mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-10-15 07:53:23 -05:00
33 lines
962 B
Plaintext
33 lines
962 B
Plaintext
struct inputdata
|
|
{
|
|
vec2 video_size;
|
|
vec2 texture_size;
|
|
vec2 output_size;
|
|
float frame_count;
|
|
float frame_direction;
|
|
float frame_rotation;
|
|
};
|
|
|
|
attribute vec4 a_position;
|
|
attribute vec2 a_texCoord;
|
|
uniform inputdata IN;
|
|
varying vec4 TexCoord[8];
|
|
|
|
void main()
|
|
{
|
|
const vec2 OGLSize = vec2( 1024.0, 512.0);
|
|
vec2 OGLInvSize = 1.0/OGLSize;
|
|
float dx = OGLInvSize.x;
|
|
float dy = OGLInvSize.y;
|
|
|
|
gl_Position = a_position;
|
|
TexCoord[0].xy = a_texCoord;
|
|
TexCoord[1] = TexCoord[0].xxxy + vec4( -dx, 0, dx,-2.0*dy); // A1 B1 C1
|
|
TexCoord[2] = TexCoord[0].xxxy + vec4( -dx, 0, dx, -dy); // A B C
|
|
TexCoord[3] = TexCoord[0].xxxy + vec4( -dx, 0, dx, 0); // D E F
|
|
TexCoord[4] = TexCoord[0].xxxy + vec4( -dx, 0, dx, dy); // G H I
|
|
TexCoord[5] = TexCoord[0].xxxy + vec4( -dx, 0, dx, 2.0*dy); // G5 H5 I5
|
|
TexCoord[6] = TexCoord[0].xyyy + vec4(-2.0*dx,-dy, 0, dy); // A0 D0 G0
|
|
TexCoord[7] = TexCoord[0].xyyy + vec4( 2.0*dx,-dy, 0, dy); // C4 F4 I4
|
|
}
|