diff options
Diffstat (limited to 'servers/rendering/rasterizer_rd/rasterizer_rd.cpp')
| -rw-r--r-- | servers/rendering/rasterizer_rd/rasterizer_rd.cpp | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/servers/rendering/rasterizer_rd/rasterizer_rd.cpp b/servers/rendering/rasterizer_rd/rasterizer_rd.cpp new file mode 100644 index 0000000000..9c54f0caae --- /dev/null +++ b/servers/rendering/rasterizer_rd/rasterizer_rd.cpp @@ -0,0 +1,177 @@ +/*************************************************************************/ +/* rasterizer_rd.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2020 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 "rasterizer_rd.h" + +void RasterizerRD::prepare_for_blitting_render_targets() { + RD::get_singleton()->prepare_screen_for_drawing(); +} + +void RasterizerRD::blit_render_targets_to_screen(DisplayServer::WindowID p_screen, const BlitToScreen *p_render_targets, int p_amount) { + + RD::DrawListID draw_list = RD::get_singleton()->draw_list_begin_for_screen(p_screen); + + for (int i = 0; i < p_amount; i++) { + RID texture = storage->render_target_get_texture(p_render_targets[i].render_target); + ERR_CONTINUE(texture.is_null()); + RID rd_texture = storage->texture_get_rd_texture(texture); + ERR_CONTINUE(rd_texture.is_null()); + if (!render_target_descriptors.has(rd_texture) || !RD::get_singleton()->uniform_set_is_valid(render_target_descriptors[rd_texture])) { + Vector<RD::Uniform> uniforms; + RD::Uniform u; + u.type = RD::UNIFORM_TYPE_SAMPLER_WITH_TEXTURE; + u.binding = 0; + u.ids.push_back(copy_viewports_sampler); + u.ids.push_back(rd_texture); + uniforms.push_back(u); + RID uniform_set = RD::get_singleton()->uniform_set_create(uniforms, copy_viewports_rd_shader, 0); + + render_target_descriptors[rd_texture] = uniform_set; + } + + Size2 screen_size(RD::get_singleton()->screen_get_width(p_screen), RD::get_singleton()->screen_get_height(p_screen)); + + RD::get_singleton()->draw_list_bind_render_pipeline(draw_list, copy_viewports_rd_pipeline); + RD::get_singleton()->draw_list_bind_index_array(draw_list, copy_viewports_rd_array); + RD::get_singleton()->draw_list_bind_uniform_set(draw_list, render_target_descriptors[rd_texture], 0); + + float push_constant[4] = { + p_render_targets[i].rect.position.x / screen_size.width, + p_render_targets[i].rect.position.y / screen_size.height, + p_render_targets[i].rect.size.width / screen_size.width, + p_render_targets[i].rect.size.height / screen_size.height, + }; + RD::get_singleton()->draw_list_set_push_constant(draw_list, push_constant, 4 * sizeof(float)); + RD::get_singleton()->draw_list_draw(draw_list, true); + } + + RD::get_singleton()->draw_list_end(); +} + +void RasterizerRD::begin_frame(double frame_step) { + frame++; + time += frame_step; + canvas->set_time(time); + scene->set_time(time, frame_step); +} + +void RasterizerRD::end_frame(bool p_swap_buffers) { + +#ifndef _MSC_VER +#warning TODO: likely passa bool to swap buffers to avoid display? +#endif + RD::get_singleton()->swap_buffers(); //probably should pass some bool to avoid display? +} + +void RasterizerRD::initialize() { + + { //create framebuffer copy shader + RenderingDevice::ShaderStageData vert; + vert.shader_stage = RenderingDevice::SHADER_STAGE_VERTEX; + vert.spir_v = RenderingDevice::get_singleton()->shader_compile_from_source(RenderingDevice::SHADER_STAGE_VERTEX, + "#version 450\n" + "layout(push_constant, binding = 0, std140) uniform Pos { vec4 dst_rect; } pos;\n" + "layout(location =0) out vec2 uv;\n" + "void main() { \n" + " vec2 base_arr[4] = vec2[](vec2(0.0,0.0),vec2(0.0,1.0),vec2(1.0,1.0),vec2(1.0,0.0));\n" + " uv = base_arr[gl_VertexIndex];\n" + " vec2 vtx = pos.dst_rect.xy+uv*pos.dst_rect.zw;\n" + " gl_Position = vec4(vtx * 2.0 - 1.0,0.0,1.0);\n" + "}\n"); + + RenderingDevice::ShaderStageData frag; + frag.shader_stage = RenderingDevice::SHADER_STAGE_FRAGMENT; + frag.spir_v = RenderingDevice::get_singleton()->shader_compile_from_source(RenderingDevice::SHADER_STAGE_FRAGMENT, + "#version 450\n" + "layout (location = 0) in vec2 uv;\n" + "layout (location = 0) out vec4 color;\n" + "layout (binding = 0) uniform sampler2D src_rt;\n" + "void main() { color=texture(src_rt,uv); }\n"); + + Vector<RenderingDevice::ShaderStageData> source; + source.push_back(vert); + source.push_back(frag); + String error; + copy_viewports_rd_shader = RD::get_singleton()->shader_create(source); + if (!copy_viewports_rd_shader.is_valid()) { + print_line("Failed compilation: " + error); + } + } + + { //create index array for copy shader + 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; + } + copy_viewports_rd_index_buffer = RD::get_singleton()->index_buffer_create(6, RenderingDevice::INDEX_BUFFER_FORMAT_UINT32, pv); + copy_viewports_rd_array = RD::get_singleton()->index_array_create(copy_viewports_rd_index_buffer, 0, 6); + } + + { //pipeline + copy_viewports_rd_pipeline = RD::get_singleton()->render_pipeline_create(copy_viewports_rd_shader, RD::get_singleton()->screen_get_framebuffer_format(), RD::INVALID_ID, RD::RENDER_PRIMITIVE_TRIANGLES, RD::PipelineRasterizationState(), RD::PipelineMultisampleState(), RD::PipelineDepthStencilState(), RenderingDevice::PipelineColorBlendState::create_disabled(), 0); + } + { // sampler + copy_viewports_sampler = RD::get_singleton()->sampler_create(RD::SamplerState()); + } +} + +ThreadWorkPool RasterizerRD::thread_work_pool; +uint32_t RasterizerRD::frame = 1; + +void RasterizerRD::finalize() { + + thread_work_pool.finish(); + + memdelete(scene); + memdelete(canvas); + memdelete(storage); + + //only need to erase these, the rest are erased by cascade + RD::get_singleton()->free(copy_viewports_rd_index_buffer); + RD::get_singleton()->free(copy_viewports_rd_shader); + RD::get_singleton()->free(copy_viewports_sampler); +} + +RasterizerRD::RasterizerRD() { + thread_work_pool.init(); + time = 0; + + storage = memnew(RasterizerStorageRD); + canvas = memnew(RasterizerCanvasRD(storage)); + scene = memnew(RasterizerSceneHighEndRD(storage)); +} |