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[require]
GLSL >= 1.30
[vertex shader]
#version 130
#extension GL_ARB_uniform_buffer_object : enable
#extension GL_ARB_shading_language_420pack : enable
#define ATTRIN in
#define ATTROUT out
#define VARYIN centroid in
#define VARYOUT centroid out
#define float2 vec2
#define float3 vec3
#define float4 vec4
#define int2 ivec2
#define int3 ivec3
#define int4 ivec4
#define frac fract
#define lerp mix
void main()
{
vec2 rawpos = vec2(gl_VertexID&1, gl_VertexID&2);
gl_Position = vec4(rawpos*2.0-1.0, 0.0, 1.0);
}
[fragment shader]
#version 130
#extension GL_ARB_uniform_buffer_object : enable
#extension GL_ARB_shading_language_420pack : enable
#define ATTRIN in
#define ATTROUT out
#define VARYIN centroid in
#define VARYOUT centroid out
#define float2 vec2
#define float3 vec3
#define float4 vec4
#define int2 ivec2
#define int3 ivec3
#define int4 ivec4
#define frac fract
#define lerp mix
uniform int4 position;
#define samp0 samp9
uniform sampler2D samp0;
out vec4 ocol0;
void main()
{
int2 sampleUv;
int2 uv1 = int2(gl_FragCoord.xy);
float2 uv0 = float2(0.0, 0.0);
uv1.x = uv1.x * 1;
int yl = uv1.y / 4;
int yb = yl * 4;
int yoff = uv1.y - yb;
int xp = uv1.x + yoff * position.z;
int xel = xp / 2;
int xb = xel / 4;
int xoff = xel - xb * 4;
int xl = uv1.x * 2 / 4;
int xib = uv1.x * 2 - xl * 4;
int halfxb = xb / 2;
sampleUv.x = xib + halfxb * 4;
sampleUv.y = yb + xoff;
bool first = xb == (halfxb * 2);
float4 texSample;
float4 color0;
float4 color1;
uv0 = float2(sampleUv + int2(0, 0));
uv0 += float2(0.5, 0.5);
uv0 *= float(position.w);
uv0 += float2(position.xy);
uv0 /= float2(640, 528);
uv0.y = 1.0-uv0.y;
texSample = texture(samp0, uv0).rgba;
color0.b = texSample.a;
color0.g = texSample.r;
color1.b = texSample.g;
color1.g = texSample.b;
uv0 = float2(sampleUv + int2(1, 0));
uv0 += float2(0.5, 0.5);
uv0 *= float(position.w);
uv0 += float2(position.xy);
uv0 /= float2(640, 528);
uv0.y = 1.0-uv0.y;
texSample = texture(samp0, uv0).rgba;
color0.r = texSample.a;
color0.a = texSample.r;
color1.r = texSample.g;
color1.a = texSample.b;
ocol0 = first ? color0 : color1;
}
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