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Fixed fragment shader compatibility issues with GLES 3.0+

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This commit is contained in:
bungoboingo 2022-10-10 20:55:43 -07:00
parent aabc4e87b5
commit bb8d46a3fd
2 changed files with 14 additions and 14 deletions
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26
glow/src/shader/common/gradient.frag
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@ -1,14 +1,14 @@
#ifdef GL_ES
#ifdef GL_FRAGMENT_PRECISION_HIGH
precision highp float;
#else
precision mediump float;
#endif
#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
layout (location = 0) out vec4 fragColor;
#define gl_FragColor fragColor
#endif
in vec2 raw_position;
@ -31,11 +31,11 @@ void main() {
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;
float max_offset = color_stops[color_stops_size - 1u].x;
for (uint 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;
for (uint i = 0u; i < color_stops_size - 2u; i += 2u) {
float curr_offset = color_stops[i+1u].x;
float next_offset = color_stops[i+3u].x;
if (coord_offset <= min_offset) {
//current coordinate is before the first defined offset, set it to the start color
@ -44,7 +44,7 @@ void main() {
if (curr_offset <= coord_offset && coord_offset <= next_offset) {
//current fragment is between the current offset processing & the next one, interpolate colors
fragColor = mix(color_stops[i], color_stops[i+2], smoothstep(
fragColor = mix(color_stops[i], color_stops[i+2u], smoothstep(
curr_offset,
next_offset,
coord_offset
@ -53,7 +53,7 @@ void main() {
if (coord_offset >= max_offset) {
//current coordinate is before the last defined offset, set it to the last color
fragColor = color_stops[color_stops_size - 2];
fragColor = color_stops[color_stops_size - 2u];
}
}
}

2
glow/src/window/compositor.rs
View file

@ -26,7 +26,7 @@ impl<Theme> iced_graphics::window::GLCompositor for Compositor<Theme> {
log::info!("{:#?}", settings);
let version = gl.version();
log::info!("OpenGL version: {:?} (Embedded: {}", version, version.is_embedded);
log::info!("OpenGL version: {:?} (Embedded: {})", version, version.is_embedded);
let renderer = gl.get_parameter_string(glow::RENDERER);
log::info!("Renderer: {}", renderer);