mirror of
https://github.com/MaSzyna-EU07/maszyna.git
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Detail normalmap shaders @Jan21
This commit is contained in:
stele
81
shaders/mat_detail_normalmap.frag
Normal file
81
shaders/mat_detail_normalmap.frag
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@@ -0,0 +1,81 @@
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in vec3 f_normal;
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in vec2 f_coord;
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in vec4 f_pos;
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in mat3 f_tbn;
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in vec4 f_clip_pos;
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in vec4 f_clip_future_pos;
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#include <common>
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layout(location = 0) out vec4 out_color;
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#if MOTIONBLUR_ENABLED
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layout(location = 1) out vec4 out_motion;
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#endif
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#param (color, 0, 0, 4, diffuse)
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#param (diffuse, 1, 0, 1, diffuse)
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#param (specular, 1, 1, 1, specular)
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#param (reflection, 1, 2, 1, one)
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#param (glossiness, 1, 3, 1, glossiness)
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#param (detail_scale, 2, 0, 1, one)
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#param (detail_height_scale, 2, 1, 1, one)
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#texture (diffuse, 0, sRGB_A)
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uniform sampler2D diffuse;
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#texture (normalmap, 1, RGBA)
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uniform sampler2D normalmap;
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#texture (detailnormalmap, 2, RGBA)
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uniform sampler2D detailnormalmap;
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#define NORMALMAP
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#include <light_common.glsl>
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#include <apply_fog.glsl>
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#include <tonemapping.glsl>
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void main()
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{
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vec4 tex_color = texture(diffuse, f_coord);
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bool alphatestfail = ( opacity >= 0.0 ? (tex_color.a < opacity) : (tex_color.a >= -opacity) );
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if(alphatestfail)
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discard;
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vec3 fragcolor = ambient;
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vec4 normal_map = texture(normalmap, f_coord);
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vec4 detailnormal_map = texture(detailnormalmap, f_coord * param[2].x);
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vec3 normal;
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vec3 normaldetail;
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normaldetail.xy = detailnormal_map.rg* 2.0 - 1.0;
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normaldetail.z = sqrt(1.0 - clamp((dot(normaldetail.xy, normaldetail.xy)), 0.0, 1.0));
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normaldetail.xyz = normaldetail.xyz * param[2].y;
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normal.xy = normal_map.rg* 2.0 - 1.0;
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normal.z = sqrt(1.0 - clamp((dot(normal.xy, normal.xy)), 0.0, 1.0));
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vec3 fragnormal = normalize(f_tbn * normalize(vec3(normal.xy + normaldetail.xy, normal.z)));
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float reflblend = (normal_map.a + detailnormal_map.a);
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float reflectivity = reflblend > 1.0 ? param[1].z * 1.0 : param[1].z * reflblend;
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float specularity = (tex_color.r + tex_color.g + tex_color.b) * 0.5;
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fragcolor = apply_lights(fragcolor, fragnormal, tex_color.rgb, reflectivity, specularity, shadow_tone);
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vec4 color = vec4(apply_fog(fragcolor), tex_color.a * alpha_mult);
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#if POSTFX_ENABLED
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out_color = color;
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#else
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out_color = tonemap(color);
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#endif
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#if MOTIONBLUR_ENABLED
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{
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vec2 a = (f_clip_future_pos.xy / f_clip_future_pos.w) * 0.5 + 0.5;;
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vec2 b = (f_clip_pos.xy / f_clip_pos.w) * 0.5 + 0.5;;
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out_motion = vec4(a - b, 0.0f, 0.0f);
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}
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#endif
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}
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89
shaders/mat_detail_normalmap_specgloss.frag
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89
shaders/mat_detail_normalmap_specgloss.frag
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@@ -0,0 +1,89 @@
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in vec3 f_normal;
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in vec2 f_coord;
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in vec4 f_pos;
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in mat3 f_tbn;
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in vec4 f_clip_pos;
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in vec4 f_clip_future_pos;
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#include <common>
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layout(location = 0) out vec4 out_color;
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#if MOTIONBLUR_ENABLED
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layout(location = 1) out vec4 out_motion;
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#endif
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#param (color, 0, 0, 4, diffuse)
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#param (diffuse, 1, 0, 1, diffuse)
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#param (specular, 1, 1, 1, specular)
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#param (reflection, 1, 2, 1, one)
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#param (glossiness, 1, 3, 1, glossiness)
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#param (detail_scale, 2, 0, 1, one)
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#param (detail_height_scale, 2, 1, 1, one)
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#texture (diffuse, 0, sRGB_A)
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uniform sampler2D diffuse;
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#texture (normalmap, 1, RGBA)
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uniform sampler2D normalmap;
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#texture (detailnormalmap, 2, RGBA)
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uniform sampler2D detailnormalmap;
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#texture (specgloss, 3, RGBA)
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uniform sampler2D specgloss;
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#define NORMALMAP
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#include <light_common.glsl>
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#include <apply_fog.glsl>
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#include <tonemapping.glsl>
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void main()
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{
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vec4 tex_color = texture(diffuse, f_coord);
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bool alphatestfail = ( opacity >= 0.0 ? (tex_color.a < opacity) : (tex_color.a >= -opacity) );
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if(alphatestfail)
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discard;
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// if (tex_color.a < opacity)
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// discard;
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vec3 fragcolor = ambient;
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vec4 normal_map = texture(normalmap, f_coord);
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vec4 detailnormal_map = texture(detailnormalmap, f_coord * param[2].x);
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vec4 specgloss_map = texture(specgloss, f_coord);
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vec3 normal;
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vec3 normaldetail;
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normaldetail.xy = detailnormal_map.rg* 2.0 - 1.0;
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normaldetail.z = sqrt(1.0 - clamp((dot(normaldetail.xy, normaldetail.xy)), 0.0, 1.0));
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normaldetail.xyz = normaldetail.xyz * param[2].y;
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normal.xy = normal_map.rg* 2.0 - 1.0;
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normal.z = sqrt(1.0 - clamp((dot(normal.xy, normal.xy)), 0.0, 1.0));
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vec3 fragnormal = normalize(f_tbn * normalize(vec3(normal.xy + normaldetail.xy, normal.z)));
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float reflblend = (normal_map.a + detailnormal_map.a);
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float reflectivity = reflblend > 1.0 ? param[1].z * 1.0 : param[1].z * reflblend;
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float specularity = specgloss_map.r;
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glossiness = specgloss_map.g * abs(param[1].w);
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metalic = (specgloss_map.b > 0.5) ? true : false;
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fragcolor = apply_lights(fragcolor, fragnormal, tex_color.rgb, reflectivity, specularity, shadow_tone);
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vec4 color = vec4(apply_fog(fragcolor), tex_color.a * alpha_mult);
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#if POSTFX_ENABLED
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out_color = color;
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#else
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out_color = tonemap(color);
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#endif
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#if MOTIONBLUR_ENABLED
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{
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vec2 a = (f_clip_future_pos.xy / f_clip_future_pos.w) * 0.5 + 0.5;;
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vec2 b = (f_clip_pos.xy / f_clip_pos.w) * 0.5 + 0.5;;
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out_motion = vec4(a - b, 0.0f, 0.0f);
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}
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#endif
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}
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134
shaders/mat_detail_parallax.frag
Normal file
134
shaders/mat_detail_parallax.frag
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@@ -0,0 +1,134 @@
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in vec3 f_normal;
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in vec2 f_coord;
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in vec4 f_pos;
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in mat3 f_tbn; //tangent matrix nietransponowany; mnożyć przez f_tbn dla TangentLightPos; TangentViewPos; TangentFragPos;
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in vec4 f_clip_pos;
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in vec4 f_clip_future_pos;
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in vec3 TangentFragPos;
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#include <common>
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layout(location = 0) out vec4 out_color;
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#if MOTIONBLUR_ENABLED
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layout(location = 1) out vec4 out_motion;
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#endif
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#param (color, 0, 0, 4, diffuse)
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#param (diffuse, 1, 0, 1, diffuse)
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#param (specular, 1, 1, 1, specular)
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#param (reflection, 1, 2, 1, one)
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#param (glossiness, 1, 3, 1, glossiness)
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#param (detail_scale, 2, 0, 1, one)
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#param (detail_height_scale, 2, 1, 1, one)
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#param (height_scale, 2, 2, 1, zero)
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#param (height_offset, 2, 3, 1, zero)
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#texture (diffuse, 0, sRGB_A)
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uniform sampler2D diffuse;
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#texture (normalmap, 1, RGBA)
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uniform sampler2D normalmap;
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#texture (detailnormalmap, 2, RGBA)
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uniform sampler2D detailnormalmap;
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#define PARALLAX
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#include <light_common.glsl>
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#include <apply_fog.glsl>
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#include <tonemapping.glsl>
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vec2 ParallaxMapping(vec2 f_coord, vec3 viewDir);
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void main()
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{
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//parallax mapping
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vec3 viewDir = normalize(-TangentFragPos); //tangent view pos - tangent frag pos
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vec2 f_coord_p = ParallaxMapping(f_coord, viewDir);
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vec4 normal_map = texture(normalmap, f_coord_p);
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vec4 detailnormal_map = texture(detailnormalmap, f_coord_p * param[2].x);
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vec4 tex_color = texture(diffuse, f_coord_p);
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bool alphatestfail = ( opacity >= 0.0 ? (tex_color.a < opacity) : (tex_color.a >= -opacity) );
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if(alphatestfail)
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discard;
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// if (tex_color.a < opacity)
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// discard;
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vec3 fragcolor = ambient;
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vec3 normal;
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vec3 normaldetail;
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normaldetail.xy = detailnormal_map.rg* 2.0 - 1.0;
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normaldetail.z = sqrt(1.0 - clamp((dot(normaldetail.xy, normaldetail.xy)), 0.0, 1.0));
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normaldetail.xyz = normaldetail.xyz * param[2].y;
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normal.xy = normal_map.rg* 2.0 - 1.0;
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normal.z = sqrt(1.0 - clamp((dot(normal.xy, normal.xy)), 0.0, 1.0));
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vec3 fragnormal = normalize(f_tbn * normalize(vec3(normal.xy + normaldetail.xy, normal.z)));
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float reflectivity = param[1].z * normal_map.a;
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float specularity = (tex_color.r + tex_color.g + tex_color.b) * 0.5;
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fragcolor = apply_lights(fragcolor, fragnormal, tex_color.rgb, reflectivity, specularity, shadow_tone);
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vec4 color = vec4(apply_fog(fragcolor), tex_color.a * alpha_mult);
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#if POSTFX_ENABLED
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out_color = color;
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#else
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out_color = tonemap(color);
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#endif
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#if MOTIONBLUR_ENABLED
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{
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vec2 a = (f_clip_future_pos.xy / f_clip_future_pos.w) * 0.5 + 0.5;;
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vec2 b = (f_clip_pos.xy / f_clip_pos.w) * 0.5 + 0.5;;
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out_motion = vec4(a - b, 0.0f, 0.0f);
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}
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#endif
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}
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vec2 ParallaxMapping(vec2 f_coord, vec3 viewDir)
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{
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float pos_len = length(f_pos.xyz);
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if (pos_len > 100.0) {
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return f_coord;
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}
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#if EXTRAEFFECTS_ENABLED
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const float minLayers = 8.0;
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const float maxLayers = 32.0;
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float LayersWeight = pos_len / 20.0;
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vec2 currentTexCoords = f_coord;
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float currentDepthMapValue = texture(normalmap, currentTexCoords).b;
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LayersWeight = min(abs(dot(vec3(0.0, 0.0, 1.0), viewDir)),LayersWeight);
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float numLayers = mix(maxLayers, minLayers, clamp(LayersWeight, 0.0, 1.0)); // number of depth layers
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float layerDepth = 1.0 / numLayers; // calculate the size of each layer
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float currentLayerDepth = 0.0; // depth of current layer
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vec2 P = viewDir.xy * param[2].z; // the amount to shift the texture coordinates per layer (from vector P)
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vec2 deltaTexCoords = P / numLayers;
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while(currentLayerDepth < currentDepthMapValue)
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{
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currentTexCoords -= deltaTexCoords; // shift texture coordinates along direction of P
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currentDepthMapValue = texture(normalmap, currentTexCoords).b; // get depthmap value at current texture coordinates
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currentLayerDepth += layerDepth; // get depth of next layer
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}
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vec2 prevTexCoords = currentTexCoords + deltaTexCoords; // get texture coordinates before collision (reverse operations)
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float afterDepth = currentDepthMapValue - currentLayerDepth; // get depth after and before collision for linear interpolation
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float beforeDepth = texture(normalmap, prevTexCoords).b - currentLayerDepth + layerDepth;
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float weight = afterDepth / (afterDepth - beforeDepth); // interpolation of texture coordinates
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vec2 finalTexCoords = prevTexCoords * weight + currentTexCoords * (1.0 - weight);
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return finalTexCoords;
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#else
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float height = texture(normalmap, f_coord).b;
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vec2 p = viewDir.xy / viewDir.z * (height * (param[2].z - param[2].w) * 0.2);
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return f_coord - p;
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#endif
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}
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141
shaders/mat_detail_parallax_specgloss.frag
Normal file
141
shaders/mat_detail_parallax_specgloss.frag
Normal file
@@ -0,0 +1,141 @@
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in vec3 f_normal;
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in vec2 f_coord;
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in vec4 f_pos;
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in mat3 f_tbn; //tangent matrix nietransponowany; mnożyć przez f_tbn dla TangentLightPos; TangentViewPos; TangentFragPos;
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in vec4 f_clip_pos;
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in vec4 f_clip_future_pos;
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in vec3 TangentFragPos;
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#include <common>
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layout(location = 0) out vec4 out_color;
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#if MOTIONBLUR_ENABLED
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layout(location = 1) out vec4 out_motion;
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#endif
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#param (color, 0, 0, 4, diffuse)
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#param (diffuse, 1, 0, 1, diffuse)
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#param (specular, 1, 1, 1, specular)
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#param (reflection, 1, 2, 1, one)
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#param (glossiness, 1, 3, 1, glossiness)
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#param (detail_scale, 2, 0, 1, one)
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#param (detail_height_scale, 2, 1, 1, one)
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#param (height_scale, 2, 2, 1, zero)
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#param (height_offset, 2, 3, 1, zero)
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#texture (diffuse, 0, sRGB_A)
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uniform sampler2D diffuse;
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#texture (normalmap, 1, RGBA)
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uniform sampler2D normalmap;
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#texture (specgloss, 2, RGBA)
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uniform sampler2D specgloss;
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#texture (detailnormalmap, 3, RGBA)
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uniform sampler2D detailnormalmap;
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#define PARALLAX
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#include <light_common.glsl>
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#include <apply_fog.glsl>
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#include <tonemapping.glsl>
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vec2 ParallaxMapping(vec2 f_coord, vec3 viewDir);
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void main()
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{
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//parallax mapping
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vec3 viewDir = normalize(vec3(0.0f, 0.0f, 0.0f) - TangentFragPos); //tangent view pos - tangent frag pos
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vec2 f_coord_p = ParallaxMapping(f_coord, viewDir);
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vec4 normal_map = texture(normalmap, f_coord_p);
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vec4 detailnormal_map = texture(detailnormalmap, f_coord_p * param[2].x);
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vec4 tex_color = texture(diffuse, f_coord_p);
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vec4 specgloss_map = texture(specgloss, f_coord_p);
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bool alphatestfail = ( opacity >= 0.0 ? (tex_color.a < opacity) : (tex_color.a >= -opacity) );
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if(alphatestfail)
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discard;
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vec3 fragcolor = ambient;
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vec3 normal;
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vec3 normaldetail;
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normaldetail.xy = detailnormal_map.rg* 2.0 - 1.0;
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normaldetail.z = sqrt(1.0 - clamp((dot(normaldetail.xy, normaldetail.xy)), 0.0, 1.0));
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normaldetail.xyz = normaldetail.xyz * param[2].y;
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normal.xy = normal_map.rg* 2.0 - 1.0;
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normal.z = sqrt(1.0 - clamp((dot(normal.xy, normal.xy)), 0.0, 1.0));
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vec3 fragnormal = normalize(f_tbn * normalize(vec3(normal.xy + normaldetail.xy, normal.z)));
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float reflectivity = param[1].z * normal_map.a;
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float specularity = specgloss_map.r;
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glossiness = specgloss_map.g * abs(param[1].w);
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metalic = (specgloss_map.b > 0.5) ? true : false;
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fragcolor = apply_lights(fragcolor, fragnormal, tex_color.rgb, reflectivity, specularity, shadow_tone);
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vec4 color = vec4(apply_fog(fragcolor), tex_color.a * alpha_mult);
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#if POSTFX_ENABLED
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out_color = color;
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#else
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out_color = tonemap(color);
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#endif
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#if MOTIONBLUR_ENABLED
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{
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vec2 a = (f_clip_future_pos.xy / f_clip_future_pos.w) * 0.5 + 0.5;;
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vec2 b = (f_clip_pos.xy / f_clip_pos.w) * 0.5 + 0.5;;
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out_motion = vec4(a - b, 0.0f, 0.0f);
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}
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#endif
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}
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vec2 ParallaxMapping(vec2 f_coord, vec3 viewDir)
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{
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float pos_len = length(f_pos.xyz);
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if (pos_len > 100.0) {
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return f_coord;
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}
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#if EXTRAEFFECTS_ENABLED
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||||
const float minLayers = 8.0;
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||||
const float maxLayers = 32.0;
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||||
float LayersWeight = pos_len / 20.0;
|
||||
vec2 currentTexCoords = f_coord;
|
||||
float currentDepthMapValue = texture(normalmap, currentTexCoords).b;
|
||||
LayersWeight = min(abs(dot(vec3(0.0, 0.0, 1.0), viewDir)),LayersWeight);
|
||||
float numLayers = mix(maxLayers, minLayers, clamp(LayersWeight, 0.0, 1.0)); // number of depth layers
|
||||
float layerDepth = 1.0 / numLayers; // calculate the size of each layer
|
||||
float currentLayerDepth = 0.0; // depth of current layer
|
||||
vec2 P = viewDir.xy * param[2].z; // the amount to shift the texture coordinates per layer (from vector P)
|
||||
vec2 deltaTexCoords = P / numLayers;
|
||||
|
||||
|
||||
while(currentLayerDepth < currentDepthMapValue)
|
||||
{
|
||||
currentTexCoords -= deltaTexCoords; // shift texture coordinates along direction of P
|
||||
currentDepthMapValue = texture(normalmap, currentTexCoords).b; // get depthmap value at current texture coordinates
|
||||
currentLayerDepth += layerDepth; // get depth of next layer
|
||||
}
|
||||
|
||||
vec2 prevTexCoords = currentTexCoords + deltaTexCoords; // get texture coordinates before collision (reverse operations)
|
||||
|
||||
float afterDepth = currentDepthMapValue - currentLayerDepth; // get depth after and before collision for linear interpolation
|
||||
float beforeDepth = texture(normalmap, currentTexCoords).b; - currentLayerDepth + layerDepth;
|
||||
|
||||
float weight = afterDepth / (afterDepth - beforeDepth); // interpolation of texture coordinates
|
||||
vec2 finalTexCoords = prevTexCoords * weight + currentTexCoords * (1.0 - weight);
|
||||
|
||||
return finalTexCoords;
|
||||
#else
|
||||
float height = normal_map.b;
|
||||
vec2 p = viewDir.xy / viewDir.z * (height * (param[2].z - param[2].w) * 0.2);
|
||||
return f_coord - p;
|
||||
#endif
|
||||
}
|
||||
Reference in New Issue
Block a user