1 files changed, 86 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_vbo.c b/src/gallium/drivers/r300/r300_vbo.c
new file mode 100644
index 00000000000..6ebaf715dc5
--- /dev/null
+++ b/src/gallium/drivers/r300/r300_vbo.c
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2009 Maciej Cencora <[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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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.
+ */
+
+/* r300_vbo: Various helpers for emitting vertex buffers. Needs cleanup,
+ * refactoring, etc. */
+
+#include "r300_vbo.h"
+
+#include "pipe/p_format.h"
+
+#include "r300_cs.h"
+#include "r300_context.h"
+#include "r300_state_inlines.h"
+#include "r300_reg.h"
+#include "r300_winsys.h"
+
+static INLINE int get_buffer_offset(struct r300_context *r300,
+                                    unsigned int buf_nr,
+                                    unsigned int elem_offset)
+{
+    return r300->vertex_buffer[buf_nr].buffer_offset + elem_offset;
+}
+#if 0
+/* XXX not called at all */
+static void setup_vertex_buffers(struct r300_context *r300)
+{
+    struct pipe_vertex_element *vert_elem;
+    int i;
+
+    for (i = 0; i < r300->aos_count; i++)
+    {
+        vert_elem = &r300->vertex_element[i];
+            /* XXX use translate module to convert the data */
+        if (!format_is_supported(vert_elem->src_format,
+                                 vert_elem->nr_components)) {
+            assert(0);
+            /*
+            struct pipe_buffer *buf;
+            const unsigned int max_index = r300->vertex_buffers[vert_elem->vertex_buffer_index].max_index;
+            buf = pipe_buffer_create(r300->context.screen, 4, usage, vert_elem->nr_components * max_index * sizeof(float));
+            */
+        }
+
+        if (get_buffer_offset(r300,
+                              vert_elem->vertex_buffer_index,
+                              vert_elem->src_offset) % 4) {
+            /* XXX need to align buffer */
+            assert(0);
+        }
+    }
+}
+#endif
+/* XXX these shouldn't be asserts since we can work around bad indexbufs */
+void setup_index_buffer(struct r300_context *r300,
+                        struct pipe_buffer* indexBuffer,
+                        unsigned indexSize)
+{
+    if (!r300->winsys->add_buffer(r300->winsys, indexBuffer,
+                                  RADEON_GEM_DOMAIN_GTT, 0)) {
+        assert(0);
+    }
+
+    if (!r300->winsys->validate(r300->winsys)) {
+        assert(0);
+    }
+}