diff options
Diffstat (limited to 'src/modules/swab/swab.c')
| -rw-r--r-- | src/modules/swab/swab.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/src/modules/swab/swab.c b/src/modules/swab/swab.c index e4c3670..2b80d95 100644 --- a/src/modules/swab/swab.c +++ b/src/modules/swab/swab.c @@ -14,6 +14,7 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <math.h> #include <stdlib.h> #include <string.h> #include <sys/types.h> @@ -37,6 +38,10 @@ typedef struct color_t { float r,g,b; } color_t; +typedef struct v3f_t { + float x, y, z; +} v3f_t; + /* convert a color into a packed, 32-bit rgb pixel value (taken from libs/ray/ray_color.h) */ static inline uint32_t color_to_uint32(color_t color) { @@ -122,11 +127,11 @@ static void swab_render_fragment(void *context, unsigned cpu, fb_fragment_t *fra uint32_t pixel; float t; - t = din(ctxt->din, (v3f_t){ .x = (float)x * xscale * .5f, .y = (float)y * yscale * .5f, .z = -z2 }) * 33.f; + t = din(ctxt->din, &(v3f_t){ .x = (float)x * xscale * .5f, .y = (float)y * yscale * .5f, .z = -z2 }) * 33.f; - color.r = din(ctxt->din, (v3f_t){ .x = (float)x * xscale * .7f, .y = (float)y * yscale * .7f, .z = z1 }) * t; - color.g = din(ctxt->din, (v3f_t){ .x = (float)x * xscale * .93f, .y = (float)y * yscale * .93f, .z = -z1 }) * t; - color.b = din(ctxt->din, (v3f_t){ .x = (float)x * xscale * .81f, .y = (float)y * yscale * .81f, .z = z2 }) * t; + color.r = din(ctxt->din, &(v3f_t){ .x = (float)x * xscale * .7f, .y = (float)y * yscale * .7f, .z = z1 }) * t; + color.g = din(ctxt->din, &(v3f_t){ .x = (float)x * xscale * .93f, .y = (float)y * yscale * .93f, .z = -z1 }) * t; + color.b = din(ctxt->din, &(v3f_t){ .x = (float)x * xscale * .81f, .y = (float)y * yscale * .81f, .z = z2 }) * t; pixel = color_to_uint32(color); fb_fragment_put_pixel_unchecked(fragment, x, y, pixel); |