37 lines
937 B
GLSL
Executable file
37 lines
937 B
GLSL
Executable file
#version 450
|
|
|
|
#include "compiled.inc"
|
|
|
|
in vec2 pos;
|
|
|
|
uniform vec2 screenSize;
|
|
uniform vec2 screenSizeInv;
|
|
|
|
out vec2 texCoord;
|
|
out vec2 pixcoord;
|
|
out vec4 offset0;
|
|
out vec4 offset1;
|
|
out vec4 offset2;
|
|
|
|
const int SMAA_MAX_SEARCH_STEPS = 16;
|
|
|
|
void main() {
|
|
// Scale vertex attribute to [0-1] range
|
|
const vec2 madd = vec2(0.5, 0.5);
|
|
texCoord = pos.xy * madd + madd;
|
|
|
|
// Blend Weight Calculation Vertex Shader
|
|
pixcoord = texCoord * screenSize;
|
|
|
|
// We will use these offsets for the searches later on (see @PSEUDO_GATHER4):
|
|
offset0 = screenSizeInv.xyxy * vec4(-0.25, -0.125, 1.25, -0.125) + texCoord.xyxy;
|
|
offset1 = screenSizeInv.xyxy * vec4(-0.125, -0.25, -0.125, 1.25) + texCoord.xyxy;
|
|
|
|
// And these for the searches, they indicate the ends of the loops:
|
|
offset2 = screenSizeInv.xxyy *
|
|
(vec4(-2.0, 2.0, -2.0, 2.0) * float(SMAA_MAX_SEARCH_STEPS)) +
|
|
vec4(offset0.xz, offset1.yw);
|
|
|
|
gl_Position = vec4(pos.xy, 0.0, 1.0);
|
|
}
|