diff options
Diffstat (limited to 'src/glx')
| -rw-r--r-- | src/glx/x11/Makefile | 1 | ||||
| -rw-r--r-- | src/glx/x11/dri2_glx.c | 98 | ||||
| -rw-r--r-- | src/glx/x11/dri_common.c | 399 | ||||
| -rw-r--r-- | src/glx/x11/dri_common.h | 60 | ||||
| -rw-r--r-- | src/glx/x11/dri_glx.c | 463 |
5 files changed, 504 insertions, 517 deletions
diff --git a/src/glx/x11/Makefile b/src/glx/x11/Makefile index 894c3cf159..da8013c7f1 100644 --- a/src/glx/x11/Makefile +++ b/src/glx/x11/Makefile @@ -31,6 +31,7 @@ SOURCES = \ xfont.c \ glx_pbuffer.c \ glx_query.c \ + dri_common.c \ dri_glx.c \ XF86dri.c \ glxhash.c \ diff --git a/src/glx/x11/dri2_glx.c b/src/glx/x11/dri2_glx.c index f24492672b..b679c72c10 100644 --- a/src/glx/x11/dri2_glx.c +++ b/src/glx/x11/dri2_glx.c @@ -32,7 +32,6 @@ #ifdef GLX_DIRECT_RENDERING -#include <unistd.h> #include <X11/Xlib.h> #include <X11/extensions/Xfixes.h> #include <X11/extensions/Xdamage.h> @@ -46,18 +45,10 @@ #include <sys/mman.h> #include "xf86drm.h" #include "dri2.h" - - -#ifndef RTLD_NOW -#define RTLD_NOW 0 -#endif -#ifndef RTLD_GLOBAL -#define RTLD_GLOBAL 0 -#endif +#include "dri_common.h" typedef struct __GLXDRIdisplayPrivateRec __GLXDRIdisplayPrivate; typedef struct __GLXDRIcontextPrivateRec __GLXDRIcontextPrivate; -typedef struct __GLXDRIconfigPrivateRec __GLXDRIconfigPrivate; struct __GLXDRIdisplayPrivateRec { __GLXDRIdisplay base; @@ -76,11 +67,6 @@ struct __GLXDRIcontextPrivateRec { __GLXscreenConfigs *psc; }; -struct __GLXDRIconfigPrivateRec { - __GLcontextModes modes; - const __DRIconfig *driConfig; -}; - static void dri2DestroyContext(__GLXDRIcontext *context, __GLXscreenConfigs *psc, Display *dpy) { @@ -253,94 +239,12 @@ static const __DRIloaderExtension dri2LoaderExtension = { dri2PostDamage }; -_X_HIDDEN const __DRIsystemTimeExtension systemTimeExtension; - static const __DRIextension *loader_extensions[] = { &dri2LoaderExtension.base, &systemTimeExtension.base, NULL }; -/* We need a dri_common.h type-of-thing. */ - -extern void ErrorMessageF(const char *f, ...); - -extern void *driOpenDriver(const char *driverName); - -extern __GLcontextModes * -driConvertConfigs(const __DRIcoreExtension *core, - __GLcontextModes *modes, const __DRIconfig **configs); - -extern void driBindExtensions(__GLXscreenConfigs *psc); - -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 */ - } -} - static __GLXDRIscreen *dri2CreateScreen(__GLXscreenConfigs *psc, int screen, __GLXdisplayPrivate *priv) { diff --git a/src/glx/x11/dri_common.c b/src/glx/x11/dri_common.c new file mode 100644 index 0000000000..b159d193a5 --- /dev/null +++ b/src/glx/x11/dri_common.c @@ -0,0 +1,399 @@ +/* + * 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 */ diff --git a/src/glx/x11/dri_common.h b/src/glx/x11/dri_common.h new file mode 100644 index 0000000000..3556510335 --- /dev/null +++ b/src/glx/x11/dri_common.h @@ -0,0 +1,60 @@ +/* + * 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) + */ + +#ifndef _DRI_COMMON_H +#define _DRI_COMMON_H + +typedef struct __GLXDRIconfigPrivateRec __GLXDRIconfigPrivate; + +struct __GLXDRIconfigPrivateRec { + __GLcontextModes modes; + const __DRIconfig *driConfig; +}; + +extern __GLcontextModes * +driConvertConfigs(const __DRIcoreExtension *core, + __GLcontextModes *modes, const __DRIconfig **configs); + +extern const __DRIsystemTimeExtension systemTimeExtension; + +extern void InfoMessageF(const char *f, ...); + +extern void ErrorMessageF(const char *f, ...); + +extern void *driOpenDriver(const char *driverName); + +extern void driBindExtensions(__GLXscreenConfigs *psc); + +#endif /* _DRI_COMMON_H */ diff --git a/src/glx/x11/dri_glx.c b/src/glx/x11/dri_glx.c index da4824f172..7435f2719d 100644 --- a/src/glx/x11/dri_glx.c +++ b/src/glx/x11/dri_glx.c @@ -34,7 +34,6 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #ifdef GLX_DIRECT_RENDERING -#include <unistd.h> #include <X11/Xlib.h> #include <X11/extensions/Xfixes.h> #include <X11/extensions/Xdamage.h> @@ -47,17 +46,10 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. #include <sys/types.h> #include <sys/mman.h> #include "xf86drm.h" - -#ifndef RTLD_NOW -#define RTLD_NOW 0 -#endif -#ifndef RTLD_GLOBAL -#define RTLD_GLOBAL 0 -#endif +#include "dri_common.h" typedef struct __GLXDRIdisplayPrivateRec __GLXDRIdisplayPrivate; typedef struct __GLXDRIcontextPrivateRec __GLXDRIcontextPrivate; -typedef struct __GLXDRIconfigPrivateRec __GLXDRIconfigPrivate; struct __GLXDRIdisplayPrivateRec { __GLXDRIdisplay base; @@ -77,128 +69,12 @@ struct __GLXDRIcontextPrivateRec { __GLXscreenConfigs *psc; }; -struct __GLXDRIconfigPrivateRec { - __GLcontextModes modes; - const __DRIconfig *driConfig; -}; - -#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 - -static 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); - } -} - -extern void ErrorMessageF(const char *f, ...); - -/** - * 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); - } -} - -extern void *driOpenDriver(const char *driverName); - -/** - * 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; -} - - /* * Given a display pointer and screen number, determine the name of * the DRI driver for the screen. (I.e. "r128", "tdfx", etc). * Return True for success, False for failure. */ -static Bool GetDriverName(Display *dpy, int scrNum, char **driverName) +static Bool driGetDriverName(Display *dpy, int scrNum, char **driverName) { int directCapable; Bool b; @@ -228,25 +104,6 @@ static Bool GetDriverName(Display *dpy, int scrNum, char **driverName) return True; } - -/* - * Given a display pointer and screen number, return a __DRIdriver handle. - * Return NULL if anything goes wrong. - */ -static void *driGetDriver(Display *dpy, int scrNum) -{ - char *driverName; - void *ret; - - if (GetDriverName(dpy, scrNum, &driverName)) { - ret = driOpenDriver(driverName); - if (driverName) - Xfree(driverName); - return ret; - } - return NULL; -} - /* * Exported function for querying the DRI driver for a given screen. * @@ -256,7 +113,7 @@ static void *driGetDriver(Display *dpy, int scrNum) PUBLIC const char *glXGetScreenDriver (Display *dpy, int scrNum) { static char ret[32]; char *driverName; - if (GetDriverName(dpy, scrNum, &driverName)) { + if (driGetDriverName(dpy, scrNum, &driverName)) { int len; if (!driverName) return NULL; @@ -270,7 +127,6 @@ PUBLIC const char *glXGetScreenDriver (Display *dpy, int scrNum) { return NULL; } - /* * Exported function for obtaining a driver's option list (UTF-8 encoded XML). * @@ -291,63 +147,6 @@ PUBLIC const char *glXGetDriverConfig (const char *driverName) return NULL; } -extern void -driFilterModes(__GLcontextModes ** server_modes, - const __GLcontextModes * driver_modes); - -_X_HIDDEN void -driFilterModes(__GLcontextModes ** server_modes, - const __GLcontextModes * driver_modes) -{ - __GLcontextModes * m; - __GLcontextModes ** prev_next; - const __GLcontextModes * check; - - if (driver_modes == NULL) { - fprintf(stderr, "libGL warning: 3D driver returned no fbconfigs.\n"); - return; - } - - /* For each mode in server_modes, check to see if a matching mode exists - * in driver_modes. If not, then the mode is not available. - */ - - prev_next = server_modes; - for ( m = *prev_next ; m != NULL ; m = *prev_next ) { - GLboolean do_delete = GL_TRUE; - - for ( check = driver_modes ; check != NULL ; check = check->next ) { - if ( _gl_context_modes_are_same( m, check ) ) { - do_delete = GL_FALSE; - break; - } - } - - /* The 3D has to support all the modes that match the GLX visuals - * sent from the X server. - */ - if ( do_delete && (m->visualID != 0) ) { - do_delete = GL_FALSE; - - /* don't warn for this visual (Novell #247471 / X.Org #6689) */ - if (m->visualRating != GLX_NON_CONFORMANT_CONFIG) { - fprintf(stderr, "libGL warning: 3D driver claims to not " - "support visual 0x%02x\n", m->visualID); - } - } - - if ( do_delete ) { - *prev_next = m->next; - - m->next = NULL; - _gl_context_modes_destroy( m ); - } - else { - prev_next = & m->next; - } - } -} - #ifdef XDAMAGE_1_1_INTERFACE static GLboolean has_damage_post(Display *dpy) @@ -442,12 +241,6 @@ __glXDRIGetDrawableInfo(__DRIdrawable *drawable, numBackClipRects, pBackClipRects); } -_X_HIDDEN const __DRIsystemTimeExtension systemTimeExtension = { - { __DRI_SYSTEM_TIME, __DRI_SYSTEM_TIME_VERSION }, - __glXGetUST, - __driGetMscRateOML, -}; - static const __DRIgetDrawableInfoExtension getDrawableInfoExtension = { { __DRI_GET_DRAWABLE_INFO, __DRI_GET_DRAWABLE_INFO_VERSION }, __glXDRIGetDrawableInfo @@ -456,185 +249,12 @@ static const __DRIgetDrawableInfoExtension getDrawableInfoExtension = { static const __DRIextension *loader_extensions[] = { &systemTimeExtension.base, &getDrawableInfoExtension.base, - #ifdef XDAMAGE_1_1_INTERFACE &damageExtension.base, #endif - NULL }; -#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; -} - -extern __GLcontextModes * -driConvertConfigs(const __DRIcoreExtension *core, - __GLcontextModes *modes, const __DRIconfig **configs); - -_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; -} - /** * Perform the required libGL-side initialization and call the client-side * driver's \c __driCreateNewScreen function. @@ -875,45 +495,44 @@ static __GLXDRIcontext *driCreateContext(__GLXscreenConfigs *psc, __DRIcontext *shared = NULL; __GLXDRIconfigPrivate *config = (__GLXDRIconfigPrivate *) mode; - if (psc && psc->driScreen) { - if (shareList) { - pcp_shared = (__GLXDRIcontextPrivate *) shareList->driContext; - shared = pcp_shared->driContext; - } - - pcp = Xmalloc(sizeof *pcp); - if (pcp == NULL) - return NULL; + if (!psc || !psc->driScreen) + return NULL; - pcp->psc = psc; - if (!XF86DRICreateContextWithConfig(psc->dpy, psc->scr, - mode->visualID, - &pcp->hwContextID, &hwContext)) { - Xfree(pcp); - return NULL; - } + if (shareList) { + pcp_shared = (__GLXDRIcontextPrivate *) shareList->driContext; + shared = pcp_shared->driContext; + } - pcp->driContext = - (*psc->legacy->createNewContext)(psc->__driScreen, - config->driConfig, - renderType, - shared, - hwContext, - pcp); - if (pcp->driContext == NULL) { - XF86DRIDestroyContext(psc->dpy, psc->scr, pcp->hwContextID); - Xfree(pcp); - return NULL; - } + pcp = Xmalloc(sizeof *pcp); + if (pcp == NULL) + return NULL; - pcp->base.destroyContext = driDestroyContext; - pcp->base.bindContext = driBindContext; - pcp->base.unbindContext = driUnbindContext; + pcp->psc = psc; + if (!XF86DRICreateContextWithConfig(psc->dpy, psc->scr, + mode->visualID, + &pcp->hwContextID, &hwContext)) { + Xfree(pcp); + return NULL; + } - return &pcp->base; + pcp->driContext = + (*psc->legacy->createNewContext)(psc->__driScreen, + config->driConfig, + renderType, + shared, + hwContext, + pcp); + if (pcp->driContext == NULL) { + XF86DRIDestroyContext(psc->dpy, psc->scr, pcp->hwContextID); + Xfree(pcp); + return NULL; } - return NULL; + pcp->base.destroyContext = driDestroyContext; + pcp->base.bindContext = driBindContext; + pcp->base.unbindContext = driUnbindContext; + + return &pcp->base; } static void driDestroyDrawable(__GLXDRIdrawable *pdraw) @@ -979,15 +598,13 @@ static void driDestroyScreen(__GLXscreenConfigs *psc) dlclose(psc->driver); } -void -driBindExtensions(__GLXscreenConfigs *psc); - static __GLXDRIscreen *driCreateScreen(__GLXscreenConfigs *psc, int screen, __GLXdisplayPrivate *priv) { __GLXDRIdisplayPrivate *pdp; __GLXDRIscreen *psp; const __DRIextension **extensions; + char *driverName; int i; psp = Xmalloc(sizeof *psp); @@ -997,7 +614,13 @@ static __GLXDRIscreen *driCreateScreen(__GLXscreenConfigs *psc, int screen, /* Initialize per screen dynamic client GLX extensions */ psc->ext_list_first_time = GL_TRUE; - psc->driver = driGetDriver(priv->dpy, screen); + if (!driGetDriverName(priv->dpy, screen, &driverName)) { + Xfree(psp); + return NULL; + } + + psc->driver = driOpenDriver(driverName); + Xfree(driverName); if (psc->driver == NULL) { Xfree(psp); return NULL; |