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-rw-r--r--tests/ttmtest/src/ttmtest.c429
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diff --git a/tests/ttmtest/src/ttmtest.c b/tests/ttmtest/src/ttmtest.c
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+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, TX., USA
+ * All Rights Reserved.
+ *
+ * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ *
+ **************************************************************************/
+/*
+ * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <drm/drm.h>
+#include "xf86dri.h"
+#include "xf86drm.h"
+#include "stdio.h"
+#include "sys/types.h"
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+#include "sys/mman.h"
+
+typedef struct
+{
+ enum
+ {
+ haveNothing,
+ haveDisplay,
+ haveConnection,
+ haveDriverName,
+ haveDeviceInfo,
+ haveDRM,
+ haveContext
+ }
+ state;
+
+ Display *display;
+ int screen;
+ drm_handle_t sAreaOffset;
+ char *curBusID;
+ char *driverName;
+ int drmFD;
+ XVisualInfo visualInfo;
+ XID id;
+ drm_context_t hwContext;
+ void *driPriv;
+ int driPrivSize;
+ int fbSize;
+ int fbOrigin;
+ int fbStride;
+ drm_handle_t fbHandle;
+ int ddxDriverMajor;
+ int ddxDriverMinor;
+ int ddxDriverPatch;
+} TinyDRIContext;
+
+#ifndef __x86_64__
+static unsigned
+fastrdtsc(void)
+{
+ unsigned eax;
+ __asm__ volatile ("\t"
+ "pushl %%ebx\n\t"
+ "cpuid\n\t" ".byte 0x0f, 0x31\n\t" "popl %%ebx\n":"=a" (eax)
+ :"0"(0)
+ :"ecx", "edx", "cc");
+
+ return eax;
+}
+#else
+static unsigned
+fastrdtsc(void)
+{
+ unsigned eax;
+ __asm__ volatile ("\t" "cpuid\n\t" ".byte 0x0f, 0x31\n\t":"=a" (eax)
+ :"0"(0)
+ :"ecx", "edx", "ebx", "cc");
+
+ return eax;
+}
+#endif
+
+void
+bmError(int val, const char *file, const char *function, int line)
+{
+ fprintf(stderr, "Fatal video memory manager error \"%s\".\n"
+ "Check kernel logs or set the LIBGL_DEBUG\n"
+ "environment variable to \"verbose\" for more info.\n"
+ "Detected in file %s, line %d, function %s.\n",
+ strerror(-val), file, line, function);
+ abort();
+}
+
+#define BM_CKFATAL(val) \
+ do{ \
+ int tstVal = (val); \
+ if (tstVal) \
+ bmError(tstVal, __FILE__, __FUNCTION__, __LINE__); \
+ } while(0);
+
+static unsigned
+time_diff(unsigned t, unsigned t2)
+{
+ return ((t < t2) ? t2 - t : 0xFFFFFFFFU - (t - t2 - 1));
+}
+
+static int
+releaseContext(TinyDRIContext * ctx)
+{
+ switch (ctx->state) {
+ case haveContext:
+ uniDRIDestroyContext(ctx->display, ctx->screen, ctx->id);
+ case haveDRM:
+ drmClose(ctx->drmFD);
+ case haveDeviceInfo:
+ XFree(ctx->driPriv);
+ case haveDriverName:
+ XFree(ctx->driverName);
+ case haveConnection:
+ XFree(ctx->curBusID);
+ uniDRICloseConnection(ctx->display, ctx->screen);
+ case haveDisplay:
+ XCloseDisplay(ctx->display);
+ default:
+ break;
+ }
+ return -1;
+}
+
+static void
+readBuf(void *buf, unsigned long size)
+{
+ volatile unsigned *buf32 = (unsigned *)buf;
+ unsigned *end = (unsigned *)buf32 + size / sizeof(*buf32);
+
+ while (buf32 < end) {
+ (void)*buf32++;
+ }
+}
+
+static int
+benchmarkBuffer(TinyDRIContext * ctx, unsigned long size,
+ unsigned long *ticks)
+{
+ unsigned long curTime, oldTime;
+ int ret;
+ drmBO buf;
+ void *virtual;
+
+ /*
+ * Test system memory objects.
+ */
+
+ oldTime = fastrdtsc();
+ BM_CKFATAL(drmBOCreate(ctx->drmFD, 0, size, 0, NULL,
+ drm_bo_type_dc,
+ DRM_BO_FLAG_READ |
+ DRM_BO_FLAG_WRITE |
+ DRM_BO_FLAG_MEM_LOCAL | DRM_BO_FLAG_NO_MOVE, 0, &buf));
+ curTime = fastrdtsc();
+ *ticks++ = time_diff(oldTime, curTime);
+
+ oldTime = fastrdtsc();
+ BM_CKFATAL(drmBOMap(ctx->drmFD, &buf,
+ DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0, &virtual));
+ curTime = fastrdtsc();
+ *ticks++ = time_diff(oldTime, curTime);
+
+ oldTime = fastrdtsc();
+ memset(virtual, 0xF0, buf.size);
+ curTime = fastrdtsc();
+ *ticks++ = time_diff(oldTime, curTime);
+
+ oldTime = fastrdtsc();
+ memset(virtual, 0x0F, buf.size);
+ curTime = fastrdtsc();
+ *ticks++ = time_diff(oldTime, curTime);
+
+ oldTime = fastrdtsc();
+ readBuf(virtual, buf.size);
+ curTime = fastrdtsc();
+ *ticks++ = time_diff(oldTime, curTime);
+
+ oldTime = fastrdtsc();
+ BM_CKFATAL(drmBOUnmap(ctx->drmFD, &buf));
+ curTime = fastrdtsc();
+ *ticks++ = time_diff(oldTime, curTime);
+
+ /*
+ * Test TT bound buffer objects.
+ */
+
+ BM_CKFATAL(drmGetLock(ctx->drmFD, ctx->hwContext, 0));
+ oldTime = fastrdtsc();
+ BM_CKFATAL(drmBOValidate(ctx->drmFD, &buf,
+ DRM_BO_FLAG_MEM_TT, DRM_BO_MASK_MEM, DRM_BO_HINT_DONT_FENCE));
+ curTime = fastrdtsc();
+ BM_CKFATAL(drmUnlock(ctx->drmFD, ctx->hwContext));
+ *ticks++ = time_diff(oldTime, curTime);
+
+ oldTime = fastrdtsc();
+ BM_CKFATAL(drmBOMap(ctx->drmFD, &buf,
+ DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0, &virtual));
+ curTime = fastrdtsc();
+ *ticks++ = time_diff(oldTime, curTime);
+
+ oldTime = fastrdtsc();
+ memset(virtual, 0xF0, buf.size);
+ curTime = fastrdtsc();
+ *ticks++ = time_diff(oldTime, curTime);
+
+ oldTime = fastrdtsc();
+ memset(virtual, 0x0F, buf.size);
+ curTime = fastrdtsc();
+ *ticks++ = time_diff(oldTime, curTime);
+
+ oldTime = fastrdtsc();
+ readBuf(virtual, buf.size);
+ curTime = fastrdtsc();
+ *ticks++ = time_diff(oldTime, curTime);
+
+ BM_CKFATAL(drmBOUnmap(ctx->drmFD, &buf));
+
+ BM_CKFATAL(drmGetLock(ctx->drmFD, ctx->hwContext, 0));
+ oldTime = fastrdtsc();
+ BM_CKFATAL(drmBOValidate(ctx->drmFD, &buf,
+ DRM_BO_FLAG_MEM_LOCAL, DRM_BO_MASK_MEM, DRM_BO_HINT_DONT_FENCE));
+ curTime = fastrdtsc();
+ *ticks++ = time_diff(oldTime, curTime);
+
+ /*
+ * Test cached buffers objects.
+ */
+
+ oldTime = fastrdtsc();
+ ret = drmBOValidate(ctx->drmFD, &buf,
+ DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_BIND_CACHED,
+ DRM_BO_MASK_MEM | DRM_BO_FLAG_BIND_CACHED, DRM_BO_HINT_DONT_FENCE);
+ curTime = fastrdtsc();
+ drmUnlock(ctx->drmFD, ctx->hwContext);
+
+ if (ret) {
+ printf("Couldn't bind cached. Probably no support\n");
+ BM_CKFATAL(drmBODestroy(ctx->drmFD, &buf));
+ return 1;
+ }
+ *ticks++ = time_diff(oldTime, curTime);
+
+ oldTime = fastrdtsc();
+ BM_CKFATAL(drmBOMap(ctx->drmFD, &buf,
+ DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0, &virtual));
+
+ curTime = fastrdtsc();
+ *ticks++ = time_diff(oldTime, curTime);
+
+ oldTime = fastrdtsc();
+ memset(virtual, 0xF0, buf.size);
+ curTime = fastrdtsc();
+ *ticks++ = time_diff(oldTime, curTime);
+
+ oldTime = fastrdtsc();
+ memset(virtual, 0x0F, buf.size);
+ curTime = fastrdtsc();
+ *ticks++ = time_diff(oldTime, curTime);
+
+ oldTime = fastrdtsc();
+ readBuf(virtual, buf.size);
+ curTime = fastrdtsc();
+ *ticks++ = time_diff(oldTime, curTime);
+
+ BM_CKFATAL(drmBOUnmap(ctx->drmFD, &buf));
+ BM_CKFATAL(drmBODestroy(ctx->drmFD, &buf));
+
+ return 0;
+}
+
+static void
+testAGP(TinyDRIContext * ctx)
+{
+ unsigned long ticks[128], *pTicks;
+ unsigned long size = 4096 * 1024;
+ int ret;
+
+ ret = benchmarkBuffer(ctx, size, ticks);
+ if (ret < 0) {
+ fprintf(stderr, "Buffer error %s\n", strerror(-ret));
+ return;
+ }
+ pTicks = ticks;
+
+ printf("Buffer size %d bytes\n", size);
+ printf("System memory timings ********************************\n");
+ printf("Creation took %12lu ticks\n", *pTicks++);
+ printf("Mapping took %12lu ticks\n", *pTicks++);
+ printf("Writing took %12lu ticks\n", *pTicks++);
+ printf("Writing Again took %12lu ticks\n", *pTicks++);
+ printf("Reading took %12lu ticks\n", *pTicks++);
+ printf("Unmapping took %12lu ticks\n", *pTicks++);
+
+ printf("\nTT Memory timings ************************************\n");
+ printf("Moving to TT took %12lu ticks\n", *pTicks++);
+ printf("Mapping in TT took %12lu ticks\n", *pTicks++);
+ printf("Writing to TT took %12lu ticks\n", *pTicks++);
+ printf("Writing again to TT took %12lu ticks\n", *pTicks++);
+ printf("Reading from TT took %12lu ticks\n", *pTicks++);
+ printf("Moving to system took %12lu ticks\n", *pTicks++);
+
+ if (ret == 1)
+ return;
+
+ printf("\nCached TT Memory timings *****************************\n");
+ printf("Moving to CTT took %12lu ticks\n", *pTicks++);
+ printf("Mapping in CTT took %12lu ticks\n", *pTicks++);
+ printf("Writing to CTT took %12lu ticks\n", *pTicks++);
+ printf("Re-writing to CTT took %12lu ticks\n", *pTicks++);
+ printf("Reading from CTT took %12lu ticks\n", *pTicks++);
+ printf("\n\n");
+}
+
+int
+main()
+{
+ int ret, screen, isCapable;
+ char *displayName = ":0";
+ TinyDRIContext ctx;
+ unsigned magic;
+
+ ctx.screen = 0;
+ ctx.state = haveNothing;
+ ctx.display = XOpenDisplay(displayName);
+ if (!ctx.display) {
+ fprintf(stderr, "Could not open display\n");
+ return releaseContext(&ctx);
+ }
+ ctx.state = haveDisplay;
+
+ ret =
+ uniDRIQueryDirectRenderingCapable(ctx.display, ctx.screen,
+ &isCapable);
+ if (!ret || !isCapable) {
+ fprintf(stderr, "No DRI on this display:sceen\n");
+ return releaseContext(&ctx);
+ }
+
+ if (!uniDRIOpenConnection(ctx.display, ctx.screen, &ctx.sAreaOffset,
+ &ctx.curBusID)) {
+ fprintf(stderr, "Could not open DRI connection.\n");
+ return releaseContext(&ctx);
+ }
+ ctx.state = haveConnection;
+
+ if (!uniDRIGetClientDriverName(ctx.display, ctx.screen,
+ &ctx.ddxDriverMajor, &ctx.ddxDriverMinor,
+ &ctx.ddxDriverPatch, &ctx.driverName)) {
+ fprintf(stderr, "Could not get DRI driver name.\n");
+ return releaseContext(&ctx);
+ }
+ ctx.state = haveDriverName;
+
+ if (!uniDRIGetDeviceInfo(ctx.display, ctx.screen,
+ &ctx.fbHandle, &ctx.fbOrigin, &ctx.fbSize,
+ &ctx.fbStride, &ctx.driPrivSize, &ctx.driPriv)) {
+ fprintf(stderr, "Could not get DRI device info.\n");
+ return releaseContext(&ctx);
+ }
+ ctx.state = haveDriverName;
+
+ if ((ctx.drmFD = drmOpen(NULL, ctx.curBusID)) < 0) {
+ perror("DRM Device could not be opened");
+ return releaseContext(&ctx);
+ }
+ ctx.state = haveDRM;
+
+ drmGetMagic(ctx.drmFD, &magic);
+ if (!uniDRIAuthConnection(ctx.display, ctx.screen, magic)) {
+ fprintf(stderr, "Could not get X server to authenticate us.\n");
+ return releaseContext(&ctx);
+ }
+
+ ret = XMatchVisualInfo(ctx.display, ctx.screen, 24, TrueColor,
+ &ctx.visualInfo);
+ if (!ret) {
+ ret = XMatchVisualInfo(ctx.display, ctx.screen, 16, TrueColor,
+ &ctx.visualInfo);
+ if (!ret) {
+ fprintf(stderr, "Could not find a matching visual.\n");
+ return releaseContext(&ctx);
+ }
+ }
+
+ if (!uniDRICreateContext(ctx.display, ctx.screen, ctx.visualInfo.visual,
+ &ctx.id, &ctx.hwContext)) {
+ fprintf(stderr, "Could not create DRI context.\n");
+ return releaseContext(&ctx);
+ }
+ ctx.state = haveContext;
+
+ testAGP(&ctx);
+
+ releaseContext(&ctx);
+ printf("Terminating normally\n");
+ return 0;
+}
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