diff options
Diffstat (limited to 'src/glx/x11/dri_common.c')
| -rw-r--r-- | src/glx/x11/dri_common.c | 399 |
1 files changed, 0 insertions, 399 deletions
diff --git a/src/glx/x11/dri_common.c b/src/glx/x11/dri_common.c deleted file mode 100644 index b159d193a5..0000000000 --- a/src/glx/x11/dri_common.c +++ /dev/null @@ -1,399 +0,0 @@ -/* - * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright © 2008 Red Hat, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Soft- - * ware"), to deal in the Software without restriction, including without - * limitation the rights to use, copy, modify, merge, publish, distribute, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, provided that the above copyright - * notice(s) and this permission notice appear in all copies of the Soft- - * ware and that both the above copyright notice(s) and this permission - * notice appear in supporting documentation. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL- - * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY - * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN - * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE- - * QUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, - * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER - * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFOR- - * MANCE OF THIS SOFTWARE. - * - * Except as contained in this notice, the name of a copyright holder shall - * not be used in advertising or otherwise to promote the sale, use or - * other dealings in this Software without prior written authorization of - * the copyright holder. - * - * Authors: - * Kevin E. Martin <kevin@precisioninsight.com> - * Brian Paul <brian@precisioninsight.com> - * Kristian Høgsberg (krh@redhat.com) - */ - -#ifdef GLX_DIRECT_RENDERING - -#include <unistd.h> -#include <dlfcn.h> -#include "glheader.h" -#include "glxclient.h" -#include "glcontextmodes.h" -#include "dri_common.h" - -#ifndef RTLD_NOW -#define RTLD_NOW 0 -#endif -#ifndef RTLD_GLOBAL -#define RTLD_GLOBAL 0 -#endif - -_X_HIDDEN void InfoMessageF(const char *f, ...) -{ - va_list args; - const char *env; - - if ((env = getenv("LIBGL_DEBUG")) && strstr(env, "verbose")) { - fprintf(stderr, "libGL: "); - va_start(args, f); - vfprintf(stderr, f, args); - va_end(args); - } -} - -/** - * Print error to stderr, unless LIBGL_DEBUG=="quiet". - */ -_X_HIDDEN void ErrorMessageF(const char *f, ...) -{ - va_list args; - const char *env; - - if ((env = getenv("LIBGL_DEBUG")) && !strstr(env, "quiet")) { - fprintf(stderr, "libGL error: "); - va_start(args, f); - vfprintf(stderr, f, args); - va_end(args); - } -} - -#ifndef DEFAULT_DRIVER_DIR -/* this is normally defined in Mesa/configs/default with DRI_DRIVER_SEARCH_PATH */ -#define DEFAULT_DRIVER_DIR "/usr/local/lib/dri" -#endif - -/** - * Try to \c dlopen the named driver. - * - * This function adds the "_dri.so" suffix to the driver name and searches the - * directories specified by the \c LIBGL_DRIVERS_PATH environment variable in - * order to find the driver. - * - * \param driverName - a name like "tdfx", "i810", "mga", etc. - * - * \returns - * A handle from \c dlopen, or \c NULL if driver file not found. - */ -_X_HIDDEN void *driOpenDriver(const char *driverName) -{ - void *glhandle, *handle; - const char *libPaths, *p, *next; - char realDriverName[200]; - int len; - - /* Attempt to make sure libGL symbols will be visible to the driver */ - glhandle = dlopen("libGL.so.1", RTLD_NOW | RTLD_GLOBAL); - - libPaths = NULL; - if (geteuid() == getuid()) { - /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */ - libPaths = getenv("LIBGL_DRIVERS_PATH"); - if (!libPaths) - libPaths = getenv("LIBGL_DRIVERS_DIR"); /* deprecated */ - } - if (libPaths == NULL) - libPaths = DEFAULT_DRIVER_DIR; - - handle = NULL; - for (p = libPaths; *p; p = next) { - next = strchr(p, ':'); - if (next == NULL) { - len = strlen(p); - next = p + len; - } else { - len = next - p; - next++; - } - -#ifdef GLX_USE_TLS - snprintf(realDriverName, sizeof realDriverName, - "%.*s/tls/%s_dri.so", len, p, driverName); - InfoMessageF("OpenDriver: trying %s\n", realDriverName); - handle = dlopen(realDriverName, RTLD_NOW | RTLD_GLOBAL); -#endif - - if ( handle == NULL ) { - snprintf(realDriverName, sizeof realDriverName, - "%.*s/%s_dri.so", len, p, driverName); - InfoMessageF("OpenDriver: trying %s\n", realDriverName); - handle = dlopen(realDriverName, RTLD_NOW | RTLD_GLOBAL); - } - - if ( handle != NULL ) - break; - else - ErrorMessageF("dlopen %s failed (%s)\n", realDriverName, dlerror()); - } - - if (!handle) - ErrorMessageF("unable to load driver: %s_dri.so\n", driverName); - - if (glhandle) - dlclose(glhandle); - - return handle; -} - -_X_HIDDEN const __DRIsystemTimeExtension systemTimeExtension = { - { __DRI_SYSTEM_TIME, __DRI_SYSTEM_TIME_VERSION }, - __glXGetUST, - __driGetMscRateOML -}; - -#define __ATTRIB(attrib, field) \ - { attrib, offsetof(__GLcontextModes, field) } - -static const struct { unsigned int attrib, offset; } attribMap[] = { - __ATTRIB(__DRI_ATTRIB_BUFFER_SIZE, rgbBits), - __ATTRIB(__DRI_ATTRIB_LEVEL, level), - __ATTRIB(__DRI_ATTRIB_RED_SIZE, redBits), - __ATTRIB(__DRI_ATTRIB_GREEN_SIZE, greenBits), - __ATTRIB(__DRI_ATTRIB_BLUE_SIZE, blueBits), - __ATTRIB(__DRI_ATTRIB_ALPHA_SIZE, alphaBits), - __ATTRIB(__DRI_ATTRIB_DEPTH_SIZE, depthBits), - __ATTRIB(__DRI_ATTRIB_STENCIL_SIZE, stencilBits), - __ATTRIB(__DRI_ATTRIB_ACCUM_RED_SIZE, accumRedBits), - __ATTRIB(__DRI_ATTRIB_ACCUM_GREEN_SIZE, accumGreenBits), - __ATTRIB(__DRI_ATTRIB_ACCUM_BLUE_SIZE, accumBlueBits), - __ATTRIB(__DRI_ATTRIB_ACCUM_ALPHA_SIZE, accumAlphaBits), - __ATTRIB(__DRI_ATTRIB_SAMPLE_BUFFERS, sampleBuffers), - __ATTRIB(__DRI_ATTRIB_SAMPLES, samples), - __ATTRIB(__DRI_ATTRIB_DOUBLE_BUFFER, doubleBufferMode), - __ATTRIB(__DRI_ATTRIB_STEREO, stereoMode), - __ATTRIB(__DRI_ATTRIB_AUX_BUFFERS, numAuxBuffers), -#if 0 - __ATTRIB(__DRI_ATTRIB_TRANSPARENT_TYPE, transparentPixel), - __ATTRIB(__DRI_ATTRIB_TRANSPARENT_INDEX_VALUE, transparentIndex), - __ATTRIB(__DRI_ATTRIB_TRANSPARENT_RED_VALUE, transparentRed), - __ATTRIB(__DRI_ATTRIB_TRANSPARENT_GREEN_VALUE, transparentGreen), - __ATTRIB(__DRI_ATTRIB_TRANSPARENT_BLUE_VALUE, transparentBlue), - __ATTRIB(__DRI_ATTRIB_TRANSPARENT_ALPHA_VALUE, transparentAlpha), - __ATTRIB(__DRI_ATTRIB_RED_MASK, redMask), - __ATTRIB(__DRI_ATTRIB_GREEN_MASK, greenMask), - __ATTRIB(__DRI_ATTRIB_BLUE_MASK, blueMask), - __ATTRIB(__DRI_ATTRIB_ALPHA_MASK, alphaMask), -#endif - __ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_WIDTH, maxPbufferWidth), - __ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_HEIGHT, maxPbufferHeight), - __ATTRIB(__DRI_ATTRIB_MAX_PBUFFER_PIXELS, maxPbufferPixels), - __ATTRIB(__DRI_ATTRIB_OPTIMAL_PBUFFER_WIDTH, optimalPbufferWidth), - __ATTRIB(__DRI_ATTRIB_OPTIMAL_PBUFFER_HEIGHT, optimalPbufferHeight), -#if 0 - __ATTRIB(__DRI_ATTRIB_SWAP_METHOD, swapMethod), -#endif - __ATTRIB(__DRI_ATTRIB_BIND_TO_TEXTURE_RGB, bindToTextureRgb), - __ATTRIB(__DRI_ATTRIB_BIND_TO_TEXTURE_RGBA, bindToTextureRgba), - __ATTRIB(__DRI_ATTRIB_BIND_TO_MIPMAP_TEXTURE, bindToMipmapTexture), - __ATTRIB(__DRI_ATTRIB_YINVERTED, yInverted), -}; - -#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0])) - -static int -scalarEqual(__GLcontextModes *mode, unsigned int attrib, unsigned int value) -{ - unsigned int glxValue; - int i; - - for (i = 0; i < ARRAY_SIZE(attribMap); i++) - if (attribMap[i].attrib == attrib) { - glxValue = *(unsigned int *) ((char *) mode + attribMap[i].offset); - return glxValue == GLX_DONT_CARE || glxValue == value; - } - - return GL_TRUE; /* Is a non-existing attribute equal to value? */ -} - -static int -driConfigEqual(const __DRIcoreExtension *core, - __GLcontextModes *modes, const __DRIconfig *driConfig) -{ - unsigned int attrib, value, glxValue; - int i; - - i = 0; - while (core->indexConfigAttrib(driConfig, i++, &attrib, &value)) { - switch (attrib) { - case __DRI_ATTRIB_RENDER_TYPE: - glxValue = 0; - if (value & __DRI_ATTRIB_RGBA_BIT) { - glxValue |= GLX_RGBA_BIT; - } else if (value & __DRI_ATTRIB_COLOR_INDEX_BIT) { - glxValue |= GLX_COLOR_INDEX_BIT; - } - if (glxValue != modes->renderType) - return GL_FALSE; - break; - - case __DRI_ATTRIB_CONFIG_CAVEAT: - if (value & __DRI_ATTRIB_NON_CONFORMANT_CONFIG) - glxValue = GLX_NON_CONFORMANT_CONFIG; - else if (value & __DRI_ATTRIB_SLOW_BIT) - glxValue = GLX_SLOW_CONFIG; - else - glxValue = GLX_NONE; - if (glxValue != modes->visualRating) - return GL_FALSE; - break; - - case __DRI_ATTRIB_BIND_TO_TEXTURE_TARGETS: - glxValue = 0; - if (value & __DRI_ATTRIB_TEXTURE_1D_BIT) - glxValue |= GLX_TEXTURE_1D_BIT_EXT; - if (value & __DRI_ATTRIB_TEXTURE_2D_BIT) - glxValue |= GLX_TEXTURE_2D_BIT_EXT; - if (value & __DRI_ATTRIB_TEXTURE_RECTANGLE_BIT) - glxValue |= GLX_TEXTURE_RECTANGLE_BIT_EXT; - if (modes->bindToTextureTargets != GLX_DONT_CARE && - glxValue != modes->bindToTextureTargets) - return GL_FALSE; - break; - - default: - if (!scalarEqual(modes, attrib, value)) - return GL_FALSE; - } - } - - return GL_TRUE; -} - -static __GLcontextModes * -createDriMode(const __DRIcoreExtension *core, - __GLcontextModes *modes, const __DRIconfig **driConfigs) -{ - __GLXDRIconfigPrivate *config; - int i; - - for (i = 0; driConfigs[i]; i++) { - if (driConfigEqual(core, modes, driConfigs[i])) - break; - } - - if (driConfigs[i] == NULL) - return NULL; - - config = Xmalloc(sizeof *config); - if (config == NULL) - return NULL; - - config->modes = *modes; - config->driConfig = driConfigs[i]; - - return &config->modes; -} - -_X_HIDDEN __GLcontextModes * -driConvertConfigs(const __DRIcoreExtension *core, - __GLcontextModes *modes, const __DRIconfig **configs) -{ - __GLcontextModes head, *tail, *m; - - tail = &head; - head.next = NULL; - for (m = modes; m; m = m->next) { - tail->next = createDriMode(core, m, configs); - if (tail->next == NULL) { - /* no matching dri config for m */ - continue; - } - - - tail = tail->next; - } - - _gl_context_modes_destroy(modes); - - return head.next; -} - -_X_HIDDEN void -driBindExtensions(__GLXscreenConfigs *psc) -{ - const __DRIextension **extensions; - int i; - - extensions = psc->core->getExtensions(psc->__driScreen); - - for (i = 0; extensions[i]; i++) { -#ifdef __DRI_COPY_SUB_BUFFER - if (strcmp(extensions[i]->name, __DRI_COPY_SUB_BUFFER) == 0) { - psc->copySubBuffer = (__DRIcopySubBufferExtension *) extensions[i]; - __glXEnableDirectExtension(psc, "GLX_MESA_copy_sub_buffer_bit"); - } -#endif - -#ifdef __DRI_SWAP_CONTROL - if (strcmp(extensions[i]->name, __DRI_SWAP_CONTROL) == 0) { - psc->swapControl = (__DRIswapControlExtension *) extensions[i]; - __glXEnableDirectExtension(psc, "GLX_SGI_swap_control"); - __glXEnableDirectExtension(psc, "GLX_MESA_swap_control"); - } -#endif - -#ifdef __DRI_ALLOCATE - if (strcmp(extensions[i]->name, __DRI_ALLOCATE) == 0) { - psc->allocate = (__DRIallocateExtension *) extensions[i]; - __glXEnableDirectExtension(psc, "GLX_MESA_allocate_memory"); - } -#endif - -#ifdef __DRI_FRAME_TRACKING - if (strcmp(extensions[i]->name, __DRI_FRAME_TRACKING) == 0) { - psc->frameTracking = (__DRIframeTrackingExtension *) extensions[i]; - __glXEnableDirectExtension(psc, "GLX_MESA_swap_frame_usage"); - } -#endif - -#ifdef __DRI_MEDIA_STREAM_COUNTER - if (strcmp(extensions[i]->name, __DRI_MEDIA_STREAM_COUNTER) == 0) { - psc->msc = (__DRImediaStreamCounterExtension *) extensions[i]; - __glXEnableDirectExtension(psc, "GLX_SGI_video_sync"); - } -#endif - -#ifdef __DRI_SWAP_BUFFER_COUNTER - /* No driver supports this at this time and the extension is - * not defined in dri_interface.h. Will enable - * GLX_OML_sync_control if implemented. */ -#endif - -#ifdef __DRI_READ_DRAWABLE - if (strcmp(extensions[i]->name, __DRI_READ_DRAWABLE) == 0) { - __glXEnableDirectExtension(psc, "GLX_SGI_make_current_read"); - } -#endif - -#ifdef __DRI_TEX_BUFFER - if (strcmp(extensions[i]->name, __DRI_TEX_BUFFER) == 0) { - psc->texBuffer = (__DRItexBufferExtension *) extensions[i]; - __glXEnableDirectExtension(psc, "GLX_EXT_texture_from_pixmap"); - } -#endif - - /* Ignore unknown extensions */ - } -} - -#endif /* GLX_DIRECT_RENDERING */ |