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path: root/src/gallium/auxiliary/draw/draw_pipe_vbuf.c
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Diffstat (limited to 'src/gallium/auxiliary/draw/draw_pipe_vbuf.c')
-rw-r--r--src/gallium/auxiliary/draw/draw_pipe_vbuf.c98
1 files changed, 42 insertions, 56 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pipe_vbuf.c b/src/gallium/auxiliary/draw/draw_pipe_vbuf.c
index 9825e116c3..12325d30d6 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_vbuf.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_vbuf.c
@@ -29,12 +29,12 @@
* \file
* Vertex buffer drawing stage.
*
- * \author José Fonseca <jrfonsec@tungstengraphics.com>
+ * \author Jose Fonseca <jrfonsec@tungstengraphics.com>
* \author Keith Whitwell <keith@tungstengraphics.com>
*/
-#include "pipe/p_debug.h"
+#include "util/u_debug.h"
#include "util/u_math.h"
#include "util/u_memory.h"
@@ -93,7 +93,6 @@ vbuf_stage( struct draw_stage *stage )
}
-static void vbuf_flush_indices( struct vbuf_stage *vbuf );
static void vbuf_flush_vertices( struct vbuf_stage *vbuf );
static void vbuf_alloc_vertices( struct vbuf_stage *vbuf );
@@ -109,13 +108,12 @@ overflow( void *map, void *ptr, unsigned bytes, unsigned bufsz )
static INLINE void
check_space( struct vbuf_stage *vbuf, unsigned nr )
{
- if (vbuf->nr_vertices + nr > vbuf->max_vertices ) {
- vbuf_flush_vertices(vbuf);
- vbuf_alloc_vertices(vbuf);
+ if (vbuf->nr_vertices + nr > vbuf->max_vertices ||
+ vbuf->nr_indices + nr > vbuf->max_indices)
+ {
+ vbuf_flush_vertices( vbuf );
+ vbuf_alloc_vertices( vbuf );
}
-
- if (vbuf->nr_indices + nr > vbuf->max_indices )
- vbuf_flush_indices(vbuf);
}
@@ -202,7 +200,7 @@ vbuf_point( struct draw_stage *stage,
* will be flushed if needed and a new one allocated.
*/
static void
-vbuf_set_prim( struct vbuf_stage *vbuf, uint prim )
+vbuf_start_prim( struct vbuf_stage *vbuf, uint prim )
{
struct translate_key hw_key;
unsigned dst_offset;
@@ -217,11 +215,7 @@ vbuf_set_prim( struct vbuf_stage *vbuf, uint prim )
* state change.
*/
vbuf->vinfo = vbuf->render->get_vertex_info(vbuf->render);
-
- if (vbuf->vertex_size != vbuf->vinfo->size * sizeof(float)) {
- vbuf_flush_vertices(vbuf);
- vbuf->vertex_size = vbuf->vinfo->size * sizeof(float);
- }
+ vbuf->vertex_size = vbuf->vinfo->size * sizeof(float);
/* Translate from pipeline vertices to hw vertices.
*/
@@ -294,8 +288,8 @@ vbuf_set_prim( struct vbuf_stage *vbuf, uint prim )
/* Allocate new buffer?
*/
- if (!vbuf->vertices)
- vbuf_alloc_vertices(vbuf);
+ assert(vbuf->vertices == NULL);
+ vbuf_alloc_vertices(vbuf);
}
@@ -305,9 +299,9 @@ vbuf_first_tri( struct draw_stage *stage,
{
struct vbuf_stage *vbuf = vbuf_stage( stage );
- vbuf_flush_indices( vbuf );
+ vbuf_flush_vertices( vbuf );
+ vbuf_start_prim(vbuf, PIPE_PRIM_TRIANGLES);
stage->tri = vbuf_tri;
- vbuf_set_prim(vbuf, PIPE_PRIM_TRIANGLES);
stage->tri( stage, prim );
}
@@ -318,9 +312,9 @@ vbuf_first_line( struct draw_stage *stage,
{
struct vbuf_stage *vbuf = vbuf_stage( stage );
- vbuf_flush_indices( vbuf );
+ vbuf_flush_vertices( vbuf );
+ vbuf_start_prim(vbuf, PIPE_PRIM_LINES);
stage->line = vbuf_line;
- vbuf_set_prim(vbuf, PIPE_PRIM_LINES);
stage->line( stage, prim );
}
@@ -331,53 +325,42 @@ vbuf_first_point( struct draw_stage *stage,
{
struct vbuf_stage *vbuf = vbuf_stage( stage );
- vbuf_flush_indices( vbuf );
+ vbuf_flush_vertices(vbuf);
+ vbuf_start_prim(vbuf, PIPE_PRIM_POINTS);
stage->point = vbuf_point;
- vbuf_set_prim(vbuf, PIPE_PRIM_POINTS);
stage->point( stage, prim );
}
-static void
-vbuf_flush_indices( struct vbuf_stage *vbuf )
-{
- if(!vbuf->nr_indices)
- return;
-
- assert((uint) (vbuf->vertex_ptr - vbuf->vertices) ==
- vbuf->nr_vertices * vbuf->vertex_size / sizeof(unsigned));
-
- vbuf->render->draw(vbuf->render, vbuf->indices, vbuf->nr_indices);
-
- vbuf->nr_indices = 0;
-}
-
/**
* Flush existing vertex buffer and allocate a new one.
- *
- * XXX: We separate flush-on-index-full and flush-on-vb-full, but may
- * raise issues uploading vertices if the hardware wants to flush when
- * we flush.
*/
static void
vbuf_flush_vertices( struct vbuf_stage *vbuf )
{
- if(vbuf->vertices) {
- vbuf_flush_indices(vbuf);
-
+ if(vbuf->vertices) {
+
+ vbuf->render->unmap_vertices( vbuf->render, 0, vbuf->nr_vertices - 1 );
+
+ if (vbuf->nr_indices)
+ {
+ vbuf->render->draw(vbuf->render,
+ vbuf->indices,
+ vbuf->nr_indices );
+
+ vbuf->nr_indices = 0;
+ }
+
/* Reset temporary vertices ids */
if(vbuf->nr_vertices)
draw_reset_vertex_ids( vbuf->stage.draw );
/* Free the vertex buffer */
- vbuf->render->release_vertices(vbuf->render,
- vbuf->vertices,
- vbuf->vertex_size,
- vbuf->nr_vertices);
+ vbuf->render->release_vertices( vbuf->render );
+
vbuf->max_vertices = vbuf->nr_vertices = 0;
vbuf->vertex_ptr = vbuf->vertices = NULL;
-
}
}
@@ -394,14 +377,20 @@ vbuf_alloc_vertices( struct vbuf_stage *vbuf )
/* even number */
vbuf->max_vertices = vbuf->max_vertices & ~1;
+ if(vbuf->max_vertices >= UNDEFINED_VERTEX_ID)
+ vbuf->max_vertices = UNDEFINED_VERTEX_ID - 1;
+
/* Must always succeed -- driver gives us a
* 'max_vertex_buffer_bytes' which it guarantees it can allocate,
* and it will flush itself if necessary to do so. If this does
* fail, we are basically without usable hardware.
*/
- vbuf->vertices = (uint *) vbuf->render->allocate_vertices(vbuf->render,
- (ushort) vbuf->vertex_size,
- (ushort) vbuf->max_vertices);
+ vbuf->render->allocate_vertices(vbuf->render,
+ (ushort) vbuf->vertex_size,
+ (ushort) vbuf->max_vertices);
+
+ vbuf->vertices = (uint *) vbuf->render->map_vertices( vbuf->render );
+
vbuf->vertex_ptr = vbuf->vertices;
}
@@ -412,14 +401,11 @@ vbuf_flush( struct draw_stage *stage, unsigned flags )
{
struct vbuf_stage *vbuf = vbuf_stage( stage );
- vbuf_flush_indices( vbuf );
+ vbuf_flush_vertices( vbuf );
stage->point = vbuf_first_point;
stage->line = vbuf_first_line;
stage->tri = vbuf_first_tri;
-
- if (flags & DRAW_FLUSH_BACKEND)
- vbuf_flush_vertices( vbuf );
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-03-31 20:30:19 +0000