From: Marek Olšák Date: Thu, 21 Apr 2016 21:46:19 +0000 (+0200) Subject: gallium/radeon: use a common function for DMA blit preparation X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2f173b8e13308bea0690684f841fad28ccc2e40e;p=mesa.git gallium/radeon: use a common function for DMA blit preparation this is more robust and probably fixes some bugs already Reviewed-by: Alex Deucher Reviewed-by: Nicolai Hähnle --- diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c index 5224e420119..672ddd4fcbe 100644 --- a/src/gallium/drivers/r600/evergreen_state.c +++ b/src/gallium/drivers/r600/evergreen_state.c @@ -3497,14 +3497,10 @@ static void evergreen_dma_copy(struct pipe_context *ctx, return; } - if (src->format != dst->format || src_box->depth > 1 || - (rdst->dirty_level_mask | rdst->stencil_dirty_level_mask) & (1 << dst_level)) { + if (src_box->depth > 1 || + !r600_prepare_for_dma_blit(&rctx->b, rdst, dst_level, dstx, dsty, + dstz, rsrc, src_level, src_box)) goto fallback; - } - - if (rsrc->dirty_level_mask & (1 << src_level)) { - ctx->flush_resource(ctx, src); - } src_x = util_format_get_nblocksx(src->format, src_box->x); dst_x = util_format_get_nblocksx(src->format, dst_x); diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c index 22910962794..48e3663ebf7 100644 --- a/src/gallium/drivers/r600/r600_state.c +++ b/src/gallium/drivers/r600/r600_state.c @@ -2972,9 +2972,10 @@ static void r600_dma_copy(struct pipe_context *ctx, return; } - if (src->format != dst->format || src_box->depth > 1) { + if (src_box->depth > 1 || + !r600_prepare_for_dma_blit(&rctx->b, rdst, dst_level, dstx, dsty, + dstz, rsrc, src_level, src_box)) goto fallback; - } src_x = util_format_get_nblocksx(src->format, src_box->x); dst_x = util_format_get_nblocksx(src->format, dst_x); diff --git a/src/gallium/drivers/radeon/r600_pipe_common.h b/src/gallium/drivers/radeon/r600_pipe_common.h index c313bc947b6..e0db061c5eb 100644 --- a/src/gallium/drivers/radeon/r600_pipe_common.h +++ b/src/gallium/drivers/radeon/r600_pipe_common.h @@ -623,6 +623,13 @@ void r600_update_prims_generated_query_state(struct r600_common_context *rctx, void r600_streamout_init(struct r600_common_context *rctx); /* r600_texture.c */ +bool r600_prepare_for_dma_blit(struct r600_common_context *rctx, + struct r600_texture *rdst, + unsigned dst_level, unsigned dstx, + unsigned dsty, unsigned dstz, + struct r600_texture *rsrc, + unsigned src_level, + const struct pipe_box *src_box); void r600_texture_get_fmask_info(struct r600_common_screen *rscreen, struct r600_texture *rtex, unsigned nr_samples, diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c index 3e71da23f10..103b7b70053 100644 --- a/src/gallium/drivers/radeon/r600_texture.c +++ b/src/gallium/drivers/radeon/r600_texture.c @@ -32,6 +32,61 @@ #include #include +bool r600_prepare_for_dma_blit(struct r600_common_context *rctx, + struct r600_texture *rdst, + unsigned dst_level, unsigned dstx, + unsigned dsty, unsigned dstz, + struct r600_texture *rsrc, + unsigned src_level, + const struct pipe_box *src_box) +{ + if (!rctx->dma.cs) + return false; + + if (util_format_get_blocksizebits(rdst->resource.b.b.format) != + util_format_get_blocksizebits(rsrc->resource.b.b.format)) + return false; + + /* MSAA: Blits don't exist in the real world. */ + if (rsrc->resource.b.b.nr_samples > 1 || + rdst->resource.b.b.nr_samples > 1) + return false; + + /* Depth-stencil surfaces: + * When dst is linear, the DB->CB copy preserves HTILE. + * When dst is tiled, the 3D path must be used to update HTILE. + */ + if (rsrc->is_depth || rdst->is_depth) + return false; + + /* DCC as: + * src: Use the 3D path. DCC decompression is expensive. + * dst: If overwriting the whole texture, disable DCC and use SDMA. + * Otherwise, use the 3D path. + * TODO: handle the case when the dst box covers the whole texture + */ + if (rsrc->dcc_offset || rdst->dcc_offset) + return false; + + /* CMASK as: + * src: Both texture and SDMA paths need decompression. Use SDMA. + * dst: If overwriting the whole texture, deallocate CMASK and use + * SDMA. Otherwise, use the 3D path. + * TODO: handle the case when the dst box covers the whole texture + */ + if (rdst->cmask.size && rdst->dirty_level_mask & (1 << dst_level)) + return false; + + /* All requirements are met. Prepare textures for SDMA. */ + if (rsrc->cmask.size && rsrc->dirty_level_mask & (1 << src_level)) + rctx->b.flush_resource(&rctx->b, &rsrc->resource.b.b); + + assert(!(rsrc->dirty_level_mask & (1 << src_level))); + assert(!(rdst->dirty_level_mask & (1 << dst_level))); + + return true; +} + /* Same as resource_copy_region, except that both upsampling and downsampling are allowed. */ static void r600_copy_region_with_blit(struct pipe_context *pipe, struct pipe_resource *dst, diff --git a/src/gallium/drivers/radeonsi/cik_sdma.c b/src/gallium/drivers/radeonsi/cik_sdma.c index 2a996c1e2d4..7f7db91803d 100644 --- a/src/gallium/drivers/radeonsi/cik_sdma.c +++ b/src/gallium/drivers/radeonsi/cik_sdma.c @@ -226,19 +226,9 @@ void cik_sdma_copy(struct pipe_context *ctx, */ goto fallback; - if (src->format != dst->format || - rdst->surface.nsamples > 1 || rsrc->surface.nsamples > 1 || - (rdst->dirty_level_mask | rdst->stencil_dirty_level_mask) & (1 << dst_level) || - rdst->dcc_offset || rsrc->dcc_offset) { + if (!r600_prepare_for_dma_blit(&sctx->b, rdst, dst_level, dstx, dsty, + dstz, rsrc, src_level, src_box)) goto fallback; - } - - if (rsrc->dirty_level_mask & (1 << src_level)) { - if (rsrc->htile_buffer) - goto fallback; - - ctx->flush_resource(ctx, src); - } src_x = util_format_get_nblocksx(src->format, src_box->x); dst_x = util_format_get_nblocksx(src->format, dst_x); diff --git a/src/gallium/drivers/radeonsi/si_dma.c b/src/gallium/drivers/radeonsi/si_dma.c index 72956acc5a7..84961d5a13c 100644 --- a/src/gallium/drivers/radeonsi/si_dma.c +++ b/src/gallium/drivers/radeonsi/si_dma.c @@ -230,17 +230,10 @@ void si_dma_copy(struct pipe_context *ctx, */ goto fallback; - if (src->format != dst->format || src_box->depth > 1 || - (rdst->dirty_level_mask | rdst->stencil_dirty_level_mask) & (1 << dst_level) || - rdst->cmask.size || rdst->fmask.size || - rsrc->cmask.size || rsrc->fmask.size || - rdst->dcc_offset || rsrc->dcc_offset) { + if (src_box->depth > 1 || + !r600_prepare_for_dma_blit(&sctx->b, rdst, dst_level, dstx, dsty, + dstz, rsrc, src_level, src_box)) goto fallback; - } - - if (rsrc->dirty_level_mask & (1 << src_level)) { - ctx->flush_resource(ctx, src); - } src_x = util_format_get_nblocksx(src->format, src_box->x); dst_x = util_format_get_nblocksx(src->format, dst_x);