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authorKeith Whitwell <[email protected]>2008-03-10 19:49:15 +0000
committerKeith Whitwell <[email protected]>2008-03-10 23:31:50 +0000
commit297b3be25a7f097fb9b1a79e332acddc12dcc3fe (patch)
treea44e37a8724483317f9858e9fcdd387a738c18e6 /src/gallium/auxiliary/draw
parentd08cd68d3f5456b69ad504ede2b090c0bb6474db (diff)
draw: placeholder/prototype code for a passthrough draw path
Diffstat (limited to 'src/gallium/auxiliary/draw')
-rw-r--r--src/gallium/auxiliary/draw/Makefile1
-rw-r--r--src/gallium/auxiliary/draw/SConscript1
-rw-r--r--src/gallium/auxiliary/draw/draw_context.c12
-rw-r--r--src/gallium/auxiliary/draw/draw_context.h5
-rw-r--r--src/gallium/auxiliary/draw/draw_private.h27
-rw-r--r--src/gallium/auxiliary/draw/draw_vbuf.h6
6 files changed, 52 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/draw/Makefile b/src/gallium/auxiliary/draw/Makefile
index 2daa1636f36..ce6667d8ecf 100644
--- a/src/gallium/auxiliary/draw/Makefile
+++ b/src/gallium/auxiliary/draw/Makefile
@@ -4,6 +4,7 @@ include $(TOP)/configs/current
LIBNAME = draw
C_SOURCES = \
+ draw_passthrough.c \
draw_aaline.c \
draw_aapoint.c \
draw_clip.c \
diff --git a/src/gallium/auxiliary/draw/SConscript b/src/gallium/auxiliary/draw/SConscript
index c18dcb2927a..5cb7664c85d 100644
--- a/src/gallium/auxiliary/draw/SConscript
+++ b/src/gallium/auxiliary/draw/SConscript
@@ -16,6 +16,7 @@ draw = env.ConvenienceLibrary(
'draw_offset.c',
'draw_prim.c',
'draw_pstipple.c',
+ 'draw_passthrough.c',
'draw_stipple.c',
'draw_twoside.c',
'draw_unfilled.c',
diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c
index 428b6209e05..bb64b50a177 100644
--- a/src/gallium/auxiliary/draw/draw_context.c
+++ b/src/gallium/auxiliary/draw/draw_context.c
@@ -34,6 +34,7 @@
#include "pipe/p_util.h"
#include "draw_context.h"
#include "draw_private.h"
+#include "draw_vbuf.h"
@@ -114,6 +115,10 @@ void draw_destroy( struct draw_context *draw )
draw->pipeline.rasterize->destroy( draw->pipeline.rasterize );
tgsi_exec_machine_free_data(&draw->machine);
align_free( draw->vs.queue[0].vertex ); /* Frees all the vertices. */
+
+ if (draw->render)
+ draw->render->destroy( draw->render );
+
FREE( draw );
}
@@ -349,3 +354,10 @@ void draw_reset_vertex_ids(struct draw_context *draw)
draw_vertex_cache_reset_vertex_ids(draw);
}
+
+
+void draw_set_render( struct draw_context *draw,
+ struct vbuf_render *render )
+{
+ draw->render = render;
+}
diff --git a/src/gallium/auxiliary/draw/draw_context.h b/src/gallium/auxiliary/draw/draw_context.h
index ab87b4127c0..df63e91a22d 100644
--- a/src/gallium/auxiliary/draw/draw_context.h
+++ b/src/gallium/auxiliary/draw/draw_context.h
@@ -168,4 +168,9 @@ unsigned draw_trim_prim( unsigned mode, unsigned count );
+
+struct vbuf_render;
+void draw_set_render( struct draw_context *draw,
+ struct vbuf_render *render );
+
#endif /* DRAW_CONTEXT_H */
diff --git a/src/gallium/auxiliary/draw/draw_private.h b/src/gallium/auxiliary/draw/draw_private.h
index c732d723a7f..25fa8c09c2f 100644
--- a/src/gallium/auxiliary/draw/draw_private.h
+++ b/src/gallium/auxiliary/draw/draw_private.h
@@ -162,8 +162,14 @@ typedef void (*full_fetch_func)( struct draw_context *draw,
const unsigned *elts,
unsigned count );
+typedef void (*pt_fetch_func)( struct draw_context *draw,
+ float *out,
+ unsigned start,
+ unsigned count );
+struct vbuf_render;
+
/**
* Private context for the drawing module.
*/
@@ -191,6 +197,17 @@ struct draw_context
struct draw_stage *rasterize;
} pipeline;
+
+ struct vbuf_render *render;
+
+ /* Support prototype passthrough path:
+ */
+ struct {
+ unsigned prim;
+ unsigned hw_vertex_size;
+ } pt;
+
+
/* pipe state that we need: */
const struct pipe_rasterizer_state *rasterizer;
struct pipe_viewport_state viewport;
@@ -244,6 +261,7 @@ struct draw_context
fetch_func fetch[PIPE_ATTRIB_MAX];
unsigned nr_attrs;
full_fetch_func fetch_func;
+ pt_fetch_func pt_fetch;
} vertex_fetch;
/* Post-tnl vertex cache:
@@ -331,6 +349,15 @@ struct tgsi_exec_machine;
extern void draw_update_vertex_fetch( struct draw_context *draw );
+/* Prototype/hack
+ */
+boolean
+draw_passthrough_arrays(struct draw_context *draw,
+ unsigned prim,
+ unsigned start,
+ unsigned count);
+
+
#define DRAW_FLUSH_SHADER_QUEUE 0x1 /* sized not to overflow, never raised */
#define DRAW_FLUSH_PRIM_QUEUE 0x2
#define DRAW_FLUSH_VERTEX_CACHE 0x4
diff --git a/src/gallium/auxiliary/draw/draw_vbuf.h b/src/gallium/auxiliary/draw/draw_vbuf.h
index cfd2b9820c1..5e7de905c16 100644
--- a/src/gallium/auxiliary/draw/draw_vbuf.h
+++ b/src/gallium/auxiliary/draw/draw_vbuf.h
@@ -85,6 +85,12 @@ struct vbuf_render {
const ushort *indices,
uint nr_indices );
+ /* Draw Arrays path too.
+ */
+ void (*draw_arrays)( struct vbuf_render *,
+ unsigned start,
+ uint nr );
+
/**
* Called when vbuf is done with this set of vertices:
*/