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path: root/source/blender/gpu/shaders/gpu_shader_gpencil_stroke_geom.glsl
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Diffstat (limited to 'source/blender/gpu/shaders/gpu_shader_gpencil_stroke_geom.glsl')
-rw-r--r--source/blender/gpu/shaders/gpu_shader_gpencil_stroke_geom.glsl138
1 files changed, 78 insertions, 60 deletions
diff --git a/source/blender/gpu/shaders/gpu_shader_gpencil_stroke_geom.glsl b/source/blender/gpu/shaders/gpu_shader_gpencil_stroke_geom.glsl
index b937323f62a..f076655b459 100644
--- a/source/blender/gpu/shaders/gpu_shader_gpencil_stroke_geom.glsl
+++ b/source/blender/gpu/shaders/gpu_shader_gpencil_stroke_geom.glsl
@@ -1,3 +1,4 @@
+#ifndef USE_GPU_SHADER_CREATE_INFO
uniform mat4 ModelViewProjectionMatrix;
uniform vec2 Viewport;
uniform int xraymode;
@@ -13,6 +14,7 @@ in float finalThickness[4];
out vec4 mColor;
out vec2 mTexCoord;
+#endif
#define GP_XRAY_FRONT 0
#define GP_XRAY_3DSPACE 1
@@ -23,19 +25,19 @@ out vec2 mTexCoord;
/* project 3d point to 2d on screen space */
vec2 toScreenSpace(vec4 vertex)
{
- return vec2(vertex.xy / vertex.w) * Viewport;
+ return vec2(vertex.xy / vertex.w) * gpencil_stroke_data.viewport;
}
/* get zdepth value */
float getZdepth(vec4 point)
{
- if (xraymode == GP_XRAY_FRONT) {
+ if (gpencil_stroke_data.xraymode == GP_XRAY_FRONT) {
return 0.0;
}
- if (xraymode == GP_XRAY_3DSPACE) {
+ if (gpencil_stroke_data.xraymode == GP_XRAY_3DSPACE) {
return (point.z / point.w);
}
- if (xraymode == GP_XRAY_BACK) {
+ if (gpencil_stroke_data.xraymode == GP_XRAY_BACK) {
return 1.0;
}
@@ -75,7 +77,7 @@ void main(void)
vec2 sp3 = toScreenSpace(P3); /* end of next segment */
/* culling outside viewport */
- vec2 area = Viewport * 4.0;
+ vec2 area = gpencil_stroke_data.viewport * 4.0;
if (sp1.x < -area.x || sp1.x > area.x) {
return;
}
@@ -112,8 +114,8 @@ void main(void)
if (bn1 == 0) {
bn1 = 1;
}
- float length_a = finalThickness[1] / an1;
- float length_b = finalThickness[2] / bn1;
+ float length_a = geometry_in[1].finalThickness / an1;
+ float length_b = geometry_in[2].finalThickness / bn1;
if (length_a <= 0.0) {
length_a = 0.01;
}
@@ -124,41 +126,49 @@ void main(void)
/* prevent excessively long miters at sharp corners */
if (dot(v0, v1) < -MiterLimit) {
miter_a = n1;
- length_a = finalThickness[1];
+ length_a = geometry_in[1].finalThickness;
/* 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);
+ geometry_out.mTexCoord = vec2(0, 0);
+ geometry_out.mColor = geometry_in[1].finalColor;
+ gl_Position = vec4((sp1 + geometry_in[1].finalThickness * n0) / gpencil_stroke_data.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);
+ geometry_out.mTexCoord = vec2(0, 0);
+ geometry_out.mColor = geometry_in[1].finalColor;
+ gl_Position = vec4((sp1 + geometry_in[1].finalThickness * n1) / gpencil_stroke_data.viewport,
+ getZdepth(P1),
+ 1.0);
EmitVertex();
- mTexCoord = vec2(0, 0.5);
- mColor = finalColor[1];
- gl_Position = vec4(sp1 / Viewport, getZdepth(P1), 1.0);
+ geometry_out.mTexCoord = vec2(0, 0.5);
+ geometry_out.mColor = geometry_in[1].finalColor;
+ gl_Position = vec4(sp1 / gpencil_stroke_data.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);
+ geometry_out.mTexCoord = vec2(0, 1);
+ geometry_out.mColor = geometry_in[1].finalColor;
+ gl_Position = vec4((sp1 - geometry_in[1].finalThickness * n1) / gpencil_stroke_data.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);
+ geometry_out.mTexCoord = vec2(0, 1);
+ geometry_out.mColor = geometry_in[1].finalColor;
+ gl_Position = vec4((sp1 - geometry_in[1].finalThickness * n0) / gpencil_stroke_data.viewport,
+ getZdepth(P1),
+ 1.0);
EmitVertex();
- mTexCoord = vec2(0, 0.5);
- mColor = finalColor[1];
- gl_Position = vec4(sp1 / Viewport, getZdepth(P1), 1.0);
+ geometry_out.mTexCoord = vec2(0, 0.5);
+ geometry_out.mColor = geometry_in[1].finalColor;
+ gl_Position = vec4(sp1 / gpencil_stroke_data.viewport, getZdepth(P1), 1.0);
EmitVertex();
EndPrimitive();
@@ -167,66 +177,74 @@ void main(void)
if (dot(v1, v2) < -MiterLimit) {
miter_b = n1;
- length_b = finalThickness[2];
+ length_b = geometry_in[2].finalThickness;
}
/* Generate the start end-cap (alpha < 0 used as end-cap flag). */
- float extend = (fill_stroke > 0) ? 2 : 1;
- if ((caps_start != GPENCIL_FLATCAP) && is_equal(P0, P2)) {
- mTexCoord = vec2(1, 0.5);
- mColor = vec4(finalColor[1].rgb, finalColor[1].a * -1.0);
+ float extend = gpencil_stroke_data.fill_stroke ? 2 : 1;
+ if ((gpencil_stroke_data.caps_start != GPENCIL_FLATCAP) && is_equal(P0, P2)) {
+ geometry_out.mTexCoord = vec2(1, 0.5);
+ geometry_out.mColor = vec4(geometry_in[1].finalColor.rgb, geometry_in[1].finalColor.a * -1.0);
vec2 svn1 = normalize(sp1 - sp2) * length_a * 4.0 * extend;
- gl_Position = vec4((sp1 + svn1) / Viewport, getZdepth(P1), 1.0);
+ gl_Position = vec4((sp1 + svn1) / gpencil_stroke_data.viewport, getZdepth(P1), 1.0);
EmitVertex();
- mTexCoord = vec2(0, 0);
- mColor = vec4(finalColor[1].rgb, finalColor[1].a * -1.0);
- gl_Position = vec4((sp1 - (length_a * 2.0) * miter_a) / Viewport, getZdepth(P1), 1.0);
+ geometry_out.mTexCoord = vec2(0, 0);
+ geometry_out.mColor = vec4(geometry_in[1].finalColor.rgb, geometry_in[1].finalColor.a * -1.0);
+ gl_Position = vec4(
+ (sp1 - (length_a * 2.0) * miter_a) / gpencil_stroke_data.viewport, getZdepth(P1), 1.0);
EmitVertex();
- mTexCoord = vec2(0, 1);
- mColor = vec4(finalColor[1].rgb, finalColor[1].a * -1.0);
- gl_Position = vec4((sp1 + (length_a * 2.0) * miter_a) / Viewport, getZdepth(P1), 1.0);
+ geometry_out.mTexCoord = vec2(0, 1);
+ geometry_out.mColor = vec4(geometry_in[1].finalColor.rgb, geometry_in[1].finalColor.a * -1.0);
+ gl_Position = vec4(
+ (sp1 + (length_a * 2.0) * miter_a) / gpencil_stroke_data.viewport, getZdepth(P1), 1.0);
EmitVertex();
}
/* generate the triangle strip */
- mTexCoord = vec2(0, 0);
- mColor = finalColor[1];
- gl_Position = vec4((sp1 + length_a * miter_a) / Viewport, getZdepth(P1), 1.0);
+ geometry_out.mTexCoord = vec2(0, 0);
+ geometry_out.mColor = geometry_in[1].finalColor;
+ gl_Position = vec4(
+ (sp1 + length_a * miter_a) / gpencil_stroke_data.viewport, getZdepth(P1), 1.0);
EmitVertex();
- mTexCoord = vec2(0, 1);
- mColor = finalColor[1];
- gl_Position = vec4((sp1 - length_a * miter_a) / Viewport, getZdepth(P1), 1.0);
+ geometry_out.mTexCoord = vec2(0, 1);
+ geometry_out.mColor = geometry_in[1].finalColor;
+ gl_Position = vec4(
+ (sp1 - length_a * miter_a) / gpencil_stroke_data.viewport, getZdepth(P1), 1.0);
EmitVertex();
- mTexCoord = vec2(0, 0);
- mColor = finalColor[2];
- gl_Position = vec4((sp2 + length_b * miter_b) / Viewport, getZdepth(P2), 1.0);
+ geometry_out.mTexCoord = vec2(0, 0);
+ geometry_out.mColor = geometry_in[2].finalColor;
+ gl_Position = vec4(
+ (sp2 + length_b * miter_b) / gpencil_stroke_data.viewport, getZdepth(P2), 1.0);
EmitVertex();
- mTexCoord = vec2(0, 1);
- mColor = finalColor[2];
- gl_Position = vec4((sp2 - length_b * miter_b) / Viewport, getZdepth(P2), 1.0);
+ geometry_out.mTexCoord = vec2(0, 1);
+ geometry_out.mColor = geometry_in[2].finalColor;
+ gl_Position = vec4(
+ (sp2 - length_b * miter_b) / gpencil_stroke_data.viewport, getZdepth(P2), 1.0);
EmitVertex();
/* Generate the end end-cap (alpha < 0 used as end-cap flag). */
- if ((caps_end != GPENCIL_FLATCAP) && is_equal(P1, P3)) {
- mTexCoord = vec2(0, 1);
- mColor = vec4(finalColor[2].rgb, finalColor[2].a * -1.0);
- gl_Position = vec4((sp2 + (length_b * 2.0) * miter_b) / Viewport, getZdepth(P2), 1.0);
+ if ((gpencil_stroke_data.caps_end != GPENCIL_FLATCAP) && is_equal(P1, P3)) {
+ geometry_out.mTexCoord = vec2(0, 1);
+ geometry_out.mColor = vec4(geometry_in[2].finalColor.rgb, geometry_in[2].finalColor.a * -1.0);
+ gl_Position = vec4(
+ (sp2 + (length_b * 2.0) * miter_b) / gpencil_stroke_data.viewport, getZdepth(P2), 1.0);
EmitVertex();
- mTexCoord = vec2(0, 0);
- mColor = vec4(finalColor[2].rgb, finalColor[2].a * -1.0);
- gl_Position = vec4((sp2 - (length_b * 2.0) * miter_b) / Viewport, getZdepth(P2), 1.0);
+ geometry_out.mTexCoord = vec2(0, 0);
+ geometry_out.mColor = vec4(geometry_in[2].finalColor.rgb, geometry_in[2].finalColor.a * -1.0);
+ gl_Position = vec4(
+ (sp2 - (length_b * 2.0) * miter_b) / gpencil_stroke_data.viewport, getZdepth(P2), 1.0);
EmitVertex();
- mTexCoord = vec2(1, 0.5);
- mColor = vec4(finalColor[2].rgb, finalColor[2].a * -1.0);
+ geometry_out.mTexCoord = vec2(1, 0.5);
+ geometry_out.mColor = vec4(geometry_in[2].finalColor.rgb, geometry_in[2].finalColor.a * -1.0);
vec2 svn2 = normalize(sp2 - sp1) * length_b * 4.0 * extend;
- gl_Position = vec4((sp2 + svn2) / Viewport, getZdepth(P2), 1.0);
+ gl_Position = vec4((sp2 + svn2) / gpencil_stroke_data.viewport, getZdepth(P2), 1.0);
EmitVertex();
}
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