+++ /dev/null
-/*
- * Mesa 3-D graphics library
- * Version: 4.0
- * Copyright (C) 1995-2001 Brian Paul
- *
- * 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.
- */
-
-
-/*
- * FXMesa - 3Dfx Glide driver for Mesa. Contributed by David Bucciarelli
- *
- * NOTE: This version requires Glide3 (http://sourceforge.net/projects/glide)
- */
-
-
-#ifndef FXMESA_H
-#define FXMESA_H
-
-
-#include <glide.h>
-
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-
-#define FXMESA_MAJOR_VERSION 6
-#define FXMESA_MINOR_VERSION 3
-
-
-/*
- * Values for attribList parameter to fxMesaCreateContext():
- */
-#define FXMESA_NONE 0 /* to terminate attribList */
-#define FXMESA_DOUBLEBUFFER 10
-#define FXMESA_ALPHA_SIZE 11 /* followed by an integer */
-#define FXMESA_DEPTH_SIZE 12 /* followed by an integer */
-#define FXMESA_STENCIL_SIZE 13 /* followed by an integer */
-#define FXMESA_ACCUM_SIZE 14 /* followed by an integer */
-#define FXMESA_COLORDEPTH 20 /* followed by an integer */
-#define FXMESA_SHARE_CONTEXT 990099 /* keep in sync with xmesa1.c! */
-
-
-
-typedef struct tfxMesaContext *fxMesaContext;
-
-
-GLAPI fxMesaContext GLAPIENTRY fxMesaCreateContext(GLuint win, GrScreenResolution_t,
- GrScreenRefresh_t,
- const GLint attribList[]);
-
-GLAPI fxMesaContext GLAPIENTRY fxMesaCreateBestContext(GLuint win,
- GLint width, GLint height,
- const GLint attribList[]);
-GLAPI void GLAPIENTRY fxMesaDestroyContext(fxMesaContext ctx);
-
-GLAPI GLint GLAPIENTRY fxMesaSelectCurrentBoard(int n);
-
-GLAPI void GLAPIENTRY fxMesaMakeCurrent(fxMesaContext ctx);
-
-GLAPI fxMesaContext GLAPIENTRY fxMesaGetCurrentContext(void);
-
-GLAPI void GLAPIENTRY fxMesaSwapBuffers(void);
-
-GLAPI void GLAPIENTRY fxMesaSetNearFar(GLfloat nearVal, GLfloat farVal);
-
-GLAPI void GLAPIENTRY fxMesaUpdateScreenSize(fxMesaContext ctx);
-
-GLAPI void GLAPIENTRY fxCloseHardware(void);
-
-GLAPI void GLAPIENTRY fxGetScreenGeometry (GLint *w, GLint *h);
-
-#ifdef __cplusplus
-}
-#endif
-
-
-#endif
+++ /dev/null
-/*
- * Mesa 3-D graphics library
- * Version: 6.5
- *
- * Copyright (C) 1999-2006 Brian Paul 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, 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
- * BRIAN PAUL 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 "glxheader.h"
-#include "xmesaP.h"
-
-#ifdef FX
-#include "../glide/fxdrv.h"
-
-void
-FXcreateContext(XMesaVisual v, XMesaWindow w, XMesaContext c, XMesaBuffer b)
-{
- char *fxEnvVar = _mesa_getenv("MESA_GLX_FX");
- if (fxEnvVar) {
- if (fxEnvVar[0]!='d') {
- int attribs[100];
- int numAttribs = 0;
- int hw;
- if (v->mesa_visual.depthBits > 0) {
- attribs[numAttribs++] = FXMESA_DEPTH_SIZE;
- attribs[numAttribs++] = v->mesa_visual.depthBits;
- }
- if (v->mesa_visual.doubleBufferMode) {
- attribs[numAttribs++] = FXMESA_DOUBLEBUFFER;
- }
- if (v->mesa_visual.accumRedBits > 0) {
- attribs[numAttribs++] = FXMESA_ACCUM_SIZE;
- attribs[numAttribs++] = v->mesa_visual.accumRedBits;
- }
- if (v->mesa_visual.stencilBits > 0) {
- attribs[numAttribs++] = FXMESA_STENCIL_SIZE;
- attribs[numAttribs++] = v->mesa_visual.stencilBits;
- }
- if (v->mesa_visual.alphaBits > 0) {
- attribs[numAttribs++] = FXMESA_ALPHA_SIZE;
- attribs[numAttribs++] = v->mesa_visual.alphaBits;
- }
- if (1) {
- attribs[numAttribs++] = FXMESA_SHARE_CONTEXT;
- attribs[numAttribs++] = (int) &(c->mesa);
- }
- attribs[numAttribs++] = FXMESA_NONE;
-
- /* [dBorca] we should take an envvar for `fxMesaSelectCurrentBoard'!!! */
-/* hw = fxMesaSelectCurrentBoard(0); */
- hw = GR_SSTTYPE_Voodoo2;
-
- /* if these fail, there's a new bug somewhere */
- ASSERT(b->mesa_buffer.Width > 0);
- ASSERT(b->mesa_buffer.Height > 0);
-
- if ((hw == GR_SSTTYPE_VOODOO) || (hw == GR_SSTTYPE_Voodoo2)) {
- b->FXctx = fxMesaCreateBestContext(0, b->mesa_buffer.Width,
- b->mesa_buffer.Height, attribs);
- if ((v->undithered_pf!=PF_Index) && (b->backxrb->ximage)) {
- b->FXisHackUsable = b->FXctx ? GL_TRUE : GL_FALSE;
- if (b->FXctx && (fxEnvVar[0]=='w' || fxEnvVar[0]=='W')) {
- b->FXwindowHack = GL_TRUE;
- FX_grSstControl(GR_CONTROL_DEACTIVATE);
- }
- else {
- b->FXwindowHack = GL_FALSE;
- }
- }
- }
- else {
- if (fxEnvVar[0]=='w' || fxEnvVar[0]=='W')
- b->FXctx = fxMesaCreateContext(w, GR_RESOLUTION_NONE,
- GR_REFRESH_75Hz, attribs);
- else
- b->FXctx = fxMesaCreateBestContext(0, b->mesa_buffer.Width,
- b->mesa_buffer.Height, attribs);
- b->FXisHackUsable = GL_FALSE;
- b->FXwindowHack = GL_FALSE;
- }
- /*
- fprintf(stderr,
- "voodoo %d, wid %d height %d hack: usable %d active %d\n",
- hw, b->mesa_buffer.Width, b->mesa_buffer.Height,
- b->FXisHackUsable, b->FXwindowHack);
- */
- }
- }
- else {
- _mesa_warning(NULL, "WARNING: This Mesa Library includes the Glide driver but\n");
- _mesa_warning(NULL, " you have not defined the MESA_GLX_FX env. var.\n");
- _mesa_warning(NULL, " (check the README.3DFX file for more information).\n\n");
- _mesa_warning(NULL, " you can disable this message with a 'export MESA_GLX_FX=disable'.\n");
- }
-}
-
-
-void FXdestroyContext( XMesaBuffer b )
-{
- if (b && b->FXctx)
- fxMesaDestroyContext(b->FXctx);
-}
-
-
-GLboolean FXmakeCurrent( XMesaBuffer b )
-{
- if (b->FXctx) {
- fxMesaMakeCurrent(b->FXctx);
-
- return GL_TRUE;
- }
- return GL_FALSE;
-}
-
-
-/*
- * Read image from VooDoo frame buffer into X/Mesa's back XImage.
- */
-static void FXgetImage( XMesaBuffer b )
-{
- GET_CURRENT_CONTEXT(ctx);
- static unsigned short pixbuf[MAX_WIDTH];
- GLuint x, y;
- GLuint width, height;
-
- xmesa_get_window_size(b->display, b, &width, &height);
- x = y = 0;
- if (b->mesa_buffer.Width != width || b->mesa_buffer.Height != height) {
- b->mesa_buffer.Width = MIN2((int)width, b->FXctx->width);
- b->mesa_buffer.Height = MIN2((int)height, b->FXctx->height);
- if (b->mesa_buffer.Width & 1)
- b->mesa_buffer.Width--; /* prevent odd width */
- }
-
- /* [dBorca] we're always in the right GR_COLORFORMAT... aren't we? */
- /* grLfbWriteColorFormat(GR_COLORFORMAT_ARGB); */
- if (b->xm_visual->undithered_pf==PF_5R6G5B) {
- /* Special case: 16bpp RGB */
- grLfbReadRegion( GR_BUFFER_FRONTBUFFER, /* src buffer */
- 0, b->FXctx->height - b->mesa_buffer.Height, /*pos*/
- b->mesa_buffer.Width, b->mesa_buffer.Height, /* size */
- b->mesa_buffer.Width * sizeof(GLushort), /* stride */
- b->backxrb->ximage->data); /* dest buffer */
- }
- else if (b->xm_visual->dithered_pf==PF_Dither
- && GET_VISUAL_DEPTH(b->xm_visual)==8) {
- /* Special case: 8bpp RGB */
- for (y=0;y<b->mesa_buffer.Height;y++) {
- GLubyte *ptr = (GLubyte*) b->backxrb->ximage->data
- + b->backxrb->ximage->bytes_per_line * y;
- XDITHER_SETUP(y);
-
- /* read row from 3Dfx frame buffer */
- grLfbReadRegion( GR_BUFFER_FRONTBUFFER,
- 0, b->FXctx->height-(b->mesa_buffer.Height-y),
- b->mesa_buffer.Width, 1,
- 0,
- pixbuf );
-
- /* write to XImage back buffer */
- for (x=0;x<b->mesa_buffer.Width;x++) {
- GLubyte r = (pixbuf[x] & 0xf800) >> 8;
- GLubyte g = (pixbuf[x] & 0x07e0) >> 3;
- GLubyte b = (pixbuf[x] & 0x001f) << 3;
- *ptr++ = XDITHER( x, r, g, b);
- }
- }
- }
- else {
- /* General case: slow! */
- for (y=0;y<b->mesa_buffer.Height;y++) {
- /* read row from 3Dfx frame buffer */
- grLfbReadRegion( GR_BUFFER_FRONTBUFFER,
- 0, b->FXctx->height-(b->mesa_buffer.Height-y),
- b->mesa_buffer.Width, 1,
- 0,
- pixbuf );
-
- /* write to XImage back buffer */
- for (x=0;x<b->mesa_buffer.Width;x++) {
- XMesaPutPixel(b->backxrb->ximage,x,y,
- xmesa_color_to_pixel(ctx,
- (pixbuf[x] & 0xf800) >> 8,
- (pixbuf[x] & 0x07e0) >> 3,
- (pixbuf[x] & 0x001f) << 3,
- 0xff,
- b->xm_visual->undithered_pf));
- }
- }
- }
- /* grLfbWriteColorFormat(GR_COLORFORMAT_ABGR); */
-}
-
-
-GLboolean FXswapBuffers( XMesaBuffer b )
-{
- if (b->FXctx) {
- fxMesaSwapBuffers();
-
- if (!b->FXwindowHack)
- return GL_TRUE;
-
- FXgetImage(b);
- }
- return GL_FALSE;
-}
-
-
-/*
- * Switch 3Dfx support hack between window and full-screen mode.
- */
-GLboolean XMesaSetFXmode( GLint mode )
-{
- const char *fx = _mesa_getenv("MESA_GLX_FX");
- if (fx && fx[0] != 'd') {
- GET_CURRENT_CONTEXT(ctx);
- GrHwConfiguration hw;
- if (!FX_grSstQueryHardware(&hw)) {
- /*fprintf(stderr, "!grSstQueryHardware\n");*/
- return GL_FALSE;
- }
- if (hw.num_sst < 1) {
- /*fprintf(stderr, "hw.num_sst < 1\n");*/
- return GL_FALSE;
- }
- if (ctx) {
- /* [dBorca] Hack alert:
- * oh, this is sooo wrong: ctx above is
- * really an fxMesaContext, not an XMesaContext
- */
- XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer);
- if (mode == XMESA_FX_WINDOW) {
- if (xmbuf->FXisHackUsable) {
- FX_grSstControl(GR_CONTROL_DEACTIVATE);
- xmbuf->FXwindowHack = GL_TRUE;
- return GL_TRUE;
- }
- }
- else if (mode == XMESA_FX_FULLSCREEN) {
- FX_grSstControl(GR_CONTROL_ACTIVATE);
- xmbuf->FXwindowHack = GL_FALSE;
- return GL_TRUE;
- }
- else {
- /* Error: Bad mode value */
- }
- }
- }
- /*fprintf(stderr, "fallthrough\n");*/
- return GL_FALSE;
-}
-#endif
projects / mesa.git / commitdiff