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author | Lukas Tönne <lukas.toenne@gmail.com> | 2018-08-12 14:52:49 +0300 |
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committer | Lukas Tönne <lukas.toenne@gmail.com> | 2018-08-12 14:52:49 +0300 |
commit | dc2d841b7c50565302af2986d62ddbd29c332acd (patch) | |
tree | 324f234e56fde77fb80dfdef0c7c21f01968f71b /source/blender/draw/engines/gpencil/shaders/gpencil_stroke_frag.glsl | |
parent | 27b28e437d974ebbafa234205941c07aa0ab546c (diff) | |
parent | 4b6fa4d897a0bb3252b16383492b526d2cef3920 (diff) |
Merge branch 'blender2.8' into hair_guideshair_guides
Diffstat (limited to 'source/blender/draw/engines/gpencil/shaders/gpencil_stroke_frag.glsl')
-rw-r--r-- | source/blender/draw/engines/gpencil/shaders/gpencil_stroke_frag.glsl | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/source/blender/draw/engines/gpencil/shaders/gpencil_stroke_frag.glsl b/source/blender/draw/engines/gpencil/shaders/gpencil_stroke_frag.glsl new file mode 100644 index 00000000000..d57921c1629 --- /dev/null +++ b/source/blender/draw/engines/gpencil/shaders/gpencil_stroke_frag.glsl @@ -0,0 +1,46 @@ +uniform int color_type; +uniform sampler2D myTexture; + +in vec4 mColor; +in vec2 mTexCoord; +in float uvfac; + +out vec4 fragColor; + +#define texture2D texture + +/* 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 + +void main() +{ + vec4 tColor = vec4(mColor); + /* if alpha < 0, then encap (only solid mode ) */ + if ((mColor.a < 0) && (color_type == GPENCIL_COLOR_SOLID)) { + vec2 center = vec2(uvfac, 1.0); + tColor.a = tColor.a * -1.0; + float dist = length(mTexCoord - center); + if (dist > 0.50) { + discard; + } + } + /* Solid */ + if (color_type == GPENCIL_COLOR_SOLID) { + fragColor = tColor; + } + /* texture */ + if (color_type == GPENCIL_COLOR_TEXTURE) { + fragColor = texture2D(myTexture, mTexCoord); + /* mult both alpha factor to use strength factor */ + fragColor.a = min(fragColor.a * tColor.a, fragColor.a); + } + /* pattern */ + if (color_type == GPENCIL_COLOR_PATTERN) { + vec4 text_color = texture2D(myTexture, mTexCoord); + fragColor = tColor; + /* mult both alpha factor to use strength factor with color alpha limit */ + fragColor.a = min(text_color.a * tColor.a, tColor.a); + } +} |