Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu>
---
So... the pack/unpack functions just assert. As far as I can tell, these are
entirely unused until e.g. softpipe or llvmpipe try to make use of this
format. Whoever adds bptc texturing support to those drivers can add the
mesa/texstore integration.
src/gallium/auxiliary/Makefile.sources | 1 +
src/gallium/auxiliary/util/u_format.c | 5 ++
src/gallium/auxiliary/util/u_format.csv | 6 ++
src/gallium/auxiliary/util/u_format.h | 8 +-
src/gallium/auxiliary/util/u_format_bptc.c | 26 +++++++
src/gallium/auxiliary/util/u_format_bptc.h | 109 +++++++++++++++++++++++++++
src/gallium/auxiliary/util/u_format_pack.py | 2 +-
src/gallium/auxiliary/util/u_format_table.py | 3 +-
src/gallium/include/pipe/p_format.h | 5 ++
9 files changed, 162 insertions(+), 3 deletions(-)
create mode 100644 src/gallium/auxiliary/util/u_format_bptc.c
create mode 100644 src/gallium/auxiliary/util/u_format_bptc.h
diff --git a/src/gallium/auxiliary/Makefile.sources
b/src/gallium/auxiliary/Makefile.sources
index 8919783..8b06c4f 100644
--- a/src/gallium/auxiliary/Makefile.sources
+++ b/src/gallium/auxiliary/Makefile.sources
@@ -113,6 +113,7 @@ C_SOURCES := \
util/u_format_s3tc.c \
util/u_format_rgtc.c \
util/u_format_etc.c \
+ util/u_format_bptc.c \
util/u_format_tests.c \
util/u_format_yuv.c \
util/u_format_zs.c \
diff --git a/src/gallium/auxiliary/util/u_format.c
b/src/gallium/auxiliary/util/u_format.c
index a53ed6f..cf355e5 100644
--- a/src/gallium/auxiliary/util/u_format.c
+++ b/src/gallium/auxiliary/util/u_format.c
@@ -496,6 +496,11 @@ util_format_fits_8unorm(const struct
util_format_description *format_desc)
format_desc->format == PIPE_FORMAT_LATC2_SNORM)
return FALSE;
return TRUE;
+ case UTIL_FORMAT_LAYOUT_BPTC:
+ if (format_desc->format == PIPE_FORMAT_BPTC_RGBA_UNORM ||
+ format_desc->format == PIPE_FORMAT_BPTC_SRGBA_UNORM)
+ return TRUE;
+ return FALSE;
case UTIL_FORMAT_LAYOUT_PLAIN:
/*
diff --git a/src/gallium/auxiliary/util/u_format.csv
b/src/gallium/auxiliary/util/u_format.csv
index 8aa5c36..570ea5a 100644
--- a/src/gallium/auxiliary/util/u_format.csv
+++ b/src/gallium/auxiliary/util/u_format.csv
@@ -160,6 +160,7 @@ PIPE_FORMAT_R8G8Bx_SNORM , other, 1, 1, sn8
, sn8 , , , x
# - http://www.opengl.org/registry/specs/EXT/texture_compression_s3tc.txt
# - http://www.opengl.org/registry/specs/ARB/texture_compression_rgtc.txt
# - http://www.opengl.org/registry/specs/EXT/texture_compression_latc.txt
+# - http://www.opengl.org/registry/specs/ARB/texture_compression_bptc.txt
# -
http://www.khronos.org/registry/gles/extensions/OES/OES_compressed_ETC1_RGB8_texture.txt
# - http://msdn.microsoft.com/en-us/library/bb694531.aspx
PIPE_FORMAT_DXT1_RGB , s3tc, 4, 4, x64 , , , , xyz1,
rgb
@@ -183,6 +184,11 @@ PIPE_FORMAT_LATC2_SNORM , rgtc, 4, 4, x128,
, , , xxxy, rg
PIPE_FORMAT_ETC1_RGB8 , etc, 4, 4, x64, , , , xyz1,
rgb
+PIPE_FORMAT_BPTC_RGBA_UNORM , bptc, 4, 4, x128, , , , xyzw,
rgb
+PIPE_FORMAT_BPTC_SRGBA_UNORM , bptc, 4, 4, x128, , , , xyzw,
srgb
+PIPE_FORMAT_BPTC_RGB_FLOAT , bptc, 4, 4, x128, , , , xyz1,
rgb
+PIPE_FORMAT_BPTC_RGB_UFLOAT , bptc, 4, 4, x128, , , , xyz1,
rgb
+
# Straightforward D3D10-like formats (also used for
# vertex buffer element description)
#
diff --git a/src/gallium/auxiliary/util/u_format.h
b/src/gallium/auxiliary/util/u_format.h
index 2e2bf02..1789a28 100644
--- a/src/gallium/auxiliary/util/u_format.h
+++ b/src/gallium/auxiliary/util/u_format.h
@@ -79,9 +79,14 @@ enum util_format_layout {
UTIL_FORMAT_LAYOUT_ETC = 6,
/**
+ * BC6/7 Texture Compression
+ */
+ UTIL_FORMAT_LAYOUT_BPTC = 7,
+
+ /**
* Everything else that doesn't fit in any of the above layouts.
*/
- UTIL_FORMAT_LAYOUT_OTHER = 7
+ UTIL_FORMAT_LAYOUT_OTHER = 8
};
@@ -475,6 +480,7 @@ util_format_is_compressed(enum pipe_format format)
case UTIL_FORMAT_LAYOUT_S3TC:
case UTIL_FORMAT_LAYOUT_RGTC:
case UTIL_FORMAT_LAYOUT_ETC:
+ case UTIL_FORMAT_LAYOUT_BPTC:
/* XXX add other formats in the future */
return TRUE;
default:
diff --git a/src/gallium/auxiliary/util/u_format_bptc.c
b/src/gallium/auxiliary/util/u_format_bptc.c
new file mode 100644
index 0000000..8fb002f
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_format_bptc.c
@@ -0,0 +1,26 @@
+#include "u_format.h"
+#include "u_format_bptc.h"
+
+#define fake(format) \
+void \
+util_format_##format##_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src,
unsigned i, unsigned j) {assert(0);} \
+\
+void \
+util_format_##format##_unpack_rgba_8unorm(uint8_t *dst_row, unsigned
dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width,
unsigned height) {assert(0);} \
+\
+void \
+util_format_##format##_pack_rgba_8unorm(uint8_t *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
{assert(0);} \
+\
+void \
+util_format_##format##_unpack_rgba_float(float *dst_row, unsigned dst_stride,
const uint8_t *src_row, unsigned src_stride, unsigned width, unsigned height)
{assert(0);} \
+\
+void \
+util_format_##format##_pack_rgba_float(uint8_t *dst_row, unsigned dst_stride,
const float *src_row, unsigned src_stride, unsigned width, unsigned height)
{assert(0);} \
+\
+void \
+util_format_##format##_fetch_rgba_float(float *dst, const uint8_t *src,
unsigned i, unsigned j) {assert(0);}
+
+fake(bptc_rgba_unorm)
+fake(bptc_srgba_unorm)
+fake(bptc_rgb_float)
+fake(bptc_rgb_ufloat)
diff --git a/src/gallium/auxiliary/util/u_format_bptc.h
b/src/gallium/auxiliary/util/u_format_bptc.h
new file mode 100644
index 0000000..77bedfd
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_format_bptc.h
@@ -0,0 +1,109 @@
+/**************************************************************************
+ *
+ * Copyright 2011 Red Hat Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ **************************************************************************/
+
+#ifndef U_FORMAT_BPTC_H_
+#define U_FORMAT_BPTC_H_
+
+void
+util_format_bptc_rgba_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t
*src, unsigned i, unsigned j);
+
+void
+util_format_bptc_rgba_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned
dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width,
unsigned height);
+
+void
+util_format_bptc_rgba_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned
dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width,
unsigned height);
+
+void
+util_format_bptc_rgba_unorm_unpack_rgba_float(float *dst_row, unsigned
dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width,
unsigned height);
+
+void
+util_format_bptc_rgba_unorm_pack_rgba_float(uint8_t *dst_row, unsigned
dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned
height);
+
+void
+util_format_bptc_rgba_unorm_fetch_rgba_float(float *dst, const uint8_t *src,
unsigned i, unsigned j);
+
+
+
+void
+util_format_bptc_srgba_unorm_fetch_rgba_8unorm(uint8_t *dst, const uint8_t
*src, unsigned i, unsigned j);
+
+void
+util_format_bptc_srgba_unorm_unpack_rgba_8unorm(uint8_t *dst_row, unsigned
dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width,
unsigned height);
+
+void
+util_format_bptc_srgba_unorm_pack_rgba_8unorm(uint8_t *dst_row, unsigned
dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width,
unsigned height);
+
+void
+util_format_bptc_srgba_unorm_unpack_rgba_float(float *dst_row, unsigned
dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width,
unsigned height);
+
+void
+util_format_bptc_srgba_unorm_pack_rgba_float(uint8_t *dst_row, unsigned
dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned
height);
+
+void
+util_format_bptc_srgba_unorm_fetch_rgba_float(float *dst, const uint8_t *src,
unsigned i, unsigned j);
+
+
+
+void
+util_format_bptc_rgb_float_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src,
unsigned i, unsigned j);
+
+void
+util_format_bptc_rgb_float_unpack_rgba_8unorm(uint8_t *dst_row, unsigned
dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width,
unsigned height);
+
+void
+util_format_bptc_rgb_float_pack_rgba_8unorm(uint8_t *dst_row, unsigned
dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width,
unsigned height);
+
+void
+util_format_bptc_rgb_float_unpack_rgba_float(float *dst_row, unsigned
dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width,
unsigned height);
+
+void
+util_format_bptc_rgb_float_pack_rgba_float(uint8_t *dst_row, unsigned
dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned
height);
+
+void
+util_format_bptc_rgb_float_fetch_rgba_float(float *dst, const uint8_t *src,
unsigned i, unsigned j);
+
+
+void
+util_format_bptc_rgb_ufloat_fetch_rgba_8unorm(uint8_t *dst, const uint8_t
*src, unsigned i, unsigned j);
+
+void
+util_format_bptc_rgb_ufloat_unpack_rgba_8unorm(uint8_t *dst_row, unsigned
dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width,
unsigned height);
+
+void
+util_format_bptc_rgb_ufloat_pack_rgba_8unorm(uint8_t *dst_row, unsigned
dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width,
unsigned height);
+
+void
+util_format_bptc_rgb_ufloat_unpack_rgba_float(float *dst_row, unsigned
dst_stride, const uint8_t *src_row, unsigned src_stride, unsigned width,
unsigned height);
+
+void
+util_format_bptc_rgb_ufloat_pack_rgba_float(uint8_t *dst_row, unsigned
dst_stride, const float *src_row, unsigned src_stride, unsigned width, unsigned
height);
+
+void
+util_format_bptc_rgb_ufloat_fetch_rgba_float(float *dst, const uint8_t *src,
unsigned i, unsigned j);
+
+
+#endif
diff --git a/src/gallium/auxiliary/util/u_format_pack.py
b/src/gallium/auxiliary/util/u_format_pack.py
index f9496de..49f7cd6 100644
--- a/src/gallium/auxiliary/util/u_format_pack.py
+++ b/src/gallium/auxiliary/util/u_format_pack.py
@@ -659,7 +659,7 @@ def generate_format_fetch(format, dst_channel,
dst_native_type, dst_suffix):
def is_format_hand_written(format):
- return format.layout in ('s3tc', 'rgtc', 'etc', 'subsampled', 'other') or
format.colorspace == ZS
+ return format.layout in ('s3tc', 'rgtc', 'etc', 'bptc', 'subsampled',
'other') or format.colorspace == ZS
def generate(formats):
diff --git a/src/gallium/auxiliary/util/u_format_table.py
b/src/gallium/auxiliary/util/u_format_table.py
index 81fd399..ad582e4 100755
--- a/src/gallium/auxiliary/util/u_format_table.py
+++ b/src/gallium/auxiliary/util/u_format_table.py
@@ -90,6 +90,7 @@ def write_format_table(formats):
print '#include "u_format_rgtc.h"'
print '#include "u_format_latc.h"'
print '#include "u_format_etc.h"'
+ print '#include "u_format_bptc.h"'
print
u_format_pack.generate(formats)
@@ -141,7 +142,7 @@ def write_format_table(formats):
if format.colorspace != ZS and not format.is_pure_color():
print " &util_format_%s_unpack_rgba_8unorm," %
format.short_name()
print " &util_format_%s_pack_rgba_8unorm," % format.short_name()
- if format.layout == 's3tc' or format.layout == 'rgtc':
+ if format.layout == 's3tc' or format.layout == 'rgtc' or
format.layout == 'bptc':
print " &util_format_%s_fetch_rgba_8unorm," %
format.short_name()
else:
print " NULL, /* fetch_rgba_8unorm */"
diff --git a/src/gallium/include/pipe/p_format.h
b/src/gallium/include/pipe/p_format.h
index a7fdcd0..a29b9d6 100644
--- a/src/gallium/include/pipe/p_format.h
+++ b/src/gallium/include/pipe/p_format.h
@@ -344,6 +344,11 @@ enum pipe_format {
PIPE_FORMAT_B5G6R5_SRGB = 254,
+ PIPE_FORMAT_BPTC_RGBA_UNORM = 255,
+ PIPE_FORMAT_BPTC_SRGBA_UNORM = 256,
+ PIPE_FORMAT_BPTC_RGB_FLOAT = 257,
+ PIPE_FORMAT_BPTC_RGB_UFLOAT = 258,
+
PIPE_FORMAT_COUNT
};
--
1.8.5.5
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