--- /dev/null
+# GGIMesa genkgi helper configuration
+.root: @ggi_libdir@/ggi/mesa/default/
+
+tgt-fbdev-kgicon-savage4-mesa kgi/savage4.so
--- /dev/null
+/* $Id: genkgi.h,v 1.1 1999/08/21 05:59:29 jtaylor Exp $
+******************************************************************************
+
+ GGIMesa - KGIcon specific overrides for fbcon-mesa
+ API header
+
+ Copyright (C) 1999 Creative Labs
+
+ 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, sublicense,
+ 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ THE AUTHOR(S) 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.
+
+******************************************************************************
+*/
+
+
+#include <ggi/internal/ggi-dl.h>
+#include <ggi/mesa/display/fbdev.h>
+
+//ggifunc_setmode GGIMesa_genkgi_setmode;
+ggifunc_getapi GGIMesa_genkgi_getapi;
+
+typedef struct genkgi_hook_mesa
+{
+ char accel[100];
+ int have_accel;
+ void *accelpriv;
+} genkgi_hook_mesa;
+
+#define GENKGI_PRIVATE(vis) ((genkgi_hook_mesa *)FBDEV_PRIV_MESA(vis)->accelpriv)
--- /dev/null
+/* $Id: genkgi_mode.c,v 1.1 1999/08/21 05:59:29 jtaylor Exp $
+******************************************************************************
+
+ display-fbdev-kgicon-generic-mesa
+
+ Copyright (C) 1999 Creative Labs
+
+ 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, sublicense,
+ 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ THE AUTHOR(S) 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.
+
+******************************************************************************
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+
+//#include <linux/fb.h>
+
+#include <ggi/internal/ggi-dl.h>
+#include <ggi/mesa/ggimesa_int.h>
+#include "genkgi.h"
+
+int GGIMesa_genkgi_getapi(ggi_visual *vis, int num, char *apiname, char *arguments)
+{
+ genkgi_hook_mesa *priv = GENKGI_PRIVATE(vis);
+
+ gl_ggiDEBUG("Entered mesa_genkgi_getapi, num=%d\n", num);
+
+ strcpy(arguments, "");
+
+ switch(num)
+ {
+ case 0:
+ if (priv->have_accel)
+ {
+ strcpy(apiname, priv->accel);
+ return 0;
+ }
+ break;
+ }
+ return -1;
+}
--- /dev/null
+/* $Id: genkgi_visual.c,v 1.1 1999/08/21 05:59:29 jtaylor Exp $
+******************************************************************************
+
+ display-fbdev-mesa-generic-kgi: visual handling
+
+ Copyright (C) 1998 Andrew Apted [andrew@ggi-project.org]
+ Copyright (C) 1999 Marcus Sundberg [marcus@ggi-project.org]
+ Copyright (C) 1999 Creative Labs
+
+ 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, sublicense,
+ 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ THE AUTHOR(S) 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.
+
+******************************************************************************
+*/
+
+#include <ggi/internal/ggi-dl.h>
+#include <ggi/mesa/ggimesa_int.h>
+#include <ggi/mesa/display/fbdev.h>
+#include "genkgi.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+
+#ifdef HAVE_SYS_VT_H
+#include <sys/vt.h>
+#else
+#include <linux/vt.h>
+#endif
+#ifdef HAVE_LINUX_KDEV_T_H
+#include <linux/kdev_t.h>
+#endif
+#include <linux/tty.h>
+
+
+static int refcount = 0;
+static int vtnum;
+static void *_ggi_fbdev_lock = NULL;
+#ifdef FBIOGET_CON2FBMAP
+static struct fb_con2fbmap origconmap;
+#endif
+
+#define MAX_DEV_LEN 63
+#define DEFAULT_FBNUM 0
+
+static char accel_prefix[] = "tgt-fbdev-kgicon-";
+#define PREFIX_LEN (sizeof(accel_prefix))
+
+typedef struct {
+ int async;
+ char *str;
+} accel_info;
+
+static accel_info accel_strings[] =
+{
+ { 0, "savage4" }, /* S3 Savage4 */
+};
+
+#define NUM_ACCELS (sizeof(accel_strings)/sizeof(accel_info))
+
+/* FIXME: These should be defined in the makefile system */
+#define CONF_FILE "/usr/local/etc/ggi/mesa/targets/genkgi.conf"
+void *_configHandle;
+char confstub[512] = CONF_FILE;
+char *conffile = confstub;
+
+static int changed(ggi_visual_t vis, int whatchanged)
+{
+ gl_ggiDEBUG("Entered ggimesa_genkgi_changed\n");
+ switch (whatchanged)
+ {
+ case GGI_CHG_APILIST:
+ {
+ char api[256];
+ char args[256];
+ int i;
+ const char *fname;
+ ggi_dlhandle *lib;
+
+ for (i = 0; ggiGetAPI(vis, i, api, args) == 0; i++)
+ {
+ strcat(api, "-mesa");
+ gl_ggiDEBUG("ggimesa_genkgi_changed: api=%s, i=%d\n", api, i);
+ fname = ggMatchConfig(_configHandle, api, NULL);
+ if (fname == NULL)
+ {
+ /* No special implementation for this sublib */
+ continue;
+ }
+
+ lib = ggiExtensionLoadDL(vis, fname, args, NULL);
+ }
+ }
+ break;
+ }
+ return 0;
+}
+
+int GGIdlinit(ggi_visual *vis, const char *args, void *argptr)
+{
+ genkgi_hook_mesa *priv;
+ char libname[256], libargs[256];
+ int id, err;
+ struct stat junk;
+ ggifunc_getapi *oldgetapi;
+
+ gl_ggiDEBUG("display-fbdev-kgicon-mesa: GGIdlinit start\n");
+
+ GENKGI_PRIVATE(vis) = priv = malloc(sizeof(genkgi_hook_mesa));
+ if (priv == NULL)
+ {
+ fprintf(stderr, "Failed to allocate genkgi_hook!\n");
+ return GGI_DL_ERROR;
+ }
+
+ err = ggLoadConfig(conffile, &_configHandle);
+ if (err != GGI_OK)
+ {
+ gl_ggiPrint("display-fbdev: Couldn't open %s\n", conffile);
+ return err;
+ }
+
+ /* Hack city here. We need to probe the KGI driver properly to discover
+ * the acceleration type.
+ */
+ priv->have_accel = 0;
+#if 1
+ if (stat("/proc/savage4", &junk) == 0)
+ {
+ sprintf(priv->accel, "%s%s", accel_prefix, "savage4");
+ priv->have_accel = 1;
+ gl_ggiDEBUG("display-fbdev-kgicon-mesa: Using accel: \"%s\"\n", priv->accel);
+ }
+
+#endif
+ /* Mode management */
+ vis->opdisplay->getapi = GGIMesa_genkgi_getapi;
+
+ ggiIndicateChange(vis, GGI_CHG_APILIST);
+
+
+ /* Give the accel sublibs a chance to set up a driver */
+ if (priv->have_accel == 1)
+ {
+ oldgetapi = vis->opdisplay->getapi;
+ vis->opdisplay->getapi = GGIMesa_genkgi_getapi;
+ changed(vis, GGI_CHG_APILIST);
+ /* If the accel sublibs didn't produce, back up
+ * and keep looking */
+ if ((LIBGGI_MESAEXT(vis)->update_state == NULL) ||
+ (LIBGGI_MESAEXT(vis)->setup_driver == NULL))
+ vis->opdisplay->getapi = oldgetapi;
+ }
+
+ gl_ggiDEBUG("display-fbdev-kgicon-mesa: GGIdlinit finished\n");
+
+ return 0;
+}
+
+int GGIdlcleanup(ggi_visual *vis)
+{
+ return 0;
+}
+
+#include <ggi/internal/ggidlinit.h>
--- /dev/null
+/* GGI-Driver for MESA
+ *
+ * Copyright (C) 1997 Uwe Maurer
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * ---------------------------------------------------------------------
+ * This code was derived from the following source of information:
+ *
+ * svgamesa.c and ddsample.c by Brian Paul
+ *
+ */
+
+#include <ggi/mesa/ggimesa.h>
+#include <ggi/mesa/ggimesa_int.h>
+
+#define RMASK ((1<<R)-1)
+#define GMASK ((1<<G)-1)
+#define BMASK ((1<<B)-1)
+
+#define RS (8-R)
+#define GS (8-G)
+#define BS (8-B)
+
+
+/**********************************************************************/
+/***** Write spans of pixels *****/
+/**********************************************************************/
+
+void GGIwrite_ci32_span(const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ const GLuint ci[],
+ const GLubyte mask[])
+{
+ FB_TYPE *fb=LFB(FB_TYPE,x,FLIP(y));
+ if (mask)
+ {
+ while (n--) {
+ if (*mask++) *fb=*ci;
+ fb++;
+ ci++;
+ }
+ }
+ else
+ {
+ while (n--) *fb++ = *ci++;
+ }
+}
+
+void GGIwrite_ci8_span(const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ const GLubyte ci[],
+ const GLubyte mask[] )
+{
+ FB_TYPE *fb=LFB(FB_TYPE,x,FLIP(y));
+
+ if (mask)
+ {
+ while (n--) {
+ if (*mask++) *fb=*ci;
+ fb++;
+ ci++;
+ }
+ }
+ else
+ {
+ while (n--) *fb++ = *ci++;
+ }
+}
+
+
+void GGIwrite_rgba_span(const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ const GLubyte rgba[][4],
+ const GLubyte mask[])
+{
+ FB_TYPE *fb=LFB(FB_TYPE,x,FLIP(y));
+
+ if (mask)
+ {
+ while (n--) {
+ if (*mask++) {
+ *fb= ((rgba[0][RCOMP]>>RS) << (G+B)) |
+ ((rgba[0][GCOMP]>>GS) << B) |
+ ((rgba[0][BCOMP]>>BS));
+ }
+ fb++;
+ rgba++;
+ }
+ }
+ else
+ {
+ while (n--) {
+ *fb++= ((rgba[0][RCOMP]>>RS) << (G+B)) |
+ ((rgba[0][GCOMP]>>GS) << B)|
+ ((rgba[0][BCOMP]>>BS));
+ rgba++;
+ }
+ }
+}
+
+void GGIwrite_rgb_span( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ const GLubyte rgba[][3],
+ const GLubyte mask[] )
+{
+ FB_TYPE *fb=LFB(FB_TYPE,x,FLIP(y));
+ if (mask)
+ {
+ while (n--) {
+ if (*mask++) {
+ *fb= ((rgba[0][RCOMP]>>RS) << (G+B)) |
+ ((rgba[0][GCOMP]>>GS) << B) |
+ ((rgba[0][BCOMP]>>BS));
+ }
+ fb++;
+ rgba++;
+ }
+ }
+ else
+ {
+ while (n--) {
+ *fb++= ((rgba[0][RCOMP]>>RS) << (G+B)) |
+ ((rgba[0][GCOMP]>>GS) << B) |
+ ((rgba[0][BCOMP]>>BS));
+ rgba++;
+ }
+ }
+}
+
+
+void GGIwrite_mono_span( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ const GLubyte mask[])
+{
+ FB_TYPE *fb;
+ FB_TYPE color;
+
+ if (mask)
+ {
+ fb=LFB(FB_TYPE,x,FLIP(y));
+ color=(FB_TYPE) GGICTX->color;
+
+ while (n--)
+ {
+ if (*mask++) *fb=color;
+ fb++;
+ }
+ }
+ else
+ {
+ ggiDrawHLine(VIS,x,FLIP(y),n);
+ }
+}
+
+
+/**********************************************************************/
+/***** Read spans of pixels *****/
+/**********************************************************************/
+
+
+void GGIread_ci32_span(const GLcontext *ctx,
+ GLuint n, GLint x, GLint y, GLuint ci[])
+{
+ FB_TYPE *fb=LFB(FB_TYPE,x,FLIP(y));
+ while (n--)
+ *ci++=(GLuint)*fb++;
+}
+
+void GGIread_rgba_span(const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ GLubyte rgba[][4])
+{
+ FB_TYPE *fb=LFB(FB_TYPE,x,FLIP(y));
+ FB_TYPE color;
+
+ while (n--)
+ {
+ color=*fb++;
+ rgba[0][RCOMP] = (GLubyte) (color>>(G+B))<<RS;
+ rgba[0][GCOMP] = (GLubyte) ((color>>B)& ((1<<G)-1))<<GS;
+ rgba[0][BCOMP] = (GLubyte) (color & ((1<<B)-1))<<BS;
+ rgba[0][ACOMP] =0;
+ rgba++;
+ }
+}
+
+/**********************************************************************/
+/***** Write arrays of pixels *****/
+/**********************************************************************/
+
+void GGIwrite_ci32_pixels(const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ const GLuint ci[], const GLubyte mask[] )
+{
+ FB_TYPE *fb=LFB(FB_TYPE,0,0);
+
+ while (n--) {
+ if (*mask++) *(fb+ *x + FLIP(*y)*GGICTX->width)=*ci;
+ ci++;
+ x++;
+ y++;
+ }
+}
+
+void GGIwrite_mono_pixels(const GLcontext *ctx,
+ GLuint n,
+ const GLint x[], const GLint y[],
+ const GLubyte mask[] )
+{
+ FB_TYPE *fb=LFB(FB_TYPE,0,0);
+ FB_TYPE color=(FB_TYPE) GGICTX->color;
+
+ while (n--) {
+ if (*mask++) *(fb+ *x + FLIP(*y)*GGICTX->width)=color;
+ x++;
+ y++;
+ }
+}
+
+void GGIwrite_rgba_pixels(const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ const GLubyte rgba[][4],
+ const GLubyte mask[] )
+{
+ FB_TYPE *fb=LFB(FB_TYPE,0,0);
+ FB_TYPE color;
+
+ while (n--) {
+ if (*mask++) {
+ color= ((rgba[0][RCOMP]>>RS) << (G+B)) |
+ ((rgba[0][GCOMP]>>GS) << B) |
+ ((rgba[0][BCOMP]>>BS));
+ *(fb+ *x + FLIP(*y)*GGICTX->width)=color;
+ }
+ x++;y++;
+ rgba++;
+ }
+}
+
+
+/**********************************************************************/
+/***** Read arrays of pixels *****/
+/**********************************************************************/
+
+void GGIread_ci32_pixels(const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ GLuint ci[], const GLubyte mask[])
+{
+ FB_TYPE *fb=LFB(FB_TYPE,0,0);
+
+ while (n--) {
+ if (*mask++)
+ *ci=*(fb+ *x + FLIP(*y)*GGICTX->width);
+ ci++;
+ x++;
+ y++;
+ }
+}
+
+void GGIread_rgba_pixels(const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ GLubyte rgba[][4],
+ const GLubyte mask[] )
+{
+ FB_TYPE *fb=LFB(FB_TYPE,0,0);
+ FB_TYPE color;
+
+ while (n--)
+ {
+ if (*mask++)
+ {
+ color=*(fb+ *x + FLIP(*y)*GGICTX->width);
+ rgba[0][RCOMP] =(GLubyte)(color>>(G+B))<<RS;
+ rgba[0][GCOMP] =(GLubyte)((color>>B)& ((1<<G)-1))<<GS;
+ rgba[0][BCOMP] =(GLubyte) (color & ((1<<B)-1))<<BS;
+ rgba[0][ACOMP] =0;
+ }
+ x++; y++;
+ rgba++;
+ }
+}
+
+int GGIsetup_driver(GGIMesaContext ggictx,struct ggi_mesa_info *info)
+{
+ GLcontext *ctx=ggictx->gl_ctx;
+
+ ctx->Driver.WriteRGBASpan = GGIwrite_rgba_span;
+ ctx->Driver.WriteRGBSpan = GGIwrite_rgb_span;
+ ctx->Driver.WriteMonoRGBASpan = GGIwrite_mono_span;
+ ctx->Driver.WriteRGBAPixels = GGIwrite_rgba_pixels;
+ ctx->Driver.WriteMonoRGBAPixels = GGIwrite_mono_pixels;
+
+ ctx->Driver.WriteCI32Span = GGIwrite_ci32_span;
+ ctx->Driver.WriteCI8Span = GGIwrite_ci8_span;
+ ctx->Driver.WriteMonoCISpan = GGIwrite_mono_span;
+ ctx->Driver.WriteCI32Pixels = GGIwrite_ci32_pixels;
+ ctx->Driver.WriteMonoCIPixels = GGIwrite_mono_pixels;
+
+ ctx->Driver.ReadCI32Span = GGIread_ci32_span;
+ ctx->Driver.ReadRGBASpan = GGIread_rgba_span;
+ ctx->Driver.ReadCI32Pixels = GGIread_ci32_pixels;
+ ctx->Driver.ReadRGBAPixels = GGIread_rgba_pixels;
+
+ info->red_bits=R;
+ info->green_bits=G;
+ info->blue_bits=B;
+
+ return 0;
+}
+
+int GGIdlinit(ggi_visual_t vis,const char *version,void *argptr)
+{
+ LIBGGI_MESAEXT(vis)->setup_driver=GGIsetup_driver;
+
+ return 0;
+}
+
+int GGIdlcleanup(ggi_visual_t vis)
+{
+ return 0;
+}
--- /dev/null
+/* GGI-Driver for MESA
+ *
+ * Copyright (C) 1997 Uwe Maurer
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * ---------------------------------------------------------------------
+ * This code was derived from the following source of information:
+ *
+ * svgamesa.c and ddsample.c by Brian Paul
+ *
+ */
+
+#include <ggi/mesa/ggimesa.h>
+
+#define R 5
+#define G 5
+#define B 5
+
+#define FB_TYPE uint16
+#define FB_BITS 15
+
+#include "../common/linear.c"
+
--- /dev/null
+/* GGI-Driver for MESA
+ *
+ * Copyright (C) 1997 Uwe Maurer
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * ---------------------------------------------------------------------
+ * This code was derived from the following source of information:
+ *
+ * svgamesa.c and ddsample.c by Brian Paul
+ *
+ */
+
+#include <ggi/mesa/ggimesa.h>
+
+#define R 5
+#define G 6
+#define B 5
+
+#define FB_TYPE uint16
+#define FB_BITS 16
+
+#include "../common/linear.c"
+
--- /dev/null
+/* GGI-Driver for MESA
+ *
+ * Copyright (C) 1997 Uwe Maurer
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * ---------------------------------------------------------------------
+ * This code was derived from the following source of information:
+ *
+ * svgamesa.c and ddsample.c by Brian Paul
+ *
+ */
+
+#include <ggi/mesa/ggimesa.h>
+
+#define R 8
+#define G 8
+#define B 8
+
+#define FB_TYPE uint32
+#define FB_BITS 24
+
+#include "../common/linear.c"
+
--- /dev/null
+/* GGI-Driver for MESA
+ *
+ * Copyright (C) 1997 Uwe Maurer
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * ---------------------------------------------------------------------
+ * This code was derived from the following source of information:
+ *
+ * svgamesa.c and ddsample.c by Brian Paul
+ *
+ */
+
+#include <ggi/mesa/ggimesa.h>
+
+#define R 8
+#define G 8
+#define B 8
+
+#define FB_TYPE uint32
+#define FB_BITS 32
+
+#include "../common/linear.c"
+
--- /dev/null
+/* GGI-Driver for MESA
+ *
+ * Copyright (C) 1997 Uwe Maurer
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * ---------------------------------------------------------------------
+ * This code was derived from the following source of information:
+ *
+ * svgamesa.c and ddsample.c by Brian Paul
+ *
+ */
+
+#include <ggi/mesa/ggimesa.h>
+
+#define R 3
+#define G 3
+#define B 2
+
+#define FB_TYPE uint8
+#define FB_BITS 8
+
+#include "../common/linear.c"
+
--- /dev/null
+/* GGI-Driver for MESA
+ *
+ * Copyright (C) 1997 Uwe Maurer
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * ---------------------------------------------------------------------
+ * This code was derived from the following source of information:
+ *
+ * svgamesa.c and ddsample.c by Brian Paul
+ *
+ */
+
+#include <stdio.h>
+
+#include <ggi/internal/ggi-dl.h>
+#include <ggi/mesa/ggimesa_int.h>
+
+/**********************************************************************/
+/***** Write spans of pixels *****/
+/**********************************************************************/
+
+void GGIwrite_ci32_span(const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ const GLuint ci[],
+ const GLubyte mask[] )
+{
+ y=FLIP(y);
+ if (mask)
+ {
+ while (n--) {
+ if (*mask++) ggiPutPixel(VIS,x,y,*ci);
+ x++;
+ ci++;
+ }
+ }
+ else
+ {
+ while (n--) ggiPutPixel(VIS,x++,y,*ci++);
+ }
+}
+
+void GGIwrite_ci8_span(const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ const GLubyte ci[],
+ const GLubyte mask[] )
+{
+ y=FLIP(y);
+ if (mask)
+ {
+ while (n--) {
+ if (*mask++) ggiPutPixel(VIS,x,y,*ci);
+ x++;
+ ci++;
+ }
+ }
+ else
+ {
+ while (n--) ggiPutPixel(VIS,x++,y,*ci++);
+ }
+}
+
+void GGIwrite_mono_span( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ const GLubyte mask[] )
+{
+ y=FLIP(y);
+ if (mask)
+ {
+ while (n--) {
+ if (*mask++) ggiDrawPixel(VIS,x,y);
+ x++;
+ }
+ }
+ else
+ {
+ ggiDrawHLine(VIS,x,y,n);
+ }
+}
+
+void GGIwrite_rgba_span( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ const GLubyte rgba[][4],
+ const GLubyte mask[])
+{
+ ggi_color rgb;
+ ggi_pixel col;
+ y=FLIP(y);
+
+ if (mask)
+ {
+ while (n--) {
+ if (*mask++)
+ {
+ rgb.r=(uint16)(rgba[0][RCOMP]) << SHIFT;
+ rgb.g=(uint16)(rgba[0][GCOMP]) << SHIFT;
+ rgb.b=(uint16)(rgba[0][BCOMP]) << SHIFT;
+ col=ggiMapColor(VIS,&rgb);
+ ggiPutPixel(VIS,x,y,col);
+ }
+ x++;
+ rgba++;
+ }
+ }
+ else
+ {
+ while (n--)
+ {
+ rgb.r=(uint16)(rgba[0][RCOMP]) << SHIFT;
+ rgb.g=(uint16)(rgba[0][GCOMP]) << SHIFT;
+ rgb.b=(uint16)(rgba[0][BCOMP]) << SHIFT;
+ col=ggiMapColor(VIS,&rgb);
+ ggiPutPixel(VIS,x++,y,col);
+ rgba++;
+ }
+ }
+}
+void GGIwrite_rgb_span( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ const GLubyte rgba[][3],
+ const GLubyte mask[] )
+{
+ ggi_color rgb;
+ ggi_pixel col;
+ y=FLIP(y);
+
+ if (mask)
+ {
+ while (n--) {
+ if (*mask++)
+ {
+ rgb.r=(uint16)(rgba[0][RCOMP]) << SHIFT;
+ rgb.g=(uint16)(rgba[0][GCOMP]) << SHIFT;
+ rgb.b=(uint16)(rgba[0][BCOMP]) << SHIFT;
+ col=ggiMapColor(VIS,&rgb);
+ ggiPutPixel(VIS,x,y,col);
+ }
+ x++;
+ rgba++;
+ }
+ }
+ else
+ {
+ while (n--)
+ {
+ rgb.r=(uint16)(rgba[0][RCOMP]) << SHIFT;
+ rgb.g=(uint16)(rgba[0][GCOMP]) << SHIFT;
+ rgb.b=(uint16)(rgba[0][BCOMP]) << SHIFT;
+ col=ggiMapColor(VIS,&rgb);
+ ggiPutPixel(VIS,x++,y,col);
+ rgba++;
+ }
+ }
+}
+
+
+
+/**********************************************************************/
+/***** Read spans of pixels *****/
+/**********************************************************************/
+
+
+void GGIread_ci32_span( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y, GLuint ci[])
+{
+ y = FLIP(y);
+ while (n--)
+ ggiGetPixel(VIS, x++, y,ci++);
+}
+
+void GGIread_rgba_span( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ GLubyte rgba[][4])
+{
+ ggi_color rgb;
+ ggi_pixel col;
+
+ y=FLIP(y);
+
+ while (n--)
+ {
+ ggiGetPixel(VIS,x++,y,&col);
+ ggiUnmapPixel(VIS,col,&rgb);
+ rgba[0][RCOMP] = (GLubyte) (rgb.r >> SHIFT);
+ rgba[0][GCOMP] = (GLubyte) (rgb.g >> SHIFT);
+ rgba[0][BCOMP] = (GLubyte) (rgb.b >> SHIFT);
+ rgba[0][ACOMP] = 0;
+ rgba++;
+ }
+}
+
+/**********************************************************************/
+/***** Write arrays of pixels *****/
+/**********************************************************************/
+
+void GGIwrite_ci32_pixels( const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ const GLuint ci[], const GLubyte mask[] )
+{
+ while (n--) {
+ if (*mask++) ggiPutPixel(VIS,*x, FLIP(*y),*ci);
+ ci++;
+ x++;
+ y++;
+ }
+}
+
+void GGIwrite_mono_pixels( const GLcontext *ctx,
+ GLuint n,
+ const GLint x[], const GLint y[],
+ const GLubyte mask[] )
+{
+ while (n--) {
+ if (*mask++) ggiDrawPixel(VIS,*x,FLIP(*y));
+ x++;
+ y++;
+ }
+}
+
+void GGIwrite_rgba_pixels( const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ const GLubyte rgba[][4],
+ const GLubyte mask[] )
+{
+ ggi_pixel col;
+ ggi_color rgb;
+ while (n--) {
+ if (*mask++) {
+ rgb.r=(uint16)(rgba[0][RCOMP]) << SHIFT;
+ rgb.g=(uint16)(rgba[0][GCOMP]) << SHIFT;
+ rgb.b=(uint16)(rgba[0][BCOMP]) << SHIFT;
+ col=ggiMapColor(VIS,&rgb);
+ ggiPutPixel(VIS,*x,FLIP(*y),col);
+ }
+ x++;y++;
+ rgba++;
+ }
+}
+
+
+/**********************************************************************/
+/***** Read arrays of pixels *****/
+/**********************************************************************/
+
+void GGIread_ci32_pixels( const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ GLuint ci[], const GLubyte mask[])
+{
+ while (n--) {
+ if (*mask++)
+ ggiGetPixel(VIS, *x, FLIP(*y) ,ci);
+ ci++;
+ x++;
+ y++;
+ }
+}
+
+void GGIread_rgba_pixels( const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ GLubyte rgba[][4],
+ const GLubyte mask[] )
+{
+ ggi_color rgb;
+ ggi_pixel col;
+
+ while (n--)
+ {
+ if (*mask++)
+ {
+ ggiGetPixel(VIS,*x,FLIP(*y),&col);
+ ggiUnmapPixel(VIS,col,&rgb);
+ rgba[0][RCOMP]= rgb.r >> SHIFT;
+ rgba[0][GCOMP]= rgb.g >> SHIFT;
+ rgba[0][BCOMP]= rgb.b >> SHIFT;
+ rgba[0][ACOMP]=0;
+ }
+ x++; y++;
+ rgba++;
+ }
+}
+
+
+triangle_func ggiGetTriangleFunc(GLcontext *ctx);
+
+int GGIsetup_driver(GGIMesaContext ggictx,struct ggi_mesa_info *info)
+{
+ GLcontext *ctx=ggictx->gl_ctx;
+
+ ctx->Driver.WriteRGBASpan = GGIwrite_rgba_span;
+ ctx->Driver.WriteRGBSpan = GGIwrite_rgb_span;
+ ctx->Driver.WriteMonoRGBASpan = GGIwrite_mono_span;
+ ctx->Driver.WriteRGBAPixels = GGIwrite_rgba_pixels;
+ ctx->Driver.WriteMonoRGBAPixels = GGIwrite_mono_pixels;
+
+ ctx->Driver.WriteCI32Span = GGIwrite_ci32_span;
+ ctx->Driver.WriteCI8Span = GGIwrite_ci8_span;
+ ctx->Driver.WriteMonoCISpan = GGIwrite_mono_span;
+ ctx->Driver.WriteCI32Pixels = GGIwrite_ci32_pixels;
+ ctx->Driver.WriteMonoCIPixels = GGIwrite_mono_pixels;
+
+ ctx->Driver.ReadCI32Span = GGIread_ci32_span;
+ ctx->Driver.ReadRGBASpan = GGIread_rgba_span;
+ ctx->Driver.ReadCI32Pixels = GGIread_ci32_pixels;
+ ctx->Driver.ReadRGBAPixels = GGIread_rgba_pixels;
+
+ return 0;
+}
+
+void GGIupdate_state(GLcontext *ctx)
+{
+ ctx->Driver.TriangleFunc = ggiGetTriangleFunc(ctx);
+}
+
+
+void GGItriangle_flat(GLcontext *ctx,GLuint v0,GLuint v1,GLuint v2,GLuint pv)
+{
+#define SETUP_CODE \
+ GLubyte r = VB->ColorPtr->data[pv][0]; \
+ GLubyte g = VB->ColorPtr->data[pv][1]; \
+ GLubyte b = VB->ColorPtr->data[pv][2]; \
+ GLubyte a = VB->ColorPtr->data[pv][3]; \
+ (*ctx->Driver.Color)(ctx,r,g,b,a);
+
+#define INNER_LOOP(LEFT,RIGHT,Y) \
+ ggiDrawHLine(VIS,LEFT,FLIP(Y),RIGHT-LEFT);
+
+#include "tritemp.h"
+}
+
+
+void GGItriangle_flat_depth(GLcontext *ctx,GLuint v0,GLuint v1,
+ GLuint v2,GLuint pv)
+{
+#define INTERP_Z 1
+
+#define SETUP_CODE \
+ GLubyte r = VB->ColorPtr->data[pv][0]; \
+ GLubyte g = VB->ColorPtr->data[pv][1]; \
+ GLubyte b = VB->ColorPtr->data[pv][2]; \
+ GLubyte a = VB->ColorPtr->data[pv][3]; \
+ (*ctx->Driver.Color)(ctx,r,g,b,a);
+
+#define INNER_LOOP(LEFT,RIGHT,Y) \
+ { \
+ GLint i,xx=LEFT,yy=FLIP(Y),n=RIGHT-LEFT,length=0; \
+ GLint startx=xx; \
+ for (i=0;i<n;i++){ \
+ GLdepth z=FixedToDepth(ffz); \
+ if (z<zRow[i]) \
+ { \
+ zRow[i]=z; \
+ length++; \
+ } \
+ else \
+ { \
+ if (length) \
+ { \
+ ggiDrawHLine(VIS,startx,yy,length); \
+ length=0; \
+ } \
+ startx=xx+i+1; \
+ } \
+ ffz+=fdzdx; \
+ } \
+ if (length) ggiDrawHLine(VIS,startx,yy,length); \
+ }
+
+#include "tritemp.h"
+}
+
+
+triangle_func ggiGetTriangleFunc(GLcontext *ctx)
+{
+ if (ctx->Stencil.Enabled) return NULL;
+ if (ctx->Polygon.SmoothFlag) return NULL;
+ if (ctx->Polygon.StippleFlag) return NULL;
+ if (ctx->Texture.Enabled) return NULL;
+ if (ctx->Light.ShadeModel==GL_SMOOTH) return NULL;
+ if (ctx->Depth.Test && ctx->Depth.Func != GL_LESS) return NULL;
+
+ if (ctx->Depth.Test)
+ return GGItriangle_flat_depth;
+
+ return GGItriangle_flat;
+}
+
+int GGIdlinit(ggi_visual_t vis, const char *version, void *argptr)
+{
+ LIBGGI_MESAEXT(vis)->update_state = GGIupdate_state;
+ LIBGGI_MESAEXT(vis)->setup_driver = GGIsetup_driver;
+
+ return 0;
+}
+
+int GGIdlcleanup(ggi_visual_t vis)
+{
+ return 0;
+}
--- /dev/null
+# GGIMesa fbdev target configuration
+.root: @ggi_libdir@/ggi/mesa/default
+
+tgt-fbdev-kgicon-generic-mesa kgi/genkgi.so
+
+# .include /usr/local/etc/ggi/mesa/genkgi.conf
--- /dev/null
+/* $Id: fbdev_mode.c,v 1.1 1999/08/21 05:57:59 jtaylor Exp $
+******************************************************************************
+
+ display-fbdev-mesa
+
+ Copyright (C) 1999 Creative Labs
+
+ 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, sublicense,
+ 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ THE AUTHOR(S) 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.
+
+******************************************************************************
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+
+#include <linux/fb.h>
+
+#include <ggi/internal/ggi-dl.h>
+#include <ggi/mesa/ggimesa_int.h>
+#include <ggi/mesa/display/fbdev.h>
+
+#ifndef MAP_FAILED
+#define MAP_FAILED ((void*)-1)
+#endif
+
+#define FB_KLUDGE_FONTX 8
+#define FB_KLUDGE_FONTY 16
+#define FB_KLUDGE_TEXTMODE 13
+#define TIMINGFILE "/etc/fb.modes"
+
+int GGIMesa_fbdev_getapi(ggi_visual *vis, int num, char *apiname, char *arguments)
+{
+ fbdev_hook_mesa *priv = GGIMESA_PRIVATE(vis);
+
+ strcpy(arguments, "");
+
+ switch(num)
+ {
+ case 0:
+ if (priv->oldpriv->have_accel)
+ {
+ strcpy(apiname, priv->oldpriv->accel);
+ return 0;
+ }
+ break;
+ }
+
+ return -1;
+}
+
+static int do_setmode(ggi_visual *vis)
+{
+ fbdev_hook_mesa *priv = GGIMESA_PRIVATE(vis);
+ int err, id;
+ char libname[256], libargs[256];
+ ggi_graphtype gt;
+
+ _ggiZapMode(vis, ~GGI_DL_OPDISPLAY);
+ priv->have_accel = 0;
+ for (id = 1; GGIMesa_fbdev_getapi(vis, id, libname, libargs) == 0; id++)
+ {
+ if (_ggiOpenDL(vis, libname, libargs, NULL) == NULL)
+ {
+ fprintf(stderr, "display-fbdev-mesa: Error opening the "
+ "%s (%s) library.\n", libname, libargs);
+ return GGI_EFATAL;
+ }
+
+ gl_ggiDEBUG("Success in loading %s (%s)\n", libname, libargs);
+ }
+
+ if (priv->oldpriv->accel &&
+ _ggiOpenDL(vis, priv->accel, NULL, NULL) != NULL) {
+ priv->have_accel = 1;
+ }
+ else
+ {
+ priv->have_accel = 0;
+ }
+ vis->accelactive = 0;
+
+ ggiIndicateChange(vis, GGI_CHG_APILIST);
+
+ gl_ggiDEBUG("display-fbdev-mesa: do_setmode SUCCESS\n");
+
+ return 0;
+}
+
+
+int GGIMesa_fbdev_setmode(ggi_visual *vis, ggi_mode *mode)
+{
+ int err;
+
+ if ((err = ggiCheckMode(vis, mode)) != 0) {
+ return err;
+ }
+
+ gl_ggiDEBUG("display-fbdev-mesa: setmode %dx%d#%dx%dF%d[0x%02x]\n",
+ mode->visible.x, mode->visible.y,
+ mode->virt.x, mode->virt.y,
+ mode->frames, mode->graphtype);
+
+ memcpy(LIBGGI_MODE(vis), mode, sizeof(ggi_mode));
+
+ /* Now actually set the mode */
+ err = do_setmode(vis);
+ if (err != 0) {
+ return err;
+ }
+
+ gl_ggiDEBUG("display-fbdev-mesa: setmode success.\n");
+
+ return 0;
+}
--- /dev/null
+/* $Id: fbdev_visual.c,v 1.1 1999/08/21 05:57:59 jtaylor Exp $
+******************************************************************************
+
+ display-fbdev-mesa: visual handling
+
+ Copyright (C) 1998 Andrew Apted [andrew@ggi-project.org]
+ Copyright (C) 1999 Marcus Sundberg [marcus@ggi-project.org]
+ Copyright (C) 1999 Creative Labs
+
+ 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, sublicense,
+ 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ THE AUTHOR(S) 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.
+
+******************************************************************************
+*/
+
+#include <ggi/internal/ggi-dl.h>
+#include <ggi/mesa/ggimesa_int.h>
+#include <ggi/mesa/display/fbdev.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+
+#ifdef HAVE_SYS_VT_H
+#include <sys/vt.h>
+#else
+#include <linux/vt.h>
+#endif
+#ifdef HAVE_LINUX_KDEV_T_H
+#include <linux/kdev_t.h>
+#endif
+#include <linux/tty.h>
+
+#define MAX_DEV_LEN 63
+#define DEFAULT_FBNUM 0
+
+static char accel_prefix[] = "tgt-fbdev-";
+#define PREFIX_LEN (sizeof(accel_prefix))
+
+typedef struct {
+ int async;
+ char *str;
+} accel_info;
+
+static accel_info accel_strings[] = {
+ { 0, "kgicon-generic",}, /* no accel - check for KGIcon */
+ { 0, NULL }, /* Atari Blitter */
+};
+
+#define NUM_ACCELS (sizeof(accel_strings)/sizeof(accel_info))
+
+/* FIXME: These should really be defined in the make system */
+#define CONF_FILE "/usr/local/etc/ggi/mesa/targets/fbdev.conf"
+void *_configHandle;
+char confstub[512] = CONF_FILE;
+char *conffile = confstub;
+
+static int changed(ggi_visual_t vis, int whatchanged)
+{
+ gl_ggiDEBUG("Entered ggimesa_fbdev_changed\n");
+ switch (whatchanged)
+ {
+ case GGI_CHG_APILIST:
+ {
+ char api[256];
+ char args[256];
+ int i;
+ const char *fname;
+ ggi_dlhandle *lib;
+
+ for (i = 0; ggiGetAPI(vis, i, api, args) == 0; i++)
+ {
+ strcat(api, "-mesa");
+ gl_ggiDEBUG("ggimesa_fbdev_changed: api=%s, i=%d\n", api, i);
+ fname = ggMatchConfig(_configHandle, api, NULL);
+ if (fname == NULL)
+ {
+ /* No special implementation for this sublib */
+ continue;
+ }
+
+ lib = ggiExtensionLoadDL(vis, fname, args, NULL);
+ }
+ }
+ break;
+ }
+ gl_ggiDEBUG("Leaving ggimesa_fbdev_changed\n");
+ return 0;
+}
+
+int GGIdlinit(ggi_visual *vis, const char *args, void *argptr)
+{
+ fbdev_hook_mesa *priv;
+ char libname[256], libargs[256];
+ int id, err;
+ ggifunc_getapi *oldgetapi;
+
+ gl_ggiDEBUG("display-fbdev-mesa: GGIdlinit start\n");
+
+ GGIMESA_PRIVATE(vis) = priv = malloc(sizeof(fbdev_hook_mesa));
+ if (priv == NULL) {
+ fprintf(stderr, "Failed to allocate fbdev_hook!\n");
+ return GGI_DL_ERROR;
+ }
+
+ priv->oldpriv = LIBGGI_PRIVATE(vis); // Hook back
+
+ err = ggLoadConfig(conffile, &_configHandle);
+ if (err != GGI_OK)
+ {
+ gl_ggiPrint("display-fbdev: Couldn't open %s\n", conffile);
+ return err;
+ }
+
+ LIBGGI_MESAEXT(vis)->update_state = NULL;
+ LIBGGI_MESAEXT(vis)->setup_driver = NULL;
+
+ oldgetapi = vis->opdisplay->getapi;
+ vis->opdisplay->getapi = GGIMesa_fbdev_getapi;
+ changed(vis, GGI_CHG_APILIST);
+ /* If the accel sublibs didn't sucessfuly hook a driver,
+ * back up and keep looking */
+ if ((LIBGGI_MESAEXT(vis)->update_state == NULL) ||
+ (LIBGGI_MESAEXT(vis)->setup_driver == NULL))
+ {
+ vis->opdisplay->getapi = oldgetapi;
+ }
+
+ gl_ggiDEBUG("display-fbdev-mesa: GGIdlinit done\n");
+ return 0;
+}
+
+int GGIdlcleanup(ggi_visual *vis)
+{
+ return 0;
+}
+
+#include <ggi/internal/ggidlinit.h>
--- /dev/null
+/* Nothing here yet */
--- /dev/null
+#ifndef _GGIMESA_DISPLAY_FBDEV_H
+#define _GGIMESA_DISPLAY_FBDEV_H
+
+#include <ggi/internal/ggi-dl.h>
+#include <ggi/display/fbdev.h>
+
+ggifunc_setmode GGIMesa_fbdev_setmode;
+ggifunc_getapi GGIMesa_fbdev_getapi;
+
+#define FBDEV_PRIV_MESA(vis) ((fbdev_hook_mesa *)(FBDEV_PRIV(vis)->accelpriv))
+
+typedef struct fbdev_hook_mesa
+{
+ char *accel;
+ int have_accel;
+ void *accelpriv;
+ fbdev_hook *oldpriv; // Hooks back to the LibGGI fbdev target's private data
+} fbdev_hook_mesa;
+
+#endif /* _GGIMESA_DISPLAY_FBDEV_H */
--- /dev/null
+/* GGI-Driver for MESA
+ *
+ * Copyright (C) 1997 Uwe Maurer
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * ---------------------------------------------------------------------
+ * This code was derived from the following source of information:
+ *
+ * svgamesa.c and ddsample.c by Brian Paul
+ *
+ */
+
+#ifndef _GGIMESA_H
+#define _GGIMESA_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include "config.h"
+#include "context.h"
+#include "matrix.h"
+#include "types.h"
+#include "vb.h"
+#include "macros.h"
+#include "depth.h"
+
+#undef ASSERT /* ASSERT is redefined */
+
+#include <ggi/internal/internal.h>
+#include <ggi/ggi_ext.h>
+#include <ggi/ggi.h>
+#include "GL/ggimesa.h"
+
+struct ggi_mesa_info;
+
+struct ggi_mesa_context
+{
+ GLcontext *gl_ctx;
+ GLvisual *gl_vis;
+ GLframebuffer *gl_buffer;
+
+ ggi_visual_t ggi_vis;
+ ggi_coord origin;
+ int flip_y;
+ int width, height, stride; /* Stride is in pixels */
+ ggi_pixel color; /* Current color or index*/
+ ggi_pixel clearcolor;
+ void *lfb; /* Linear frame buffer*/
+ int viewport_init;
+};
+
+struct ggi_mesa_info
+{
+ GLboolean rgb_flag;
+ GLboolean db_flag;
+ GLboolean alpha_flag;
+ GLint index_bits;
+ GLint red_bits, green_bits, blue_bits, alpha_bits;
+ GLint depth_bits, stencil_bits, accum_bits;
+};
+
+extern GGIMesaContext GGIMesa; /* The current context */
+
+#define SHIFT (GGI_COLOR_PRECISION - 8)
+
+#define GGICTX ((GGIMesaContext)ctx->DriverCtx)
+#define VIS (GGICTX->ggi_vis)
+#define FLIP(y) (GGICTX->flip_y-(y))
+
+#define LFB(type,x,y) ((type *)GGICTX->lfb + (x) + (y) * GGICTX->stride)
+
+#define CTX_OPMESA(ctx) \
+((struct mesa_ext *)LIBGGI_EXT(((GGIMesaContext)ctx->DriverCtx)->ggi_vis, \
+ ggiMesaID))
+
+
+#endif
+
--- /dev/null
+#ifndef _GGI_MESA_INT_H
+#define _GGI_MESA_INT_H
+
+#include <ggi/internal/internal.h>
+#include "ggimesa.h"
+
+extern ggi_extid ggiMesaID;
+
+ggifunc_setmode GGIMesa_setmode;
+ggifunc_getapi GGIMesa_getapi;
+
+typedef struct mesa_ext
+{
+ void (*update_state)(GLcontext *ctx);
+ int (*setup_driver)(GGIMesaContext ctx, struct ggi_mesa_info *info);
+ void *private;
+} mesaext;
+
+#define LIBGGI_MESAEXT(vis) ((mesaext *)LIBGGI_EXT(vis,ggiMesaID))
+#define GGIMESA_PRIVATE(vis) ((LIBGGI_MESAEXT(vis)->private))
+
+#endif /* _GGI_MISC_INT_H */
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