diff options
Diffstat (limited to 'servers/rendering/rasterizer_rd/shaders')
6 files changed, 585 insertions, 9 deletions
diff --git a/servers/rendering/rasterizer_rd/shaders/SCsub b/servers/rendering/rasterizer_rd/shaders/SCsub index 3aa863be98..9d531d63ad 100644 --- a/servers/rendering/rasterizer_rd/shaders/SCsub +++ b/servers/rendering/rasterizer_rd/shaders/SCsub @@ -37,3 +37,6 @@ if "RD_GLSL" in env["BUILDERS"]: env.RD_GLSL("sdfgi_debug_probes.glsl") env.RD_GLSL("volumetric_fog.glsl") env.RD_GLSL("shadow_reduce.glsl") + env.RD_GLSL("particles.glsl") + env.RD_GLSL("particles_copy.glsl") + env.RD_GLSL("sort.glsl") diff --git a/servers/rendering/rasterizer_rd/shaders/copy.glsl b/servers/rendering/rasterizer_rd/shaders/copy.glsl index eb39c28fa9..e565bd8e3d 100644 --- a/servers/rendering/rasterizer_rd/shaders/copy.glsl +++ b/servers/rendering/rasterizer_rd/shaders/copy.glsl @@ -14,6 +14,7 @@ layout(local_size_x = 8, local_size_y = 8, local_size_z = 1) in; #define FLAG_FLIP_Y (1 << 5) #define FLAG_FORCE_LUMINANCE (1 << 6) #define FLAG_COPY_ALL_SOURCE (1 << 7) +#define FLAG_HIGH_QUALITY_GLOW (1 << 8) layout(push_constant, binding = 1, std430) uniform Params { ivec4 section; @@ -116,17 +117,42 @@ void main() { vec4 color = vec4(0.0); if (bool(params.flags & FLAG_HORIZONTAL)) { - ivec2 base_pos = (pos + params.section.xy) << 1; + ivec2 base_pos = ((pos + params.section.xy) << 1) + ivec2(1); ivec2 section_begin = params.section.xy << 1; ivec2 section_end = section_begin + (params.section.zw << 1); - GLOW_ADD(ivec2(0, 0), 0.174938); - GLOW_ADD(ivec2(1, 0), 0.165569); - GLOW_ADD(ivec2(2, 0), 0.140367); - GLOW_ADD(ivec2(3, 0), 0.106595); - GLOW_ADD(ivec2(-1, 0), 0.165569); - GLOW_ADD(ivec2(-2, 0), 0.140367); - GLOW_ADD(ivec2(-3, 0), 0.106595); + if (bool(params.flags & FLAG_HIGH_QUALITY_GLOW)) { + //Sample from two lines to capture single pixel features + GLOW_ADD(ivec2(0, 0), 0.152781); + GLOW_ADD(ivec2(1, 0), 0.144599); + GLOW_ADD(ivec2(2, 0), 0.122589); + GLOW_ADD(ivec2(3, 0), 0.093095); + GLOW_ADD(ivec2(4, 0), 0.063327); + GLOW_ADD(ivec2(-1, 0), 0.144599); + GLOW_ADD(ivec2(-2, 0), 0.122589); + GLOW_ADD(ivec2(-3, 0), 0.093095); + GLOW_ADD(ivec2(-4, 0), 0.063327); + + GLOW_ADD(ivec2(0, 1), 0.152781); + GLOW_ADD(ivec2(1, 1), 0.144599); + GLOW_ADD(ivec2(2, 1), 0.122589); + GLOW_ADD(ivec2(3, 1), 0.093095); + GLOW_ADD(ivec2(4, 1), 0.063327); + GLOW_ADD(ivec2(-1, 1), 0.144599); + GLOW_ADD(ivec2(-2, 1), 0.122589); + GLOW_ADD(ivec2(-3, 1), 0.093095); + GLOW_ADD(ivec2(-4, 1), 0.063327); + color *= 0.5; + } else { + GLOW_ADD(ivec2(0, 0), 0.174938); + GLOW_ADD(ivec2(1, 0), 0.165569); + GLOW_ADD(ivec2(2, 0), 0.140367); + GLOW_ADD(ivec2(3, 0), 0.106595); + GLOW_ADD(ivec2(-1, 0), 0.165569); + GLOW_ADD(ivec2(-2, 0), 0.140367); + GLOW_ADD(ivec2(-3, 0), 0.106595); + } + color *= params.glow_strength; } else { ivec2 base_pos = pos + params.section.xy; diff --git a/servers/rendering/rasterizer_rd/shaders/particles.glsl b/servers/rendering/rasterizer_rd/shaders/particles.glsl new file mode 100644 index 0000000000..7cdedfcbfe --- /dev/null +++ b/servers/rendering/rasterizer_rd/shaders/particles.glsl @@ -0,0 +1,262 @@ +#[compute] + +#version 450 + +VERSION_DEFINES + +layout(local_size_x = 64, local_size_y = 1, local_size_z = 1) in; + +#define SAMPLER_NEAREST_CLAMP 0 +#define SAMPLER_LINEAR_CLAMP 1 +#define SAMPLER_NEAREST_WITH_MIPMAPS_CLAMP 2 +#define SAMPLER_LINEAR_WITH_MIPMAPS_CLAMP 3 +#define SAMPLER_NEAREST_WITH_MIPMAPS_ANISOTROPIC_CLAMP 4 +#define SAMPLER_LINEAR_WITH_MIPMAPS_ANISOTROPIC_CLAMP 5 +#define SAMPLER_NEAREST_REPEAT 6 +#define SAMPLER_LINEAR_REPEAT 7 +#define SAMPLER_NEAREST_WITH_MIPMAPS_REPEAT 8 +#define SAMPLER_LINEAR_WITH_MIPMAPS_REPEAT 9 +#define SAMPLER_NEAREST_WITH_MIPMAPS_ANISOTROPIC_REPEAT 10 +#define SAMPLER_LINEAR_WITH_MIPMAPS_ANISOTROPIC_REPEAT 11 + +/* SET 0: GLOBAL DATA */ + +layout(set = 0, binding = 1) uniform sampler material_samplers[12]; + +layout(set = 0, binding = 2, std430) restrict readonly buffer GlobalVariableData { + vec4 data[]; +} +global_variables; + +/* Set 1: FRAME AND PARTICLE DATA */ + +// a frame history is kept for trail deterministic behavior +struct FrameParams { + bool emitting; + float system_phase; + float prev_system_phase; + uint cycle; + + float explosiveness; + float randomness; + float time; + float delta; + + uint random_seed; + uint pad[3]; + + mat4 emission_transform; +}; + +layout(set = 1, binding = 0, std430) restrict buffer FrameHistory { + FrameParams data[]; +} +frame_history; + +struct ParticleData { + mat4 xform; + vec3 velocity; + bool is_active; + vec4 color; + vec4 custom; +}; + +layout(set = 1, binding = 1, std430) restrict buffer Particles { + ParticleData data[]; +} +particles; + +/* SET 2: MATERIAL */ + +#ifdef USE_MATERIAL_UNIFORMS +layout(set = 2, binding = 0, std140) uniform MaterialUniforms{ + /* clang-format off */ +MATERIAL_UNIFORMS + /* clang-format on */ +} material; +#endif + +layout(push_constant, binding = 0, std430) uniform Params { + float lifetime; + bool clear; + uint total_particles; + uint trail_size; + bool use_fractional_delta; + uint pad[3]; +} +params; + +uint hash(uint x) { + x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b); + x = ((x >> uint(16)) ^ x) * uint(0x45d9f3b); + x = (x >> uint(16)) ^ x; + return x; +} + +/* clang-format off */ + +COMPUTE_SHADER_GLOBALS + +/* clang-format on */ + +void main() { + uint particle = gl_GlobalInvocationID.x; + + if (particle >= params.total_particles * params.trail_size) { + return; //discard + } + + uint index = particle / params.trail_size; + uint frame = (particle % params.trail_size); + +#define FRAME frame_history.data[frame] +#define PARTICLE particles.data[particle] + + bool apply_forces = true; + bool apply_velocity = true; + float local_delta = FRAME.delta; + + float mass = 1.0; + + 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); + + bool restart = false; + + 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; + } + +#ifdef ENABLE_KEEP_DATA + if (params.clear) { +#else + if (params.clear || restart) { +#endif + PARTICLE.color = vec4(1.0); + PARTICLE.custom = vec4(0.0); + PARTICLE.velocity = vec3(0.0); + if (!restart) { + PARTICLE.is_active = false; + } + PARTICLE.xform = mat4( + vec4(1.0, 0.0, 0.0, 0.0), + vec4(0.0, 1.0, 0.0, 0.0), + vec4(0.0, 0.0, 1.0, 0.0), + vec4(0.0, 0.0, 0.0, 1.0)); + } + + if (PARTICLE.is_active) { + /* clang-format off */ + +COMPUTE_SHADER_CODE + + /* clang-format on */ + } + +#if !defined(DISABLE_VELOCITY) + + if (PARTICLE.is_active) { + PARTICLE.xform[3].xyz += PARTICLE.velocity * local_delta; + } +#endif + +#if 0 + if (PARTICLE.is_active) { + //execute shader + + + + + //!defined(DISABLE_FORCE) + + if (false) { + vec3 force = vec3(0.0); + for (int i = 0; i < attractor_count; i++) { + vec3 rel_vec = xform[3].xyz - attractors[i].pos; + float dist = length(rel_vec); + if (attractors[i].radius < dist) + continue; + if (attractors[i].eat_radius > 0.0 && attractors[i].eat_radius > dist) { + out_velocity_active.a = 0.0; + } + + rel_vec = normalize(rel_vec); + + float attenuation = pow(dist / attractors[i].radius, attractors[i].attenuation); + + if (attractors[i].dir == vec3(0.0)) { + //towards center + force += attractors[i].strength * rel_vec * attenuation * mass; + } else { + force += attractors[i].strength * attractors[i].dir * attenuation * mass; + } + } + + out_velocity_active.xyz += force * local_delta; + } + +#if !defined(DISABLE_VELOCITY) + + if (true) { + xform[3].xyz += out_velocity_active.xyz * local_delta; + } +#endif + } else { + xform = mat4(0.0); + } + + + xform = transpose(xform); + + out_velocity_active.a = mix(0.0, 1.0, shader_active); + + out_xform_1 = xform[0]; + out_xform_2 = xform[1]; + out_xform_3 = xform[2]; +#endif +} diff --git a/servers/rendering/rasterizer_rd/shaders/particles_copy.glsl b/servers/rendering/rasterizer_rd/shaders/particles_copy.glsl new file mode 100644 index 0000000000..6c782b6045 --- /dev/null +++ b/servers/rendering/rasterizer_rd/shaders/particles_copy.glsl @@ -0,0 +1,82 @@ +#[compute] + +#version 450 + +VERSION_DEFINES + +layout(local_size_x = 64, local_size_y = 1, local_size_z = 1) in; + +struct ParticleData { + mat4 xform; + vec3 velocity; + bool is_active; + vec4 color; + vec4 custom; +}; + +layout(set = 0, binding = 1, std430) restrict readonly buffer Particles { + ParticleData data[]; +} +particles; + +layout(set = 0, binding = 2, std430) restrict writeonly buffer Transforms { + vec4 data[]; +} +instances; + +#ifdef USE_SORT_BUFFER + +layout(set = 1, binding = 0, std430) restrict buffer SortBuffer { + vec2 data[]; +} +sort_buffer; + +#endif // USE_SORT_BUFFER + +layout(push_constant, binding = 0, std430) uniform Params { + vec3 sort_direction; + uint total_particles; +} +params; + +void main() { +#ifdef MODE_FILL_SORT_BUFFER + + uint particle = gl_GlobalInvocationID.x; + if (particle >= params.total_particles) { + return; //discard + } + + sort_buffer.data[particle].x = dot(params.sort_direction, particles.data[particle].xform[3].xyz); + sort_buffer.data[particle].y = float(particle); +#endif + +#ifdef MODE_FILL_INSTANCES + + uint particle = gl_GlobalInvocationID.x; + uint write_offset = gl_GlobalInvocationID.x * (3 + 1 + 1); //xform + color + custom + + if (particle >= params.total_particles) { + return; //discard + } + +#ifdef USE_SORT_BUFFER + particle = uint(sort_buffer.data[particle].y); //use index from sort buffer +#endif + + mat4 txform; + + if (particles.data[particle].is_active) { + txform = transpose(particles.data[particle].xform); + } else { + txform = mat4(vec4(0.0), vec4(0.0), vec4(0.0), vec4(0.0)); //zero scale, becomes invisible + } + + instances.data[write_offset + 0] = txform[0]; + instances.data[write_offset + 1] = txform[1]; + instances.data[write_offset + 2] = txform[2]; + instances.data[write_offset + 3] = particles.data[particle].color; + instances.data[write_offset + 4] = particles.data[particle].custom; + +#endif +} diff --git a/servers/rendering/rasterizer_rd/shaders/sdfgi_preprocess.glsl b/servers/rendering/rasterizer_rd/shaders/sdfgi_preprocess.glsl index d7d19897e3..dd0ca5c506 100644 --- a/servers/rendering/rasterizer_rd/shaders/sdfgi_preprocess.glsl +++ b/servers/rendering/rasterizer_rd/shaders/sdfgi_preprocess.glsl @@ -338,7 +338,7 @@ void main() { continue; //was not initialized yet, ignore } - float q_dist = distance(posf, vec3(p.xyz)); + float q_dist = distance(posf, vec3(q.xyz)); if (p.w == 0 || q_dist < p_dist) { p = q; //just replace because current is unused p_dist = q_dist; diff --git a/servers/rendering/rasterizer_rd/shaders/sort.glsl b/servers/rendering/rasterizer_rd/shaders/sort.glsl new file mode 100644 index 0000000000..e5ebb9c64b --- /dev/null +++ b/servers/rendering/rasterizer_rd/shaders/sort.glsl @@ -0,0 +1,203 @@ +#[compute] + +#version 450 + +VERSION_DEFINES + +// Original version here: +// https://github.com/GPUOpen-LibrariesAndSDKs/GPUParticles11/blob/master/gpuparticles11/src/Shaders + +// +// Copyright (c) 2016 Advanced Micro Devices, Inc. All rights reserved. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. +// + +#define SORT_SIZE 512 +#define NUM_THREADS (SORT_SIZE / 2) +#define INVERSION (16 * 2 + 8 * 3) +#define ITERATIONS 1 + +layout(local_size_x = NUM_THREADS, local_size_y = 1, local_size_z = 1) in; + +#ifndef MODE_SORT_STEP + +shared vec2 g_LDS[SORT_SIZE]; + +#endif + +layout(set = 1, binding = 0, std430) restrict buffer SortBuffer { + vec2 data[]; +} +sort_buffer; + +layout(push_constant, binding = 0, std430) uniform Params { + uint total_elements; + uint pad[3]; + ivec4 job_params; +} +params; + +void main() { +#ifdef MODE_SORT_BLOCK + + uvec3 Gid = gl_WorkGroupID; + uvec3 DTid = gl_GlobalInvocationID; + uvec3 GTid = gl_LocalInvocationID; + uint GI = gl_LocalInvocationIndex; + + int GlobalBaseIndex = int((Gid.x * SORT_SIZE) + GTid.x); + int LocalBaseIndex = int(GI); + int numElementsInThreadGroup = int(min(SORT_SIZE, params.total_elements - (Gid.x * SORT_SIZE))); + + // Load shared data + + int i; + for (i = 0; i < 2 * ITERATIONS; ++i) { + if (GI + i * NUM_THREADS < numElementsInThreadGroup) + g_LDS[LocalBaseIndex + i * NUM_THREADS] = sort_buffer.data[GlobalBaseIndex + i * NUM_THREADS]; + } + + groupMemoryBarrier(); + barrier(); + + // Bitonic sort + for (int nMergeSize = 2; nMergeSize <= SORT_SIZE; nMergeSize = nMergeSize * 2) { + for (int nMergeSubSize = nMergeSize >> 1; nMergeSubSize > 0; nMergeSubSize = nMergeSubSize >> 1) { + for (i = 0; i < ITERATIONS; ++i) { + int tmp_index = int(GI + NUM_THREADS * i); + int index_low = tmp_index & (nMergeSubSize - 1); + int index_high = 2 * (tmp_index - index_low); + int index = index_high + index_low; + + int nSwapElem = nMergeSubSize == nMergeSize >> 1 ? index_high + (2 * nMergeSubSize - 1) - index_low : index_high + nMergeSubSize + index_low; + if (nSwapElem < numElementsInThreadGroup) { + vec2 a = g_LDS[index]; + vec2 b = g_LDS[nSwapElem]; + + if (a.x > b.x) { + g_LDS[index] = b; + g_LDS[nSwapElem] = a; + } + } + groupMemoryBarrier(); + barrier(); + } + } + } + + // Store shared data + for (i = 0; i < 2 * ITERATIONS; ++i) { + if (GI + i * NUM_THREADS < numElementsInThreadGroup) { + sort_buffer.data[GlobalBaseIndex + i * NUM_THREADS] = g_LDS[LocalBaseIndex + i * NUM_THREADS]; + } + } + +#endif + +#ifdef MODE_SORT_STEP + + uvec3 Gid = gl_WorkGroupID; + uvec3 GTid = gl_LocalInvocationID; + + ivec4 tgp; + + tgp.x = int(Gid.x) * 256; + tgp.y = 0; + tgp.z = int(params.total_elements); + tgp.w = min(512, max(0, tgp.z - int(Gid.x) * 512)); + + uint localID = int(tgp.x) + GTid.x; // calculate threadID within this sortable-array + + uint index_low = localID & (params.job_params.x - 1); + uint index_high = 2 * (localID - index_low); + + uint index = tgp.y + index_high + index_low; + uint nSwapElem = tgp.y + index_high + params.job_params.y + params.job_params.z * index_low; + + if (nSwapElem < tgp.y + tgp.z) { + vec2 a = sort_buffer.data[index]; + vec2 b = sort_buffer.data[nSwapElem]; + + if (a.x > b.x) { + sort_buffer.data[index] = b; + sort_buffer.data[nSwapElem] = a; + } + } + +#endif + +#ifdef MODE_SORT_INNER + + uvec3 Gid = gl_WorkGroupID; + uvec3 DTid = gl_GlobalInvocationID; + uvec3 GTid = gl_LocalInvocationID; + uint GI = gl_LocalInvocationIndex; + + ivec4 tgp; + + tgp.x = int(Gid.x * 256); + tgp.y = 0; + tgp.z = int(params.total_elements.x); + tgp.w = int(min(512, max(0, params.total_elements - Gid.x * 512))); + + int GlobalBaseIndex = int(tgp.y + tgp.x * 2 + GTid.x); + int LocalBaseIndex = int(GI); + int i; + + // Load shared data + for (i = 0; i < 2; ++i) { + if (GI + i * NUM_THREADS < tgp.w) + g_LDS[LocalBaseIndex + i * NUM_THREADS] = sort_buffer.data[GlobalBaseIndex + i * NUM_THREADS]; + } + + groupMemoryBarrier(); + barrier(); + + // sort threadgroup shared memory + for (int nMergeSubSize = SORT_SIZE >> 1; nMergeSubSize > 0; nMergeSubSize = nMergeSubSize >> 1) { + int tmp_index = int(GI); + int index_low = tmp_index & (nMergeSubSize - 1); + int index_high = 2 * (tmp_index - index_low); + int index = index_high + index_low; + + int nSwapElem = index_high + nMergeSubSize + index_low; + + if (nSwapElem < tgp.w) { + vec2 a = g_LDS[index]; + vec2 b = g_LDS[nSwapElem]; + + if (a.x > b.x) { + g_LDS[index] = b; + g_LDS[nSwapElem] = a; + } + } + groupMemoryBarrier(); + barrier(); + } + + // Store shared data + for (i = 0; i < 2; ++i) { + if (GI + i * NUM_THREADS < tgp.w) { + sort_buffer.data[GlobalBaseIndex + i * NUM_THREADS] = g_LDS[LocalBaseIndex + i * NUM_THREADS]; + } + } + +#endif +} |