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add combobox to select software/opengl rendering to compare

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This commit is contained in:
Erwin Coumans
2016-05-18 17:57:13 -07:00
parent 7994a339ee
commit fb2134f15f
4 changed files with 108 additions and 63 deletions
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159
examples/RenderingExamples/TinyRendererSetup.cpp
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@@ -15,6 +15,7 @@
#include "../ExampleBrowser/CollisionShape2TriangleMesh.h"
#include "../Importers/ImportMeshUtility/b3ImportMeshUtility.h"
#include "../OpenGLWindow/GLInstanceGraphicsShape.h"
#include "../CommonInterfaces/CommonParameterInterface.h"
struct TinyRendererSetup : public CommonExampleInterface
{
@@ -22,6 +23,7 @@ struct TinyRendererSetup : public CommonExampleInterface
struct GUIHelperInterface* m_guiHelper;
struct CommonGraphicsApp* m_app;
struct TinyRendererSetupInternalData* m_internalData;
bool m_useSoftware;
TinyRendererSetup(struct GUIHelperInterface* guiHelper);
@@ -47,6 +49,11 @@ struct TinyRendererSetup : public CommonExampleInterface
virtual void renderScene()
{
}
void selectRenderer(int rendererIndex)
{
m_useSoftware = (rendererIndex==0);
}
};
struct TinyRendererSetupInternalData
@@ -105,7 +112,7 @@ struct TinyRendererSetupInternalData
//ob->createCube(0.5,0.5,0.5);//createCube
ob->loadModel("cube.obj");
ob->loadModel("textured_sphere_smooth.obj");//cube.obj");
m_renderObjects.push_back(ob);
//ob->registerMesh2(vertexPositions,vertexNormals,indicesOut);
}
@@ -141,11 +148,12 @@ struct TinyRendererSetupInternalData
TinyRendererSetup::TinyRendererSetup(struct GUIHelperInterface* gui)
{
m_useSoftware = true;
m_guiHelper = gui;
m_app = gui->getAppInterface();
m_internalData = new TinyRendererSetupInternalData(gui->getAppInterface()->m_window->getWidth(),gui->getAppInterface()->m_window->getHeight());
m_app->m_renderer->enableBlend(true);
const char* fileName = "cube.obj";
const char* fileName = "textured_sphere_smooth.obj";//cube.obj";
{
@@ -156,7 +164,7 @@ TinyRendererSetup::TinyRendererSetup(struct GUIHelperInterface* gui)
b3ImportMeshData meshData;
if (b3ImportMeshUtility::loadAndRegisterMeshFromFileInternal(fileName, meshData))
{
int textureIndex = 0;
int textureIndex = -1;
if (meshData.m_textureImage)
{
@@ -209,6 +217,26 @@ TinyRendererSetup::~TinyRendererSetup()
delete m_internalData;
}
const char* items[] = {"Software", "OpenGL"};
void TinyRendererComboCallback(int combobox, const char* item, void* userPointer)
{
TinyRendererSetup* cl = (TinyRendererSetup*) userPointer;
b3Assert(cl);
int index=-1;
int numItems = sizeof(items)/sizeof(char*);
for (int i=0;i<numItems;i++)
{
if (!strcmp(item,items[i]))
{
index = i;
}
}
cl->selectRenderer(index);
}
void TinyRendererSetup::initPhysics()
{
//request a visual bitma/texture we can render to
@@ -218,6 +246,16 @@ void TinyRendererSetup::initPhysics()
CommonRenderInterface* render = m_app->m_renderer;
m_internalData->m_textureHandle = render->registerTexture(m_internalData->m_rgbColorBuffer.buffer(),m_internalData->m_width,m_internalData->m_height);
ComboBoxParams comboParams;
comboParams.m_userPointer = this;
comboParams.m_numItems=sizeof(items)/sizeof(char*);
comboParams.m_startItem = 0;
comboParams.m_items=items;
comboParams.m_callback =TinyRendererComboCallback;
m_guiHelper->getParameterInterface()->registerComboBox( comboParams);
}
@@ -229,66 +267,69 @@ void TinyRendererSetup::exitPhysics()
void TinyRendererSetup::stepSimulation(float deltaTime)
{
m_guiHelper->getRenderInterface()->renderScene();
m_internalData->updateTransforms();
TGAColor clearColor;
clearColor.bgra[0] = 255;
clearColor.bgra[1] = 255;
clearColor.bgra[2] = 255;
clearColor.bgra[3] = 255;
for(int y=0;y<m_internalData->m_height;++y)
{
for(int x=0;x<m_internalData->m_width;++x)
{
m_internalData->m_rgbColorBuffer.set(x,y,clearColor);
m_internalData->m_depthBuffer[x+y*m_internalData->m_width] = -1e30f;
}
}
if (!m_useSoftware)
{
m_guiHelper->getRenderInterface()->renderScene();
} else
{
m_internalData->updateTransforms();
TGAColor clearColor;
clearColor.bgra[0] = 200;
clearColor.bgra[1] = 200;
clearColor.bgra[2] = 200;
clearColor.bgra[3] = 255;
for(int y=0;y<m_internalData->m_height;++y)
{
for(int x=0;x<m_internalData->m_width;++x)
{
m_internalData->m_rgbColorBuffer.set(x,y,clearColor);
m_internalData->m_depthBuffer[x+y*m_internalData->m_width] = -1e30f;
}
}
ATTRIBUTE_ALIGNED16(btScalar modelMat2[16]);
ATTRIBUTE_ALIGNED16(float viewMat[16]);
ATTRIBUTE_ALIGNED16(float projMat[16]);
CommonRenderInterface* render = this->m_app->m_renderer;
render->getActiveCamera()->getCameraViewMatrix(viewMat);
render->getActiveCamera()->getCameraProjectionMatrix(projMat);
ATTRIBUTE_ALIGNED16(btScalar modelMat2[16]);
ATTRIBUTE_ALIGNED16(float viewMat[16]);
ATTRIBUTE_ALIGNED16(float projMat[16]);
CommonRenderInterface* render = this->m_app->m_renderer;
render->getActiveCamera()->getCameraViewMatrix(viewMat);
render->getActiveCamera()->getCameraProjectionMatrix(projMat);
for (int o=0;o<this->m_internalData->m_renderObjects.size();o++)
{
const btTransform& tr = m_internalData->m_transforms[o];
tr.getOpenGLMatrix(modelMat2);
for (int i=0;i<4;i++)
{
for (int j=0;j<4;j++)
{
m_internalData->m_renderObjects[o]->m_modelMatrix[i][j] = float(modelMat2[i+4*j]);
m_internalData->m_renderObjects[o]->m_viewMatrix[i][j] = viewMat[i+4*j];
m_internalData->m_renderObjects[o]->m_projectionMatrix[i][j] = projMat[i+4*j];
float eye[4];
float center[4];
render->getActiveCamera()->getCameraPosition(eye);
render->getActiveCamera()->getCameraTargetPosition(center);
for (int o=0;o<this->m_internalData->m_renderObjects.size();o++)
{
const btTransform& tr = m_internalData->m_transforms[o];
tr.getOpenGLMatrix(modelMat2);
for (int i=0;i<4;i++)
{
for (int j=0;j<4;j++)
{
m_internalData->m_renderObjects[o]->m_modelMatrix[i][j] = float(modelMat2[i+4*j]);
m_internalData->m_renderObjects[o]->m_viewMatrix[i][j] = viewMat[i+4*j];
m_internalData->m_renderObjects[o]->m_projectionMatrix[i][j] = projMat[i+4*j];
float eye[4];
float center[4];
render->getActiveCamera()->getCameraPosition(eye);
render->getActiveCamera()->getCameraTargetPosition(center);
m_internalData->m_renderObjects[o]->m_eye.setValue(eye[0],eye[1],eye[2]);
m_internalData->m_renderObjects[o]->m_center.setValue(center[0],center[1],center[2]);
}
}
TinyRenderer::renderObject(*m_internalData->m_renderObjects[o]);
}
//m_app->drawText("hello",500,500);
render->activateTexture(m_internalData->m_textureHandle);
render->updateTexture(m_internalData->m_textureHandle,m_internalData->m_rgbColorBuffer.buffer());
float color[4] = {1,1,1,0.5};
m_app->drawTexturedRect(0,0,m_app->m_window->getWidth(), m_app->m_window->getHeight(),color,0,0,1,1,true);
m_internalData->m_renderObjects[o]->m_eye.setValue(eye[0],eye[1],eye[2]);
m_internalData->m_renderObjects[o]->m_center.setValue(center[0],center[1],center[2]);
}
}
TinyRenderer::renderObject(*m_internalData->m_renderObjects[o]);
}
//m_app->drawText("hello",500,500);
render->activateTexture(m_internalData->m_textureHandle);
render->updateTexture(m_internalData->m_textureHandle,m_internalData->m_rgbColorBuffer.buffer());
float color[4] = {1,1,1,0.5};
m_app->drawTexturedRect(0,0,m_app->m_window->getWidth(), m_app->m_window->getHeight(),color,0,0,1,1,true);
}
}