Panda3DS/src/host_shaders/opengl_es_display.vert
2024-12-28 19:52:42 +02:00

25 lines
No EOL
655 B
GLSL

#version 310 es
precision mediump float;
out vec2 UV;
void main() {
const vec4 positions[4] = vec4[](
vec4(-1.0, 1.0, 1.0, 1.0), // Top-left
vec4(1.0, 1.0, 1.0, 1.0), // Top-right
vec4(-1.0, -1.0, 1.0, 1.0), // Bottom-left
vec4(1.0, -1.0, 1.0, 1.0) // Bottom-right
);
// The 3DS displays both screens' framebuffer rotated 90 deg counter clockwise
// So we adjust our texcoords accordingly
const vec2 texcoords[4] = vec2[](
vec2(1.0, 1.0), // Top-right
vec2(1.0, 0.0), // Bottom-right
vec2(0.0, 1.0), // Top-left
vec2(0.0, 0.0) // Bottom-left
);
gl_Position = positions[gl_VertexID];
UV = texcoords[gl_VertexID];
}