diff options
Diffstat (limited to 'src/gallium/drivers/svga/svga_resource_texture.c')
| -rw-r--r-- | src/gallium/drivers/svga/svga_resource_texture.c | 68 |
1 files changed, 33 insertions, 35 deletions
diff --git a/src/gallium/drivers/svga/svga_resource_texture.c b/src/gallium/drivers/svga/svga_resource_texture.c index 994f30719ae..b61f85955a2 100644 --- a/src/gallium/drivers/svga/svga_resource_texture.c +++ b/src/gallium/drivers/svga/svga_resource_texture.c @@ -48,31 +48,6 @@ #define SVGA3D_SURFACE_HINT_SCANOUT (1 << 9) -static unsigned int -svga_texture_is_referenced( struct pipe_context *pipe, - struct pipe_resource *texture, - unsigned level, int layer) -{ - struct svga_texture *tex = svga_texture(texture); - struct svga_screen *ss = svga_screen(pipe->screen); - - /** - * The screen does not cache texture writes. - */ - - if (!tex->handle || ss->sws->surface_is_flushed(ss->sws, tex->handle)) - return PIPE_UNREFERENCED; - - /** - * sws->surface_is_flushed() does not distinguish between read references - * and write references. So assume a reference is both. - */ - - return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE; -} - - - /* * Helper function and arrays */ @@ -156,7 +131,8 @@ static INLINE void svga_transfer_dma_band(struct svga_context *svga, struct svga_transfer *st, SVGA3dTransferType transfer, - unsigned y, unsigned h, unsigned srcy) + unsigned y, unsigned h, unsigned srcy, + SVGA3dSurfaceDMAFlags flags) { struct svga_texture *texture = svga_texture(st->base.resource); SVGA3dCopyBox box; @@ -192,10 +168,10 @@ svga_transfer_dma_band(struct svga_context *svga, util_format_get_blocksize(texture->b.b.format) * 8 / (util_format_get_blockwidth(texture->b.b.format)*util_format_get_blockheight(texture->b.b.format))); - ret = SVGA3D_SurfaceDMA(svga->swc, st, transfer, &box, 1); + ret = SVGA3D_SurfaceDMA(svga->swc, st, transfer, &box, 1, flags); if(ret != PIPE_OK) { svga_context_flush(svga, NULL); - ret = SVGA3D_SurfaceDMA(svga->swc, st, transfer, &box, 1); + ret = SVGA3D_SurfaceDMA(svga->swc, st, transfer, &box, 1, flags); assert(ret == PIPE_OK); } } @@ -204,7 +180,8 @@ svga_transfer_dma_band(struct svga_context *svga, static INLINE void svga_transfer_dma(struct svga_context *svga, struct svga_transfer *st, - SVGA3dTransferType transfer) + SVGA3dTransferType transfer, + SVGA3dSurfaceDMAFlags flags) { struct svga_texture *texture = svga_texture(st->base.resource); struct svga_screen *screen = svga_screen(texture->b.b.screen); @@ -223,7 +200,9 @@ svga_transfer_dma(struct svga_context *svga, if(!st->swbuf) { /* Do the DMA transfer in a single go */ - svga_transfer_dma_band(svga, st, transfer, st->base.box.y, st->base.box.height, 0); + svga_transfer_dma_band(svga, st, transfer, + st->base.box.y, st->base.box.height, 0, + flags); if(transfer == SVGA3D_READ_HOST_VRAM) { svga_context_flush(svga, &fence); @@ -269,7 +248,14 @@ svga_transfer_dma(struct svga_context *svga, } } - svga_transfer_dma_band(svga, st, transfer, y, h, srcy); + svga_transfer_dma_band(svga, st, transfer, y, h, srcy, flags); + + /* + * Prevent the texture contents to be discarded on the next band + * upload. + */ + + flags.discard = FALSE; if(transfer == SVGA3D_READ_HOST_VRAM) { svga_context_flush(svga, &fence); @@ -398,8 +384,11 @@ svga_texture_get_transfer(struct pipe_context *pipe, goto no_swbuf; } - if (usage & PIPE_TRANSFER_READ) - svga_transfer_dma(svga, st, SVGA3D_READ_HOST_VRAM); + if (usage & PIPE_TRANSFER_READ) { + SVGA3dSurfaceDMAFlags flags; + memset(&flags, 0, sizeof flags); + svga_transfer_dma(svga, st, SVGA3D_READ_HOST_VRAM, flags); + } return &st->base; @@ -458,7 +447,17 @@ svga_texture_transfer_destroy(struct pipe_context *pipe, struct svga_transfer *st = svga_transfer(transfer); if (st->base.usage & PIPE_TRANSFER_WRITE) { - svga_transfer_dma(svga, st, SVGA3D_WRITE_HOST_VRAM); + SVGA3dSurfaceDMAFlags flags; + + memset(&flags, 0, sizeof flags); + if (transfer->usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE) { + flags.discard = TRUE; + } + if (transfer->usage & PIPE_TRANSFER_UNSYNCHRONIZED) { + flags.unsynchronized = TRUE; + } + + svga_transfer_dma(svga, st, SVGA3D_WRITE_HOST_VRAM, flags); ss->texture_timestamp++; tex->view_age[transfer->level] = ++(tex->age); if (transfer->resource->target == PIPE_TEXTURE_CUBE) @@ -481,7 +480,6 @@ struct u_resource_vtbl svga_texture_vtbl = { svga_texture_get_handle, /* get_handle */ svga_texture_destroy, /* resource_destroy */ - svga_texture_is_referenced, /* is_resource_referenced */ svga_texture_get_transfer, /* get_transfer */ svga_texture_transfer_destroy, /* transfer_destroy */ svga_texture_transfer_map, /* transfer_map */ |