X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fglx%2Fdri_common.c;h=d7279d7d1fb6258237310052ec8e24ba7e04b7fe;hb=74ca87e4bce2b5f06c017c5376178f3f2dfee90f;hp=dbc6082313bef50b7333240a8ccc68206655514a;hpb=234286c0f8b7d30ed49223c648d4c73c1a517ab3;p=mesa.git diff --git a/src/glx/dri_common.c b/src/glx/dri_common.c index dbc6082313b..d7279d7d1fb 100644 --- a/src/glx/dri_common.c +++ b/src/glx/dri_common.c @@ -33,14 +33,14 @@ * Kristian Høgsberg (krh@redhat.com) */ -#ifdef GLX_DIRECT_RENDERING +#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL) #include #include #include #include "glxclient.h" -#include "glcontextmodes.h" #include "dri_common.h" +#include "loader.h" #ifndef RTLD_NOW #define RTLD_NOW 0 @@ -50,39 +50,31 @@ #endif _X_HIDDEN void -InfoMessageF(const char *f, ...) +dri_message(int level, 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); + int threshold = _LOADER_WARNING; + const char *libgl_debug; + + libgl_debug = getenv("LIBGL_DEBUG"); + if (libgl_debug) { + if (strstr(libgl_debug, "quiet")) + threshold = _LOADER_FATAL; + else if (strstr(libgl_debug, "verbose")) + threshold = _LOADER_DEBUG; } -} -/** - * 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: "); + /* Note that the _LOADER_* levels are lower numbers for more severe. */ + if (level <= threshold) { + fprintf(stderr, "libGL%s: ", level <= _LOADER_WARNING ? " 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" +#ifndef GL_LIB_NAME +#define GL_LIB_NAME "libGL.so.1" #endif /** @@ -92,81 +84,55 @@ ErrorMessageF(const char *f, ...) * 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. + * \param driverName - a name like "i965", "radeon", "nouveau", etc. + * \param out_driver_handle - Address to return the resulting dlopen() handle. * * \returns - * A handle from \c dlopen, or \c NULL if driver file not found. + * The __DRIextension entrypoint table for the driver, or \c NULL if driver + * file not found. */ -_X_HIDDEN void * -driOpenDriver(const char *driverName) +_X_HIDDEN const __DRIextension ** +driOpenDriver(const char *driverName, void **out_driver_handle) { - void *glhandle, *handle; - const char *libPaths, *p, *next; - char realDriverName[200]; - int len; + void *glhandle; /* 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++; - } + glhandle = dlopen(GL_LIB_NAME, RTLD_NOW | RTLD_GLOBAL); -#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 + static const char *search_path_vars[] = { + "LIBGL_DRIVERS_PATH", + "LIBGL_DRIVERS_DIR", /* deprecated */ + NULL + }; - 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); + const __DRIextension **extensions = + loader_open_driver(driverName, out_driver_handle, search_path_vars); if (glhandle) dlclose(glhandle); - return handle; + return extensions; +} + +static GLboolean +__driGetMSCRate(__DRIdrawable *draw, + int32_t * numerator, int32_t * denominator, + void *loaderPrivate) +{ + __GLXDRIdrawable *glxDraw = loaderPrivate; + + return __glxGetMscRate(glxDraw->psc, numerator, denominator); } _X_HIDDEN const __DRIsystemTimeExtension systemTimeExtension = { - {__DRI_SYSTEM_TIME, __DRI_SYSTEM_TIME_VERSION}, - __glXGetUST, - __driGetMscRateOML + .base = {__DRI_SYSTEM_TIME, 1 }, + + .getUST = __glXGetUST, + .getMSCRate = __driGetMSCRate }; #define __ATTRIB(attrib, field) \ - { attrib, offsetof(__GLcontextModes, field) } + { attrib, offsetof(struct glx_config, field) } static const struct { @@ -206,22 +172,19 @@ static const struct __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_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])) + __ATTRIB(__DRI_ATTRIB_YINVERTED, yInverted), + __ATTRIB(__DRI_ATTRIB_FRAMEBUFFER_SRGB_CAPABLE, sRGBCapable) +}; static int -scalarEqual(__GLcontextModes * mode, unsigned int attrib, unsigned int value) +scalarEqual(struct glx_config *mode, unsigned int attrib, unsigned int value) { - unsigned int glxValue; - int i; + unsigned glxValue, i; for (i = 0; i < ARRAY_SIZE(attribMap); i++) if (attribMap[i].attrib == attrib) { @@ -233,8 +196,8 @@ scalarEqual(__GLcontextModes * mode, unsigned int attrib, unsigned int value) } static int -driConfigEqual(const __DRIcoreExtension * core, - __GLcontextModes * modes, const __DRIconfig * driConfig) +driConfigEqual(const __DRIcoreExtension *core, + struct glx_config *config, const __DRIconfig *driConfig) { unsigned int attrib, value, glxValue; int i; @@ -247,10 +210,16 @@ driConfigEqual(const __DRIcoreExtension * core, if (value & __DRI_ATTRIB_RGBA_BIT) { glxValue |= GLX_RGBA_BIT; } - else if (value & __DRI_ATTRIB_COLOR_INDEX_BIT) { + if (value & __DRI_ATTRIB_COLOR_INDEX_BIT) { glxValue |= GLX_COLOR_INDEX_BIT; } - if (glxValue != modes->renderType) + if (value & __DRI_ATTRIB_FLOAT_BIT) { + glxValue |= GLX_RGBA_FLOAT_BIT_ARB; + } + if (value & __DRI_ATTRIB_UNSIGNED_FLOAT_BIT) { + glxValue |= GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT; + } + if (glxValue != config->renderType) return GL_FALSE; break; @@ -261,7 +230,7 @@ driConfigEqual(const __DRIcoreExtension * core, glxValue = GLX_SLOW_CONFIG; else glxValue = GLX_NONE; - if (glxValue != modes->visualRating) + if (glxValue != config->visualRating) return GL_FALSE; break; @@ -273,13 +242,26 @@ driConfigEqual(const __DRIcoreExtension * core, 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) + if (config->bindToTextureTargets != GLX_DONT_CARE && + glxValue != config->bindToTextureTargets) + return GL_FALSE; + break; + + case __DRI_ATTRIB_SWAP_METHOD: + if (value == __DRI_ATTRIB_SWAP_EXCHANGE) + glxValue = GLX_SWAP_EXCHANGE_OML; + else if (value == __DRI_ATTRIB_SWAP_COPY) + glxValue = GLX_SWAP_COPY_OML; + else + glxValue = GLX_SWAP_UNDEFINED_OML; + + if (!scalarEqual(config, attrib, glxValue)) return GL_FALSE; + break; default: - if (!scalarEqual(modes, attrib, value)) + if (!scalarEqual(config, attrib, value)) return GL_FALSE; } } @@ -287,41 +269,41 @@ driConfigEqual(const __DRIcoreExtension * core, return GL_TRUE; } -static __GLcontextModes * +static struct glx_config * createDriMode(const __DRIcoreExtension * core, - __GLcontextModes * modes, const __DRIconfig ** driConfigs) + struct glx_config *config, const __DRIconfig **driConfigs) { - __GLXDRIconfigPrivate *config; + __GLXDRIconfigPrivate *driConfig; int i; for (i = 0; driConfigs[i]; i++) { - if (driConfigEqual(core, modes, driConfigs[i])) + if (driConfigEqual(core, config, driConfigs[i])) break; } if (driConfigs[i] == NULL) return NULL; - config = Xmalloc(sizeof *config); - if (config == NULL) + driConfig = malloc(sizeof *driConfig); + if (driConfig == NULL) return NULL; - config->modes = *modes; - config->driConfig = driConfigs[i]; + driConfig->base = *config; + driConfig->driConfig = driConfigs[i]; - return &config->modes; + return &driConfig->base; } -_X_HIDDEN __GLcontextModes * +_X_HIDDEN struct glx_config * driConvertConfigs(const __DRIcoreExtension * core, - __GLcontextModes * modes, const __DRIconfig ** configs) + struct glx_config *configs, const __DRIconfig **driConfigs) { - __GLcontextModes head, *tail, *m; + struct glx_config head, *tail, *m; tail = &head; head.next = NULL; - for (m = modes; m; m = m->next) { - tail->next = createDriMode(core, m, configs); + for (m = configs; m; m = m->next) { + tail->next = createDriMode(core, m, driConfigs); if (tail->next == NULL) { /* no matching dri config for m */ continue; @@ -331,125 +313,306 @@ driConvertConfigs(const __DRIcoreExtension * core, tail = tail->next; } - _gl_context_modes_destroy(modes); - return head.next; } -/* Bind DRI1 specific extensions */ _X_HIDDEN void -driBindExtensions(__GLXscreenConfigs *psc) +driDestroyConfigs(const __DRIconfig **configs) { - const __DRIextension **extensions; int i; - extensions = psc->core->getExtensions(psc->__driScreen); - - for (i = 0; extensions[i]; i++) { -#ifdef __DRI_SWAP_CONTROL - /* No DRI2 support for swap_control at the moment, since SwapBuffers - * is done by the X server */ - 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_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 + for (i = 0; configs[i]; i++) + free((__DRIconfig *) configs[i]); + free(configs); +} -#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 +static struct glx_config * +driInferDrawableConfig(struct glx_screen *psc, GLXDrawable draw) +{ + unsigned int fbconfig = 0; - /* Ignore unknown extensions */ + if (__glXGetDrawableAttribute(psc->dpy, draw, GLX_FBCONFIG_ID, &fbconfig)) { + return glx_config_find_fbconfig(psc->configs, fbconfig); } + + return NULL; } -/* Bind DRI2 specific extensions */ -_X_HIDDEN void -dri2BindExtensions(__GLXscreenConfigs *psc) +_X_HIDDEN __GLXDRIdrawable * +driFetchDrawable(struct glx_context *gc, GLXDrawable glxDrawable) { - const __DRIextension **extensions; - int i; + struct glx_display *const priv = __glXInitialize(gc->psc->dpy); + __GLXDRIdrawable *pdraw; + struct glx_screen *psc; + struct glx_config *config = gc->config; - extensions = psc->core->getExtensions(psc->__driScreen); + if (priv == NULL) + return NULL; - for (i = 0; extensions[i]; i++) { -#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 + if (glxDrawable == None) + return NULL; - __glXEnableDirectExtension(psc, "GLX_SGI_video_sync"); - __glXEnableDirectExtension(psc, "GLX_SGI_swap_control"); - __glXEnableDirectExtension(psc, "GLX_MESA_swap_control"); + psc = priv->screens[gc->screen]; + if (priv->drawHash == NULL) + return NULL; - /* FIXME: if DRI2 version supports it... */ - __glXEnableDirectExtension(psc, "INTEL_swap_event"); + if (__glxHashLookup(priv->drawHash, glxDrawable, (void *) &pdraw) == 0) { + pdraw->refcount ++; + return pdraw; + } -#ifdef __DRI2_FLUSH - if ((strcmp(extensions[i]->name, __DRI2_FLUSH) == 0)) { - psc->f = (__DRI2flushExtension *) extensions[i]; - /* internal driver extension, no GL extension exposed */ - } -#endif + if (config == NULL) + config = driInferDrawableConfig(gc->psc, glxDrawable); + if (config == NULL) + return NULL; -#ifdef __DRI2_CONFIG_QUERY - if ((strcmp(extensions[i]->name, __DRI2_CONFIG_QUERY) == 0)) - psc->config = (__DRI2configQueryExtension *) extensions[i]; -#endif + pdraw = psc->driScreen->createDrawable(psc, glxDrawable, glxDrawable, + config); + + if (pdraw == NULL) { + ErrorMessageF("failed to create drawable\n"); + return NULL; } + + if (__glxHashInsert(priv->drawHash, glxDrawable, pdraw)) { + (*pdraw->destroyDrawable) (pdraw); + return NULL; + } + pdraw->refcount = 1; + + return pdraw; } -/* Bind extensions common to DRI1 and DRI2 */ _X_HIDDEN void -driBindCommonExtensions(__GLXscreenConfigs *psc) +driReleaseDrawables(struct glx_context *gc) { - 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->driCopySubBuffer = (__DRIcopySubBufferExtension *) extensions[i]; - __glXEnableDirectExtension(psc, "GLX_MESA_copy_sub_buffer"); + const struct glx_display *priv = gc->psc->display; + __GLXDRIdrawable *pdraw; + + if (priv == NULL) + return; + + if (__glxHashLookup(priv->drawHash, + gc->currentDrawable, (void *) &pdraw) == 0) { + if (pdraw->drawable == pdraw->xDrawable) { + pdraw->refcount --; + if (pdraw->refcount == 0) { + pdraw->destroyDrawable(pdraw); + __glxHashDelete(priv->drawHash, gc->currentDrawable); + } } -#endif + } -#ifdef __DRI_ALLOCATE - if (strcmp(extensions[i]->name, __DRI_ALLOCATE) == 0) { - psc->allocate = (__DRIallocateExtension *) extensions[i]; - __glXEnableDirectExtension(psc, "GLX_MESA_allocate_memory"); + if (__glxHashLookup(priv->drawHash, + gc->currentReadable, (void *) &pdraw) == 0) { + if (pdraw->drawable == pdraw->xDrawable) { + pdraw->refcount --; + if (pdraw->refcount == 0) { + pdraw->destroyDrawable(pdraw); + __glxHashDelete(priv->drawHash, gc->currentReadable); + } } -#endif + } + + gc->currentDrawable = None; + gc->currentReadable = None; + +} + +_X_HIDDEN bool +dri2_convert_glx_attribs(unsigned num_attribs, const uint32_t *attribs, + unsigned *major_ver, unsigned *minor_ver, + uint32_t *render_type, uint32_t *flags, unsigned *api, + int *reset, int *release, unsigned *error) +{ + unsigned i; + bool got_profile = false; + int no_error = 0; + uint32_t profile; + + *major_ver = 1; + *minor_ver = 0; + *render_type = GLX_RGBA_TYPE; + *reset = __DRI_CTX_RESET_NO_NOTIFICATION; + *release = __DRI_CTX_RELEASE_BEHAVIOR_FLUSH; + *flags = 0; + *api = __DRI_API_OPENGL; + + if (num_attribs == 0) { + return true; + } + + /* This is actually an internal error, but what the heck. + */ + if (attribs == NULL) { + *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE; + return false; + } -#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"); + for (i = 0; i < num_attribs; i++) { + switch (attribs[i * 2]) { + case GLX_CONTEXT_MAJOR_VERSION_ARB: + *major_ver = attribs[i * 2 + 1]; + break; + case GLX_CONTEXT_MINOR_VERSION_ARB: + *minor_ver = attribs[i * 2 + 1]; + break; + case GLX_CONTEXT_FLAGS_ARB: + *flags = attribs[i * 2 + 1]; + break; + case GLX_CONTEXT_OPENGL_NO_ERROR_ARB: + no_error = attribs[i * 2 + 1]; + break; + case GLX_CONTEXT_PROFILE_MASK_ARB: + profile = attribs[i * 2 + 1]; + got_profile = true; + break; + case GLX_RENDER_TYPE: + *render_type = attribs[i * 2 + 1]; + break; + case GLX_CONTEXT_RESET_NOTIFICATION_STRATEGY_ARB: + switch (attribs[i * 2 + 1]) { + case GLX_NO_RESET_NOTIFICATION_ARB: + *reset = __DRI_CTX_RESET_NO_NOTIFICATION; + break; + case GLX_LOSE_CONTEXT_ON_RESET_ARB: + *reset = __DRI_CTX_RESET_LOSE_CONTEXT; + break; + default: + *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE; + return false; + } + break; + case GLX_CONTEXT_RELEASE_BEHAVIOR_ARB: + switch (attribs[i * 2 + 1]) { + case GLX_CONTEXT_RELEASE_BEHAVIOR_NONE_ARB: + *release = __DRI_CTX_RELEASE_BEHAVIOR_NONE; + break; + case GLX_CONTEXT_RELEASE_BEHAVIOR_FLUSH_ARB: + *release = __DRI_CTX_RELEASE_BEHAVIOR_FLUSH; + break; + default: + *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE; + return false; + } + break; + default: + /* If an unknown attribute is received, fail. + */ + *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE; + return false; } -#endif + } -#ifdef __DRI_READ_DRAWABLE - if (strcmp(extensions[i]->name, __DRI_READ_DRAWABLE) == 0) { - __glXEnableDirectExtension(psc, "GLX_SGI_make_current_read"); + if (no_error) { + *flags |= __DRI_CTX_FLAG_NO_ERROR; + } + + if (!got_profile) { + if (*major_ver > 3 || (*major_ver == 3 && *minor_ver >= 2)) + *api = __DRI_API_OPENGL_CORE; + } else { + switch (profile) { + case GLX_CONTEXT_CORE_PROFILE_BIT_ARB: + /* There are no profiles before OpenGL 3.2. The + * GLX_ARB_create_context_profile spec says: + * + * "If the requested OpenGL version is less than 3.2, + * GLX_CONTEXT_PROFILE_MASK_ARB is ignored and the functionality + * of the context is determined solely by the requested version." + */ + *api = (*major_ver > 3 || (*major_ver == 3 && *minor_ver >= 2)) + ? __DRI_API_OPENGL_CORE : __DRI_API_OPENGL; + break; + case GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB: + *api = __DRI_API_OPENGL; + break; + case GLX_CONTEXT_ES_PROFILE_BIT_EXT: + if (*major_ver >= 3) + *api = __DRI_API_GLES3; + else if (*major_ver == 2 && *minor_ver == 0) + *api = __DRI_API_GLES2; + else if (*major_ver == 1 && *minor_ver < 2) + *api = __DRI_API_GLES; + else { + *error = __DRI_CTX_ERROR_BAD_API; + return false; + } + break; + default: + *error = __DRI_CTX_ERROR_BAD_API; + return false; } -#endif + } - /* Ignore unknown extensions */ + /* Unknown flag value. + */ + if (*flags & ~(__DRI_CTX_FLAG_DEBUG | __DRI_CTX_FLAG_FORWARD_COMPATIBLE + | __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS + | __DRI_CTX_FLAG_NO_ERROR)) { + *error = __DRI_CTX_ERROR_UNKNOWN_FLAG; + return false; } + + /* There are no forward-compatible contexts before OpenGL 3.0. The + * GLX_ARB_create_context spec says: + * + * "Forward-compatible contexts are defined only for OpenGL versions + * 3.0 and later." + */ + if (*major_ver < 3 && (*flags & __DRI_CTX_FLAG_FORWARD_COMPATIBLE) != 0) { + *error = __DRI_CTX_ERROR_BAD_FLAG; + return false; + } + + if (*major_ver >= 3 && *render_type == GLX_COLOR_INDEX_TYPE) { + *error = __DRI_CTX_ERROR_BAD_FLAG; + return false; + } + + *error = __DRI_CTX_ERROR_SUCCESS; + return true; +} + +_X_HIDDEN bool +dri2_check_no_error(uint32_t flags, struct glx_context *share_context, + int major, unsigned *error) +{ + Bool noError = flags & __DRI_CTX_FLAG_NO_ERROR; + + /* The KHR_no_error specs say: + * + * Requires OpenGL ES 2.0 or OpenGL 2.0. + */ + if (noError && major < 2) { + *error = __DRI_CTX_ERROR_UNKNOWN_ATTRIBUTE; + return false; + } + + /* The GLX_ARB_create_context_no_error specs say: + * + * BadMatch is generated if the value of GLX_CONTEXT_OPENGL_NO_ERROR_ARB + * used to create does not match the value of + * GLX_CONTEXT_OPENGL_NO_ERROR_ARB for the context being created. + */ + if (share_context && !!share_context->noError != !!noError) { + *error = __DRI_CTX_ERROR_BAD_FLAG; + return false; + } + + /* The GLX_ARB_create_context_no_error specs say: + * + * BadMatch is generated if the GLX_CONTEXT_OPENGL_NO_ERROR_ARB is TRUE at + * the same time as a debug or robustness context is specified. + * + */ + if (noError && ((flags & __DRI_CTX_FLAG_DEBUG) || + (flags & __DRI_CTX_FLAG_ROBUST_BUFFER_ACCESS))) { + *error = __DRI_CTX_ERROR_BAD_FLAG; + return false; + } + + return true; } #endif /* GLX_DIRECT_RENDERING */