1 files changed, 0 insertions, 264 deletions
diff --git a/source/blender/draw/engines/gpencil/shaders/gpencil_stroke_geom.glsl b/source/blender/draw/engines/gpencil/shaders/gpencil_stroke_geom.glsl
deleted file mode 100644
index 3300514dd13..00000000000
--- a/source/blender/draw/engines/gpencil/shaders/gpencil_stroke_geom.glsl
+++ /dev/null
@@ -1,264 +0,0 @@
-uniform vec2 Viewport;
-uniform int xraymode;
-uniform int color_type;
-uniform int caps_mode[2];
-
-layout(lines_adjacency) in;
-layout(triangle_strip, max_vertices = 13) out;
-
-in vec4 finalColor[4];
-in float finalThickness[4];
-in vec2 finaluvdata[4];
-
-out vec4 mColor;
-out vec2 mTexCoord;
-out vec2 uvfac;
-
-#define GP_XRAY_FRONT 0
-#define GP_XRAY_3DSPACE 1
-
-/* keep this list synchronized with list in gpencil_engine.h */
-#define GPENCIL_COLOR_SOLID 0
-#define GPENCIL_COLOR_TEXTURE 1
-#define GPENCIL_COLOR_PATTERN 2
-
-#define GPENCIL_FLATCAP 1
-
-/* project 3d point to 2d on screen space */
-vec2 toScreenSpace(vec4 vertex)
-{
-  return vec2(vertex.xy / vertex.w) * Viewport;
-}
-
-/* get zdepth value */
-float getZdepth(vec4 point)
-{
-  if (xraymode == GP_XRAY_FRONT) {
-    return min(-0.05, (point.z / point.w));
-  }
-  if (xraymode == GP_XRAY_3DSPACE) {
-    return (point.z / point.w);
-  }
-
-  /* in front by default */
-  return 0.000001;
-}
-
-/* check equality but with a small tolerance */
-bool is_equal(vec4 p1, vec4 p2)
-{
-  float limit = 0.0001;
-  float x = abs(p1.x - p2.x);
-  float y = abs(p1.y - p2.y);
-  float z = abs(p1.z - p2.z);
-
-  if ((x < limit) && (y < limit) && (z < limit)) {
-    return true;
-  }
-
-  return false;
-}
-
-void main(void)
-{
-  float MiterLimit = 0.75;
-  uvfac = vec2(0.0, 0.0);
-
-  /* receive 4 points */
-  vec4 P0 = gl_in[0].gl_Position;
-  vec4 P1 = gl_in[1].gl_Position;
-  vec4 P2 = gl_in[2].gl_Position;
-  vec4 P3 = gl_in[3].gl_Position;
-
-  /* get the four vertices passed to the shader */
-  vec2 sp0 = toScreenSpace(P0);  // start of previous segment
-  vec2 sp1 = toScreenSpace(P1);  // end of previous segment, start of current segment
-  vec2 sp2 = toScreenSpace(P2);  // end of current segment, start of next segment
-  vec2 sp3 = toScreenSpace(P3);  // end of next segment
-
-  /* culling outside viewport */
-  vec2 area = Viewport * 4.0;
-  if (sp1.x < -area.x || sp1.x > area.x) {
-    return;
-  }
-  if (sp1.y < -area.y || sp1.y > area.y) {
-    return;
-  }
-  if (sp2.x < -area.x || sp2.x > area.x) {
-    return;
-  }
-  if (sp2.y < -area.y || sp2.y > area.y) {
-    return;
-  }
-
-  /* culling behind camera */
-  if (P1.w < 0 || P2.w < 0) {
-    return;
-  }
-
-  /* determine the direction of each of the 3 segments (previous, current, next) */
-  vec2 v0 = normalize(sp1 - sp0);
-  vec2 v1 = normalize(sp2 - sp1);
-  vec2 v2 = normalize(sp3 - sp2);
-
-  /* determine the normal of each of the 3 segments (previous, current, next) */
-  vec2 n0 = vec2(-v0.y, v0.x);
-  vec2 n1 = vec2(-v1.y, v1.x);
-  vec2 n2 = vec2(-v2.y, v2.x);
-
-  /* determine miter lines by averaging the normals of the 2 segments */
-  vec2 miter_a = normalize(n0 + n1);  // miter at start of current segment
-  vec2 miter_b = normalize(n1 + n2);  // miter at end of current segment
-
-  /* determine the length of the miter by projecting it onto normal and then inverse it */
-  float an1 = dot(miter_a, n1);
-  float bn1 = dot(miter_b, n2);
-  if (an1 == 0) {
-    an1 = 1;
-  }
-  if (bn1 == 0) {
-    bn1 = 1;
-  }
-  float length_a = finalThickness[1] / an1;
-  float length_b = finalThickness[2] / bn1;
-  if (length_a <= 0.0) {
-    length_a = 0.01;
-  }
-  if (length_b <= 0.0) {
-    length_b = 0.01;
-  }
-
-  /* prevent excessively long miters at sharp corners */
-  if (dot(v0, v1) < -MiterLimit) {
-    miter_a = n1;
-    length_a = finalThickness[1];
-
-    /* close the gap */
-    if (dot(v0, n1) > 0) {
-      mTexCoord = vec2(0, 0);
-      mColor = finalColor[1];
-      gl_Position = vec4((sp1 + finalThickness[1] * n0) / Viewport, getZdepth(P1), 1.0);
-      EmitVertex();
-
-      mTexCoord = vec2(0, 0);
-      mColor = finalColor[1];
-      gl_Position = vec4((sp1 + finalThickness[1] * n1) / Viewport, getZdepth(P1), 1.0);
-      EmitVertex();
-
-      mTexCoord = vec2(0, 0.5);
-      mColor = finalColor[1];
-      gl_Position = vec4(sp1 / Viewport, getZdepth(P1), 1.0);
-      EmitVertex();
-
-      EndPrimitive();
-    }
-    else {
-      mTexCoord = vec2(0, 1);
-      mColor = finalColor[1];
-      gl_Position = vec4((sp1 - finalThickness[1] * n1) / Viewport, getZdepth(P1), 1.0);
-      EmitVertex();
-
-      mTexCoord = vec2(0, 1);
-      mColor = finalColor[1];
-      gl_Position = vec4((sp1 - finalThickness[1] * n0) / Viewport, getZdepth(P1), 1.0);
-      EmitVertex();
-
-      mTexCoord = vec2(0, 0.5);
-      mColor = finalColor[1];
-      gl_Position = vec4(sp1 / Viewport, getZdepth(P1), 1.0);
-      EmitVertex();
-
-      EndPrimitive();
-    }
-  }
-
-  if (dot(v1, v2) < -MiterLimit) {
-    miter_b = n1;
-    length_b = finalThickness[2];
-  }
-
-  /* generate the start endcap */
-  if ((caps_mode[0] != GPENCIL_FLATCAP) && is_equal(P0, P2)) {
-    vec4 cap_color = finalColor[1];
-
-    mTexCoord = vec2(2.0, 0.5);
-    mColor = cap_color;
-    vec2 svn1 = normalize(sp1 - sp2) * length_a * 4.0;
-    uvfac = vec2(0.0, 1.0);
-    gl_Position = vec4((sp1 + svn1) / Viewport, getZdepth(P1), 1.0);
-    EmitVertex();
-
-    mTexCoord = vec2(0.0, -0.5);
-    mColor = cap_color;
-    uvfac = vec2(0.0, 1.0);
-    gl_Position = vec4((sp1 - (length_a * 2.0) * miter_a) / Viewport, getZdepth(P1), 1.0);
-    EmitVertex();
-
-    mTexCoord = vec2(0.0, 1.5);
-    mColor = cap_color;
-    uvfac = vec2(0.0, 1.0);
-    gl_Position = vec4((sp1 + (length_a * 2.0) * miter_a) / Viewport, getZdepth(P1), 1.0);
-    EmitVertex();
-  }
-
-  float y_a = 0.0;
-  float y_b = 1.0;
-
-  /* invert uv (vertical) */
-  if (finaluvdata[2].x > 1.0) {
-    if ((finaluvdata[1].y != 0.0) && (finaluvdata[2].y != 0.0)) {
-      float d = ceil(finaluvdata[2].x) - 1.0;
-      if (floor(d / 2.0) == (d / 2.0)) {
-        y_a = 1.0;
-        y_b = 0.0;
-      }
-    }
-  }
-  /* generate the triangle strip */
-  uvfac = vec2(0.0, 0.0);
-  mTexCoord = (color_type == GPENCIL_COLOR_SOLID) ? vec2(0, 0) : vec2(finaluvdata[1].x, y_a);
-  mColor = finalColor[1];
-  gl_Position = vec4((sp1 + length_a * miter_a) / Viewport, getZdepth(P1), 1.0);
-  EmitVertex();
-
-  mTexCoord = (color_type == GPENCIL_COLOR_SOLID) ? vec2(0, 1) : vec2(finaluvdata[1].x, y_b);
-  mColor = finalColor[1];
-  gl_Position = vec4((sp1 - length_a * miter_a) / Viewport, getZdepth(P1), 1.0);
-  EmitVertex();
-
-  mTexCoord = (color_type == GPENCIL_COLOR_SOLID) ? vec2(1, 0) : vec2(finaluvdata[2].x, y_a);
-  mColor = finalColor[2];
-  gl_Position = vec4((sp2 + length_b * miter_b) / Viewport, getZdepth(P2), 1.0);
-  EmitVertex();
-
-  mTexCoord = (color_type == GPENCIL_COLOR_SOLID) ? vec2(1, 1) : vec2(finaluvdata[2].x, y_b);
-  mColor = finalColor[2];
-  gl_Position = vec4((sp2 - length_b * miter_b) / Viewport, getZdepth(P2), 1.0);
-  EmitVertex();
-
-  /* generate the end endcap */
-  if ((caps_mode[1] != GPENCIL_FLATCAP) && is_equal(P1, P3) && (finaluvdata[2].x > 0)) {
-    vec4 cap_color = finalColor[2];
-
-    mTexCoord = vec2(finaluvdata[2].x, 1.5);
-    mColor = cap_color;
-    uvfac = vec2(finaluvdata[2].x, 1.0);
-    gl_Position = vec4((sp2 + (length_b * 2.0) * miter_b) / Viewport, getZdepth(P2), 1.0);
-    EmitVertex();
-
-    mTexCoord = vec2(finaluvdata[2].x, -0.5);
-    mColor = cap_color;
-    uvfac = vec2(finaluvdata[2].x, 1.0);
-    gl_Position = vec4((sp2 - (length_b * 2.0) * miter_b) / Viewport, getZdepth(P2), 1.0);
-    EmitVertex();
-
-    mTexCoord = vec2(finaluvdata[2].x + 2, 0.5);
-    mColor = cap_color;
-    uvfac = vec2(finaluvdata[2].x, 1.0);
-    vec2 svn2 = normalize(sp2 - sp1) * length_b * 4.0;
-    gl_Position = vec4((sp2 + svn2) / Viewport, getZdepth(P2), 1.0);
-    EmitVertex();
-  }
-
-  EndPrimitive();
-}