diff options
Diffstat (limited to 'source/blender/draw/engines/gpencil/shaders/gpencil_point_frag.glsl')
-rw-r--r-- | source/blender/draw/engines/gpencil/shaders/gpencil_point_frag.glsl | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/source/blender/draw/engines/gpencil/shaders/gpencil_point_frag.glsl b/source/blender/draw/engines/gpencil/shaders/gpencil_point_frag.glsl deleted file mode 100644 index d79b8fb4d8a..00000000000 --- a/source/blender/draw/engines/gpencil/shaders/gpencil_point_frag.glsl +++ /dev/null @@ -1,126 +0,0 @@ -uniform int color_type; -uniform int mode; -uniform sampler2D myTexture; -uniform bool myTexturePremultiplied; - -uniform float gradient_f; -uniform vec2 gradient_s; - -uniform vec4 colormix; -uniform float mix_stroke_factor; -uniform int shading_type[2]; - -in vec4 mColor; -in vec2 mTexCoord; -out vec4 fragColor; - -uniform int fade_layer; -uniform float fade_layer_factor; -uniform bool fade_ob; -uniform vec3 fade_color; -uniform float fade_ob_factor; - -#define texture2D texture - -#define GPENCIL_MODE_LINE 0 -#define GPENCIL_MODE_DOTS 1 -#define GPENCIL_MODE_BOX 2 - -/* 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 OB_SOLID 3 -#define V3D_SHADING_TEXTURE_COLOR 3 - -bool no_texture = (shading_type[0] == OB_SOLID) && (shading_type[1] != V3D_SHADING_TEXTURE_COLOR); - -/* Function to check the point inside ellipse */ -float check_ellipse_point(vec2 pt, vec2 radius) -{ - float p = (pow(pt.x, 2) / pow(radius.x, 2)) + (pow(pt.y, 2) / pow(radius.y, 2)); - - return p; -} - -/* Function to check the point inside box */ -vec2 check_box_point(vec2 pt, vec2 radius) -{ - vec2 rtn; - rtn.x = abs(pt.x) / radius.x; - rtn.y = abs(pt.y) / radius.y; - - return rtn; -} - -void main() -{ - vec2 centered = mTexCoord - vec2(0.5); - float ellip = check_ellipse_point(centered, vec2(gradient_s / 2.0)); - vec2 box; - - if (mode != GPENCIL_MODE_BOX) { - if (ellip > 1.0) { - discard; - } - } - else { - box = check_box_point(centered, vec2(gradient_s / 2.0)); - if ((box.x > 1.0) || (box.y > 1.0)) { - discard; - } - } - - /* Solid */ - if ((color_type == GPENCIL_COLOR_SOLID) || (no_texture)) { - fragColor = mColor; - } - /* texture */ - if ((color_type == GPENCIL_COLOR_TEXTURE) && (!no_texture)) { - vec4 text_color = texture_read_as_srgb(myTexture, myTexturePremultiplied, mTexCoord); - if (mix_stroke_factor > 0.0) { - fragColor.rgb = mix(text_color.rgb, colormix.rgb, mix_stroke_factor); - fragColor.a = text_color.a; - } - else { - fragColor = text_color; - } - - /* mult both alpha factor to use strength factor with texture */ - fragColor.a = min(fragColor.a * mColor.a, fragColor.a); - } - /* pattern */ - if ((color_type == GPENCIL_COLOR_PATTERN) && (!no_texture)) { - vec4 text_color = texture_read_as_srgb(myTexture, myTexturePremultiplied, mTexCoord); - fragColor = mColor; - /* mult both alpha factor to use strength factor with color alpha limit */ - fragColor.a = min(text_color.a * mColor.a, mColor.a); - } - - if (gradient_f < 1.0) { - float dist = length(centered) * 2.0; - float decay = dist * (1.0 - gradient_f) * fragColor.a; - fragColor.a = clamp(fragColor.a - decay, 0.0, 1.0); - if (mode == GPENCIL_MODE_DOTS) { - fragColor.a = fragColor.a * (1.0 - ellip); - } - } - - if (fragColor.a < 0.0035) { - discard; - } - - /* Apply paper opacity */ - if (fade_layer == 1) { - /* Layer is below, mix with background. */ - fragColor.rgb = mix(fade_color.rgb, fragColor.rgb, fade_layer_factor); - } - else if (fade_layer == 2) { - /* Layer is above, change opacity. */ - fragColor.a *= fade_layer_factor; - } - else if (fade_ob == true) { - fragColor.rgb = mix(fade_color.rgb, fragColor.rgb, fade_ob_factor); - } -} |