From 7606b22c50d7131b13ec1ed8f54a3fd3ffec7c85 Mon Sep 17 00:00:00 2001
From: lixianjing <xianjimli@hotmail.com>
Date: Tue, 9 Apr 2024 20:15:33 +0800
Subject: [PATCH] improve build scripts

---
 3rd/pixman/SConscript | 86 +++++++++++++++++++++++++++++--------------
 docs/changes.md       |  1 +
 2 files changed, 59 insertions(+), 28 deletions(-)

diff --git a/3rd/pixman/SConscript b/3rd/pixman/SConscript
index 30496b6fb..ff72bc517 100644
--- a/3rd/pixman/SConscript
+++ b/3rd/pixman/SConscript
@@ -38,32 +38,62 @@ sources=[
 #  "pixman/pixman-vmx.c",
 ]
 
-arm_sources=[
-  "pixman/pixman-arm-neon.c",
-  "pixman/pixman-arm-simd.c",
-  "pixman/pixman-arm-neon-asm-bilinear.S",
-  "pixman/pixman-arm-neon-asm.S",
-  "pixman/pixman-arm-simd-asm.S",
-  "pixman/pixman-arm-simd-asm-scaled.S",
-]
-
-ppc_sources=[
-]
-
-x86_sources=[
-#  "pixman/pixman-mmx.c",
-#  "pixman/pixman-sse2.c",
-#  "pixman/pixman-ssse3.c",
-]
-
-vmx_sources=[
-]
-
-mips_sources=[
-  "pixman/pixman-mips-dspr2.c",
-  "pixman/pixman-mips-dspr2-asm.S",
-  "pixman/pixman-mips-memcpy-asm.S",
-]
-
+def useOption(key):
+  return key in os.environ and os.environ[key] == 'true'
+  
 env=DefaultEnvironment().Clone()
-env.Library(os.path.join(LIB_DIR, 'pixman'), sources + x86_sources)
+
+OPTIMAL_CFLAGS=''
+optimal_sources = []
+if useOption('USE_X86_MMX'):
+  print('USE_X86_MMX');
+  OPTIMAL_CFLAGS=' -DUSE_X86_MMX '
+  optimal_sources =  [
+    "pixman/pixman-mmx.c",
+  ]
+
+if useOption('USE_SSE2'):
+  print('USE_SSE2');
+  OPTIMAL_CFLAGS=' -DUSE_SSE2 '
+  optimal_sources =  [
+  "pixman/pixman-sse2.c",
+  ]
+
+if useOption('USE_SSSE3'):
+  print('USE_SSSE3');
+  OPTIMAL_CFLAGS=' -DUSE_SSSE3 '
+  optimal_sources =  [
+  "pixman/pixman-ssse3.c",
+  ]
+
+if useOption('USE_MIPS_DSPR2'):
+  print('USE_MIPS_DSPR2');
+  OPTIMAL_CFLAGS=' -DUSE_MIPS_DSPR2 '
+  optimal_sources =  [
+    "pixman/pixman-mips-dspr2.c",
+    "pixman/pixman-mips-dspr2-asm.S",
+    "pixman/pixman-mips-memcpy-asm.S",
+  ]
+
+if useOption('USE_ARM_SIMD'):
+  print('USE_ARM_SIMD');
+  OPTIMAL_CFLAGS=' -DUSE_ARM_SIMD '
+  optimal_sources =  [
+    "pixman/pixman-arm-simd.c",
+    "pixman/pixman-arm-simd-asm.S",
+    "pixman/pixman-arm-simd-asm-scaled.S",
+  ]
+
+if useOption('USE_ARM_NEON'):
+  print('USE_ARM_NEON');
+  OPTIMAL_CFLAGS=' -DUSE_ARM_NEON '
+  optimal_sources =  [
+    "pixman/pixman-arm-neon.c",
+    "pixman/pixman-arm-neon-asm-bilinear.S",
+    "pixman/pixman-arm-neon-asm.S"
+  ]
+
+sources += optimal_sources;
+
+CFLAGS=env['CFLAGS'] + OPTIMAL_CFLAGS
+env.Library(os.path.join(LIB_DIR, 'pixman'), sources, CFLAGS=CFLAGS)
diff --git a/docs/changes.md b/docs/changes.md
index 68d691fcc..9e14a9fed 100644
--- a/docs/changes.md
+++ b/docs/changes.md
@@ -1,6 +1,7 @@
 # 最新动态
 
 2024/04/09
+  * improve pixmap Scons script
   * conf doc extend type\ 支持数组类型(感谢兆坤提供补丁)
   * 增加fps的位置直接修改的功能(感谢智明提供补丁)
   * 增加demouiold的测试环形进度条的变色例子和增加修改fps位置的例子(感谢智明提供补丁)