mirror of
https://github.com/MaSzyna-EU07/maszyna.git
synced 2026-10-29 05:47:28 +01:00
48 lines
1.6 KiB
GLSL
48 lines
1.6 KiB
GLSL
#version 460 core
|
|
#define STAGE_FRAGMENT 1
|
|
layout(location = 14) in vec2 f_coords;
|
|
|
|
layout(location = 0) out vec4 out_color;
|
|
|
|
#pragma texture(tex1, 0, RGB)
|
|
layout(binding = 0) uniform sampler2D tex1;
|
|
|
|
// glow of the bright parts of the image (postfx_bloom_*.frag)
|
|
#pragma texture(bloom_tex, 1, RGB)
|
|
layout(binding = 1) uniform sampler2D bloom_tex;
|
|
|
|
#include "common.glsl"
|
|
|
|
// exposure worked out by exposure_average.comp
|
|
layout(std430, binding = EXPOSURE_SSBO_BINDING) readonly buffer exposure_ssbo
|
|
{
|
|
uint histogram[EXPOSURE_HISTOGRAM_BINS];
|
|
float adapted_luminance;
|
|
float exposure;
|
|
float average_luminance;
|
|
uint valid;
|
|
};
|
|
|
|
#include "tonemapping.glsl"
|
|
#include "dither.glsl"
|
|
|
|
// param[0].x: share of the bloom in the image (0: no bloom, the texture is not read), param[0].y: 1 if the automatic
|
|
// exposure is applied, param[0].z: fixed exposure multiplier, param[0].w: scale of the bloom texture (it holds the sum of
|
|
// the levels of the chain), param[1].x: 1 when this is the last pass before the window, which takes the dither,
|
|
// param[1].yzw: gains of the white balance (0: none)
|
|
void main()
|
|
{
|
|
vec2 texcoord = f_coords;
|
|
vec3 hdr_color = texture(tex1, texcoord).xyz;
|
|
if (param[0].x > 0.0)
|
|
hdr_color = mix(hdr_color, texture(bloom_tex, texcoord).rgb * param[0].w, param[0].x);
|
|
if (param[1].y > 0.0)
|
|
hdr_color = white_balance(hdr_color, param[1].yzw);
|
|
float exposurescale = param[0].z;
|
|
if (param[0].y > 0.5 && exposure > 0.0)
|
|
exposurescale *= exposure;
|
|
out_color = tonemap(vec4(hdr_color * exposurescale, 1.0));
|
|
if (param[1].x > 0.5)
|
|
out_color.rgb = dither_output(out_color.rgb);
|
|
}
|