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Diffstat (limited to 'src/mesa/drivers/x11/xm_api.c')
-rw-r--r--src/mesa/drivers/x11/xm_api.c589
1 files changed, 290 insertions, 299 deletions
diff --git a/src/mesa/drivers/x11/xm_api.c b/src/mesa/drivers/x11/xm_api.c
index 24028a44ba..eaa277db4a 100644
--- a/src/mesa/drivers/x11/xm_api.c
+++ b/src/mesa/drivers/x11/xm_api.c
@@ -1,8 +1,8 @@
/*
* Mesa 3-D graphics library
- * Version: 6.5.2
+ * Version: 7.1
*
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2007 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"),
@@ -72,6 +72,7 @@
#include "imports.h"
#include "macros.h"
#include "renderbuffer.h"
+#include "teximage.h"
#include "swrast/swrast.h"
#include "swrast_setup/swrast_setup.h"
#include "vbo/vbo.h"
@@ -292,8 +293,20 @@ static GLboolean window_exists( XMesaDisplay *dpy, Window win )
XSetErrorHandler(old_handler);
return WindowExistsFlag;
}
-#endif
+static Status
+get_drawable_size( XMesaDisplay *dpy, Drawable d, GLuint *width, GLuint *height )
+{
+ Window root;
+ Status stat;
+ int xpos, ypos;
+ unsigned int w, h, bw, depth;
+ stat = XGetGeometry(dpy, d, &root, &xpos, &ypos, &w, &h, &bw, &depth);
+ *width = w;
+ *height = h;
+ return stat;
+}
+#endif
/**
@@ -310,22 +323,14 @@ xmesa_get_window_size(XMesaDisplay *dpy, XMesaBuffer b,
*width = MIN2(b->frontxrb->drawable->width, MAX_WIDTH);
*height = MIN2(b->frontxrb->drawable->height, MAX_HEIGHT);
#else
- Window root;
Status stat;
- int xpos, ypos;
- unsigned int w, h, bw, depth;
_glthread_LOCK_MUTEX(_xmesa_lock);
XSync(b->xm_visual->display, 0); /* added for Chromium */
- stat = XGetGeometry(dpy, b->frontxrb->pixmap, &root, &xpos, &ypos,
- &w, &h, &bw, &depth);
+ stat = get_drawable_size(dpy, b->frontxrb->pixmap, width, height);
_glthread_UNLOCK_MUTEX(_xmesa_lock);
- if (stat) {
- *width = w;
- *height = h;
- }
- else {
+ if (!stat) {
/* probably querying a window that's recently been destroyed */
_mesa_warning(NULL, "XGetGeometry failed!\n");
*width = *height = 1;
@@ -431,6 +436,11 @@ create_xmesa_buffer(XMesaDrawable d, BufferType type,
b->swAlpha,
vis->mesa_visual.numAuxBuffers > 0 );
+ /* GLX_EXT_texture_from_pixmap */
+ b->TextureTarget = 0;
+ b->TextureFormat = GLX_TEXTURE_FORMAT_NONE_EXT;
+ b->TextureMipmap = 0;
+
/* insert buffer into linked list */
b->Next = XMesaBufferList;
XMesaBufferList = b;
@@ -1036,10 +1046,16 @@ setup_monochrome( XMesaVisual v, XMesaBuffer b )
* \return GL_TRUE=success, GL_FALSE=failure
*/
static GLboolean
-initialize_visual_and_buffer(int client, XMesaVisual v, XMesaBuffer b,
+initialize_visual_and_buffer(XMesaVisual v, XMesaBuffer b,
GLboolean rgb_flag, XMesaDrawable window,
XMesaColormap cmap)
{
+ int client = 0;
+
+#ifdef XFree86Server
+ client = (window) ? CLIENT_ID(window->id) : 0;
+#endif
+
ASSERT(!b || b->xm_visual == v);
/* Save true bits/pixel */
@@ -1103,6 +1119,8 @@ initialize_visual_and_buffer(int client, XMesaVisual v, XMesaBuffer b,
}
if (b && window) {
+ char *data;
+
/* Do window-specific initializations */
/* these should have been set in create_xmesa_buffer */
@@ -1170,15 +1188,15 @@ initialize_visual_and_buffer(int client, XMesaVisual v, XMesaBuffer b,
}
/* Initialize the row buffer XImage for use in write_color_span() */
+ data = (char*) MALLOC(MAX_WIDTH*4);
#ifdef XFree86Server
- b->rowimage = XMesaCreateImage(GET_VISUAL_DEPTH(v), MAX_WIDTH, 1,
- (char *)MALLOC(MAX_WIDTH*4));
+ b->rowimage = XMesaCreateImage(GET_VISUAL_DEPTH(v), MAX_WIDTH, 1, data);
#else
b->rowimage = XCreateImage( v->display,
v->visinfo->visual,
v->visinfo->depth,
ZPixmap, 0, /*format, offset*/
- (char*) MALLOC(MAX_WIDTH*4), /*data*/
+ data, /*data*/
MAX_WIDTH, 1, /*width, height*/
32, /*bitmap_pad*/
0 /*bytes_per_line*/ );
@@ -1308,6 +1326,7 @@ xmesa_convert_from_x_visual_type( int visualType )
* visualCaveat - ala the GLX extension, usually GLX_NONE
* Return; a new XMesaVisual or 0 if error.
*/
+PUBLIC
XMesaVisual XMesaCreateVisual( XMesaDisplay *display,
XMesaVisualInfo visinfo,
GLboolean rgb_flag,
@@ -1409,7 +1428,7 @@ XMesaVisual XMesaCreateVisual( XMesaDisplay *display,
if (alpha_flag)
v->mesa_visual.alphaBits = 8;
- (void) initialize_visual_and_buffer( 0, v, NULL, rgb_flag, 0, 0 );
+ (void) initialize_visual_and_buffer( v, NULL, rgb_flag, 0, 0 );
{
const int xclass = v->mesa_visual.visualType;
@@ -1450,6 +1469,7 @@ XMesaVisual XMesaCreateVisual( XMesaDisplay *display,
}
+PUBLIC
void XMesaDestroyVisual( XMesaVisual v )
{
#ifndef XFree86Server
@@ -1467,6 +1487,7 @@ void XMesaDestroyVisual( XMesaVisual v )
* lists or NULL if no sharing is wanted.
* \return an XMesaContext or NULL if error.
*/
+PUBLIC
XMesaContext XMesaCreateContext( XMesaVisual v, XMesaContext share_list )
{
static GLboolean firstTime = GL_TRUE;
@@ -1550,15 +1571,15 @@ XMesaContext XMesaCreateContext( XMesaVisual v, XMesaContext share_list )
+PUBLIC
void XMesaDestroyContext( XMesaContext c )
{
GLcontext *mesaCtx = &c->mesa;
-#ifdef FX
- XMesaBuffer xmbuf = XMESA_BUFFER(mesaCtx->DrawBuffer);
- if (xmbuf && xmbuf->FXctx)
- fxMesaDestroyContext(xmbuf->FXctx);
+#ifdef FX
+ FXdestroyContext( XMESA_BUFFER(mesaCtx->DrawBuffer) );
#endif
+
_swsetup_DestroyContext( mesaCtx );
_swrast_DestroyContext( mesaCtx );
_tnl_DestroyContext( mesaCtx );
@@ -1574,44 +1595,33 @@ void XMesaDestroyContext( XMesaContext c )
* X window or pixmap.
* \param v the window's XMesaVisual
* \param w the window we're wrapping
- * \param c context used to initialize the buffer if 3Dfx mode in use.
* \return new XMesaBuffer or NULL if error
*/
-XMesaBuffer
-XMesaCreateWindowBuffer2(XMesaVisual v, XMesaWindow w, XMesaContext c)
+PUBLIC XMesaBuffer
+XMesaCreateWindowBuffer(XMesaVisual v, XMesaWindow w)
{
#ifndef XFree86Server
XWindowAttributes attr;
#endif
-#ifdef FX
- char *fxEnvVar;
-#endif
- int client = 0;
XMesaBuffer b;
XMesaColormap cmap;
+ int depth;
assert(v);
assert(w);
- (void) c;
/* Check that window depth matches visual depth */
#ifdef XFree86Server
- client = CLIENT_ID(((XMesaDrawable)w)->id);
-
- if (GET_VISUAL_DEPTH(v) != ((XMesaDrawable)w)->depth) {
- _mesa_warning(NULL, "XMesaCreateWindowBuffer: depth mismatch between visual (%d) and window (%d)!\n",
- GET_VISUAL_DEPTH(v), ((XMesaDrawable) w)->depth);
- return NULL;
- }
+ depth = ((XMesaDrawable)w)->depth;
#else
XGetWindowAttributes( v->display, w, &attr );
-
- if (GET_VISUAL_DEPTH(v) != attr.depth) {
+ depth = attr.depth;
+#endif
+ if (GET_VISUAL_DEPTH(v) != depth) {
_mesa_warning(NULL, "XMesaCreateWindowBuffer: depth mismatch between visual (%d) and window (%d)!\n",
- GET_VISUAL_DEPTH(v), attr.depth);
+ GET_VISUAL_DEPTH(v), depth);
return NULL;
}
-#endif
/* Find colormap */
#ifdef XFree86Server
@@ -1632,101 +1642,16 @@ XMesaCreateWindowBuffer2(XMesaVisual v, XMesaWindow w, XMesaContext c)
if (!b)
return NULL;
- if (!initialize_visual_and_buffer( client, v, b, v->mesa_visual.rgbMode,
+ if (!initialize_visual_and_buffer( v, b, v->mesa_visual.rgbMode,
(XMesaDrawable) w, cmap )) {
xmesa_free_buffer(b);
return NULL;
}
-#ifdef FX
- 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);
-
- /* 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");
- }
-#endif
-
return b;
}
-XMesaBuffer
-XMesaCreateWindowBuffer(XMesaVisual v, XMesaWindow w)
-{
- return XMesaCreateWindowBuffer2( v, w, NULL );
-}
-
/**
* Create a new XMesaBuffer from an X pixmap.
@@ -1737,10 +1662,9 @@ XMesaCreateWindowBuffer(XMesaVisual v, XMesaWindow w)
* \c GLX_DIRECT_COLOR visual for the pixmap
* \returns new XMesaBuffer or NULL if error
*/
-XMesaBuffer
+PUBLIC XMesaBuffer
XMesaCreatePixmapBuffer(XMesaVisual v, XMesaPixmap p, XMesaColormap cmap)
{
- int client = 0;
XMesaBuffer b;
assert(v);
@@ -1749,11 +1673,68 @@ XMesaCreatePixmapBuffer(XMesaVisual v, XMesaPixmap p, XMesaColormap cmap)
if (!b)
return NULL;
-#ifdef XFree86Server
- client = CLIENT_ID(((XMesaDrawable)p)->id);
-#endif
+ if (!initialize_visual_and_buffer(v, b, v->mesa_visual.rgbMode,
+ (XMesaDrawable) p, cmap)) {
+ xmesa_free_buffer(b);
+ return NULL;
+ }
+
+ return b;
+}
+
+
+/**
+ * For GLX_EXT_texture_from_pixmap
+ */
+XMesaBuffer
+XMesaCreatePixmapTextureBuffer(XMesaVisual v, XMesaPixmap p,
+ XMesaColormap cmap,
+ int format, int target, int mipmap)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ XMesaBuffer b;
+ GLuint width, height;
+
+ assert(v);
+
+ b = create_xmesa_buffer((XMesaDrawable) p, PIXMAP, v, cmap);
+ if (!b)
+ return NULL;
+
+ /* get pixmap size, update framebuffer/renderbuffer dims */
+ xmesa_get_window_size(v->display, b, &width, &height);
+ _mesa_resize_framebuffer(NULL, &(b->mesa_buffer), width, height);
+
+ if (target == 0) {
+ /* examine dims */
+ if (ctx->Extensions.ARB_texture_non_power_of_two) {
+ target = GLX_TEXTURE_2D_EXT;
+ }
+ else if ( _mesa_bitcount(width) == 1
+ && _mesa_bitcount(height) == 1) {
+ /* power of two size */
+ if (height == 1) {
+ target = GLX_TEXTURE_1D_EXT;
+ }
+ else {
+ target = GLX_TEXTURE_2D_EXT;
+ }
+ }
+ else if (ctx->Extensions.NV_texture_rectangle) {
+ target = GLX_TEXTURE_RECTANGLE_EXT;
+ }
+ else {
+ /* non power of two textures not supported */
+ XMesaDestroyBuffer(b);
+ return 0;
+ }
+ }
+
+ b->TextureTarget = target;
+ b->TextureFormat = format;
+ b->TextureMipmap = mipmap;
- if (!initialize_visual_and_buffer(client, v, b, v->mesa_visual.rgbMode,
+ if (!initialize_visual_and_buffer(v, b, v->mesa_visual.rgbMode,
(XMesaDrawable) p, cmap)) {
xmesa_free_buffer(b);
return NULL;
@@ -1768,10 +1749,7 @@ XMesaBuffer
XMesaCreatePBuffer(XMesaVisual v, XMesaColormap cmap,
unsigned int width, unsigned int height)
{
-#ifdef XFree86Server
- return 0;
-#else
- int client = 0;
+#ifndef XFree86Server
XMesaWindow root;
XMesaDrawable drawable; /* X Pixmap Drawable */
XMesaBuffer b;
@@ -1787,13 +1765,15 @@ XMesaCreatePBuffer(XMesaVisual v, XMesaColormap cmap,
if (!b)
return NULL;
- if (!initialize_visual_and_buffer(client, v, b, v->mesa_visual.rgbMode,
+ if (!initialize_visual_and_buffer(v, b, v->mesa_visual.rgbMode,
drawable, cmap)) {
xmesa_free_buffer(b);
return NULL;
}
return b;
+#else
+ return 0;
#endif
}
@@ -1802,7 +1782,7 @@ XMesaCreatePBuffer(XMesaVisual v, XMesaColormap cmap,
/*
* Deallocate an XMesaBuffer structure and all related info.
*/
-void
+PUBLIC void
XMesaDestroyBuffer(XMesaBuffer b)
{
xmesa_free_buffer(b);
@@ -1845,6 +1825,7 @@ GLboolean XMesaMakeCurrent( XMesaContext c, XMesaBuffer b )
/*
* Bind buffer b to context c and make c the current rendering context.
*/
+PUBLIC
GLboolean XMesaMakeCurrent2( XMesaContext c, XMesaBuffer drawBuffer,
XMesaBuffer readBuffer )
{
@@ -1852,15 +1833,6 @@ GLboolean XMesaMakeCurrent2( XMesaContext c, XMesaBuffer drawBuffer,
if (!drawBuffer || !readBuffer)
return GL_FALSE; /* must specify buffers! */
-#ifdef FX
- if (drawBuffer->FXctx) {
- fxMesaMakeCurrent(drawBuffer->FXctx);
-
- c->xm_buffer = drawBuffer;
-
- return GL_TRUE;
- }
-#endif
if (&(c->mesa) == _mesa_get_current_context()
&& c->mesa.DrawBuffer == &drawBuffer->mesa_buffer
&& c->mesa.ReadBuffer == &readBuffer->mesa_buffer
@@ -1871,6 +1843,11 @@ GLboolean XMesaMakeCurrent2( XMesaContext c, XMesaBuffer drawBuffer,
c->xm_buffer = drawBuffer;
+#ifdef FX
+ if (FXmakeCurrent( drawBuffer ))
+ return GL_TRUE;
+#endif
+
/* Call this periodically to detect when the user has begun using
* GL rendering from multiple threads.
*/
@@ -1958,12 +1935,12 @@ XMesaBuffer XMesaGetCurrentReadBuffer( void )
}
+#ifdef XFree86Server
+PUBLIC
GLboolean XMesaForceCurrent(XMesaContext c)
{
if (c) {
-#ifdef XGLServer
_glapi_set_dispatch(c->mesa.CurrentDispatch);
-#endif
if (&(c->mesa) != _mesa_get_current_context()) {
_mesa_make_current(&c->mesa, c->mesa.DrawBuffer, c->mesa.ReadBuffer);
@@ -1976,6 +1953,7 @@ GLboolean XMesaForceCurrent(XMesaContext c)
}
+PUBLIC
GLboolean XMesaLoseCurrent(XMesaContext c)
{
(void) c;
@@ -1984,157 +1962,30 @@ GLboolean XMesaLoseCurrent(XMesaContext c)
}
+PUBLIC
GLboolean XMesaCopyContext( XMesaContext xm_src, XMesaContext xm_dst, GLuint mask )
{
_mesa_copy_context(&xm_src->mesa, &xm_dst->mesa, mask);
return GL_TRUE;
}
+#endif /* XFree86Server */
-/*
- * Switch 3Dfx support hack between window and full-screen mode.
- */
+#ifndef FX
GLboolean XMesaSetFXmode( GLint mode )
{
-#ifdef FX
- 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");*/
-#else
(void) mode;
-#endif
return GL_FALSE;
}
-
-
-
-#ifdef FX
-/*
- * 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;
- XMesaContext xmesa = XMESA_CONTEXT(ctx);
-
-#ifdef XFree86Server
- x = b->frontxrb->pixmap->x;
- y = b->frontxrb->pixmap->y;
- width = b->frontxrb->pixmap->width;
- height = b->frontxrb->pixmap->height;
- depth = b->frontxrb->pixmap->depth;
-#else
- xmesa_get_window_size(b->display, b, &width, &height);
- x = y = 0;
-#endif
- 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); */
-}
#endif
+
/*
* Copy the back buffer to the front buffer. If there's no back buffer
* this is a no-op.
*/
+PUBLIC
void XMesaSwapBuffers( XMesaBuffer b )
{
GET_CURRENT_CONTEXT(ctx);
@@ -2152,16 +2003,10 @@ void XMesaSwapBuffers( XMesaBuffer b )
if (b->db_mode) {
#ifdef FX
- if (b->FXctx) {
- fxMesaSwapBuffers();
-
- if (b->FXwindowHack)
- FXgetImage(b);
- else
- return;
- }
+ if (FXswapBuffers(b))
+ return;
#endif
- if (b->backxrb->ximage) {
+ if (b->backxrb->ximage) {
/* Copy Ximage (back buf) from client memory to server window */
#if defined(USE_XSHM) && !defined(XFree86Server)
if (b->shm) {
@@ -2228,13 +2073,8 @@ void XMesaCopySubBuffer( XMesaBuffer b, int x, int y, int width, int height )
if (b->db_mode) {
int yTop = b->mesa_buffer.Height - y - height;
#ifdef FX
- if (b->FXctx) {
- fxMesaSwapBuffers();
- if (b->FXwindowHack)
- FXgetImage(b);
- else
- return;
- }
+ if (FXswapBuffers(b))
+ return;
#endif
if (b->backxrb->ximage) {
/* Copy Ximage from host's memory to server's window */
@@ -2475,7 +2315,7 @@ unsigned long XMesaDitherColor( XMesaContext xmesa, GLint x, GLint y,
* This is typically called when the window size changes and we need
* to reallocate the buffer's back/depth/stencil/accum buffers.
*/
-void
+PUBLIC void
XMesaResizeBuffers( XMesaBuffer b )
{
GET_CURRENT_CONTEXT(ctx);
@@ -2485,3 +2325,154 @@ XMesaResizeBuffers( XMesaBuffer b )
xmesa_check_and_update_buffer_size(xmctx, b);
}
+
+static GLint
+xbuffer_to_renderbuffer(int buffer)
+{
+ assert(MAX_AUX_BUFFERS <= 4);
+
+ switch (buffer) {
+ case GLX_FRONT_LEFT_EXT:
+ return BUFFER_FRONT_LEFT;
+ case GLX_FRONT_RIGHT_EXT:
+ return BUFFER_FRONT_RIGHT;
+ case GLX_BACK_LEFT_EXT:
+ return BUFFER_BACK_LEFT;
+ case GLX_BACK_RIGHT_EXT:
+ return BUFFER_BACK_RIGHT;
+ case GLX_AUX0_EXT:
+ return BUFFER_AUX0;
+ case GLX_AUX1_EXT:
+ return BUFFER_AUX1;
+ case GLX_AUX2_EXT:
+ return BUFFER_AUX2;
+ case GLX_AUX3_EXT:
+ return BUFFER_AUX3;
+ case GLX_AUX4_EXT:
+ case GLX_AUX5_EXT:
+ case GLX_AUX6_EXT:
+ case GLX_AUX7_EXT:
+ case GLX_AUX8_EXT:
+ case GLX_AUX9_EXT:
+ default:
+ /* BadValue error */
+ return -1;
+ }
+}
+
+
+PUBLIC void
+XMesaBindTexImage(XMesaDisplay *dpy, XMesaBuffer drawable, int buffer,
+ const int *attrib_list)
+{
+#if 0
+ GET_CURRENT_CONTEXT(ctx);
+ const GLuint unit = ctx->Texture.CurrentUnit;
+ struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+ struct gl_texture_object *texObj;
+#endif
+ struct gl_renderbuffer *rb;
+ struct xmesa_renderbuffer *xrb;
+ GLint b;
+ XMesaImage *img = NULL;
+ GLboolean freeImg = GL_FALSE;
+
+ b = xbuffer_to_renderbuffer(buffer);
+ if (b < 0)
+ return;
+
+ if (drawable->TextureFormat == GLX_TEXTURE_FORMAT_NONE_EXT)
+ return; /* BadMatch error */
+
+ rb = drawable->mesa_buffer.Attachment[b].Renderbuffer;
+ if (!rb) {
+ /* invalid buffer */
+ return;
+ }
+ xrb = xmesa_renderbuffer(rb);
+
+#if 0
+ switch (drawable->TextureTarget) {
+ case GLX_TEXTURE_1D_EXT:
+ texObj = texUnit->Current1D;
+ break;
+ case GLX_TEXTURE_2D_EXT:
+ texObj = texUnit->Current2D;
+ break;
+ case GLX_TEXTURE_RECTANGLE_EXT:
+ texObj = texUnit->CurrentRect;
+ break;
+ default:
+ return; /* BadMatch error */
+ }
+#endif
+
+ /*
+ * The following is a quick and simple way to implement
+ * BindTexImage. The better way is to write some new FetchTexel()
+ * functions which would extract texels from XImages. We'd still
+ * need to use GetImage when texturing from a Pixmap (front buffer)
+ * but texturing from a back buffer (XImage) would avoid an image
+ * copy.
+ */
+
+ /* get XImage */
+ if (xrb->pixmap) {
+ img = XMesaGetImage(dpy, xrb->pixmap, 0, 0, rb->Width, rb->Height, ~0L,
+ ZPixmap);
+ freeImg = GL_TRUE;
+ }
+ else if (xrb->ximage) {
+ img = xrb->ximage;
+ }
+
+ /* store the XImage as a new texture image */
+ if (img) {
+ GLenum format, type, intFormat;
+ if (img->bits_per_pixel == 32) {
+ format = GL_BGRA;
+ type = GL_UNSIGNED_BYTE;
+ intFormat = GL_RGBA;
+ }
+ else if (img->bits_per_pixel == 24) {
+ format = GL_BGR;
+ type = GL_UNSIGNED_BYTE;
+ intFormat = GL_RGB;
+ }
+ else if (img->bits_per_pixel == 16) {
+ format = GL_BGR;
+ type = GL_UNSIGNED_SHORT_5_6_5;
+ intFormat = GL_RGB;
+ }
+ else {
+ _mesa_problem(NULL, "Unexpected XImage format in XMesaBindTexImage");
+ return;
+ }
+ if (drawable->TextureFormat == GLX_TEXTURE_FORMAT_RGBA_EXT) {
+ intFormat = GL_RGBA;
+ }
+ else if (drawable->TextureFormat == GLX_TEXTURE_FORMAT_RGB_EXT) {
+ intFormat = GL_RGB;
+ }
+
+ _mesa_TexImage2D(GL_TEXTURE_2D, 0, intFormat, rb->Width, rb->Height, 0,
+ format, type, img->data);
+
+ if (freeImg) {
+ XMesaDestroyImage(img);
+ }
+ }
+}
+
+
+
+PUBLIC void
+XMesaReleaseTexImage(XMesaDisplay *dpy, XMesaBuffer drawable, int buffer)
+{
+ const GLint b = xbuffer_to_renderbuffer(buffer);
+ if (b < 0)
+ return;
+
+ /* no-op for now */
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-15 04:32:34 +0000