void RearMirrorTools::displayIcon(QRect bounds, QRect iconBounds, GLuint textureId, bool selected) {
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(bounds.left(), bounds.right(), bounds.bottom(), bounds.top(), -1.0, 1.0);
glDisable(GL_DEPTH_TEST);
glDisable(GL_LIGHTING);
glEnable(GL_TEXTURE_2D);
if (selected) {
glColor3f(.5f, .5f, .5f);
} else {
glColor3f(1, 1, 1);
}
glBindTexture(GL_TEXTURE_2D, textureId);
glm::vec2 topLeft(iconBounds.left(), iconBounds.top());
glm::vec2 bottomRight(iconBounds.right(), iconBounds.bottom());
glm::vec2 texCoordTopLeft(0.0f, 1.0f);
glm::vec2 texCoordBottomRight(1.0f, 0.0f);
DependencyManager::get<GeometryCache>()->renderQuad(topLeft, bottomRight, texCoordTopLeft, texCoordBottomRight);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
}
void Image3DOverlay::render(RenderArgs* args) {
if (!_isLoaded) {
_isLoaded = true;
_texture = DependencyManager::get<TextureCache>()->getTexture(_url);
}
if (!_visible || !getParentVisible() || !_texture || !_texture->isLoaded()) {
return;
}
Q_ASSERT(args->_batch);
gpu::Batch* batch = args->_batch;
float imageWidth = _texture->getWidth();
float imageHeight = _texture->getHeight();
QRect fromImage;
if (_fromImage.isNull()) {
fromImage.setX(0);
fromImage.setY(0);
fromImage.setWidth(imageWidth);
fromImage.setHeight(imageHeight);
} else {
float scaleX = imageWidth / _texture->getOriginalWidth();
float scaleY = imageHeight / _texture->getOriginalHeight();
fromImage.setX(scaleX * _fromImage.x());
fromImage.setY(scaleY * _fromImage.y());
fromImage.setWidth(scaleX * _fromImage.width());
fromImage.setHeight(scaleY * _fromImage.height());
}
float maxSize = glm::max(fromImage.width(), fromImage.height());
float x = fromImage.width() / (2.0f * maxSize);
float y = -fromImage.height() / (2.0f * maxSize);
glm::vec2 topLeft(-x, -y);
glm::vec2 bottomRight(x, y);
glm::vec2 texCoordTopLeft(fromImage.x() / imageWidth, fromImage.y() / imageHeight);
glm::vec2 texCoordBottomRight((fromImage.x() + fromImage.width()) / imageWidth,
(fromImage.y() + fromImage.height()) / imageHeight);
const float MAX_COLOR = 255.0f;
xColor color = getColor();
float alpha = getAlpha();
applyTransformTo(_transform, true);
Transform transform = _transform;
transform.postScale(glm::vec3(getDimensions(), 1.0f));
batch->setModelTransform(transform);
batch->setResourceTexture(0, _texture->getGPUTexture());
DependencyManager::get<GeometryCache>()->renderQuad(
*batch, topLeft, bottomRight, texCoordTopLeft, texCoordBottomRight,
glm::vec4(color.red / MAX_COLOR, color.green / MAX_COLOR, color.blue / MAX_COLOR, alpha)
);
batch->setResourceTexture(0, args->_whiteTexture); // restore default white color after me
}
void renderFullscreenQuad(float sMin, float sMax, float tMin, float tMax) {
glm::vec4 color(1.0f, 1.0f, 1.0f, 1.0f);
glm::vec2 topLeft(-1.0f, -1.0f);
glm::vec2 bottomRight(1.0f, 1.0f);
glm::vec2 texCoordTopLeft(sMin, tMin);
glm::vec2 texCoordBottomRight(sMax, tMax);
DependencyManager::get<GeometryCache>()->renderQuad(topLeft, bottomRight, texCoordTopLeft, texCoordBottomRight, color);
}
void CameraToolBox::render(int x, int y, bool boxed) {
glEnable(GL_TEXTURE_2D);
if (!_enabledTexture) {
_enabledTexture = DependencyManager::get<TextureCache>()->getImageTexture(PathUtils::resourcesPath() + "images/face.svg");
}
if (!_mutedTexture) {
_mutedTexture = DependencyManager::get<TextureCache>()->getImageTexture(PathUtils::resourcesPath() + "images/face-mute.svg");
}
const int MUTE_ICON_SIZE = 24;
_iconBounds = QRect(x, y, MUTE_ICON_SIZE, MUTE_ICON_SIZE);
float iconColor = 1.0f;
if (!Menu::getInstance()->isOptionChecked(MenuOption::MuteFaceTracking)) {
glBindTexture(GL_TEXTURE_2D, gpu::GLBackend::getTextureID(_enabledTexture));
} else {
glBindTexture(GL_TEXTURE_2D, gpu::GLBackend::getTextureID(_mutedTexture));
// Make muted icon pulsate
static const float PULSE_MIN = 0.4f;
static const float PULSE_MAX = 1.0f;
static const float PULSE_FREQUENCY = 1.0f; // in Hz
qint64 now = usecTimestampNow();
if (now - _iconPulseTimeReference > (qint64)USECS_PER_SECOND) {
// Prevents t from getting too big, which would diminish glm::cos precision
_iconPulseTimeReference = now - ((now - _iconPulseTimeReference) % USECS_PER_SECOND);
}
float t = (float)(now - _iconPulseTimeReference) / (float)USECS_PER_SECOND;
float pulseFactor = (glm::cos(t * PULSE_FREQUENCY * 2.0f * PI) + 1.0f) / 2.0f;
iconColor = PULSE_MIN + (PULSE_MAX - PULSE_MIN) * pulseFactor;
}
glm::vec4 quadColor(iconColor, iconColor, iconColor, 1.0f);
glm::vec2 topLeft(_iconBounds.left(), _iconBounds.top());
glm::vec2 bottomRight(_iconBounds.right(), _iconBounds.bottom());
glm::vec2 texCoordTopLeft(1,1);
glm::vec2 texCoordBottomRight(0,0);
if (_boxQuadID == GeometryCache::UNKNOWN_ID) {
_boxQuadID = DependencyManager::get<GeometryCache>()->allocateID();
}
DependencyManager::get<GeometryCache>()->renderQuad(topLeft, bottomRight, texCoordTopLeft, texCoordBottomRight, quadColor, _boxQuadID);
glDisable(GL_TEXTURE_2D);
}
void DeferredLightingEffect::render(const render::RenderContextPointer& renderContext) {
auto args = renderContext->args;
gpu::doInBatch(args->_context, [&](gpu::Batch& batch) {
// Allocate the parameters buffer used by all the deferred shaders
if (!_deferredTransformBuffer[0]._buffer) {
DeferredTransform parameters;
_deferredTransformBuffer[0] = gpu::BufferView(std::make_shared<gpu::Buffer>(sizeof(DeferredTransform), (const gpu::Byte*) ¶meters));
_deferredTransformBuffer[1] = gpu::BufferView(std::make_shared<gpu::Buffer>(sizeof(DeferredTransform), (const gpu::Byte*) ¶meters));
}
// Framebuffer copy operations cannot function as multipass stereo operations.
batch.enableStereo(false);
// perform deferred lighting, rendering to free fbo
auto framebufferCache = DependencyManager::get<FramebufferCache>();
auto textureCache = DependencyManager::get<TextureCache>();
QSize framebufferSize = framebufferCache->getFrameBufferSize();
// binding the first framebuffer
auto lightingFBO = framebufferCache->getLightingFramebuffer();
batch.setFramebuffer(lightingFBO);
batch.setViewportTransform(args->_viewport);
batch.setStateScissorRect(args->_viewport);
// Bind the G-Buffer surfaces
batch.setResourceTexture(DEFERRED_BUFFER_COLOR_UNIT, framebufferCache->getDeferredColorTexture());
batch.setResourceTexture(DEFERRED_BUFFER_NORMAL_UNIT, framebufferCache->getDeferredNormalTexture());
batch.setResourceTexture(DEFERRED_BUFFER_EMISSIVE_UNIT, framebufferCache->getDeferredSpecularTexture());
batch.setResourceTexture(DEFERRED_BUFFER_DEPTH_UNIT, framebufferCache->getPrimaryDepthTexture());
// FIXME: Different render modes should have different tasks
if (args->_renderMode == RenderArgs::DEFAULT_RENDER_MODE && _ambientOcclusionEnabled) {
batch.setResourceTexture(DEFERRED_BUFFER_OBSCURANCE_UNIT, framebufferCache->getOcclusionTexture());
} else {
// need to assign the white texture if ao is off
batch.setResourceTexture(DEFERRED_BUFFER_OBSCURANCE_UNIT, textureCache->getWhiteTexture());
}
assert(_lightStage.lights.size() > 0);
const auto& globalShadow = _lightStage.lights[0]->shadow;
// Bind the shadow buffer
batch.setResourceTexture(SHADOW_MAP_UNIT, globalShadow.map);
// THe main viewport is assumed to be the mono viewport (or the 2 stereo faces side by side within that viewport)
auto monoViewport = args->_viewport;
float sMin = args->_viewport.x / (float)framebufferSize.width();
float sWidth = args->_viewport.z / (float)framebufferSize.width();
float tMin = args->_viewport.y / (float)framebufferSize.height();
float tHeight = args->_viewport.w / (float)framebufferSize.height();
// The view frustum is the mono frustum base
auto viewFrustum = args->_viewFrustum;
// Eval the mono projection
mat4 monoProjMat;
viewFrustum->evalProjectionMatrix(monoProjMat);
// The mono view transform
Transform monoViewTransform;
viewFrustum->evalViewTransform(monoViewTransform);
// THe mono view matrix coming from the mono view transform
glm::mat4 monoViewMat;
monoViewTransform.getMatrix(monoViewMat);
// Running in stero ?
bool isStereo = args->_context->isStereo();
int numPasses = 1;
mat4 projMats[2];
Transform viewTransforms[2];
ivec4 viewports[2];
vec4 clipQuad[2];
vec2 screenBottomLeftCorners[2];
vec2 screenTopRightCorners[2];
vec4 fetchTexcoordRects[2];
DeferredTransform deferredTransforms[2];
auto geometryCache = DependencyManager::get<GeometryCache>();
if (isStereo) {
numPasses = 2;
mat4 eyeViews[2];
args->_context->getStereoProjections(projMats);
args->_context->getStereoViews(eyeViews);
float halfWidth = 0.5f * sWidth;
for (int i = 0; i < numPasses; i++) {
// In stereo, the 2 sides are layout side by side in the mono viewport and their width is half
int sideWidth = monoViewport.z >> 1;
viewports[i] = ivec4(monoViewport.x + (i * sideWidth), monoViewport.y, sideWidth, monoViewport.w);
deferredTransforms[i].projection = projMats[i];
auto sideViewMat = monoViewMat * glm::inverse(eyeViews[i]);
viewTransforms[i].evalFromRawMatrix(sideViewMat);
deferredTransforms[i].viewInverse = sideViewMat;
deferredTransforms[i].stereoSide = (i == 0 ? -1.0f : 1.0f);
clipQuad[i] = glm::vec4(sMin + i * halfWidth, tMin, halfWidth, tHeight);
screenBottomLeftCorners[i] = glm::vec2(-1.0f + i * 1.0f, -1.0f);
screenTopRightCorners[i] = glm::vec2(i * 1.0f, 1.0f);
fetchTexcoordRects[i] = glm::vec4(sMin + i * halfWidth, tMin, halfWidth, tHeight);
}
} else {
viewports[0] = monoViewport;
projMats[0] = monoProjMat;
deferredTransforms[0].projection = monoProjMat;
deferredTransforms[0].viewInverse = monoViewMat;
viewTransforms[0] = monoViewTransform;
deferredTransforms[0].stereoSide = 0.0f;
clipQuad[0] = glm::vec4(sMin, tMin, sWidth, tHeight);
screenBottomLeftCorners[0] = glm::vec2(-1.0f, -1.0f);
screenTopRightCorners[0] = glm::vec2(1.0f, 1.0f);
fetchTexcoordRects[0] = glm::vec4(sMin, tMin, sWidth, tHeight);
}
auto eyePoint = viewFrustum->getPosition();
float nearRadius = glm::distance(eyePoint, viewFrustum->getNearTopLeft());
for (int side = 0; side < numPasses; side++) {
// Render in this side's viewport
batch.setViewportTransform(viewports[side]);
batch.setStateScissorRect(viewports[side]);
// Sync and Bind the correct DeferredTransform ubo
_deferredTransformBuffer[side]._buffer->setSubData(0, sizeof(DeferredTransform), (const gpu::Byte*) &deferredTransforms[side]);
batch.setUniformBuffer(_directionalLightLocations->deferredTransformBuffer, _deferredTransformBuffer[side]);
glm::vec2 topLeft(-1.0f, -1.0f);
glm::vec2 bottomRight(1.0f, 1.0f);
glm::vec2 texCoordTopLeft(clipQuad[side].x, clipQuad[side].y);
glm::vec2 texCoordBottomRight(clipQuad[side].x + clipQuad[side].z, clipQuad[side].y + clipQuad[side].w);
// First Global directional light and ambient pass
{
auto& program = _shadowMapEnabled ? _directionalLightShadow : _directionalLight;
LightLocationsPtr locations = _shadowMapEnabled ? _directionalLightShadowLocations : _directionalLightLocations;
const auto& keyLight = _allocatedLights[_globalLights.front()];
// Setup the global directional pass pipeline
{
if (_shadowMapEnabled) {
if (keyLight->getAmbientMap()) {
program = _directionalSkyboxLightShadow;
locations = _directionalSkyboxLightShadowLocations;
} else {
program = _directionalAmbientSphereLightShadow;
locations = _directionalAmbientSphereLightShadowLocations;
}
} else {
if (keyLight->getAmbientMap()) {
program = _directionalSkyboxLight;
locations = _directionalSkyboxLightLocations;
} else {
program = _directionalAmbientSphereLight;
locations = _directionalAmbientSphereLightLocations;
}
}
if (locations->shadowTransformBuffer >= 0) {
batch.setUniformBuffer(locations->shadowTransformBuffer, globalShadow.getBuffer());
}
batch.setPipeline(program);
}
{ // Setup the global lighting
setupKeyLightBatch(batch, locations->lightBufferUnit, SKYBOX_MAP_UNIT);
}
{
batch.setModelTransform(Transform());
batch.setProjectionTransform(glm::mat4());
batch.setViewTransform(Transform());
glm::vec4 color(1.0f, 1.0f, 1.0f, 1.0f);
geometryCache->renderQuad(batch, topLeft, bottomRight, texCoordTopLeft, texCoordBottomRight, color);
}
if (keyLight->getAmbientMap()) {
batch.setResourceTexture(SKYBOX_MAP_UNIT, nullptr);
}
}
auto texcoordMat = glm::mat4();
/* texcoordMat[0] = glm::vec4(sWidth / 2.0f, 0.0f, 0.0f, sMin + sWidth / 2.0f);
texcoordMat[1] = glm::vec4(0.0f, tHeight / 2.0f, 0.0f, tMin + tHeight / 2.0f);
*/ texcoordMat[0] = glm::vec4(fetchTexcoordRects[side].z / 2.0f, 0.0f, 0.0f, fetchTexcoordRects[side].x + fetchTexcoordRects[side].z / 2.0f);
texcoordMat[1] = glm::vec4(0.0f, fetchTexcoordRects[side].w / 2.0f, 0.0f, fetchTexcoordRects[side].y + fetchTexcoordRects[side].w / 2.0f);
texcoordMat[2] = glm::vec4(0.0f, 0.0f, 1.0f, 0.0f);
texcoordMat[3] = glm::vec4(0.0f, 0.0f, 0.0f, 1.0f);
// enlarge the scales slightly to account for tesselation
const float SCALE_EXPANSION = 0.05f;
batch.setProjectionTransform(projMats[side]);
batch.setViewTransform(viewTransforms[side]);
// Splat Point lights
if (!_pointLights.empty()) {
batch.setPipeline(_pointLight);
batch._glUniformMatrix4fv(_pointLightLocations->texcoordMat, 1, false, reinterpret_cast< const float* >(&texcoordMat));
for (auto lightID : _pointLights) {
auto& light = _allocatedLights[lightID];
// IN DEBUG: light->setShowContour(true);
batch.setUniformBuffer(_pointLightLocations->lightBufferUnit, light->getSchemaBuffer());
float expandedRadius = light->getMaximumRadius() * (1.0f + SCALE_EXPANSION);
// TODO: We shouldn;t have to do that test and use a different volume geometry for when inside the vlight volume,
// we should be able to draw thre same geometry use DepthClamp but for unknown reason it's s not working...
if (glm::distance(eyePoint, glm::vec3(light->getPosition())) < expandedRadius + nearRadius) {
Transform model;
model.setTranslation(glm::vec3(0.0f, 0.0f, -1.0f));
batch.setModelTransform(model);
batch.setViewTransform(Transform());
batch.setProjectionTransform(glm::mat4());
glm::vec4 color(1.0f, 1.0f, 1.0f, 1.0f);
DependencyManager::get<GeometryCache>()->renderQuad(batch, topLeft, bottomRight, texCoordTopLeft, texCoordBottomRight, color);
batch.setProjectionTransform(projMats[side]);
batch.setViewTransform(viewTransforms[side]);
} else {
Transform model;
model.setTranslation(glm::vec3(light->getPosition().x, light->getPosition().y, light->getPosition().z));
batch.setModelTransform(model.postScale(expandedRadius));
batch._glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
geometryCache->renderSphere(batch);
}
}
}
// Splat spot lights
if (!_spotLights.empty()) {
batch.setPipeline(_spotLight);
batch._glUniformMatrix4fv(_spotLightLocations->texcoordMat, 1, false, reinterpret_cast< const float* >(&texcoordMat));
for (auto lightID : _spotLights) {
auto light = _allocatedLights[lightID];
// IN DEBUG: light->setShowContour(true);
batch.setUniformBuffer(_spotLightLocations->lightBufferUnit, light->getSchemaBuffer());
auto eyeLightPos = eyePoint - light->getPosition();
auto eyeHalfPlaneDistance = glm::dot(eyeLightPos, light->getDirection());
const float TANGENT_LENGTH_SCALE = 0.666f;
glm::vec4 coneParam(light->getSpotAngleCosSin(), TANGENT_LENGTH_SCALE * tanf(0.5f * light->getSpotAngle()), 1.0f);
float expandedRadius = light->getMaximumRadius() * (1.0f + SCALE_EXPANSION);
// TODO: We shouldn;t have to do that test and use a different volume geometry for when inside the vlight volume,
// we should be able to draw thre same geometry use DepthClamp but for unknown reason it's s not working...
if ((eyeHalfPlaneDistance > -nearRadius) &&
(glm::distance(eyePoint, glm::vec3(light->getPosition())) < expandedRadius + nearRadius)) {
coneParam.w = 0.0f;
batch._glUniform4fv(_spotLightLocations->coneParam, 1, reinterpret_cast< const float* >(&coneParam));
Transform model;
model.setTranslation(glm::vec3(0.0f, 0.0f, -1.0f));
batch.setModelTransform(model);
batch.setViewTransform(Transform());
batch.setProjectionTransform(glm::mat4());
glm::vec4 color(1.0f, 1.0f, 1.0f, 1.0f);
DependencyManager::get<GeometryCache>()->renderQuad(batch, topLeft, bottomRight, texCoordTopLeft, texCoordBottomRight, color);
batch.setProjectionTransform( projMats[side]);
batch.setViewTransform(viewTransforms[side]);
} else {
coneParam.w = 1.0f;
batch._glUniform4fv(_spotLightLocations->coneParam, 1, reinterpret_cast< const float* >(&coneParam));
Transform model;
model.setTranslation(light->getPosition());
model.postRotate(light->getOrientation());
model.postScale(glm::vec3(expandedRadius, expandedRadius, expandedRadius));
batch.setModelTransform(model);
auto mesh = getSpotLightMesh();
batch.setIndexBuffer(mesh->getIndexBuffer());
batch.setInputBuffer(0, mesh->getVertexBuffer());
batch.setInputFormat(mesh->getVertexFormat());
auto& part = mesh->getPartBuffer().get<model::Mesh::Part>();
batch.drawIndexed(model::Mesh::topologyToPrimitive(part._topology), part._numIndices, part._startIndex);
}
}
}
}
// Probably not necessary in the long run because the gpu layer would unbound this texture if used as render target
batch.setResourceTexture(DEFERRED_BUFFER_COLOR_UNIT, nullptr);
batch.setResourceTexture(DEFERRED_BUFFER_NORMAL_UNIT, nullptr);
batch.setResourceTexture(DEFERRED_BUFFER_EMISSIVE_UNIT, nullptr);
batch.setResourceTexture(DEFERRED_BUFFER_DEPTH_UNIT, nullptr);
batch.setResourceTexture(DEFERRED_BUFFER_OBSCURANCE_UNIT, nullptr);
batch.setResourceTexture(SHADOW_MAP_UNIT, nullptr);
batch.setResourceTexture(SKYBOX_MAP_UNIT, nullptr);
batch.setUniformBuffer(_directionalLightLocations->deferredTransformBuffer, nullptr);
});
void Antialiasing::run(const render::RenderContextPointer& renderContext, const gpu::FramebufferPointer& sourceBuffer) {
assert(renderContext->args);
assert(renderContext->args->hasViewFrustum());
RenderArgs* args = renderContext->args;
gpu::doInBatch("Antialiasing::run", args->_context, [&](gpu::Batch& batch) {
batch.enableStereo(false);
batch.setViewportTransform(args->_viewport);
// FIXME: NEED to simplify that code to avoid all the GeometryCahce call, this is purely pixel manipulation
float fbWidth = renderContext->args->_viewport.z;
float fbHeight = renderContext->args->_viewport.w;
// float sMin = args->_viewport.x / fbWidth;
// float sWidth = args->_viewport.z / fbWidth;
// float tMin = args->_viewport.y / fbHeight;
// float tHeight = args->_viewport.w / fbHeight;
glm::mat4 projMat;
Transform viewMat;
args->getViewFrustum().evalProjectionMatrix(projMat);
args->getViewFrustum().evalViewTransform(viewMat);
batch.setProjectionTransform(projMat);
batch.setViewTransform(viewMat, true);
batch.setModelTransform(Transform());
// FXAA step
auto pipeline = getAntialiasingPipeline(renderContext->args);
batch.setResourceTexture(0, sourceBuffer->getRenderBuffer(0));
batch.setFramebuffer(_antialiasingBuffer);
batch.setPipeline(pipeline);
// initialize the view-space unpacking uniforms using frustum data
float left, right, bottom, top, nearVal, farVal;
glm::vec4 nearClipPlane, farClipPlane;
args->getViewFrustum().computeOffAxisFrustum(left, right, bottom, top, nearVal, farVal, nearClipPlane, farClipPlane);
// float depthScale = (farVal - nearVal) / farVal;
// float nearScale = -1.0f / nearVal;
// float depthTexCoordScaleS = (right - left) * nearScale / sWidth;
// float depthTexCoordScaleT = (top - bottom) * nearScale / tHeight;
// float depthTexCoordOffsetS = left * nearScale - sMin * depthTexCoordScaleS;
// float depthTexCoordOffsetT = bottom * nearScale - tMin * depthTexCoordScaleT;
batch._glUniform2f(_texcoordOffsetLoc, 1.0f / fbWidth, 1.0f / fbHeight);
glm::vec4 color(0.0f, 0.0f, 0.0f, 1.0f);
glm::vec2 bottomLeft(-1.0f, -1.0f);
glm::vec2 topRight(1.0f, 1.0f);
glm::vec2 texCoordTopLeft(0.0f, 0.0f);
glm::vec2 texCoordBottomRight(1.0f, 1.0f);
DependencyManager::get<GeometryCache>()->renderQuad(batch, bottomLeft, topRight, texCoordTopLeft, texCoordBottomRight, color, _geometryId);
// Blend step
batch.setResourceTexture(0, _antialiasingTexture);
batch.setFramebuffer(sourceBuffer);
batch.setPipeline(getBlendPipeline());
DependencyManager::get<GeometryCache>()->renderQuad(batch, bottomLeft, topRight, texCoordTopLeft, texCoordBottomRight, color, _geometryId);
});
}
void ImageOverlay::render(RenderArgs* args) {
if (!_isLoaded && _renderImage) {
_isLoaded = true;
_texture = DependencyManager::get<TextureCache>()->getTexture(_imageURL);
}
// If we are not visible or loaded, return. If we are trying to render an
// image but the texture hasn't loaded, return.
if (!_visible || !_isLoaded || (_renderImage && !_texture->isLoaded())) {
return;
}
auto geometryCache = DependencyManager::get<GeometryCache>();
gpu::Batch& batch = *args->_batch;
geometryCache->useSimpleDrawPipeline(batch);
if (_renderImage) {
batch.setResourceTexture(0, _texture->getGPUTexture());
} else {
batch.setResourceTexture(0, args->_whiteTexture);
}
const float MAX_COLOR = 255.0f;
xColor color = getColor();
float alpha = getAlpha();
glm::vec4 quadColor(color.red / MAX_COLOR, color.green / MAX_COLOR, color.blue / MAX_COLOR, alpha);
int left = _bounds.left();
int right = _bounds.right() + 1;
int top = _bounds.top();
int bottom = _bounds.bottom() + 1;
glm::vec2 topLeft(left, top);
glm::vec2 bottomRight(right, bottom);
batch.setModelTransform(Transform());
// if for some reason our image is not over 0 width or height, don't attempt to render the image
if (_renderImage) {
float imageWidth = _texture->getWidth();
float imageHeight = _texture->getHeight();
if (imageWidth > 0 && imageHeight > 0) {
QRect fromImage;
if (_wantClipFromImage) {
float scaleX = imageWidth / _texture->getOriginalWidth();
float scaleY = imageHeight / _texture->getOriginalHeight();
fromImage.setX(scaleX * _fromImage.x());
fromImage.setY(scaleY * _fromImage.y());
fromImage.setWidth(scaleX * _fromImage.width());
fromImage.setHeight(scaleY * _fromImage.height());
}
else {
fromImage.setX(0);
fromImage.setY(0);
fromImage.setWidth(imageWidth);
fromImage.setHeight(imageHeight);
}
float x = fromImage.x() / imageWidth;
float y = fromImage.y() / imageHeight;
float w = fromImage.width() / imageWidth; // ?? is this what we want? not sure
float h = fromImage.height() / imageHeight;
glm::vec2 texCoordTopLeft(x, y);
glm::vec2 texCoordBottomRight(x + w, y + h);
glm::vec4 texcoordRect(texCoordTopLeft, w, h);
DependencyManager::get<GeometryCache>()->renderQuad(batch, topLeft, bottomRight, texCoordTopLeft, texCoordBottomRight, quadColor);
} else {
DependencyManager::get<GeometryCache>()->renderQuad(batch, topLeft, bottomRight, quadColor);
}
} else {
DependencyManager::get<GeometryCache>()->renderQuad(batch, topLeft, bottomRight, quadColor);
}
}
void AmbientOcclusion::run(const render::SceneContextPointer& sceneContext, const render::RenderContextPointer& renderContext) {
assert(renderContext->getArgs());
assert(renderContext->getArgs()->_viewFrustum);
RenderArgs* args = renderContext->getArgs();
gpu::doInBatch(args->_context, [=](gpu::Batch& batch) {
auto framebufferCache = DependencyManager::get<FramebufferCache>();
QSize framebufferSize = framebufferCache->getFrameBufferSize();
float fbWidth = framebufferSize.width();
float fbHeight = framebufferSize.height();
float sMin = args->_viewport.x / fbWidth;
float sWidth = args->_viewport.z / fbWidth;
float tMin = args->_viewport.y / fbHeight;
float tHeight = args->_viewport.w / fbHeight;
glm::mat4 projMat;
Transform viewMat;
args->_viewFrustum->evalProjectionMatrix(projMat);
args->_viewFrustum->evalViewTransform(viewMat);
batch.setProjectionTransform(projMat);
batch.setViewTransform(viewMat);
batch.setModelTransform(Transform());
// Occlusion step
getOcclusionPipeline();
batch.setResourceTexture(0, framebufferCache->getPrimaryDepthTexture());
batch.setResourceTexture(1, framebufferCache->getDeferredNormalTexture());
_occlusionBuffer->setRenderBuffer(0, _occlusionTexture);
batch.setFramebuffer(_occlusionBuffer);
// Occlusion uniforms
g_scale = 1.0f;
g_bias = 1.0f;
g_sample_rad = 1.0f;
g_intensity = 1.0f;
// Bind the first gpu::Pipeline we need - for calculating occlusion buffer
batch.setPipeline(getOcclusionPipeline());
batch._glUniform1f(_gScaleLoc, g_scale);
batch._glUniform1f(_gBiasLoc, g_bias);
batch._glUniform1f(_gSampleRadiusLoc, g_sample_rad);
batch._glUniform1f(_gIntensityLoc, g_intensity);
// setup uniforms for unpacking a view-space position from the depth buffer
// This is code taken from DeferredLightEffect.render() method in DeferredLightingEffect.cpp.
// DeferredBuffer.slh shows how the unpacking is done and what variables are needed.
// initialize the view-space unpacking uniforms using frustum data
float left, right, bottom, top, nearVal, farVal;
glm::vec4 nearClipPlane, farClipPlane;
args->_viewFrustum->computeOffAxisFrustum(left, right, bottom, top, nearVal, farVal, nearClipPlane, farClipPlane);
float depthScale = (farVal - nearVal) / farVal;
float nearScale = -1.0f / nearVal;
float depthTexCoordScaleS = (right - left) * nearScale / sWidth;
float depthTexCoordScaleT = (top - bottom) * nearScale / tHeight;
float depthTexCoordOffsetS = left * nearScale - sMin * depthTexCoordScaleS;
float depthTexCoordOffsetT = bottom * nearScale - tMin * depthTexCoordScaleT;
// now set the position-unpacking unforms
batch._glUniform1f(_nearLoc, nearVal);
batch._glUniform1f(_depthScaleLoc, depthScale);
batch._glUniform2f(_depthTexCoordOffsetLoc, depthTexCoordOffsetS, depthTexCoordOffsetT);
batch._glUniform2f(_depthTexCoordScaleLoc, depthTexCoordScaleS, depthTexCoordScaleT);
batch._glUniform2f(_renderTargetResLoc, fbWidth, fbHeight);
batch._glUniform2f(_renderTargetResInvLoc, 1.0f / fbWidth, 1.0f / fbHeight);
glm::vec4 color(0.0f, 0.0f, 0.0f, 1.0f);
glm::vec2 bottomLeft(-1.0f, -1.0f);
glm::vec2 topRight(1.0f, 1.0f);
glm::vec2 texCoordTopLeft(0.0f, 0.0f);
glm::vec2 texCoordBottomRight(1.0f, 1.0f);
DependencyManager::get<GeometryCache>()->renderQuad(batch, bottomLeft, topRight, texCoordTopLeft, texCoordBottomRight, color);
// Vertical blur step
getVBlurPipeline();
batch.setResourceTexture(0, _occlusionTexture);
_vBlurBuffer->setRenderBuffer(0, _vBlurTexture);
batch.setFramebuffer(_vBlurBuffer);
// Bind the second gpu::Pipeline we need - for calculating blur buffer
batch.setPipeline(getVBlurPipeline());
DependencyManager::get<GeometryCache>()->renderQuad(batch, bottomLeft, topRight, texCoordTopLeft, texCoordBottomRight, color);
// Horizontal blur step
getHBlurPipeline();
batch.setResourceTexture(0, _vBlurTexture);
_hBlurBuffer->setRenderBuffer(0, _hBlurTexture);
batch.setFramebuffer(_hBlurBuffer);
// Bind the third gpu::Pipeline we need - for calculating blur buffer
batch.setPipeline(getHBlurPipeline());
DependencyManager::get<GeometryCache>()->renderQuad(batch, bottomLeft, topRight, texCoordTopLeft, texCoordBottomRight, color);
// Blend step
getBlendPipeline();
batch.setResourceTexture(0, _hBlurTexture);
batch.setFramebuffer(framebufferCache->getDeferredFramebuffer());
// Bind the fourth gpu::Pipeline we need - for blending the primary color buffer with blurred occlusion texture
batch.setPipeline(getBlendPipeline());
DependencyManager::get<GeometryCache>()->renderQuad(batch, bottomLeft, topRight, texCoordTopLeft, texCoordBottomRight, color);
});
}
void Image3DOverlay::render(RenderArgs* args) {
if (!_renderVisible || !getParentVisible() || !_texture || !_texture->isLoaded()) {
return;
}
// Once the texture has loaded, check if we need to update the render item because of transparency
if (!_textureIsLoaded && _texture && _texture->getGPUTexture()) {
_textureIsLoaded = true;
bool prevAlphaTexture = _alphaTexture;
_alphaTexture = _texture->getGPUTexture()->getUsage().isAlpha();
if (_alphaTexture != prevAlphaTexture) {
auto itemID = getRenderItemID();
if (render::Item::isValidID(itemID)) {
render::ScenePointer scene = AbstractViewStateInterface::instance()->getMain3DScene();
render::Transaction transaction;
transaction.updateItem(itemID);
scene->enqueueTransaction(transaction);
}
}
}
Q_ASSERT(args->_batch);
gpu::Batch* batch = args->_batch;
float imageWidth = _texture->getWidth();
float imageHeight = _texture->getHeight();
QRect fromImage;
if (_fromImage.isNull()) {
fromImage.setX(0);
fromImage.setY(0);
fromImage.setWidth(imageWidth);
fromImage.setHeight(imageHeight);
} else {
float scaleX = imageWidth / _texture->getOriginalWidth();
float scaleY = imageHeight / _texture->getOriginalHeight();
fromImage.setX(scaleX * _fromImage.x());
fromImage.setY(scaleY * _fromImage.y());
fromImage.setWidth(scaleX * _fromImage.width());
fromImage.setHeight(scaleY * _fromImage.height());
}
float maxSize = glm::max(fromImage.width(), fromImage.height());
float x = _keepAspectRatio ? fromImage.width() / (2.0f * maxSize) : 0.5f;
float y = _keepAspectRatio ? -fromImage.height() / (2.0f * maxSize) : -0.5f;
glm::vec2 topLeft(-x, -y);
glm::vec2 bottomRight(x, y);
glm::vec2 texCoordTopLeft((fromImage.x() + 0.5f) / imageWidth, (fromImage.y() + 0.5f) / imageHeight);
glm::vec2 texCoordBottomRight((fromImage.x() + fromImage.width() - 0.5f) / imageWidth,
(fromImage.y() + fromImage.height() - 0.5f) / imageHeight);
float alpha = getAlpha();
glm::u8vec3 color = getColor();
glm::vec4 imageColor(toGlm(color), alpha);
batch->setModelTransform(getRenderTransform());
batch->setResourceTexture(0, _texture->getGPUTexture());
DependencyManager::get<GeometryCache>()->renderQuad(
*batch, topLeft, bottomRight, texCoordTopLeft, texCoordBottomRight,
imageColor, _geometryId
);
batch->setResourceTexture(0, nullptr); // restore default white color after me
}
void ApplicationCompositor::renderControllerPointers(gpu::Batch& batch) {
MyAvatar* myAvatar = DependencyManager::get<AvatarManager>()->getMyAvatar();
//Static variables used for storing controller state
static quint64 pressedTime[NUMBER_OF_RETICLES] = { 0ULL, 0ULL, 0ULL };
static bool isPressed[NUMBER_OF_RETICLES] = { false, false, false };
static bool stateWhenPressed[NUMBER_OF_RETICLES] = { false, false, false };
const HandData* handData = DependencyManager::get<AvatarManager>()->getMyAvatar()->getHandData();
for (unsigned int palmIndex = 2; palmIndex < 4; palmIndex++) {
const int index = palmIndex - 1;
const PalmData* palmData = NULL;
if (palmIndex >= handData->getPalms().size()) {
return;
}
if (handData->getPalms()[palmIndex].isActive()) {
palmData = &handData->getPalms()[palmIndex];
} else {
continue;
}
int controllerButtons = palmData->getControllerButtons();
//Check for if we should toggle or drag the magnification window
if (controllerButtons & BUTTON_3) {
if (isPressed[index] == false) {
//We are now dragging the window
isPressed[index] = true;
//set the pressed time in us
pressedTime[index] = usecTimestampNow();
stateWhenPressed[index] = _magActive[index];
}
} else if (isPressed[index]) {
isPressed[index] = false;
//If the button was only pressed for < 250 ms
//then disable it.
const int MAX_BUTTON_PRESS_TIME = 250 * MSECS_TO_USECS;
if (usecTimestampNow() < pressedTime[index] + MAX_BUTTON_PRESS_TIME) {
_magActive[index] = !stateWhenPressed[index];
}
}
//if we have the oculus, we should make the cursor smaller since it will be
//magnified
if (qApp->isHMDMode()) {
QPoint point = getPalmClickLocation(palmData);
_reticlePosition[index] = point;
//When button 2 is pressed we drag the mag window
if (isPressed[index]) {
_magActive[index] = true;
}
// If oculus is enabled, we draw the crosshairs later
continue;
}
auto canvasSize = qApp->getCanvasSize();
int mouseX, mouseY;
if (Menu::getInstance()->isOptionChecked(MenuOption::SixenseLasers)) {
QPoint res = getPalmClickLocation(palmData);
mouseX = res.x();
mouseY = res.y();
} else {
// Get directon relative to avatar orientation
glm::vec3 direction = glm::inverse(myAvatar->getOrientation()) * palmData->getFingerDirection();
// Get the angles, scaled between (-0.5,0.5)
float xAngle = (atan2(direction.z, direction.x) + M_PI_2);
float yAngle = 0.5f - ((atan2(direction.z, direction.y) + M_PI_2));
// Get the pixel range over which the xAngle and yAngle are scaled
float cursorRange = canvasSize.x * SixenseManager::getInstance().getCursorPixelRangeMult();
mouseX = (canvasSize.x / 2.0f + cursorRange * xAngle);
mouseY = (canvasSize.y / 2.0f + cursorRange * yAngle);
}
//If the cursor is out of the screen then don't render it
if (mouseX < 0 || mouseX >= (int)canvasSize.x || mouseY < 0 || mouseY >= (int)canvasSize.y) {
_reticleActive[index] = false;
continue;
}
_reticleActive[index] = true;
const float reticleSize = 40.0f;
mouseX -= reticleSize / 2.0f;
mouseY += reticleSize / 2.0f;
glm::vec2 topLeft(mouseX, mouseY);
glm::vec2 bottomRight(mouseX + reticleSize, mouseY - reticleSize);
glm::vec2 texCoordTopLeft(0.0f, 0.0f);
glm::vec2 texCoordBottomRight(1.0f, 1.0f);
DependencyManager::get<GeometryCache>()->renderQuad(topLeft, bottomRight, texCoordTopLeft, texCoordBottomRight,
glm::vec4(RETICLE_COLOR[0], RETICLE_COLOR[1], RETICLE_COLOR[2], 1.0f));
}
}
void BillboardOverlay::render(RenderArgs* args) {
if (!_isLoaded) {
_isLoaded = true;
_texture = DependencyManager::get<TextureCache>()->getTexture(_url);
}
if (!_visible || !_texture->isLoaded()) {
return;
}
glm::quat rotation;
if (_isFacingAvatar) {
// rotate about vertical to face the camera
rotation = args->_viewFrustum->getOrientation();
rotation *= glm::angleAxis(glm::pi<float>(), IDENTITY_UP);
rotation *= getRotation();
} else {
rotation = getRotation();
}
float imageWidth = _texture->getWidth();
float imageHeight = _texture->getHeight();
QRect fromImage;
if (_fromImage.isNull()) {
fromImage.setX(0);
fromImage.setY(0);
fromImage.setWidth(imageWidth);
fromImage.setHeight(imageHeight);
} else {
float scaleX = imageWidth / _texture->getOriginalWidth();
float scaleY = imageHeight / _texture->getOriginalHeight();
fromImage.setX(scaleX * _fromImage.x());
fromImage.setY(scaleY * _fromImage.y());
fromImage.setWidth(scaleX * _fromImage.width());
fromImage.setHeight(scaleY * _fromImage.height());
}
float maxSize = glm::max(fromImage.width(), fromImage.height());
float x = fromImage.width() / (2.0f * maxSize);
float y = -fromImage.height() / (2.0f * maxSize);
glm::vec2 topLeft(-x, -y);
glm::vec2 bottomRight(x, y);
glm::vec2 texCoordTopLeft(fromImage.x() / imageWidth, fromImage.y() / imageHeight);
glm::vec2 texCoordBottomRight((fromImage.x() + fromImage.width()) / imageWidth,
(fromImage.y() + fromImage.height()) / imageHeight);
const float MAX_COLOR = 255.0f;
xColor color = getColor();
float alpha = getAlpha();
auto batch = args->_batch;
if (batch) {
Transform transform = _transform;
transform.postScale(glm::vec3(getDimensions(), 1.0f));
batch->setModelTransform(transform);
batch->setUniformTexture(0, _texture->getGPUTexture());
DependencyManager::get<GeometryCache>()->renderQuad(*batch, topLeft, bottomRight, texCoordTopLeft, texCoordBottomRight,
glm::vec4(color.red / MAX_COLOR, color.green / MAX_COLOR, color.blue / MAX_COLOR, alpha));
batch->setUniformTexture(0, args->_whiteTexture); // restore default white color after me
} else {
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.5f);
glEnable(GL_TEXTURE_2D);
glDisable(GL_LIGHTING);
glBindTexture(GL_TEXTURE_2D, _texture->getID());
glPushMatrix(); {
glTranslatef(getPosition().x, getPosition().y, getPosition().z);
glm::vec3 axis = glm::axis(rotation);
glRotatef(glm::degrees(glm::angle(rotation)), axis.x, axis.y, axis.z);
glScalef(_dimensions.x, _dimensions.y, 1.0f);
DependencyManager::get<GeometryCache>()->renderQuad(topLeft, bottomRight, texCoordTopLeft, texCoordBottomRight,
glm::vec4(color.red / MAX_COLOR, color.green / MAX_COLOR, color.blue / MAX_COLOR, alpha));
} glPopMatrix();
glDisable(GL_TEXTURE_2D);
glEnable(GL_LIGHTING);
glDisable(GL_ALPHA_TEST);
glBindTexture(GL_TEXTURE_2D, 0);
}
}
void AmbientOcclusion::run(const render::SceneContextPointer& sceneContext, const render::RenderContextPointer& renderContext) {
assert(renderContext->args);
assert(renderContext->args->_viewFrustum);
RenderArgs* args = renderContext->args;
gpu::Batch batch;
glm::mat4 projMat;
Transform viewMat;
args->_viewFrustum->evalProjectionMatrix(projMat);
args->_viewFrustum->evalViewTransform(viewMat);
batch.setProjectionTransform(projMat);
batch.setViewTransform(viewMat);
batch.setModelTransform(Transform());
// Occlusion step
getOcclusionPipeline();
batch.setResourceTexture(0, DependencyManager::get<FramebufferCache>()->getPrimaryDepthTexture());
batch.setResourceTexture(1, DependencyManager::get<FramebufferCache>()->getPrimaryNormalTexture());
_occlusionBuffer->setRenderBuffer(0, _occlusionTexture);
batch.setFramebuffer(_occlusionBuffer);
// Occlusion uniforms
g_scale = 1.0f;
g_bias = 1.0f;
g_sample_rad = 1.0f;
g_intensity = 1.0f;
// Bind the first gpu::Pipeline we need - for calculating occlusion buffer
batch.setPipeline(getOcclusionPipeline());
batch._glUniform1f(_gScaleLoc, g_scale);
batch._glUniform1f(_gBiasLoc, g_bias);
batch._glUniform1f(_gSampleRadiusLoc, g_sample_rad);
batch._glUniform1f(_gIntensityLoc, g_intensity);
batch._glUniform1f(_bufferWidthLoc, DependencyManager::get<FramebufferCache>()->getFrameBufferSize().width());
batch._glUniform1f(_bufferHeightLoc, DependencyManager::get<FramebufferCache>()->getFrameBufferSize().height());
glm::vec4 color(0.0f, 0.0f, 0.0f, 1.0f);
glm::vec2 bottomLeft(-1.0f, -1.0f);
glm::vec2 topRight(1.0f, 1.0f);
glm::vec2 texCoordTopLeft(0.0f, 0.0f);
glm::vec2 texCoordBottomRight(1.0f, 1.0f);
DependencyManager::get<GeometryCache>()->renderQuad(batch, bottomLeft, topRight, texCoordTopLeft, texCoordBottomRight, color);
// Vertical blur step
getVBlurPipeline();
batch.setResourceTexture(0, _occlusionTexture);
_vBlurBuffer->setRenderBuffer(0, _vBlurTexture);
batch.setFramebuffer(_vBlurBuffer);
// Bind the second gpu::Pipeline we need - for calculating blur buffer
batch.setPipeline(getVBlurPipeline());
DependencyManager::get<GeometryCache>()->renderQuad(batch, bottomLeft, topRight, texCoordTopLeft, texCoordBottomRight, color);
// Horizontal blur step
getHBlurPipeline();
batch.setResourceTexture(0, _vBlurTexture);
_hBlurBuffer->setRenderBuffer(0, _hBlurTexture);
batch.setFramebuffer(_hBlurBuffer);
// Bind the third gpu::Pipeline we need - for calculating blur buffer
batch.setPipeline(getHBlurPipeline());
DependencyManager::get<GeometryCache>()->renderQuad(batch, bottomLeft, topRight, texCoordTopLeft, texCoordBottomRight, color);
// Blend step
getBlendPipeline();
batch.setResourceTexture(0, _hBlurTexture);
batch.setFramebuffer(DependencyManager::get<FramebufferCache>()->getPrimaryFramebuffer());
// Bind the fourth gpu::Pipeline we need - for blending the primary color buffer with blurred occlusion texture
batch.setPipeline(getBlendPipeline());
DependencyManager::get<GeometryCache>()->renderQuad(batch, bottomLeft, topRight, texCoordTopLeft, texCoordBottomRight, color);
// Ready to render
args->_context->render((batch));
}
void BillboardOverlay::render(RenderArgs* args) {
if (!_visible || !_isLoaded) {
return;
}
if (!_billboard.isEmpty()) {
if (_newTextureNeeded && _billboardTexture) {
_billboardTexture.reset();
}
if (!_billboardTexture) {
QImage image = QImage::fromData(_billboard);
if (image.format() != QImage::Format_ARGB32) {
image = image.convertToFormat(QImage::Format_ARGB32);
}
_size = image.size();
if (_fromImage.x() == -1) {
_fromImage.setRect(0, 0, _size.width(), _size.height());
}
_billboardTexture.reset(new Texture());
_newTextureNeeded = false;
glBindTexture(GL_TEXTURE_2D, _billboardTexture->getID());
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, _size.width(), _size.height(), 0,
GL_BGRA, GL_UNSIGNED_BYTE, image.constBits());
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
} else {
glBindTexture(GL_TEXTURE_2D, _billboardTexture->getID());
}
}
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.5f);
glEnable(GL_TEXTURE_2D);
glDisable(GL_LIGHTING);
glPushMatrix(); {
glTranslatef(_position.x, _position.y, _position.z);
glm::quat rotation;
if (_isFacingAvatar) {
// rotate about vertical to face the camera
rotation = Application::getInstance()->getCamera()->getRotation();
rotation *= glm::angleAxis(glm::pi<float>(), glm::vec3(0.0f, 1.0f, 0.0f));
} else {
rotation = getRotation();
}
glm::vec3 axis = glm::axis(rotation);
glRotatef(glm::degrees(glm::angle(rotation)), axis.x, axis.y, axis.z);
glScalef(_scale, _scale, _scale);
if (_billboardTexture) {
float maxSize = glm::max(_fromImage.width(), _fromImage.height());
float x = _fromImage.width() / (2.0f * maxSize);
float y = -_fromImage.height() / (2.0f * maxSize);
const float MAX_COLOR = 255.0f;
xColor color = getColor();
float alpha = getAlpha();
glColor4f(color.red / MAX_COLOR, color.green / MAX_COLOR, color.blue / MAX_COLOR, alpha);
glm::vec2 topLeft(-x, -y);
glm::vec2 bottomRight(x, y);
glm::vec2 texCoordTopLeft((float)_fromImage.x() / (float)_size.width(),
(float)_fromImage.y() / (float)_size.height());
glm::vec2 texCoordBottomRight(((float)_fromImage.x() + (float)_fromImage.width()) / (float)_size.width(),
((float)_fromImage.y() + (float)_fromImage.height()) / _size.height());
DependencyManager::get<GeometryCache>()->renderQuad(topLeft, bottomRight, texCoordTopLeft, texCoordBottomRight);
}
} glPopMatrix();
glDisable(GL_TEXTURE_2D);
glEnable(GL_LIGHTING);
glDisable(GL_ALPHA_TEST);
glBindTexture(GL_TEXTURE_2D, 0);
}
void ImageOverlay::render(RenderArgs* args) {
if (!_isLoaded && _renderImage) {
_isLoaded = true;
_texture = DependencyManager::get<TextureCache>()->getTexture(_imageURL);
}
// If we are not visible or loaded, return. If we are trying to render an
// image but the texture hasn't loaded, return.
if (!_visible || !_isLoaded || (_renderImage && !_texture->isLoaded())) {
return;
}
if (_renderImage) {
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, _texture->getID());
}
const float MAX_COLOR = 255.0f;
xColor color = getColor();
float alpha = getAlpha();
glm::vec4 quadColor(color.red / MAX_COLOR, color.green / MAX_COLOR, color.blue / MAX_COLOR, alpha);
int left = _bounds.left();
int right = _bounds.right() + 1;
int top = _bounds.top();
int bottom = _bounds.bottom() + 1;
glm::vec2 topLeft(left, top);
glm::vec2 bottomRight(right, bottom);
// if for some reason our image is not over 0 width or height, don't attempt to render the image
if (_renderImage) {
float imageWidth = _texture->getWidth();
float imageHeight = _texture->getHeight();
if (imageWidth > 0 && imageHeight > 0) {
QRect fromImage;
if (_wantClipFromImage) {
float scaleX = imageWidth / _texture->getOriginalWidth();
float scaleY = imageHeight / _texture->getOriginalHeight();
fromImage.setX(scaleX * _fromImage.x());
fromImage.setY(scaleY * _fromImage.y());
fromImage.setWidth(scaleX * _fromImage.width());
fromImage.setHeight(scaleY * _fromImage.height());
}
else {
fromImage.setX(0);
fromImage.setY(0);
fromImage.setWidth(imageWidth);
fromImage.setHeight(imageHeight);
}
float x = fromImage.x() / imageWidth;
float y = fromImage.y() / imageHeight;
float w = fromImage.width() / imageWidth; // ?? is this what we want? not sure
float h = fromImage.height() / imageHeight;
glm::vec2 texCoordTopLeft(x, y);
glm::vec2 texCoordBottomRight(x + w, y + h);
DependencyManager::get<GeometryCache>()->renderQuad(topLeft, bottomRight, texCoordTopLeft, texCoordBottomRight, quadColor);
} else {
DependencyManager::get<GeometryCache>()->renderQuad(topLeft, bottomRight, quadColor);
}
glDisable(GL_TEXTURE_2D);
} else {
DependencyManager::get<GeometryCache>()->renderQuad(topLeft, bottomRight, quadColor);
}
}
