diff options
Diffstat (limited to 'shaders/image.vert.glsl')
| -rw-r--r-- | shaders/image.vert.glsl | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/shaders/image.vert.glsl b/shaders/image.vert.glsl index ace55a53..04196ce4 100644 --- a/shaders/image.vert.glsl +++ b/shaders/image.vert.glsl @@ -4,8 +4,13 @@ // the pane's cell rectangle and the aspect-preserving contain fit to NDC. layout(location = 0) in vec4 a_rect; // x0, y0, x1, y1 layout(location = 1) in vec4 a_uv_rect; // u0, v0, u1, v1 +layout(location = 2) in vec4 a_panel_rect; +layout(location = 3) in vec4 a_present_rect; +layout(location = 4) in uvec4 a_effect; layout(location = 0) out vec2 v_uv; +layout(location = 1) out vec2 v_panel_uv; +layout(location = 2) flat out uvec4 v_effect; void main() { vec2 pos; @@ -29,5 +34,16 @@ void main() { pos = vec2(a_rect.x, a_rect.w); v_uv = vec2(a_uv_rect.x, a_uv_rect.w); } + v_panel_uv = v_uv; + uint effect = a_effect.x & 0x7fffffffu; + if (effect != 0u) { + vec2 panel_size = a_panel_rect.zw - a_panel_rect.xy; + panel_size.x = abs(panel_size.x) < 0.000001 ? 0.000001 : panel_size.x; + panel_size.y = abs(panel_size.y) < 0.000001 ? -0.000001 : panel_size.y; + v_panel_uv = (pos - a_panel_rect.xy) / panel_size; + if (effect == 1u || effect == 2u || effect == 5u) + pos = mix(a_present_rect.xy, a_present_rect.zw, v_panel_uv); + } + v_effect = a_effect; gl_Position = vec4(pos, 0.0, 1.0); } |