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Added background colour to consts.h

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Martin Opat
2025-01-11 13:05:18 +01:00
parent a5c66fc6ca
commit 9afd242121
3 changed files with 13 additions and 7 deletions
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14
src/illumination/Raycaster.cu
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@@ -72,9 +72,9 @@ __global__ void raycastKernel(float* volumeData, FrameBuffer framebuffer) {
if (tNear > tFar) {
// No intersection -> Set to brackground color (multiply by SAMPLES_PER_PIXEL because we divide by it later)
accumR = 0.1f * (float)SAMPLES_PER_PIXEL;
accumG = 0.1f * (float)SAMPLES_PER_PIXEL;
accumB = 0.1f * (float)SAMPLES_PER_PIXEL;
accumR = d_backgroundColor.x * (float)SAMPLES_PER_PIXEL;
accumG = d_backgroundColor.y * (float)SAMPLES_PER_PIXEL;
accumB = d_backgroundColor.z * (float)SAMPLES_PER_PIXEL;
accumA = 1.0f * (float)SAMPLES_PER_PIXEL;
} else {
if (tNear < 0.0f) tNear = 0.0f;
@@ -119,11 +119,11 @@ __global__ void raycastKernel(float* volumeData, FrameBuffer framebuffer) {
accumB += colorB;
accumA += alphaAccum;
// Blend with background (for transparency) // TODO: Put background colour in a constant
// Blend with background (for transparency)
float leftover = 1.0 - alphaAccum;
accumR = accumR + leftover * 0.1f;
accumG = accumG + leftover * 0.1f;
accumB = accumB + leftover * 0.1f;
accumR = accumR + leftover * d_backgroundColor.x;
accumG = accumG + leftover * d_backgroundColor.y;
accumB = accumB + leftover * d_backgroundColor.z;
}
}