diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/drivers/r600/r600_pipe.h | 2 | ||||
| -rw-r--r-- | src/gallium/drivers/r600/r600_texture.c | 28 |
2 files changed, 14 insertions, 16 deletions
diff --git a/src/gallium/drivers/r600/r600_pipe.h b/src/gallium/drivers/r600/r600_pipe.h index 8485cce732c..64a90c3b3e9 100644 --- a/src/gallium/drivers/r600/r600_pipe.h +++ b/src/gallium/drivers/r600/r600_pipe.h @@ -787,8 +787,6 @@ void r600_init_surface_functions(struct r600_context *r600); uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format, const unsigned char *swizzle_view, uint32_t *word4_p, uint32_t *yuv_format_p); -unsigned r600_texture_get_offset(struct r600_texture *rtex, - unsigned level, unsigned layer); struct pipe_surface *r600_create_surface_custom(struct pipe_context *pipe, struct pipe_resource *texture, const struct pipe_surface *templ, diff --git a/src/gallium/drivers/r600/r600_texture.c b/src/gallium/drivers/r600/r600_texture.c index 60d8c3610d6..c2feb521be3 100644 --- a/src/gallium/drivers/r600/r600_texture.c +++ b/src/gallium/drivers/r600/r600_texture.c @@ -116,11 +116,15 @@ static void r600_copy_from_staging_texture(struct pipe_context *ctx, struct r600 } } -unsigned r600_texture_get_offset(struct r600_texture *rtex, - unsigned level, unsigned layer) +static unsigned r600_texture_get_offset(struct r600_texture *rtex, unsigned level, + const struct pipe_box *box) { + enum pipe_format format = rtex->resource.b.b.format; + return rtex->surface.level[level].offset + - layer * rtex->surface.level[level].slice_size; + box->z * rtex->surface.level[level].slice_size + + box->y / util_format_get_blockheight(format) * rtex->surface.level[level].pitch_bytes + + box->x / util_format_get_blockwidth(format) * util_format_get_blocksize(format); } static int r600_init_surface(struct r600_screen *rscreen, @@ -805,7 +809,6 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx, struct r600_texture *rtex = (struct r600_texture*)texture; struct r600_transfer *trans; boolean use_staging_texture = FALSE; - enum pipe_format format = texture->format; struct r600_resource *buf; unsigned offset = 0; char *map; @@ -849,8 +852,6 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx, trans->transfer.box = *box; if (rtex->is_depth) { - /* XXX: only readback the rectangle which is being mapped? */ - /* XXX: when discard is true, no need to read back from depth texture */ struct r600_texture *staging_depth; if (rtex->resource.b.b.nr_samples > 1) { @@ -861,6 +862,8 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx, * * First downsample the depth buffer to a temporary texture, * then decompress the temporary one to staging. + * + * Only the region being mapped is transfered. */ struct pipe_resource *temp; struct pipe_resource resource; @@ -880,9 +883,10 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx, 0, 0, 0, box->depth, 0, 0); pipe_resource_reference((struct pipe_resource**)&temp, NULL); - trans->offset = 0; } else { + /* XXX: only readback the rectangle which is being mapped? */ + /* XXX: when discard is true, no need to read back from depth texture */ if (!r600_init_flushed_depth_texture(ctx, texture, &staging_depth)) { R600_ERR("failed to create temporary texture to hold untiled copy\n"); FREE(trans); @@ -894,7 +898,7 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx, box->z, box->z + box->depth - 1, 0, 0); - trans->offset = r600_texture_get_offset(staging_depth, level, box->z); + offset = r600_texture_get_offset(staging_depth, level, box); } trans->transfer.stride = staging_depth->surface.level[level].pitch_bytes; @@ -926,9 +930,10 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx, rctx->rings.gfx.flush(rctx, 0); } } else { + /* the resource is mapped directly */ trans->transfer.stride = rtex->surface.level[level].pitch_bytes; trans->transfer.layer_stride = rtex->surface.level[level].slice_size; - trans->offset = r600_texture_get_offset(rtex, level, box->z); + offset = r600_texture_get_offset(rtex, level, box); } if (trans->staging) { @@ -937,11 +942,6 @@ static void *r600_texture_transfer_map(struct pipe_context *ctx, buf = &rtex->resource; } - if (rtex->is_depth || !trans->staging) - offset = trans->offset + - box->y / util_format_get_blockheight(format) * trans->transfer.stride + - box->x / util_format_get_blockwidth(format) * util_format_get_blocksize(format); - if (!(map = r600_buffer_mmap_sync_with_rings(rctx, buf, usage))) { pipe_resource_reference((struct pipe_resource**)&trans->staging, NULL); FREE(trans); |