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-rw-r--r--src/gallium/auxiliary/util/u_blit.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/src/gallium/auxiliary/util/u_blit.c b/src/gallium/auxiliary/util/u_blit.c
index eed1e40098c..502ee7ae5b9 100644
--- a/src/gallium/auxiliary/util/u_blit.c
+++ b/src/gallium/auxiliary/util/u_blit.c
@@ -337,9 +337,9 @@ formats_compatible(enum pipe_format src_format,
* Overlapping regions are acceptable.
* Flipping and stretching are supported.
* \param filter one of PIPE_TEX_FILTER_NEAREST/LINEAR
- * \param writemask controls which channels in the dest surface are sourced
- * from the src surface. Disabled channels are sourced
- * from (0,0,0,1).
+ * \param writemask bitmask of PIPE_MASK_[RGBAZS]. Controls which channels
+ * in the dest surface are sourced from the src surface.
+ * Disabled color channels are sourced from (0,0,0,1).
*/
void
util_blit_pixels(struct blit_state *ctx,
@@ -352,7 +352,7 @@ util_blit_pixels(struct blit_state *ctx,
int dstX0, int dstY0,
int dstX1, int dstY1,
float z, uint filter,
- uint writemask, uint zs_writemask)
+ uint writemask)
{
struct pipe_context *pipe = ctx->pipe;
enum pipe_format src_format, dst_format;
@@ -383,11 +383,18 @@ util_blit_pixels(struct blit_state *ctx,
is_depth = util_format_has_depth(src_desc);
is_stencil = util_format_has_stencil(src_desc);
- blit_depth = is_depth && (zs_writemask & BLIT_WRITEMASK_Z);
- blit_stencil = is_stencil && (zs_writemask & BLIT_WRITEMASK_STENCIL);
+ blit_depth = is_depth && (writemask & PIPE_MASK_Z);
+ blit_stencil = is_stencil && (writemask & PIPE_MASK_S);
- assert((writemask && !zs_writemask && !is_depth && !is_stencil) ||
- (!writemask && (blit_depth || blit_stencil)));
+ if (is_depth || is_stencil) {
+ assert((writemask & PIPE_MASK_RGBA) == 0);
+ assert(blit_depth || blit_stencil);
+ }
+ else {
+ assert((writemask & PIPE_MASK_ZS) == 0);
+ assert(!blit_depth);
+ assert(!blit_stencil);
+ }
/*
* XXX: z parameter is deprecated. dst->u.tex.first_layer
@@ -447,7 +454,7 @@ util_blit_pixels(struct blit_state *ctx,
info.src.box.height = srcY1 - srcY0;
info.src.box.depth = 1;
info.src.format = src_tex->format;
- info.mask = writemask | (zs_writemask << 4);
+ info.mask = writemask;
info.filter = filter;
info.scissor_enable = 0;