glamor-es2: Add gles2 option.

First commit to enable gles2 support. --enable-glamor-ddx
--enable-glamor-gles2 will set thwo MACROs GLAMOR_DDX and
GLAMOR_GLES2.

Currently, the gles2 support is still incomplete.
Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>

Makefile.am

@@ -17,6 +17,10 @@ if RECORD
 RECORD_DIR=record
 endif
 
+if GLAMOR
+GLAMOR_DIR=glamor
+endif
+
 SUBDIRS = \
 	doc \
 	man \
@@ -38,7 +42,7 @@ SUBDIRS = \
 	$(COMPOSITE_DIR) \
 	$(GLX_DIR) \
 	exa \
-	glamor \
+	$(GLAMOR_DIR) \
 	config \
 	hw \
 	test

configure.ac

@@ -646,6 +646,8 @@ AC_ARG_ENABLE(xnest,   	      AS_HELP_STRING([--enable-xnest], [Build Xnest serv
 AC_ARG_ENABLE(xquartz,        AS_HELP_STRING([--enable-xquartz], [Build Xquartz server for OS-X (default: auto)]), [XQUARTZ=$enableval], [XQUARTZ=auto])
 AC_ARG_ENABLE(standalone-xpbproxy, AS_HELP_STRING([--enable-standalone-xpbproxy], [Build a standalone xpbproxy (in addition to the one integrated into Xquartz as a separate thread) (default: no)]), [STANDALONE_XPBPROXY=$enableval], [STANDALONE_XPBPROXY=no])
 AC_ARG_ENABLE(xwin,    	      AS_HELP_STRING([--enable-xwin], [Build XWin server (default: auto)]), [XWIN=$enableval], [XWIN=auto])
+#AC_ARG_ENABLE(glamor,         AS_HELP_STRING([--enable-glamor], [Build glamor server (default: no)]), [GLAMOR=$enableval], [GLAMOR=no])
+AC_ARG_ENABLE(glamor-ddx,     AS_HELP_STRING([--enable-glamor-ddx], [Build glamor ddx (default: no)]), [GLAMOR_DDX=$enableval], [GLAMOR_DDX=no])
 dnl kdrive and its subsystems
 AC_ARG_ENABLE(kdrive,         AS_HELP_STRING([--enable-kdrive], [Build kdrive servers (default: no)]), [KDRIVE=$enableval], [KDRIVE=no])
 AC_ARG_ENABLE(xephyr,         AS_HELP_STRING([--enable-xephyr], [Build the kdrive Xephyr server (default: auto)]), [XEPHYR=$enableval], [XEPHYR=auto])
@@ -655,6 +657,8 @@ dnl kdrive options
 AC_ARG_ENABLE(kdrive-kbd,     AS_HELP_STRING([--enable-kdrive-kbd], [Build kbd driver for kdrive (default: auto)]), [KDRIVE_KBD=$enableval], [KDRIVE_KBD=auto])
 AC_ARG_ENABLE(kdrive-mouse,   AC_HELP_STRING([--enable-kdrive-mouse], [Build mouse driver for kdrive (default: auto)]), [KDRIVE_MOUSE=$enableval], [KDRIVE_MOUSE=auto])
 AC_ARG_ENABLE(kdrive-evdev,   AC_HELP_STRING([--enable-kdrive-evdev], [Build evdev driver for kdrive (default: auto)]), [KDRIVE_EVDEV=$enableval], [KDRIVE_EVDEV=auto])
+dnl glamor options
+AC_ARG_ENABLE(glamor-gles2,         AS_HELP_STRING([--enable-glamor-gles2], [Build glamor based on gles2 (default: no)]), [GLAMOR_GLES2=$enableval], [GLAMOR_GLES2=no])
 
 
 dnl chown/chmod to be setuid root as part of build
@@ -1765,6 +1769,25 @@ AM_CONDITIONAL([SOLARIS_VT], [test "x$solaris_vt" = xyes])
 AM_CONDITIONAL([DGA], [test "x$DGA" = xyes])
 AM_CONDITIONAL([XF86VIDMODE], [test "x$XF86VIDMODE" = xyes])
 
+dnl glamor 
+
+AM_CONDITIONAL([GLAMOR], [test "x$XEPHYR" = xyes || test "x$GLAMOR_DDX" = xyes])
+
+GLAMOR=yes
+
+if test "x$GLAMOR" = xyes; then 
+   AC_DEFINE(GLAMOR,1,[Build Glamor])
+   if test "x$GLAMOR_GLES2" = xyes; then
+      AC_DEFINE(GLAMOR_GLES2,1,[Build glamor over GLES2])
+   else 
+      AC_DEFINE(GLAMOR_GL,1,[Build glamor over GL])
+   fi
+
+   if test "x$GLAMOR_DDX" = xyes; then
+     AC_DEFINE(GLAMOR_DDX,1,[Enable glamor ddx driver])
+   fi
+fi
+
 dnl XWin DDX
 
 AC_MSG_CHECKING([whether to build XWin DDX])

glamor/glamor_priv.h

@@ -29,10 +29,28 @@
 
 #ifdef HAVE_DIX_CONFIG_H
 #include <dix-config.h>
+#include <xorg-config.h>
 #endif
 
 
 #include "glamor.h"
+
+#ifdef GLAMOR_GLES2
+
+#define GLEW_ES_ONLY 1
+
+#define GL_BGRA                                 GL_BGRA_EXT
+#define GL_COLOR_INDEX                          0x1900
+#define GL_BITMAP                               0x1A00
+#define GL_UNSIGNED_INT_8_8_8_8                 0x8035
+#define GL_UNSIGNED_INT_8_8_8_8_REV             0x8367
+#define GL_UNSIGNED_INT_2_10_10_10_REV          0x8368
+#define GL_UNSIGNED_SHORT_5_6_5_REV             0x8364
+#define GL_UNSIGNED_SHORT_1_5_5_5_REV           0x8366
+#define GL_UNSIGNED_SHORT_4_4_4_4_REV           0x8365
+
+#endif
+
 #include <GL/glew.h>
 
 #ifdef RENDER

hw/xfree86/Makefile.am

@@ -27,12 +27,16 @@ if INT10MODULE
 INT10_SUBDIR = int10
 endif
 
-SUBDIRS = common ddc i2c x86emu $(INT10_SUBDIR) fbdevhw glamor os-support parser \
+if GLAMOR
+GLAMOR_DIR=glamor
+endif
+
+SUBDIRS = common ddc i2c x86emu $(INT10_SUBDIR) fbdevhw $(GLAMOR_DIR) os-support parser \
 	  ramdac shadowfb $(VBE_SUBDIR) $(VGAHW_SUBDIR) $(XAA_SUBDIR) \
 	  loader dixmods exa modes \
 	  $(DRI_SUBDIR) $(DRI2_SUBDIR) $(XF86UTILS_SUBDIR) doc man
 
-DIST_SUBDIRS = common ddc i2c x86emu int10 fbdevhw glamor os-support \
+DIST_SUBDIRS = common ddc i2c x86emu int10 fbdevhw $(GLAMOR_DIR) os-support \
                parser ramdac shadowfb vbe vgahw xaa \
                loader dixmods dri dri2 exa modes \
 	       utils doc man

hw/xfree86/common/xf86pciBus.c

@@ -1118,7 +1118,11 @@ videoPtrToDriverList(struct pci_device *dev,
             } else if (dev->device_id == 0x8108) {
                 break; /* "hooray" for poulsbo */
 	    } else {
+#if GLAMOR_DDX
 	      driverList[0] = "glamor";
+#else
+	      driverList[0] = "intel";
+#endif
 	    }
 	    break;
 	case 0x102b:		    driverList[0] = "mga";	break;

hw/xfree86/glamor/Makefile.am

@@ -12,8 +12,11 @@ glamor_la_CFLAGS =					\
 	-I$(top_srcdir)/glamor				\
 	-I/usr/include/drm
 
-glamor_la_LDFLAGS =							\
-	-module -avoid-version -L$(libdir) -lEGL $(top_builddir)/glamor/libglamor.la -lGLEW
+glamor_la_LDFLAGS =				 \
+	-module -avoid-version -L$(libdir) -lEGL \
+        $(top_builddir)/glamor/libglamor.la      \
+        -L$(libdir)/../lib64 -lGLEW
+
 glamor_ladir = $(moduledir)/drivers
 glamor_la_SOURCES =				\
 	glamor.c				\

hw/xfree86/glamor/glamor.c

@@ -38,7 +38,13 @@
 #define GL_GLEXT_PROTOTYPES
 #define EGL_EGLEXT_PROTOTYPES
 #define EGL_DISPLAY_NO_X_MESA
+
+#if GLAMOR_GLES2
+#include <GLES2/gl2.h>
+#else
 #include <GL/gl.h>
+#endif
+
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 
@@ -322,7 +328,6 @@ glamor_screen_init_ddx(int scrnIndex, ScreenPtr screen, int argc, char **argv)
 
 	glamor->display = eglGetDRMDisplayMESA(glamor->fd);
 	eglBindAPI(EGL_OPENGL_API);
-        LogMessageVerb(X_INFO, 0, "%s glCreateProgramObjectARB=%p", __FUNCTION__, *(&glCreateProgramObjectARB));
 	if (!eglInitialize(glamor->display, &glamor->major, &glamor->minor)) {
 		xf86DrvMsg(scrn->scrnIndex, X_ERROR,
 			   "eglInitialize() failed\n");

hw/xfree86/glamor/glamor_crtc.c

@@ -53,7 +53,17 @@
 #define GL_GLEXT_PROTOTYPES
 #define EGL_EGLEXT_PROTOTYPES
 #define EGL_DISPLAY_NO_X_MESA
+
+#if GLAMOR_GLES2
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#ifndef GL_BGRA
+#define GL_BGRA GL_BGRA_EXT
+#endif
+#else
 #include <GL/gl.h>
+#endif
+
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 
@@ -482,11 +492,15 @@ drmmode_load_cursor_argb (xf86CrtcPtr crtc, CARD32 *image)
 				GL_TEXTURE_MAG_FILTER, GL_NEAREST);
 		glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, drmmode_crtc->cursor);
 	}
-
-	glPixelStorei(GL_UNPACK_ROW_LENGTH, 64);
 	glBindTexture(GL_TEXTURE_2D, drmmode_crtc->cursor_tex);
+#if GLAMOR_GLES2
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA, 64, 64, 0,
+	  GL_BGRA,  GL_UNSIGNED_BYTE, image);
+#else
+	glPixelStorei(GL_UNPACK_ROW_LENGTH, 64);
 	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 64, 64, 0,
 	  GL_BGRA,  GL_UNSIGNED_INT_8_8_8_8_REV, image);
+#endif
 
 }
 

include/xorg-config.h.in

@@ -139,4 +139,15 @@
 /* Build with libdrm support */
 #undef WITH_LIBDRM
 
+
+/* Build GLAMOR */
+#undef GLAMOR
+
+/* Build GLAMOR over GLES2*/
+#undef GLAMOR_GLES2
+
+/* Build GLAMOR ddx*/
+#undef GLAMOR_DDX
+
+
 #endif /* _XORG_CONFIG_H_ */