X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fdrivers%2Fx11%2Fxm_api.c;h=edaa71508fc5713f430278fabe50b1c6dba8fe31;hb=fd54564f78d4aeae2c39ada7502ec659c14b3eca;hp=6f671969fec16237a5ea498ce33b06aedde76f4a;hpb=2a2f8d806f74619f0a7cf97fdc7f7b3ad1cad81b;p=mesa.git

diff --git a/src/mesa/drivers/x11/xm_api.c b/src/mesa/drivers/x11/xm_api.c
index 6f671969fec..edaa71508fc 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"
@@ -295,6 +296,19 @@ static GLboolean window_exists( XMesaDisplay *dpy, Window win )
 #endif
 
 
+static Status
+get_drawable_size(Display *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;
+}
+
 
 /**
  * Return the size of the window (or pixmap) that corresponds to the
@@ -310,22 +324,14 @@ 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 +437,11 @@ 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 +1047,16 @@ 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 +1120,8 @@ 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 +1189,15 @@ 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*/ );
@@ -1410,7 +1429,7 @@ 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;
@@ -1557,6 +1576,11 @@ PUBLIC
 void XMesaDestroyContext( XMesaContext c )
 {
    GLcontext *mesaCtx = &c->mesa;
+
+#ifdef FX
+   FXdestroyContext( XMESA_BUFFER(mesaCtx->DrawBuffer) );
+#endif
+
    _swsetup_DestroyContext( mesaCtx );
    _swrast_DestroyContext( mesaCtx );
    _tnl_DestroyContext( mesaCtx );
@@ -1580,31 +1604,25 @@ XMesaCreateWindowBuffer(XMesaVisual v, XMesaWindow w)
 #ifndef XFree86Server
    XWindowAttributes attr;
 #endif
-   int client = 0;
    XMesaBuffer b;
    XMesaColormap cmap;
+   int depth;
 
    assert(v);
    assert(w);
 
    /* 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
@@ -1625,7 +1643,7 @@ XMesaCreateWindowBuffer(XMesaVisual v, XMesaWindow w)
    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;
@@ -1635,6 +1653,7 @@ XMesaCreateWindowBuffer(XMesaVisual v, XMesaWindow w)
 }
 
 
+
 /**
  * Create a new XMesaBuffer from an X pixmap.
  *
@@ -1647,7 +1666,6 @@ XMesaCreateWindowBuffer(XMesaVisual v, XMesaWindow w)
 PUBLIC XMesaBuffer
 XMesaCreatePixmapBuffer(XMesaVisual v, XMesaPixmap p, XMesaColormap cmap)
 {
-   int client = 0;
    XMesaBuffer b;
 
    assert(v);
@@ -1656,11 +1674,68 @@ 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 */
+   get_drawable_size(v->display, p, &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;
@@ -1675,10 +1750,7 @@ 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;
@@ -1694,13 +1766,15 @@ 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
 }
 
@@ -1770,6 +1844,11 @@ 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.
        */
@@ -1862,9 +1941,7 @@ 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);
@@ -1895,14 +1972,13 @@ GLboolean XMesaCopyContext( XMesaContext xm_src, XMesaContext xm_dst, GLuint mas
 #endif /* XFree86Server */
 
 
-/*
- * Switch 3Dfx support hack between window and full-screen mode.
- */
+#ifndef FX
 GLboolean XMesaSetFXmode( GLint mode )
 {
    (void) mode;
    return GL_FALSE;
 }
+#endif
 
 
 
@@ -1927,7 +2003,11 @@ void XMesaSwapBuffers( XMesaBuffer b )
       _mesa_notifySwapBuffers(ctx);
 
    if (b->db_mode) {
-     if (b->backxrb->ximage) {
+#ifdef FX
+      if (FXswapBuffers(b))
+         return;
+#endif
+      if (b->backxrb->ximage) {
 	 /* Copy Ximage (back buf) from client memory to server window */
 #if defined(USE_XSHM) && !defined(XFree86Server)
 	 if (b->shm) {
@@ -1993,6 +2073,10 @@ 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 (FXswapBuffers(b))
+         return;
+#endif
       if (b->backxrb->ximage) {
          /* Copy Ximage from host's memory to server's window */
 #if defined(USE_XSHM) && !defined(XFree86Server)
@@ -2242,3 +2326,154 @@ 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(Display *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;
+   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 XGetImage 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 = XGetImage(dpy, xrb->pixmap, 0, 0, rb->Width, rb->Height,
+                      AllPlanes, 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(Display *dpy, XMesaBuffer drawable, int buffer)
+{
+   const GLint b = xbuffer_to_renderbuffer(buffer);
+   if (b < 0)
+      return;
+
+   /* no-op for now */
+}
+