3 files changed, 217 insertions, 0 deletions
diff --git a/tests/modedemo/Makefile b/tests/modedemo/Makefile
new file mode 100644
index 00000000..467fb11a
--- /dev/null
+++ b/tests/modedemo/Makefile
@@ -0,0 +1,14 @@
+
+all: app
+
+#CFLAGS = -g -ansi -pedantic -DPOSIX_C_SOURCE=199309L \
+#        -D_POSIX_SOURCE -D_XOPEN_SOURCE -D_BSD_SOURCE -D_SVID_SOURCE \
+
+app: demo.c
+	@gcc $(CFLAGS) -o app -Wall -I../../libdrm -I../../shared-core -L../../libdrm/.libs -ldrm demo.c
+
+clean:
+	@rm -f app
+
+run: app
+	sudo ./test
diff --git a/tests/modedemo/demo.c b/tests/modedemo/demo.c
new file mode 100644
index 00000000..594d60db
--- /dev/null
+++ b/tests/modedemo/demo.c
@@ -0,0 +1,202 @@
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <string.h>
+
+#include "xf86drm.h"
+#include "xf86drmMode.h"
+
+#define SIZE_X 2048
+#define SIZE_Y 2048
+/* Pitch needs to be power of two */
+#define PITCH 2048
+
+static struct drm_mode_modeinfo mode = {
+	.name = "Test mode",
+	.clock = 25200,
+	.hdisplay = 640,
+	.hsync_start = 656,
+	.hsync_end = 752,
+	.htotal = 800,
+	.hskew = 0,
+	.vdisplay = 480,
+	.vsync_start = 490,
+	.vsync_end = 492,
+	.vtotal = 525,
+	.vscan = 0,
+	.vrefresh = 60000, /* vertical refresh * 1000 */
+	.flags = 10,
+};
+
+drmModeFBPtr createFB(int fd, drmModeResPtr res);
+int findConnectedOutputs(int fd, drmModeResPtr res, drmModeOutputPtr *out);
+drmModeCrtcPtr findFreeCrtc(int fd, drmModeResPtr res);
+void prettyColors(int fd, unsigned int handle);
+
+int main(int argc, char **argv)
+{
+	int fd;
+	const char *driver = "i915"; /* hardcoded for now */
+	drmModeResPtr res;
+	drmModeFBPtr framebuffer;
+	int numOutputs;
+	drmModeOutputPtr out[8];
+	drmModeCrtcPtr crtc;
+
+	printf("Starting test\n");
+
+	fd = drmOpen(driver, NULL);
+
+	if (fd < 0) {
+		printf("Failed to open the card fb\n");
+		return 1;
+	}
+
+	res = drmModeGetResources(fd);
+	if (res == 0) {
+		printf("Failed to get resources from card\n");
+		drmClose(fd);
+		return 1;
+	}
+
+	framebuffer = createFB(fd, res);
+	if (framebuffer == NULL) {
+		printf("Failed to create framebuffer\n");
+		return 1;
+	}
+
+	numOutputs = findConnectedOutputs(fd, res, out);
+	if (numOutputs < 1) {
+		printf("Failed to find connected outputs\n");
+		return 1;
+	}
+
+	crtc = findFreeCrtc(fd, res);
+	if (numOutputs < 1) {
+		printf("Couldn't find a free crtc\n");
+		return 1;
+	}
+
+	prettyColors(fd, framebuffer->handle);
+
+	printf("0 0\n");
+	drmModeSetCrtc(fd, crtc->crtc_id, framebuffer->buffer_id, 0, 0, &out[0]->output_id, 1, &mode);
+	sleep(2);
+
+	printf("0 100\n");
+	drmModeSetCrtc(fd, crtc->crtc_id, framebuffer->buffer_id, 0, 100, &out[0]->output_id, 1, &mode);
+	sleep(2);
+
+	printf("100 0\n");
+	drmModeSetCrtc(fd, crtc->crtc_id, framebuffer->buffer_id, 100, 0, &out[0]->output_id, 1, &mode);
+	sleep(2);
+
+	printf("100 100\n");
+	drmModeSetCrtc(fd, crtc->crtc_id, framebuffer->buffer_id, 100, 100, &out[0]->output_id, 1, &mode);
+	sleep(2);
+
+	/* turn the crtc off just in case */
+	drmModeSetCrtc(fd, crtc->crtc_id, 0, 0, 0, 0, 0, 0);
+
+    drmModeFreeResources(res);
+    printf("Ok\n");
+
+    return 0;
+}
+
+drmModeFBPtr createFB(int fd, drmModeResPtr res)
+{
+	drmModeFBPtr frame;
+	unsigned int fb = 0;
+	int ret = 0;
+	drmBO bo;
+
+	ret = drmBOCreate(fd, SIZE_X * SIZE_Y * 4, 0, 0,
+		DRM_BO_FLAG_READ |
+		DRM_BO_FLAG_WRITE |
+		DRM_BO_FLAG_MEM_TT |
+		DRM_BO_FLAG_MEM_VRAM |
+		DRM_BO_FLAG_NO_EVICT,
+		DRM_BO_HINT_DONT_FENCE, &bo);
+
+	if (ret)
+		goto err;
+
+	ret = drmModeAddFB(fd, SIZE_X, SIZE_Y, 32, 32, PITCH * 4, &bo, &fb);
+
+	if (ret)
+		goto err_bo;
+
+	frame = drmModeGetFB(fd, fb);
+
+	if (!frame)
+		goto err_bo;
+
+	return frame;
+
+err_bo:
+	drmBOUnreference(fd, &bo);
+err:
+	printf("Something went wrong when creating a fb, using one of the predefined ones\n");
+
+	return drmModeGetFB(fd, res->fbs[0]);
+}
+
+int findConnectedOutputs(int fd, drmModeResPtr res, drmModeOutputPtr *out)
+{
+	int count = 0;
+	int i;
+
+	drmModeOutputPtr output;
+
+	for (i = 0; i < res->count_outputs; i++) {
+		output = drmModeGetOutput(fd, res->outputs[i]);
+
+		if (!output || output->connection != DRM_MODE_CONNECTED)
+			continue;
+
+		out[count++] = output;
+	}
+
+	return count;
+}
+
+drmModeCrtcPtr findFreeCrtc(int fd, drmModeResPtr res)
+{
+	return drmModeGetCrtc(fd, res->crtcs[0]);
+}
+
+void draw(unsigned int x, unsigned int y, unsigned int w, unsigned int h, unsigned int v, unsigned int *ptr)
+{
+	int i, j;
+
+	for (i = x; i < x + w; i++)
+		for(j = y; j < y + h; j++)
+			ptr[(i * PITCH) + j] = v;
+
+}
+
+void prettyColors(int fd, unsigned int handle)
+{
+	drmBO bo;
+	unsigned int *ptr;
+	int i;
+
+	drmBOReference(fd, handle, &bo);
+	drmBOMap(fd, &bo, DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE, 0, (void**)&ptr);
+
+	for (i = 0; i < (SIZE_X*SIZE_Y); i++)
+		ptr[i] = 0xFFFFFFFF;
+
+	for (i = 0; i < 8; i++)
+		draw(i * 40, i * 40, 40, 40, 0, ptr);
+
+
+	draw(200, 100, 40, 40, 0xff00ff, ptr);
+	draw(100, 200, 40, 40, 0xff00ff, ptr);
+
+	drmBOUnmap(fd, &bo);
+}
diff --git a/tests/modedemo/test b/tests/modedemo/test
new file mode 100755
index 00000000..f98e3708
--- /dev/null
+++ b/tests/modedemo/test
@@ -0,0 +1 @@
+LD_PRELOAD=../../libdrm/.libs/libdrm.so ./app