void grate_framebuffer_free(struct grate_framebuffer *fb)
{
if (fb) {
host1x_framebuffer_free(fb->front);
host1x_framebuffer_free(fb->back);
}
free(fb);
}
struct grate_framebuffer *grate_framebuffer_create(struct grate *grate,
unsigned int width,
unsigned int height,
enum pixel_format format,
enum layout_format layout,
unsigned long flags)
{
struct grate_framebuffer *fb;
fb = calloc(1, sizeof(*fb));
if (!fb)
return NULL;
fb->front = host1x_framebuffer_create(grate->host1x, width, height,
format, layout, 0);
if (!fb->front) {
free(fb);
return NULL;
}
if ((flags & GRATE_DOUBLE_BUFFERED) &&
!grate->options->singlebuffered) {
fb->back = host1x_framebuffer_create(grate->host1x, width,
height, format, layout, 0);
if (!fb->back) {
host1x_framebuffer_free(fb->front);
free(fb);
return NULL;
}
}
return fb;
}
int main(int argc, char *argv[])
{
struct host1x_display *display = NULL;
struct host1x_overlay *overlay = NULL;
struct host1x_framebuffer *fb, *copy;
unsigned int width = 256;
unsigned int height = 256;
struct host1x_gr2d *gr2d;
struct host1x_gr3d *gr3d;
struct host1x *host1x;
int err;
host1x = host1x_open();
if (!host1x) {
fprintf(stderr, "host1x_open() failed\n");
return 1;
}
display = host1x_get_display(host1x);
if (display) {
err = host1x_overlay_create(&overlay, display);
if (err < 0)
fprintf(stderr, "overlay support missing\n");
}
gr2d = host1x_get_gr2d(host1x);
if (!gr2d) {
fprintf(stderr, "host1x_get_gr2d() failed\n");
return 1;
}
gr3d = host1x_get_gr3d(host1x);
if (!gr3d) {
fprintf(stderr, "host1x_get_gr3d() failed\n");
return 1;
}
fb = host1x_framebuffer_create(host1x, width, height, 32, 0);
if (!fb) {
fprintf(stderr, "host1x_framebuffer_create() failed\n");
return 1;
}
copy = host1x_framebuffer_create(host1x, width, height, 32, 0);
if (!copy) {
fprintf(stderr, "host1x_framebuffer_create() failed\n");
return 1;
}
err = host1x_gr2d_clear(gr2d, fb, 0.0f, 0.0f, 0.0f, 1.0f);
if (err < 0) {
fprintf(stderr, "host1x_gr2d_clear() failed: %d\n", err);
return 1;
}
err = host1x_gr3d_triangle(gr3d, fb);
if (err < 0) {
fprintf(stderr, "host1x_gr3d_triangle() failed: %d\n", err);
return 1;
}
err = host1x_gr2d_clear(gr2d, copy, 1.0f, 1.0f, 0.0f, 1.0f);
if (err < 0) {
fprintf(stderr, "host1x_gr2d_clear() failed: %d\n", err);
return 1;
}
if (display && overlay) {
err = host1x_overlay_set(overlay, fb, 0, 0, width, height);
if (err < 0) {
fprintf(stderr, "host1x_overlay_set() failed: %d\n",
err);
} else {
sleep(1);
}
err = host1x_overlay_set(overlay, copy, 0, 0, width, height);
if (err < 0) {
fprintf(stderr, "host1x_overlay_set() failed: %d\n",
err);
} else {
sleep(1);
}
err = host1x_gr2d_blit(gr2d, fb, copy, 0, 0, 0, 0, width, height);
if (err < 0) {
fprintf(stderr, "host1x_gr2d_blit() failed: %d\n", err);
return 1;
} else {
sleep(1);
}
host1x_overlay_close(overlay);
} else {
host1x_framebuffer_save(fb, "test.png");
}
host1x_framebuffer_free(fb);
host1x_close(host1x);
return 0;
}
int main(int argc, char *argv[])
{
struct host1x_display *display = NULL;
struct host1x_overlay *overlay = NULL;
struct host1x_framebuffer *fb;
unsigned int width = 256;
unsigned int height = 256;
struct host1x_gr2d *gr2d;
struct host1x *host1x;
int err;
host1x = host1x_open();
if (!host1x) {
fprintf(stderr, "host1x_open() failed\n");
return 1;
}
display = host1x_get_display(host1x);
if (display) {
err = host1x_overlay_create(&overlay, display);
if (err < 0) {
fprintf(stderr, "overlay support missing\n");
/*
* If overlay support is missing but we still have
* on-screen display support, make the framebuffer
* the same resolution as the display to make sure
* it can be properly displayed.
*/
err = host1x_display_get_resolution(display, &width,
&height);
if (err < 0) {
fprintf(stderr, "host1x_display_get_resolution() failed: %d\n", err);
return 1;
}
}
}
gr2d = host1x_get_gr2d(host1x);
if (!gr2d) {
fprintf(stderr, "host1x_get_gr2d() failed\n");
return 1;
}
fb = host1x_framebuffer_create(host1x, width, height, 32, 0);
if (!fb) {
fprintf(stderr, "host1x_framebuffer_create() failed\n");
return 1;
}
err = host1x_gr2d_clear(gr2d, fb, 1.0f, 0.0f, 1.0f, 1.0f);
if (err < 0) {
fprintf(stderr, "host1x_gr2d_clear() failed: %d\n", err);
return 1;
}
if (display) {
if (overlay) {
err = host1x_overlay_set(overlay, fb, 0, 0, width, height, false);
if (err < 0)
fprintf(stderr, "host1x_overlay_set() failed: %d\n", err);
else
sleep(5);
host1x_overlay_close(overlay);
} else {
err = host1x_display_set(display, fb, false);
if (err < 0)
fprintf(stderr, "host1x_display_set() failed: %d\n", err);
else
sleep(5);
}
} else {
host1x_framebuffer_save(fb, "test.png");
}
host1x_framebuffer_free(fb);
host1x_close(host1x);
return 0;
}
