diff options
| author | Eric Anholt <[email protected]> | 2009-10-19 17:54:42 -0700 |
|---|---|---|
| committer | Eric Anholt <[email protected]> | 2009-10-20 13:07:49 -0700 |
| commit | cbd20e18a0f82a653513d165694ed7bbb336e765 (patch) | |
| tree | 384ee4cd5adbcadd3f222d9ff46d2d26db450b55 | |
| parent | 478332b0c1f0198bc7063300d203c21e42796045 (diff) | |
meta: Fix the BufferSubData in meta clear to be BufferData.
Fixes a 3.4% +/- 1.3% performance regression in my GL demo (n=3). The
other meta code could probably also use the same treatment.
| -rw-r--r-- | src/mesa/drivers/common/meta.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c index ceb929f694f..b38f22e130e 100644 --- a/src/mesa/drivers/common/meta.c +++ b/src/mesa/drivers/common/meta.c @@ -1346,8 +1346,6 @@ _mesa_meta_Clear(GLcontext *ctx, GLbitfield buffers) /* create vertex array buffer */ _mesa_GenBuffersARB(1, &clear->VBO); _mesa_BindBufferARB(GL_ARRAY_BUFFER_ARB, clear->VBO); - _mesa_BufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), - NULL, GL_DYNAMIC_DRAW_ARB); /* setup vertex arrays */ _mesa_VertexPointer(3, GL_FLOAT, sizeof(struct vertex), OFFSET(x)); @@ -1423,7 +1421,8 @@ _mesa_meta_Clear(GLcontext *ctx, GLbitfield buffers) } /* upload new vertex data */ - _mesa_BufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts); + _mesa_BufferDataARB(GL_ARRAY_BUFFER_ARB, sizeof(verts), verts, + GL_DYNAMIC_DRAW_ARB); } /* draw quad */ |