diff options
author | Alexander Gavrilov <angavrilov@gmail.com> | 2016-06-19 13:28:50 +0300 |
---|---|---|
committer | Brecht Van Lommel <brechtvanlommel@gmail.com> | 2016-06-19 21:17:28 +0300 |
commit | f7bada00a73e3117b46742ece279fc95bac7e81f (patch) | |
tree | d61cd3afde9678e9909c3da82ae3019247fefef4 /intern/cycles/kernel/svm/svm_mix.h | |
parent | 81e391a72747fe4d8ab1978a0929719844df35a1 (diff) |
Cycles: add constant folding for more color operation nodes.
Invert, brightness & constrast, separate/combine and Mix RGB blend modes
and clamping.
Diffstat (limited to 'intern/cycles/kernel/svm/svm_mix.h')
-rw-r--r-- | intern/cycles/kernel/svm/svm_mix.h | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/intern/cycles/kernel/svm/svm_mix.h b/intern/cycles/kernel/svm/svm_mix.h index 7cbda111d81..022a68d1928 100644 --- a/intern/cycles/kernel/svm/svm_mix.h +++ b/intern/cycles/kernel/svm/svm_mix.h @@ -16,280 +16,6 @@ CCL_NAMESPACE_BEGIN -ccl_device float3 svm_mix_blend(float t, float3 col1, float3 col2) -{ - return interp(col1, col2, t); -} - -ccl_device float3 svm_mix_add(float t, float3 col1, float3 col2) -{ - return interp(col1, col1 + col2, t); -} - -ccl_device float3 svm_mix_mul(float t, float3 col1, float3 col2) -{ - return interp(col1, col1 * col2, t); -} - -ccl_device float3 svm_mix_screen(float t, float3 col1, float3 col2) -{ - float tm = 1.0f - t; - float3 one = make_float3(1.0f, 1.0f, 1.0f); - float3 tm3 = make_float3(tm, tm, tm); - - return one - (tm3 + t*(one - col2))*(one - col1); -} - -ccl_device float3 svm_mix_overlay(float t, float3 col1, float3 col2) -{ - float tm = 1.0f - t; - - float3 outcol = col1; - - if(outcol.x < 0.5f) - outcol.x *= tm + 2.0f*t*col2.x; - else - outcol.x = 1.0f - (tm + 2.0f*t*(1.0f - col2.x))*(1.0f - outcol.x); - - if(outcol.y < 0.5f) - outcol.y *= tm + 2.0f*t*col2.y; - else - outcol.y = 1.0f - (tm + 2.0f*t*(1.0f - col2.y))*(1.0f - outcol.y); - - if(outcol.z < 0.5f) - outcol.z *= tm + 2.0f*t*col2.z; - else - outcol.z = 1.0f - (tm + 2.0f*t*(1.0f - col2.z))*(1.0f - outcol.z); - - return outcol; -} - -ccl_device float3 svm_mix_sub(float t, float3 col1, float3 col2) -{ - return interp(col1, col1 - col2, t); -} - -ccl_device float3 svm_mix_div(float t, float3 col1, float3 col2) -{ - float tm = 1.0f - t; - - float3 outcol = col1; - - if(col2.x != 0.0f) outcol.x = tm*outcol.x + t*outcol.x/col2.x; - if(col2.y != 0.0f) outcol.y = tm*outcol.y + t*outcol.y/col2.y; - if(col2.z != 0.0f) outcol.z = tm*outcol.z + t*outcol.z/col2.z; - - return outcol; -} - -ccl_device float3 svm_mix_diff(float t, float3 col1, float3 col2) -{ - return interp(col1, fabs(col1 - col2), t); -} - -ccl_device float3 svm_mix_dark(float t, float3 col1, float3 col2) -{ - return min(col1, col2)*t + col1*(1.0f - t); -} - -ccl_device float3 svm_mix_light(float t, float3 col1, float3 col2) -{ - return max(col1, col2*t); -} - -ccl_device float3 svm_mix_dodge(float t, float3 col1, float3 col2) -{ - float3 outcol = col1; - - if(outcol.x != 0.0f) { - float tmp = 1.0f - t*col2.x; - if(tmp <= 0.0f) - outcol.x = 1.0f; - else if((tmp = outcol.x/tmp) > 1.0f) - outcol.x = 1.0f; - else - outcol.x = tmp; - } - if(outcol.y != 0.0f) { - float tmp = 1.0f - t*col2.y; - if(tmp <= 0.0f) - outcol.y = 1.0f; - else if((tmp = outcol.y/tmp) > 1.0f) - outcol.y = 1.0f; - else - outcol.y = tmp; - } - if(outcol.z != 0.0f) { - float tmp = 1.0f - t*col2.z; - if(tmp <= 0.0f) - outcol.z = 1.0f; - else if((tmp = outcol.z/tmp) > 1.0f) - outcol.z = 1.0f; - else - outcol.z = tmp; - } - - return outcol; -} - -ccl_device float3 svm_mix_burn(float t, float3 col1, float3 col2) -{ - float tmp, tm = 1.0f - t; - - float3 outcol = col1; - - tmp = tm + t*col2.x; - if(tmp <= 0.0f) - outcol.x = 0.0f; - else if((tmp = (1.0f - (1.0f - outcol.x)/tmp)) < 0.0f) - outcol.x = 0.0f; - else if(tmp > 1.0f) - outcol.x = 1.0f; - else - outcol.x = tmp; - - tmp = tm + t*col2.y; - if(tmp <= 0.0f) - outcol.y = 0.0f; - else if((tmp = (1.0f - (1.0f - outcol.y)/tmp)) < 0.0f) - outcol.y = 0.0f; - else if(tmp > 1.0f) - outcol.y = 1.0f; - else - outcol.y = tmp; - - tmp = tm + t*col2.z; - if(tmp <= 0.0f) - outcol.z = 0.0f; - else if((tmp = (1.0f - (1.0f - outcol.z)/tmp)) < 0.0f) - outcol.z = 0.0f; - else if(tmp > 1.0f) - outcol.z = 1.0f; - else - outcol.z = tmp; - - return outcol; -} - -ccl_device float3 svm_mix_hue(float t, float3 col1, float3 col2) -{ - float3 outcol = col1; - - float3 hsv2 = rgb_to_hsv(col2); - - if(hsv2.y != 0.0f) { - float3 hsv = rgb_to_hsv(outcol); - hsv.x = hsv2.x; - float3 tmp = hsv_to_rgb(hsv); - - outcol = interp(outcol, tmp, t); - } - - return outcol; -} - -ccl_device float3 svm_mix_sat(float t, float3 col1, float3 col2) -{ - float tm = 1.0f - t; - - float3 outcol = col1; - - float3 hsv = rgb_to_hsv(outcol); - - if(hsv.y != 0.0f) { - float3 hsv2 = rgb_to_hsv(col2); - - hsv.y = tm*hsv.y + t*hsv2.y; - outcol = hsv_to_rgb(hsv); - } - - return outcol; -} - -ccl_device float3 svm_mix_val(float t, float3 col1, float3 col2) -{ - float tm = 1.0f - t; - - float3 hsv = rgb_to_hsv(col1); - float3 hsv2 = rgb_to_hsv(col2); - - hsv.z = tm*hsv.z + t*hsv2.z; - - return hsv_to_rgb(hsv); -} - -ccl_device float3 svm_mix_color(float t, float3 col1, float3 col2) -{ - float3 outcol = col1; - float3 hsv2 = rgb_to_hsv(col2); - - if(hsv2.y != 0.0f) { - float3 hsv = rgb_to_hsv(outcol); - hsv.x = hsv2.x; - hsv.y = hsv2.y; - float3 tmp = hsv_to_rgb(hsv); - - outcol = interp(outcol, tmp, t); - } - - return outcol; -} - -ccl_device float3 svm_mix_soft(float t, float3 col1, float3 col2) -{ - float tm = 1.0f - t; - - float3 one = make_float3(1.0f, 1.0f, 1.0f); - float3 scr = one - (one - col2)*(one - col1); - - return tm*col1 + t*((one - col1)*col2*col1 + col1*scr); -} - -ccl_device float3 svm_mix_linear(float t, float3 col1, float3 col2) -{ - return col1 + t*(2.0f*col2 + make_float3(-1.0f, -1.0f, -1.0f)); -} - -ccl_device float3 svm_mix_clamp(float3 col) -{ - float3 outcol = col; - - outcol.x = saturate(col.x); - outcol.y = saturate(col.y); - outcol.z = saturate(col.z); - - return outcol; -} - -ccl_device_noinline float3 svm_mix(NodeMix type, float fac, float3 c1, float3 c2) -{ - float t = saturate(fac); - - switch(type) { - case NODE_MIX_BLEND: return svm_mix_blend(t, c1, c2); - case NODE_MIX_ADD: return svm_mix_add(t, c1, c2); - case NODE_MIX_MUL: return svm_mix_mul(t, c1, c2); - case NODE_MIX_SCREEN: return svm_mix_screen(t, c1, c2); - case NODE_MIX_OVERLAY: return svm_mix_overlay(t, c1, c2); - case NODE_MIX_SUB: return svm_mix_sub(t, c1, c2); - case NODE_MIX_DIV: return svm_mix_div(t, c1, c2); - case NODE_MIX_DIFF: return svm_mix_diff(t, c1, c2); - case NODE_MIX_DARK: return svm_mix_dark(t, c1, c2); - case NODE_MIX_LIGHT: return svm_mix_light(t, c1, c2); - case NODE_MIX_DODGE: return svm_mix_dodge(t, c1, c2); - case NODE_MIX_BURN: return svm_mix_burn(t, c1, c2); - case NODE_MIX_HUE: return svm_mix_hue(t, c1, c2); - case NODE_MIX_SAT: return svm_mix_sat(t, c1, c2); - case NODE_MIX_VAL: return svm_mix_val (t, c1, c2); - case NODE_MIX_COLOR: return svm_mix_color(t, c1, c2); - case NODE_MIX_SOFT: return svm_mix_soft(t, c1, c2); - case NODE_MIX_LINEAR: return svm_mix_linear(t, c1, c2); - case NODE_MIX_CLAMP: return svm_mix_clamp(c1); - } - - return make_float3(0.0f, 0.0f, 0.0f); -} - /* Node */ ccl_device void svm_node_mix(KernelGlobals *kg, ShaderData *sd, float *stack, uint fac_offset, uint c1_offset, uint c2_offset, int *offset) |