Fix build when SSE2 is not available.

Although SSE2 support is detected at runtime it still may not be
available at build time, so we have to ensure it only uses SSE2
when it is available at build time too.

Change-Id: I86c45a6466ab4cec79aa0f62b0d5230a78ad825a
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>

3 files changed, 55 insertions, 1 deletions

diff --git a/src/3rdparty/angle/src/libGLESv2/Texture.cpp b/src/3rdparty/angle/src/libGLESv2/Texture.cpp
index af430bf145..0ea475d088 100644
--- a/src/3rdparty/angle/src/libGLESv2/Texture.cpp
+++ b/src/3rdparty/angle/src/libGLESv2/Texture.cpp
@@ -378,11 +378,13 @@ void Image::loadData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height
     switch (mInternalFormat)
     {
       case GL_ALPHA8_EXT:
+#if defined(__SSE2__)
         if (supportsSSE2())
         {
             loadAlphaDataSSE2(width, height, inputPitch, input, locked.Pitch, locked.pBits);
         }
         else
+#endif
         {
             loadAlphaData(width, height, inputPitch, input, locked.Pitch, locked.pBits);
         }
@@ -418,11 +420,13 @@ void Image::loadData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height
         loadRGB565Data(width, height, inputPitch, input, locked.Pitch, locked.pBits);
         break;
       case GL_RGBA8_OES:
+#if defined(__SSE2__)
         if (supportsSSE2())
         {
             loadRGBAUByteDataSSE2(width, height, inputPitch, input, locked.Pitch, locked.pBits);
         }
         else
+#endif
         {
             loadRGBAUByteData(width, height, inputPitch, input, locked.Pitch, locked.pBits);
         }
diff --git a/src/angle/patches/0005-Fix-build-when-SSE2-is-not-available.patch b/src/angle/patches/0005-Fix-build-when-SSE2-is-not-available.patch
new file mode 100644
index 0000000000..7519e3ba63
--- /dev/null
+++ b/src/angle/patches/0005-Fix-build-when-SSE2-is-not-available.patch
@@ -0,0 +1,49 @@
+From 45a06cc846dbe451bf42c5b3f617729f208743b1 Mon Sep 17 00:00:00 2001
+From: Andy Shaw <andy.shaw@digia.com>
+Date: Wed, 28 Nov 2012 15:38:58 +0100
+Subject: [PATCH] Fix build when SSE2 is not available.
+
+Although SSE2 support is detected at runtime it still may not be
+available at build time, so we have to ensure it only uses SSE2
+when it is available at build time too.
+
+Change-Id: I86c45a6466ab4cec79aa0f62b0d5230a78ad825a
+---
+ src/3rdparty/angle/src/libGLESv2/Texture.cpp |    4 ++++
+ 1 files changed, 4 insertions(+), 0 deletions(-)
+
+diff --git a/src/3rdparty/angle/src/libGLESv2/Texture.cpp b/src/3rdparty/angle/src/libGLESv2/Texture.cpp
+index af430bf..0ea475d 100644
+--- a/src/3rdparty/angle/src/libGLESv2/Texture.cpp
++++ b/src/3rdparty/angle/src/libGLESv2/Texture.cpp
+@@ -378,11 +378,13 @@ void Image::loadData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height
+     switch (mInternalFormat)
+     {
+       case GL_ALPHA8_EXT:
++#if defined(__SSE2__)
+         if (supportsSSE2())
+         {
+             loadAlphaDataSSE2(width, height, inputPitch, input, locked.Pitch, locked.pBits);
+         }
+         else
++#endif
+         {
+             loadAlphaData(width, height, inputPitch, input, locked.Pitch, locked.pBits);
+         }
+@@ -418,11 +420,13 @@ void Image::loadData(GLint xoffset, GLint yoffset, GLsizei width, GLsizei height
+         loadRGB565Data(width, height, inputPitch, input, locked.Pitch, locked.pBits);
+         break;
+       case GL_RGBA8_OES:
++#if defined(__SSE2__)
+         if (supportsSSE2())
+         {
+             loadRGBAUByteDataSSE2(width, height, inputPitch, input, locked.Pitch, locked.pBits);
+         }
+         else
++#endif
+         {
+             loadRGBAUByteData(width, height, inputPitch, input, locked.Pitch, locked.pBits);
+         }
+--
+1.7.9.msysgit.0
+
diff --git a/src/angle/src/libGLESv2/libGLESv2.pro b/src/angle/src/libGLESv2/libGLESv2.pro
index 32be7e615d..ae522b2dd5 100644
--- a/src/angle/src/libGLESv2/libGLESv2.pro
+++ b/src/angle/src/libGLESv2/libGLESv2.pro
@@ -62,10 +62,11 @@ SOURCES += \
     $$ANGLE_DIR/src/libGLESv2/ResourceManager.cpp \
     $$ANGLE_DIR/src/libGLESv2/Shader.cpp \
     $$ANGLE_DIR/src/libGLESv2/Texture.cpp \
-    $$ANGLE_DIR/src/libGLESv2/TextureSSE2.cpp \
     $$ANGLE_DIR/src/libGLESv2/utilities.cpp \
     $$ANGLE_DIR/src/libGLESv2/VertexDataManager.cpp
 
+SSE2_SOURCES += $$ANGLE_DIR/src/libGLESv2/TextureSSE2.cpp
+
 float_converter.target = float_converter
 float_converter.commands = python $$ANGLE_DIR/src/libGLESv2/Float16ToFloat32.py \
                 > $$ANGLE_DIR/src/libGLESv2/Float16ToFloat32.cpp