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authorJordan Justen <[email protected]>2012-05-07 15:50:21 -0700
committerJordan Justen <[email protected]>2012-05-17 10:54:26 -0700
commit862667b6d96022d75046c765aa1e9d8846b9d313 (patch)
tree0041c7f52eabc416fb9ceba80c2ad9bedd43fcc8 /src/mesa/vbo/vbo_exec_array.c
parentfc22fde9d8ba633f9f13ea0c46baa1c826d1377f (diff)
vbo: use software primitive restart in the VBO module
When PrimitiveRestartInSoftware is set, the VBO module will handle primitive restart scenarios before calling the vbo->draw_prims drawing function. Signed-off-by: Jordan Justen <[email protected]> Reviewed-by: Ian Romanick <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/mesa/vbo/vbo_exec_array.c')
-rw-r--r--src/mesa/vbo/vbo_exec_array.c43
1 files changed, 37 insertions, 6 deletions
diff --git a/src/mesa/vbo/vbo_exec_array.c b/src/mesa/vbo/vbo_exec_array.c
index 9303ad719fc..3fb7c6480bf 100644
--- a/src/mesa/vbo/vbo_exec_array.c
+++ b/src/mesa/vbo/vbo_exec_array.c
@@ -543,6 +543,37 @@ vbo_bind_arrays(struct gl_context *ctx)
/**
+ * Handle a draw case that potentially has primitive restart enabled.
+ *
+ * If primitive restart is enabled, and PrimitiveRestartInSoftware is
+ * set, then vbo_sw_primitive_restart is used to handle the primitive
+ * restart case in software.
+ */
+static void
+vbo_handle_primitive_restart(struct gl_context *ctx,
+ const struct _mesa_prim *prim,
+ GLuint nr_prims,
+ const struct _mesa_index_buffer *ib,
+ GLboolean index_bounds_valid,
+ GLuint min_index,
+ GLuint max_index)
+{
+ struct vbo_context *vbo = vbo_context(ctx);
+
+ if ((ib != NULL) &&
+ ctx->Const.PrimitiveRestartInSoftware &&
+ ctx->Array.PrimitiveRestart) {
+ /* Handle primitive restart in software */
+ vbo_sw_primitive_restart(ctx, prim, nr_prims, ib);
+ } else {
+ /* Call driver directly for draw_prims */
+ vbo->draw_prims(ctx, prim, nr_prims, ib,
+ index_bounds_valid, min_index, max_index, NULL);
+ }
+}
+
+
+/**
* Helper function called by the other DrawArrays() functions below.
* This is where we handle primitive restart for drawing non-indexed
* arrays. If primitive restart is enabled, it typically means
@@ -805,8 +836,8 @@ vbo_validated_drawrangeelements(struct gl_context *ctx, GLenum mode,
*/
check_buffers_are_unmapped(exec->array.inputs);
- vbo->draw_prims( ctx, prim, 1, &ib,
- index_bounds_valid, start, end, NULL );
+ vbo_handle_primitive_restart(ctx, prim, 1, &ib,
+ index_bounds_valid, start, end);
if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) {
_mesa_flush(ctx);
@@ -1104,8 +1135,8 @@ vbo_validated_multidrawelements(struct gl_context *ctx, GLenum mode,
}
check_buffers_are_unmapped(exec->array.inputs);
- vbo->draw_prims(ctx, prim, primcount, &ib,
- GL_FALSE, ~0, ~0, NULL);
+ vbo_handle_primitive_restart(ctx, prim, primcount, &ib,
+ GL_FALSE, ~0, ~0);
} else {
/* render one prim at a time */
for (i = 0; i < primcount; i++) {
@@ -1129,8 +1160,8 @@ vbo_validated_multidrawelements(struct gl_context *ctx, GLenum mode,
prim[0].basevertex = 0;
check_buffers_are_unmapped(exec->array.inputs);
- vbo->draw_prims(ctx, prim, 1, &ib,
- GL_FALSE, ~0, ~0, NULL);
+ vbo_handle_primitive_restart(ctx, prim, 1, &ib,
+ GL_FALSE, ~0, ~0);
}
}