[Intel-gfx] [PATCH] demos/intel_sprite_on: Added support to display all sprites.
Gagandeep S Arora
gagandeep.s.arora at intel.com
Fri Sep 12 21:28:32 CEST 2014
From: gsarora <gagandeep.s.arora at intel.com>
Extended intel_sprite_on functionality to display all the
available sprite planes on a particular connector.
Signed-off-by: Gagandeep S Arora <gagandeep.s.arora at intel.com>
---
demos/intel_sprite_on.c | 138 ++++++++++++++++++++++++++++++------------------
1 file changed, 87 insertions(+), 51 deletions(-)
diff --git a/demos/intel_sprite_on.c b/demos/intel_sprite_on.c
index a1c6a34..23fc56c 100644
--- a/demos/intel_sprite_on.c
+++ b/demos/intel_sprite_on.c
@@ -279,12 +279,12 @@ static void connector_find_preferred_mode(int gfx_fd,
c->connector = connector;
}
-static int connector_find_plane(int gfx_fd, struct connector *c)
+static int connector_find_plane(int gfx_fd, struct connector *c,
+ unsigned int **sprite_plane_id)
{
drmModePlaneRes *plane_resources;
drmModePlane *ovr;
- uint32_t id = 0;
- int i;
+ int i, sprite_plane_count = 0;
plane_resources = drmModeGetPlaneResources(gfx_fd);
if (!plane_resources) {
@@ -293,6 +293,12 @@ static int connector_find_plane(int gfx_fd, struct connector *c)
return 0;
}
+ /* Allocating buffer to hold sprite plane ids of the
+ * current connector.
+ */
+ *sprite_plane_id = (unsigned int *) malloc(plane_resources->count_planes *
+ sizeof(unsigned int));
+
for (i = 0; i < plane_resources->count_planes; i++) {
ovr = drmModeGetPlane(gfx_fd, plane_resources->planes[i]);
if (!ovr) {
@@ -300,16 +306,15 @@ static int connector_find_plane(int gfx_fd, struct connector *c)
strerror(errno));
continue;
}
-
+ /* Add the available sprite id to the buffer sprite_plane_id.
+ */
if (ovr->possible_crtcs & (1 << c->pipe)) {
- id = ovr->plane_id;
- drmModeFreePlane(ovr);
- break;
+ (*sprite_plane_id)[sprite_plane_count++] = ovr->plane_id;
}
drmModeFreePlane(ovr);
}
- return id;
+ return sprite_plane_count;
}
static int prepare_primary_surface(int fd, int prim_width, int prim_height,
@@ -479,8 +484,8 @@ static void ricochet(int tiled, int sprite_w, int sprite_h,
const int num_surfaces = 3;
uint32_t sprite_handles[num_surfaces];
uint32_t sprite_fb_id[num_surfaces];
- int sprite_x;
- int sprite_y;
+ int *sprite_x = NULL;
+ int *sprite_y = NULL;
uint32_t sprite_stride;
uint32_t sprite_size;
uint32_t handles[4],
@@ -499,10 +504,10 @@ static void ricochet(int tiled, int sprite_w, int sprite_h,
curr_term;
int c_index;
int sprite_index;
- unsigned int sprite_plane_id;
+ unsigned int *sprite_plane_id = NULL;
uint32_t plane_flags = 0;
- int delta_x,
- delta_y;
+ int *delta_x = NULL,
+ *delta_y = NULL;
struct timeval stTimeVal;
long long currTime,
prevFlipTime,
@@ -511,7 +516,8 @@ static void ricochet(int tiled, int sprite_w, int sprite_h,
deltaMoveTime,
SleepTime;
char key;
-
+ int sprite_plane_count = 0;
+ int i;
// Open up I915 graphics device
gfx_fd = drmOpen("i915", NULL);
if (gfx_fd < 0) {
@@ -564,8 +570,9 @@ static void ricochet(int tiled, int sprite_w, int sprite_h,
// 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) {
+ sprite_plane_count = connector_find_plane(gfx_fd, &curr_connector,
+ &sprite_plane_id);
+ if (!sprite_plane_count) {
printf("Failed to find sprite plane on crtc\n");
goto out;
}
@@ -704,12 +711,15 @@ static void ricochet(int tiled, int sprite_w, int sprite_h,
}
// 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));
- assert(ret == 0);
+ for(i = 0; i < sprite_plane_count; i++) {
+ set.plane_id = sprite_plane_id[i];
+ 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));
+ assert(ret == 0);
+ }
// Set up sprite output dimensions, initial position, etc.
if (out_w > prim_width / 2)
@@ -717,10 +727,21 @@ static void ricochet(int tiled, int sprite_w, int sprite_h,
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);
+ delta_x = (int *) malloc(sprite_plane_count * sizeof(int));
+ delta_y = (int *) malloc(sprite_plane_count * sizeof(int));
+ sprite_x = (int *) malloc(sprite_plane_count * sizeof(int));
+ sprite_y = (int *) malloc(sprite_plane_count * sizeof(int));
+
+ /* Initializing the coordinates (x,y) of the available sprites on the
+ * connector, equally spaced along the diagonal of the rectangle
+ * {(0,0),(prim_width/2, prim_height/2)}.
+ */
+ for(i = 0; i < sprite_plane_count; i++) {
+ delta_x[i] = 3;
+ delta_y[i] = 4;
+ sprite_x[i] = i * (prim_width / (2 * sprite_plane_count));
+ sprite_y[i] = i * (prim_height / (2 * sprite_plane_count));
+ }
currTime = 0;
prevFlipTime = 0; // Will force immediate sprite flip
@@ -748,38 +769,44 @@ static void ricochet(int tiled, int sprite_w, int sprite_h,
// Move the sprite on the screen and flip
// the surface if the index has changed
// NB: sprite_w and sprite_h must be 16.16 fixed point, herego << 16
- 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 << 16, sprite_h << 16))
- printf("Failed to enable sprite plane: %s\n", strerror(errno));
+ for(i = 0; i < sprite_plane_count; i++) {
+ if (drmModeSetPlane(gfx_fd, sprite_plane_id[i],
+ curr_connector.crtc,
+ sprite_fb_id[sprite_index],
+ plane_flags,
+ sprite_x[i], sprite_y[i],
+ out_w, out_h,
+ 0, 0,
+ sprite_w << 16, sprite_h << 16))
+ 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;
- }
+ for(i = 0; i < sprite_plane_count; i++) {
+ sprite_x[i] += delta_x[i];
+ sprite_y[i] += delta_y[i];
+ if (sprite_x[i] < 0) {
+ sprite_x[i] = 0;
+ delta_x[i] = -delta_x[i];
+ }
+ else if (sprite_x[i] > prim_width - out_w) {
+ sprite_x[i] = prim_width - out_w;
+ delta_x[i] = -delta_x[i];
+ }
- 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;
+ if (sprite_y[i] < 0) {
+ sprite_y[i] = 0;
+ delta_y[i] = -delta_y[i];
+ }
+ else if (sprite_y[i] > prim_height - out_h) {
+ sprite_y[i] = prim_height - out_h;
+ delta_y[i] = -delta_y[i];
+ }
}
-
prevMoveTime = currTime;
}
@@ -829,6 +856,15 @@ static void ricochet(int tiled, int sprite_w, int sprite_h,
deltaFlipTime : deltaMoveTime;
usleep(SleepTime);
}
+
+ free(sprite_plane_id);
+ free(sprite_x);
+ free(sprite_y);
+ free(delta_x);
+ free(delta_y);
+ sprite_plane_id = NULL;
+ sprite_plane_count = 0;
+ sprite_x = sprite_y = delta_x = delta_y = NULL;
}
out:
--
2.1.0
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