diff options
Diffstat (limited to 'servers/rendering/renderer_rd/shaders/particles.glsl')
-rw-r--r-- | servers/rendering/renderer_rd/shaders/particles.glsl | 236 |
1 files changed, 116 insertions, 120 deletions
diff --git a/servers/rendering/renderer_rd/shaders/particles.glsl b/servers/rendering/renderer_rd/shaders/particles.glsl index cb6d8dc7f6..3712220dc4 100644 --- a/servers/rendering/renderer_rd/shaders/particles.glsl +++ b/servers/rendering/renderer_rd/shaders/particles.glsl @@ -2,7 +2,7 @@ #version 450 -VERSION_DEFINES +#VERSION_DEFINES layout(local_size_x = 64, local_size_y = 1, local_size_z = 1) in; @@ -146,11 +146,11 @@ layout(set = 2, binding = 1) uniform texture2D height_field_texture; /* SET 3: MATERIAL */ -#ifdef USE_MATERIAL_UNIFORMS +#ifdef MATERIAL_UNIFORMS_USED layout(set = 3, binding = 0, std140) uniform MaterialUniforms{ - /* clang-format off */ -MATERIAL_UNIFORMS - /* clang-format on */ + +#MATERIAL_UNIFORMS + } material; #endif @@ -196,11 +196,7 @@ bool emit_subparticle(mat4 p_xform, vec3 p_velocity, vec4 p_color, vec4 p_custom return true; } -/* clang-format off */ - -COMPUTE_SHADER_GLOBALS - -/* clang-format on */ +#GLOBALS void main() { uint particle = gl_GlobalInvocationID.x; @@ -256,6 +252,115 @@ void main() { /* Process physics if active */ + if (params.sub_emitter_mode) { + if (!PARTICLE.is_active) { + int src_index = atomicAdd(src_particles.particle_count, -1) - 1; + + if (src_index >= 0) { + PARTICLE.is_active = true; + restart = true; + + if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_POSITION)) { + PARTICLE.xform[3] = src_particles.data[src_index].xform[3]; + } else { + PARTICLE.xform[3] = vec4(0, 0, 0, 1); + restart_position = true; + } + if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_ROTATION_SCALE)) { + PARTICLE.xform[0] = src_particles.data[src_index].xform[0]; + PARTICLE.xform[1] = src_particles.data[src_index].xform[1]; + PARTICLE.xform[2] = src_particles.data[src_index].xform[2]; + } else { + PARTICLE.xform[0] = vec4(1, 0, 0, 0); + PARTICLE.xform[1] = vec4(0, 1, 0, 0); + PARTICLE.xform[2] = vec4(0, 0, 1, 0); + restart_rotation_scale = true; + } + if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_VELOCITY)) { + PARTICLE.velocity = src_particles.data[src_index].velocity; + } else { + PARTICLE.velocity = vec3(0); + restart_velocity = true; + } + if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_COLOR)) { + PARTICLE.color = src_particles.data[src_index].color; + } else { + PARTICLE.color = vec4(1); + restart_color = true; + } + + if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_CUSTOM)) { + PARTICLE.custom = src_particles.data[src_index].custom; + } else { + PARTICLE.custom = vec4(0); + restart_custom = true; + } + } + } + + } else if (FRAME.emitting) { + float restart_phase = float(index) / float(params.total_particles); + + if (FRAME.randomness > 0.0) { + uint seed = FRAME.cycle; + if (restart_phase >= FRAME.system_phase) { + seed -= uint(1); + } + seed *= uint(params.total_particles); + seed += uint(index); + float random = float(hash(seed) % uint(65536)) / 65536.0; + restart_phase += FRAME.randomness * random * 1.0 / float(params.total_particles); + } + + restart_phase *= (1.0 - FRAME.explosiveness); + + if (FRAME.system_phase > FRAME.prev_system_phase) { + // restart_phase >= prev_system_phase is used so particles emit in the first frame they are processed + + if (restart_phase >= FRAME.prev_system_phase && restart_phase < FRAME.system_phase) { + restart = true; + if (params.use_fractional_delta) { + local_delta = (FRAME.system_phase - restart_phase) * params.lifetime; + } + } + + } else if (FRAME.delta > 0.0) { + if (restart_phase >= FRAME.prev_system_phase) { + restart = true; + if (params.use_fractional_delta) { + local_delta = (1.0 - restart_phase + FRAME.system_phase) * params.lifetime; + } + + } else if (restart_phase < FRAME.system_phase) { + restart = true; + if (params.use_fractional_delta) { + local_delta = (FRAME.system_phase - restart_phase) * params.lifetime; + } + } + } + + uint current_cycle = FRAME.cycle; + + if (FRAME.system_phase < restart_phase) { + current_cycle -= uint(1); + } + + uint particle_number = current_cycle * uint(params.total_particles) + particle; + + if (restart) { + PARTICLE.is_active = FRAME.emitting; + restart_position = true; + restart_rotation_scale = true; + restart_velocity = true; + restart_color = true; + restart_custom = true; + } + } + + if (restart && PARTICLE.is_active) { +#CODE : START + } + if (PARTICLE.is_active) { for (uint i = 0; i < FRAME.attractor_count; i++) { vec3 dir; @@ -434,116 +539,7 @@ void main() { } } - if (params.sub_emitter_mode) { - if (!PARTICLE.is_active) { - int src_index = atomicAdd(src_particles.particle_count, -1) - 1; - - if (src_index >= 0) { - PARTICLE.is_active = true; - restart = true; - - if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_POSITION)) { - PARTICLE.xform[3] = src_particles.data[src_index].xform[3]; - } else { - PARTICLE.xform[3] = vec4(0, 0, 0, 1); - restart_position = true; - } - if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_ROTATION_SCALE)) { - PARTICLE.xform[0] = src_particles.data[src_index].xform[0]; - PARTICLE.xform[1] = src_particles.data[src_index].xform[1]; - PARTICLE.xform[2] = src_particles.data[src_index].xform[2]; - } else { - PARTICLE.xform[0] = vec4(1, 0, 0, 0); - PARTICLE.xform[1] = vec4(0, 1, 0, 0); - PARTICLE.xform[2] = vec4(0, 0, 1, 0); - restart_rotation_scale = true; - } - if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_VELOCITY)) { - PARTICLE.velocity = src_particles.data[src_index].velocity; - } else { - PARTICLE.velocity = vec3(0); - restart_velocity = true; - } - if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_COLOR)) { - PARTICLE.color = src_particles.data[src_index].color; - } else { - PARTICLE.color = vec4(1); - restart_color = true; - } - - if (bool(src_particles.data[src_index].flags & EMISSION_FLAG_HAS_CUSTOM)) { - PARTICLE.custom = src_particles.data[src_index].custom; - } else { - PARTICLE.custom = vec4(0); - restart_custom = true; - } - } - } - - } else if (FRAME.emitting) { - float restart_phase = float(index) / float(params.total_particles); - - if (FRAME.randomness > 0.0) { - uint seed = FRAME.cycle; - if (restart_phase >= FRAME.system_phase) { - seed -= uint(1); - } - seed *= uint(params.total_particles); - seed += uint(index); - float random = float(hash(seed) % uint(65536)) / 65536.0; - restart_phase += FRAME.randomness * random * 1.0 / float(params.total_particles); - } - - restart_phase *= (1.0 - FRAME.explosiveness); - - if (FRAME.system_phase > FRAME.prev_system_phase) { - // restart_phase >= prev_system_phase is used so particles emit in the first frame they are processed - - if (restart_phase >= FRAME.prev_system_phase && restart_phase < FRAME.system_phase) { - restart = true; - if (params.use_fractional_delta) { - local_delta = (FRAME.system_phase - restart_phase) * params.lifetime; - } - } - - } else if (FRAME.delta > 0.0) { - if (restart_phase >= FRAME.prev_system_phase) { - restart = true; - if (params.use_fractional_delta) { - local_delta = (1.0 - restart_phase + FRAME.system_phase) * params.lifetime; - } - - } else if (restart_phase < FRAME.system_phase) { - restart = true; - if (params.use_fractional_delta) { - local_delta = (FRAME.system_phase - restart_phase) * params.lifetime; - } - } - } - - uint current_cycle = FRAME.cycle; - - if (FRAME.system_phase < restart_phase) { - current_cycle -= uint(1); - } - - uint particle_number = current_cycle * uint(params.total_particles) + particle; - - if (restart) { - PARTICLE.is_active = FRAME.emitting; - restart_position = true; - restart_rotation_scale = true; - restart_velocity = true; - restart_color = true; - restart_custom = true; - } - } - if (PARTICLE.is_active) { - /* clang-format off */ - -COMPUTE_SHADER_CODE - - /* clang-format on */ +#CODE : PROCESS } } |