Move the remaining format pf_get_* functions to u_format.h.

Previously they depended on format blocks, but after removing those
they started depending on format encoding.

1 files changed, 80 insertions, 3 deletions

diff --git a/src/gallium/auxiliary/util/u_format.h b/src/gallium/auxiliary/util/u_format.h
index 72da2a44c7..97e4d959bc 100644
--- a/src/gallium/auxiliary/util/u_format.h
+++ b/src/gallium/auxiliary/util/u_format.h
@@ -200,7 +200,7 @@ util_format_is_depth_and_stencil(enum pipe_format format)
  * Return total bits needed for the pixel format.
  */
 static INLINE uint
-util_format_get_bits(enum pipe_format format)
+util_format_get_blocksizebits(enum pipe_format format)
 {
    const struct util_format_description *desc = util_format_description(format);
 
@@ -216,9 +216,9 @@ util_format_get_bits(enum pipe_format format)
  * Return bytes per pixel for the given format.
  */
 static INLINE uint
-util_format_get_size(enum pipe_format format)
+util_format_get_blocksize(enum pipe_format format)
 {
-   uint bits = util_format_get_bits(format);
+   uint bits = util_format_get_blocksizebits(format);
 
    assert(bits % 8 == 0);
 
@@ -226,6 +226,83 @@ util_format_get_size(enum pipe_format format)
 }
 
 static INLINE uint
+util_format_get_blockwidth(enum pipe_format format)
+{
+   const struct util_format_description *desc = util_format_description(format);
+
+   assert(format);
+   if (!format) {
+      return 1;
+   }
+
+   switch (desc->layout) {
+   case UTIL_FORMAT_LAYOUT_YUV:
+      return 2;
+   case UTIL_FORMAT_LAYOUT_DXT:
+      return 4;
+   default:
+      return 1;
+   }
+}
+
+static INLINE uint
+util_format_get_blockheight(enum pipe_format format)
+{
+   const struct util_format_description *desc = util_format_description(format);
+
+   assert(format);
+   if (!format) {
+      return 1;
+   }
+
+   switch (desc->layout) {
+   case UTIL_FORMAT_LAYOUT_DXT:
+      return 4;
+   default:
+      return 1;
+   }
+}
+
+static INLINE unsigned
+util_format_get_nblocksx(enum pipe_format format,
+                         unsigned x)
+{
+   unsigned blockwidth = util_format_get_blockwidth(format);
+   return (x + blockwidth - 1) / blockwidth;
+}
+
+static INLINE unsigned
+util_format_get_nblocksy(enum pipe_format format,
+                         unsigned y)
+{
+   unsigned blockheight = util_format_get_blockheight(format);
+   return (y + blockheight - 1) / blockheight;
+}
+
+static INLINE unsigned
+util_format_get_nblocks(enum pipe_format format,
+                        unsigned width,
+                        unsigned height)
+{
+   return util_format_get_nblocksx(format, width) * util_format_get_nblocksy(format, height);
+}
+
+static INLINE size_t
+util_format_get_stride(enum pipe_format format,
+                       unsigned width)
+{
+   return util_format_get_nblocksx(format, width) * util_format_get_blocksize(format);
+}
+
+static INLINE size_t
+util_format_get_2d_size(enum pipe_format format,
+                        size_t stride,
+                        unsigned height)
+{
+   return util_format_get_nblocksy(format, height) * stride;
+}
+
+static INLINE uint
 util_format_get_component_bits(enum pipe_format format,
                                enum util_format_colorspace colorspace,
                                uint component)