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authorBrian <brian.paul@tungstengraphics.com>2007-08-15 11:45:54 -0600
committerBrian <brian.paul@tungstengraphics.com>2007-08-15 11:45:54 -0600
commitbff0411c5a1a9fdfff7f8a5128af4d496b89fa0d (patch)
treedf9eff2972f8e732dcd789bef59b60eaddfac26d /src/mesa/state_tracker
parentf30093418928dce5872ea179ed5d21d3b24b7c82 (diff)
sketch out vbo drawing function
Diffstat (limited to 'src/mesa/state_tracker')
-rw-r--r--src/mesa/state_tracker/st_draw.c58
1 files changed, 57 insertions, 1 deletions
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index 95fa43df4d..002565a658 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -30,7 +30,9 @@
* Keith Whitwell <keith@tungstengraphics.com>
*/
-#include "imports.h"
+#include "main/imports.h"
+
+#include "vbo/vbo.h"
#include "tnl/t_context.h"
#include "tnl/t_pipeline.h"
@@ -38,7 +40,10 @@
#include "st_context.h"
#include "st_atom.h"
#include "st_draw.h"
+#include "st_cb_bufferobjects.h"
#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+
/*
* TNL stage which feeds into the above.
@@ -88,6 +93,57 @@ static const struct tnl_pipeline_stage *st_pipeline[] = {
0,
};
+
+
+/**
+ * This function gets plugged into the VBO module and is called when
+ * we have something to render.
+ * Basically, translate the information into the format expected by pipe.
+ */
+static void
+draw_vbo(GLcontext *ctx,
+ const struct gl_client_array **arrays,
+ const struct _mesa_prim *prims,
+ GLuint nr_prims,
+ const struct _mesa_index_buffer *ib,
+ GLuint min_index,
+ GLuint max_index)
+{
+ struct pipe_context *pipe = ctx->st->pipe;
+ GLuint attr;
+
+ /* tell pipe about the vertex array element/attributes */
+ for (attr = 0; attr < 16; attr++) {
+ struct gl_buffer_object *bufobj = arrays[attr]->BufferObj;
+ if (bufobj && bufobj->Name) {
+ struct st_buffer_object *stobj = st_buffer_object(bufobj);
+ struct pipe_buffer_handle *buffer = stobj->buffer;
+ GLenum type = arrays[attr]->Type;
+ GLint size = arrays[attr]->Size;
+ struct pipe_vertex_buffer vbuffer;
+ struct pipe_vertex_element velement;
+
+ vbuffer.pitch = 0;
+ vbuffer.max_index = 0;
+ vbuffer.buffer = NULL;
+ vbuffer.buffer_offset = 0;
+
+ velement.src_offset = 0;
+ velement.vertex_buffer_index = attr;
+ velement.dst_offset = 0;
+ velement.src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
+
+ pipe->set_vertex_buffer(pipe, attr, &vbuffer);
+ pipe->set_vertex_element(pipe, attr, &velement);
+ }
+ }
+
+ /* do actual drawing */
+}
+
+
+
+
/* This is all a hack to keep using tnl until we have vertex programs
* up and running.
*/