/*
* 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"),
#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"
#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
*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;
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;
* \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 */
}
if (b && window) {
+ char *data;
+
/* Do window-specific initializations */
/* these should have been set in create_xmesa_buffer */
}
/* 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*/ );
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;
#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
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;
PUBLIC XMesaBuffer
XMesaCreatePixmapBuffer(XMesaVisual v, XMesaPixmap p, XMesaColormap cmap)
{
- int client = 0;
XMesaBuffer b;
assert(v);
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;
- if (!initialize_visual_and_buffer(client, v, b, v->mesa_visual.rgbMode,
+ 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(v, b, v->mesa_visual.rgbMode,
(XMesaDrawable) p, cmap)) {
xmesa_free_buffer(b);
return NULL;
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;
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
}
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);
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 */
+}
+
projects / mesa.git / blobdiff