diff options
Diffstat (limited to 'src/mesa/pipe/xlib/xm_surface.c')
| -rw-r--r-- | src/mesa/pipe/xlib/xm_surface.c | 683 |
1 files changed, 0 insertions, 683 deletions
diff --git a/src/mesa/pipe/xlib/xm_surface.c b/src/mesa/pipe/xlib/xm_surface.c index 4a54b5c7e1..6f5c7ac6ec 100644 --- a/src/mesa/pipe/xlib/xm_surface.c +++ b/src/mesa/pipe/xlib/xm_surface.c @@ -70,689 +70,6 @@ const int xmesa_kernel1[16] = { -#define CLIP_TILE \ - do { \ - if (x >= ps->width) \ - return; \ - if (y >= ps->height) \ - return; \ - if (x + w > ps->width) \ - w = ps->width - x; \ - if (y + h > ps->height) \ - h = ps->height -y; \ - } while(0) - - - -/* - * The following functions are used to trap XGetImage() calls which - * generate BadMatch errors if the drawable isn't mapped. - */ - -#ifndef XFree86Server -static int caught_xgetimage_error = 0; -static int (*old_xerror_handler)( XMesaDisplay *dpy, XErrorEvent *ev ); -static unsigned long xgetimage_serial; - -/* - * This is the error handler which will be called if XGetImage fails. - */ -static int xgetimage_error_handler( XMesaDisplay *dpy, XErrorEvent *ev ) -{ - if (ev->serial==xgetimage_serial && ev->error_code==BadMatch) { - /* caught the expected error */ - caught_xgetimage_error = 0; - } - else { - /* call the original X error handler, if any. otherwise ignore */ - if (old_xerror_handler) { - (*old_xerror_handler)( dpy, ev ); - } - } - return 0; -} - - -/* - * Call this right before XGetImage to setup error trap. - */ -static void catch_xgetimage_errors( XMesaDisplay *dpy ) -{ - xgetimage_serial = NextRequest( dpy ); - old_xerror_handler = XSetErrorHandler( xgetimage_error_handler ); - caught_xgetimage_error = 0; -} - - -/* - * Call this right after XGetImage to check if an error occured. - */ -static int check_xgetimage_errors( void ) -{ - /* restore old handler */ - (void) XSetErrorHandler( old_xerror_handler ); - /* return 0=no error, 1=error caught */ - return caught_xgetimage_error; -} -#endif - - -/** - * Wrapper for XGetImage() that catches BadMatch errors that can occur - * when the window is unmapped or the x/y/w/h extend beyond the window - * bounds. - * If build into xserver, wrap the internal GetImage method. - */ -static XMesaImage * -xget_image(XMesaDisplay *dpy, Drawable d, int x, int y, uint w, uint h) -{ -#ifdef XFree86Server - uint bpp = 4; /* XXX fix this */ - XMesaImage *ximage = (XMesaImage *) malloc(sizeof(XMesaImage)); - if (ximage) { - ximage->data = malloc(width * height * bpp); - } - (*dpy->GetImage)(d, x, y, w, h, ZPixmap, ~0L, (pointer)ximage->data); - ximage->width = w; - ximage->height = h; - ximage->bytes_per_row = w * bpp; - return ximage; -#else - int error; - XMesaImage *ximage; - catch_xgetimage_errors(dpy); - ximage = XGetImage(dpy, d, x, y, w, h, AllPlanes, ZPixmap); - error = check_xgetimage_errors(); - return ximage; -#endif -} - - - -/** - * Return raw pixels from pixmap or XImage. - */ -void -xmesa_get_tile(struct pipe_context *pipe, struct pipe_surface *ps, - uint x, uint y, uint w, uint h, void *p, int dst_stride) -{ - const uint w0 = w; - struct xmesa_surface *xms = xmesa_surface(ps); - XMesaImage *ximage = NULL; - ubyte *dst = (ubyte *) p; - uint i; - - if (!xms->drawable && !xms->ximage) { - /* not an X surface */ - softpipe_get_tile(pipe, ps, x, y, w, h, p, dst_stride); - return; - } - - CLIP_TILE; - - if (!xms->ximage) { - /* XImage = pixmap data */ - assert(xms->drawable); - ximage = xget_image(xms->display, xms->drawable, x, y, w, h); - if (!ximage) - return; - x = y = 0; - } - else { - ximage = xms->ximage; - } - - /* this could be optimized/simplified */ - switch (ps->format) { - case PIPE_FORMAT_U_A8_R8_G8_B8: - if (!dst_stride) { - dst_stride = w0 * 4; - } - for (i = 0; i < h; i++) { - memcpy(dst, ximage->data + y * ximage->bytes_per_line + x * 4, 4 * w); - dst += dst_stride; - } - break; - case PIPE_FORMAT_U_R5_G6_B5: - if (!dst_stride) { - dst_stride = w0 * 2; - } - for (i = 0; i < h; i++) { - memcpy(dst, ximage->data + y * ximage->bytes_per_line + x * 2, 4 * 2); - dst += dst_stride; - } - break; - default: - assert(0); - } - - if (!xms->ximage) { - XMesaDestroyImage(ximage); - } -} - - -/** - * Put raw pixels into pixmap or XImage. - */ -void -xmesa_put_tile(struct pipe_context *pipe, struct pipe_surface *ps, - uint x, uint y, uint w, uint h, const void *p, int src_stride) -{ - const uint w0 = w; - struct xmesa_surface *xms = xmesa_surface(ps); - const ubyte *src = (const ubyte *) p; - XMesaImage *ximage; - - if (!xms->drawable && !xms->ximage) { - /* not an X surface */ - softpipe_put_tile(pipe, ps, x, y, w, h, p, src_stride); - return; - } - - CLIP_TILE; - - if (xms->ximage) { - /* put to ximage */ - ximage = xms->ximage; - char *dst; - uint i; - - /* this could be optimized/simplified */ - switch (ps->format) { - case PIPE_FORMAT_U_A8_R8_G8_B8: - if (!src_stride) { - src_stride = w0 * 4; - } - dst = ximage->data + y * ximage->bytes_per_line + x * 4; - for (i = 0; i < h; i++) { - memcpy(dst, src, w * 4); - dst += ximage->bytes_per_line; - src += src_stride; - } - break; - case PIPE_FORMAT_U_R5_G6_B5: - if (!src_stride) { - src_stride = w0 * 2; - } - dst = ximage->data + y * ximage->bytes_per_line + x * 2; - for (i = 0; i < h; i++) { - memcpy(dst, src, w * 2); - dst += ximage->bytes_per_line; - src += src_stride; - } - break; - default: - assert(0); - } - } - else { - /* put to pixmap/window */ - /* Create temp XImage for data */ -#ifdef XFree86Server - ximage = XMesaCreateImage(GET_VISUAL_DEPTH(v), w, h, p); -#else - XVisualInfo *visinfo = xms->xrb->Parent->xm_visual->visinfo; - ximage = XCreateImage(xms->display, - visinfo->visual, - visinfo->depth, - ZPixmap, 0, /* format, offset */ - (char *) p, /* data */ - w, h, /* width, height */ - 32, /* bitmap_pad */ - 0); /* bytes_per_line */ -#endif - - /* send XImage data to pixmap */ - XPutImage(xms->display, xms->drawable, xms->gc, - ximage, 0, 0, x, y, w, h); - /* clean-up */ - ximage->data = NULL; /* prevents freeing user data at 'p' */ - XMesaDestroyImage(ximage); - } -} - - -void -xmesa_get_tile_rgba(struct pipe_context *pipe, struct pipe_surface *ps, - uint x, uint y, uint w, uint h, float *pixels) -{ - const uint w0 = w; - struct xmesa_surface *xms = xmesa_surface(ps); - XMesaImage *ximage = NULL; - float *pRow = pixels; - uint i, j; - - if (!xms->drawable && !xms->ximage) { - /* not an X surface */ - softpipe_get_tile_rgba(pipe, ps, x, y, w, h, pixels); - return; - } - - CLIP_TILE; - - if (!xms->ximage) { - /* XImage = pixmap data */ - assert(xms->drawable); - ximage = xget_image(xms->display, xms->drawable, x, y, w, h); - if (!ximage) - return; - x = y = 0; - } - else { - ximage = xms->ximage; - } - - switch (ps->format) { - case PIPE_FORMAT_U_A8_R8_G8_B8: - { - const uint *src - = (uint *) (ximage->data + y * ximage->bytes_per_line + x * 4); - for (i = 0; i < h; i++) { - float *p = pRow; - for (j = 0; j < w; j++) { - uint pix = src[j]; - ubyte r = ((pix >> 16) & 0xff); - ubyte g = ((pix >> 8) & 0xff); - ubyte b = ( pix & 0xff); - ubyte a = ((pix >> 24) & 0xff); - p[0] = UBYTE_TO_FLOAT(r); - p[1] = UBYTE_TO_FLOAT(g); - p[2] = UBYTE_TO_FLOAT(b); - p[3] = UBYTE_TO_FLOAT(a); - p += 4; - } - src += ximage->width; - pRow += 4 * w0; - } - } - break; - case PIPE_FORMAT_U_B8_G8_R8_A8: - { - const uint *src - = (uint *) (ximage->data + y * ximage->bytes_per_line + x * 4); - for (i = 0; i < h; i++) { - float *p = pRow; - for (j = 0; j < w; j++) { - uint pix = src[j]; - ubyte r = ((pix >> 8) & 0xff); - ubyte g = ((pix >> 16) & 0xff); - ubyte b = ((pix >> 24) & 0xff); - ubyte a = ( pix & 0xff); - p[0] = UBYTE_TO_FLOAT(r); - p[1] = UBYTE_TO_FLOAT(g); - p[2] = UBYTE_TO_FLOAT(b); - p[3] = UBYTE_TO_FLOAT(a); - p += 4; - } - src += ximage->width; - pRow += 4 * w0; - } - } - break; - case PIPE_FORMAT_U_R5_G6_B5: - { - ushort *src - = (ushort *) (ximage->data + y * ximage->bytes_per_line + x * 2); - for (i = 0; i < h; i++) { - float *p = pRow; - for (j = 0; j < w; j++) { - uint pix = src[j]; - ubyte r = (pix >> 8) | ((pix >> 13) & 0x7); - ubyte g = (pix >> 3) | ((pix >> 9) & 0x3); - ubyte b = ((pix & 0x1f) << 3) | ((pix >> 2) & 0x3); - p[0] = UBYTE_TO_FLOAT(r); - p[1] = UBYTE_TO_FLOAT(g); - p[2] = UBYTE_TO_FLOAT(b); - p[3] = 1.0; - p += 4; - } - src += ximage->width; - pRow += 4 * w0; - } - } - break; - default: - fprintf(stderr, "Bad format in xmesa_get_tile_rgba()\n"); - assert(0); - } - - if (!xms->ximage) { - XMesaDestroyImage(ximage); - } -} - - -void -xmesa_put_tile_rgba(struct pipe_context *pipe, struct pipe_surface *ps, - uint x, uint y, uint w, uint h, const float *pixels) -{ - const uint x0 = x, y0 = y, w0 = w; - struct xmesa_surface *xms = xmesa_surface(ps); - XMesaImage *ximage; - uint i, j; - - if (!xms->drawable && !xms->ximage) { - /* not an X surface */ - softpipe_put_tile_rgba(pipe, ps, x, y, w, h, pixels); - return; - } - - CLIP_TILE; - - if (!xms->ximage) { - /* create temp XImage */ - char *data = (char *) malloc(w * h * 4); -#ifdef XFree86Server - ximage = XMesaCreateImage(GET_VISUAL_DEPTH(v), w, h, data); -#else - XVisualInfo *visinfo = xms->xrb->Parent->xm_visual->visinfo; - ximage = XCreateImage(xms->display, - visinfo->visual, - visinfo->depth, - ZPixmap, 0, /* format, offset */ - data, /* data */ - w, h, /* width, height */ - 32, /* bitmap_pad */ - 0); /* bytes_per_line */ -#endif - x = y = 0; - } - else { - ximage = xms->ximage; - } - - /* convert floats to ximage's format */ - switch (ps->format) { - case PIPE_FORMAT_U_A8_R8_G8_B8: - { - uint *dst - = (uint *) (ximage->data + y * ximage->bytes_per_line + x * 4); - const float *pRow = pixels; - for (i = 0; i < h; i++) { - const float *p = pRow; - for (j = 0; j < w; j++) { - ubyte r, g, b, a; - UNCLAMPED_FLOAT_TO_UBYTE(r, p[0]); - UNCLAMPED_FLOAT_TO_UBYTE(g, p[1]); - UNCLAMPED_FLOAT_TO_UBYTE(b, p[2]); - UNCLAMPED_FLOAT_TO_UBYTE(a, p[3]); - dst[j] = PACK_8A8R8G8B(r, g, b, a); - p += 4; - } - dst += ximage->width; - pRow += 4 * w0; - } - } - break; - case PIPE_FORMAT_U_B8_G8_R8_A8: - { - uint *dst - = (uint *) (ximage->data + y * ximage->bytes_per_line + x * 4); - const float *pRow = pixels; - for (i = 0; i < h; i++) { - const float *p = pRow; - for (j = 0; j < w; j++) { - ubyte r, g, b, a; - UNCLAMPED_FLOAT_TO_UBYTE(r, p[0]); - UNCLAMPED_FLOAT_TO_UBYTE(g, p[1]); - UNCLAMPED_FLOAT_TO_UBYTE(b, p[2]); - UNCLAMPED_FLOAT_TO_UBYTE(a, p[3]); - dst[j] = PACK_8B8G8R8A(r, g, b, a); - p += 4; - } - dst += ximage->width; - pRow += 4 * w0; - } - } - break; - case PIPE_FORMAT_U_R5_G6_B5: - { - ushort *dst = - (ushort *) (ximage->data + y * ximage->bytes_per_line + x * 2); - const float *pRow = pixels; - for (i = 0; i < h; i++) { - const float *p = pRow; - for (j = 0; j < w; j++) { - ubyte r, g, b; - UNCLAMPED_FLOAT_TO_UBYTE(r, p[0]); - UNCLAMPED_FLOAT_TO_UBYTE(g, p[1]); - UNCLAMPED_FLOAT_TO_UBYTE(b, p[2]); - dst[j] = PACK_5R6G5B(r, g, b); - p += 4; - } - dst += ximage->width; - pRow += 4 * w0; - } - } - break; - - default: - fprintf(stderr, "Bad format in xmesa_put_tile_rgba()\n"); - assert(0); - } - - if (!xms->ximage) { - /* send XImage data to pixmap */ - XPutImage(xms->display, xms->drawable, xms->gc, - ximage, 0, 0, x0, y0, w, h); - /* clean-up */ - free(ximage->data); - ximage->data = NULL; - XMesaDestroyImage(ximage); - } -} - - -static void -clear_pixmap_surface(struct pipe_context *pipe, struct pipe_surface *ps, - uint value) -{ - struct xmesa_surface *xms = xmesa_surface(ps); - assert(xms); - assert(xms->display); - assert(xms->drawable); - assert(xms->gc); - XMesaSetForeground( xms->display, xms->gc, value ); - XMesaFillRectangle( xms->display, xms->drawable, xms->gc, - 0, 0, ps->width, ps->height); -} - -static void -clear_nbit_ximage_surface(struct pipe_context *pipe, struct pipe_surface *ps, - uint value) -{ - struct xmesa_surface *xms = xmesa_surface(ps); - int width = xms->surface.width; - int height = xms->surface.height; - int i, j; - for (j = 0; j < height; j++) { - for (i = 0; i < width; i++) { - XMesaPutPixel(xms->ximage, i, j, value); - } - } -} - -static void -clear_8bit_ximage_surface(struct pipe_context *pipe, struct pipe_surface *ps, - uint value) -{ - struct xmesa_surface *xms = xmesa_surface(ps); - memset(xms->ximage->data, - value, - xms->ximage->bytes_per_line * xms->ximage->height); -} - -static void -clear_16bit_ximage_surface(struct pipe_context *pipe, struct pipe_surface *ps, - uint value) -{ - struct xmesa_surface *xms = xmesa_surface(ps); - const int n = xms->ximage->width * xms->ximage->height; - ushort *dst = (ushort *) xms->ximage->data; - int i; - for (i = 0; i < n; i++) { - dst[i] = value; - } -} - - -/* Optimized code provided by Nozomi Ytow <noz@xfree86.org> */ -static void -clear_24bit_ximage_surface(struct pipe_context *pipe, struct pipe_surface *ps, - uint value) -{ - struct xmesa_surface *xms = xmesa_surface(ps); - const ubyte r = (value ) & 0xff; - const ubyte g = (value >> 8) & 0xff; - const ubyte b = (value >> 16) & 0xff; - - if (r == g && g == b) { - /* same value for all three components (gray) */ - memset(xms->ximage->data, r, - xms->ximage->bytes_per_line * xms->ximage->height); - } - else { - /* non-gray clear color */ - const int n = xms->ximage->width * xms->ximage->height; - int i; - bgr_t *ptr3 = (bgr_t *) xms->ximage->data; - for (i = 0; i < n; i++) { - ptr3->r = r; - ptr3->g = g; - ptr3->b = b; - ptr3++; - } - } -} - -static void -clear_32bit_ximage_surface(struct pipe_context *pipe, struct pipe_surface *ps, - uint value) -{ - struct xmesa_surface *xms = xmesa_surface(ps); - - if (value == 0) { - /* common case */ - memset(xms->ximage->data, value, - xms->ximage->bytes_per_line * xms->ximage->height); - } - else { - const int n = xms->ximage->width * xms->ximage->height; - uint *dst = (uint *) xms->ximage->data; - int i; - for (i = 0; i < n; i++) - dst[i] = value; - } -} - - - - -/** - * Called to create a pipe_surface for each X renderbuffer. - * Note: this is being used instead of pipe->surface_alloc() since we - * have special/unique quad read/write functions for X. - */ -struct pipe_surface * -xmesa_new_color_surface(struct pipe_winsys *winsys, GLuint pipeFormat) -{ - struct xmesa_surface *xms = CALLOC_STRUCT(xmesa_surface); - - assert(pipeFormat); - - xms->surface.format = pipeFormat; - xms->surface.refcount = 1; - xms->surface.winsys = winsys; - - /* Note, the buffer we allocate doesn't actually have any storage - * since we're drawing into an XImage or Pixmap. - * The surface's size will get set in the xmesa_alloc_front/back_storage() - * functions. - */ - xms->surface.buffer = winsys->buffer_create(winsys, 0x0); - - return &xms->surface; -} - - -/** - * Called via pipe->surface_alloc() to create new surfaces (textures, - * renderbuffers, etc. - */ -struct pipe_surface * -xmesa_surface_alloc(struct pipe_context *pipe, GLuint pipeFormat) -{ - struct xmesa_surface *xms = CALLOC_STRUCT(xmesa_surface); - - assert(pipe); - assert(pipeFormat); - - xms->surface.format = pipeFormat; - xms->surface.refcount = 1; - xms->surface.winsys = pipe->winsys; - - return &xms->surface; -} - - -/** - * Called via pipe->clear() to clear entire surface to a certain value. - * If the surface is not an X pixmap or XImage, pass the call to - * softpipe_clear(). - */ -void -xmesa_clear(struct pipe_context *pipe, struct pipe_surface *ps, uint value) -{ - struct xmesa_surface *xms = xmesa_surface(ps); - - /* XXX actually, we should just discard any cached tiles from this - * surface since we don't want to accidentally re-use them after clearing. - */ - pipe->flush(pipe, 0); - - { - struct softpipe_context *sp = softpipe_context(pipe); - if (ps == sp_tile_cache_get_surface(sp, sp->cbuf_cache[0])) { - float clear[4]; - clear[0] = 0.2; /* XXX hack */ - clear[1] = 0.2; - clear[2] = 0.2; - clear[3] = 0.2; - sp_tile_cache_clear(sp->cbuf_cache[0], clear); - } - } - -#if 1 - (void) clear_8bit_ximage_surface; - (void) clear_24bit_ximage_surface; -#endif - - if (xms->ximage) { - /* back color buffer */ - switch (xms->surface.format) { - case PIPE_FORMAT_U_R5_G6_B5: - clear_16bit_ximage_surface(pipe, ps, value); - break; - case PIPE_FORMAT_U_A8_R8_G8_B8: - case PIPE_FORMAT_U_B8_G8_R8_A8: - clear_32bit_ximage_surface(pipe, ps, value); - break; - default: - clear_nbit_ximage_surface(pipe, ps, value); - break; - } - } - else if (xms->drawable) { - /* front color buffer */ - clear_pixmap_surface(pipe, ps, value); - } - else { - /* other kind of buffer */ - softpipe_clear(pipe, ps, value); - } -} - /** XXX unfinished sketch... */ struct pipe_surface * |