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authorChia-I Wu <olv@lunarg.com>2010-08-01 14:27:56 +0800
committerChia-I Wu <olv@lunarg.com>2010-08-25 16:06:38 +0800
commit94e8d4171d9647db84cd53334a2b14fab062640d (patch)
treed7e50cd7d0ed73a0515af9cce6b8fc0e2dc3cddf /src/gallium/drivers
parent4f024e0f642f4f743e4d051ec71c00e45bfd361f (diff)
svga: Remove redundant svga_draw_range_elements.
That is, implement draw_vbo directly. As a result, svga_swtnl_draw_range_elements is also replaced by svga_swtnl_draw_vbo. This commit should not have any functional change.
Diffstat (limited to 'src/gallium/drivers')
-rw-r--r--src/gallium/drivers/svga/svga_pipe_draw.c82
-rw-r--r--src/gallium/drivers/svga/svga_swtnl.h11
-rw-r--r--src/gallium/drivers/svga/svga_swtnl_draw.c39
3 files changed, 45 insertions, 87 deletions
diff --git a/src/gallium/drivers/svga/svga_pipe_draw.c b/src/gallium/drivers/svga/svga_pipe_draw.c
index de08bc5e56..001ec3616c 100644
--- a/src/gallium/drivers/svga/svga_pipe_draw.c
+++ b/src/gallium/drivers/svga/svga_pipe_draw.c
@@ -146,23 +146,15 @@ retry:
}
-
-
-
static void
-svga_draw_range_elements( struct pipe_context *pipe,
- struct pipe_resource *index_buffer,
- unsigned index_size,
- int index_bias,
- unsigned min_index,
- unsigned max_index,
- unsigned prim, unsigned start, unsigned count)
+svga_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
{
struct svga_context *svga = svga_context( pipe );
- unsigned reduced_prim = u_reduced_prim(prim);
+ unsigned reduced_prim = u_reduced_prim( info->mode );
+ unsigned count = info->count;
enum pipe_error ret = 0;
- if (!u_trim_pipe_prim( prim, &count ))
+ if (!u_trim_pipe_prim( info->mode, &count ))
return;
/*
@@ -187,34 +179,32 @@ svga_draw_range_elements( struct pipe_context *pipe,
return;
#endif
- if (svga->state.sw.need_swtnl)
- {
- ret = svga_swtnl_draw_range_elements( svga,
- index_buffer,
- index_size,
- index_bias,
- min_index, max_index,
- prim,
- start, count );
+ if (svga->state.sw.need_swtnl) {
+ ret = svga_swtnl_draw_vbo( svga, info );
}
else {
- if (index_buffer) {
+ if (info->indexed && svga->curr.ib.buffer) {
+ unsigned offset;
+
+ assert(svga->curr.ib.offset % svga->curr.ib.index_size == 0);
+ offset = svga->curr.ib.offset / svga->curr.ib.index_size;
+
ret = retry_draw_range_elements( svga,
- index_buffer,
- index_size,
- index_bias,
- min_index,
- max_index,
- prim,
- start,
- count,
+ svga->curr.ib.buffer,
+ svga->curr.ib.index_size,
+ info->index_bias,
+ info->min_index,
+ info->max_index,
+ info->mode,
+ info->start + offset,
+ info->count,
TRUE );
}
else {
- ret = retry_draw_arrays( svga,
- prim,
- start,
- count,
+ ret = retry_draw_arrays( svga,
+ info->mode,
+ info->start,
+ info->count,
TRUE );
}
}
@@ -226,30 +216,6 @@ svga_draw_range_elements( struct pipe_context *pipe,
}
-static void
-svga_draw_vbo(struct pipe_context *pipe, const struct pipe_draw_info *info)
-{
- struct svga_context *svga = svga_context(pipe);
-
- if (info->indexed && svga->curr.ib.buffer) {
- unsigned offset;
-
- assert(svga->curr.ib.offset % svga->curr.ib.index_size == 0);
- offset = svga->curr.ib.offset / svga->curr.ib.index_size;
-
- svga_draw_range_elements(pipe, svga->curr.ib.buffer,
- svga->curr.ib.index_size, info->index_bias,
- info->min_index, info->max_index,
- info->mode, info->start + offset, info->count);
- }
- else {
- svga_draw_range_elements(pipe, NULL, 0, 0,
- info->min_index, info->max_index,
- info->mode, info->start, info->count);
- }
-}
-
-
void svga_init_draw_functions( struct svga_context *svga )
{
svga->pipe.draw_vbo = svga_draw_vbo;
diff --git a/src/gallium/drivers/svga/svga_swtnl.h b/src/gallium/drivers/svga/svga_swtnl.h
index 65c675f99c..fc094e5142 100644
--- a/src/gallium/drivers/svga/svga_swtnl.h
+++ b/src/gallium/drivers/svga/svga_swtnl.h
@@ -38,15 +38,8 @@ void svga_destroy_swtnl( struct svga_context *svga );
enum pipe_error
-svga_swtnl_draw_range_elements(struct svga_context *svga,
- struct pipe_resource *indexBuffer,
- unsigned indexSize,
- int indexBias,
- unsigned min_index,
- unsigned max_index,
- unsigned prim,
- unsigned start,
- unsigned count);
+svga_swtnl_draw_vbo(struct svga_context *svga,
+ const struct pipe_draw_info *info);
#endif
diff --git a/src/gallium/drivers/svga/svga_swtnl_draw.c b/src/gallium/drivers/svga/svga_swtnl_draw.c
index eb71c23195..4f83822b5c 100644
--- a/src/gallium/drivers/svga/svga_swtnl_draw.c
+++ b/src/gallium/drivers/svga/svga_swtnl_draw.c
@@ -36,13 +36,8 @@
enum pipe_error
-svga_swtnl_draw_range_elements(struct svga_context *svga,
- struct pipe_resource *indexBuffer,
- unsigned indexSize,
- int indexBias,
- unsigned min_index,
- unsigned max_index,
- unsigned prim, unsigned start, unsigned count)
+svga_swtnl_draw_vbo(struct svga_context *svga,
+ const struct pipe_draw_info *info)
{
struct pipe_transfer *vb_transfer[PIPE_MAX_ATTRIBS];
struct pipe_transfer *ib_transfer = NULL;
@@ -77,18 +72,22 @@ svga_swtnl_draw_range_elements(struct svga_context *svga,
}
/* Map index buffer, if present */
- if (indexBuffer) {
- map = pipe_buffer_map(&svga->pipe, indexBuffer,
+ map = NULL;
+ if (info->indexed && svga->curr.ib.buffer) {
+ map = pipe_buffer_map(&svga->pipe, svga->curr.ib.buffer,
PIPE_TRANSFER_READ,
- &ib_transfer);
-
- draw_set_mapped_element_buffer_range(draw,
- indexSize, indexBias,
- min_index,
- max_index,
- map);
+ &ib_transfer);
+ if (map)
+ map = (const void *) ((const char *) map + svga->curr.ib.offset);
}
-
+
+ draw_set_mapped_element_buffer_range(draw, (map) ?
+ svga->curr.ib.index_size : 0,
+ info->index_bias,
+ info->min_index,
+ info->max_index,
+ map);
+
if (svga->curr.cb[PIPE_SHADER_VERTEX]) {
map = pipe_buffer_map(&svga->pipe,
svga->curr.cb[PIPE_SHADER_VERTEX],
@@ -101,7 +100,7 @@ svga_swtnl_draw_range_elements(struct svga_context *svga,
svga->curr.cb[PIPE_SHADER_VERTEX]->width0);
}
- draw_arrays(svga->swtnl.draw, prim, start, count);
+ draw_arrays(draw, info->mode, info->start, info->count);
draw_flush(svga->swtnl.draw);
@@ -117,8 +116,8 @@ svga_swtnl_draw_range_elements(struct svga_context *svga,
draw_set_mapped_vertex_buffer(draw, i, NULL);
}
- if (indexBuffer) {
- pipe_buffer_unmap(&svga->pipe, indexBuffer, ib_transfer);
+ if (ib_transfer) {
+ pipe_buffer_unmap(&svga->pipe, svga->curr.ib.buffer, ib_transfer);
draw_set_mapped_element_buffer(draw, 0, 0, NULL);
}