diff options
Diffstat (limited to 'src/glx/x11/dri_common.c')
| -rw-r--r-- | src/glx/x11/dri_common.c | 443 |
1 files changed, 226 insertions, 217 deletions
diff --git a/src/glx/x11/dri_common.c b/src/glx/x11/dri_common.c index 6de41111134..9c825ad74ab 100644 --- a/src/glx/x11/dri_common.c +++ b/src/glx/x11/dri_common.c @@ -49,33 +49,35 @@ #define RTLD_GLOBAL 0 #endif -_X_HIDDEN void InfoMessageF(const char *f, ...) +_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); - } + 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, ...) +_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); - } + 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 @@ -95,7 +97,8 @@ _X_HIDDEN void ErrorMessageF(const char *f, ...) * \returns * A handle from \c dlopen, or \c NULL if driver file not found. */ -_X_HIDDEN void *driOpenDriver(const char *driverName) +_X_HIDDEN void * +driOpenDriver(const char *driverName) { void *glhandle, *handle; const char *libPaths, *p, *next; @@ -110,40 +113,41 @@ _X_HIDDEN void *driOpenDriver(const char *driverName) /* don't allow setuid apps to use LIBGL_DRIVERS_PATH */ libPaths = getenv("LIBGL_DRIVERS_PATH"); if (!libPaths) - libPaths = getenv("LIBGL_DRIVERS_DIR"); /* deprecated */ + libPaths = getenv("LIBGL_DRIVERS_DIR"); /* deprecated */ } if (libPaths == NULL) - libPaths = DEFAULT_DRIVER_DIR; + 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++; - } + 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); + "%.*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) { + 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; + if (handle != NULL) + break; else - ErrorMessageF("dlopen %s failed (%s)\n", realDriverName, dlerror()); + ErrorMessageF("dlopen %s failed (%s)\n", realDriverName, dlerror()); } if (!handle) @@ -156,253 +160,258 @@ _X_HIDDEN void *driOpenDriver(const char *driverName) } _X_HIDDEN const __DRIsystemTimeExtension systemTimeExtension = { - { __DRI_SYSTEM_TIME, __DRI_SYSTEM_TIME_VERSION }, - __glXGetUST, - __driGetMscRateOML + {__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), +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), + __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), + __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), + __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), -}; +__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) +scalarEqual(__GLcontextModes * mode, unsigned int attrib, unsigned int value) { - unsigned int glxValue; - int i; + 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; - } + 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? */ + return GL_TRUE; /* Is a non-existing attribute equal to value? */ } static int -driConfigEqual(const __DRIcoreExtension *core, - __GLcontextModes *modes, const __DRIconfig *driConfig) +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; + 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) +createDriMode(const __DRIcoreExtension * core, + __GLcontextModes * modes, const __DRIconfig ** driConfigs) { - __GLXDRIconfigPrivate *config; - int i; + __GLXDRIconfigPrivate *config; + int i; - for (i = 0; driConfigs[i]; i++) { - if (driConfigEqual(core, modes, driConfigs[i])) - break; - } + for (i = 0; driConfigs[i]; i++) { + if (driConfigEqual(core, modes, driConfigs[i])) + break; + } - if (driConfigs[i] == NULL) - return NULL; + if (driConfigs[i] == NULL) + return NULL; - config = Xmalloc(sizeof *config); - if (config == NULL) - return NULL; + config = Xmalloc(sizeof *config); + if (config == NULL) + return NULL; - config->modes = *modes; - config->driConfig = driConfigs[i]; + config->modes = *modes; + config->driConfig = driConfigs[i]; - return &config->modes; + return &config->modes; } _X_HIDDEN __GLcontextModes * -driConvertConfigs(const __DRIcoreExtension *core, - __GLcontextModes *modes, const __DRIconfig **configs) +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; - } + __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; - } + tail = tail->next; + } - _gl_context_modes_destroy(modes); + _gl_context_modes_destroy(modes); - return head.next; + return head.next; } _X_HIDDEN void -driBindExtensions(__GLXscreenConfigs *psc, int dri2) +driBindExtensions(__GLXscreenConfigs * psc, int dri2) { - const __DRIextension **extensions; - int i; + const __DRIextension **extensions; + int i; - extensions = psc->core->getExtensions(psc->__driScreen); + extensions = psc->core->getExtensions(psc->__driScreen); - for (i = 0; extensions[i]; i++) { + 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"); - } + if (strcmp(extensions[i]->name, __DRI_COPY_SUB_BUFFER) == 0) { + psc->driCopySubBuffer = + (__DRIcopySubBufferExtension *) extensions[i]; + __glXEnableDirectExtension(psc, "GLX_MESA_copy_sub_buffer"); + } #endif #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 && !dri2) { - psc->swapControl = (__DRIswapControlExtension *) extensions[i]; - __glXEnableDirectExtension(psc, "GLX_SGI_swap_control"); - __glXEnableDirectExtension(psc, "GLX_MESA_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 && !dri2) { + 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"); - } + 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"); - } + 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"); - } + 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. */ + /* 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"); - } + 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) && dri2) { - psc->texBuffer = (__DRItexBufferExtension *) extensions[i]; - __glXEnableDirectExtension(psc, "GLX_EXT_texture_from_pixmap"); - } + if ((strcmp(extensions[i]->name, __DRI_TEX_BUFFER) == 0) && dri2) { + psc->texBuffer = (__DRItexBufferExtension *) extensions[i]; + __glXEnableDirectExtension(psc, "GLX_EXT_texture_from_pixmap"); + } #endif #ifdef __DRI2_FLUSH - if ((strcmp(extensions[i]->name, __DRI2_FLUSH) == 0) && dri2) { - psc->f = (__DRI2flushExtension *) extensions[i]; - /* internal driver extension, no GL extension exposed */ - } + if ((strcmp(extensions[i]->name, __DRI2_FLUSH) == 0) && dri2) { + psc->f = (__DRI2flushExtension *) extensions[i]; + /* internal driver extension, no GL extension exposed */ + } #endif - /* Ignore unknown extensions */ - } + /* Ignore unknown extensions */ + } } #endif /* GLX_DIRECT_RENDERING */ |