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-rw-r--r--src/mesa/main/mipmap.c2
-rw-r--r--src/mesa/main/pack.c2
-rw-r--r--src/mesa/main/rgb9e5.h173
-rw-r--r--src/mesa/main/texfetch.c2
-rw-r--r--src/mesa/main/texformat.c4
-rw-r--r--src/mesa/main/texstore.c2
6 files changed, 6 insertions, 179 deletions
diff --git a/src/mesa/main/mipmap.c b/src/mesa/main/mipmap.c
index 88cb5b53bf7..a6e3652c789 100644
--- a/src/mesa/main/mipmap.c
+++ b/src/mesa/main/mipmap.c
@@ -35,7 +35,7 @@
#include "texstore.h"
#include "image.h"
#include "macros.h"
-#include "rgb9e5.h"
+#include "../../gallium/auxiliary/util/u_format_rgb9e5.h"
diff --git a/src/mesa/main/pack.c b/src/mesa/main/pack.c
index 37608f26364..9c3d0854927 100644
--- a/src/mesa/main/pack.c
+++ b/src/mesa/main/pack.c
@@ -38,7 +38,7 @@
#include "pack.h"
#include "pixeltransfer.h"
#include "imports.h"
-#include "rgb9e5.h"
+#include "../../gallium/auxiliary/util/u_format_rgb9e5.h"
/**
diff --git a/src/mesa/main/rgb9e5.h b/src/mesa/main/rgb9e5.h
deleted file mode 100644
index 9bb431ffe9c..00000000000
--- a/src/mesa/main/rgb9e5.h
+++ /dev/null
@@ -1,173 +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. */
-
-#ifndef RGB9E5_H
-#define RGB9E5_H
-
-#include <math.h>
-#include <assert.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))
-#define EPSILON_RGB9E5 ((1.0/RGB9E5_MANTISSA_VALUES) / (1<<RGB9E5_EXP_BIAS))
-
-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 float rgb9e5_ClampRange(float x)
-{
- if (x > 0.0) {
- if (x >= MAX_RGB9E5) {
- return MAX_RGB9E5;
- } else {
- return x;
- }
- } else {
- /* NaN gets here too since comparisons with NaN always fail! */
- return 0.0;
- }
-}
-
-static INLINE float rgb9e5_MaxOf3(float x, float y, float z)
-{
- if (x > y) {
- return MAX2(x, z);
- } else {
- return MAX2(y, z);
- }
-}
-
-/* Ok, FloorLog2 is not correct for the denorm and zero values, but we
- are going to do a max of this value with the minimum rgb9e5 exponent
- that will hide these problem cases. */
-static INLINE int rgb9e5_FloorLog2(float x)
-{
- float754 f;
-
- f.value = x;
- return (f.field.biasedexponent - 127);
-}
-
-static INLINE unsigned float3_to_rgb9e5(const float rgb[3])
-{
- rgb9e5 retval;
- float maxrgb;
- int rm, gm, bm;
- float rc, gc, bc;
- int exp_shared, maxm;
- double denom;
-
- rc = rgb9e5_ClampRange(rgb[0]);
- gc = rgb9e5_ClampRange(rgb[1]);
- bc = rgb9e5_ClampRange(rgb[2]);
-
- maxrgb = rgb9e5_MaxOf3(rc, gc, bc);
- exp_shared = MAX2(-RGB9E5_EXP_BIAS-1, rgb9e5_FloorLog2(maxrgb)) + 1 + RGB9E5_EXP_BIAS;
- assert(exp_shared <= RGB9E5_MAX_VALID_BIASED_EXP);
- assert(exp_shared >= 0);
- /* This pow function could be replaced by a table. */
- denom = pow(2, exp_shared - RGB9E5_EXP_BIAS - RGB9E5_MANTISSA_BITS);
-
- maxm = (int) floor(maxrgb / denom + 0.5);
- if (maxm == MAX_RGB9E5_MANTISSA+1) {
- denom *= 2;
- exp_shared += 1;
- assert(exp_shared <= RGB9E5_MAX_VALID_BIASED_EXP);
- } else {
- assert(maxm <= MAX_RGB9E5_MANTISSA);
- }
-
- rm = (int) floor(rc / denom + 0.5);
- gm = (int) floor(gc / denom + 0.5);
- bm = (int) floor(bc / denom + 0.5);
-
- 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;
- float scale;
-
- v.raw = rgb;
- exponent = v.field.biasedexponent - RGB9E5_EXP_BIAS - RGB9E5_MANTISSA_BITS;
- scale = (float) pow(2, exponent);
-
- retval[0] = v.field.r * scale;
- retval[1] = v.field.g * scale;
- retval[2] = v.field.b * scale;
-}
-
-#endif
diff --git a/src/mesa/main/texfetch.c b/src/mesa/main/texfetch.c
index 4acc938d093..d6d7b6b8f16 100644
--- a/src/mesa/main/texfetch.c
+++ b/src/mesa/main/texfetch.c
@@ -41,7 +41,7 @@
#include "texcompress_rgtc.h"
#include "texfetch.h"
#include "teximage.h"
-#include "rgb9e5.h"
+#include "../../gallium/auxiliary/util/u_format_rgb9e5.h"
/**
diff --git a/src/mesa/main/texformat.c b/src/mesa/main/texformat.c
index 3520f24382f..15fa61f9f79 100644
--- a/src/mesa/main/texformat.c
+++ b/src/mesa/main/texformat.c
@@ -385,8 +385,8 @@ _mesa_choose_tex_format( struct gl_context *ctx, GLint internalFormat,
if (ctx->Extensions.EXT_texture_shared_exponent) {
switch (internalFormat) {
case GL_RGB9_E5:
- RETURN_IF_SUPPORTED(MESA_FORMAT_RGB9_E5_FLOAT);
- break;
+ ASSERT(ctx->TextureFormatSupported[MESA_FORMAT_RGB9_E5_FLOAT]);
+ return MESA_FORMAT_RGB9_E5_FLOAT;
default:
; /* fallthrough */
}
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c
index 5cdde4524b2..39f59e3cbd9 100644
--- a/src/mesa/main/texstore.c
+++ b/src/mesa/main/texstore.c
@@ -70,7 +70,7 @@
#include "teximage.h"
#include "texstore.h"
#include "enums.h"
-#include "rgb9e5.h"
+#include "../../gallium/auxiliary/util/u_format_rgb9e5.h"
enum {