diff options
Diffstat (limited to 'src/mesa')
-rw-r--r-- | src/mesa/pipe/xlib/xm_buffer.c | 490 | ||||
-rw-r--r-- | src/mesa/pipe/xlib/xm_surface.c | 94 |
2 files changed, 0 insertions, 584 deletions
diff --git a/src/mesa/pipe/xlib/xm_buffer.c b/src/mesa/pipe/xlib/xm_buffer.c deleted file mode 100644 index e49eafbb09..0000000000 --- a/src/mesa/pipe/xlib/xm_buffer.c +++ /dev/null @@ -1,490 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5.2 - * - * 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. - */ - - -/** - * \file xm_buffer.h - * Framebuffer and renderbuffer-related functions. - */ - - -#include "GL/xmesa.h" -#include "glxheader.h" -#include "xmesaP.h" -#include "main/imports.h" -#include "main/framebuffer.h" -#include "main/renderbuffer.h" -#include "pipe/p_state.h" -#include "pipe/p_defines.h" -#include "pipe/p_winsys.h" -#include "state_tracker/st_context.h" - - -static volatile int mesaXErrorFlag = 0; - -/** - * Catches potential Xlib errors. - */ -static int -mesaHandleXError(XMesaDisplay *dpy, XErrorEvent *event) -{ - (void) dpy; - (void) event; - mesaXErrorFlag = 1; - return 0; -} - -/** - * Allocate a shared memory XImage back buffer for the given XMesaBuffer. - * Return: GL_TRUE if success, GL_FALSE if error - */ -static GLboolean -alloc_back_shm_ximage(XMesaBuffer b, GLuint width, GLuint height) -{ - /* - * We have to do a _lot_ of error checking here to be sure we can - * really use the XSHM extension. It seems different servers trigger - * errors at different points if the extension won't work. Therefore - * we have to be very careful... - */ - GC gc; - int (*old_handler)(XMesaDisplay *, XErrorEvent *); - - if (width == 0 || height == 0) { - /* this will be true the first time we're called on 'b' */ - return GL_FALSE; - } - - b->backxrb->ximage = XShmCreateImage(b->xm_visual->display, - b->xm_visual->visinfo->visual, - b->xm_visual->visinfo->depth, - ZPixmap, NULL, &b->shminfo, - width, height); - if (b->backxrb->ximage == NULL) { - _mesa_warning(NULL, "alloc_back_buffer: Shared memory error (XShmCreateImage), disabling.\n"); - b->shm = 0; - return GL_FALSE; - } - - b->shminfo.shmid = shmget(IPC_PRIVATE, b->backxrb->ximage->bytes_per_line - * b->backxrb->ximage->height, IPC_CREAT|0777); - if (b->shminfo.shmid < 0) { - _mesa_warning(NULL, "shmget failed while allocating back buffer.\n"); - XDestroyImage(b->backxrb->ximage); - b->backxrb->ximage = NULL; - _mesa_warning(NULL, "alloc_back_buffer: Shared memory error (shmget), disabling.\n"); - b->shm = 0; - return GL_FALSE; - } - - b->shminfo.shmaddr = b->backxrb->ximage->data - = (char*)shmat(b->shminfo.shmid, 0, 0); - if (b->shminfo.shmaddr == (char *) -1) { - _mesa_warning(NULL, "shmat() failed while allocating back buffer.\n"); - XDestroyImage(b->backxrb->ximage); - shmctl(b->shminfo.shmid, IPC_RMID, 0); - b->backxrb->ximage = NULL; - _mesa_warning(NULL, "alloc_back_buffer: Shared memory error (shmat), disabling.\n"); - b->shm = 0; - return GL_FALSE; - } - - b->shminfo.readOnly = False; - mesaXErrorFlag = 0; - old_handler = XSetErrorHandler(mesaHandleXError); - /* This may trigger the X protocol error we're ready to catch: */ - XShmAttach(b->xm_visual->display, &b->shminfo); - XSync(b->xm_visual->display, False); - - if (mesaXErrorFlag) { - /* we are on a remote display, this error is normal, don't print it */ - XFlush(b->xm_visual->display); - mesaXErrorFlag = 0; - XDestroyImage(b->backxrb->ximage); - shmdt(b->shminfo.shmaddr); - shmctl(b->shminfo.shmid, IPC_RMID, 0); - b->backxrb->ximage = NULL; - b->shm = 0; - (void) XSetErrorHandler(old_handler); - return GL_FALSE; - } - - shmctl(b->shminfo.shmid, IPC_RMID, 0); /* nobody else needs it */ - - /* Finally, try an XShmPutImage to be really sure the extension works */ - gc = XCreateGC(b->xm_visual->display, b->frontxrb->drawable, 0, NULL); - XShmPutImage(b->xm_visual->display, b->frontxrb->drawable, gc, - b->backxrb->ximage, 0, 0, 0, 0, 1, 1 /*one pixel*/, False); - XSync(b->xm_visual->display, False); - XFreeGC(b->xm_visual->display, gc); - (void) XSetErrorHandler(old_handler); - if (mesaXErrorFlag) { - XFlush(b->xm_visual->display); - mesaXErrorFlag = 0; - XDestroyImage(b->backxrb->ximage); - shmdt(b->shminfo.shmaddr); - shmctl(b->shminfo.shmid, IPC_RMID, 0); - b->backxrb->ximage = NULL; - b->shm = 0; - return GL_FALSE; - } - - return GL_TRUE; -} -#else -static GLboolean -alloc_back_shm_ximage(XMesaBuffer b, GLuint width, GLuint height) -{ - /* Can't compile XSHM support */ - return GL_FALSE; -} -#endif - - -/** - * \return LSBFirst or MSBFirst - */ -static int host_byte_order( void ) -{ - int i = 1; - char *cptr = (char *) &i; - return (*cptr==1) ? LSBFirst : MSBFirst; -} - - -/** - * Setup an off-screen pixmap or Ximage to use as the back buffer. - * Input: b - the X/Mesa buffer - */ -static void -alloc_back_buffer(XMesaBuffer b, GLuint width, GLuint height) -{ - if (b->db_mode == BACK_XIMAGE) { - /* Deallocate the old backxrb->ximage, if any */ - if (b->backxrb->ximage) { -#if defined(USE_XSHM) && !defined(XFree86Server) - if (b->shm) { - XShmDetach(b->xm_visual->display, &b->shminfo); - XDestroyImage(b->backxrb->ximage); - shmdt(b->shminfo.shmaddr); - } - else -#endif - XMesaDestroyImage(b->backxrb->ximage); - b->backxrb->ximage = NULL; - } - - if (width == 0 || height == 0) - return; - - /* Allocate new back buffer */ - if (b->shm == 0 || !alloc_back_shm_ximage(b, width, height)) { - /* Allocate a regular XImage for the back buffer. */ -#ifdef XFree86Server - b->backxrb->ximage = XMesaCreateImage(b->xm_visual->BitsPerPixel, - width, height, NULL); -#else - b->backxrb->ximage = XCreateImage(b->xm_visual->display, - b->xm_visual->visinfo->visual, - GET_VISUAL_DEPTH(b->xm_visual), - ZPixmap, 0, /* format, offset */ - NULL, - width, height, - 8, 0); /* pad, bytes_per_line */ -#endif - if (!b->backxrb->ximage) { - _mesa_warning(NULL, "alloc_back_buffer: XCreateImage failed.\n"); - return; - } - b->backxrb->ximage->data = (char *) MALLOC(b->backxrb->ximage->height - * b->backxrb->ximage->bytes_per_line); - if (!b->backxrb->ximage->data) { - _mesa_warning(NULL, "alloc_back_buffer: MALLOC failed.\n"); - XMesaDestroyImage(b->backxrb->ximage); - b->backxrb->ximage = NULL; - } - } - b->backxrb->pixmap = None; - } - else if (b->db_mode == BACK_PIXMAP) { - /* Free the old back pixmap */ - if (b->backxrb->pixmap) { - XMesaFreePixmap(b->xm_visual->display, b->backxrb->pixmap); - b->backxrb->pixmap = 0; - } - - if (width > 0 && height > 0) { - /* Allocate new back pixmap */ - b->backxrb->pixmap = XMesaCreatePixmap(b->xm_visual->display, - b->frontxrb->drawable, - width, height, - GET_VISUAL_DEPTH(b->xm_visual)); - } - - b->backxrb->ximage = NULL; - } -} - - -static void -xmesa_delete_renderbuffer(struct gl_renderbuffer *rb) -{ - struct xmesa_renderbuffer *xrb = xmesa_renderbuffer(rb); - if (xrb->St.surface) { - struct pipe_winsys *ws = xrb->St.surface->winsys; - ws->surface_release(ws, &xrb->St.surface); - } - - /* XXX Note: the ximage or Pixmap attached to this renderbuffer - * should probably get freed here, but that's currently done in - * XMesaDestroyBuffer(). - */ - _mesa_free(rb); -} - - -static void -finish_surface_init(GLcontext *ctx, struct xmesa_renderbuffer *xrb) -{ - struct pipe_context *pipe = ctx->st->pipe; - if (!xrb->St.surface->buffer) { - xrb->St.surface->buffer = pipe->winsys->buffer_create(pipe->winsys, 0x0); - } -} - - -/** - * Reallocate renderbuffer storage for front color buffer. - * Called via gl_renderbuffer::AllocStorage() - */ -static GLboolean -xmesa_alloc_front_storage(GLcontext *ctx, struct gl_renderbuffer *rb, - GLenum internalFormat, GLuint width, GLuint height) -{ - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = xmesa_renderbuffer(rb); - struct xmesa_surface *xms = xmesa_surface(xrb->St.surface); - - /* just clear these to be sure we don't accidentally use them */ - xrb->origin1 = NULL; - xrb->origin2 = NULL; - xrb->origin3 = NULL; - xrb->origin4 = NULL; - - /* for the FLIP macro: */ - xrb->bottom = height - 1; - - rb->Width = width; - rb->Height = height; - rb->InternalFormat = internalFormat; - - if (!xrb->St.surface || !xrb->St.surface->buffer) - finish_surface_init(ctx, xrb); - - /* surface info */ - xms->surface.width = width; - xms->surface.height = height; - xms->display = xmesa->display; - xms->drawable = xrb->drawable; - xms->gc = xrb->Parent->cleargc; - xms->ximage = NULL; - - return GL_TRUE; -} - - -/** - * Reallocate renderbuffer storage for back color buffer. - * Called via gl_renderbuffer::AllocStorage() - */ -static GLboolean -xmesa_alloc_back_storage(GLcontext *ctx, struct gl_renderbuffer *rb, - GLenum internalFormat, GLuint width, GLuint height) -{ - const XMesaContext xmesa = XMESA_CONTEXT(ctx); - struct xmesa_renderbuffer *xrb = xmesa_renderbuffer(rb); - struct xmesa_surface *xms = xmesa_surface(xrb->St.surface); - - /* reallocate the back buffer XImage or Pixmap */ - assert(xrb->Parent); - alloc_back_buffer(xrb->Parent, width, height); - - /* same as front buffer */ - /* XXX why is this here? */ - (void) xmesa_alloc_front_storage(ctx, rb, internalFormat, width, height); - - /* plus... */ - if (xrb->ximage) { - /* Needed by PIXELADDR1 macro */ - xrb->width1 = xrb->ximage->bytes_per_line; - xrb->origin1 = (GLubyte *) xrb->ximage->data + xrb->width1 * (height - 1); - - /* Needed by PIXELADDR2 macro */ - xrb->width2 = xrb->ximage->bytes_per_line / 2; - xrb->origin2 = (GLushort *) xrb->ximage->data + xrb->width2 * (height - 1); - - /* Needed by PIXELADDR3 macro */ - xrb->width3 = xrb->ximage->bytes_per_line; - xrb->origin3 = (GLubyte *) xrb->ximage->data + xrb->width3 * (height - 1); - - /* Needed by PIXELADDR4 macro */ - xrb->width4 = xrb->ximage->width; - xrb->origin4 = (GLuint *) xrb->ximage->data + xrb->width4 * (height - 1); - } - else { - /* out of memory or buffer size is 0 x 0 */ - xrb->width1 = xrb->width2 = xrb->width3 = xrb->width4 = 0; - xrb->origin1 = NULL; - xrb->origin2 = NULL; - xrb->origin3 = NULL; - xrb->origin4 = NULL; - } - - if (!xrb->St.surface || !xrb->St.surface->buffer) - finish_surface_init(ctx, xrb); - - xrb->St.surface->width = width; - xrb->St.surface->height = height; - - /* surface info */ - xms->surface.width = width; - xms->surface.height = height; - xms->display = xmesa->display; - xms->drawable = xrb->drawable; - xms->gc = xrb->Parent->cleargc; - xms->ximage = xrb->ximage; - - return GL_TRUE; -} - - -/** - * Called to create the front/back color renderbuffers, not user-created - * renderbuffers. - */ -struct xmesa_renderbuffer * -xmesa_create_renderbuffer(struct pipe_winsys *winsys, - GLuint name, XMesaVisual xmvis, - GLboolean backBuffer) -{ - const GLvisual *visual = &xmvis->mesa_visual; - int byteOrder = ImageByteOrder(xmvis->display); /* LSBFirst or MSBFirst */ - struct xmesa_renderbuffer *xrb = CALLOC_STRUCT(xmesa_renderbuffer); - if (xrb) { - GLuint name = 0; - GLuint pipeFormat = 0; - struct xmesa_surface *xms; - - _mesa_init_renderbuffer(&xrb->St.Base, name); - - xrb->St.Base.Delete = xmesa_delete_renderbuffer; - if (backBuffer) - xrb->St.Base.AllocStorage = xmesa_alloc_back_storage; - else - xrb->St.Base.AllocStorage = xmesa_alloc_front_storage; - - if (visual->rgbMode) { - xrb->St.Base.InternalFormat = GL_RGBA; - xrb->St.Base._BaseFormat = GL_RGBA; - xrb->St.Base.DataType = GL_UNSIGNED_BYTE; - xrb->St.Base.RedBits = visual->redBits; - xrb->St.Base.GreenBits = visual->greenBits; - xrb->St.Base.BlueBits = visual->blueBits; - xrb->St.Base.AlphaBits = visual->alphaBits; - if (visual->redMask == 0xff0000 && - visual->greenMask == 0x00ff00 && - visual->blueMask == 0x0000ff) { - if (host_byte_order() != byteOrder) { - pipeFormat = PIPE_FORMAT_U_B8_G8_R8_A8; - /*printf("Using format B8_G8_R8_A8 (LE dpy)\n");*/ - } - else { - pipeFormat = PIPE_FORMAT_U_A8_R8_G8_B8; - /*printf("Using format A8_R8_G8_B8 (BE dpy)\n");*/ - } - } - else { - assert(0); - } - } - else { - xrb->St.Base.InternalFormat = GL_COLOR_INDEX; - xrb->St.Base._BaseFormat = GL_COLOR_INDEX; - xrb->St.Base.DataType = GL_UNSIGNED_INT; - xrb->St.Base.IndexBits = visual->indexBits; - } - /* only need to set Red/Green/EtcBits fields for user-created RBs */ - xrb->St.surface = xmesa_new_color_surface(winsys, pipeFormat); - xms = (struct xmesa_surface *) xrb->St.surface; - xms->xrb = xrb; - } - return xrb; -} - - -/** - * Called via gl_framebuffer::Delete() method when this buffer - * is _really_ being deleted. - */ -void -xmesa_delete_framebuffer(struct gl_framebuffer *fb) -{ - XMesaBuffer b = XMESA_BUFFER(fb); - - if (b->num_alloced > 0) { - /* If no other buffer uses this X colormap then free the colors. */ - if (!xmesa_find_buffer(b->display, b->cmap, b)) { -#ifdef XFree86Server - int client = 0; - if (b->drawable) - client = CLIENT_ID(b->drawable->id); - (void)FreeColors(b->cmap, client, - b->num_alloced, b->alloced_colors, 0); -#else - XFreeColors(b->display, b->cmap, - b->alloced_colors, b->num_alloced, 0); -#endif - } - } - - if (b->gc) - XMesaFreeGC(b->display, b->gc); - if (b->cleargc) - XMesaFreeGC(b->display, b->cleargc); - if (b->swapgc) - XMesaFreeGC(b->display, b->swapgc); - - if (fb->Visual.doubleBufferMode) { - /* free back ximage/pixmap/shmregion */ - } - - if (b->rowimage) { - _mesa_free( b->rowimage->data ); - b->rowimage->data = NULL; - XMesaDestroyImage( b->rowimage ); - } - - _mesa_free_framebuffer_data(fb); - _mesa_free(fb); -} diff --git a/src/mesa/pipe/xlib/xm_surface.c b/src/mesa/pipe/xlib/xm_surface.c deleted file mode 100644 index 6f5c7ac6ec..0000000000 --- a/src/mesa/pipe/xlib/xm_surface.c +++ /dev/null @@ -1,94 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 7.1 - * - * 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"), - * 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. - */ - - -/** - * \file xm_surface.c - * Code to allow the softpipe code to write to X windows/buffers. - * This is a bit of a hack for now. We've basically got two different - * abstractions for color buffers: gl_renderbuffer and pipe_surface. - * They'll need to get merged someday... - * For now, they're separate things that point to each other. - */ - - -#include "GL/xmesa.h" -#include "glxheader.h" -#include "xmesaP.h" -#include "main/context.h" -#include "main/imports.h" -#include "main/macros.h" - -#include "pipe/p_context.h" -#include "pipe/p_defines.h" -#include "pipe/p_winsys.h" -#include "pipe/softpipe/sp_context.h" -#include "pipe/softpipe/sp_clear.h" -#include "pipe/softpipe/sp_tile_cache.h" -#include "pipe/softpipe/sp_surface.h" -#include "state_tracker/st_context.h" - - -/* - * Dithering kernels and lookup tables. - */ - -const int xmesa_kernel8[DITH_DY * DITH_DX] = { - 0 * MAXC, 8 * MAXC, 2 * MAXC, 10 * MAXC, - 12 * MAXC, 4 * MAXC, 14 * MAXC, 6 * MAXC, - 3 * MAXC, 11 * MAXC, 1 * MAXC, 9 * MAXC, - 15 * MAXC, 7 * MAXC, 13 * MAXC, 5 * MAXC, -}; - -const int xmesa_kernel1[16] = { - 0*47, 9*47, 4*47, 12*47, /* 47 = (255*3)/16 */ - 6*47, 2*47, 14*47, 8*47, - 10*47, 1*47, 5*47, 11*47, - 7*47, 13*47, 3*47, 15*47 -}; - - - - -/** XXX unfinished sketch... */ -struct pipe_surface * -xmesa_create_front_surface(XMesaVisual vis, Window win) -{ - struct xmesa_surface *xms = CALLOC_STRUCT(xmesa_surface); - if (!xms) { - return NULL; - } - - xms->display = vis->display; - xms->drawable = win; - - xms->surface.format = PIPE_FORMAT_U_A8_R8_G8_B8; - xms->surface.refcount = 1; -#if 0 - xms->surface.region = pipe->winsys->region_alloc(pipe->winsys, - 1, 0, 0, 0x0); -#endif - return &xms->surface; -} - |