diff options
| author | Marek Olšák <[email protected]> | 2012-11-23 00:38:44 +0100 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2012-11-23 00:42:02 +0100 |
| commit | cff4c948ed2708a6eb4b090ae87443a707cbd67f (patch) | |
| tree | fe570435be32198c41f8f72e14eeeb2081259098 | |
| parent | d172fa825b21ce3ff4f5cd83d0de7ef7f3a8d865 (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.
| -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 97c7d6d52c9..c8253018446 100644 --- a/src/gallium/drivers/r600/r600_hw_context.c +++ b/src/gallium/drivers/r600/r600_hw_context.c @@ -936,13 +936,14 @@ 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) */; @@ -956,7 +957,10 @@ 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); |