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Fix wobbly sky in stereoscopic OpenGL

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This commit is contained in:
Bastiaan Olij 2023-02-21 16:11:05 +11:00
parent 62d4d8bfc6
commit 2852c9c319
1 changed files with 4 additions and 6 deletions
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10
drivers/gles3/shaders/sky.glsl
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@ -21,12 +21,13 @@ out vec2 uv_interp;
/* clang-format on */
void main() {
uv_interp = vertex_attrib;
#ifdef USE_INVERTED_Y
gl_Position = vec4(uv_interp, 1.0, 1.0);
uv_interp = vertex_attrib;
#else
gl_Position = vec4(uv_interp.x, uv_interp.y * -1.0, 1.0, 1.0);
// We're doing clockwise culling so flip the order
uv_interp = vec2(vertex_attrib.x, vertex_attrib.y * -1.0);
#endif
gl_Position = vec4(uv_interp, 1.0, 1.0);
}
/* clang-format off */
@ -144,9 +145,6 @@ void main() {
cube_normal.z = -1.0;
cube_normal.x = (uv_interp.x + projection.x) / projection.y;
cube_normal.y = (-uv_interp.y - projection.z) / projection.w;
#endif
#ifndef USE_INVERTED_Y
cube_normal.y *= -1.0;
#endif
cube_normal = mat3(orientation) * cube_normal;
cube_normal = normalize(cube_normal);