replacing the glTransform pipeline for model rendering

libraries/gpu/src/gpu/Batch.cpp

@@ -156,7 +156,7 @@ void Batch::setViewTransform(const Transform& view) {
 void Batch::setProjectionTransform(const Mat4& proj) {
     ADD_COMMAND(setProjectionTransform);
 
-    _params.push_back(cacheData(sizeof(Mat4), &proj);
+    _params.push_back(cacheData(sizeof(Mat4), &proj));
 }
 
 void Batch::setUniformBuffer(uint32 slot, const BufferPointer& buffer, Offset offset, Offset size) {

libraries/gpu/src/gpu/GLBackend.cpp

@@ -80,21 +80,25 @@ GLBackend::~GLBackend() {
 
 }
 
-void GLBackend::renderBatch(Batch& batch) {
+void GLBackend::render(Batch& batch) {
+
     uint32 numCommands = batch.getCommands().size();
     const Batch::Commands::value_type* command = batch.getCommands().data();
     const Batch::CommandOffsets::value_type* offset = batch.getCommandOffsets().data();
 
-    GLBackend backend;
-
     for (unsigned int i = 0; i < numCommands; i++) {
         CommandCall call = _commandCalls[(*command)];
-        (backend.*(call))(batch, *offset);
+        (this->*(call))(batch, *offset);
         command++;
         offset++;
     }
 }
 
+void GLBackend::renderBatch(Batch& batch) {
+    GLBackend backend;
+    backend.render(batch);
+}
+
 void GLBackend::checkGLError() {
     GLenum error = glGetError();
     if (!error) {
@@ -416,9 +420,9 @@ void GLBackend::killTransform() {
 #else
 #endif
 }
-
+#define LEGACY_TRANSFORM_PIPELINE 1
 void GLBackend::updateTransform() {
-#define LEGACY_TRANSFORM_PIPELINE
+
 #ifdef LEGACY_TRANSFORM_PIPELINE
     if (_transform._invalidProj) {
         // TODO: implement the projection matrix assignment to gl state

libraries/gpu/src/gpu/GLBackend.h

@@ -27,10 +27,13 @@ public:
     GLBackend();
     ~GLBackend();
 
+    void render(Batch& batch);
+
     static void renderBatch(Batch& batch);
 
     static void checkGLError();
 
+    
 
     class GLBuffer {
     public:
@@ -138,7 +141,7 @@ protected:
             _projection(),
             _invalidModel(true),
             _invalidView(true),
-            _invalidProj(true),
+            _invalidProj(false),
             _lastMode(GL_TEXTURE) {}
     } _transform;
 

libraries/octree/src/ViewFrustum.cpp

@@ -870,7 +870,11 @@ void ViewFrustum::evalProjectionMatrix(glm::mat4& proj) const {
     if (isOrthographic()) {
         proj = glm::ortho(getWidth() * -0.5, getWidth() * +0.5, getHeight() * -0.5, getHeight() * 0.5);
     } else {
-        proj = glm::perspective(getFieldOfView(), getAspectRatio(), getNearClip(), getFarClip());
+        float left, right, bottom, top, near, far;
+        glm::vec4 clip0, clip1;
+        computeOffAxisFrustum(left, right, bottom, top, near, far, clip0, clip1);
+        proj = glm::perspective(glm::radians(getFieldOfView()), getAspectRatio(), getNearClip(), getFarClip());
+       // proj = glm::perspective(getFieldOfView() * 0.5f, getAspectRatio(), getNearClip(), getFarClip());
     }
 }
 

libraries/render-utils/src/DeferredGlobalLight.slh

@@ -95,7 +95,10 @@ vec3 evalAmbienSphereGlobalColor(float shadowAttenuation, vec3 position, vec3 no
 vec3 evalLightmappedColor(float shadowAttenuation, vec3 normal, vec3 diffuse, vec3 lightmap) {
     
     Light light = getLight();
-    float diffuseDot = dot(normal, getLightDirection(light));
+
+    vec3 fragNormal = vec3(invViewMat * vec4(normal, 0.0));
+
+    float diffuseDot = dot(fragNormal, getLightDirection(light));
     
     // need to catch normals perpendicular to the projection plane hence the magic number for the threshold
     // it should be just 0, but we have innacurracy so we need to overshoot

libraries/render-utils/src/Model.cpp

@@ -687,6 +687,12 @@ bool Model::renderCore(float alpha, RenderMode mode, RenderArgs* args) {
     _renderBatch.clear();
     gpu::Batch& batch = _renderBatch;
 
+    if (args) {
+        glm::mat4 proj;
+        args->_viewFrustum->evalProjectionMatrix(proj); 
+        batch.setProjectionTransform(proj);
+    }
+
     // Capture the view matrix once for the rendering of this model
     if (_transforms.empty()) {
         _transforms.push_back(Transform());
@@ -1659,26 +1665,26 @@ void Model::setupBatchTransform(gpu::Batch& batch) {
 void Model::endScene(RenderMode mode, RenderArgs* args) {
     PROFILE_RANGE(__FUNCTION__);
 
-    
+    #if defined(ANDROID)
+    #else
+        glPushMatrix();
+    #endif
+
     RenderArgs::RenderSide renderSide = RenderArgs::MONO;
     if (args) {
         renderSide = args->_renderSide;
     }
 
+    gpu::GLBackend backend;
+
     if (args) {
         glm::mat4 proj;
         args->_viewFrustum->evalProjectionMatrix(proj); 
         gpu::Batch batch;
         batch.setProjectionTransform(proj);
-        ::gpu::GLBackend::renderBatch(batch);
-        
+        backend.render(batch);
     }
 
-    _viewState->getViewTransform();
-    // apply entity translation offset to the viewTransform  in one go (it's a preTranslate because viewTransform goes from world to eye space)
-    _transforms[0].preTranslate(-_translation);
-
-
     // Do the rendering batch creation for mono or left eye, not for right eye
     if (renderSide != RenderArgs::STEREO_RIGHT) {
         // Let's introduce a gpu::Batch to capture all the calls to the graphics api
@@ -1833,19 +1839,15 @@ void Model::endScene(RenderMode mode, RenderArgs* args) {
     // Render!
     {
         PROFILE_RANGE("render Batch");
-         #if defined(ANDROID)
-        #else
-            glPushMatrix();
-        #endif
-
-        ::gpu::GLBackend::renderBatch(_sceneRenderBatch);
-
-        #if defined(ANDROID)
-        #else
-            glPopMatrix();
-        #endif
+        backend.render(_sceneRenderBatch);
     }
 
+
+    #if defined(ANDROID)
+    #else
+        glPopMatrix();
+    #endif
+
     // restore all the default material settings
     _viewState->setupWorldLight();
     

libraries/render-utils/src/model.slv

@@ -11,19 +11,14 @@
 //  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
 //
 
-<@include gpu/Transform.slh@>
+//include gpu/Transform.slh
 const int MAX_TEXCOORDS = 2;
 
-<$inputPosition(vin_position)$>
-<$inputNormal(vin_normal)$>
-<$inputTexcoord(vin_texcoord)$>
-<$inputColor(vin_color)$>
-
 uniform mat4 texcoordMatrices[MAX_TEXCOORDS];
 
 // the interpolated normal
 varying vec4 normal;
-
+/*
 void main(void) {
     // transform and store the normal for interpolation
     normal = normalize(gl_ModelViewMatrix * vec4(gl_Normal, 0.0));
@@ -37,10 +32,9 @@ void main(void) {
     // use standard pipeline transform
     gl_Position = gl_ModelViewProjectionMatrix * vec4(vin_position, 1.0);
 }
+*/
 
 
-
-/*
 void main(void) {
     // transform and store the normal for interpolation
     normal = normalize(gl_ModelViewMatrix * vec4(gl_Normal, 0.0));
@@ -54,4 +48,3 @@ void main(void) {
     // use standard pipeline transform
     gl_Position = ftransform();
 }
-*/