egl: Enable EGL_KHR_GL_COLORSPACE

Add EGL_KHR_GL_COLORSPACE extension to EGL header.
Enable EGL_KHR_GL_COLORSPACE extension handling in meta EGL layer.

Change-Id: If6d3fe26c411ddc83d8b23bf16e93862cf68c1b6
diff --git a/opengl/include/EGL/eglext.h b/opengl/include/EGL/eglext.h
index ccba432..114079b 100644
--- a/opengl/include/EGL/eglext.h
+++ b/opengl/include/EGL/eglext.h
@@ -115,6 +115,13 @@
 #define EGL_GL_TEXTURE_ZOFFSET_KHR		0x30BD	/* eglCreateImageKHR attribute */
 #endif
 
+#ifndef EGL_KHR_gl_colorspace
+#define EGL_KHR_gl_colorspace 1
+#define EGL_GL_COLORSPACE_KHR             0x309D
+#define EGL_GL_COLORSPACE_SRGB_KHR        0x3089
+#define EGL_GL_COLORSPACE_LINEAR_KHR      0x308A
+#endif
+
 #ifndef EGL_KHR_gl_renderbuffer_image
 #define EGL_KHR_gl_renderbuffer_image 1
 #define EGL_GL_RENDERBUFFER_KHR			0x30B9	/* eglCreateImageKHR target */
diff --git a/opengl/libs/EGL/eglApi.cpp b/opengl/libs/EGL/eglApi.cpp
index cdec565..cfae095 100644
--- a/opengl/libs/EGL/eglApi.cpp
+++ b/opengl/libs/EGL/eglApi.cpp
@@ -49,10 +49,6 @@
 
 using namespace android;
 
-// This extension has not been ratified yet, so can't be shipped.
-// Implementation is incomplete and untested.
-#define ENABLE_EGL_KHR_GL_COLORSPACE 0
-
 // ----------------------------------------------------------------------------
 
 namespace android {
@@ -87,9 +83,7 @@
         "EGL_KHR_image_base "                   // mandatory
         "EGL_KHR_image_pixmap "
         "EGL_KHR_lock_surface "
-#if (ENABLE_EGL_KHR_GL_COLORSPACE != 0)
         "EGL_KHR_gl_colorspace "
-#endif
         "EGL_KHR_gl_texture_2D_image "
         "EGL_KHR_gl_texture_3D_image "
         "EGL_KHR_gl_texture_cubemap_image "
@@ -417,12 +411,6 @@
 // surfaces
 // ----------------------------------------------------------------------------
 
-// The EGL_KHR_gl_colorspace spec hasn't been ratified yet, so these haven't
-// been added to the Khronos egl.h.
-#define EGL_GL_COLORSPACE_KHR           EGL_VG_COLORSPACE
-#define EGL_GL_COLORSPACE_SRGB_KHR      EGL_VG_COLORSPACE_sRGB
-#define EGL_GL_COLORSPACE_LINEAR_KHR    EGL_VG_COLORSPACE_LINEAR
-
 // Turn linear formats into corresponding sRGB formats when colorspace is
 // EGL_GL_COLORSPACE_SRGB_KHR, or turn sRGB formats into corresponding linear
 // formats when colorspace is EGL_GL_COLORSPACE_LINEAR_KHR. In any cases where
@@ -489,17 +477,7 @@
         if (attrib_list && dp->haveExtension("EGL_KHR_gl_colorspace")) {
             for (const EGLint* attr = attrib_list; *attr != EGL_NONE; attr += 2) {
                 if (*attr == EGL_GL_COLORSPACE_KHR) {
-                    if (ENABLE_EGL_KHR_GL_COLORSPACE) {
-                        dataSpace = modifyBufferDataspace(dataSpace, *(attr+1));
-                    } else {
-                        // Normally we'd pass through unhandled attributes to
-                        // the driver. But in case the driver implements this
-                        // extension but we're disabling it, we want to prevent
-                        // it getting through -- support will be broken without
-                        // our help.
-                        ALOGE("sRGB window surfaces not supported");
-                        return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
-                    }
+                    dataSpace = modifyBufferDataspace(dataSpace, *(attr+1));
                 }
             }
         }