From c01fe2cdd4a86f37c1a9bce344b41b6432dbe427 Mon Sep 17 00:00:00 2001
From: Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
Date: Tue, 30 Jan 2007 12:56:51 +0100
Subject: Add the ttmtest test utility.

---
 tests/ttmtest/src/ttmtest.c | 195 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 195 insertions(+)
 create mode 100644 tests/ttmtest/src/ttmtest.c

(limited to 'tests/ttmtest/src/ttmtest.c')

diff --git a/tests/ttmtest/src/ttmtest.c b/tests/ttmtest/src/ttmtest.c
new file mode 100644
index 00000000..14a7af0b
--- /dev/null
+++ b/tests/ttmtest/src/ttmtest.c
@@ -0,0 +1,195 @@
+
+#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 "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
+
+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
+testAGP(TinyDRIContext * ctx)
+{
+}
+
+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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