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-rw-r--r--src/mesa/vbo/vbo_exec_draw.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/mesa/vbo/vbo_exec_draw.c b/src/mesa/vbo/vbo_exec_draw.c
index 68aba1df66b..23a3658386c 100644
--- a/src/mesa/vbo/vbo_exec_draw.c
+++ b/src/mesa/vbo/vbo_exec_draw.c
@@ -221,8 +221,18 @@ void vbo_exec_vtx_flush( struct vbo_exec_context *exec )
if (exec->vtx.copied.nr != exec->vtx.vert_count) {
GLcontext *ctx = exec->ctx;
+ GLenum target = GL_ARRAY_BUFFER_ARB;
+ GLenum access = GL_READ_WRITE_ARB;
+ GLenum usage = GL_STREAM_DRAW_ARB;
+ GLsizei size = VBO_VERT_BUFFER_SIZE * sizeof(GLfloat);
+
+ /* Before the unmap (why?)
+ */
vbo_exec_bind_arrays( ctx );
+ ctx->Driver.UnmapBuffer(ctx, target, exec->vtx.bufferobj);
+ exec->vtx.buffer_map = NULL;
+
vbo_context(ctx)->draw_prims( ctx,
exec->vtx.inputs,
exec->vtx.prim,
@@ -230,6 +240,12 @@ void vbo_exec_vtx_flush( struct vbo_exec_context *exec )
NULL,
0,
exec->vtx.vert_count - 1);
+
+ /* Get new data:
+ */
+ ctx->Driver.BufferData(ctx, target, size, NULL, usage, exec->vtx.bufferobj);
+ exec->vtx.buffer_map
+ = ctx->Driver.MapBuffer(ctx, target, access, exec->vtx.bufferobj);
}
}