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authorMarek Olšák <maraeo@gmail.com>2012-09-13 00:41:26 +0200
committerMarek Olšák <maraeo@gmail.com>2012-09-14 05:55:00 +0200
commitfac7031a04a581c377140320bedd4cdcaa9baa9b (patch)
tree1d55492a85efbc35ae5c4bc973be1f58dacb4113 /src
parentdf5e2c058f73b72909fa99a2a189f5877525e3bf (diff)
r600g: consolidate decompression code for the blitter
Diffstat (limited to 'src')
-rw-r--r--src/gallium/drivers/r600/r600_blit.c66
1 files changed, 37 insertions, 29 deletions
diff --git a/src/gallium/drivers/r600/r600_blit.c b/src/gallium/drivers/r600/r600_blit.c
index 58655fafc8f..9ca40298ba1 100644
--- a/src/gallium/drivers/r600/r600_blit.c
+++ b/src/gallium/drivers/r600/r600_blit.c
@@ -327,29 +327,46 @@ void r600_decompress_color_textures(struct r600_context *rctx,
}
}
+/* Helper for decompressing a portion of a color or depth resource before
+ * blitting if any decompression is needed.
+ * The driver doesn't decompress resources automatically while u_blitter is
+ * rendering. */
+static bool r600_decompress_subresource(struct pipe_context *ctx,
+ struct pipe_resource *tex,
+ unsigned level,
+ unsigned first_layer, unsigned last_layer)
+{
+ struct r600_context *rctx = (struct r600_context *)ctx;
+ struct r600_texture *rtex = (struct r600_texture*)tex;
+
+ if (rtex->is_depth && !rtex->is_flushing_texture) {
+ if (!r600_init_flushed_depth_texture(ctx, tex, NULL))
+ return false; /* error */
+
+ r600_blit_decompress_depth(ctx, rtex, NULL,
+ level, level,
+ first_layer, last_layer,
+ 0, u_max_sample(tex));
+ } else if (rctx->chip_class != CAYMAN && rtex->fmask_size && rtex->cmask_size) {
+ r600_blit_decompress_color(ctx, rtex, level, level,
+ first_layer, last_layer);
+ }
+ return true;
+}
+
static void r600_copy_first_sample(struct pipe_context *ctx,
const struct pipe_resolve_info *info)
{
struct r600_context *rctx = (struct r600_context *)ctx;
- struct r600_texture *rsrc = (struct r600_texture*)info->src.res;
struct pipe_surface *dst_view, dst_templ;
struct pipe_sampler_view src_templ, *src_view;
struct pipe_box box;
- if (rsrc->is_depth && !rsrc->is_flushing_texture) {
- if (!r600_init_flushed_depth_texture(ctx, info->src.res, NULL))
- return; /* error */
-
- /* Decompress the first sample only. */
- r600_blit_decompress_depth(ctx, rsrc, NULL,
- 0, 0,
- info->src.layer, info->src.layer,
- 0, 0);
- }
- if (rctx->chip_class != CAYMAN && rsrc->fmask_size && rsrc->cmask_size) {
- r600_blit_decompress_color(ctx, rsrc,
- 0, 0,
- info->src.layer, info->src.layer);
+ /* The driver doesn't decompress resources automatically while
+ * u_blitter is rendering. */
+ if (!r600_decompress_subresource(ctx, info->src.res, 0,
+ info->src.layer, info->src.layer)) {
+ return; /* error */
}
/* this is correct for upside-down blits too */
@@ -664,7 +681,6 @@ static void r600_resource_copy_region(struct pipe_context *ctx,
const struct pipe_box *src_box)
{
struct r600_context *rctx = (struct r600_context *)ctx;
- struct r600_texture *rsrc = (struct r600_texture*)src;
struct texture_orig_info orig_info[2];
struct pipe_box sbox;
const struct pipe_box *psbox = src_box;
@@ -682,19 +698,11 @@ static void r600_resource_copy_region(struct pipe_context *ctx,
assert(u_max_sample(dst) == u_max_sample(src));
last_sample = u_max_sample(dst);
- /* This must be done before entering u_blitter to avoid recursion. */
- if (rsrc->is_depth && !rsrc->is_flushing_texture) {
- if (!r600_init_flushed_depth_texture(ctx, src, NULL))
- return; /* error */
-
- r600_blit_decompress_depth(ctx, rsrc, NULL,
- src_level, src_level,
- src_box->z, src_box->z + src_box->depth - 1,
- 0, u_max_sample(src));
- }
- if (rctx->chip_class != CAYMAN && rsrc->fmask_size && rsrc->cmask_size) {
- r600_blit_decompress_color(ctx, rsrc, src_level, src_level,
- src_box->z, src_box->z + src_box->depth - 1);
+ /* The driver doesn't decompress resources automatically while
+ * u_blitter is rendering. */
+ if (!r600_decompress_subresource(ctx, src, src_level,
+ src_box->z, src_box->z + src_box->depth - 1)) {
+ return; /* error */
}
restore_orig[0] = restore_orig[1] = FALSE;