diff options
| author | Marek Olšák <maraeo@gmail.com> | 2012-11-23 00:38:44 +0100 |
|---|---|---|
| committer | Marek Olšák <maraeo@gmail.com> | 2012-11-23 01:39:18 +0100 |
| commit | 8b2922ff5aa68b5dca90d5b83d1e31da48b069b3 (patch) | |
| tree | 8ef1db0d57d62d9ed47b455e98097786251e8a45 | |
| parent | b55c98ea4124f63a6a4b5ecf349ae80404449695 (diff) | |
r600g: fix broken streamout if streamout_begin caused a context flush
This fixes graphics corruption in the case where the DISCARD_RANGE flag
is used to map a buffer.
NOTE: This is a candidate for the stable branches.
(cherry picked from commit cff4c948ed2708a6eb4b090ae87443a707cbd67f)
| -rw-r--r-- | src/gallium/drivers/r600/r600_hw_context.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/gallium/drivers/r600/r600_hw_context.c b/src/gallium/drivers/r600/r600_hw_context.c index 5c9c21f242b..af27fd9fe04 100644 --- a/src/gallium/drivers/r600/r600_hw_context.c +++ b/src/gallium/drivers/r600/r600_hw_context.c @@ -1080,13 +1080,14 @@ void r600_context_streamout_begin(struct r600_context *ctx) unsigned *stride_in_dw = ctx->vs_shader->so.stride; unsigned buffer_en, i, update_flags = 0; uint64_t va; + unsigned num_cs_dw_streamout_end; buffer_en = (ctx->num_so_targets >= 1 && t[0] ? 1 : 0) | (ctx->num_so_targets >= 2 && t[1] ? 2 : 0) | (ctx->num_so_targets >= 3 && t[2] ? 4 : 0) | (ctx->num_so_targets >= 4 && t[3] ? 8 : 0); - ctx->num_cs_dw_streamout_end = + num_cs_dw_streamout_end = 12 + /* flush_vgt_streamout */ util_bitcount(buffer_en) * 8 + /* STRMOUT_BUFFER_UPDATE */ 3 /* set_streamout_enable(0) */; @@ -1100,7 +1101,10 @@ void r600_context_streamout_begin(struct r600_context *ctx) util_bitcount(buffer_en & ctx->streamout_append_bitmask) * 8 + /* STRMOUT_BUFFER_UPDATE */ util_bitcount(buffer_en & ~ctx->streamout_append_bitmask) * 6 + /* STRMOUT_BUFFER_UPDATE */ (ctx->family > CHIP_R600 && ctx->family < CHIP_RS780 ? 2 : 0) + /* SURFACE_BASE_UPDATE */ - ctx->num_cs_dw_streamout_end, TRUE); + num_cs_dw_streamout_end, TRUE); + + /* This must be set after r600_need_cs_space. */ + ctx->num_cs_dw_streamout_end = num_cs_dw_streamout_end; if (ctx->chip_class >= EVERGREEN) { evergreen_flush_vgt_streamout(ctx); |