gallium: add ETC2 format support

No actual decoding is added, similar faking mechanism to bptc.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>

7 files changed, 104 insertions, 114 deletions

diff --git a/src/gallium/auxiliary/Makefile.sources b/src/gallium/auxiliary/Makefile.sources
index d330935..b7174d6 100644
--- a/src/gallium/auxiliary/Makefile.sources
+++ b/src/gallium/auxiliary/Makefile.sources
@@ -208,12 +208,12 @@ C_SOURCES := \
 	util/u_dump_state.c \
 	util/u_dynarray.h \
 	util/u_fifo.h \
-	util/u_format_bptc.c \
-	util/u_format_bptc.h \
 	util/u_format.c \
+	util/u_format.h \
 	util/u_format_etc.c \
 	util/u_format_etc.h \
-	util/u_format.h \
+	util/u_format_fake.c \
+	util/u_format_fake.h \
 	util/u_format_latc.c \
 	util/u_format_latc.h \
 	util/u_format_other.c \
diff --git a/src/gallium/auxiliary/util/u_format.csv b/src/gallium/auxiliary/util/u_format.csv
index a71aaf1..d3b77e6 100644
--- a/src/gallium/auxiliary/util/u_format.csv
+++ b/src/gallium/auxiliary/util/u_format.csv
@@ -186,6 +186,17 @@ PIPE_FORMAT_LATC2_SNORM           , rgtc, 4, 4, x128,     ,     ,     , xxxy, rg
 
 PIPE_FORMAT_ETC1_RGB8             ,  etc, 4, 4, x64,      ,     ,     , xyz1, rgb
 
+PIPE_FORMAT_ETC2_RGB8             ,  etc, 4, 4, x64,      ,     ,     , xyz1, rgb
+PIPE_FORMAT_ETC2_SRGB8            ,  etc, 4, 4, x64,      ,     ,     , xyz1, srgb
+PIPE_FORMAT_ETC2_RGB8A1           ,  etc, 4, 4, x64,      ,     ,     , xyzw, rgb
+PIPE_FORMAT_ETC2_SRGB8A1          ,  etc, 4, 4, x64,      ,     ,     , xyzw, srgb
+PIPE_FORMAT_ETC2_RGBA8            ,  etc, 4, 4, x128,     ,     ,     , xyzw, rgb
+PIPE_FORMAT_ETC2_SRGBA8           ,  etc, 4, 4, x128,     ,     ,     , xyzw, srgb
+PIPE_FORMAT_ETC2_R11_UNORM        ,  etc, 4, 4, x64,      ,     ,     , x001, rgb
+PIPE_FORMAT_ETC2_R11_SNORM        ,  etc, 4, 4, x64,      ,     ,     , x001, rgb
+PIPE_FORMAT_ETC2_RG11_UNORM       ,  etc, 4, 4, x128,     ,     ,     , xy01, rgb
+PIPE_FORMAT_ETC2_RG11_SNORM       ,  etc, 4, 4, x128,     ,     ,     , xy01, rgb
+
 PIPE_FORMAT_BPTC_RGBA_UNORM       , bptc, 4, 4, x128,     ,     ,     , xyzw, rgb
 PIPE_FORMAT_BPTC_SRGBA            , bptc, 4, 4, x128,     ,     ,     , xyzw, srgb
 PIPE_FORMAT_BPTC_RGB_FLOAT        , bptc, 4, 4, x128,     ,     ,     , xyz1, rgb
diff --git a/src/gallium/auxiliary/util/u_format_bptc.h b/src/gallium/auxiliary/util/u_format_bptc.h
deleted file mode 100644
index f67d071..0000000
--- a/src/gallium/auxiliary/util/u_format_bptc.h
+++ /dev/null
@@ -1,109 +0,0 @@
-/**************************************************************************
- *
- * 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_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j);
-
-void
-util_format_bptc_srgba_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_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_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_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_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_bptc.c b/src/gallium/auxiliary/util/u_format_fake.c
index 196220e..77e896d 100644
--- a/src/gallium/auxiliary/util/u_format_bptc.c
+++ b/src/gallium/auxiliary/util/u_format_fake.c
@@ -1,5 +1,5 @@
 #include "u_format.h"
-#include "u_format_bptc.h"
+#include "u_format_fake.h"
 
 #define fake(format) \
 void \
@@ -24,3 +24,14 @@ fake(bptc_rgba_unorm)
 fake(bptc_srgba)
 fake(bptc_rgb_float)
 fake(bptc_rgb_ufloat)
+
+fake(etc2_rgb8)
+fake(etc2_srgb8)
+fake(etc2_rgb8a1)
+fake(etc2_srgb8a1)
+fake(etc2_rgba8)
+fake(etc2_srgba8)
+fake(etc2_r11_unorm)
+fake(etc2_r11_snorm)
+fake(etc2_rg11_unorm)
+fake(etc2_rg11_snorm)
diff --git a/src/gallium/auxiliary/util/u_format_fake.h b/src/gallium/auxiliary/util/u_format_fake.h
new file mode 100644
index 0000000..e6bfd4e
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_format_fake.h
@@ -0,0 +1,66 @@
+/**************************************************************************
+ *
+ * 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_FAKE_H_
+#define U_FORMAT_FAKE_H_
+
+#define __format_fake(format) \
+void \
+util_format_##format##_fetch_rgba_8unorm(uint8_t *dst, const uint8_t *src, unsigned i, unsigned j); \
+\
+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); \
+\
+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); \
+\
+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); \
+\
+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); \
+\
+void \
+util_format_##format##_fetch_rgba_float(float *dst, const uint8_t *src, unsigned i, unsigned j);
+
+__format_fake(bptc_rgba_unorm)
+__format_fake(bptc_srgba)
+__format_fake(bptc_rgb_float)
+__format_fake(bptc_rgb_ufloat)
+
+__format_fake(etc2_rgb8)
+__format_fake(etc2_srgb8)
+__format_fake(etc2_rgb8a1)
+__format_fake(etc2_srgb8a1)
+__format_fake(etc2_rgba8)
+__format_fake(etc2_srgba8)
+__format_fake(etc2_r11_unorm)
+__format_fake(etc2_r11_snorm)
+__format_fake(etc2_rg11_unorm)
+__format_fake(etc2_rg11_snorm)
+
+#endif
diff --git a/src/gallium/auxiliary/util/u_format_table.py b/src/gallium/auxiliary/util/u_format_table.py
index ad582e4..aceb0ca 100755
--- a/src/gallium/auxiliary/util/u_format_table.py
+++ b/src/gallium/auxiliary/util/u_format_table.py
@@ -90,7 +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 '#include "u_format_fake.h"'
     print
     
     u_format_pack.generate(formats)
diff --git a/src/gallium/include/pipe/p_format.h b/src/gallium/include/pipe/p_format.h
index 3f505f2..b2646d4 100644
--- a/src/gallium/include/pipe/p_format.h
+++ b/src/gallium/include/pipe/p_format.h
@@ -348,6 +348,17 @@ enum pipe_format {
    PIPE_FORMAT_A8B8G8R8_SNORM          = 267,
    PIPE_FORMAT_X8B8G8R8_SNORM          = 268,
 
+   PIPE_FORMAT_ETC2_RGB8               = 269,
+   PIPE_FORMAT_ETC2_SRGB8              = 270,
+   PIPE_FORMAT_ETC2_RGB8A1             = 271,
+   PIPE_FORMAT_ETC2_SRGB8A1            = 272,
+   PIPE_FORMAT_ETC2_RGBA8              = 273,
+   PIPE_FORMAT_ETC2_SRGBA8             = 274,
+   PIPE_FORMAT_ETC2_R11_UNORM          = 275,
+   PIPE_FORMAT_ETC2_R11_SNORM          = 276,
+   PIPE_FORMAT_ETC2_RG11_UNORM         = 277,
+   PIPE_FORMAT_ETC2_RG11_SNORM         = 278,
+
    PIPE_FORMAT_COUNT
 };