[PATCH 04/10] glamor: Use epoxy_gl_version() instead of rolling our own.

[Markus Wick]

---
 glamor/glamor.c      |  6 +++---
 glamor/glamor_core.c | 23 -----------------------
 glamor/glamor_priv.h |  5 -----
 3 files changed, 3 insertions(+), 31 deletions(-)

diff --git a/glamor/glamor.c b/glamor/glamor.c
index 9d171b7..ef969e2 100644
--- a/glamor/glamor.c
+++ b/glamor/glamor.c
@@ -341,7 +341,7 @@ glamor_init(ScreenPtr screen, unsigned int flags)
     else
         glamor_priv->gl_flavor = GLAMOR_GL_ES2;
 
-    gl_version = glamor_gl_get_version();
+    gl_version = epoxy_gl_version();
 
     /* We'd like to require GL_ARB_map_buffer_range or
      * GL_OES_map_buffer_range, since it offers more information to
@@ -357,12 +357,12 @@ glamor_init(ScreenPtr screen, unsigned int flags)
      * Windows with Intel 4-series (G45) graphics or older.
      */
     if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) {
-        if (gl_version < GLAMOR_GL_VERSION_ENCODE(1, 3)) {
+        if (gl_version < 13) {
             ErrorF("Require OpenGL version 1.3 or later.\n");
             goto fail;
         }
     } else {
-        if (gl_version < GLAMOR_GL_VERSION_ENCODE(2, 0)) {
+        if (gl_version < 20) {
             ErrorF("Require Open GLES2.0 or later.\n");
             goto fail;
         }
diff --git a/glamor/glamor_core.c b/glamor/glamor_core.c
index eeaa595..5711be7 100644
--- a/glamor/glamor_core.c
+++ b/glamor/glamor_core.c
@@ -559,26 +559,3 @@ glamor_bitmap_to_region(PixmapPtr pixmap)
     return ret;
 }
 
-int
-glamor_gl_get_version(void)
-{
-    int major, minor;
-    const char *version = (const char *) glGetString(GL_VERSION);
-    const char *dot = version == NULL ? NULL : strchr(version, '.');
-    const char *major_start = dot;
-
-    /* Sanity check */
-    if (dot == NULL || dot == version || *(dot + 1) == '\0') {
-        major = 0;
-        minor = 0;
-    }
-    else {
-        /* Find the start of the major version in the string */
-        while (major_start > version && *major_start != ' ')
-            --major_start;
-        major = strtol(major_start, NULL, 10);
-        minor = strtol(dot + 1, NULL, 10);
-    }
-
-    return GLAMOR_GL_VERSION_ENCODE(major, minor);
-}
diff --git a/glamor/glamor_priv.h b/glamor/glamor_priv.h
index f278bef..0f0b0f3 100644
--- a/glamor/glamor_priv.h
+++ b/glamor/glamor_priv.h
@@ -619,11 +619,6 @@ Bool glamor_set_alu(ScreenPtr screen, unsigned char alu);
 Bool glamor_set_planemask(PixmapPtr pixmap, unsigned long planemask);
 Bool glamor_change_window_attributes(WindowPtr pWin, unsigned long mask);
 RegionPtr glamor_bitmap_to_region(PixmapPtr pixmap);
-int glamor_gl_get_version(void);
-
-#define GLAMOR_GL_VERSION_ENCODE(major, minor) ( \
-          ((major) * 256)                       \
-        + ((minor) *   1))
 
 /* glamor_fill.c */
 Bool glamor_fill(DrawablePtr drawable,
-- 
1.9.0