed files with 6 additions and 8 deletions
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renderdoc/driver/gl/wrappers/gl_buffer_funcs.cpp
+6 -8
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@@ -490,10 +490,9 @@ void WrappedOpenGL::glNamedBufferStorageEXT(GLuint buffer, GLsizeiptr size, cons
GLbitfield origflags = flags;
// if we're persistently writing, we want to be able to read as well, enable that.
uint32_t persistentWriteFlags = GL_MAP_PERSISTENT_BIT | GL_MAP_WRITE_BIT;
if((flags & persistentWriteFlags) == persistentWriteFlags)
flags |= GL_MAP_READ_BIT;
// we always want to be able to read. This is true for persistent maps, as well as
// non-invalidating maps which we need to readback the current contents before the map.
flags |= GL_MAP_READ_BIT;
SERIALISE_TIME_CALL(GL.glNamedBufferStorageEXT(buffer, size, data, flags));
@@ -527,10 +526,9 @@ void WrappedOpenGL::glBufferStorage(GLenum target, GLsizeiptr size, const void *
GLbitfield origflags = flags;
// if we're persistently writing, we want to be able to read as well, enable that.
uint32_t persistentWriteFlags = GL_MAP_PERSISTENT_BIT | GL_MAP_WRITE_BIT;
if((flags & persistentWriteFlags) == persistentWriteFlags)
flags |= GL_MAP_READ_BIT;
// we always want to be able to read. This is true for persistent maps, as well as
// non-invalidating maps which we need to readback the current contents before the map.
flags |= GL_MAP_READ_BIT;
SERIALISE_TIME_CALL(GL.glBufferStorage(target, size, data, flags));