Cleanup: Change extension .cpp to .cc

1 files changed, 159 insertions, 0 deletions

diff --git a/source/blender/compositor/operations/COM_GlareGhostOperation.cc b/source/blender/compositor/operations/COM_GlareGhostOperation.cc
new file mode 100644
index 00000000000..760b833d1e1
--- /dev/null
+++ b/source/blender/compositor/operations/COM_GlareGhostOperation.cc
@@ -0,0 +1,159 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Copyright 2011, Blender Foundation.
+ */
+
+#include "COM_GlareGhostOperation.h"
+#include "BLI_math.h"
+#include "COM_FastGaussianBlurOperation.h"
+
+static float smoothMask(float x, float y)
+{
+  float t;
+  x = 2.0f * x - 1.0f;
+  y = 2.0f * y - 1.0f;
+  if ((t = 1.0f - sqrtf(x * x + y * y)) > 0.0f) {
+    return t;
+  }
+
+  return 0.0f;
+}
+
+void GlareGhostOperation::generateGlare(float *data, MemoryBuffer *inputTile, NodeGlare *settings)
+{
+  const int qt = 1 << settings->quality;
+  const float s1 = 4.0f / (float)qt, s2 = 2.0f * s1;
+  int x, y, n, p, np;
+  fRGB c, tc, cm[64];
+  float sc, isc, u, v, sm, s, t, ofs, scalef[64];
+  const float cmo = 1.0f - settings->colmod;
+
+  MemoryBuffer *gbuf = inputTile->duplicate();
+  MemoryBuffer *tbuf1 = inputTile->duplicate();
+
+  bool breaked = false;
+
+  FastGaussianBlurOperation::IIR_gauss(tbuf1, s1, 0, 3);
+  if (!breaked) {
+    FastGaussianBlurOperation::IIR_gauss(tbuf1, s1, 1, 3);
+  }
+  if (isBraked()) {
+    breaked = true;
+  }
+  if (!breaked) {
+    FastGaussianBlurOperation::IIR_gauss(tbuf1, s1, 2, 3);
+  }
+
+  MemoryBuffer *tbuf2 = tbuf1->duplicate();
+
+  if (isBraked()) {
+    breaked = true;
+  }
+  if (!breaked) {
+    FastGaussianBlurOperation::IIR_gauss(tbuf2, s2, 0, 3);
+  }
+  if (isBraked()) {
+    breaked = true;
+  }
+  if (!breaked) {
+    FastGaussianBlurOperation::IIR_gauss(tbuf2, s2, 1, 3);
+  }
+  if (isBraked()) {
+    breaked = true;
+  }
+  if (!breaked) {
+    FastGaussianBlurOperation::IIR_gauss(tbuf2, s2, 2, 3);
+  }
+
+  ofs = (settings->iter & 1) ? 0.5f : 0.0f;
+  for (x = 0; x < (settings->iter * 4); x++) {
+    y = x & 3;
+    cm[x][0] = cm[x][1] = cm[x][2] = 1;
+    if (y == 1) {
+      fRGB_rgbmult(cm[x], 1.0f, cmo, cmo);
+    }
+    if (y == 2) {
+      fRGB_rgbmult(cm[x], cmo, cmo, 1.0f);
+    }
+    if (y == 3) {
+      fRGB_rgbmult(cm[x], cmo, 1.0f, cmo);
+    }
+    scalef[x] = 2.1f * (1.0f - (x + ofs) / (float)(settings->iter * 4));
+    if (x & 1) {
+      scalef[x] = -0.99f / scalef[x];
+    }
+  }
+
+  sc = 2.13;
+  isc = -0.97;
+  for (y = 0; y < gbuf->getHeight() && (!breaked); y++) {
+    v = ((float)y + 0.5f) / (float)gbuf->getHeight();
+    for (x = 0; x < gbuf->getWidth(); x++) {
+      u = ((float)x + 0.5f) / (float)gbuf->getWidth();
+      s = (u - 0.5f) * sc + 0.5f;
+      t = (v - 0.5f) * sc + 0.5f;
+      tbuf1->readBilinear(c, s * gbuf->getWidth(), t * gbuf->getHeight());
+      sm = smoothMask(s, t);
+      mul_v3_fl(c, sm);
+      s = (u - 0.5f) * isc + 0.5f;
+      t = (v - 0.5f) * isc + 0.5f;
+      tbuf2->readBilinear(tc, s * gbuf->getWidth() - 0.5f, t * gbuf->getHeight() - 0.5f);
+      sm = smoothMask(s, t);
+      madd_v3_v3fl(c, tc, sm);
+
+      gbuf->writePixel(x, y, c);
+    }
+    if (isBraked()) {
+      breaked = true;
+    }
+  }
+
+  memset(tbuf1->getBuffer(),
+         0,
+         tbuf1->getWidth() * tbuf1->getHeight() * COM_NUM_CHANNELS_COLOR * sizeof(float));
+  for (n = 1; n < settings->iter && (!breaked); n++) {
+    for (y = 0; y < gbuf->getHeight() && (!breaked); y++) {
+      v = ((float)y + 0.5f) / (float)gbuf->getHeight();
+      for (x = 0; x < gbuf->getWidth(); x++) {
+        u = ((float)x + 0.5f) / (float)gbuf->getWidth();
+        tc[0] = tc[1] = tc[2] = 0.0f;
+        for (p = 0; p < 4; p++) {
+          np = (n << 2) + p;
+          s = (u - 0.5f) * scalef[np] + 0.5f;
+          t = (v - 0.5f) * scalef[np] + 0.5f;
+          gbuf->readBilinear(c, s * gbuf->getWidth() - 0.5f, t * gbuf->getHeight() - 0.5f);
+          mul_v3_v3(c, cm[np]);
+          sm = smoothMask(s, t) * 0.25f;
+          madd_v3_v3fl(tc, c, sm);
+        }
+        tbuf1->addPixel(x, y, tc);
+      }
+      if (isBraked()) {
+        breaked = true;
+      }
+    }
+    memcpy(gbuf->getBuffer(),
+           tbuf1->getBuffer(),
+           tbuf1->getWidth() * tbuf1->getHeight() * COM_NUM_CHANNELS_COLOR * sizeof(float));
+  }
+  memcpy(data,
+         gbuf->getBuffer(),
+         gbuf->getWidth() * gbuf->getHeight() * COM_NUM_CHANNELS_COLOR * sizeof(float));
+
+  delete gbuf;
+  delete tbuf1;
+  delete tbuf2;
+}