diff options
Diffstat (limited to 'src/main.cpp')
| -rw-r--r-- | src/main.cpp | 394 |
1 files changed, 185 insertions, 209 deletions
diff --git a/src/main.cpp b/src/main.cpp index 1d7a2ae..2f53dd6 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -30,8 +30,152 @@ struct VkVertex { uint32_t padding[3]; }; -int main() { -#ifdef ENABLE_RENDERDOC +void update_ui(scene& main_scene, float delta_time) { + ImGui::NewFrame(); + + ImGui::SetNextWindowPos({0.f, 0.f}); + ImGui::SetNextWindowSize({0.f, 0.f}); + ImGui::Begin("Debug", NULL, ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoTitleBar); + + ImGui::Text("frame per second %u\n", static_cast<uint32_t>(1000.f / delta_time)); + ImGui::Text("frame time %f ms\n", delta_time); + ImGui::Text("frame count %u\n", main_scene.meta.sample_index); + + if (ImGui::Checkbox("depth of field", (bool*)&main_scene.meta.enable_dof)) { + main_scene.meta.sample_index = 1; + } + + ImGui::SliderInt("max bounces", (int32_t *)&main_scene.meta.max_bounce, 1, 250); + ImGui::SliderInt("min bounces", (int32_t *)&main_scene.meta.min_bounce, 1, main_scene.meta.max_bounce); + if (ImGui::SliderInt("downscale factor", (int32_t *)&main_scene.meta.downscale_factor, 1, 32)) { + main_scene.meta.sample_index = 1; + } + + if (ImGui::Checkbox("debug bvh", (bool *)&main_scene.meta.debug_bvh)) { + main_scene.meta.sample_index = 1; + } + + ImGui::End(); + bool open = true; + ImGui::ShowDemoWindow(&open); + + ImGui::EndFrame(); + + ImGui::Render(); +} + +void render(scene& main_scene, vkrenderer& renderer) { + // To start a frame capture, call StartFrameCapture. + // You can specify NULL, NULL for the device to capture on if you have only + // one device and either no windows at all or only one window, and it will + // capture from that device. See the documentation below for a longer + // explanation if(rdoc_api) rdoc_api->StartFrameCapture(NULL, NULL); + + main_scene.scene_buffer->write(&main_scene.meta, 0, sizeof(main_scene.meta)); + + + // ImDrawData* draw_data = ImGui::GetDrawData(); + + // ui_pass->set_viewport(0.f, 0.f, (float)draw_data->DisplaySize.x, (float)draw_data->DisplaySize.y); + + // auto previous_size = ui_primitives.size(); + // auto commands_count = 0U; + + // for (int32_t draw_list_index = 0; draw_list_index < draw_data->CmdListsCount; draw_list_index++) { + // commands_count += draw_data->CmdLists[draw_list_index]->CmdBuffer.size(); + // } + + // if (ui_primitives.size() < commands_count) { + // ui_primitives.resize(commands_count); + + // for (size_t index = previous_size; index < ui_primitives.size(); index++) { + // ui_primitives[index] = renderer.create_primitive(*ui_pass); + // ui_primitives[index]->set_pipeline(ui_shader_name); + // ui_primitives[index]->set_constant_offset(64); + // ui_primitives[index]->set_constant(32, ui_texture); + // ui_primitives[index]->set_constant(36, ui_texture_sampler); + // } + // } + + // float scale[] { + // 2.f / draw_data->DisplaySize.x, + // 2.f / draw_data->DisplaySize.y, + // }; + // float translate[] { + // -1.f - draw_data->DisplayPos.x * (2.f / draw_data->DisplaySize.x), + // -1.f - draw_data->DisplayPos.y * (2.f / draw_data->DisplaySize.y), + // }; + + // if (!ui_vertex_buffer || ui_vertex_buffer->size < draw_data->TotalVtxCount * sizeof(VkVertex)) { + // ui_vertex_buffer = renderer.create_buffer(draw_data->TotalVtxCount * sizeof(VkVertex), false); + + // for (auto& primitive : ui_primitives) { + // primitive->set_constant(0, ui_vertex_buffer); + // } + // } + + // if (!ui_index_buffer || ui_index_buffer->size < draw_data->TotalIdxCount * sizeof(ImDrawIdx)) { + // ui_index_buffer = renderer.create_index_buffer(draw_data->TotalIdxCount * sizeof(ImDrawIdx), false); + + // for (auto& primitive : ui_primitives) { + // primitive->set_index_buffer(ui_index_buffer); + // } + // } + + // off_t vertex_buffer_offset = 0; + // off_t index_buffer_offset = 0; + // std::vector<VkVertex> vertices; + // uint32_t draw_call_index = 0; + // for (int32_t draw_list_index = 0; draw_list_index < draw_data->CmdListsCount; draw_list_index++) { + // auto& vertex_buffer = draw_data->CmdLists[draw_list_index]->VtxBuffer; + // auto& index_buffer = draw_data->CmdLists[draw_list_index]->IdxBuffer; + // vertices.resize(vertex_buffer.size()); + + // for (int32_t vert_index = 0; vert_index < vertex_buffer.Size; vert_index++) { + // vertices[vert_index] = *((VkVertex*)&vertex_buffer[vert_index]); + // } + + // renderer.update_buffer(ui_vertex_buffer, vertices.data(), vertex_buffer_offset * sizeof(VkVertex), vertices.size() * sizeof(VkVertex)); + // renderer.update_buffer(ui_index_buffer, index_buffer.Data, index_buffer_offset * sizeof(ImDrawIdx), index_buffer.size() * sizeof(ImDrawIdx)); + + // ImDrawList* draw_list = draw_data->CmdLists[draw_list_index]; + // for (auto& draw_cmd: draw_list->CmdBuffer) { + // auto& current_primitive = ui_primitives[draw_call_index]; + // current_primitive->set_constant(8, (uint64_t*)&scale); + // current_primitive->set_constant(16, (uint64_t*)&translate); + + // ImVec2 pos = draw_data->DisplayPos; + // current_primitive->set_scissor( + // (int32_t)draw_cmd.ClipRect.x - pos.x, + // (int32_t)draw_cmd.ClipRect.y - pos.y, + // (uint32_t)draw_cmd.ClipRect.z - pos.x, + // (uint32_t)draw_cmd.ClipRect.w - pos.y + // ); + + // current_primitive->set_draw_info( + // draw_cmd.ElemCount, + // index_buffer_offset + draw_cmd.IdxOffset, + // vertex_buffer_offset + draw_cmd.VtxOffset + // ); + + // ui_pass->add_primitive(current_primitive); + // draw_call_index++; + // } + + // vertex_buffer_offset += vertex_buffer.Size; + // index_buffer_offset += index_buffer.Size; + // } + + // ui_pass->set_color_attachment(0, renderer.back_buffer()); + + renderer.render(); + + main_scene.meta.sample_index++; +} + + +#if defined(ENABLE_RENDERDOC) +RENDERDOC_API_1_1_2 enable_renderdoc() { RENDERDOC_API_1_1_2 *rdoc_api = nullptr; #ifdef WINDOWS @@ -52,7 +196,16 @@ int main() { assert(ret == 1); } #endif -#endif // ENABLE_RENDERDOC + + return rdoc_api; +} +#endif + +int main() { + +#if defined(ENABLE_RENDERDOC) + auto* rdoc_api = enable_renderdoc(); +#endif const float aspect_ratio = 16.0 / 9.0; const auto width = 400; @@ -70,14 +223,15 @@ int main() { const auto v_fov = 90.f; const auto aperture = 0.1f; const auto focus_distance = 10.f; - auto cam = camera(position, target, v_fov, aspect_ratio, aperture, focus_distance); vkrenderer renderer { wnd }; ImGui::CreateContext(); ImGuiIO &io = ImGui::GetIO(); + io.DisplaySize.x = (float)width; + io.DisplaySize.y = (float)height; - auto main_scene = scene(cam, width, height, renderer); + auto main_scene = scene(camera(position, target, v_fov, aspect_ratio, aperture, focus_distance), width, height); auto *raytracing_pass = renderer.create_compute_renderpass(); raytracing_pass->set_pipeline("compute"); @@ -106,8 +260,9 @@ int main() { raytracing_pass->set_pipeline("compute"); }); - auto *accumulation_texture = renderer.create_2d_texture(width, height, VK_FORMAT_R32G32B32A32_SFLOAT); - auto *output_texture = renderer.create_2d_texture(width, height, VK_FORMAT_R32G32B32A32_SFLOAT); + auto *accumulation_texture = vkrenderer::create_2d_texture(width, height, VK_FORMAT_R32G32B32A32_SFLOAT); + auto *output_texture = vkrenderer::create_2d_texture(width, height, VK_FORMAT_R32G32B32A32_SFLOAT); + raytracing_pass->set_constant(0, main_scene.scene_buffer); raytracing_pass->set_constant(8, main_scene.bvh_buffer); raytracing_pass->set_constant(16, main_scene.indices_buffer); raytracing_pass->set_constant(24, main_scene.positions_buffer); @@ -116,29 +271,27 @@ int main() { raytracing_pass->set_constant(48, main_scene.materials_buffer); raytracing_pass->set_dispatch_size(width / 8 + 1, height / 8 + 1, 1); - uint8_t *pixels = nullptr; - int atlas_width, atlas_height; - io.Fonts->GetTexDataAsRGBA32(&pixels, &atlas_width, &atlas_height); - auto *ui_texture = renderer.create_2d_texture(atlas_width, atlas_height, VK_FORMAT_R8G8B8A8_UNORM); - io.Fonts->SetTexID((void *)&ui_texture); + // uint8_t *pixels = nullptr; + // int atlas_width, atlas_height; + // io.Fonts->GetTexDataAsRGBA32(&pixels, &atlas_width, &atlas_height); + // auto *ui_texture = renderer.create_2d_texture(atlas_width, atlas_height, VK_FORMAT_R8G8B8A8_UNORM); + // io.Fonts->SetTexID((void *)&ui_texture); - renderer.update_image(ui_texture, pixels); - auto ui_texture_sampler = renderer.create_sampler(VK_FILTER_LINEAR, VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE); + // renderer.update_image(ui_texture, pixels); + // auto ui_texture_sampler = renderer.create_sampler(VK_FILTER_LINEAR, VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE); - Buffer* ui_vertex_buffer = nullptr; - Buffer* ui_index_buffer = nullptr; + // Buffer* ui_vertex_buffer = nullptr; + // Buffer* ui_index_buffer = nullptr; - std::vector<Primitive*> ui_primitives; - auto ui_pass = renderer.create_primitive_renderpass(); - ui_pass->set_viewport(0.f, 0.f, (float)width, (float)height); - ui_pass->add_color_attachment(renderer.back_buffer_format()); - ui_pass->finalize_render_pass(); + // const char* ui_shader_name = "ui"; + // std::vector<Primitive*> ui_primitives; + // auto ui_pass = renderer.create_primitive_renderpass(); + // ui_pass->set_viewport(0.f, 0.f, (float)width, (float)height); + // ui_pass->add_color_attachment(renderer.back_buffer_format()); + // ui_pass->finalize_render_pass(); auto can_render = true; - io.DisplaySize.x = (float)width; - io.DisplaySize.y = (float)height; - while (wnd.isOpen) { end = std::chrono::high_resolution_clock::now(); @@ -168,10 +321,10 @@ int main() { renderer.recreate_swapchain(); main_scene.meta.cam.set_aspect_ratio((float)event.width / (float)event.height); - renderer.destroy_2d_texture(accumulation_texture); - renderer.destroy_2d_texture(output_texture); - accumulation_texture = renderer.create_2d_texture(event.width, event.height, VK_FORMAT_R32G32B32A32_SFLOAT); - output_texture = renderer.create_2d_texture(event.width, event.height, VK_FORMAT_R32G32B32A32_SFLOAT); + vkrenderer::destroy_2d_texture(accumulation_texture); + vkrenderer::destroy_2d_texture(output_texture); + accumulation_texture = vkrenderer::create_2d_texture(event.width, event.height, VK_FORMAT_R32G32B32A32_SFLOAT); + output_texture = vkrenderer::create_2d_texture(event.width, event.height, VK_FORMAT_R32G32B32A32_SFLOAT); raytracing_pass->set_dispatch_size(event.width / 8 + 1, event.height / 8 + 1, 1); } @@ -252,194 +405,17 @@ int main() { wnd.events.clear(); - // GUI - ImGui::NewFrame(); - - ImGui::SetNextWindowPos({0.f, 0.f}); - ImGui::SetNextWindowSize({0.f, 0.f}); - ImGui::Begin("Debug", nullptr, ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoTitleBar); - - ImGui::Text("frame per second %u\n", static_cast<uint32_t>(1000.f / delta_time)); - ImGui::Text("frame time %f ms\n", delta_time); - ImGui::Text("frame count %u\n", main_scene.meta.sample_index); - - if (ImGui::Checkbox("depth of field", (bool *)&main_scene.meta.enable_dof)) { - main_scene.meta.sample_index = 1; - } - - ImGui::SliderInt("max bounces", (int32_t *)&main_scene.meta.max_bounce, 1, 250); - ImGui::SliderInt("min bounces", (int32_t *)&main_scene.meta.min_bounce, 1, main_scene.meta.max_bounce); - if (ImGui::SliderInt("downscale factor", (int32_t *)&main_scene.meta.downscale_factor, 1, 32)) { - main_scene.meta.sample_index = 1; - } - - if (ImGui::Checkbox("debug bvh", (bool *)&main_scene.meta.debug_bvh)) { main_scene.meta.sample_index = 1; } + raytracing_pass->set_ouput_texture(output_texture); + raytracing_pass->set_constant(60, accumulation_texture); - ImGui::End(); - - ImGui::EndFrame(); - - // To start a frame capture, call StartFrameCapture. - // You can specify NULL, NULL for the device to capture on if you have only one device and - // either no windows at all or only one window, and it will capture from that device. - // See the documentation below for a longer explanation - // if(rdoc_api) rdoc_api->StartFrameCapture(NULL, NULL); - - // renderer.ui(); + update_ui(main_scene, delta_time); if (can_render) { - ImGui::NewFrame(); - - // ImGui::SetNextWindowPos({0.f, 0.f}); - // ImGui::SetNextWindowSize({0.f, 0.f}); - // ImGui::Begin("Debug", NULL, ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoTitleBar); - - // ImGui::Text("frame per second %u\n", static_cast<uint32_t>(1000.f / delta_time)); - // ImGui::Text("frame time %f ms\n", delta_time); - // ImGui::Text("frame count %u\n", main_scene.meta.sample_index); - - // if (ImGui::Checkbox("depth of field", (bool*)&main_scene.meta.enable_dof)) { - // main_scene.meta.sample_index = 1; - // } - - // ImGui::SliderInt("max bounces", (int32_t *)&main_scene.meta.max_bounce, 1, 250); - // ImGui::SliderInt("min bounces", (int32_t *)&main_scene.meta.min_bounce, 1, main_scene.meta.max_bounce); - // if (ImGui::SliderInt("downscale factor", (int32_t *)&main_scene.meta.downscale_factor, 1, 32)) { - // main_scene.meta.sample_index = 1; - // } - - // if (ImGui::Checkbox("debug bvh", (bool *)&main_scene.meta.debug_bvh)) { - // main_scene.meta.sample_index = 1; - // } - - // ImGui::End(); - bool open = true; - ImGui::ShowDemoWindow(&open); - - ImGui::EndFrame(); - - ImGui::Render(); - - // To start a frame capture, call StartFrameCapture. - // You can specify NULL, NULL for the device to capture on if you have only - // one device and either no windows at all or only one window, and it will - // capture from that device. See the documentation below for a longer - // explanation if(rdoc_api) rdoc_api->StartFrameCapture(NULL, NULL); - - renderer.update_buffer(main_scene.scene_buffer, &main_scene.meta, 0, sizeof(main_scene.meta)); - - raytracing_pass->set_ouput_texture(output_texture); - raytracing_pass->set_constant(0, main_scene.scene_buffer); - raytracing_pass->set_constant(60, accumulation_texture); - - - ImDrawData* draw_data = ImGui::GetDrawData(); - - ui_pass->set_viewport(0.f, 0.f, (float)draw_data->DisplaySize.x, (float)draw_data->DisplaySize.y); - - auto previous_size = ui_primitives.size(); - auto commands_count = 0U; - - for (int32_t draw_list_index = 0; draw_list_index < draw_data->CmdListsCount; draw_list_index++) { - commands_count += draw_data->CmdLists[draw_list_index]->CmdBuffer.size(); - } - - if (ui_primitives.size() < commands_count) { - ui_primitives.resize(commands_count); - - for (size_t index = previous_size; index < ui_primitives.size(); index++) { - ui_primitives[index] = renderer.create_primitive(*ui_pass); - ui_primitives[index]->set_pipeline("ui"); - ui_primitives[index]->set_constant_offset(64); - ui_primitives[index]->set_constant(32, ui_texture); - ui_primitives[index]->set_constant(36, ui_texture_sampler); - } - } - - float scale[] { - 2.f / draw_data->DisplaySize.x, - 2.f / draw_data->DisplaySize.y, - }; - float translate[] { - -1.f - draw_data->DisplayPos.x * (2.f / draw_data->DisplaySize.x), - -1.f - draw_data->DisplayPos.y * (2.f / draw_data->DisplaySize.y), - }; - - if (!ui_vertex_buffer || ui_vertex_buffer->size < draw_data->TotalVtxCount * sizeof(VkVertex)) { - ui_vertex_buffer = renderer.create_buffer(draw_data->TotalVtxCount * sizeof(VkVertex), false); - - for (auto& primitive : ui_primitives) { - primitive->set_constant(0, ui_vertex_buffer); - } - } - - if (!ui_index_buffer || ui_index_buffer->size < draw_data->TotalIdxCount * sizeof(ImDrawIdx)) { - ui_index_buffer = renderer.create_index_buffer(draw_data->TotalIdxCount * sizeof(ImDrawIdx), false); - - for (auto& primitive : ui_primitives) { - primitive->set_index_buffer(ui_index_buffer); - } - } - - off_t vertex_buffer_offset = 0; - off_t index_buffer_offset = 0; - std::vector<VkVertex> vertices; - uint32_t draw_call_index = 0; - for (int32_t draw_list_index = 0; draw_list_index < draw_data->CmdListsCount; draw_list_index++) { - auto& vertex_buffer = draw_data->CmdLists[draw_list_index]->VtxBuffer; - auto& index_buffer = draw_data->CmdLists[draw_list_index]->IdxBuffer; - vertices.resize(vertex_buffer.size()); - - for (int32_t vert_index = 0; vert_index < vertex_buffer.Size; vert_index++) { - vertices[vert_index] = *((VkVertex*)&vertex_buffer[vert_index]); - } - - renderer.update_buffer(ui_vertex_buffer, vertices.data(), vertex_buffer_offset * sizeof(VkVertex), vertices.size() * sizeof(VkVertex)); - renderer.update_buffer(ui_index_buffer, index_buffer.Data, index_buffer_offset * sizeof(ImDrawIdx), index_buffer.size() * sizeof(ImDrawIdx)); - - ImDrawList* draw_list = draw_data->CmdLists[draw_list_index]; - for (auto& draw_cmd: draw_list->CmdBuffer) { - auto& current_primitive = ui_primitives[draw_call_index]; - current_primitive->set_constant(8, reinterpret_cast<uint64_t*>(&scale)); - current_primitive->set_constant(16, reinterpret_cast<uint64_t*>(&translate)); - - ImVec2 pos = draw_data->DisplayPos; - current_primitive->set_scissor( - (int32_t)draw_cmd.ClipRect.x - pos.x, - (int32_t)draw_cmd.ClipRect.y - pos.y, - (uint32_t)draw_cmd.ClipRect.z - pos.x, - (uint32_t)draw_cmd.ClipRect.w - pos.y - ); - - current_primitive->set_draw_info( - draw_cmd.ElemCount, - index_buffer_offset + draw_cmd.IdxOffset, - vertex_buffer_offset + draw_cmd.VtxOffset - ); - - ui_pass->add_primitive(current_primitive); - draw_call_index++; - } - - vertex_buffer_offset += vertex_buffer.Size; - index_buffer_offset += index_buffer.Size; - } - - renderer.begin_frame(); - - ui_pass->set_color_attachment(0, renderer.back_buffer()); - - renderer.render(); - renderer.finish_frame(); - - main_scene.meta.sample_index++; + render(main_scene, renderer); std::swap(output_texture, accumulation_texture); } - // stop the capture - // if(rdoc_api) rdoc_api->EndFrameCapture(NULL, NULL); - frame_count++; } |