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util/format: add some ZS helpers for vallium

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The vallium layer has a requirement to insert and extra the 24-bit
unorm value as a unorm value (not as a float etc). Add helpers
to facilitate that.

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6082>
This commit is contained in:
Dave Airlie
2020-06-19 16:44:09 +10:00
parent 3abf548270
commit 5a9eba4acd
2 changed files with 46 additions and 0 deletions
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src/util/format/u_format_zs.c
+40
View File
@@ -419,6 +419,46 @@ util_format_z24_unorm_s8_uint_pack_z_float(uint8_t *dst_row, unsigned dst_stride
}
}
void
util_format_z24_unorm_s8_uint_unpack_z24(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height)
{
unsigned x, y;
for(y = 0; y < height; ++y) {
uint32_t *dst = (uint32_t *)dst_row;
const uint32_t *src = (const uint32_t *)src_row;
for(x = 0; x < width; ++x) {
uint32_t value = util_cpu_to_le32(*src++);
*dst++ = (value & 0xffffff);
}
src_row += src_stride/sizeof(*src_row);
dst_row += dst_stride/sizeof(*dst_row);
}
}
void
util_format_z24_unorm_s8_uint_pack_z24(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
unsigned width, unsigned height)
{
unsigned x, y;
for(y = 0; y < height; ++y) {
const uint32_t *src = (const uint32_t *)src_row;
uint32_t *dst = (uint32_t *)dst_row;
for(x = 0; x < width; ++x) {
uint32_t value = util_le32_to_cpu(*dst);
value &= 0xff000000;
value |= *src & 0xffffff;
src++;
*dst++ = util_cpu_to_le32(value);
}
dst_row += dst_stride/sizeof(*dst_row);
src_row += src_stride/sizeof(*src_row);
}
}
void
util_format_z24_unorm_s8_uint_unpack_z_32unorm(uint32_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride,
src/util/format/u_format_zs.h
+6
View File
@@ -115,6 +115,12 @@ util_format_z24_unorm_s8_uint_pack_s_8uint(uint8_t *dst_row, unsigned dst_stride
void
util_format_z24_unorm_s8_uint_pack_separate(uint8_t *dst_row, unsigned dst_stride, const uint32_t *z_src_row, unsigned z_src_stride, const uint8_t *s_src_row, unsigned s_src_stride, unsigned width, unsigned height);
void
util_format_z24_unorm_s8_uint_unpack_z24(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height);
void
util_format_z24_unorm_s8_uint_pack_z24(uint8_t *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height);
void
util_format_s8_uint_z24_unorm_unpack_z_float(float *dst_row, unsigned dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height);