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-rw-r--r--demos/boxes/scene.cpp152
1 files changed, 79 insertions, 73 deletions
diff --git a/demos/boxes/scene.cpp b/demos/boxes/scene.cpp
index 1040e17..e2aa16b 100644
--- a/demos/boxes/scene.cpp
+++ b/demos/boxes/scene.cpp
@@ -39,7 +39,10 @@
**
****************************************************************************/
+#include <QDebug>
#include "scene.h"
+#include <QtGui/qmatrix4x4.h>
+#include <QtGui/qvector3d.h>
#include "3rdparty/fbm.h"
@@ -484,9 +487,9 @@ Scene::Scene(int width, int height, int maxTextureSize)
{
setSceneRect(0, 0, width, height);
- m_trackBalls[0] = TrackBall(0.0005f, gfx::Vector3f::vector(0, 1, 0), TrackBall::Sphere);
- m_trackBalls[1] = TrackBall(0.0001f, gfx::Vector3f::vector(0, 0, 1), TrackBall::Sphere);
- m_trackBalls[2] = TrackBall(0.0f, gfx::Vector3f::vector(0, 1, 0), TrackBall::Plane);
+ m_trackBalls[0] = TrackBall(0.05f, QVector3D(0, 1, 0), TrackBall::Sphere);
+ m_trackBalls[1] = TrackBall(0.005f, QVector3D(0, 0, 1), TrackBall::Sphere);
+ m_trackBalls[2] = TrackBall(0.0f, QVector3D(0, 1, 0), TrackBall::Plane);
m_renderOptions = new RenderOptionsDialog;
m_renderOptions->move(20, 120);
@@ -531,11 +534,11 @@ Scene::~Scene()
if (texture) delete texture;
if (m_mainCubemap)
delete m_mainCubemap;
- foreach (GLProgram *program, m_programs)
+ foreach (QGLShaderProgram *program, m_programs)
if (program) delete program;
if (m_vertexShader)
delete m_vertexShader;
- foreach (GLFragmentShader *shader, m_fragmentShaders)
+ foreach (QGLShader *shader, m_fragmentShaders)
if (shader) delete shader;
foreach (GLRenderTargetCube *rt, m_cubemaps)
if (rt) delete rt;
@@ -549,16 +552,18 @@ void Scene::initGL()
{
m_box = new GLRoundedBox(0.25f, 1.0f, 10);
- m_vertexShader = new GLVertexShader(":/res/boxes/basic.vsh");
+ m_vertexShader = new QGLShader(":/res/boxes/basic.vsh", QGLShader::VertexShader);
QStringList list;
list << ":/res/boxes/cubemap_posx.jpg" << ":/res/boxes/cubemap_negx.jpg" << ":/res/boxes/cubemap_posy.jpg"
<< ":/res/boxes/cubemap_negy.jpg" << ":/res/boxes/cubemap_posz.jpg" << ":/res/boxes/cubemap_negz.jpg";
m_environment = new GLTextureCube(list, qMin(1024, m_maxTextureSize));
- m_environmentShader = new GLFragmentShader(environmentShaderText, strlen(environmentShaderText));
- m_environmentProgram = new GLProgram;
- m_environmentProgram->attach(*m_vertexShader);
- m_environmentProgram->attach(*m_environmentShader);
+ m_environmentShader = new QGLShader(QGLShader::FragmentShader);
+ m_environmentShader->setSourceCode(environmentShaderText);
+ m_environmentProgram = new QGLShaderProgram;
+ m_environmentProgram->addShader(m_vertexShader);
+ m_environmentProgram->addShader(m_environmentShader);
+ m_environmentProgram->link();
const int NOISE_SIZE = 128; // for a different size, B and BM in fbm.c must also be changed
m_noise = new GLTexture3D(NOISE_SIZE, NOISE_SIZE, NOISE_SIZE);
@@ -610,12 +615,12 @@ void Scene::initGL()
filter = QStringList("*.fsh");
files = QDir(":/res/boxes/").entryInfoList(filter, QDir::Files | QDir::Readable);
foreach (QFileInfo file, files) {
- GLProgram *program = new GLProgram;
- GLFragmentShader* shader = new GLFragmentShader(file.absoluteFilePath());
+ QGLShaderProgram *program = new QGLShaderProgram;
+ QGLShader* shader = new QGLShader(file.absoluteFilePath(), QGLShader::FragmentShader);
// The program does not take ownership over the shaders, so store them in a vector so they can be deleted afterwards.
- program->attach(*m_vertexShader);
- program->attach(*shader);
- if (program->failed()) {
+ program->addShader(m_vertexShader);
+ program->addShader(shader);
+ if (!program->link()) {
qWarning("Failed to compile and link shader program");
qWarning("Vertex shader log:");
qWarning() << m_vertexShader->log();
@@ -633,22 +638,22 @@ void Scene::initGL()
m_programs << program;
m_renderOptions->addShader(file.baseName());
- program->bind();
- m_cubemaps << (program->hasParameter("env") ? new GLRenderTargetCube(qMin(256, m_maxTextureSize)) : 0);
- program->unbind();
+ program->enable();
+ m_cubemaps << ((program->uniformLocation("env") != -1) ? new GLRenderTargetCube(qMin(256, m_maxTextureSize)) : 0);
+ program->disable();
}
if (m_programs.size() == 0)
- m_programs << new GLProgram;
+ m_programs << new QGLShaderProgram;
m_renderOptions->emitParameterChanged();
}
// If one of the boxes should not be rendered, set excludeBox to its index.
// If the main box should not be rendered, set excludeBox to -1.
-void Scene::renderBoxes(const gfx::Matrix4x4f &view, int excludeBox)
+void Scene::renderBoxes(const QMatrix4x4 &view, int excludeBox)
{
- gfx::Matrix4x4f invView = view.inverse();
+ QMatrix4x4 invView = view.inverted();
// If multi-texturing is supported, use three saplers.
if (glActiveTexture) {
@@ -664,26 +669,26 @@ void Scene::renderBoxes(const gfx::Matrix4x4f &view, int excludeBox)
glDisable(GL_LIGHTING);
glDisable(GL_CULL_FACE);
- gfx::Matrix4x4f viewRotation(view);
+ QMatrix4x4 viewRotation(view);
viewRotation(3, 0) = viewRotation(3, 1) = viewRotation(3, 2) = 0.0f;
viewRotation(0, 3) = viewRotation(1, 3) = viewRotation(2, 3) = 0.0f;
viewRotation(3, 3) = 1.0f;
- glLoadMatrixf(viewRotation.bits());
+ glLoadMatrixf(viewRotation.data());
glScalef(20.0f, 20.0f, 20.0f);
// Don't render the environment if the environment texture can't be set for the correct sampler.
if (glActiveTexture) {
m_environment->bind();
- m_environmentProgram->bind();
- m_environmentProgram->setInt("tex", 0);
- m_environmentProgram->setInt("env", 1);
- m_environmentProgram->setInt("noise", 2);
+ m_environmentProgram->enable();
+ m_environmentProgram->setUniformValue("tex", GLint(0));
+ m_environmentProgram->setUniformValue("env", GLint(1));
+ m_environmentProgram->setUniformValue("noise", GLint(2));
m_box->draw();
- m_environmentProgram->unbind();
+ m_environmentProgram->disable();
m_environment->unbind();
}
- glLoadMatrixf(view.bits());
+ glLoadMatrixf(view.data());
glEnable(GL_CULL_FACE);
glEnable(GL_LIGHTING);
@@ -693,9 +698,11 @@ void Scene::renderBoxes(const gfx::Matrix4x4f &view, int excludeBox)
continue;
glPushMatrix();
- gfx::Matrix4x4f m;
- m_trackBalls[1].rotation().matrix(m);
- glMultMatrixf(m.bits());
+ QMatrix4x4 m;
+ m.rotate(m_trackBalls[1].rotation());
+ m = m.transposed();
+
+ glMultMatrixf(m.data());
glRotatef(360.0f * i / m_programs.size(), 0.0f, 0.0f, 1.0f);
glTranslatef(2.0f, 0.0f, 0.0f);
@@ -707,14 +714,14 @@ void Scene::renderBoxes(const gfx::Matrix4x4f &view, int excludeBox)
else
m_environment->bind();
}
- m_programs[i]->bind();
- m_programs[i]->setInt("tex", 0);
- m_programs[i]->setInt("env", 1);
- m_programs[i]->setInt("noise", 2);
- m_programs[i]->setMatrix("view", view);
- m_programs[i]->setMatrix("invView", invView);
+ m_programs[i]->enable();
+ m_programs[i]->setUniformValue("tex", GLint(0));
+ m_programs[i]->setUniformValue("env", GLint(1));
+ m_programs[i]->setUniformValue("noise", GLint(2));
+ m_programs[i]->setUniformValue("view", view);
+ m_programs[i]->setUniformValue("invView", invView);
m_box->draw();
- m_programs[i]->unbind();
+ m_programs[i]->disable();
if (glActiveTexture) {
if (m_dynamicCubemap && m_cubemaps[i])
@@ -726,9 +733,10 @@ void Scene::renderBoxes(const gfx::Matrix4x4f &view, int excludeBox)
}
if (-1 != excludeBox) {
- gfx::Matrix4x4f m;
- m_trackBalls[0].rotation().matrix(m);
- glMultMatrixf(m.bits());
+ QMatrix4x4 m;
+ m.rotate(m_trackBalls[0].rotation());
+ m = m.transposed();
+ glMultMatrixf(m.data());
if (glActiveTexture) {
if (m_dynamicCubemap)
@@ -737,14 +745,14 @@ void Scene::renderBoxes(const gfx::Matrix4x4f &view, int excludeBox)
m_environment->bind();
}
- m_programs[m_currentShader]->bind();
- m_programs[m_currentShader]->setInt("tex", 0);
- m_programs[m_currentShader]->setInt("env", 1);
- m_programs[m_currentShader]->setInt("noise", 2);
- m_programs[m_currentShader]->setMatrix("view", view);
- m_programs[m_currentShader]->setMatrix("invView", invView);
+ m_programs[m_currentShader]->enable();
+ m_programs[m_currentShader]->setUniformValue("tex", GLint(0));
+ m_programs[m_currentShader]->setUniformValue("env", GLint(1));
+ m_programs[m_currentShader]->setUniformValue("noise", GLint(2));
+ m_programs[m_currentShader]->setUniformValue("view", view);
+ m_programs[m_currentShader]->setUniformValue("invView", invView);
m_box->draw();
- m_programs[m_currentShader]->unbind();
+ m_programs[m_currentShader]->disable();
if (glActiveTexture) {
if (m_dynamicCubemap)
@@ -829,31 +837,32 @@ void Scene::renderCubemaps()
// To speed things up, only update the cubemaps for the small cubes every N frames.
const int N = (m_updateAllCubemaps ? 1 : 3);
- gfx::Matrix4x4f mat;
+ QMatrix4x4 mat;
GLRenderTargetCube::getProjectionMatrix(mat, 0.1f, 100.0f);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
- glLoadMatrixf(mat.bits());
+ glLoadMatrixf(mat.data());
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
- gfx::Vector3f center;
+ QVector3D center;
for (int i = m_frame % N; i < m_cubemaps.size(); i += N) {
if (0 == m_cubemaps[i])
continue;
float angle = 2.0f * PI * i / m_cubemaps.size();
- center = m_trackBalls[1].rotation().transform(gfx::Vector3f::vector(cos(angle), sin(angle), 0));
+
+ center = m_trackBalls[1].rotation().rotateVector(QVector3D(cos(angle), sin(angle), 0.0f));
for (int face = 0; face < 6; ++face) {
m_cubemaps[i]->begin(face);
GLRenderTargetCube::getViewMatrix(mat, face);
- gfx::Vector4f v = gfx::Vector4f::vector(-center[0], -center[1], -center[2], 1.0);
- mat[3] = v * mat;
+ QVector4D v = QVector4D(-center.x(), -center.y(), -center.z(), 1.0);
+ mat.setColumn(3, v * mat);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
renderBoxes(mat, i);
@@ -897,12 +906,9 @@ void Scene::drawBackground(QPainter *painter, const QRectF &)
glMatrixMode(GL_MODELVIEW);
- //gfx::Matrix4x4f view = gfx::Matrix4x4f::identity();
- //view(3, 2) -= 2.0f * exp(m_distExp / 1200.0f);
-
- gfx::Matrix4x4f view;
- m_trackBalls[2].rotation().matrix(view);
- view(3, 2) -= 2.0f * exp(m_distExp / 1200.0f);
+ QMatrix4x4 view;
+ view.rotate(m_trackBalls[2].rotation());
+ view(2, 3) -= 2.0f * exp(m_distExp / 1200.0f);
renderBoxes(view);
defaultStates();
@@ -936,10 +942,10 @@ void Scene::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
}
if (event->buttons() & Qt::MidButton) {
- m_trackBalls[2].move(pixelPosToViewPos(event->scenePos()), gfx::Quaternionf::identity());
+ m_trackBalls[2].move(pixelPosToViewPos(event->scenePos()), QQuaternion());
event->accept();
} else {
- m_trackBalls[2].release(pixelPosToViewPos(event->scenePos()), gfx::Quaternionf::identity());
+ m_trackBalls[2].release(pixelPosToViewPos(event->scenePos()), QQuaternion());
}
}
@@ -960,7 +966,7 @@ void Scene::mousePressEvent(QGraphicsSceneMouseEvent *event)
}
if (event->buttons() & Qt::MidButton) {
- m_trackBalls[2].push(pixelPosToViewPos(event->scenePos()), gfx::Quaternionf::identity());
+ m_trackBalls[2].push(pixelPosToViewPos(event->scenePos()), QQuaternion());
event->accept();
}
}
@@ -982,7 +988,7 @@ void Scene::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
}
if (event->button() == Qt::MidButton) {
- m_trackBalls[2].release(pixelPosToViewPos(event->scenePos()), gfx::Quaternionf::identity());
+ m_trackBalls[2].release(pixelPosToViewPos(event->scenePos()), QQuaternion());
event->accept();
}
}
@@ -1021,20 +1027,20 @@ void Scene::toggleDynamicCubemap(int state)
void Scene::setColorParameter(const QString &name, QRgb color)
{
// set the color in all programs
- foreach (GLProgram *program, m_programs) {
- program->bind();
- program->setColor(name, color);
- program->unbind();
+ foreach (QGLShaderProgram *program, m_programs) {
+ program->enable();
+ program->setUniformValue(program->uniformLocation(name), QColor(color));
+ program->disable();
}
}
void Scene::setFloatParameter(const QString &name, float value)
{
// set the color in all programs
- foreach (GLProgram *program, m_programs) {
- program->bind();
- program->setFloat(name, value);
- program->unbind();
+ foreach (QGLShaderProgram *program, m_programs) {
+ program->enable();
+ program->setUniformValue(program->uniformLocation(name), value);
+ program->disable();
}
}
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