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-rw-r--r--src/mesa/drivers/x11/xm_image.c149
-rw-r--r--src/mesa/drivers/x11/xm_image.h105
2 files changed, 254 insertions, 0 deletions
diff --git a/src/mesa/drivers/x11/xm_image.c b/src/mesa/drivers/x11/xm_image.c
new file mode 100644
index 0000000000..6af773f538
--- /dev/null
+++ b/src/mesa/drivers/x11/xm_image.c
@@ -0,0 +1,149 @@
+/**************************************************************************
+
+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
+
+#include <stdlib.h>
+
+#include "xf86glx_util.h"
+#include <X11/Xmd.h>
+
+#ifdef ROUNDUP
+#undef ROUNDUP
+#endif
+
+#define ROUNDUP(nbytes, pad) ((((nbytes) + ((pad)-1)) / (pad)) * ((pad)>>3))
+
+XMesaImage *XMesaCreateImage(int bitsPerPixel, int width, int height, char *data)
+{
+ XMesaImage *image;
+
+ image = (XMesaImage *)xalloc(sizeof(XMesaImage));
+
+ if (image) {
+ image->width = width;
+ image->height = height;
+ image->data = data;
+ /* Always pad to 32 bits */
+ image->bytes_per_line = ROUNDUP((bitsPerPixel * width), 32);
+ image->bits_per_pixel = bitsPerPixel;
+ }
+
+ return image;
+}
+
+void XMesaDestroyImage(XMesaImage *image)
+{
+ if (image->data)
+ free(image->data);
+ xfree(image);
+}
+
+unsigned long XMesaGetPixel(XMesaImage *image, int x, int y)
+{
+ CARD8 *row = (CARD8 *)(image->data + y*image->bytes_per_line);
+ CARD8 *i8;
+ CARD16 *i16;
+ CARD32 *i32;
+ switch (image->bits_per_pixel) {
+ case 8:
+ i8 = (CARD8 *)row;
+ return i8[x];
+ break;
+ case 15:
+ case 16:
+ i16 = (CARD16 *)row;
+ return i16[x];
+ break;
+ case 24: /* WARNING: architecture specific code */
+ i8 = (CARD8 *)row;
+ return (((CARD32)i8[x*3]) |
+ (((CARD32)i8[x*3+1])<<8) |
+ (((CARD32)i8[x*3+2])<<16));
+ break;
+ case 32:
+ i32 = (CARD32 *)row;
+ return i32[x];
+ break;
+ }
+ return 0;
+}
+
+#ifndef XMESA_USE_PUTPIXEL_MACRO
+void XMesaPutPixel(XMesaImage *image, int x, int y, unsigned long pixel)
+{
+ CARD8 *row = (CARD8 *)(image->data + y*image->bytes_per_line);
+ CARD8 *i8;
+ CARD16 *i16;
+ CARD32 *i32;
+ switch (image->bits_per_pixel) {
+ case 8:
+ i8 = (CARD8 *)row;
+ i8[x] = (CARD8)pixel;
+ break;
+ case 15:
+ case 16:
+ i16 = (CARD16 *)row;
+ i16[x] = (CARD16)pixel;
+ 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);
+ case 32:
+ i32 = (CARD32 *)row;
+ i32[x] = (CARD32)pixel;
+ break;
+ }
+}
+#endif
+
+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)
+{
+ /* NOT_DONE: Verify that the following works for all depths */
+ char *src = (image->data +
+ src_y * image->bytes_per_line +
+ ((src_x * image->bits_per_pixel) >> 3));
+
+ ValidateGC(d, gc);
+ (*gc->ops->PutImage)(d, gc, d->depth, dest_x, dest_y, width, height,
+ 0, ZPixmap, src);
+}
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_ */
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