diff options
Diffstat (limited to 'src/gallium/state_trackers/egl_g3d/x11/x11_screen.c')
| -rw-r--r-- | src/gallium/state_trackers/egl_g3d/x11/x11_screen.c | 453 |
1 files changed, 0 insertions, 453 deletions
diff --git a/src/gallium/state_trackers/egl_g3d/x11/x11_screen.c b/src/gallium/state_trackers/egl_g3d/x11/x11_screen.c deleted file mode 100644 index 76ce45ee57..0000000000 --- a/src/gallium/state_trackers/egl_g3d/x11/x11_screen.c +++ /dev/null @@ -1,453 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 7.8 - * - * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org> - * - * 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. - */ - -#include <unistd.h> -#include <fcntl.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <X11/Xlibint.h> -#include <X11/extensions/XShm.h> -#include "util/u_memory.h" -#include "util/u_math.h" -#include "util/u_format.h" -#include "xf86drm.h" -#include "egllog.h" - -#include "x11_screen.h" -#include "dri2.h" -#include "glxinit.h" - -struct x11_screen { - Display *dpy; - int number; - - /* - * This is used to fetch GLX visuals/fbconfigs. It uses code from egl_xdri. - * It might be better to rewrite the part in Xlib or XCB. - */ - __GLXdisplayPrivate *glx_dpy; - - int dri_major, dri_minor; - char *dri_driver; - char *dri_device; - int dri_fd; - - XVisualInfo *visuals; - int num_visuals; - - /* cached values for x11_drawable_get_depth */ - Drawable last_drawable; - unsigned int last_depth; -}; - - -/** - * Create a X11 screen. - */ -struct x11_screen * -x11_screen_create(Display *dpy, int screen) -{ - struct x11_screen *xscr; - - if (screen >= ScreenCount(dpy)) - return NULL; - - xscr = CALLOC_STRUCT(x11_screen); - if (xscr) { - xscr->dpy = dpy; - xscr->number = screen; - - xscr->dri_major = -1; - xscr->dri_fd = -1; - } - return xscr; -} - -/** - * Destroy a X11 screen. - */ -void -x11_screen_destroy(struct x11_screen *xscr) -{ - if (xscr->dri_fd >= 0) - close(xscr->dri_fd); - if (xscr->dri_driver) - Xfree(xscr->dri_driver); - if (xscr->dri_device) - Xfree(xscr->dri_device); - - /* xscr->glx_dpy will be destroyed with the X display */ - - if (xscr->visuals) - XFree(xscr->visuals); - free(xscr); -} - -static boolean -x11_screen_init_dri2(struct x11_screen *xscr) -{ - if (xscr->dri_major < 0) { - int eventBase, errorBase; - - if (!DRI2QueryExtension(xscr->dpy, &eventBase, &errorBase) || - !DRI2QueryVersion(xscr->dpy, &xscr->dri_major, &xscr->dri_minor)) - xscr->dri_major = -1; - } - return (xscr->dri_major >= 0); -} - -static boolean -x11_screen_init_glx(struct x11_screen *xscr) -{ - if (!xscr->glx_dpy) - xscr->glx_dpy = __glXInitialize(xscr->dpy); - return (xscr->glx_dpy != NULL); -} - -/** - * Return true if the screen supports the extension. - */ -boolean -x11_screen_support(struct x11_screen *xscr, enum x11_screen_extension ext) -{ - boolean supported = FALSE; - - switch (ext) { - case X11_SCREEN_EXTENSION_XSHM: - supported = XShmQueryExtension(xscr->dpy); - break; - case X11_SCREEN_EXTENSION_GLX: - supported = x11_screen_init_glx(xscr); - break; - case X11_SCREEN_EXTENSION_DRI2: - supported = x11_screen_init_dri2(xscr); - break; - default: - break; - } - - return supported; -} - -/** - * Return the X visuals. - */ -const XVisualInfo * -x11_screen_get_visuals(struct x11_screen *xscr, int *num_visuals) -{ - if (!xscr->visuals) { - XVisualInfo vinfo_template; - vinfo_template.screen = xscr->number; - xscr->visuals = XGetVisualInfo(xscr->dpy, VisualScreenMask, - &vinfo_template, &xscr->num_visuals); - } - - if (num_visuals) - *num_visuals = xscr->num_visuals; - return xscr->visuals; -} - -void -x11_screen_convert_visual(struct x11_screen *xscr, const XVisualInfo *visual, - __GLcontextModes *mode) -{ - int r, g, b, a; - int visual_type; - - r = util_bitcount(visual->red_mask); - g = util_bitcount(visual->green_mask); - b = util_bitcount(visual->blue_mask); - a = visual->depth - (r + g + b); -#if defined(__cplusplus) || defined(c_plusplus) - visual_type = visual->c_class; -#else - visual_type = visual->class; -#endif - - /* convert to GLX visual type */ - switch (visual_type) { - case TrueColor: - visual_type = GLX_TRUE_COLOR; - break; - case DirectColor: - visual_type = GLX_DIRECT_COLOR; - break; - case PseudoColor: - visual_type = GLX_PSEUDO_COLOR; - break; - case StaticColor: - visual_type = GLX_STATIC_COLOR; - break; - case GrayScale: - visual_type = GLX_GRAY_SCALE; - break; - case StaticGray: - visual_type = GLX_STATIC_GRAY; - break; - default: - visual_type = GLX_NONE; - break; - } - - mode->rgbBits = r + g + b + a; - mode->redBits = r; - mode->greenBits = g; - mode->blueBits = b; - mode->alphaBits = a; - mode->visualID = visual->visualid; - mode->visualType = visual_type; - - /* sane defaults */ - mode->renderType = GLX_RGBA_BIT; - mode->rgbMode = TRUE; - mode->visualRating = GLX_SLOW_CONFIG; - mode->xRenderable = TRUE; -} - -/** - * Return the GLX fbconfigs. - */ -const __GLcontextModes * -x11_screen_get_glx_configs(struct x11_screen *xscr) -{ - return (x11_screen_init_glx(xscr)) - ? xscr->glx_dpy->screenConfigs[xscr->number].configs - : NULL; -} - -/** - * Return the GLX visuals. - */ -const __GLcontextModes * -x11_screen_get_glx_visuals(struct x11_screen *xscr) -{ - return (x11_screen_init_glx(xscr)) - ? xscr->glx_dpy->screenConfigs[xscr->number].visuals - : NULL; -} - -static boolean -x11_screen_is_driver_equal(struct x11_screen *xscr, const char *driver) -{ - return (strcmp(xscr->dri_driver, driver) == 0); -} - -/** - * Probe the screen for the DRI2 driver name. - */ -const char * -x11_screen_probe_dri2(struct x11_screen *xscr) -{ - /* get the driver name and the device name */ - if (!xscr->dri_driver) { - if (!DRI2Connect(xscr->dpy, RootWindow(xscr->dpy, xscr->number), - &xscr->dri_driver, &xscr->dri_device)) - xscr->dri_driver = xscr->dri_device = NULL; - } - - return xscr->dri_driver; -} - -/** - * Enable DRI2 and returns the file descriptor of the DRM device. The file - * descriptor will be closed automatically when the screen is destoryed. - */ -int -x11_screen_enable_dri2(struct x11_screen *xscr, const char *driver) -{ - if (xscr->dri_fd < 0) { - int fd; - drm_magic_t magic; - - /* get the driver name and the device name first */ - if (!x11_screen_probe_dri2(xscr)) - return -1; - - if (!x11_screen_is_driver_equal(xscr, driver)) { - _eglLog(_EGL_WARNING, "Driver mismatch: %s != %s", - xscr->dri_driver, driver); - return -1; - } - - fd = open(xscr->dri_device, O_RDWR); - if (fd < 0) { - _eglLog(_EGL_WARNING, "failed to open %s", xscr->dri_device); - return -1; - } - - memset(&magic, 0, sizeof(magic)); - if (drmGetMagic(fd, &magic)) { - _eglLog(_EGL_WARNING, "failed to get magic"); - close(fd); - return -1; - } - - if (!DRI2Authenticate(xscr->dpy, - RootWindow(xscr->dpy, xscr->number), magic)) { - _eglLog(_EGL_WARNING, "failed to authenticate magic"); - close(fd); - return -1; - } - - xscr->dri_fd = fd; - } - - return xscr->dri_fd; -} - -/** - * Create/Destroy the DRI drawable. - */ -void -x11_drawable_enable_dri2(struct x11_screen *xscr, - Drawable drawable, boolean on) -{ - if (on) - DRI2CreateDrawable(xscr->dpy, drawable); - else - DRI2DestroyDrawable(xscr->dpy, drawable); -} - -/** - * Copy between buffers of the DRI2 drawable. - */ -void -x11_drawable_copy_buffers(struct x11_screen *xscr, Drawable drawable, - int x, int y, int width, int height, - int src_buf, int dst_buf) -{ - XRectangle rect; - XserverRegion region; - - rect.x = x; - rect.y = y; - rect.width = width; - rect.height = height; - - region = XFixesCreateRegion(xscr->dpy, &rect, 1); - DRI2CopyRegion(xscr->dpy, drawable, region, dst_buf, src_buf); - XFixesDestroyRegion(xscr->dpy, region); -} - -/** - * Get the buffers of the DRI2 drawable. The returned array should be freed. - */ -struct x11_drawable_buffer * -x11_drawable_get_buffers(struct x11_screen *xscr, Drawable drawable, - int *width, int *height, unsigned int *attachments, - boolean with_format, int num_ins, int *num_outs) -{ - DRI2Buffer *dri2bufs; - - if (with_format) - dri2bufs = DRI2GetBuffersWithFormat(xscr->dpy, drawable, width, height, - attachments, num_ins, num_outs); - else - dri2bufs = DRI2GetBuffers(xscr->dpy, drawable, width, height, - attachments, num_ins, num_outs); - - return (struct x11_drawable_buffer *) dri2bufs; -} - -/** - * Return the depth of a drawable. - * - * Unlike other drawable functions, the drawable needs not be a DRI2 drawable. - */ -uint -x11_drawable_get_depth(struct x11_screen *xscr, Drawable drawable) -{ - unsigned int depth; - - if (drawable != xscr->last_drawable) { - Window root; - int x, y; - unsigned int w, h, border; - Status ok; - - ok = XGetGeometry(xscr->dpy, drawable, &root, - &x, &y, &w, &h, &border, &depth); - if (!ok) - depth = 0; - - xscr->last_drawable = drawable; - xscr->last_depth = depth; - } - else { - depth = xscr->last_depth; - } - - return depth; -} - -/** - * Create a mode list of the given size. - */ -__GLcontextModes * -x11_context_modes_create(unsigned count) -{ - const size_t size = sizeof(__GLcontextModes); - __GLcontextModes *base = NULL; - __GLcontextModes **next; - unsigned i; - - next = &base; - for (i = 0; i < count; i++) { - *next = (__GLcontextModes *) calloc(1, size); - if (*next == NULL) { - x11_context_modes_destroy(base); - base = NULL; - break; - } - next = &((*next)->next); - } - - return base; -} - -/** - * Destroy a mode list. - */ -void -x11_context_modes_destroy(__GLcontextModes *modes) -{ - while (modes != NULL) { - __GLcontextModes *next = modes->next; - free(modes); - modes = next; - } -} - -/** - * Return the number of the modes in the mode list. - */ -unsigned -x11_context_modes_count(const __GLcontextModes *modes) -{ - const __GLcontextModes *mode; - int count = 0; - for (mode = modes; mode; mode = mode->next) - count++; - return count; -} |