diff options
Diffstat (limited to 'servers/rendering/renderer_rd/effects_rd.cpp')
-rw-r--r-- | servers/rendering/renderer_rd/effects_rd.cpp | 380 |
1 files changed, 380 insertions, 0 deletions
diff --git a/servers/rendering/renderer_rd/effects_rd.cpp b/servers/rendering/renderer_rd/effects_rd.cpp new file mode 100644 index 0000000000..b03415f2e3 --- /dev/null +++ b/servers/rendering/renderer_rd/effects_rd.cpp @@ -0,0 +1,380 @@ +/*************************************************************************/ +/* effects_rd.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* 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. */ +/*************************************************************************/ + +#include "effects_rd.h" + +#include "core/config/project_settings.h" +#include "core/math/math_defs.h" +#include "core/os/os.h" + +#include "servers/rendering/renderer_rd/renderer_compositor_rd.h" +#include "thirdparty/misc/cubemap_coeffs.h" + +bool EffectsRD::get_prefer_raster_effects() { + return prefer_raster_effects; +} + +RID EffectsRD::_get_uniform_set_from_image(RID p_image) { + if (image_to_uniform_set_cache.has(p_image)) { + RID uniform_set = image_to_uniform_set_cache[p_image]; + if (RD::get_singleton()->uniform_set_is_valid(uniform_set)) { + return uniform_set; + } + } + Vector<RD::Uniform> uniforms; + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_IMAGE; + u.binding = 0; + u.append_id(p_image); + uniforms.push_back(u); + //any thing with the same configuration (one texture in binding 0 for set 0), is good + RID uniform_set = RD::get_singleton()->uniform_set_create(uniforms, luminance_reduce.shader.version_get_shader(luminance_reduce.shader_version, 0), 1); + + image_to_uniform_set_cache[p_image] = uniform_set; + + return uniform_set; +} + +RID EffectsRD::_get_uniform_set_from_texture(RID p_texture, bool p_use_mipmaps) { + if (texture_to_uniform_set_cache.has(p_texture)) { + RID uniform_set = texture_to_uniform_set_cache[p_texture]; + if (RD::get_singleton()->uniform_set_is_valid(uniform_set)) { + return uniform_set; + } + } + + Vector<RD::Uniform> uniforms; + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE; + u.binding = 0; + u.append_id(p_use_mipmaps ? default_mipmap_sampler : default_sampler); + u.append_id(p_texture); + uniforms.push_back(u); + // anything with the same configuration (one texture in binding 0 for set 0), is good + RID uniform_set = RD::get_singleton()->uniform_set_create(uniforms, luminance_reduce_raster.shader.version_get_shader(luminance_reduce_raster.shader_version, 0), 0); + + texture_to_uniform_set_cache[p_texture] = uniform_set; + + return uniform_set; +} + +RID EffectsRD::_get_compute_uniform_set_from_texture(RID p_texture, bool p_use_mipmaps) { + if (texture_to_compute_uniform_set_cache.has(p_texture)) { + RID uniform_set = texture_to_compute_uniform_set_cache[p_texture]; + if (RD::get_singleton()->uniform_set_is_valid(uniform_set)) { + return uniform_set; + } + } + + Vector<RD::Uniform> uniforms; + RD::Uniform u; + u.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE; + u.binding = 0; + u.append_id(p_use_mipmaps ? default_mipmap_sampler : default_sampler); + u.append_id(p_texture); + uniforms.push_back(u); + //any thing with the same configuration (one texture in binding 0 for set 0), is good + RID uniform_set = RD::get_singleton()->uniform_set_create(uniforms, luminance_reduce.shader.version_get_shader(luminance_reduce.shader_version, 0), 0); + + texture_to_compute_uniform_set_cache[p_texture] = uniform_set; + + return uniform_set; +} + +void EffectsRD::luminance_reduction(RID p_source_texture, const Size2i p_source_size, const Vector<RID> p_reduce, RID p_prev_luminance, float p_min_luminance, float p_max_luminance, float p_adjust, bool p_set) { + ERR_FAIL_COND_MSG(prefer_raster_effects, "Can't use compute version of luminance reduction with the mobile renderer."); + + luminance_reduce.push_constant.source_size[0] = p_source_size.x; + luminance_reduce.push_constant.source_size[1] = p_source_size.y; + luminance_reduce.push_constant.max_luminance = p_max_luminance; + luminance_reduce.push_constant.min_luminance = p_min_luminance; + luminance_reduce.push_constant.exposure_adjust = p_adjust; + + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + + for (int i = 0; i < p_reduce.size(); i++) { + if (i == 0) { + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, luminance_reduce.pipelines[LUMINANCE_REDUCE_READ]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_texture(p_source_texture), 0); + } else { + RD::get_singleton()->compute_list_add_barrier(compute_list); //needs barrier, wait until previous is done + + if (i == p_reduce.size() - 1 && !p_set) { + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, luminance_reduce.pipelines[LUMINANCE_REDUCE_WRITE]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_texture(p_prev_luminance), 2); + } else { + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, luminance_reduce.pipelines[LUMINANCE_REDUCE]); + } + + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_reduce[i - 1]), 0); + } + + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_reduce[i]), 1); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &luminance_reduce.push_constant, sizeof(LuminanceReducePushConstant)); + + RD::get_singleton()->compute_list_dispatch_threads(compute_list, luminance_reduce.push_constant.source_size[0], luminance_reduce.push_constant.source_size[1], 1); + + luminance_reduce.push_constant.source_size[0] = MAX(luminance_reduce.push_constant.source_size[0] / 8, 1); + luminance_reduce.push_constant.source_size[1] = MAX(luminance_reduce.push_constant.source_size[1] / 8, 1); + } + + RD::get_singleton()->compute_list_end(); +} + +void EffectsRD::luminance_reduction_raster(RID p_source_texture, const Size2i p_source_size, const Vector<RID> p_reduce, Vector<RID> p_fb, RID p_prev_luminance, float p_min_luminance, float p_max_luminance, float p_adjust, bool p_set) { + ERR_FAIL_COND_MSG(!prefer_raster_effects, "Can't use raster version of luminance reduction with the clustered renderer."); + ERR_FAIL_COND_MSG(p_reduce.size() != p_fb.size(), "Incorrect frame buffer account for luminance reduction."); + + luminance_reduce_raster.push_constant.max_luminance = p_max_luminance; + luminance_reduce_raster.push_constant.min_luminance = p_min_luminance; + luminance_reduce_raster.push_constant.exposure_adjust = p_adjust; + + for (int i = 0; i < p_reduce.size(); i++) { + luminance_reduce_raster.push_constant.source_size[0] = i == 0 ? p_source_size.x : luminance_reduce_raster.push_constant.dest_size[0]; + luminance_reduce_raster.push_constant.source_size[1] = i == 0 ? p_source_size.y : luminance_reduce_raster.push_constant.dest_size[1]; + luminance_reduce_raster.push_constant.dest_size[0] = MAX(luminance_reduce_raster.push_constant.source_size[0] / 8, 1); + luminance_reduce_raster.push_constant.dest_size[1] = MAX(luminance_reduce_raster.push_constant.source_size[1] / 8, 1); + + bool final = !p_set && (luminance_reduce_raster.push_constant.dest_size[0] == 1) && (luminance_reduce_raster.push_constant.dest_size[1] == 1); + LuminanceReduceRasterMode mode = final ? LUMINANCE_REDUCE_FRAGMENT_FINAL : (i == 0 ? LUMINANCE_REDUCE_FRAGMENT_FIRST : LUMINANCE_REDUCE_FRAGMENT); + + RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin(p_fb[i], RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_READ, RD::INITIAL_ACTION_KEEP, RD::FINAL_ACTION_DISCARD); + RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, luminance_reduce_raster.pipelines[mode].get_render_pipeline(RD::INVALID_ID, RD::get_singleton()->framebuffer_get_format(p_fb[i]))); + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, _get_uniform_set_from_texture(i == 0 ? p_source_texture : p_reduce[i - 1]), 0); + if (final) { + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, _get_uniform_set_from_texture(p_prev_luminance), 1); + } + RD::get_singleton()->draw_list_bind_index_array(draw_list, index_array); + + RD::get_singleton()->draw_list_set_push_constant(draw_list, &luminance_reduce_raster.push_constant, sizeof(LuminanceReduceRasterPushConstant)); + + RD::get_singleton()->draw_list_draw(draw_list, true); + RD::get_singleton()->draw_list_end(); + } +} + +void EffectsRD::roughness_limit(RID p_source_normal, RID p_roughness, const Size2i &p_size, float p_curve) { + roughness_limiter.push_constant.screen_size[0] = p_size.x; + roughness_limiter.push_constant.screen_size[1] = p_size.y; + roughness_limiter.push_constant.curve = p_curve; + + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, roughness_limiter.pipeline); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_compute_uniform_set_from_texture(p_source_normal), 0); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, _get_uniform_set_from_image(p_roughness), 1); + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &roughness_limiter.push_constant, sizeof(RoughnessLimiterPushConstant)); //not used but set anyway + + RD::get_singleton()->compute_list_dispatch_threads(compute_list, p_size.x, p_size.y, 1); + + RD::get_singleton()->compute_list_end(); +} + +void EffectsRD::sort_buffer(RID p_uniform_set, int p_size) { + Sort::PushConstant push_constant; + push_constant.total_elements = p_size; + + bool done = true; + + int numThreadGroups = ((p_size - 1) >> 9) + 1; + + if (numThreadGroups > 1) { + done = false; + } + + RD::ComputeListID compute_list = RD::get_singleton()->compute_list_begin(); + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, sort.pipelines[SORT_MODE_BLOCK]); + RD::get_singleton()->compute_list_bind_uniform_set(compute_list, p_uniform_set, 1); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(Sort::PushConstant)); + RD::get_singleton()->compute_list_dispatch(compute_list, numThreadGroups, 1, 1); + + int presorted = 512; + + while (!done) { + RD::get_singleton()->compute_list_add_barrier(compute_list); + + done = true; + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, sort.pipelines[SORT_MODE_STEP]); + + numThreadGroups = 0; + + if (p_size > presorted) { + if (p_size > presorted * 2) { + done = false; + } + + int pow2 = presorted; + while (pow2 < p_size) { + pow2 *= 2; + } + numThreadGroups = pow2 >> 9; + } + + unsigned int nMergeSize = presorted * 2; + + for (unsigned int nMergeSubSize = nMergeSize >> 1; nMergeSubSize > 256; nMergeSubSize = nMergeSubSize >> 1) { + push_constant.job_params[0] = nMergeSubSize; + if (nMergeSubSize == nMergeSize >> 1) { + push_constant.job_params[1] = (2 * nMergeSubSize - 1); + push_constant.job_params[2] = -1; + } else { + push_constant.job_params[1] = nMergeSubSize; + push_constant.job_params[2] = 1; + } + push_constant.job_params[3] = 0; + + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(Sort::PushConstant)); + RD::get_singleton()->compute_list_dispatch(compute_list, numThreadGroups, 1, 1); + RD::get_singleton()->compute_list_add_barrier(compute_list); + } + + RD::get_singleton()->compute_list_bind_compute_pipeline(compute_list, sort.pipelines[SORT_MODE_INNER]); + RD::get_singleton()->compute_list_set_push_constant(compute_list, &push_constant, sizeof(Sort::PushConstant)); + RD::get_singleton()->compute_list_dispatch(compute_list, numThreadGroups, 1, 1); + + presorted *= 2; + } + + RD::get_singleton()->compute_list_end(); +} + +EffectsRD::EffectsRD(bool p_prefer_raster_effects) { + prefer_raster_effects = p_prefer_raster_effects; + + if (prefer_raster_effects) { + Vector<String> luminance_reduce_modes; + luminance_reduce_modes.push_back("\n#define FIRST_PASS\n"); // LUMINANCE_REDUCE_FRAGMENT_FIRST + luminance_reduce_modes.push_back("\n"); // LUMINANCE_REDUCE_FRAGMENT + luminance_reduce_modes.push_back("\n#define FINAL_PASS\n"); // LUMINANCE_REDUCE_FRAGMENT_FINAL + + luminance_reduce_raster.shader.initialize(luminance_reduce_modes); + memset(&luminance_reduce_raster.push_constant, 0, sizeof(LuminanceReduceRasterPushConstant)); + luminance_reduce_raster.shader_version = luminance_reduce_raster.shader.version_create(); + + for (int i = 0; i < LUMINANCE_REDUCE_FRAGMENT_MAX; i++) { + luminance_reduce_raster.pipelines[i].setup(luminance_reduce_raster.shader.version_get_shader(luminance_reduce_raster.shader_version, i), RD::RENDER_PRIMITIVE_TRIANGLES, RD::PipelineRasterizationState(), RD::PipelineMultisampleState(), RD::PipelineDepthStencilState(), RD::PipelineColorBlendState::create_disabled(), 0); + } + } else { + // Initialize luminance_reduce + Vector<String> luminance_reduce_modes; + luminance_reduce_modes.push_back("\n#define READ_TEXTURE\n"); + luminance_reduce_modes.push_back("\n"); + luminance_reduce_modes.push_back("\n#define WRITE_LUMINANCE\n"); + + luminance_reduce.shader.initialize(luminance_reduce_modes); + + luminance_reduce.shader_version = luminance_reduce.shader.version_create(); + + for (int i = 0; i < LUMINANCE_REDUCE_MAX; i++) { + luminance_reduce.pipelines[i] = RD::get_singleton()->compute_pipeline_create(luminance_reduce.shader.version_get_shader(luminance_reduce.shader_version, i)); + } + + for (int i = 0; i < LUMINANCE_REDUCE_FRAGMENT_MAX; i++) { + luminance_reduce_raster.pipelines[i].clear(); + } + } + + if (!prefer_raster_effects) { + // Initialize roughness limiter + Vector<String> shader_modes; + shader_modes.push_back(""); + + roughness_limiter.shader.initialize(shader_modes); + + roughness_limiter.shader_version = roughness_limiter.shader.version_create(); + + roughness_limiter.pipeline = RD::get_singleton()->compute_pipeline_create(roughness_limiter.shader.version_get_shader(roughness_limiter.shader_version, 0)); + } + + { + Vector<String> sort_modes; + sort_modes.push_back("\n#define MODE_SORT_BLOCK\n"); + sort_modes.push_back("\n#define MODE_SORT_STEP\n"); + sort_modes.push_back("\n#define MODE_SORT_INNER\n"); + + sort.shader.initialize(sort_modes); + + sort.shader_version = sort.shader.version_create(); + + for (int i = 0; i < SORT_MODE_MAX; i++) { + sort.pipelines[i] = RD::get_singleton()->compute_pipeline_create(sort.shader.version_get_shader(sort.shader_version, i)); + } + } + + RD::SamplerState sampler; + sampler.mag_filter = RD::SAMPLER_FILTER_LINEAR; + sampler.min_filter = RD::SAMPLER_FILTER_LINEAR; + sampler.max_lod = 0; + + default_sampler = RD::get_singleton()->sampler_create(sampler); + RD::get_singleton()->set_resource_name(default_sampler, "Default Linear Sampler"); + + sampler.min_filter = RD::SAMPLER_FILTER_LINEAR; + sampler.mip_filter = RD::SAMPLER_FILTER_LINEAR; + sampler.max_lod = 1e20; + + default_mipmap_sampler = RD::get_singleton()->sampler_create(sampler); + RD::get_singleton()->set_resource_name(default_mipmap_sampler, "Default MipMap Sampler"); + + { //create index array for copy shaders + Vector<uint8_t> pv; + pv.resize(6 * 4); + { + uint8_t *w = pv.ptrw(); + int *p32 = (int *)w; + p32[0] = 0; + p32[1] = 1; + p32[2] = 2; + p32[3] = 0; + p32[4] = 2; + p32[5] = 3; + } + index_buffer = RD::get_singleton()->index_buffer_create(6, RenderingDevice::INDEX_BUFFER_FORMAT_UINT32, pv); + index_array = RD::get_singleton()->index_array_create(index_buffer, 0, 6); + } +} + +EffectsRD::~EffectsRD() { + RD::get_singleton()->free(default_sampler); + RD::get_singleton()->free(default_mipmap_sampler); + RD::get_singleton()->free(index_buffer); //array gets freed as dependency + + if (prefer_raster_effects) { + luminance_reduce_raster.shader.version_free(luminance_reduce_raster.shader_version); + } else { + luminance_reduce.shader.version_free(luminance_reduce.shader_version); + } + if (!prefer_raster_effects) { + roughness_limiter.shader.version_free(roughness_limiter.shader_version); + } + sort.shader.version_free(sort.shader_version); +} |