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-rw-r--r--demos/intel_sprite_on.c1222
1 files changed, 1222 insertions, 0 deletions
diff --git a/demos/intel_sprite_on.c b/demos/intel_sprite_on.c
new file mode 100644
index 00000000..79fe678f
--- /dev/null
+++ b/demos/intel_sprite_on.c
@@ -0,0 +1,1222 @@
+/*
+ * Copyright 2012 Corporation
+ *
+ * Author:
+ * Armin Reese <armin.c.reese@intel.com>
+ *
+ * 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, sublicense,
+ * 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 above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+/*
+ * This program is intended for testing sprite functionality.
+ */
+#include <assert.h>
+#include <errno.h>
+#include <math.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <termios.h>
+#include <sys/time.h>
+#include <sys/poll.h>
+#include <sys/time.h>
+#include <sys/mman.h>
+#include <sys/ioctl.h>
+
+#include "xf86drm.h"
+#include "xf86drmMode.h"
+#include "i915_drm.h"
+
+#if defined(DRM_IOCTL_MODE_ADDFB2) && defined(DRM_I915_SET_SPRITE_COLORKEY)
+#define TEST_PLANES 1
+#include "drm_fourcc.h"
+#endif
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+struct type_name
+{
+ int type;
+ char *name;
+};
+
+#define type_name_fn(res) \
+static char * res##_str(int type) { \
+ unsigned int i; \
+ for (i = 0; i < ARRAY_SIZE(res##_names); i++) { \
+ if (res##_names[i].type == type) \
+ return res##_names[i].name; \
+ } \
+ return "(invalid)"; \
+}
+
+struct type_name encoder_type_names[] = {
+ { DRM_MODE_ENCODER_NONE, "none" },
+ { DRM_MODE_ENCODER_DAC, "DAC" },
+ { DRM_MODE_ENCODER_TMDS, "TMDS" },
+ { DRM_MODE_ENCODER_LVDS, "LVDS" },
+ { DRM_MODE_ENCODER_TVDAC, "TVDAC" },
+};
+
+type_name_fn(encoder_type)
+
+struct type_name connector_status_names[] = {
+ { DRM_MODE_CONNECTED, "connected" },
+ { DRM_MODE_DISCONNECTED, "disconnected" },
+ { DRM_MODE_UNKNOWNCONNECTION, "unknown" },
+};
+
+type_name_fn(connector_status)
+
+struct type_name connector_type_names[] = {
+ { DRM_MODE_CONNECTOR_Unknown, "unknown" },
+ { DRM_MODE_CONNECTOR_VGA, "VGA" },
+ { DRM_MODE_CONNECTOR_DVII, "DVI-I" },
+ { DRM_MODE_CONNECTOR_DVID, "DVI-D" },
+ { DRM_MODE_CONNECTOR_DVIA, "DVI-A" },
+ { DRM_MODE_CONNECTOR_Composite, "composite" },
+ { DRM_MODE_CONNECTOR_SVIDEO, "s-video" },
+ { DRM_MODE_CONNECTOR_LVDS, "LVDS" },
+ { DRM_MODE_CONNECTOR_Component, "component" },
+ { DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN" },
+ { DRM_MODE_CONNECTOR_DisplayPort, "DisplayPort" },
+ { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A" },
+ { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B" },
+ { DRM_MODE_CONNECTOR_TV, "TV" },
+ { DRM_MODE_CONNECTOR_eDP, "Embedded DisplayPort" },
+};
+
+type_name_fn(connector_type)
+
+/*
+ * Mode setting with the kernel interfaces is a bit of a chore.
+ * First you have to find the connector in question and make sure the
+ * requested mode is available.
+ * Then you need to find the encoder attached to that connector so you
+ * can bind it with a free crtc.
+ */
+struct connector
+{
+ uint32_t id;
+ int mode_valid;
+ drmModeModeInfo mode;
+ drmModeEncoder *encoder;
+ drmModeConnector *connector;
+ int crtc;
+ int pipe;
+};
+
+//*****************************************************************************
+//
+// usage
+//
+//*****************************************************************************
+static void dump_mode(
+ drmModeModeInfo *mode)
+{
+ printf(" %s %d %d %d %d %d %d %d %d %d 0x%x 0x%x %d\n",
+ mode->name,
+ mode->vrefresh,
+ mode->hdisplay,
+ mode->hsync_start,
+ mode->hsync_end,
+ mode->htotal,
+ mode->vdisplay,
+ mode->vsync_start,
+ mode->vsync_end,
+ mode->vtotal,
+ mode->flags,
+ mode->type,
+ mode->clock);
+}
+
+//*****************************************************************************
+//
+// dump_connectors
+//
+//*****************************************************************************
+static void dump_connectors(
+ int gfx_fd,
+ drmModeRes *resources)
+{
+ int i, j;
+
+ printf("Connectors:\n");
+ printf("id\tencoder\tstatus\t\ttype\tsize (mm)\tmodes\n");
+ for (i = 0; i < resources->count_connectors; i++) {
+ drmModeConnector *connector;
+
+ connector = drmModeGetConnector(gfx_fd, resources->connectors[i]);
+ if (!connector) {
+ printf("could not get connector %i: %s\n",
+ resources->connectors[i], strerror(errno));
+ continue;
+ }
+
+ printf("%d\t%d\t%s\t%s\t%dx%d\t\t%d\n",
+ connector->connector_id,
+ connector->encoder_id,
+ connector_status_str(connector->connection),
+ connector_type_str(connector->connector_type),
+ connector->mmWidth, connector->mmHeight,
+ connector->count_modes);
+
+ if (!connector->count_modes)
+ continue;
+
+ printf(" modes:\n");
+ printf(" name refresh (Hz) hdisp hss hse htot vdisp "
+ "vss vse vtot flags type clock\n");
+ for (j = 0; j < connector->count_modes; j++)
+ dump_mode(&connector->modes[j]);
+
+ drmModeFreeConnector(connector);
+ }
+ printf("\n");
+}
+
+//*****************************************************************************
+//
+// dump_crtcs
+//
+//*****************************************************************************
+static void dump_crtcs(
+ int gfx_fd,
+ drmModeRes *resources)
+{
+ int i;
+
+ printf("CRTCs:\n");
+ printf("id\tfb\tpos\tsize\n");
+ for (i = 0; i < resources->count_crtcs; i++) {
+ drmModeCrtc *crtc;
+
+ crtc = drmModeGetCrtc(gfx_fd, resources->crtcs[i]);
+ if (!crtc) {
+ printf("could not get crtc %i: %s\n",
+ resources->crtcs[i],
+ strerror(errno));
+ continue;
+ }
+ printf("%d\t%d\t(%d,%d)\t(%dx%d)\n",
+ crtc->crtc_id,
+ crtc->buffer_id,
+ crtc->x, crtc->y,
+ crtc->width, crtc->height);
+ dump_mode(&crtc->mode);
+
+ drmModeFreeCrtc(crtc);
+ }
+ printf("\n");
+}
+
+//*****************************************************************************
+//
+// dump_planes
+//
+//*****************************************************************************
+static void dump_planes(
+ int gfx_fd,
+ drmModeRes *resources)
+{
+ drmModePlaneRes *plane_resources;
+ drmModePlane *ovr;
+ int i;
+
+ plane_resources = drmModeGetPlaneResources(gfx_fd);
+ if (!plane_resources) {
+ printf("drmModeGetPlaneResources failed: %s\n",
+ strerror(errno));
+ return;
+ }
+
+ printf("Planes:\n");
+ printf("id\tcrtc\tfb\tCRTC x,y\tx,y\tgamma size\n");
+ for (i = 0; i < plane_resources->count_planes; i++) {
+ ovr = drmModeGetPlane(gfx_fd, plane_resources->planes[i]);
+ if (!ovr) {
+ printf("drmModeGetPlane failed: %s\n",
+ strerror(errno));
+ continue;
+ }
+
+ printf("%d\t%d\t%d\t%d,%d\t\t%d,%d\t%d\n",
+ ovr->plane_id, ovr->crtc_id, ovr->fb_id,
+ ovr->crtc_x, ovr->crtc_y, ovr->x, ovr->y,
+ ovr->gamma_size);
+
+ drmModeFreePlane(ovr);
+ }
+ printf("\n");
+
+ return;
+}
+
+//*****************************************************************************
+//
+// connector_find_preferred_mode
+//
+//*****************************************************************************
+static void connector_find_preferred_mode(
+ int gfx_fd,
+ drmModeRes *gfx_resources,
+ struct connector *c)
+{
+ drmModeConnector *connector;
+ drmModeEncoder *encoder = NULL;
+ int i, j;
+
+ /* First, find the connector & mode */
+ c->mode_valid = 0;
+ connector = drmModeGetConnector(gfx_fd, c->id);
+ if (!connector) {
+ printf("could not get connector %d: %s\n",
+ c->id,
+ strerror(errno));
+ drmModeFreeConnector(connector);
+ return;
+ }
+
+ if (connector->connection != DRM_MODE_CONNECTED) {
+ drmModeFreeConnector(connector);
+ return;
+ }
+
+ if (!connector->count_modes) {
+ printf("connector %d has no modes\n",
+ c->id);
+ drmModeFreeConnector(connector);
+ return;
+ }
+
+ if (connector->connector_id != c->id) {
+ printf("connector id doesn't match (%d != %d)\n",
+ connector->connector_id,
+ c->id);
+ drmModeFreeConnector(connector);
+ return;
+ }
+
+ for (j = 0; j < connector->count_modes; j++) {
+ c->mode = connector->modes[j];
+ if (c->mode.type & DRM_MODE_TYPE_PREFERRED) {
+ c->mode_valid = 1;
+ break;
+ }
+ }
+
+ if (!c->mode_valid) {
+ if (connector->count_modes > 0) {
+ /* use the first mode as test mode */
+ c->mode = connector->modes[0];
+ c->mode_valid = 1;
+ } else {
+ printf("failed to find any modes on connector %d\n",
+ c->id);
+ return;
+ }
+ }
+
+ /* Now get the encoder */
+ for (i = 0; i < connector->count_encoders; i++) {
+ encoder = drmModeGetEncoder(gfx_fd, connector->encoders[i]);
+
+ if (!encoder) {
+ printf("could not get encoder %i: %s\n",
+ gfx_resources->encoders[i],
+ strerror(errno));
+ drmModeFreeEncoder(encoder);
+ continue;
+ }
+
+ break;
+ }
+
+ c->encoder = encoder;
+
+ if (i == gfx_resources->count_encoders) {
+ printf("failed to find encoder\n");
+ c->mode_valid = 0;
+ return;
+ }
+
+ /* Find first CRTC not in use */
+ for (i = 0; i < gfx_resources->count_crtcs; i++) {
+ if (gfx_resources->crtcs[i] && (c->encoder->possible_crtcs & (1<<i)))
+ break;
+ }
+ c->crtc = gfx_resources->crtcs[i];
+ c->pipe = i;
+
+ gfx_resources->crtcs[i] = 0;
+
+ c->connector = connector;
+}
+
+//*****************************************************************************
+//
+// gem_create
+//
+//*****************************************************************************
+static uint32_t gem_create(int fd, int size)
+{
+ struct drm_i915_gem_create create;
+
+ create.handle = 0;
+ create.size = (size + 4095) & -4096;
+ (void)drmIoctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create);
+
+ return create.handle;
+}
+
+//*****************************************************************************
+//
+// gem_mmap
+//
+//*****************************************************************************
+static void *gem_mmap(int fd, uint32_t handle, int size, int prot)
+{
+ struct drm_i915_gem_mmap_gtt mmap_arg;
+ void *ptr;
+
+ mmap_arg.handle = handle;
+ if (drmIoctl(fd, DRM_IOCTL_I915_GEM_MMAP_GTT, &mmap_arg))
+ return NULL;
+
+ ptr = mmap(0, size, prot, MAP_SHARED, fd, mmap_arg.offset);
+ if (ptr == MAP_FAILED)
+ ptr = NULL;
+
+ return ptr;
+}
+
+//*****************************************************************************
+//
+// gem_close
+//
+//*****************************************************************************
+static void gem_close(int fd, uint32_t handle)
+{
+ struct drm_gem_close close_st;
+
+ close_st.handle = handle;
+ (void)drmIoctl(fd, DRM_IOCTL_GEM_CLOSE, &close_st);
+}
+
+//*****************************************************************************
+//
+// connector_find_plane
+//
+//*****************************************************************************
+static int connector_find_plane(int gfx_fd, struct connector *c)
+{
+ drmModePlaneRes *plane_resources;
+ drmModePlane *ovr;
+ uint32_t id = 0;
+ int i;
+
+ plane_resources = drmModeGetPlaneResources(gfx_fd);
+ if (!plane_resources) {
+ printf("drmModeGetPlaneResources failed: %s\n",
+ strerror(errno));
+ return 0;
+ }
+
+ for (i = 0; i < plane_resources->count_planes; i++) {
+ ovr = drmModeGetPlane(gfx_fd, plane_resources->planes[i]);
+ if (!ovr) {
+ printf("drmModeGetPlane failed: %s\n",
+ strerror(errno));
+ continue;
+ }
+
+ if (ovr->possible_crtcs & (1 << c->pipe)) {
+ id = ovr->plane_id;
+ drmModeFreePlane(ovr);
+ break;
+ }
+ drmModeFreePlane(ovr);
+ }
+
+ return id;
+}
+
+//*****************************************************************************
+//
+// disable_planes
+//
+//*****************************************************************************
+static void disable_planes(
+ int gfx_fd)
+{
+ struct connector *connectors;
+ drmModeRes *resources;
+ int c;
+
+ resources = drmModeGetResources(gfx_fd);
+ if (!resources) {
+ printf("drmModeGetResources failed: %s\n",
+ strerror(errno));
+ return;
+ }
+
+ connectors = calloc(resources->count_connectors,
+ sizeof(struct connector));
+ if (!connectors)
+ return;
+
+ /* Find any connected displays */
+ for (c = 0; c < resources->count_connectors; c++) {
+ uint32_t sprite_plane_id;
+
+ sprite_plane_id = connector_find_plane(gfx_fd, &connectors[c]);
+ if (!sprite_plane_id) {
+ printf("failed to find plane for crtc\n");
+ return;
+ }
+ if (drmModeSetPlane(gfx_fd, sprite_plane_id, connectors[c].crtc, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0)) {
+ printf("failed to disable plane: %s\n",
+ strerror(errno));
+ return;
+ }
+ }
+ drmModeFreeResources(resources);
+ return;
+}
+
+//*****************************************************************************
+//
+// prepare_primary_surface
+//
+//*****************************************************************************
+static int prepare_primary_surface(
+ int fd,
+ int prim_width,
+ int prim_height,
+ uint32_t *prim_handle,
+ uint32_t *prim_stride,
+ uint32_t *prim_size,
+ int tiled)
+{
+ uint32_t bytes_per_pixel = sizeof(uint32_t);
+ uint32_t *prim_fb_ptr;
+ struct drm_i915_gem_set_tiling set_tiling;
+
+ if (bytes_per_pixel != sizeof(uint32_t)) {
+ printf("Bad bytes_per_pixel for primary surface: %d\n",
+ bytes_per_pixel);
+ return -EINVAL;
+ }
+
+ if (tiled) {
+ int v;
+
+ /* Round the tiling up to the next power-of-two and the
+ * region up to the next pot fence size so that this works
+ * on all generations.
+ *
+ * This can still fail if the framebuffer is too large to
+ * be tiled. But then that failure is expected.
+ */
+
+ v = prim_width * bytes_per_pixel;
+ for (*prim_stride = 512; *prim_stride < v; *prim_stride *= 2)
+ ;
+
+ v = *prim_stride * prim_height;
+ for (*prim_size = 1024*1024; *prim_size < v; *prim_size *= 2)
+ ;
+ } else {
+ /* Scan-out has a 64 byte alignment restriction */
+ *prim_stride = (prim_width * bytes_per_pixel + 63) & ~63;
+ *prim_size = *prim_stride * prim_height;
+ }
+
+ *prim_handle = gem_create(fd, *prim_size);
+
+ if (tiled) {
+ set_tiling.handle = *prim_handle;
+ set_tiling.tiling_mode = I915_TILING_X;
+ set_tiling.stride = *prim_stride;
+ if (ioctl(fd, DRM_IOCTL_I915_GEM_SET_TILING, &set_tiling)) {
+ printf("Set tiling failed: %s (stride=%d, size=%d)\n",
+ strerror(errno), *prim_stride, *prim_size);
+ return -1;
+ }
+ }
+
+ prim_fb_ptr = gem_mmap(fd,
+ *prim_handle, *prim_size,
+ PROT_READ | PROT_WRITE);
+
+ if (prim_fb_ptr != NULL) {
+ // Write primary surface with gray background
+ memset(prim_fb_ptr, 0x3f, *prim_size);
+ munmap(prim_fb_ptr, *prim_size);
+ }
+
+ return 0;
+}
+
+//*****************************************************************************
+//
+// fill_sprite
+//
+//*****************************************************************************
+static void fill_sprite(
+ int sprite_width,
+ int sprite_height,
+ int sprite_stride,
+ int sprite_index,
+ void *sprite_fb_ptr)
+{
+ __u32 *pLinePat0,
+ *pLinePat1,
+ *pLinePtr;
+ int i,
+ line;
+ int stripe_width;
+
+ stripe_width = ((sprite_width > 64) &&
+ (sprite_height > 64)) ? (sprite_index + 1) * 8 :
+ (sprite_index + 1) * 2;
+
+ // Note: sprite_stride is in bytes. pLinePat0 and pLinePat1
+ // are both __u32 pointers
+ pLinePat0 = sprite_fb_ptr;
+ pLinePat1 = pLinePat0 + (stripe_width * (sprite_stride / sizeof(*pLinePat0)));
+
+ for (i = 0; i < sprite_width; i++) {
+ *(pLinePat0 + i) = ((i / stripe_width) & 0x1) ? 0 : ~0;
+ *(pLinePat1 + i) = ~(*(pLinePat0 + i));
+ }
+
+ for (line = 1; line < sprite_height; line++) {
+ if (line == stripe_width) {
+ continue;
+ }
+
+ pLinePtr = ((line / stripe_width) & 0x1) ? pLinePat1 : pLinePat0;
+ memcpy( pLinePat0 + ((sprite_stride / sizeof(*pLinePat0)) * line),
+ pLinePtr,
+ sprite_width * sizeof(*pLinePat0));
+ }
+
+ return;
+}
+
+//*****************************************************************************
+//
+// prepare_sprite_surfaces
+//
+//*****************************************************************************
+static int prepare_sprite_surfaces(
+ int fd,
+ int sprite_width,
+ int sprite_height,
+ uint32_t num_surfaces,
+ uint32_t *sprite_handles,
+ uint32_t *sprite_stride,
+ uint32_t *sprite_size,
+ int tiled)
+{
+ uint32_t bytes_per_pixel = sizeof(uint32_t);
+ uint32_t *sprite_fb_ptr;
+ struct drm_i915_gem_set_tiling set_tiling;
+ int i;
+
+ if (bytes_per_pixel != sizeof(uint32_t)) {
+ printf("Bad bytes_per_pixel for sprite: %d\n", bytes_per_pixel);
+ return -EINVAL;
+ }
+
+ if (tiled) {
+ int v;
+
+ /* Round the tiling up to the next power-of-two and the
+ * region up to the next pot fence size so that this works
+ * on all generations.
+ *
+ * This can still fail if the framebuffer is too large to
+ * be tiled. But then that failure is expected.
+ */
+
+ v = sprite_width * bytes_per_pixel;
+ for (*sprite_stride = 512; *sprite_stride < v; *sprite_stride *= 2)
+ ;
+
+ v = *sprite_stride * sprite_height;
+ for (*sprite_size = 1024*1024; *sprite_size < v; *sprite_size *= 2)
+ ;
+ } else {
+ /* Scan-out has a 64 byte alignment restriction */
+ *sprite_stride = (sprite_width * bytes_per_pixel + 63) & ~63;
+ *sprite_size = *sprite_stride * sprite_height;
+ }
+
+ for (i = 0; i < num_surfaces; i++) {
+ // Create the sprite surface
+ sprite_handles[i] = gem_create(fd, *sprite_size);
+
+ if (tiled) {
+ set_tiling.handle = sprite_handles[i];
+ set_tiling.tiling_mode = I915_TILING_X;
+ set_tiling.stride = *sprite_stride;
+ if (ioctl(fd, DRM_IOCTL_I915_GEM_SET_TILING, &set_tiling)) {
+ printf("Set tiling failed: %s (stride=%d, size=%d)\n",
+ strerror(errno), *sprite_stride, *sprite_size);
+ return -1;
+ }
+ }
+
+ // Get pointer to the surface
+ sprite_fb_ptr = gem_mmap(fd,
+ sprite_handles[i], *sprite_size,
+ PROT_READ | PROT_WRITE);
+
+ if (sprite_fb_ptr != NULL) {
+ // Fill with checkerboard pattern
+ fill_sprite(
+ sprite_width,
+ sprite_height,
+ *sprite_stride,
+ i, sprite_fb_ptr);
+
+ munmap(sprite_fb_ptr, *sprite_size);
+ } else {
+ i--;
+ while (i >= 0) {
+ gem_close(fd, sprite_handles[i]);
+ i--;
+ }
+ }
+ }
+
+ return 0;
+}
+
+//*****************************************************************************
+//
+// ricochet
+//
+//*****************************************************************************
+static void ricochet(
+ int tiled,
+ int sprite_w,
+ int sprite_h,
+ int out_w,
+ int out_h,
+ int dump_info)
+{
+ int ret;
+ int gfx_fd;
+ int keep_moving;
+ const int num_surfaces = 3;
+ uint32_t sprite_handles[num_surfaces];
+ uint32_t sprite_fb_id[num_surfaces];
+ int sprite_x;
+ int sprite_y;
+ uint32_t sprite_stride;
+ uint32_t sprite_size;
+ uint32_t handles[4],
+ pitches[4],
+ offsets[4]; /* we only use [0] */
+ uint32_t prim_width,
+ prim_height,
+ prim_handle,
+ prim_stride,
+ prim_size,
+ prim_fb_id;
+ struct drm_intel_sprite_colorkey set;
+ struct connector curr_connector;
+ drmModeRes *gfx_resources;
+ struct termios orig_term,
+ curr_term;
+ int c_index;
+ int sprite_index;
+ unsigned int sprite_plane_id;
+ uint32_t plane_flags = 0;
+ int delta_x,
+ delta_y;
+ struct timeval stTimeVal;
+ long long currTime,
+ prevFlipTime,
+ prevMoveTime,
+ deltaFlipTime,
+ deltaMoveTime,
+ SleepTime;
+ char key;
+
+ // Open up I915 graphics device
+ gfx_fd = drmOpen("i915", NULL);
+ if (gfx_fd < 0) {
+ printf("Failed to load i915 driver: %s\n", strerror(errno));
+ return;
+ }
+
+ // Obtain pointer to struct containing graphics resources
+ gfx_resources = drmModeGetResources(gfx_fd);
+ if (!gfx_resources) {
+ printf("drmModeGetResources failed: %s\n", strerror(errno));
+ return;
+ }
+
+ if (dump_info != 0) {
+ dump_connectors(gfx_fd, gfx_resources);
+ dump_crtcs(gfx_fd, gfx_resources);
+ dump_planes(gfx_fd, gfx_resources);
+ }
+
+ // Save previous terminal settings
+ if (tcgetattr( 0, &orig_term) != 0) {
+ printf("tcgetattr failure: %s\n",
+ strerror(errno));
+ return;
+ }
+
+ // Set up input to return characters immediately
+ curr_term = orig_term;
+ curr_term.c_lflag &= ~(ICANON | ECHO | ECHONL);
+ curr_term.c_cc[VMIN] = 0; // No minimum number of characters
+ curr_term.c_cc[VTIME] = 0 ; // Return immediately, even if
+ // nothing has been entered.
+ if (tcsetattr( 0, TCSANOW, &curr_term) != 0) {
+ printf("tcgetattr failure: %s\n",
+ strerror(errno));
+ return;
+ }
+
+ // Cycle through all connectors and display the flying sprite
+ // where there are displays attached and the hardware will support it.
+ for (c_index = 0; c_index < gfx_resources->count_connectors; c_index++) {
+ curr_connector.id = gfx_resources->connectors[c_index];
+
+ // Find the native (preferred) display mode
+ connector_find_preferred_mode(gfx_fd, gfx_resources, &curr_connector);
+ if (curr_connector.mode_valid == 0) {
+ printf("No valid preferred mode detected\n");
+ goto out;
+ }
+
+ // Determine if sprite hardware is available on pipe
+ // associated with this connector.
+ sprite_plane_id = connector_find_plane(gfx_fd, &curr_connector);
+ if (!sprite_plane_id) {
+ printf("Failed to find sprite plane on crtc\n");
+ goto out;
+ }
+
+ // Width and height of preferred mode
+ prim_width = curr_connector.mode.hdisplay;
+ prim_height = curr_connector.mode.vdisplay;
+
+ // Allocate and fill memory for primary surface
+ ret = prepare_primary_surface(
+ gfx_fd,
+ prim_width,
+ prim_height,
+ &prim_handle,
+ &prim_stride,
+ &prim_size,
+ tiled);
+ if (ret != 0) {
+ printf("Failed to add primary fb (%dx%d): %s\n",
+ prim_width, prim_height, strerror(errno));
+ goto out;
+ }
+
+ // Add the primary surface framebuffer
+ ret = drmModeAddFB(
+ gfx_fd,
+ prim_width,
+ prim_height,
+ 24, 32,
+ prim_stride,
+ prim_handle,
+ &prim_fb_id);
+ gem_close(gfx_fd, prim_handle);
+
+ if (ret != 0) {
+ printf("Failed to add primary fb (%dx%d): %s\n",
+ prim_width, prim_height, strerror(errno));
+ goto out;
+ }
+
+ // Allocate and fill sprite surfaces
+ ret = prepare_sprite_surfaces(
+ gfx_fd,
+ sprite_w,
+ sprite_h,
+ num_surfaces,
+ &sprite_handles[0],
+ &sprite_stride,
+ &sprite_size,
+ tiled);
+ if (ret != 0) {
+ printf("Preparation of sprite surfaces failed %dx%d\n",
+ sprite_w, sprite_h);
+ goto out;
+ }
+
+ // Add the sprite framebuffers
+ for (sprite_index = 0; sprite_index < num_surfaces; sprite_index++) {
+ handles[0] = sprite_handles[sprite_index];
+ handles[1] = handles[0];
+ handles[2] = handles[0];
+ handles[3] = handles[0];
+ pitches[0] = sprite_stride;
+ pitches[1] = sprite_stride;
+ pitches[2] = sprite_stride;
+ pitches[3] = sprite_stride;
+ memset(offsets, 0, sizeof(offsets));
+
+ ret = drmModeAddFB2(
+ gfx_fd,
+ sprite_w, sprite_h, DRM_FORMAT_XRGB8888,
+ handles, pitches, offsets, &sprite_fb_id[sprite_index],
+ plane_flags);
+ gem_close(gfx_fd, sprite_handles[sprite_index]);
+
+ if (ret) {
+ printf("Failed to add sprite fb (%dx%d): %s\n",
+ sprite_w, sprite_h, strerror(errno));
+
+ sprite_index--;
+ while (sprite_index >= 0) {
+ drmModeRmFB(gfx_fd, sprite_fb_id[sprite_index]);
+ sprite_index--;
+ }
+ goto out;
+ }
+ }
+
+ if (dump_info != 0) {
+ printf("Displayed Mode Connector struct:\n"
+ " .id = %d\n"
+ " .mode_valid = %d\n"
+ " .crtc = %d\n"
+ " .pipe = %d\n"
+ " drmModeModeInfo ...\n"
+ " .name = %s\n"
+ " .type = %d\n"
+ " .flags = %08x\n"
+ " drmModeEncoder ...\n"
+ " .encoder_id = %d\n"
+ " .encoder_type = %d\n"
+ " .crtc_id = %d\n"
+ " .possible_crtcs = %d\n"
+ " .possible_clones = %d\n"
+ " drmModeConnector ...\n"
+ " .connector_id = %d\n"
+ " .encoder_id = %d\n"
+ " .connector_type = %d\n"
+ " .connector_type_id = %d\n\n",
+ curr_connector.id,
+ curr_connector.mode_valid,
+ curr_connector.crtc,
+ curr_connector.pipe,
+ curr_connector.mode.name,
+ curr_connector.mode.type,
+ curr_connector.mode.flags,
+ curr_connector.encoder->encoder_id,
+ curr_connector.encoder->encoder_type,
+ curr_connector.encoder->crtc_id,
+ curr_connector.encoder->possible_crtcs,
+ curr_connector.encoder->possible_clones,
+ curr_connector.connector->connector_id,
+ curr_connector.connector->encoder_id,
+ curr_connector.connector->connector_type,
+ curr_connector.connector->connector_type_id);
+
+ printf("Sprite surface dimensions = %dx%d\n"
+ "Sprite output dimensions = %dx%d\n"
+ "Press any key to continue >\n",
+ sprite_w,
+ sprite_h,
+ out_w,
+ out_h);
+
+ // Wait for a key-press
+ while( read(0, &key, 1) == 0);
+ // Purge unread characters
+ tcflush(0, TCIFLUSH);
+ }
+
+ // Set up the primary display mode
+ ret = drmModeSetCrtc(
+ gfx_fd,
+ curr_connector.crtc,
+ prim_fb_id,
+ 0, 0,
+ &curr_connector.id,
+ 1,
+ &curr_connector.mode);
+ if (ret != 0)
+ {
+ printf("Failed to set mode (%dx%d@%dHz): %s\n",
+ prim_width, prim_height, curr_connector.mode.vrefresh,
+ strerror(errno));
+ continue;
+ }
+
+ // Set the sprite colorkey state
+ set.plane_id = sprite_plane_id;
+ set.min_value = 0;
+ set.max_value = 0;
+ set.flags = I915_SET_COLORKEY_NONE;
+ ret = drmCommandWrite(gfx_fd, DRM_I915_SET_SPRITE_COLORKEY, &set,
+ sizeof(set));
+
+ // Set up sprite output dimensions, initial position, etc.
+ if (out_w > prim_width / 2)
+ out_w = prim_width / 2;
+ if (out_h > prim_height / 2)
+ out_h - prim_height / 2;
+
+ delta_x = 3;
+ delta_y = 4;
+ sprite_x = (prim_width / 2) - (out_w / 2);
+ sprite_y = (prim_height / 2) - (out_h / 2);
+
+ currTime = 0;
+ prevFlipTime = 0; // Will force immediate sprite flip
+ prevMoveTime = 0; // Will force immediate sprite move
+ deltaFlipTime = 500000; // Flip sprite surface every 1/2 second
+ deltaMoveTime = 100000; // Move sprite every 100 ms
+ sprite_index = num_surfaces - 1;
+ keep_moving = 1;
+
+ // Bounce sprite off the walls
+ while (keep_moving) {
+ // Obtain system time in usec.
+ if (gettimeofday( &stTimeVal, NULL ) != 0) {
+ printf("gettimeofday error: %s\n",
+ strerror(errno));
+ } else {
+ currTime = ((long long)stTimeVal.tv_sec * 1000000) + stTimeVal.tv_usec;
+ }
+
+ // Check if it's time to flip the sprite surface
+ if (currTime - prevFlipTime > deltaFlipTime) {
+ sprite_index = (sprite_index + 1) % num_surfaces;
+
+ prevFlipTime = currTime;
+ }
+
+ // Move the sprite on the screen and flip
+ // the surface if the index has changed
+ if (drmModeSetPlane(
+ gfx_fd,
+ sprite_plane_id,
+ curr_connector.crtc,
+ sprite_fb_id[sprite_index],
+ plane_flags,
+ sprite_x, sprite_y,
+ out_w, out_h,
+ 0, 0,
+ sprite_w, sprite_h)) {
+ printf("Failed to enable sprite plane: %s\n",
+ strerror(errno));
+ }
+
+ // Check if it's time to move the sprite surface
+ if (currTime - prevMoveTime > deltaMoveTime) {
+
+ // Compute the next position for sprite
+ sprite_x += delta_x;
+ sprite_y += delta_y;
+ if (sprite_x < 0) {
+ sprite_x = 0;
+ delta_x = -delta_x;
+ }
+ else if (sprite_x > prim_width - out_w) {
+ sprite_x = prim_width - out_w;
+ delta_x = -delta_x;
+ }
+
+ if (sprite_y < 0) {
+ sprite_y = 0;
+ delta_y = -delta_y;
+ }
+ else if (sprite_y > prim_height - out_h) {
+ sprite_y = prim_height - out_h;
+ delta_y = -delta_y;
+ }
+
+ prevMoveTime = currTime;
+ }
+
+ // Fetch a key from input (non-blocking)
+ if (read(0, &key, 1) == 1) {
+ switch (key) {
+ case 'q': // Kill the program
+ case 'Q':
+ goto out;
+ break;
+ case 's': // Slow down sprite movement;
+ deltaMoveTime = (deltaMoveTime * 100) / 90;
+ if (deltaMoveTime > 800000) {
+ deltaMoveTime = 800000;
+ }
+ break;
+ case 'S': // Speed up sprite movement;
+ deltaMoveTime = (deltaMoveTime * 100) / 110;
+ if (deltaMoveTime < 2000) {
+ deltaMoveTime = 2000;
+ }
+ break;
+ case 'f': // Slow down sprite flipping;
+ deltaFlipTime = (deltaFlipTime * 100) / 90;
+ if (deltaFlipTime > 1000000) {
+ deltaFlipTime = 1000000;
+ }
+ break;
+ case 'F': // Speed up sprite flipping;
+ deltaFlipTime = (deltaFlipTime * 100) / 110;
+ if (deltaFlipTime < 20000) {
+ deltaFlipTime = 20000;
+ }
+ break;
+ case 'n': // Next connector
+ case 'N':
+ keep_moving = 0;
+ break;
+ default:
+ break;
+ }
+
+ // Purge unread characters
+ tcflush(0, TCIFLUSH);
+ }
+
+ // Wait for min of flip or move deltas
+ SleepTime = (deltaFlipTime < deltaMoveTime) ?
+ deltaFlipTime : deltaMoveTime;
+ usleep(SleepTime);
+ }
+ }
+
+out:
+ // Purge unread characters
+ tcflush(0, TCIFLUSH);
+ // Restore previous terminal settings
+ if (tcsetattr( 0, TCSANOW, &orig_term) != 0) {
+ printf("tcgetattr failure: %s\n",
+ strerror(errno));
+ return;
+ }
+
+ drmModeFreeResources(gfx_resources);
+}
+
+//*****************************************************************************
+//
+// usage
+//
+//*****************************************************************************
+static void usage(char *name)
+{
+ printf("usage: %s -s <plane width>x<plane height> [-dhto]\n"
+ "\t-d\t[optional] dump mode information\n"
+ "\t-h\t[optional] output help message\n"
+ "\t-t\t[optional] enable tiling\n"
+ "\t-o\t[optional] <output rect width>x<output rect height>\n\n"
+ "Keyboard control for sprite movement and flip rate ...\n"
+ "\t'q' or 'Q' - Quit the program\n"
+ "\t'n' or 'N' - Switch to next display\n"
+ "\t's' - Slow sprite movement\n"
+ "\t'S' - Speed up sprite movement\n"
+ "\t'f' - Slow sprite surface flipping\n"
+ "\t'F' - Speed up sprite surface flipping\n",
+ name);
+}
+
+//*****************************************************************************
+//
+// main
+//
+//*****************************************************************************
+int main(int argc, char **argv)
+{
+ int c;
+ int test_overlay = 0,
+ enable_tiling = 0,
+ dump_info = 0;
+ int plane_width = 0,
+ plane_height = 0,
+ out_width = 0,
+ out_height = 0;
+ static char optstr[] = "ds:o:th";
+
+ opterr = 0;
+ while ((c = getopt(argc, argv, optstr)) != -1) {
+ switch (c) {
+ case 'd': // Dump information
+ dump_info = 1;
+ break;
+ case 't': // Tiling enable
+ enable_tiling = 1;
+ break;
+ case 's': // Surface dimensions
+ if (sscanf(optarg, "%dx%d",
+ &plane_width, &plane_height) != 2)
+ usage(argv[0]);
+ test_overlay = 1;
+ break;
+ case 'o': // Output dimensions
+ if (sscanf(optarg, "%dx%d",
+ &out_width, &out_height) != 2)
+ usage(argv[0]);
+ break;
+ default:
+ printf("unknown option %c\n", c);
+ /* fall through */
+ case 'h': // Help!
+ usage(argv[0]);
+ goto out;
+ }
+ }
+
+ if (test_overlay) {
+ if (out_width < (plane_width / 2)) {
+ out_width = plane_width;
+ }
+
+ if (out_height < (plane_height / 2)) {
+ out_height = plane_height;
+ }
+
+ ricochet(enable_tiling,
+ plane_width,
+ plane_height,
+ out_width,
+ out_height,
+ dump_info);
+ } else {
+ printf("Sprite dimensions are required:\n");
+ usage(argv[0]);
+ }
+
+out:
+ exit(0);
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 02:54:27 +0000