xmesa: add xf86glx_util.[hc] from xserver as xm_image.[hc]

1 files changed, 105 insertions, 0 deletions

diff --git a/src/mesa/drivers/x11/xm_image.h b/src/mesa/drivers/x11/xm_image.h
new file mode 100644
index 0000000000..bb314128d4
--- /dev/null
+++ b/src/mesa/drivers/x11/xm_image.h
@@ -0,0 +1,105 @@
+/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+/*
+ * Authors:
+ *   Kevin E. Martin <kevin@precisioninsight.com>
+ *   Brian Paul <brian@precisioninsight.com>
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#ifndef _XF86GLX_UTIL_H_
+#define _XF86GLX_UTIL_H_
+
+#ifdef __CYGWIN__
+#undef WIN32
+#undef _WIN32
+#endif
+
+#include <screenint.h>
+#include <pixmap.h>
+#include <gc.h>
+#include "GL/xmesa.h"
+
+#define XMESA_USE_PUTPIXEL_MACRO
+
+struct _XMesaImageRec {
+    int width, height;
+    char *data;
+    int bytes_per_line; /* Padded to 32 bits */
+    int bits_per_pixel;
+};
+
+extern XMesaImage *XMesaCreateImage(int bitsPerPixel, int width, int height,
+				    char *data);
+extern void XMesaDestroyImage(XMesaImage *image);
+extern unsigned long XMesaGetPixel(XMesaImage *image, int x, int y);
+#ifdef XMESA_USE_PUTPIXEL_MACRO
+#define XMesaPutPixel(__i,__x,__y,__p) \
+{ \
+    CARD8  *__row = (CARD8 *)(__i->data + __y*__i->bytes_per_line); \
+    CARD8  *__i8; \
+    CARD16 *__i16; \
+    CARD32 *__i32; \
+    switch (__i->bits_per_pixel) { \
+    case 8: \
+	__i8 = (CARD8 *)__row; \
+	__i8[__x] = (CARD8)__p; \
+	break; \
+    case 15: \
+    case 16: \
+	__i16 = (CARD16 *)__row; \
+	__i16[__x] = (CARD16)__p; \
+	break; \
+    case 24: /* WARNING: architecture specific code */ \
+	__i8 = (CARD8 *)__row; \
+	__i8[__x*3]   = (CARD8)(__p); \
+	__i8[__x*3+1] = (CARD8)(__p>>8); \
+	__i8[__x*3+2] = (CARD8)(__p>>16); \
+	break; \
+    case 32: \
+	__i32 = (CARD32 *)__row; \
+	__i32[__x] = (CARD32)__p; \
+	break; \
+    } \
+}
+#else
+extern void XMesaPutPixel(XMesaImage *image, int x, int y,
+			  unsigned long pixel);
+#endif
+
+extern void XMesaPutImageHelper(ScreenPtr display,
+				DrawablePtr d, GCPtr gc,
+				XMesaImage *image,
+				int src_x, int src_y,
+				int dest_x, int dest_y,
+				unsigned int width, unsigned int height);
+
+#endif /* _XF86GLX_UTIL_H_ */