gallium/auxiliary/indices: add u_primconvert

A convenient front end to indices generate/translate code, for emulating
primitives which are not supported natively by the driver.

This handles saving/restoring index buffer state, etc.

Signed-off-by: Rob Clark <[email protected]>
Reviewed-by: Brian Paul <[email protected]>

1 files changed, 45 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/indices/u_primconvert.h b/src/gallium/auxiliary/indices/u_primconvert.h
new file mode 100644
index 00000000000..73ffea0ca29
--- /dev/null
+++ b/src/gallium/auxiliary/indices/u_primconvert.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2013 Rob Clark <[email protected]>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Authors:
+ *    Rob Clark <[email protected]>
+ */
+
+#ifndef U_PRIMCONVERT_H_
+#define U_PRIMCONVERT_H_
+
+#include "pipe/p_state.h"
+
+struct primconvert_context;
+
+struct primconvert_context *util_primconvert_create(struct pipe_context *pipe,
+                                                    uint32_t primtypes_mask);
+void util_primconvert_destroy(struct primconvert_context *pc);
+void util_primconvert_save_index_buffer(struct primconvert_context *pc,
+                                        const struct pipe_index_buffer *ib);
+void util_primconvert_save_rasterizer_state(struct primconvert_context *pc,
+                                            const struct pipe_rasterizer_state
+                                            *rast);
+void util_primconvert_draw_vbo(struct primconvert_context *pc,
+                               const struct pipe_draw_info *info);
+
+#endif /* U_PRIMCONVERT_H_ */