|
|
@ -18,16 +18,48 @@ |
|
|
|
static const char gem_device[] = "/dev/dri/card0"; |
|
|
|
static const char gem_device[] = "/dev/dri/card0"; |
|
|
|
static const char socket_name[] = "\0wayland"; |
|
|
|
static const char socket_name[] = "\0wayland"; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
static void |
|
|
|
|
|
|
|
unpremultiply_data(uint8_t *data, int width, int height, int stride) |
|
|
|
|
|
|
|
{ |
|
|
|
|
|
|
|
unsigned int i, j; |
|
|
|
|
|
|
|
uint8_t *row; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
for (j = 0; j < height; j++) { |
|
|
|
|
|
|
|
row = data + j * stride; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < width; i++) { |
|
|
|
|
|
|
|
uint8_t *b = &row[i * 4]; |
|
|
|
|
|
|
|
uint32_t pixel; |
|
|
|
|
|
|
|
uint8_t alpha; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
memcpy (&pixel, b, sizeof (uint32_t)); |
|
|
|
|
|
|
|
alpha = (pixel & 0xff000000) >> 24; |
|
|
|
|
|
|
|
if (alpha == 0) { |
|
|
|
|
|
|
|
b[0] = b[1] = b[2] = b[3] = 0; |
|
|
|
|
|
|
|
} else { |
|
|
|
|
|
|
|
b[0] = (((pixel & 0xff0000) >> 16) * 255 + alpha / 2) / alpha; |
|
|
|
|
|
|
|
b[1] = (((pixel & 0x00ff00) >> 8) * 255 + alpha / 2) / alpha; |
|
|
|
|
|
|
|
b[2] = (((pixel & 0x0000ff) >> 0) * 255 + alpha / 2) / alpha; |
|
|
|
|
|
|
|
b[3] = alpha; |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
|
|
static uint32_t name_cairo_surface(int fd, cairo_surface_t *surface) |
|
|
|
static uint32_t name_cairo_surface(int fd, cairo_surface_t *surface) |
|
|
|
{ |
|
|
|
{ |
|
|
|
struct drm_i915_gem_create create; |
|
|
|
struct drm_i915_gem_create create; |
|
|
|
struct drm_gem_flink flink; |
|
|
|
struct drm_gem_flink flink; |
|
|
|
struct drm_i915_gem_pwrite pwrite; |
|
|
|
struct drm_i915_gem_pwrite pwrite; |
|
|
|
int32_t width, height, stride; |
|
|
|
int32_t width, height, stride; |
|
|
|
|
|
|
|
void *data; |
|
|
|
|
|
|
|
|
|
|
|
width = cairo_image_surface_get_width(surface); |
|
|
|
width = cairo_image_surface_get_width(surface); |
|
|
|
height = cairo_image_surface_get_height(surface); |
|
|
|
height = cairo_image_surface_get_height(surface); |
|
|
|
stride = cairo_image_surface_get_stride(surface); |
|
|
|
stride = cairo_image_surface_get_stride(surface); |
|
|
|
|
|
|
|
data = cairo_image_surface_get_data(surface); |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
unpremultiply_data(data, width, height, stride); |
|
|
|
|
|
|
|
|
|
|
|
memset(&create, 0, sizeof(create)); |
|
|
|
memset(&create, 0, sizeof(create)); |
|
|
|
create.size = height * stride; |
|
|
|
create.size = height * stride; |
|
|
@ -40,8 +72,7 @@ static uint32_t name_cairo_surface(int fd, cairo_surface_t *surface) |
|
|
|
pwrite.handle = create.handle; |
|
|
|
pwrite.handle = create.handle; |
|
|
|
pwrite.offset = 0; |
|
|
|
pwrite.offset = 0; |
|
|
|
pwrite.size = height * stride; |
|
|
|
pwrite.size = height * stride; |
|
|
|
pwrite.data_ptr = (uint64_t) (uintptr_t) |
|
|
|
pwrite.data_ptr = (uint64_t) (uintptr_t) data; |
|
|
|
cairo_image_surface_get_data(surface); |
|
|
|
|
|
|
|
if (ioctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &pwrite) < 0) { |
|
|
|
if (ioctl(fd, DRM_IOCTL_I915_GEM_PWRITE, &pwrite) < 0) { |
|
|
|
fprintf(stderr, "gem pwrite failed: %m\n"); |
|
|
|
fprintf(stderr, "gem pwrite failed: %m\n"); |
|
|
|
return 0; |
|
|
|
return 0; |
|
|
@ -149,7 +180,7 @@ int main(int argc, char *argv[]) |
|
|
|
{ |
|
|
|
{ |
|
|
|
struct wl_display *display; |
|
|
|
struct wl_display *display; |
|
|
|
struct wl_surface *surface; |
|
|
|
struct wl_surface *surface; |
|
|
|
const int x = 200, y = 200, width = 200, height = 200; |
|
|
|
const int x = 512, y = 384, width = 200, height = 200; |
|
|
|
int fd, i, ret; |
|
|
|
int fd, i, ret; |
|
|
|
uint32_t name, mask; |
|
|
|
uint32_t name, mask; |
|
|
|
cairo_surface_t *s; |
|
|
|
cairo_surface_t *s; |
|
|
@ -198,13 +229,13 @@ int main(int argc, char *argv[]) |
|
|
|
wl_surface_attach(surface, name, width, height, |
|
|
|
wl_surface_attach(surface, name, width, height, |
|
|
|
cairo_image_surface_get_stride(s)); |
|
|
|
cairo_image_surface_get_stride(s)); |
|
|
|
|
|
|
|
|
|
|
|
i = 0; |
|
|
|
i = ts.tv_nsec; |
|
|
|
while (ret = poll(p, 2, -1), ret >= 0) { |
|
|
|
while (ret = poll(p, 2, -1), ret >= 0) { |
|
|
|
if (p[1].revents & POLLIN) { |
|
|
|
if (p[1].revents & POLLIN) { |
|
|
|
read(p[1].fd, &expires, sizeof expires); |
|
|
|
read(p[1].fd, &expires, sizeof expires); |
|
|
|
wl_surface_map(surface,
|
|
|
|
wl_surface_map(surface,
|
|
|
|
x + cos(i / 30.0) * 200, |
|
|
|
x + cos(i / 31.0) * 400 - width / 2, |
|
|
|
y + sin(i / 31.0) * 200, |
|
|
|
y + sin(i / 27.0) * 300 - height / 2, |
|
|
|
width, height); |
|
|
|
width, height); |
|
|
|
i++; |
|
|
|
i++; |
|
|
|
continue; |
|
|
|
continue; |
|
|
|