diff options
Diffstat (limited to 'src/cl')
| -rw-r--r-- | src/cl/spirt.cl | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/cl/spirt.cl b/src/cl/spirt.cl index 943f317..f55aa74 100644 --- a/src/cl/spirt.cl +++ b/src/cl/spirt.cl @@ -68,19 +68,18 @@ hit_sphere(const float3 center, const float radius, const struct ray ray) } void -write_pixel(__global uchar *const pixel, float3 colour) +write_pixel(__global float *const pixel, float3 colour) { /* gamma correction */ - colour = 256.0f * clamp(pow(colour, 1.0f/2.2f), 0.0f, 0.999f); + colour = clamp(pow(colour, 1.0f / 2.2f), 0.0f, 1.0f); pixel[0] = colour.x; pixel[1] = colour.y; pixel[2] = colour.z; - pixel[3] = 255; } __kernel void -ray_colour(__global uchar *const canvas, __global const float3 *const rays) +ray_colour(__global float *const canvas, __global const float3 *const rays) { struct ray ray; @@ -114,5 +113,5 @@ ray_colour(__global uchar *const canvas, __global const float3 *const rays) colour = (1.0f - a) * 1.0f + a * (float3)(0.5f, 0.7f, 1.0f); } - write_pixel(canvas + 4 * (w * j + i), colour); + write_pixel(canvas + 3 * (w * j + i), colour); } |