57eb762bae
This is needed to allow 2D to fully make use of 3D effects (e.g. glow), and can be used to substantially improve quality of 2D rendering at the cost of performance Additionally, the 2D rendering pipeline is done in linear space (we skip linear_to_srgb conversion in 3D tonemapping) so the entire Viewport can be kept linear. This is necessary for proper HDR screen support in the future.
330 lines
14 KiB
C++
330 lines
14 KiB
C++
/**************************************************************************/
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/* renderer_compositor_rd.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "renderer_compositor_rd.h"
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#include "core/config/project_settings.h"
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#include "core/io/dir_access.h"
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void RendererCompositorRD::prepare_for_blitting_render_targets() {
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RD::get_singleton()->prepare_screen_for_drawing();
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}
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void RendererCompositorRD::blit_render_targets_to_screen(DisplayServer::WindowID p_screen, const BlitToScreen *p_render_targets, int p_amount) {
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RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin_for_screen(p_screen);
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if (draw_list == RD::INVALID_ID) {
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return; // Window is minimized and does not have valid swapchain, skip drawing without printing errors.
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}
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for (int i = 0; i < p_amount; i++) {
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RID rd_texture = texture_storage->render_target_get_rd_texture(p_render_targets[i].render_target);
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ERR_CONTINUE(rd_texture.is_null());
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if (!render_target_descriptors.has(rd_texture) || !RD::get_singleton()->uniform_set_is_valid(render_target_descriptors[rd_texture])) {
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Vector<RD::Uniform> uniforms;
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RD::Uniform u;
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u.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE;
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u.binding = 0;
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u.append_id(blit.sampler);
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u.append_id(rd_texture);
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uniforms.push_back(u);
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RID uniform_set = RD::get_singleton()->uniform_set_create(uniforms, blit.shader.version_get_shader(blit.shader_version, BLIT_MODE_NORMAL), 0);
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render_target_descriptors[rd_texture] = uniform_set;
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}
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Size2 screen_size(RD::get_singleton()->screen_get_width(p_screen), RD::get_singleton()->screen_get_height(p_screen));
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BlitMode mode = p_render_targets[i].lens_distortion.apply ? BLIT_MODE_LENS : (p_render_targets[i].multi_view.use_layer ? BLIT_MODE_USE_LAYER : BLIT_MODE_NORMAL);
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RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, blit.pipelines[mode]);
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RD::get_singleton()->draw_list_bind_index_array(draw_list, blit.array);
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RD::get_singleton()->draw_list_bind_uniform_set(draw_list, render_target_descriptors[rd_texture], 0);
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blit.push_constant.src_rect[0] = p_render_targets[i].src_rect.position.x;
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blit.push_constant.src_rect[1] = p_render_targets[i].src_rect.position.y;
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blit.push_constant.src_rect[2] = p_render_targets[i].src_rect.size.width;
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blit.push_constant.src_rect[3] = p_render_targets[i].src_rect.size.height;
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blit.push_constant.dst_rect[0] = p_render_targets[i].dst_rect.position.x / screen_size.width;
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blit.push_constant.dst_rect[1] = p_render_targets[i].dst_rect.position.y / screen_size.height;
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blit.push_constant.dst_rect[2] = p_render_targets[i].dst_rect.size.width / screen_size.width;
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blit.push_constant.dst_rect[3] = p_render_targets[i].dst_rect.size.height / screen_size.height;
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blit.push_constant.layer = p_render_targets[i].multi_view.layer;
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blit.push_constant.eye_center[0] = p_render_targets[i].lens_distortion.eye_center.x;
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blit.push_constant.eye_center[1] = p_render_targets[i].lens_distortion.eye_center.y;
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blit.push_constant.k1 = p_render_targets[i].lens_distortion.k1;
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blit.push_constant.k2 = p_render_targets[i].lens_distortion.k2;
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blit.push_constant.upscale = p_render_targets[i].lens_distortion.upscale;
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blit.push_constant.aspect_ratio = p_render_targets[i].lens_distortion.aspect_ratio;
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blit.push_constant.convert_to_srgb = texture_storage->render_target_is_using_hdr(p_render_targets[i].render_target);
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RD::get_singleton()->draw_list_set_push_constant(draw_list, &blit.push_constant, sizeof(BlitPushConstant));
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RD::get_singleton()->draw_list_draw(draw_list, true);
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}
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RD::get_singleton()->draw_list_end();
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}
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void RendererCompositorRD::begin_frame(double frame_step) {
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frame++;
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delta = frame_step;
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time += frame_step;
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double time_roll_over = GLOBAL_GET("rendering/limits/time/time_rollover_secs");
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time = Math::fmod(time, time_roll_over);
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canvas->set_time(time);
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scene->set_time(time, frame_step);
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}
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void RendererCompositorRD::end_frame(bool p_swap_buffers) {
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// TODO: Likely pass a bool to swap buffers to avoid display?
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RD::get_singleton()->swap_buffers();
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}
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void RendererCompositorRD::initialize() {
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{
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// Initialize blit
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Vector<String> blit_modes;
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blit_modes.push_back("\n");
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blit_modes.push_back("\n#define USE_LAYER\n");
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blit_modes.push_back("\n#define USE_LAYER\n#define APPLY_LENS_DISTORTION\n");
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blit_modes.push_back("\n");
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blit.shader.initialize(blit_modes);
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blit.shader_version = blit.shader.version_create();
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for (int i = 0; i < BLIT_MODE_MAX; i++) {
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blit.pipelines[i] = RD::get_singleton()->render_pipeline_create(blit.shader.version_get_shader(blit.shader_version, i), RD::get_singleton()->screen_get_framebuffer_format(), RD::INVALID_ID, RD::RENDER_PRIMITIVE_TRIANGLES, RD::PipelineRasterizationState(), RD::PipelineMultisampleState(), RD::PipelineDepthStencilState(), i == BLIT_MODE_NORMAL_ALPHA ? RenderingDevice::PipelineColorBlendState::create_blend() : RenderingDevice::PipelineColorBlendState::create_disabled(), 0);
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}
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//create index array for copy shader
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Vector<uint8_t> pv;
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pv.resize(6 * 4);
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{
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uint8_t *w = pv.ptrw();
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int *p32 = (int *)w;
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p32[0] = 0;
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p32[1] = 1;
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p32[2] = 2;
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p32[3] = 0;
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p32[4] = 2;
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p32[5] = 3;
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}
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blit.index_buffer = RD::get_singleton()->index_buffer_create(6, RenderingDevice::INDEX_BUFFER_FORMAT_UINT32, pv);
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blit.array = RD::get_singleton()->index_array_create(blit.index_buffer, 0, 6);
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blit.sampler = RD::get_singleton()->sampler_create(RD::SamplerState());
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}
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}
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uint64_t RendererCompositorRD::frame = 1;
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void RendererCompositorRD::finalize() {
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memdelete(scene);
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memdelete(canvas);
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memdelete(fog);
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memdelete(particles_storage);
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memdelete(light_storage);
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memdelete(mesh_storage);
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memdelete(material_storage);
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memdelete(texture_storage);
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memdelete(utilities);
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//only need to erase these, the rest are erased by cascade
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blit.shader.version_free(blit.shader_version);
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RD::get_singleton()->free(blit.index_buffer);
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RD::get_singleton()->free(blit.sampler);
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}
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void RendererCompositorRD::set_boot_image(const Ref<Image> &p_image, const Color &p_color, bool p_scale, bool p_use_filter) {
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if (p_image.is_null() || p_image->is_empty()) {
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return;
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}
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RD::get_singleton()->prepare_screen_for_drawing();
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RID texture = texture_storage->texture_allocate();
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texture_storage->texture_2d_initialize(texture, p_image);
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RID rd_texture = texture_storage->texture_get_rd_texture(texture, false);
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RD::SamplerState sampler_state;
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sampler_state.min_filter = p_use_filter ? RD::SAMPLER_FILTER_LINEAR : RD::SAMPLER_FILTER_NEAREST;
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sampler_state.mag_filter = p_use_filter ? RD::SAMPLER_FILTER_LINEAR : RD::SAMPLER_FILTER_NEAREST;
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sampler_state.max_lod = 0;
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RID sampler = RD::get_singleton()->sampler_create(sampler_state);
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RID uset;
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{
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Vector<RD::Uniform> uniforms;
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RD::Uniform u;
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u.uniform_type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE;
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u.binding = 0;
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u.append_id(sampler);
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u.append_id(rd_texture);
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uniforms.push_back(u);
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uset = RD::get_singleton()->uniform_set_create(uniforms, blit.shader.version_get_shader(blit.shader_version, BLIT_MODE_NORMAL), 0);
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}
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Size2 window_size = DisplayServer::get_singleton()->window_get_size();
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Rect2 imgrect(0, 0, p_image->get_width(), p_image->get_height());
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Rect2 screenrect;
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if (p_scale) {
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if (window_size.width > window_size.height) {
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//scale horizontally
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screenrect.size.y = window_size.height;
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screenrect.size.x = imgrect.size.x * window_size.height / imgrect.size.y;
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screenrect.position.x = (window_size.width - screenrect.size.x) / 2;
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} else {
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//scale vertically
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screenrect.size.x = window_size.width;
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screenrect.size.y = imgrect.size.y * window_size.width / imgrect.size.x;
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screenrect.position.y = (window_size.height - screenrect.size.y) / 2;
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}
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} else {
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screenrect = imgrect;
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screenrect.position += ((window_size - screenrect.size) / 2.0).floor();
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}
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screenrect.position /= window_size;
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screenrect.size /= window_size;
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RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin_for_screen(DisplayServer::MAIN_WINDOW_ID, p_color);
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RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, blit.pipelines[BLIT_MODE_NORMAL_ALPHA]);
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RD::get_singleton()->draw_list_bind_index_array(draw_list, blit.array);
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RD::get_singleton()->draw_list_bind_uniform_set(draw_list, uset, 0);
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blit.push_constant.src_rect[0] = 0.0;
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blit.push_constant.src_rect[1] = 0.0;
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blit.push_constant.src_rect[2] = 1.0;
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blit.push_constant.src_rect[3] = 1.0;
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blit.push_constant.dst_rect[0] = screenrect.position.x;
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blit.push_constant.dst_rect[1] = screenrect.position.y;
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blit.push_constant.dst_rect[2] = screenrect.size.width;
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blit.push_constant.dst_rect[3] = screenrect.size.height;
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blit.push_constant.layer = 0;
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blit.push_constant.eye_center[0] = 0;
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blit.push_constant.eye_center[1] = 0;
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blit.push_constant.k1 = 0;
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blit.push_constant.k2 = 0;
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blit.push_constant.upscale = 1.0;
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blit.push_constant.aspect_ratio = 1.0;
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blit.push_constant.convert_to_srgb = false;
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RD::get_singleton()->draw_list_set_push_constant(draw_list, &blit.push_constant, sizeof(BlitPushConstant));
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RD::get_singleton()->draw_list_draw(draw_list, true);
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RD::get_singleton()->draw_list_end();
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RD::get_singleton()->swap_buffers();
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texture_storage->texture_free(texture);
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RD::get_singleton()->free(sampler);
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}
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RendererCompositorRD *RendererCompositorRD::singleton = nullptr;
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RendererCompositorRD::RendererCompositorRD() {
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uniform_set_cache = memnew(UniformSetCacheRD);
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framebuffer_cache = memnew(FramebufferCacheRD);
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{
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String shader_cache_dir = Engine::get_singleton()->get_shader_cache_path();
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if (shader_cache_dir.is_empty()) {
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shader_cache_dir = "user://";
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}
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Ref<DirAccess> da = DirAccess::open(shader_cache_dir);
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if (da.is_null()) {
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ERR_PRINT("Can't create shader cache folder, no shader caching will happen: " + shader_cache_dir);
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} else {
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Error err = da->change_dir("shader_cache");
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if (err != OK) {
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err = da->make_dir("shader_cache");
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}
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if (err != OK) {
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ERR_PRINT("Can't create shader cache folder, no shader caching will happen: " + shader_cache_dir);
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} else {
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shader_cache_dir = shader_cache_dir.path_join("shader_cache");
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bool shader_cache_enabled = GLOBAL_GET("rendering/shader_compiler/shader_cache/enabled");
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if (!Engine::get_singleton()->is_editor_hint() && !shader_cache_enabled) {
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shader_cache_dir = String(); //disable only if not editor
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}
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if (!shader_cache_dir.is_empty()) {
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bool compress = GLOBAL_GET("rendering/shader_compiler/shader_cache/compress");
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bool use_zstd = GLOBAL_GET("rendering/shader_compiler/shader_cache/use_zstd_compression");
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bool strip_debug = GLOBAL_GET("rendering/shader_compiler/shader_cache/strip_debug");
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ShaderRD::set_shader_cache_dir(shader_cache_dir);
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ShaderRD::set_shader_cache_save_compressed(compress);
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ShaderRD::set_shader_cache_save_compressed_zstd(use_zstd);
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ShaderRD::set_shader_cache_save_debug(!strip_debug);
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}
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}
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}
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}
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singleton = this;
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utilities = memnew(RendererRD::Utilities);
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texture_storage = memnew(RendererRD::TextureStorage);
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material_storage = memnew(RendererRD::MaterialStorage);
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mesh_storage = memnew(RendererRD::MeshStorage);
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light_storage = memnew(RendererRD::LightStorage);
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particles_storage = memnew(RendererRD::ParticlesStorage);
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fog = memnew(RendererRD::Fog);
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canvas = memnew(RendererCanvasRenderRD());
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String rendering_method = GLOBAL_GET("rendering/renderer/rendering_method");
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uint64_t textures_per_stage = RD::get_singleton()->limit_get(RD::LIMIT_MAX_TEXTURES_PER_SHADER_STAGE);
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if (rendering_method == "mobile" || textures_per_stage < 48) {
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scene = memnew(RendererSceneRenderImplementation::RenderForwardMobile());
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if (rendering_method == "forward_plus") {
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WARN_PRINT_ONCE("Platform supports less than 48 textures per stage which is less than required by the Clustered renderer. Defaulting to Mobile renderer.");
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}
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} else if (rendering_method == "forward_plus") {
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// default to our high end renderer
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scene = memnew(RendererSceneRenderImplementation::RenderForwardClustered());
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} else {
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ERR_FAIL_MSG("Cannot instantiate RenderingDevice-based renderer with renderer type " + rendering_method);
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}
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scene->init();
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}
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RendererCompositorRD::~RendererCompositorRD() {
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memdelete(uniform_set_cache);
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memdelete(framebuffer_cache);
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ShaderRD::set_shader_cache_dir(String());
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}
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