75 lines
2.1 KiB
Plaintext
75 lines
2.1 KiB
Plaintext
|
#version 410 compatibility
|
||
|
|
#define SMAA_PIXEL_SIZE vec2(1.0 / 512.0, 1.0 / 512.0)
|
||
|
|
|
||
|
|
#define SMAA_THRESHOLD 0.05
|
||
|
|
#define SMAA_MAX_SEARCH_STEPS 32
|
||
|
|
#define SMAA_MAX_SEARCH_STEPS_DIAG 16
|
||
|
|
#define SMAA_CORNER_ROUNDING 25
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef SMAA_DEPTH_THRESHOLD
|
||
|
|
#define SMAA_DEPTH_THRESHOLD (0.1 * SMAA_THRESHOLD)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef SMAA_REPROJECTION
|
||
|
|
#define SMAA_REPROJECTION 0
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define SMAA_REPROJECTION_WEIGHT_SCALE 30.0
|
||
|
|
|
||
|
|
|
||
|
|
#ifndef SMAA_AREATEX_MAX_DISTANCE
|
||
|
|
#define SMAA_AREATEX_MAX_DISTANCE 16
|
||
|
|
#endif
|
||
|
|
#ifndef SMAA_AREATEX_MAX_DISTANCE_DIAG
|
||
|
|
#define SMAA_AREATEX_MAX_DISTANCE_DIAG 20
|
||
|
|
#endif
|
||
|
|
#define SMAA_AREATEX_PIXEL_SIZE (1.0 / vec2(160.0, 560.0))
|
||
|
|
#define SMAA_AREATEX_SUBTEX_SIZE (1.0 / 7.0)
|
||
|
|
|
||
|
|
|
||
|
|
/* --- Define section is over ---- */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Blend Weight Calculation Vertex Shader
|
||
|
|
*/
|
||
|
|
void SMAABlendingWeightCalculationVS(vec4 position,
|
||
|
|
out vec4 svPosition,
|
||
|
|
inout vec2 texcoord,
|
||
|
|
out vec2 pixcoord,
|
||
|
|
out vec4 offset[3]) {
|
||
|
|
svPosition = position;
|
||
|
|
|
||
|
|
pixcoord = texcoord / SMAA_PIXEL_SIZE;
|
||
|
|
|
||
|
|
// We will use these offsets for the searches later on (see @PSEUDO_GATHER4):
|
||
|
|
offset[0] = texcoord.xyxy + SMAA_PIXEL_SIZE.xyxy * vec4(-0.25, -0.125, 1.25, -0.125);
|
||
|
|
offset[1] = texcoord.xyxy + SMAA_PIXEL_SIZE.xyxy * vec4(-0.125, -0.25, -0.125, 1.25);
|
||
|
|
|
||
|
|
// And these for the searches, they indicate the ends of the loops:
|
||
|
|
offset[2] = vec4(offset[0].xz, offset[1].yw) +
|
||
|
|
vec4(-2.0, 2.0, -2.0, 2.0) *
|
||
|
|
SMAA_PIXEL_SIZE.xxyy * float(SMAA_MAX_SEARCH_STEPS);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* ------------- Header is over -------------- */
|
||
|
|
|
||
|
|
out vec2 texcoord;
|
||
|
|
out vec2 pixcoord;
|
||
|
|
out vec4 offset[3];
|
||
|
|
out vec4 dummy2;
|
||
|
|
|
||
|
|
attribute vec3 vPosition;
|
||
|
|
attribute vec2 vTexCoord;
|
||
|
|
uniform mat4 ProjectionMatrix;
|
||
|
|
|
||
|
|
|
||
|
|
void main()
|
||
|
|
{
|
||
|
|
texcoord = vTexCoord;
|
||
|
|
vec4 dummy1 = vec4(0);
|
||
|
|
SMAABlendingWeightCalculationVS(dummy1, dummy2, texcoord, pixcoord, offset);
|
||
|
|
gl_Position = ProjectionMatrix * vec4(vPosition.xyz, 1.0);
|
||
|
|
}
|