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author | 2023-01-06 23:29:38 +0100 | |
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committer | 2023-02-24 13:17:58 +0100 | |
commit | b9a9576207ddfc7afd89da30b7cfc7ca0d7e335c (patch) | |
tree | c0b4489f1e547fc335e6b82025891cefdc671274 /glow/src/shader | |
parent | 573d27eb52bbfacf1b06983b4282f00eb5265bdc (diff) | |
download | iced-b9a9576207ddfc7afd89da30b7cfc7ca0d7e335c.tar.gz iced-b9a9576207ddfc7afd89da30b7cfc7ca0d7e335c.tar.bz2 iced-b9a9576207ddfc7afd89da30b7cfc7ca0d7e335c.zip |
Remove `iced_glow`, `glyph-brush`, and `wgpu_glyph` dependencies
Diffstat (limited to 'glow/src/shader')
-rw-r--r-- | glow/src/shader/common/gradient.frag | 59 | ||||
-rw-r--r-- | glow/src/shader/common/gradient.vert | 9 | ||||
-rw-r--r-- | glow/src/shader/common/image.frag | 22 | ||||
-rw-r--r-- | glow/src/shader/common/image.vert | 9 | ||||
-rw-r--r-- | glow/src/shader/common/solid.frag | 18 | ||||
-rw-r--r-- | glow/src/shader/common/solid.vert | 11 | ||||
-rw-r--r-- | glow/src/shader/compatibility/quad.frag | 83 | ||||
-rw-r--r-- | glow/src/shader/compatibility/quad.vert | 46 | ||||
-rw-r--r-- | glow/src/shader/core/quad.frag | 95 | ||||
-rw-r--r-- | glow/src/shader/core/quad.vert | 52 |
10 files changed, 0 insertions, 404 deletions
diff --git a/glow/src/shader/common/gradient.frag b/glow/src/shader/common/gradient.frag deleted file mode 100644 index 9af0cb6e..00000000 --- a/glow/src/shader/common/gradient.frag +++ /dev/null @@ -1,59 +0,0 @@ -#ifdef GL_ES -#ifdef GL_FRAGMENT_PRECISION_HIGH -precision highp float; -#else -precision mediump float; -#endif -#endif - -#ifdef HIGHER_THAN_300 -layout (location = 0) out vec4 fragColor; -#define gl_FragColor fragColor -#endif - -in vec2 raw_position; - -uniform vec4 gradient_direction; -uniform int color_stops_size; -// GLSL does not support dynamically sized arrays without SSBOs so this is capped to 16 stops -//stored as color(vec4) -> offset(vec4) sequentially; -uniform vec4 color_stops[32]; - -//TODO: rewrite without branching to make ALUs happy -void main() { - vec2 start = gradient_direction.xy; - vec2 end = gradient_direction.zw; - vec2 gradient_vec = vec2(end - start); - vec2 current_vec = vec2(raw_position.xy - start); - vec2 unit = normalize(gradient_vec); - float coord_offset = dot(unit, current_vec) / length(gradient_vec); - //if a gradient has a start/end stop that is identical, the mesh will have a transparent fill - gl_FragColor = vec4(0.0, 0.0, 0.0, 0.0); - - float min_offset = color_stops[1].x; - float max_offset = color_stops[color_stops_size - 1].x; - - for (int i = 0; i < color_stops_size - 2; i += 2) { - float curr_offset = color_stops[i+1].x; - float next_offset = color_stops[i+3].x; - - if (coord_offset <= min_offset) { - //current coordinate is before the first defined offset, set it to the start color - gl_FragColor = color_stops[0]; - } - - if (curr_offset <= coord_offset && coord_offset <= next_offset) { - //current fragment is between the current offset processing & the next one, interpolate colors - gl_FragColor = mix(color_stops[i], color_stops[i+2], smoothstep( - curr_offset, - next_offset, - coord_offset - )); - } - - if (coord_offset >= max_offset) { - //current coordinate is before the last defined offset, set it to the last color - gl_FragColor = color_stops[color_stops_size - 2]; - } - } -} diff --git a/glow/src/shader/common/gradient.vert b/glow/src/shader/common/gradient.vert deleted file mode 100644 index fe505997..00000000 --- a/glow/src/shader/common/gradient.vert +++ /dev/null @@ -1,9 +0,0 @@ -uniform mat4 u_Transform; - -in vec2 i_Position; -out vec2 raw_position; - -void main() { - gl_Position = u_Transform * vec4(i_Position, 0.0, 1.0); - raw_position = i_Position; -} diff --git a/glow/src/shader/common/image.frag b/glow/src/shader/common/image.frag deleted file mode 100644 index 5e05abdf..00000000 --- a/glow/src/shader/common/image.frag +++ /dev/null @@ -1,22 +0,0 @@ -#ifdef GL_ES -#ifdef GL_FRAGMENT_PRECISION_HIGH -precision highp float; -#else -precision mediump float; -#endif -#endif - -uniform sampler2D tex; -in vec2 tex_pos; - -#ifdef HIGHER_THAN_300 -out vec4 fragColor; -#define gl_FragColor fragColor -#endif -#ifdef GL_ES -#define texture texture2D -#endif - -void main() { - gl_FragColor = texture(tex, tex_pos); -} diff --git a/glow/src/shader/common/image.vert b/glow/src/shader/common/image.vert deleted file mode 100644 index 93e541f2..00000000 --- a/glow/src/shader/common/image.vert +++ /dev/null @@ -1,9 +0,0 @@ -uniform mat4 u_Transform; - -in vec2 i_Position; -out vec2 tex_pos; - -void main() { - gl_Position = u_Transform * vec4(i_Position, 0.0, 1.0); - tex_pos = i_Position; -} diff --git a/glow/src/shader/common/solid.frag b/glow/src/shader/common/solid.frag deleted file mode 100644 index 174ffdd3..00000000 --- a/glow/src/shader/common/solid.frag +++ /dev/null @@ -1,18 +0,0 @@ -#ifdef GL_ES -#ifdef GL_FRAGMENT_PRECISION_HIGH -precision highp float; -#else -precision mediump float; -#endif -#endif - -#ifdef HIGHER_THAN_300 -out vec4 fragColor; -#define gl_FragColor fragColor -#endif - -in vec4 v_Color; - -void main() { - gl_FragColor = v_Color; -} diff --git a/glow/src/shader/common/solid.vert b/glow/src/shader/common/solid.vert deleted file mode 100644 index 59ed88e5..00000000 --- a/glow/src/shader/common/solid.vert +++ /dev/null @@ -1,11 +0,0 @@ -uniform mat4 u_Transform; - -in vec2 i_Position; -in vec4 i_Color; - -out vec4 v_Color; - -void main() { - gl_Position = u_Transform * vec4(i_Position, 0.0, 1.0); - v_Color = i_Color; -} diff --git a/glow/src/shader/compatibility/quad.frag b/glow/src/shader/compatibility/quad.frag deleted file mode 100644 index bb9d8122..00000000 --- a/glow/src/shader/compatibility/quad.frag +++ /dev/null @@ -1,83 +0,0 @@ -#ifdef GL_ES -#ifdef GL_FRAGMENT_PRECISION_HIGH -precision highp float; -#else -precision mediump float; -#endif -#endif - -uniform float u_ScreenHeight; - -varying vec4 v_Color; -varying vec4 v_BorderColor; -varying vec2 v_Pos; -varying vec2 v_Scale; -varying vec4 v_BorderRadius; -varying float v_BorderWidth; - -float _distance(vec2 frag_coord, vec2 position, vec2 size, float radius) -{ - // TODO: Try SDF approach: https://www.shadertoy.com/view/wd3XRN - vec2 inner_size = size - vec2(radius, radius) * 2.0; - vec2 top_left = position + vec2(radius, radius); - vec2 bottom_right = top_left + inner_size; - - vec2 top_left_distance = top_left - frag_coord; - vec2 bottom_right_distance = frag_coord - bottom_right; - - vec2 distance = vec2( - max(max(top_left_distance.x, bottom_right_distance.x), 0.0), - max(max(top_left_distance.y, bottom_right_distance.y), 0.0) - ); - - return sqrt(distance.x * distance.x + distance.y * distance.y); -} - -float selectBorderRadius(vec4 radi, vec2 position, vec2 center) -{ - float rx = radi.x; - float ry = radi.y; - rx = position.x > center.x ? radi.y : radi.x; - ry = position.x > center.x ? radi.z : radi.w; - rx = position.y > center.y ? ry : rx; - return rx; -} - -void main() { - vec2 fragCoord = vec2(gl_FragCoord.x, u_ScreenHeight - gl_FragCoord.y); - - float border_radius = selectBorderRadius( - v_BorderRadius, - fragCoord, - (v_Pos + v_Scale * 0.5).xy - ); - - float internal_border = max(border_radius - v_BorderWidth, 0.0); - - float internal_distance = _distance( - fragCoord, - v_Pos + vec2(v_BorderWidth), - v_Scale - vec2(v_BorderWidth * 2.0), - internal_border - ); - - float border_mix = smoothstep( - max(internal_border - 0.5, 0.0), - internal_border + 0.5, - internal_distance - ); - - vec4 mixed_color = mix(v_Color, v_BorderColor, border_mix); - - float d = _distance( - fragCoord, - v_Pos, - v_Scale, - border_radius - ); - - float radius_alpha = - 1.0 - smoothstep(max(border_radius - 0.5, 0.0), border_radius + 0.5, d); - - gl_FragColor = vec4(mixed_color.xyz, mixed_color.w * radius_alpha); -} diff --git a/glow/src/shader/compatibility/quad.vert b/glow/src/shader/compatibility/quad.vert deleted file mode 100644 index 89931f06..00000000 --- a/glow/src/shader/compatibility/quad.vert +++ /dev/null @@ -1,46 +0,0 @@ -uniform mat4 u_Transform; -uniform float u_Scale; - -attribute vec2 i_Pos; -attribute vec2 i_Scale; -attribute vec4 i_Color; -attribute vec4 i_BorderColor; -attribute vec4 i_BorderRadius; -attribute float i_BorderWidth; -attribute vec2 q_Pos; - -varying vec4 v_Color; -varying vec4 v_BorderColor; -varying vec2 v_Pos; -varying vec2 v_Scale; -varying vec4 v_BorderRadius; -varying float v_BorderWidth; - - -void main() { - vec2 p_Pos = i_Pos * u_Scale; - vec2 p_Scale = i_Scale * u_Scale; - - vec4 i_BorderRadius = vec4( - min(i_BorderRadius.x, min(i_Scale.x, i_Scale.y) / 2.0), - min(i_BorderRadius.y, min(i_Scale.x, i_Scale.y) / 2.0), - min(i_BorderRadius.z, min(i_Scale.x, i_Scale.y) / 2.0), - min(i_BorderRadius.w, min(i_Scale.x, i_Scale.y) / 2.0) - ); - - mat4 i_Transform = mat4( - vec4(p_Scale.x + 1.0, 0.0, 0.0, 0.0), - vec4(0.0, p_Scale.y + 1.0, 0.0, 0.0), - vec4(0.0, 0.0, 1.0, 0.0), - vec4(p_Pos - vec2(0.5, 0.5), 0.0, 1.0) - ); - - v_Color = i_Color; - v_BorderColor = i_BorderColor; - v_Pos = p_Pos; - v_Scale = p_Scale; - v_BorderRadius = i_BorderRadius * u_Scale; - v_BorderWidth = i_BorderWidth * u_Scale; - - gl_Position = u_Transform * i_Transform * vec4(q_Pos, 0.0, 1.0); -} diff --git a/glow/src/shader/core/quad.frag b/glow/src/shader/core/quad.frag deleted file mode 100644 index 71147aa5..00000000 --- a/glow/src/shader/core/quad.frag +++ /dev/null @@ -1,95 +0,0 @@ -#ifdef GL_ES -#ifdef GL_FRAGMENT_PRECISION_HIGH -precision highp float; -#else -precision mediump float; -#endif -#endif - -#ifdef HIGHER_THAN_300 -out vec4 fragColor; -#define gl_FragColor fragColor -#endif - -uniform float u_ScreenHeight; - -in vec4 v_Color; -in vec4 v_BorderColor; -in vec2 v_Pos; -in vec2 v_Scale; -in vec4 v_BorderRadius; -in float v_BorderWidth; - -float fDistance(vec2 frag_coord, vec2 position, vec2 size, float radius) -{ - // TODO: Try SDF approach: https://www.shadertoy.com/view/wd3XRN - vec2 inner_size = size - vec2(radius, radius) * 2.0; - vec2 top_left = position + vec2(radius, radius); - vec2 bottom_right = top_left + inner_size; - - vec2 top_left_distance = top_left - frag_coord; - vec2 bottom_right_distance = frag_coord - bottom_right; - - vec2 distance = vec2( - max(max(top_left_distance.x, bottom_right_distance.x), 0.0), - max(max(top_left_distance.y, bottom_right_distance.y), 0.0) - ); - - return sqrt(distance.x * distance.x + distance.y * distance.y); -} - -float selectBorderRadius(vec4 radi, vec2 position, vec2 center) -{ - float rx = radi.x; - float ry = radi.y; - rx = position.x > center.x ? radi.y : radi.x; - ry = position.x > center.x ? radi.z : radi.w; - rx = position.y > center.y ? ry : rx; - return rx; -} - -void main() { - vec4 mixed_color; - - vec2 fragCoord = vec2(gl_FragCoord.x, u_ScreenHeight - gl_FragCoord.y); - - float border_radius = selectBorderRadius( - v_BorderRadius, - fragCoord, - (v_Pos + v_Scale * 0.5).xy - ); - - // TODO: Remove branching (?) - if(v_BorderWidth > 0.0) { - float internal_border = max(border_radius - v_BorderWidth, 0.0); - - float internal_distance = fDistance( - fragCoord, - v_Pos + vec2(v_BorderWidth), - v_Scale - vec2(v_BorderWidth * 2.0), - internal_border - ); - - float border_mix = smoothstep( - max(internal_border - 0.5, 0.0), - internal_border + 0.5, - internal_distance - ); - - mixed_color = mix(v_Color, v_BorderColor, border_mix); - } else { - mixed_color = v_Color; - } - - float d = fDistance( - fragCoord, - v_Pos, - v_Scale, - border_radius - ); - - float radius_alpha = - 1.0 - smoothstep(max(border_radius - 0.5, 0.0), border_radius + 0.5, d); - - gl_FragColor = vec4(mixed_color.xyz, mixed_color.w * radius_alpha); -} diff --git a/glow/src/shader/core/quad.vert b/glow/src/shader/core/quad.vert deleted file mode 100644 index 17c3e641..00000000 --- a/glow/src/shader/core/quad.vert +++ /dev/null @@ -1,52 +0,0 @@ -uniform mat4 u_Transform; -uniform float u_Scale; - -in vec2 i_Pos; -in vec2 i_Scale; -in vec4 i_Color; -in vec4 i_BorderColor; -in vec4 i_BorderRadius; -in float i_BorderWidth; - -out vec4 v_Color; -out vec4 v_BorderColor; -out vec2 v_Pos; -out vec2 v_Scale; -out vec4 v_BorderRadius; -out float v_BorderWidth; - -vec2 positions[4] = vec2[]( - vec2(0.0, 0.0), - vec2(0.0, 1.0), - vec2(1.0, 0.0), - vec2(1.0, 1.0) -); - -void main() { - vec2 q_Pos = positions[gl_VertexID]; - vec2 p_Pos = i_Pos * u_Scale; - vec2 p_Scale = i_Scale * u_Scale; - - vec4 i_BorderRadius = vec4( - min(i_BorderRadius.x, min(i_Scale.x, i_Scale.y) / 2.0), - min(i_BorderRadius.y, min(i_Scale.x, i_Scale.y) / 2.0), - min(i_BorderRadius.z, min(i_Scale.x, i_Scale.y) / 2.0), - min(i_BorderRadius.w, min(i_Scale.x, i_Scale.y) / 2.0) - ); - - mat4 i_Transform = mat4( - vec4(p_Scale.x + 1.0, 0.0, 0.0, 0.0), - vec4(0.0, p_Scale.y + 1.0, 0.0, 0.0), - vec4(0.0, 0.0, 1.0, 0.0), - vec4(p_Pos - vec2(0.5, 0.5), 0.0, 1.0) - ); - - v_Color = i_Color; - v_BorderColor = i_BorderColor; - v_Pos = p_Pos; - v_Scale = p_Scale; - v_BorderRadius = i_BorderRadius * u_Scale; - v_BorderWidth = i_BorderWidth * u_Scale; - - gl_Position = u_Transform * i_Transform * vec4(q_Pos, 0.0, 1.0); -} |