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try to improve motion blur

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milek7
2020-12-01 01:45:48 +01:00
parent c004047276
commit ee5551a424
4 changed files with 32 additions and 66 deletions
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31
shaders/postfx_motionblur.frag
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@@ -7,23 +7,36 @@ uniform sampler2D color_tex;
#texture (velocity_tex, 1, RG)
uniform sampler2D velocity_tex;
#texture (depth_tex, 2, R)
uniform sampler2D depth_tex;
#include <common>
void main()
{
{
float ori_depth = texture(depth_tex, f_coords).x;
vec2 texelSize = 1.0 / vec2(textureSize(color_tex, 0));
vec2 velocity = texture(velocity_tex, f_coords).rg * param[0].r;
vec2 velocity = texture(velocity_tex, f_coords).xy * param[0].x;
float speed = length(velocity / texelSize);
int nSamples = clamp(int(speed), 1, 64);
int nSamples = clamp(int(speed), 1, 32);
vec4 oResult = texture(color_tex, f_coords);
float depth_diff = 0.001 * 8.0;
vec4 result = vec4(0.0);
result += vec4(texture(color_tex, f_coords).rgb, 1.0);
for (int i = 1; i < nSamples; ++i)
{
vec2 offset = velocity * (float(i) / float(nSamples - 1) - 0.5);
oResult += texture(color_tex, f_coords + offset);
vec2 coord = f_coords + offset;
float depth = texture(depth_tex, coord).x;
if (abs(depth - ori_depth) < depth_diff)
result += vec4(texture(color_tex, coord).rgb, 1.0);
}
oResult /= float(nSamples);
out_color = oResult;
}
out_color = vec4((result.rgb / result.w), 1.0);
}