From 6d4e337f3890105c7d8a2f132412c137d2570d25 Mon Sep 17 00:00:00 2001 From: Thomas Hellstrom Date: Wed, 9 Mar 2011 12:39:14 +0100 Subject: gallium/svga: Only upload parts of vertexarrays that are actually used Make sure we only upload parts of vertex arrays that are actually used by a draw command. Signed-off-by: Thomas Hellstrom --- src/gallium/drivers/svga/svga_draw_arrays.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'src/gallium/drivers/svga/svga_draw_arrays.c') diff --git a/src/gallium/drivers/svga/svga_draw_arrays.c b/src/gallium/drivers/svga/svga_draw_arrays.c index a6518042eb..1bb29cc233 100644 --- a/src/gallium/drivers/svga/svga_draw_arrays.c +++ b/src/gallium/drivers/svga/svga_draw_arrays.c @@ -32,6 +32,7 @@ #include "svga_draw.h" #include "svga_draw_private.h" #include "svga_context.h" +#include "svga_resource_buffer.h" #define DBG 0 @@ -191,6 +192,8 @@ simple_draw_arrays( struct svga_hwtnl *hwtnl, SVGA3dPrimitiveRange range; unsigned hw_prim; unsigned hw_count; + unsigned i; + unsigned src_offs; hw_prim = svga_translate_prim(prim, count, &hw_count); if (hw_count == 0) @@ -209,6 +212,22 @@ simple_draw_arrays( struct svga_hwtnl *hwtnl, * looking at those numbers knows to adjust them by * range.indexBias. */ + + for (i = 0; i < hwtnl->cmd.vdecl_count; i++) { + struct pipe_resource *vb = hwtnl->cmd.vdecl_vb[i]; + struct svga_buffer *sbuf = svga_buffer(vb); + unsigned stride = hwtnl->cmd.vdecl[i].array.stride; + unsigned tmp_src_offs = sbuf->source_offset; + + if (stride) + tmp_src_offs /= stride; + assert(i == 0 || tmp_src_offs == src_offs); + src_offs = tmp_src_offs; + } + + range.indexBias = start - src_offs; + assert(range.indexBias >= 0); + return svga_hwtnl_prim( hwtnl, &range, 0, count - 1, NULL ); } -- cgit v1.2.3