93 lines
No EOL
2.7 KiB
C++
93 lines
No EOL
2.7 KiB
C++
function procedural_geom_shader(args)
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args.user_channels = args.user_channels or 3
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include "pipelines/common.glsl"
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vertex_shader([[
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layout(location = 0) in vec3 a_position;
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layout(location = 1) in vec2 a_uv;
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layout(location = 2) in vec3 a_normal;
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layout(location = 3) in vec3 a_tangent;
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#ifdef _HAS_ATTR4
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layout(location = 4) in vec]] .. tostring(args.user_channels) .. [[ a_user;
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#endif
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layout(location = 0) out vec2 v_uv;
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layout(location = 1) out vec3 v_normal;
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layout(location = 2) out vec3 v_tangent;
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layout(location = 3) out vec4 v_wpos;
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#ifdef _HAS_ATTR4
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layout(location = 4) out vec]] .. tostring(args.user_channels) .. [[ v_user;
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#endif
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layout(std140, binding = 4) uniform ModelState {
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mat4 matrix;
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} Model;
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void main() {
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#ifdef _HAS_ATTR4
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v_user = a_user;
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#endif
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v_uv = a_uv;
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mat4 model_mtx = Model.matrix;
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v_normal = mat3(model_mtx) * a_normal;
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v_tangent = mat3(model_mtx) * a_tangent;
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v_wpos = model_mtx * vec4(a_position, 1);
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gl_Position = Pass.view_projection * v_wpos;
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}
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]])
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fragment_shader([[
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layout (binding=5) uniform sampler2D u_shadowmap;
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#if !defined DEPTH && !defined DEFERRED && !defined GRASS
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layout (binding=6) uniform sampler2D u_shadow_atlas;
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layout (binding=7) uniform samplerCubeArray u_reflection_probes;
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layout (binding=8) uniform sampler2D u_depthbuffer;
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#endif
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layout(location = 0) in vec2 v_uv;
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layout(location = 1) in vec3 v_normal;
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layout(location = 2) in vec3 v_tangent;
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layout(location = 3) in vec4 v_wpos;
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#ifdef _HAS_ATTR4
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layout(location = 4) in vec]] .. tostring(args.user_channels) .. [[ v_user;
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#endif
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#ifndef DEPTH
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#if defined DEFERRED
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layout(location = 0) out vec4 o_gbuffer0;
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layout(location = 1) out vec4 o_gbuffer1;
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layout(location = 2) out vec4 o_gbuffer2;
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layout(location = 3) out vec4 o_gbuffer3;
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#else
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layout(location = 0) out vec4 o_color;
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#endif
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#endif
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Surface getSurface() {
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Surface data;
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data.wpos = v_wpos.xyz;
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data.V = normalize(-data.wpos);
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]] .. args.code .. [[
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return data;
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}
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#ifdef DEPTH
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void main() {}
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#elif defined DEFERRED || defined GRASS
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void main() {
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Surface data = getSurface();
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packSurface(data, o_gbuffer0, o_gbuffer1, o_gbuffer2, o_gbuffer2);
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}
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#else
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void main() {
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Surface data = getSurface();
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float linear_depth = dot(data.wpos.xyz, Pass.view_dir.xyz);
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Cluster cluster = getClusterLinearDepth(linear_depth);
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o_color.rgb = computeLighting(cluster, data, Global.light_dir.xyz, Global.light_color.rgb * Global.light_intensity, u_shadowmap, u_shadow_atlas, u_reflection_probes);
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o_color.a = data.alpha;
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}
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#endif
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]])
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end |