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authorMike Pavone <pavone@retrodev.com>2018-12-30 21:10:44 -0800
committerMike Pavone <pavone@retrodev.com>2018-12-30 21:10:44 -0800
commitbef22a39e5abd914eb0fa08b994186a588ee94ce (patch)
treef1eafb48f19b3db6140106d73b6015c70523fb0c /shaders
parent4f47e90c3d4c6a2d1a36ea48e44bdec042d62cbd (diff)
Added support for GLES in addition to desktop GL
Diffstat (limited to 'shaders')
-rw-r--r--shaders/default.f.glsl7
-rw-r--r--shaders/default.v.glsl7
2 files changed, 6 insertions, 8 deletions
diff --git a/shaders/default.f.glsl b/shaders/default.f.glsl
index 3427e09..4aecdae 100644
--- a/shaders/default.f.glsl
+++ b/shaders/default.f.glsl
@@ -1,13 +1,12 @@
-#version 110
uniform sampler2D textures[2];
-varying vec2 texcoord;
+varying mediump vec2 texcoord;
void main()
{
- vec2 modifiedCoord0 = vec2(texcoord.x, (floor(texcoord.y * 512.0 + 0.25) + 0.5)/512.0);
- vec2 modifiedCoord1 = vec2(texcoord.x, (floor(texcoord.y * 512.0 - 0.25) + 0.5)/512.0);
+ mediump vec2 modifiedCoord0 = vec2(texcoord.x, (floor(texcoord.y * 512.0 + 0.25) + 0.5)/512.0);
+ mediump vec2 modifiedCoord1 = vec2(texcoord.x, (floor(texcoord.y * 512.0 - 0.25) + 0.5)/512.0);
gl_FragColor = mix(
texture2D(textures[1], modifiedCoord1),
texture2D(textures[0], modifiedCoord0),
diff --git a/shaders/default.v.glsl b/shaders/default.v.glsl
index 197fdbe..82a2439 100644
--- a/shaders/default.v.glsl
+++ b/shaders/default.v.glsl
@@ -1,11 +1,10 @@
-#version 110
attribute vec2 pos;
-varying vec2 texcoord;
-uniform float width, height;
+varying mediump vec2 texcoord;
+uniform mediump float width, height;
void main()
{
gl_Position = vec4(pos, 0.0, 1.0);
- texcoord = sign(pos) * vec2(width/1024.0, height/-1024.0) + vec2(width/1024.0, height/1024.0);
+ texcoord = sign(pos) * vec2(width / 1024.0, height / -1024.0) + vec2(width / 1024.0, height / 1024.0);
}