From f282f15ae747cab342559be7ec65c9bee4c9ba55 Mon Sep 17 00:00:00 2001
From: "A. Wilcox" <AWilcox@Wilcox-Tech.com>
Date: Thu, 5 Jul 2018 00:40:15 -0500
Subject: user/pixman: take, fix

---
 user/pixman/APKBUILD                  | 40 +++++++++++++++++++++++++++++++++++
 user/pixman/float-header-fix.patch    | 16 ++++++++++++++
 user/pixman/stacksize-reduction.patch | 35 ++++++++++++++++++++++++++++++
 3 files changed, 91 insertions(+)
 create mode 100644 user/pixman/APKBUILD
 create mode 100644 user/pixman/float-header-fix.patch
 create mode 100644 user/pixman/stacksize-reduction.patch

(limited to 'user/pixman')

diff --git a/user/pixman/APKBUILD b/user/pixman/APKBUILD
new file mode 100644
index 000000000..607a49afb
--- /dev/null
+++ b/user/pixman/APKBUILD
@@ -0,0 +1,40 @@
+# Maintainer: A. Wilcox <awilfox@adelielinux.org>
+pkgname=pixman
+pkgver=0.34.0
+pkgrel=5
+pkgdesc="Low-level pixel manipulation library"
+url="https://www.X.Org/"
+arch="all"
+license="MIT"
+subpackages="$pkgname-dev $pkgname-dbg"
+makedepends="perl linux-headers"
+source="https://www.X.Org/releases/individual/lib/$pkgname-$pkgver.tar.bz2
+	float-header-fix.patch
+	stacksize-reduction.patch
+	"
+
+build() {
+	cd "$builddir"
+	./configure \
+		--build=$CBUILD \
+		--host=$CHOST \
+		--prefix=/usr \
+		--disable-static \
+		--disable-openmp \
+		--disable-arm-iwmmxt
+	make
+}
+
+check() {
+	cd "$builddir"
+	make check
+}
+
+package() {
+	cd "$builddir"
+	make DESTDIR="$pkgdir" install
+}
+
+sha512sums="755a3f5596e7bd9710abc8e5bfd341adaf2177f5b21f7aaae7f85b8fb57580ea48df586ad32bf6adef6ce0430e7cadaa57754a2fa466bc4b15bf70ee64cd1418  pixman-0.34.0.tar.bz2
+5064da221fe406e58169df0b07df7123ccf65487e654dba9e0903122480363c2b4e11ec0a14ac546658c747934509f2f66e3d0d078d6dd0ac92505c24b0e9ee9  float-header-fix.patch
+3d75e7328e6eaaa6e8f4defa4402db815764369f94b81be38fba07933267fe24b03b591dd4c3f3544cb090650153728bfbdd81a91acaf19524c3d08f61427f63  stacksize-reduction.patch"
diff --git a/user/pixman/float-header-fix.patch b/user/pixman/float-header-fix.patch
new file mode 100644
index 000000000..5c151a14f
--- /dev/null
+++ b/user/pixman/float-header-fix.patch
@@ -0,0 +1,16 @@
+--- ./pixman/pixman-private.h.orig
++++ ./pixman/pixman-private.h
+@@ -1,5 +1,3 @@
+-#include <float.h>
+-
+ #ifndef PIXMAN_PRIVATE_H
+ #define PIXMAN_PRIVATE_H
+ 
+@@ -30,6 +28,7 @@
+ #include <stdio.h>
+ #include <string.h>
+ #include <stddef.h>
++#include <float.h>
+ 
+ #include "pixman-compiler.h"
+ 
diff --git a/user/pixman/stacksize-reduction.patch b/user/pixman/stacksize-reduction.patch
new file mode 100644
index 000000000..38da9b3ff
--- /dev/null
+++ b/user/pixman/stacksize-reduction.patch
@@ -0,0 +1,35 @@
+Reduce the stack footprint of pixman's function
+general_composite_rect() which allocates a large buffer
+`stack_scanline_buffer`. Make it `static __thread` instead.
+
+--- a/pixman/pixman-general.c	2015-12-27 21:37:37.000000000 +0100
++++ b/pixman/pixman-general.c	2016-05-05 12:24:47.346661080 +0200
+@@ -128,8 +128,8 @@
+                          pixman_composite_info_t *info)
+ {
+     PIXMAN_COMPOSITE_ARGS (info);
+-    uint8_t stack_scanline_buffer[3 * SCANLINE_BUFFER_LENGTH];
+-    uint8_t *scanline_buffer = (uint8_t *) stack_scanline_buffer;
++    static __thread uint8_t static_scanline_buffer[3 * SCANLINE_BUFFER_LENGTH];
++    uint8_t *scanline_buffer = (uint8_t *) static_scanline_buffer;
+     uint8_t *src_buffer, *mask_buffer, *dest_buffer;
+     pixman_iter_t src_iter, mask_iter, dest_iter;
+     pixman_combine_32_func_t compose;
+@@ -158,7 +158,7 @@
+     if (width <= 0 || _pixman_multiply_overflows_int (width, Bpp * 3))
+ 	return;
+ 
+-    if (width * Bpp * 3 > sizeof (stack_scanline_buffer) - 15 * 3)
++    if (width * Bpp * 3 > sizeof (static_scanline_buffer) - 15 * 3)
+     {
+ 	scanline_buffer = pixman_malloc_ab_plus_c (width, Bpp * 3, 15 * 3);
+ 
+@@ -232,7 +232,7 @@
+     if (dest_iter.fini)
+ 	dest_iter.fini (&dest_iter);
+     
+-    if (scanline_buffer != (uint8_t *) stack_scanline_buffer)
++    if (scanline_buffer != (uint8_t *) static_scanline_buffer)
+ 	free (scanline_buffer);
+ }
+ 
-- 
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