diff options
Diffstat (limited to 'intern/cycles/kernel/svm/svm_ramp.h')
-rw-r--r-- | intern/cycles/kernel/svm/svm_ramp.h | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/intern/cycles/kernel/svm/svm_ramp.h b/intern/cycles/kernel/svm/svm_ramp.h index 054137fe7a3..d33a2dfdc74 100644 --- a/intern/cycles/kernel/svm/svm_ramp.h +++ b/intern/cycles/kernel/svm/svm_ramp.h @@ -21,7 +21,7 @@ CCL_NAMESPACE_BEGIN -__device float4 rgb_ramp_lookup(KernelGlobals *kg, int offset, float f) +__device float4 rgb_ramp_lookup(KernelGlobals *kg, int offset, float f, bool interpolate) { f = clamp(f, 0.0f, 1.0f)*(RAMP_TABLE_SIZE-1); @@ -31,7 +31,7 @@ __device float4 rgb_ramp_lookup(KernelGlobals *kg, int offset, float f) float4 a = fetch_node_float(kg, offset+i); - if(t > 0.0f) + if(interpolate && t > 0.0f) a = (1.0f - t)*a + t*fetch_node_float(kg, offset+i+1); return a; @@ -39,12 +39,13 @@ __device float4 rgb_ramp_lookup(KernelGlobals *kg, int offset, float f) __device void svm_node_rgb_ramp(KernelGlobals *kg, ShaderData *sd, float *stack, uint4 node, int *offset) { - uint fac_offset = node.y; - uint color_offset = node.z; - uint alpha_offset = node.w; + uint fac_offset, color_offset, alpha_offset; + uint interpolate = node.z; + + decode_node_uchar4(node.y, &fac_offset, &color_offset, &alpha_offset, NULL); float fac = stack_load_float(stack, fac_offset); - float4 color = rgb_ramp_lookup(kg, *offset, fac); + float4 color = rgb_ramp_lookup(kg, *offset, fac, interpolate); if(stack_valid(color_offset)) stack_store_float3(stack, color_offset, float4_to_float3(color)); @@ -63,9 +64,9 @@ __device void svm_node_rgb_curves(KernelGlobals *kg, ShaderData *sd, float *stac float fac = stack_load_float(stack, fac_offset); float3 color = stack_load_float3(stack, color_offset); - float r = rgb_ramp_lookup(kg, *offset, color.x).x; - float g = rgb_ramp_lookup(kg, *offset, color.y).y; - float b = rgb_ramp_lookup(kg, *offset, color.z).z; + float r = rgb_ramp_lookup(kg, *offset, color.x, true).x; + float g = rgb_ramp_lookup(kg, *offset, color.y, true).y; + float b = rgb_ramp_lookup(kg, *offset, color.z, true).z; color = (1.0f - fac)*color + fac*make_float3(r, g, b); stack_store_float3(stack, out_offset, color); @@ -82,9 +83,9 @@ __device void svm_node_vector_curves(KernelGlobals *kg, ShaderData *sd, float *s float fac = stack_load_float(stack, fac_offset); float3 color = stack_load_float3(stack, color_offset); - float r = rgb_ramp_lookup(kg, *offset, (color.x + 1.0f)*0.5f).x; - float g = rgb_ramp_lookup(kg, *offset, (color.y + 1.0f)*0.5f).y; - float b = rgb_ramp_lookup(kg, *offset, (color.z + 1.0f)*0.5f).z; + float r = rgb_ramp_lookup(kg, *offset, (color.x + 1.0f)*0.5f, true).x; + float g = rgb_ramp_lookup(kg, *offset, (color.y + 1.0f)*0.5f, true).y; + float b = rgb_ramp_lookup(kg, *offset, (color.z + 1.0f)*0.5f, true).z; color = (1.0f - fac)*color + fac*make_float3(r*2.0f - 1.0f, g*2.0f - 1.0f, b*2.0f - 1.0f); stack_store_float3(stack, out_offset, color); |