Adding shaders and means to render the proxies contained in the workload SPace

interface/src/Application.cpp

@@ -2400,7 +2400,7 @@ void Application::initializeGL() {
         DependencyManager::get<GeometryCache>()->initializeShapePipelines();
     });
 
-    _gameWorkload.startup(_main3DScene);
+    _gameWorkload.startup(_workloadSpace, _main3DScene);
 
     _offscreenContext = new OffscreenGLCanvas();
     _offscreenContext->setObjectName("MainThreadContext");

interface/src/Application.h

@@ -619,6 +619,7 @@ private:
     gpu::ContextPointer _gpuContext; // initialized during window creation
 
     GameWorkload _gameWorkload;
+    workload::SpacePointer _workloadSpace{ new workload::Space() };
 
     mutable QMutex _renderArgsMutex{ QMutex::Recursive };
     struct AppRenderArgs {

interface/src/workload/GameWorkload.cpp

@@ -8,8 +8,9 @@
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
 //
 #include "GameWorkload.h"
+#include "GameWorkloadRenderer.h"
 
-GameWorkloadContext::GameWorkloadContext(const render::ScenePointer& scene) : WorkloadContext(), _scene(scene) {
+GameWorkloadContext::GameWorkloadContext(const workload::SpacePointer& space, const render::ScenePointer& scene) : WorkloadContext(space), _scene(scene) {
 }
 
 GameWorkloadContext::~GameWorkloadContext() {
@@ -23,8 +24,8 @@ GameWorkload::~GameWorkload() {
     shutdown();
 }
 
-void GameWorkload::startup(const render::ScenePointer& scene) {
+void GameWorkload::startup(const workload::SpacePointer& space, const render::ScenePointer& scene) {
-    _engine.reset(new workload::Engine(std::make_shared<GameWorkloadContext>(scene)));
+    _engine.reset(new workload::Engine(std::make_shared<GameWorkloadContext>(space, scene)));
 
     _engine->addJob<GameSpaceToRender>("SpaceToRender");
 }
@@ -35,78 +36,3 @@ void GameWorkload::shutdown() {
 
 
 
-
-
-class GameWorkloadRenderItem {
-public:
-    using Payload = render::Payload<GameWorkloadRenderItem>;
-    using Pointer = Payload::DataPointer;
-
-    GameWorkloadRenderItem() {}
-    ~GameWorkloadRenderItem() {}
-    void render(RenderArgs* args) {}
-
-    render::Item::Bound& editBound() { _needUpdate = true; return _bound; }
-    const render::Item::Bound& getBound() { return _bound; }
-
-    void setVisible(bool visible) { _isVisible = visible; }
-    bool isVisible() const { return _isVisible; }
-
-protected:
-    render::Item::Bound _bound;
-
-    bool _needUpdate{ true };
-    bool _isVisible{ true };
-};
-
-namespace render {
-    template <> const ItemKey payloadGetKey(const GameWorkloadRenderItem::Pointer& payload);
-    template <> const Item::Bound payloadGetBound(const GameWorkloadRenderItem::Pointer& payload);
-    template <> void payloadRender(const GameWorkloadRenderItem::Pointer& payload, RenderArgs* args);
-}
-
-namespace render {
-    template <> const ItemKey payloadGetKey(const GameWorkloadRenderItem::Pointer& payload) {
-        auto builder = ItemKey::Builder().withTypeShape();
-        return builder.build();
-    }
-    template <> const Item::Bound payloadGetBound(const GameWorkloadRenderItem::Pointer& payload) {
-        if (payload) {
-            return payload->getBound();
-        }
-        return Item::Bound();
-    }
-    template <> void payloadRender(const GameWorkloadRenderItem::Pointer& payload, RenderArgs* args) {
-        if (payload) {
-            payload->render(args);
-        }
-    }
-}
-
-
-void GameSpaceToRender::run(const workload::WorkloadContextPointer& runContext, Outputs& outputs) {
-    auto gameWorkloadContext = std::dynamic_pointer_cast<GameWorkloadContext>(runContext);
-    if (!gameWorkloadContext) {
-        return;
-    }
-
-    auto scene = gameWorkloadContext->_scene;
-
-    // Valid space, let's display its content
-    render::Transaction transaction;
-    if (!render::Item::isValidID(_spaceRenderItemID)) {
-        _spaceRenderItemID = scene->allocateID();
-        auto renderItem = std::make_shared<GameWorkloadRenderItem>();
-        renderItem->editBound().expandedContains(glm::vec3(0.0), 32000.0);
-        transaction.resetItem(_spaceRenderItemID, std::make_shared<GameWorkloadRenderItem::Payload>(std::make_shared<GameWorkloadRenderItem>()));
-    }
-
-    scene->enqueueTransaction(transaction);
-
-    auto space = gameWorkloadContext->_space;
-    if (!space) {
-        return;
-    }
-
-
-}

interface/src/workload/GameWorkload.h

@@ -15,21 +15,9 @@
 
 #include "render/Scene.h"
 
-class GameSpaceToRender {
-public:
-    using Outputs = render::Transaction;
-    using JobModel = workload::Job::ModelO<GameSpaceToRender, Outputs>;
-
-    GameSpaceToRender() {}
-    void run(const workload::WorkloadContextPointer& renderContext, Outputs& outputs);
-
-protected:
-    render::ItemID _spaceRenderItemID{ render::Item::INVALID_ITEM_ID };
-};
-
 class GameWorkloadContext : public workload::WorkloadContext {
 public:
-    GameWorkloadContext(const render::ScenePointer& scene);
+    GameWorkloadContext(const workload::SpacePointer& space, const render::ScenePointer& scene);
     virtual ~GameWorkloadContext();
 
     render::ScenePointer _scene;
@@ -40,7 +28,7 @@ public:
     GameWorkload();
     ~GameWorkload();
 
-    void startup(const render::ScenePointer& scene);
+    void startup(const workload::SpacePointer& space, const render::ScenePointer& scene);
     void shutdown();
 
     workload::EnginePointer _engine;

interface/src/workload/GameWorkloadRenderer.cpp

@@ -0,0 +1,121 @@
+//
+//  GameWorkloadRender.cpp
+//
+//  Created by Sam Gateau on 2/20/2018.
+//  Copyright 2018 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+#include "GameWorkloadRenderer.h"
+
+#include <gpu/Context.h>
+
+
+#include "render-utils/drawWorkloadProxy_vert.h"
+#include "render-utils/drawWorkloadProxy_frag.h"
+
+void GameSpaceToRender::run(const workload::WorkloadContextPointer& runContext, Outputs& outputs) {
+    auto gameWorkloadContext = std::dynamic_pointer_cast<GameWorkloadContext>(runContext);
+    if (!gameWorkloadContext) {
+        return;
+    }
+
+    auto scene = gameWorkloadContext->_scene;
+
+    // Valid space, let's display its content
+    render::Transaction transaction;
+    if (!render::Item::isValidID(_spaceRenderItemID)) {
+        _spaceRenderItemID = scene->allocateID();
+        auto renderItem = std::make_shared<GameWorkloadRenderItem>();
+        renderItem->editBound().expandedContains(glm::vec3(0.0), 32000.0);
+        transaction.resetItem(_spaceRenderItemID, std::make_shared<GameWorkloadRenderItem::Payload>(std::make_shared<GameWorkloadRenderItem>()));
+    }
+
+    scene->enqueueTransaction(transaction);
+
+    auto space = gameWorkloadContext->_space;
+    if (!space) {
+        return;
+    }
+
+    space->getNumObjects();
+
+}
+
+namespace render {
+    template <> const ItemKey payloadGetKey(const GameWorkloadRenderItem::Pointer& payload) {
+        auto builder = ItemKey::Builder().opaqueShape().withTagBits(ItemKey::TAG_BITS_0 | ItemKey::TAG_BITS_1);
+        return builder.build();
+    }
+    template <> const Item::Bound payloadGetBound(const GameWorkloadRenderItem::Pointer& payload) {
+        if (payload) {
+            return payload->getBound();
+        }
+        return Item::Bound();
+    }
+    template <> void payloadRender(const GameWorkloadRenderItem::Pointer& payload, RenderArgs* args) {
+        if (payload) {
+            payload->render(args);
+        }
+    }
+}
+
+
+
+void GameWorkloadRenderItem::setAllProxies(const std::vector<workload::Space::Proxy>& proxies) {
+    static const uint32_t sizeOfProxy = sizeof(workload::Space::Proxy);
+    if (!_allProxiesBuffer) {
+        _allProxiesBuffer = std::make_shared<gpu::Buffer>(sizeOfProxy);
+    }
+
+    _allProxiesBuffer->setData(proxies.size() * sizeOfProxy, (const gpu::Byte*) proxies.data());
+    _numAllProxies = (uint32_t) proxies.size();
+}
+
+const gpu::PipelinePointer GameWorkloadRenderItem::getPipeline() {
+    if (!_drawAllProxiesPipeline) {
+        auto vs = drawWorkloadProxy_vert::getShader();
+        auto ps = drawWorkloadProxy_frag::getShader();
+        gpu::ShaderPointer program = gpu::Shader::createProgram(vs, ps);
+
+        gpu::Shader::BindingSet slotBindings;
+        gpu::Shader::makeProgram(*program, slotBindings);
+
+        auto state = std::make_shared<gpu::State>();
+        state->setDepthTest(true, false, gpu::LESS_EQUAL);
+        state->setBlendFunction(true,
+            gpu::State::SRC_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::INV_SRC_ALPHA,
+            gpu::State::DEST_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::ZERO);
+
+        _drawAllProxiesPipeline = gpu::Pipeline::create(program, state);
+    }
+    return _drawAllProxiesPipeline;
+}
+
+void GameWorkloadRenderItem::render(RenderArgs* args) {
+    gpu::doInBatch(args->_context, [&](gpu::Batch& batch) {
+        args->_batch = &batch;
+
+        // Setup projection
+        glm::mat4 projMat;
+        Transform viewMat;
+        args->getViewFrustum().evalProjectionMatrix(projMat);
+        args->getViewFrustum().evalViewTransform(viewMat);
+        batch.setProjectionTransform(projMat);
+        batch.setViewTransform(viewMat);
+        batch.setModelTransform(Transform());
+
+        // Bind program
+        batch.setPipeline(getPipeline());
+
+        batch.setResourceBuffer(0, _allProxiesBuffer);
+
+        static const int NUM_VERTICES_PER_QUAD = 4;
+        batch.draw(gpu::LINES, NUM_VERTICES_PER_QUAD * _numAllProxies, 0);
+    });
+
+}
+
+
+

interface/src/workload/GameWorkloadRenderer.h

@@ -0,0 +1,64 @@
+//
+//  GameWorkloadRender.h
+//
+//  Created by Sam Gateau on 2/20/2018.
+//  Copyright 2018 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+#ifndef hifi_GameWorkloadRenderer_h
+#define hifi_GameWorkloadRenderer_h
+
+#include "GameWorkload.h"
+
+class GameSpaceToRender {
+public:
+    using Outputs = render::Transaction;
+    using JobModel = workload::Job::ModelO<GameSpaceToRender, Outputs>;
+
+    GameSpaceToRender() {}
+    void run(const workload::WorkloadContextPointer& renderContext, Outputs& outputs);
+
+protected:
+    render::ItemID _spaceRenderItemID{ render::Item::INVALID_ITEM_ID };
+};
+
+
+class GameWorkloadRenderItem {
+public:
+    using Payload = render::Payload<GameWorkloadRenderItem>;
+    using Pointer = Payload::DataPointer;
+
+    GameWorkloadRenderItem() {}
+    ~GameWorkloadRenderItem() {}
+    void render(RenderArgs* args);
+
+    render::Item::Bound& editBound() { _needUpdate = true; return _bound; }
+    const render::Item::Bound& getBound() { return _bound; }
+
+    void setVisible(bool visible) { _isVisible = visible; }
+    bool isVisible() const { return _isVisible; }
+
+    void setAllProxies(const std::vector<workload::Space::Proxy>& proxies);
+
+protected:
+    render::Item::Bound _bound;
+
+    gpu::BufferPointer _allProxiesBuffer;
+    uint32_t _numAllProxies{ 0 };
+
+    gpu::PipelinePointer _drawAllProxiesPipeline;
+    const gpu::PipelinePointer getPipeline();
+
+    bool _needUpdate{ true };
+    bool _isVisible{ true };
+};
+
+namespace render {
+    template <> const ItemKey payloadGetKey(const GameWorkloadRenderItem::Pointer& payload);
+    template <> const Item::Bound payloadGetBound(const GameWorkloadRenderItem::Pointer& payload);
+    template <> void payloadRender(const GameWorkloadRenderItem::Pointer& payload, RenderArgs* args);
+}
+
+#endif

libraries/render-utils/src/drawWorkloadProxy.slf

@@ -0,0 +1,28 @@
+<@include gpu/Config.slh@>
+<$VERSION_HEADER$>
+//  Generated on <$_SCRIBE_DATE$>
+//  drawItemBounds.frag
+//  fragment shader
+//
+//  Created by Sam Gateau on 6/29/15.
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+in vec4 varColor;
+in vec2 varTexcoord;
+out vec4 outFragColor;
+
+void main(void) {
+    float var = step(fract(varTexcoord.x * varTexcoord.y * 1.0), 0.5);
+
+    if (varColor.a == 0.0) {
+        outFragColor = vec4(mix(vec3(0.0), varColor.xyz, var), mix(0.0, 1.0, var));
+        
+    } else {
+        outFragColor = vec4(mix(vec3(1.0), varColor.xyz, var), varColor.a);
+    }
+
+}

libraries/render-utils/src/drawWorkloadProxy.slv

@@ -0,0 +1,102 @@
+<@include gpu/Config.slh@>
+<$VERSION_HEADER$>
+//  Generated on <$_SCRIBE_DATE$>
+//
+//  drawItemBounds.slv
+//  vertex shader
+//
+//  Created by Sam Gateau on 6/29/2015.
+//  Copyright 2015 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+<@include gpu/Transform.slh@>
+<$declareStandardTransform()$>
+
+<@include gpu/Color.slh@>
+<$declareColorWheel()$>
+
+uniform vec4 inColor;
+
+
+struct ItemBound {
+    vec4 id_boundPos;
+    vec4 boundDim_s;
+};
+
+#if defined(GPU_GL410)
+uniform samplerBuffer ssbo0Buffer;
+ItemBound getItemBound(int i) {
+    int offset = 2 * i;
+    ItemBound bound;
+    bound.id_boundPos = texelFetch(ssbo0Buffer, offset);
+    bound.boundDim_s = texelFetch(ssbo0Buffer, offset + 1);
+    return bound;
+}
+#else
+layout(std140) buffer ssbo0Buffer {
+    ItemBound bounds[];
+};
+ItemBound getItemBound(int i) {
+    ItemBound bound = bounds[i];
+    return bound;
+}
+#endif
+
+
+
+out vec4 varColor;
+out vec2 varTexcoord;
+
+void main(void) {
+    const vec4 UNIT_BOX[8] = vec4[8](
+        vec4(0.0, 0.0, 0.0, 0.0),
+        vec4(1.0, 0.0, 0.0, 1.0),
+        vec4(0.0, 1.0, 0.0, 1.0),
+        vec4(1.0, 1.0, 0.0, 2.0),
+        vec4(0.0, 0.0, 1.0, 1.0),
+        vec4(1.0, 0.0, 1.0, 2.0),
+        vec4(0.0, 1.0, 1.0, 2.0),
+        vec4(1.0, 1.0, 1.0, 3.0)
+    );
+    const int UNIT_BOX_LINE_INDICES[24] = int[24](
+        0, 1,
+        1, 3,
+        3, 2,
+        2, 0,
+        4, 5,
+        5, 7,
+        7, 6,
+        6, 4,
+        2, 6,
+        3, 7,
+        0, 4,
+        1, 5
+    );
+
+    int boundID = gl_VertexID / 24;
+    int vertexID = gl_VertexID - boundID * 24;
+
+    vec4 cubeVec = UNIT_BOX[UNIT_BOX_LINE_INDICES[vertexID]];
+
+    ItemBound bound = getItemBound(boundID);
+    vec3 boundPos = bound.id_boundPos.yzw;
+    vec3 boundDim = bound.boundDim_s.xyz;
+
+    vec4 pos = vec4(boundPos + boundDim * cubeVec.xyz, 1.0);
+
+    // standard transform
+    TransformCamera cam = getTransformCamera();
+    TransformObject obj = getTransformObject();
+    <$transformModelToClipPos(cam, obj, pos, gl_Position)$>
+
+    if (inColor.w < 0.0) {
+        varColor = vec4(colorWheel(float(boundID)/(-inColor.w)), 1.0);
+    } else {
+        varColor = vec4(colorWheel(float(inColor.w)), 1.0);
+    }
+    varTexcoord = vec2(cubeVec.w, length(boundDim));
+
+}

libraries/workload/src/workload/Engine.cpp

@@ -36,7 +36,7 @@ namespace workload {
         }
     };
 
-    WorkloadContext::WorkloadContext() : task::JobContext(trace_workload()) {}
+    WorkloadContext::WorkloadContext(const SpacePointer& space) : task::JobContext(trace_workload()), _space(space) {}
 
     using EngineModel = Task::Model<class HelloWorldBuilder>;
 

libraries/workload/src/workload/Engine.h

@@ -29,7 +29,7 @@ namespace workload {
     // (1) Derive class C from task::JobContext
     class WorkloadContext : public task::JobContext {
     public:
-        WorkloadContext();
+        WorkloadContext(const SpacePointer& space);
         virtual ~WorkloadContext() {}
 
         SpacePointer _space;
@@ -66,12 +66,7 @@ namespace workload {
         // (6) The Engine's Context is passed to its Jobs when they are run()
         void run() { assert(_context); Task::run(_context); }
 
-        // Register the Space
-        void registerSpace(const SpacePointer& space) { _context->_space = space; }
-
     protected:
-        // (6) Again, the Engine's Context is passed to its Jobs when they are run()
-        void run(const WorkloadContextPointer& context) override { assert(_context);  Task::run(_context); }
 
     private:
         WorkloadContextPointer _context;

libraries/workload/src/workload/Space.cpp

@@ -101,6 +101,15 @@ void Space::deleteProxy(int32_t proxyId) {
     }
 }
 
+uint32_t Space::copyProxyValues(Proxy* proxies, uint32_t numDestProxies) {
+
+    auto numCopied = std::min(numDestProxies, (uint32_t)_proxies.size());
+    memcpy(proxies, _proxies.data(), numCopied * sizeof(Proxy));
+
+    return numCopied;
+}
+
+
 // private
 void Space::updateProxy(int32_t proxyId, const Space::Sphere& newSphere) {
     if (proxyId > -1 && proxyId < (int32_t)_proxies.size()) {

libraries/workload/src/workload/Space.h

@@ -70,6 +70,8 @@ public:
 
     void categorizeAndGetChanges(std::vector<Change>& changes);
 
+    uint32_t copyProxyValues(Proxy* proxies, uint32_t numDestProxies);
+
 private:
     void deleteProxy(int32_t proxyId);
     void updateProxy(int32_t proxyId, const Sphere& sphere);