Move pf_get_bits/size() to u_format auxiliary module.

2 files changed, 32 insertions, 2 deletions

diff --git a/src/gallium/auxiliary/util/u_format.h b/src/gallium/auxiliary/util/u_format.h
index 583b62e606b..3ac53840247 100644
--- a/src/gallium/auxiliary/util/u_format.h
+++ b/src/gallium/auxiliary/util/u_format.h
@@ -183,6 +183,35 @@ util_format_get_block(enum pipe_format format,
    block->height = desc->block.height;
 }
 
+/**
+ * Return total bits needed for the pixel format.
+ */
+static INLINE uint
+util_format_get_bits(enum pipe_format format)
+{
+   const struct util_format_description *desc = util_format_description(format);
+
+   assert(format);
+   if (!format) {
+      return 0;
+   }
+
+   return desc->block.bits / (desc->block.width * desc->block.height);
+}
+
+/**
+ * Return bytes per pixel for the given format.
+ */
+static INLINE uint
+util_format_get_size(enum pipe_format format)
+{
+   uint bits = util_format_get_bits(format);
+
+   assert(bits % 8 == 0);
+
+   return bits / 8;
+}
+
 
 /*
  * Format access functions.
diff --git a/src/gallium/auxiliary/util/u_gen_mipmap.c b/src/gallium/auxiliary/util/u_gen_mipmap.c
index f67f1e458d4..70ec925d152 100644
--- a/src/gallium/auxiliary/util/u_gen_mipmap.c
+++ b/src/gallium/auxiliary/util/u_gen_mipmap.c
@@ -41,6 +41,7 @@
 #include "pipe/p_shader_tokens.h"
 #include "pipe/p_state.h"
 
+#include "util/u_format.h"
 #include "util/u_memory.h"
 #include "util/u_draw_quad.h"
 #include "util/u_gen_mipmap.h"
@@ -996,7 +997,7 @@ reduce_2d(enum pipe_format pformat,
 {
    enum dtype datatype;
    uint comps;
-   const int bpt = pf_get_size(pformat);
+   const int bpt = util_format_get_size(pformat);
    const ubyte *srcA, *srcB;
    ubyte *dst;
    int row;
@@ -1035,7 +1036,7 @@ reduce_3d(enum pipe_format pformat,
           int dstWidth, int dstHeight, int dstDepth,
           int dstRowStride, ubyte *dstPtr)
 {
-   const int bpt = pf_get_size(pformat);
+   const int bpt = util_format_get_size(pformat);
    const int border = 0;
    int img, row;
    int bytesPerSrcImage, bytesPerDstImage;