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-rw-r--r--src/gallium/auxiliary/Makefile.sources1
-rw-r--r--src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c2
-rw-r--r--src/gallium/auxiliary/util/u_format_other.c2
-rw-r--r--src/gallium/auxiliary/util/u_format_rgb9e5.h161
4 files changed, 2 insertions, 164 deletions
diff --git a/src/gallium/auxiliary/Makefile.sources b/src/gallium/auxiliary/Makefile.sources
index 26f7eee365b..230f52beec8 100644
--- a/src/gallium/auxiliary/Makefile.sources
+++ b/src/gallium/auxiliary/Makefile.sources
@@ -229,7 +229,6 @@ C_SOURCES := \
util/u_format_other.c \
util/u_format_other.h \
util/u_format_r11g11b10f.h \
- util/u_format_rgb9e5.h \
util/u_format_rgtc.c \
util/u_format_rgtc.h \
util/u_format_s3tc.c \
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c b/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
index 3a8327d8305..1b48fc2a91e 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_sample_soa.c
@@ -42,7 +42,7 @@
#include "util/u_math.h"
#include "util/u_format.h"
#include "util/u_cpu_detect.h"
-#include "util/u_format_rgb9e5.h"
+#include "util/format_rgb9e5.h"
#include "lp_bld_debug.h"
#include "lp_bld_type.h"
#include "lp_bld_const.h"
diff --git a/src/gallium/auxiliary/util/u_format_other.c b/src/gallium/auxiliary/util/u_format_other.c
index 20752d469a0..81978355f94 100644
--- a/src/gallium/auxiliary/util/u_format_other.c
+++ b/src/gallium/auxiliary/util/u_format_other.c
@@ -28,7 +28,7 @@
#include "u_math.h"
#include "u_format_other.h"
-#include "u_format_rgb9e5.h"
+#include "util/format_rgb9e5.h"
#include "u_format_r11g11b10f.h"
diff --git a/src/gallium/auxiliary/util/u_format_rgb9e5.h b/src/gallium/auxiliary/util/u_format_rgb9e5.h
deleted file mode 100644
index 21feba7b710..00000000000
--- a/src/gallium/auxiliary/util/u_format_rgb9e5.h
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * Copyright (C) 2011 Marek Olšák <[email protected]>
- *
- * 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, sublicense,
- * 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 above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS 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.
- */
-
-/* Copied from EXT_texture_shared_exponent and edited, getting rid of
- * expensive float math bits too. */
-
-#ifndef RGB9E5_H
-#define RGB9E5_H
-
-#include <assert.h>
-
-#include "c99_math.h"
-
-#define RGB9E5_EXPONENT_BITS 5
-#define RGB9E5_MANTISSA_BITS 9
-#define RGB9E5_EXP_BIAS 15
-#define RGB9E5_MAX_VALID_BIASED_EXP 31
-
-#define MAX_RGB9E5_EXP (RGB9E5_MAX_VALID_BIASED_EXP - RGB9E5_EXP_BIAS)
-#define RGB9E5_MANTISSA_VALUES (1<<RGB9E5_MANTISSA_BITS)
-#define MAX_RGB9E5_MANTISSA (RGB9E5_MANTISSA_VALUES-1)
-#define MAX_RGB9E5 (((float)MAX_RGB9E5_MANTISSA)/RGB9E5_MANTISSA_VALUES * (1<<MAX_RGB9E5_EXP))
-
-typedef union {
- unsigned int raw;
- float value;
- struct {
-#if defined(MESA_BIG_ENDIAN) || defined(PIPE_ARCH_BIG_ENDIAN)
- unsigned int negative:1;
- unsigned int biasedexponent:8;
- unsigned int mantissa:23;
-#else
- unsigned int mantissa:23;
- unsigned int biasedexponent:8;
- unsigned int negative:1;
-#endif
- } field;
-} float754;
-
-typedef union {
- unsigned int raw;
- struct {
-#if defined(MESA_BIG_ENDIAN) || defined(PIPE_ARCH_BIG_ENDIAN)
- unsigned int biasedexponent:RGB9E5_EXPONENT_BITS;
- unsigned int b:RGB9E5_MANTISSA_BITS;
- unsigned int g:RGB9E5_MANTISSA_BITS;
- unsigned int r:RGB9E5_MANTISSA_BITS;
-#else
- unsigned int r:RGB9E5_MANTISSA_BITS;
- unsigned int g:RGB9E5_MANTISSA_BITS;
- unsigned int b:RGB9E5_MANTISSA_BITS;
- unsigned int biasedexponent:RGB9E5_EXPONENT_BITS;
-#endif
- } field;
-} rgb9e5;
-
-
-static inline int rgb9e5_ClampRange(float x)
-{
- float754 f;
- float754 max;
- f.value = x;
- max.value = MAX_RGB9E5;
-
- if (f.raw > 0x7f800000)
- /* catches neg, NaNs */
- return 0;
- else if (f.raw >= max.raw)
- return max.raw;
- else
- return f.raw;
-}
-
-static inline unsigned float3_to_rgb9e5(const float rgb[3])
-{
- rgb9e5 retval;
- int rm, gm, bm, exp_shared;
- float754 revdenom = {0};
- float754 rc, bc, gc, maxrgb;
-
- rc.raw = rgb9e5_ClampRange(rgb[0]);
- gc.raw = rgb9e5_ClampRange(rgb[1]);
- bc.raw = rgb9e5_ClampRange(rgb[2]);
- maxrgb.raw = MAX3(rc.raw, gc.raw, bc.raw);
-
- /*
- * Compared to what the spec suggests, instead of conditionally adjusting
- * the exponent after the fact do it here by doing the equivalent of +0.5 -
- * the int add will spill over into the exponent in this case.
- */
- maxrgb.raw += maxrgb.raw & (1 << (23-9));
- exp_shared = MAX2((maxrgb.raw >> 23), -RGB9E5_EXP_BIAS - 1 + 127) +
- 1 + RGB9E5_EXP_BIAS - 127;
- revdenom.field.biasedexponent = 127 - (exp_shared - RGB9E5_EXP_BIAS -
- RGB9E5_MANTISSA_BITS) + 1;
- assert(exp_shared <= RGB9E5_MAX_VALID_BIASED_EXP);
-
- /*
- * The spec uses strict round-up behavior (d3d10 disagrees, but in any case
- * must match what is done above for figuring out exponent).
- * We avoid the doubles ((int) rc * revdenom + 0.5) by doing the rounding
- * ourselves (revdenom was adjusted by +1, above).
- */
- rm = (int) (rc.value * revdenom.value);
- gm = (int) (gc.value * revdenom.value);
- bm = (int) (bc.value * revdenom.value);
- rm = (rm & 1) + (rm >> 1);
- gm = (gm & 1) + (gm >> 1);
- bm = (bm & 1) + (bm >> 1);
-
- assert(rm <= MAX_RGB9E5_MANTISSA);
- assert(gm <= MAX_RGB9E5_MANTISSA);
- assert(bm <= MAX_RGB9E5_MANTISSA);
- assert(rm >= 0);
- assert(gm >= 0);
- assert(bm >= 0);
-
- retval.field.r = rm;
- retval.field.g = gm;
- retval.field.b = bm;
- retval.field.biasedexponent = exp_shared;
-
- return retval.raw;
-}
-
-static inline void rgb9e5_to_float3(unsigned rgb, float retval[3])
-{
- rgb9e5 v;
- int exponent;
- float754 scale = {0};
-
- v.raw = rgb;
- exponent = v.field.biasedexponent - RGB9E5_EXP_BIAS - RGB9E5_MANTISSA_BITS;
- scale.field.biasedexponent = exponent + 127;
-
- retval[0] = v.field.r * scale.value;
- retval[1] = v.field.g * scale.value;
- retval[2] = v.field.b * scale.value;
-}
-
-#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 01:25:17 +0000