diff options
| author | Eric Anholt <eric@anholt.net> | 2015-07-28 11:35:03 -0700 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2015-10-29 22:58:01 -0700 |
| commit | 04c42f3ab56a19089b46dea48615aeef8b8225da (patch) | |
| tree | d9f197e5374846dd31cb9aa755847adddb862298 /src/gallium/drivers/vc4/vc4_draw.c | |
| parent | 06fa2e864acea8f34eb3821523b1924fe8efdc9b (diff) | |
vc4: Allow user index buffers, to avoid slow readback for shadow IBs.
Improves low-settings openarena performance by 31.9975% +/- 0.659931%
(n=7).
Diffstat (limited to 'src/gallium/drivers/vc4/vc4_draw.c')
| -rw-r--r-- | src/gallium/drivers/vc4/vc4_draw.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/gallium/drivers/vc4/vc4_draw.c b/src/gallium/drivers/vc4/vc4_draw.c index da81599fcc3..624a236c573 100644 --- a/src/gallium/drivers/vc4/vc4_draw.c +++ b/src/gallium/drivers/vc4/vc4_draw.c @@ -25,6 +25,7 @@ #include "util/u_prim.h" #include "util/u_format.h" #include "util/u_pack_color.h" +#include "util/u_upload_mgr.h" #include "indices/u_primconvert.h" #include "vc4_context.h" @@ -319,7 +320,15 @@ vc4_draw_vbo(struct pipe_context *pctx, const struct pipe_draw_info *info) info->count, &offset); index_size = 2; } else { - prsc = vc4->indexbuf.buffer; + if (vc4->indexbuf.user_buffer) { + prsc = NULL; + u_upload_data(vc4->uploader, 0, + info->count * index_size, + vc4->indexbuf.user_buffer, + &offset, &prsc); + } else { + prsc = vc4->indexbuf.buffer; + } } struct vc4_resource *rsc = vc4_resource(prsc); @@ -334,7 +343,7 @@ vc4_draw_vbo(struct pipe_context *pctx, const struct pipe_draw_info *info) cl_reloc(vc4, &vc4->bcl, &bcl, rsc->bo, offset); cl_u32(&bcl, vc4->max_index); - if (vc4->indexbuf.index_size == 4) + if (vc4->indexbuf.index_size == 4 || vc4->indexbuf.user_buffer) pipe_resource_reference(&prsc, NULL); } else { cl_u8(&bcl, VC4_PACKET_GL_ARRAY_PRIMITIVE); |