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Merge branch 'master' of https://github.com/highfidelity/hifi into rig

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This commit is contained in:
Howard Stearns 2015-07-30 09:57:02 -07:00
commit 06aa107762
27 changed files with 528 additions and 493 deletions
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10
interface/src/Application.cpp
View file

@ -1000,7 +1000,8 @@ void Application::paintGL() {
_compositor.displayOverlayTexture(&renderArgs);
}
if (!OculusManager::isConnected() || OculusManager::allowSwap()) {
PROFILE_RANGE(__FUNCTION__ "/bufferSwap");
_glWidget->swapBuffers();
@ -1012,6 +1013,13 @@ void Application::paintGL() {
_frameCount++;
_numFramesSinceLastResize++;
Stats::getInstance()->setRenderDetails(renderArgs._details);
// Reset the gpu::Context Stages
// Back to the default framebuffer;
gpu::Batch batch;
batch.resetStages();
renderArgs._context->render(batch);
}
void Application::runTests() {

2
interface/src/ModelPackager.cpp
View file

@ -106,7 +106,7 @@ bool ModelPackager::loadModel() {
}
qCDebug(interfaceapp) << "Reading FBX file : " << _fbxInfo.filePath();
QByteArray fbxContents = fbx.readAll();
_geometry = readFBX(fbxContents, QVariantHash());
_geometry = readFBX(fbxContents, QVariantHash(), _fbxInfo.filePath());
// make sure we have some basic mappings
populateBasicMapping(_mapping, _fbxInfo.filePath(), _geometry);

5
interface/src/Stars.cpp
View file

@ -154,6 +154,7 @@ void Stars::render(RenderArgs* renderArgs, float alpha) {
auto state = gpu::StatePointer(new gpu::State());
// enable decal blend
state->setDepthTest(gpu::State::DepthTest(false));
state->setAntialiasedLineEnable(true); // line smoothing also smooth points
state->setBlendFunction(true, gpu::State::SRC_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::INV_SRC_ALPHA);
_starsPipeline.reset(gpu::Pipeline::create(program, state));
@ -217,10 +218,6 @@ void Stars::render(RenderArgs* renderArgs, float alpha) {
// Render the stars
batch.setPipeline(_starsPipeline);
batch._glEnable(GL_PROGRAM_POINT_SIZE_EXT);
batch._glEnable(GL_VERTEX_PROGRAM_POINT_SIZE);
batch._glEnable(GL_POINT_SMOOTH);
batch.setInputFormat(streamFormat);
batch.setInputBuffer(VERTICES_SLOT, posView);
batch.setInputBuffer(COLOR_SLOT, colView);

2
interface/src/ui/ApplicationOverlay.cpp
View file

@ -117,7 +117,7 @@ void ApplicationOverlay::renderQmlUi(RenderArgs* renderArgs) {
batch.setProjectionTransform(mat4());
batch.setModelTransform(Transform());
batch.setViewTransform(Transform());
batch._glBindTexture(GL_TEXTURE_2D, _uiTexture);
batch._glActiveBindTexture(GL_TEXTURE0, GL_TEXTURE_2D, _uiTexture);
geometryCache->renderUnitQuad(batch, glm::vec4(1));
}

2
libraries/animation/src/AnimationCache.cpp
View file

@ -62,7 +62,7 @@ void AnimationReader::run() {
QSharedPointer<Resource> animation = _animation.toStrongRef();
if (!animation.isNull()) {
QMetaObject::invokeMethod(animation.data(), "setGeometry",
Q_ARG(const FBXGeometry&, readFBX(_reply->readAll(), QVariantHash())));
Q_ARG(const FBXGeometry&, readFBX(_reply->readAll(), QVariantHash(), _reply->property("url").toString())));
}
_reply->deleteLater();
}

3
libraries/entities-renderer/src/RenderableWebEntityItem.cpp
View file

@ -178,8 +178,7 @@ void RenderableWebEntityItem::render(RenderArgs* args) {
batch.setModelTransform(getTransformToCenter());
bool textured = false, culled = false, emissive = false;
if (_texture) {
batch._glActiveTexture(GL_TEXTURE0);
batch._glBindTexture(GL_TEXTURE_2D, _texture);
batch._glActiveBindTexture(GL_TEXTURE0, GL_TEXTURE_2D, _texture);
textured = emissive = true;
}

30
libraries/fbx/src/FBXReader.cpp
View file

@ -17,6 +17,7 @@
#include <QTextStream>
#include <QtDebug>
#include <QtEndian>
#include <QFileInfo>
#include <glm/gtc/quaternion.hpp>
#include <glm/gtx/quaternion.hpp>
@ -1453,9 +1454,21 @@ void buildModelMesh(ExtractedMesh& extracted) {
}
#endif // USE_MODEL_MESH
QByteArray fileOnUrl(const QByteArray& filenameString, const QString& url) {
QString path = QFileInfo(url).path();
QByteArray filename = filenameString;
QFileInfo checkFile(path + "/" + filename.replace('\\', '/'));
//check if the file exists at the RelativeFileName
if (checkFile.exists() && checkFile.isFile()) {
filename = filename.replace('\\', '/');
} else {
// there is no texture at the fbx dir with the filename added. Assume it is in the fbx dir.
filename = filename.mid(qMax(filename.lastIndexOf('\\'), filename.lastIndexOf('/')) + 1);
}
return filename;
}
FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping, bool loadLightmaps, float lightmapLevel) {
FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping, const QString& url, bool loadLightmaps, float lightmapLevel) {
QHash<QString, ExtractedMesh> meshes;
QHash<QString, QString> modelIDsToNames;
QHash<QString, int> meshIDsToMeshIndices;
@ -1780,9 +1793,8 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping,
TextureParam tex;
foreach (const FBXNode& subobject, object.children) {
if (subobject.name == "RelativeFilename") {
// trim off any path information
QByteArray filename = subobject.properties.at(0).toByteArray();
filename = filename.mid(qMax(filename.lastIndexOf('\\'), filename.lastIndexOf('/')) + 1);
filename = fileOnUrl(filename, url);
textureFilenames.insert(getID(object.properties), filename);
} else if (subobject.name == "TextureName") {
// trim the name from the timestamp
@ -1856,7 +1868,7 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping,
foreach (const FBXNode& subobject, object.children) {
if (subobject.name == "RelativeFilename") {
filename = subobject.properties.at(0).toByteArray();
filename = filename.mid(qMax(filename.lastIndexOf('\\'), filename.lastIndexOf('/')) + 1);
filename = fileOnUrl(filename, url);
} else if (subobject.name == "Content" && !subobject.properties.isEmpty()) {
content = subobject.properties.at(0).toByteArray();
@ -2687,12 +2699,12 @@ FBXGeometry extractFBXGeometry(const FBXNode& node, const QVariantHash& mapping,
return geometry;
}
FBXGeometry readFBX(const QByteArray& model, const QVariantHash& mapping, bool loadLightmaps, float lightmapLevel) {
FBXGeometry readFBX(const QByteArray& model, const QVariantHash& mapping, const QString& url, bool loadLightmaps, float lightmapLevel) {
QBuffer buffer(const_cast<QByteArray*>(&model));
buffer.open(QIODevice::ReadOnly);
return readFBX(&buffer, mapping, loadLightmaps, lightmapLevel);
return readFBX(&buffer, mapping, url, loadLightmaps, lightmapLevel);
}
FBXGeometry readFBX(QIODevice* device, const QVariantHash& mapping, bool loadLightmaps, float lightmapLevel) {
return extractFBXGeometry(parseFBX(device), mapping, loadLightmaps, lightmapLevel);
FBXGeometry readFBX(QIODevice* device, const QVariantHash& mapping, const QString& url, bool loadLightmaps, float lightmapLevel) {
return extractFBXGeometry(parseFBX(device), mapping, url, loadLightmaps, lightmapLevel);
}

4
libraries/fbx/src/FBXReader.h
View file

@ -267,10 +267,10 @@ Q_DECLARE_METATYPE(FBXGeometry)
/// Reads FBX geometry from the supplied model and mapping data.
/// \exception QString if an error occurs in parsing
FBXGeometry readFBX(const QByteArray& model, const QVariantHash& mapping, bool loadLightmaps = true, float lightmapLevel = 1.0f);
FBXGeometry readFBX(const QByteArray& model, const QVariantHash& mapping, const QString& url = "", bool loadLightmaps = true, float lightmapLevel = 1.0f);
/// Reads FBX geometry from the supplied model and mapping data.
/// \exception QString if an error occurs in parsing
FBXGeometry readFBX(QIODevice* device, const QVariantHash& mapping, bool loadLightmaps = true, float lightmapLevel = 1.0f);
FBXGeometry readFBX(QIODevice* device, const QVariantHash& mapping, const QString& url = "", bool loadLightmaps = true, float lightmapLevel = 1.0f);
#endif // hifi_FBXReader_h

4
libraries/gpu/src/gpu/Batch.cpp
View file

@ -288,6 +288,10 @@ void Batch::getQuery(const QueryPointer& query) {
_params.push_back(_queries.cache(query));
}
void Batch::resetStages() {
ADD_COMMAND(resetStages);
}
void push_back(Batch::Params& params, const vec3& v) {
params.push_back(v.x);
params.push_back(v.y);

57
libraries/gpu/src/gpu/Batch.h
View file

@ -94,7 +94,7 @@ public:
void setResourceTexture(uint32 slot, const TexturePointer& view);
void setResourceTexture(uint32 slot, const TextureView& view); // not a command, just a shortcut from a TextureView
// Framebuffer Stage
// Ouput Stage
void setFramebuffer(const FramebufferPointer& framebuffer);
// Clear framebuffer layers
@ -113,34 +113,17 @@ public:
void endQuery(const QueryPointer& query);
void getQuery(const QueryPointer& query);
// Reset the stage caches and states
void resetStages();
// TODO: As long as we have gl calls explicitely issued from interface
// code, we need to be able to record and batch these calls. THe long
// term strategy is to get rid of any GL calls in favor of the HIFI GPU API
// For now, instead of calling the raw gl Call, use the equivalent call on the batch so the call is beeing recorded
// THe implementation of these functions is in GLBackend.cpp
void _glEnable(unsigned int cap);
void _glDisable(unsigned int cap);
void _glActiveBindTexture(unsigned int unit, unsigned int target, unsigned int texture);
void _glEnableClientState(unsigned int array);
void _glDisableClientState(unsigned int array);
void _glCullFace(unsigned int mode);
void _glAlphaFunc(unsigned int func, float ref);
void _glDepthFunc(unsigned int func);
void _glDepthMask(unsigned char flag);
void _glDepthRange(float zNear, float zFar);
void _glBindBuffer(unsigned int target, unsigned int buffer);
void _glBindTexture(unsigned int target, unsigned int texture);
void _glActiveTexture(unsigned int texture);
void _glTexParameteri(unsigned int target, unsigned int pname, int param);
void _glDrawBuffers(int n, const unsigned int* bufs);
void _glUseProgram(unsigned int program);
void _glUniform1i(int location, int v0);
void _glUniform1f(int location, float v0);
void _glUniform2f(int location, float v0, float v1);
@ -150,9 +133,6 @@ public:
void _glUniform4iv(int location, int count, const int* value);
void _glUniformMatrix4fv(int location, int count, unsigned char transpose, const float* value);
void _glEnableVertexAttribArray(int location);
void _glDisableVertexAttribArray(int location);
void _glColor4f(float red, float green, float blue, float alpha);
void _glLineWidth(float width);
@ -186,31 +166,13 @@ public:
COMMAND_endQuery,
COMMAND_getQuery,
COMMAND_resetStages,
// TODO: As long as we have gl calls explicitely issued from interface
// code, we need to be able to record and batch these calls. THe long
// term strategy is to get rid of any GL calls in favor of the HIFI GPU API
COMMAND_glEnable,
COMMAND_glDisable,
COMMAND_glActiveBindTexture,
COMMAND_glEnableClientState,
COMMAND_glDisableClientState,
COMMAND_glCullFace,
COMMAND_glAlphaFunc,
COMMAND_glDepthFunc,
COMMAND_glDepthMask,
COMMAND_glDepthRange,
COMMAND_glBindBuffer,
COMMAND_glBindTexture,
COMMAND_glActiveTexture,
COMMAND_glTexParameteri,
COMMAND_glDrawBuffers,
COMMAND_glUseProgram,
COMMAND_glUniform1i,
COMMAND_glUniform1f,
COMMAND_glUniform2f,
@ -220,9 +182,6 @@ public:
COMMAND_glUniform4iv,
COMMAND_glUniformMatrix4fv,
COMMAND_glEnableVertexAttribArray,
COMMAND_glDisableVertexAttribArray,
COMMAND_glColor4f,
COMMAND_glLineWidth,

1
libraries/gpu/src/gpu/Context.cpp
View file

@ -45,3 +45,4 @@ void Context::syncCache() {
void Context::downloadFramebuffer(const FramebufferPointer& srcFramebuffer, const Vec4i& region, QImage& destImage) {
_backend->downloadFramebuffer(srcFramebuffer, region, destImage);
}

268
libraries/gpu/src/gpu/GLBackend.cpp
View file

@ -46,28 +46,10 @@ GLBackend::CommandCall GLBackend::_commandCalls[Batch::NUM_COMMANDS] =
(&::gpu::GLBackend::do_endQuery),
(&::gpu::GLBackend::do_getQuery),
(&::gpu::GLBackend::do_glEnable),
(&::gpu::GLBackend::do_glDisable),
(&::gpu::GLBackend::do_resetStages),
(&::gpu::GLBackend::do_glEnableClientState),
(&::gpu::GLBackend::do_glDisableClientState),
(&::gpu::GLBackend::do_glActiveBindTexture),
(&::gpu::GLBackend::do_glCullFace),
(&::gpu::GLBackend::do_glAlphaFunc),
(&::gpu::GLBackend::do_glDepthFunc),
(&::gpu::GLBackend::do_glDepthMask),
(&::gpu::GLBackend::do_glDepthRange),
(&::gpu::GLBackend::do_glBindBuffer),
(&::gpu::GLBackend::do_glBindTexture),
(&::gpu::GLBackend::do_glActiveTexture),
(&::gpu::GLBackend::do_glTexParameteri),
(&::gpu::GLBackend::do_glDrawBuffers),
(&::gpu::GLBackend::do_glUseProgram),
(&::gpu::GLBackend::do_glUniform1i),
(&::gpu::GLBackend::do_glUniform1f),
(&::gpu::GLBackend::do_glUniform2f),
@ -77,9 +59,6 @@ GLBackend::CommandCall GLBackend::_commandCalls[Batch::NUM_COMMANDS] =
(&::gpu::GLBackend::do_glUniform4iv),
(&::gpu::GLBackend::do_glUniformMatrix4fv),
(&::gpu::GLBackend::do_glEnableVertexAttribArray),
(&::gpu::GLBackend::do_glDisableVertexAttribArray),
(&::gpu::GLBackend::do_glColor4f),
(&::gpu::GLBackend::do_glLineWidth),
};
@ -128,6 +107,8 @@ GLBackend::GLBackend() :
}
GLBackend::~GLBackend() {
resetStages();
killInput();
killTransform();
}
@ -246,6 +227,22 @@ void GLBackend::do_drawIndexedInstanced(Batch& batch, uint32 paramOffset) {
(void) CHECK_GL_ERROR();
}
void GLBackend::do_resetStages(Batch& batch, uint32 paramOffset) {
resetStages();
}
void GLBackend::resetStages() {
resetInputStage();
resetPipelineStage();
resetTransformStage();
resetUniformStage();
resetResourceStage();
resetOutputStage();
resetQueryStage();
(void) CHECK_GL_ERROR();
}
// TODO: As long as we have gl calls explicitely issued from interface
// code, we need to be able to record and batch these calls. THe long
// term strategy is to get rid of any GL calls in favor of the HIFI GPU API
@ -255,211 +252,24 @@ void GLBackend::do_drawIndexedInstanced(Batch& batch, uint32 paramOffset) {
//#define DO_IT_NOW(call, offset) runLastCommand();
#define DO_IT_NOW(call, offset)
void Batch::_glEnable(GLenum cap) {
ADD_COMMAND_GL(glEnable);
_params.push_back(cap);
DO_IT_NOW(_glEnable, 1);
}
void GLBackend::do_glEnable(Batch& batch, uint32 paramOffset) {
glEnable(batch._params[paramOffset]._uint);
(void) CHECK_GL_ERROR();
}
void Batch::_glDisable(GLenum cap) {
ADD_COMMAND_GL(glDisable);
_params.push_back(cap);
DO_IT_NOW(_glDisable, 1);
}
void GLBackend::do_glDisable(Batch& batch, uint32 paramOffset) {
glDisable(batch._params[paramOffset]._uint);
(void) CHECK_GL_ERROR();
}
void Batch::_glEnableClientState(GLenum array) {
ADD_COMMAND_GL(glEnableClientState);
_params.push_back(array);
DO_IT_NOW(_glEnableClientState, 1);
}
void GLBackend::do_glEnableClientState(Batch& batch, uint32 paramOffset) {
glEnableClientState(batch._params[paramOffset]._uint);
(void) CHECK_GL_ERROR();
}
void Batch::_glDisableClientState(GLenum array) {
ADD_COMMAND_GL(glDisableClientState);
_params.push_back(array);
DO_IT_NOW(_glDisableClientState, 1);
}
void GLBackend::do_glDisableClientState(Batch& batch, uint32 paramOffset) {
glDisableClientState(batch._params[paramOffset]._uint);
(void) CHECK_GL_ERROR();
}
void Batch::_glCullFace(GLenum mode) {
ADD_COMMAND_GL(glCullFace);
_params.push_back(mode);
DO_IT_NOW(_glCullFace, 1);
}
void GLBackend::do_glCullFace(Batch& batch, uint32 paramOffset) {
glCullFace(batch._params[paramOffset]._uint);
(void) CHECK_GL_ERROR();
}
void Batch::_glAlphaFunc(GLenum func, GLclampf ref) {
ADD_COMMAND_GL(glAlphaFunc);
_params.push_back(ref);
_params.push_back(func);
DO_IT_NOW(_glAlphaFunc, 2);
}
void GLBackend::do_glAlphaFunc(Batch& batch, uint32 paramOffset) {
glAlphaFunc(
batch._params[paramOffset + 1]._uint,
batch._params[paramOffset + 0]._float);
(void) CHECK_GL_ERROR();
}
void Batch::_glDepthFunc(GLenum func) {
ADD_COMMAND_GL(glDepthFunc);
_params.push_back(func);
DO_IT_NOW(_glDepthFunc, 1);
}
void GLBackend::do_glDepthFunc(Batch& batch, uint32 paramOffset) {
glDepthFunc(batch._params[paramOffset]._uint);
(void) CHECK_GL_ERROR();
}
void Batch::_glDepthMask(GLboolean flag) {
ADD_COMMAND_GL(glDepthMask);
_params.push_back(flag);
DO_IT_NOW(_glDepthMask, 1);
}
void GLBackend::do_glDepthMask(Batch& batch, uint32 paramOffset) {
glDepthMask(batch._params[paramOffset]._uint);
(void) CHECK_GL_ERROR();
}
void Batch::_glDepthRange(GLfloat zNear, GLfloat zFar) {
ADD_COMMAND_GL(glDepthRange);
_params.push_back(zFar);
_params.push_back(zNear);
DO_IT_NOW(_glDepthRange, 2);
}
void GLBackend::do_glDepthRange(Batch& batch, uint32 paramOffset) {
glDepthRange(
batch._params[paramOffset + 1]._float,
batch._params[paramOffset + 0]._float);
(void) CHECK_GL_ERROR();
}
void Batch::_glBindBuffer(GLenum target, GLuint buffer) {
ADD_COMMAND_GL(glBindBuffer);
_params.push_back(buffer);
_params.push_back(target);
DO_IT_NOW(_glBindBuffer, 2);
}
void GLBackend::do_glBindBuffer(Batch& batch, uint32 paramOffset) {
glBindBuffer(
batch._params[paramOffset + 1]._uint,
batch._params[paramOffset + 0]._uint);
(void) CHECK_GL_ERROR();
}
void Batch::_glBindTexture(GLenum target, GLuint texture) {
ADD_COMMAND_GL(glBindTexture);
void Batch::_glActiveBindTexture(GLenum unit, GLenum target, GLuint texture) {
ADD_COMMAND_GL(glActiveBindTexture);
_params.push_back(texture);
_params.push_back(target);
_params.push_back(unit);
DO_IT_NOW(_glBindTexture, 2);
DO_IT_NOW(_glActiveBindTexture, 3);
}
void GLBackend::do_glBindTexture(Batch& batch, uint32 paramOffset) {
void GLBackend::do_glActiveBindTexture(Batch& batch, uint32 paramOffset) {
glActiveTexture(batch._params[paramOffset + 2]._uint);
glBindTexture(
batch._params[paramOffset + 1]._uint,
batch._params[paramOffset + 0]._uint);
(void) CHECK_GL_ERROR();
}
void Batch::_glActiveTexture(GLenum texture) {
ADD_COMMAND_GL(glActiveTexture);
_params.push_back(texture);
DO_IT_NOW(_glActiveTexture, 1);
}
void GLBackend::do_glActiveTexture(Batch& batch, uint32 paramOffset) {
glActiveTexture(batch._params[paramOffset]._uint);
(void) CHECK_GL_ERROR();
}
void Batch::_glTexParameteri(GLenum target, GLenum pname, GLint param) {
ADD_COMMAND_GL(glTexParameteri);
_params.push_back(param);
_params.push_back(pname);
_params.push_back(target);
DO_IT_NOW(glTexParameteri, 3);
}
void GLBackend::do_glTexParameteri(Batch& batch, uint32 paramOffset) {
glTexParameteri(batch._params[paramOffset + 2]._uint,
batch._params[paramOffset + 1]._uint,
batch._params[paramOffset + 0]._int);
(void) CHECK_GL_ERROR();
}
void Batch::_glDrawBuffers(GLsizei n, const GLenum* bufs) {
ADD_COMMAND_GL(glDrawBuffers);
_params.push_back(cacheData(n * sizeof(GLenum), bufs));
_params.push_back(n);
DO_IT_NOW(_glDrawBuffers, 2);
}
void GLBackend::do_glDrawBuffers(Batch& batch, uint32 paramOffset) {
glDrawBuffers(
batch._params[paramOffset + 1]._uint,
(const GLenum*)batch.editData(batch._params[paramOffset + 0]._uint));
(void) CHECK_GL_ERROR();
}
void Batch::_glUseProgram(GLuint program) {
ADD_COMMAND_GL(glUseProgram);
_params.push_back(program);
DO_IT_NOW(_glUseProgram, 1);
}
void GLBackend::do_glUseProgram(Batch& batch, uint32 paramOffset) {
_pipeline._program = batch._params[paramOffset]._uint;
// for this call we still want to execute the glUseProgram in the order of the glCOmmand to avoid any issue
_pipeline._invalidProgram = false;
glUseProgram(_pipeline._program);
(void) CHECK_GL_ERROR();
}
void Batch::_glUniform1i(GLint location, GLint v0) {
if (location < 0) {
return;
@ -660,30 +470,6 @@ void GLBackend::do_glUniformMatrix4fv(Batch& batch, uint32 paramOffset) {
(void) CHECK_GL_ERROR();
}
void Batch::_glEnableVertexAttribArray(GLint location) {
ADD_COMMAND_GL(glEnableVertexAttribArray);
_params.push_back(location);
DO_IT_NOW(_glEnableVertexAttribArray, 1);
}
void GLBackend::do_glEnableVertexAttribArray(Batch& batch, uint32 paramOffset) {
glEnableVertexAttribArray(batch._params[paramOffset]._uint);
(void) CHECK_GL_ERROR();
}
void Batch::_glDisableVertexAttribArray(GLint location) {
ADD_COMMAND_GL(glDisableVertexAttribArray);
_params.push_back(location);
DO_IT_NOW(_glDisableVertexAttribArray, 1);
}
void GLBackend::do_glDisableVertexAttribArray(Batch& batch, uint32 paramOffset) {
glDisableVertexAttribArray(batch._params[paramOffset]._uint);
(void) CHECK_GL_ERROR();
}
void Batch::_glColor4f(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha) {
ADD_COMMAND_GL(glColor4f);

96
libraries/gpu/src/gpu/GLBackend.h
View file

@ -195,8 +195,17 @@ public:
static const int MAX_NUM_ATTRIBUTES = Stream::NUM_INPUT_SLOTS;
static const int MAX_NUM_INPUT_BUFFERS = 16;
uint32 getNumInputBuffers() const { return _input._buffersState.size(); }
uint32 getNumInputBuffers() const { return _input._invalidBuffers.size(); }
// this is the maximum per shader stage on the low end apple
// TODO make it platform dependant at init time
static const int MAX_NUM_UNIFORM_BUFFERS = 12;
uint32 getMaxNumUniformBuffers() const { return MAX_NUM_UNIFORM_BUFFERS; }
// this is the maximum per shader stage on the low end apple
// TODO make it platform dependant at init time
static const int MAX_NUM_RESOURCE_TEXTURES = 16;
uint32 getMaxNumResourceTextures() const { return MAX_NUM_RESOURCE_TEXTURES; }
// The State setters called by the GLState::Commands when a new state is assigned
void do_setStateFillMode(int32 mode);
@ -250,12 +259,16 @@ protected:
void killInput();
void syncInputStateCache();
void updateInput();
void resetInputStage();
struct InputStageState {
bool _invalidFormat = true;
Stream::FormatPointer _format;
typedef std::bitset<MAX_NUM_ATTRIBUTES> ActivationCache;
ActivationCache _attributeActivation;
typedef std::bitset<MAX_NUM_INPUT_BUFFERS> BuffersState;
BuffersState _buffersState;
BuffersState _invalidBuffers;
Buffers _buffers;
Offsets _bufferOffsets;
@ -266,23 +279,20 @@ protected:
Offset _indexBufferOffset;
Type _indexBufferType;
typedef std::bitset<MAX_NUM_ATTRIBUTES> ActivationCache;
ActivationCache _attributeActivation;
GLuint _defaultVAO;
InputStageState() :
_invalidFormat(true),
_format(0),
_buffersState(0),
_buffers(_buffersState.size(), BufferPointer(0)),
_bufferOffsets(_buffersState.size(), 0),
_bufferStrides(_buffersState.size(), 0),
_bufferVBOs(_buffersState.size(), 0),
_attributeActivation(0),
_invalidBuffers(0),
_buffers(_invalidBuffers.size(), BufferPointer(0)),
_bufferOffsets(_invalidBuffers.size(), 0),
_bufferStrides(_invalidBuffers.size(), 0),
_bufferVBOs(_invalidBuffers.size(), 0),
_indexBuffer(0),
_indexBufferOffset(0),
_indexBufferType(UINT32),
_attributeActivation(0),
_defaultVAO(0)
{}
} _input;
@ -298,6 +308,7 @@ protected:
// Synchronize the state cache of this Backend with the actual real state of the GL Context
void syncTransformStateCache();
void updateTransform();
void resetTransformStage();
struct TransformStageState {
TransformObject _transformObject;
TransformCamera _transformCamera;
@ -330,12 +341,31 @@ protected:
// Uniform Stage
void do_setUniformBuffer(Batch& batch, uint32 paramOffset);
void releaseUniformBuffer(int slot);
void resetUniformStage();
struct UniformStageState {
Buffers _buffers;
UniformStageState():
_buffers(MAX_NUM_UNIFORM_BUFFERS, nullptr)
{}
} _uniform;
// Resource Stage
void do_setResourceTexture(Batch& batch, uint32 paramOffset);
struct UniformStageState {
};
void releaseResourceTexture(int slot);
void resetResourceStage();
struct ResourceStageState {
Textures _textures;
ResourceStageState():
_textures(MAX_NUM_RESOURCE_TEXTURES, nullptr)
{}
} _resource;
// Pipeline Stage
void do_setPipeline(Batch& batch, uint32 paramOffset);
void do_setStateBlendFactor(Batch& batch, uint32 paramOffset);
@ -349,6 +379,7 @@ protected:
void syncPipelineStateCache();
// Grab the actual gl state into it's gpu::State equivalent. THis is used by the above call syncPipleineStateCache()
void getCurrentGLState(State::Data& state);
void resetPipelineStage();
struct PipelineStageState {
@ -388,6 +419,7 @@ protected:
// Synchronize the state cache of this Backend with the actual real state of the GL Context
void syncOutputStateCache();
void resetOutputStage();
struct OutputStageState {
@ -402,31 +434,20 @@ protected:
void do_endQuery(Batch& batch, uint32 paramOffset);
void do_getQuery(Batch& batch, uint32 paramOffset);
void resetQueryStage();
struct QueryStageState {
};
// Reset stages
void do_resetStages(Batch& batch, uint32 paramOffset);
void resetStages();
// TODO: As long as we have gl calls explicitely issued from interface
// code, we need to be able to record and batch these calls. THe long
// term strategy is to get rid of any GL calls in favor of the HIFI GPU API
void do_glEnable(Batch& batch, uint32 paramOffset);
void do_glDisable(Batch& batch, uint32 paramOffset);
void do_glActiveBindTexture(Batch& batch, uint32 paramOffset);
void do_glEnableClientState(Batch& batch, uint32 paramOffset);
void do_glDisableClientState(Batch& batch, uint32 paramOffset);
void do_glCullFace(Batch& batch, uint32 paramOffset);
void do_glAlphaFunc(Batch& batch, uint32 paramOffset);
void do_glDepthFunc(Batch& batch, uint32 paramOffset);
void do_glDepthMask(Batch& batch, uint32 paramOffset);
void do_glDepthRange(Batch& batch, uint32 paramOffset);
void do_glBindBuffer(Batch& batch, uint32 paramOffset);
void do_glBindTexture(Batch& batch, uint32 paramOffset);
void do_glActiveTexture(Batch& batch, uint32 paramOffset);
void do_glTexParameteri(Batch& batch, uint32 paramOffset);
void do_glDrawBuffers(Batch& batch, uint32 paramOffset);
void do_glUseProgram(Batch& batch, uint32 paramOffset);
void do_glUniform1i(Batch& batch, uint32 paramOffset);
void do_glUniform1f(Batch& batch, uint32 paramOffset);
void do_glUniform2f(Batch& batch, uint32 paramOffset);
@ -436,9 +457,6 @@ protected:
void do_glUniform4iv(Batch& batch, uint32 paramOffset);
void do_glUniformMatrix4fv(Batch& batch, uint32 paramOffset);
void do_glEnableVertexAttribArray(Batch& batch, uint32 paramOffset);
void do_glDisableVertexAttribArray(Batch& batch, uint32 paramOffset);
void do_glColor4f(Batch& batch, uint32 paramOffset);
void do_glLineWidth(Batch& batch, uint32 paramOffset);

59
libraries/gpu/src/gpu/GLBackendInput.cpp
View file

@ -52,7 +52,7 @@ void GLBackend::do_setInputBuffer(Batch& batch, uint32 paramOffset) {
}
if (isModified) {
_input._buffersState.set(channel);
_input._invalidBuffers.set(channel);
}
}
}
@ -154,7 +154,7 @@ void GLBackend::updateInput() {
_stats._ISNumFormatChanges++;
}
if (_input._buffersState.any()) {
if (_input._invalidBuffers.any()) {
int numBuffers = _input._buffers.size();
auto buffer = _input._buffers.data();
auto vbo = _input._bufferVBOs.data();
@ -162,7 +162,7 @@ void GLBackend::updateInput() {
auto stride = _input._bufferStrides.data();
for (int bufferNum = 0; bufferNum < numBuffers; bufferNum++) {
if (_input._buffersState.test(bufferNum)) {
if (_input._invalidBuffers.test(bufferNum)) {
glBindVertexBuffer(bufferNum, (*vbo), (*offset), (*stride));
}
buffer++;
@ -170,11 +170,11 @@ void GLBackend::updateInput() {
offset++;
stride++;
}
_input._buffersState.reset();
_input._invalidBuffers.reset();
(void) CHECK_GL_ERROR();
}
#else
if (_input._invalidFormat || _input._buffersState.any()) {
if (_input._invalidFormat || _input._invalidBuffers.any()) {
if (_input._invalidFormat) {
InputStageState::ActivationCache newActivation;
@ -232,7 +232,7 @@ void GLBackend::updateInput() {
if ((channelIt).first < buffers.size()) {
int bufferNum = (channelIt).first;
if (_input._buffersState.test(bufferNum) || _input._invalidFormat) {
if (_input._invalidBuffers.test(bufferNum) || _input._invalidFormat) {
// GLuint vbo = gpu::GLBackend::getBufferID((*buffers[bufferNum]));
GLuint vbo = _input._bufferVBOs[bufferNum];
if (boundVBO != vbo) {
@ -240,7 +240,7 @@ void GLBackend::updateInput() {
(void) CHECK_GL_ERROR();
boundVBO = vbo;
}
_input._buffersState[bufferNum] = false;
_input._invalidBuffers[bufferNum] = false;
for (unsigned int i = 0; i < channel._slots.size(); i++) {
const Stream::Attribute& attrib = attributes.at(channel._slots[i]);
@ -285,6 +285,51 @@ void GLBackend::updateInput() {
#endif
}
void GLBackend::resetInputStage() {
// Reset index buffer
_input._indexBufferType = UINT32;
_input._indexBufferOffset = 0;
_input._indexBuffer.reset();
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
(void) CHECK_GL_ERROR();
#if defined(SUPPORT_VAO)
// TODO
#else
glBindBuffer(GL_ARRAY_BUFFER, 0);
size_t i = 0;
#if defined(SUPPORT_LEGACY_OPENGL)
for (; i < NUM_CLASSIC_ATTRIBS; i++) {
glDisableClientState(attributeSlotToClassicAttribName[i]);
}
glVertexPointer(4, GL_FLOAT, 0, 0);
glNormalPointer(GL_FLOAT, 0, 0);
glColorPointer(4, GL_FLOAT, 0, 0);
glTexCoordPointer(4, GL_FLOAT, 0, 0);
#endif
for (; i < _input._attributeActivation.size(); i++) {
glDisableVertexAttribArray(i);
glVertexAttribPointer(i, 4, GL_FLOAT, GL_FALSE, 0, 0);
}
#endif
// Reset vertex buffer and format
_input._format.reset();
_input._invalidFormat = false;
_input._attributeActivation.reset();
for (int i = 0; i < _input._buffers.size(); i++) {
_input._buffers[i].reset();
_input._bufferOffsets[i] = 0;
_input._bufferStrides[i] = 0;
_input._bufferVBOs[i] = 0;
}
_input._invalidBuffers.reset();
}
void GLBackend::do_setIndexBuffer(Batch& batch, uint32 paramOffset) {
_input._indexBufferType = (Type) batch._params[paramOffset + 2]._uint;

23
libraries/gpu/src/gpu/GLBackendOutput.cpp
View file

@ -177,6 +177,13 @@ void GLBackend::syncOutputStateCache() {
_output._framebuffer.reset();
}
void GLBackend::resetOutputStage() {
if (_output._framebuffer) {
_output._framebuffer.reset();
_output._drawFBO = 0;
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
}
}
void GLBackend::do_setFramebuffer(Batch& batch, uint32 paramOffset) {
auto framebuffer = batch._framebuffers.get(batch._params[paramOffset]._uint);
@ -206,12 +213,21 @@ void GLBackend::do_clearFramebuffer(Batch& batch, uint32 paramOffset) {
if (masks & Framebuffer::BUFFER_STENCIL) {
glClearStencil(stencil);
glmask |= GL_STENCIL_BUFFER_BIT;
// TODO: we will probably need to also check the write mask of stencil like we do
// for depth buffer, but as would say a famous Fez owner "We'll cross that bridge when we come to it"
}
bool restoreDepthMask = false;
if (masks & Framebuffer::BUFFER_DEPTH) {
glClearDepth(depth);
glmask |= GL_DEPTH_BUFFER_BIT;
}
bool cacheDepthMask = _pipeline._stateCache.depthTest.getWriteMask();
if (!cacheDepthMask) {
restoreDepthMask = true;
glDepthMask(GL_TRUE);
}
}
std::vector<GLenum> drawBuffers;
if (masks & Framebuffer::BUFFER_COLORS) {
@ -245,6 +261,11 @@ void GLBackend::do_clearFramebuffer(Batch& batch, uint32 paramOffset) {
glDisable(GL_SCISSOR_TEST);
}
// Restore write mask meaning turn back off
if (restoreDepthMask) {
glDepthMask(GL_FALSE);
}
// Restore the color draw buffers only if a frmaebuffer is bound
if (_output._framebuffer && !drawBuffers.empty()) {
auto glFramebuffer = syncGPUObject(*_output._framebuffer);

104
libraries/gpu/src/gpu/GLBackendPipeline.cpp
View file

@ -164,15 +164,74 @@ void GLBackend::updatePipeline() {
#endif
}
void GLBackend::resetPipelineStage() {
// First reset State to default
State::Signature resetSignature(0);
resetPipelineState(resetSignature);
_pipeline._state = nullptr;
_pipeline._invalidState = false;
// Second the shader side
_pipeline._invalidProgram = false;
_pipeline._program = 0;
_pipeline._pipeline.reset();
glUseProgram(0);
}
void GLBackend::releaseUniformBuffer(int slot) {
#if (GPU_FEATURE_PROFILE == GPU_CORE)
auto& buf = _uniform._buffers[slot];
if (buf) {
auto* object = Backend::getGPUObject<GLBackend::GLBuffer>(*buf);
if (object) {
GLuint bo = object->_buffer;
glBindBufferBase(GL_UNIFORM_BUFFER, slot, 0); // RELEASE
(void) CHECK_GL_ERROR();
}
buf.reset();
}
#endif
}
void GLBackend::resetUniformStage() {
for (int i = 0; i < _uniform._buffers.size(); i++) {
releaseUniformBuffer(i);
}
}
void GLBackend::do_setUniformBuffer(Batch& batch, uint32 paramOffset) {
GLuint slot = batch._params[paramOffset + 3]._uint;
BufferPointer uniformBuffer = batch._buffers.get(batch._params[paramOffset + 2]._uint);
GLintptr rangeStart = batch._params[paramOffset + 1]._uint;
GLsizeiptr rangeSize = batch._params[paramOffset + 0]._uint;
#if (GPU_FEATURE_PROFILE == GPU_CORE)
GLuint bo = getBufferID(*uniformBuffer);
glBindBufferRange(GL_UNIFORM_BUFFER, slot, bo, rangeStart, rangeSize);
if (!uniformBuffer) {
releaseUniformBuffer(slot);
return;
}
// check cache before thinking
if (_uniform._buffers[slot] == uniformBuffer) {
return;
}
// Sync BufferObject
auto* object = GLBackend::syncGPUObject(*uniformBuffer);
if (object) {
glBindBufferRange(GL_UNIFORM_BUFFER, slot, object->_buffer, rangeStart, rangeSize);
_uniform._buffers[slot] = uniformBuffer;
(void) CHECK_GL_ERROR();
} else {
releaseResourceTexture(slot);
return;
}
#else
// because we rely on the program uniform mechanism we need to have
// the program bound, thank you MacOSX Legacy profile.
@ -184,19 +243,49 @@ void GLBackend::do_setUniformBuffer(Batch& batch, uint32 paramOffset) {
// NOT working so we ll stick to the uniform float array until we move to core profile
// GLuint bo = getBufferID(*uniformBuffer);
//glUniformBufferEXT(_shader._program, slot, bo);
#endif
(void) CHECK_GL_ERROR();
#endif
}
void GLBackend::releaseResourceTexture(int slot) {
auto& tex = _resource._textures[slot];
if (tex) {
auto* object = Backend::getGPUObject<GLBackend::GLTexture>(*tex);
if (object) {
GLuint to = object->_texture;
GLuint target = object->_target;
glActiveTexture(GL_TEXTURE0 + slot);
glBindTexture(target, 0); // RELEASE
(void) CHECK_GL_ERROR();
}
tex.reset();
}
}
void GLBackend::resetResourceStage() {
for (int i = 0; i < _resource._textures.size(); i++) {
releaseResourceTexture(i);
}
}
void GLBackend::do_setResourceTexture(Batch& batch, uint32 paramOffset) {
GLuint slot = batch._params[paramOffset + 1]._uint;
TexturePointer uniformTexture = batch._textures.get(batch._params[paramOffset + 0]._uint);
TexturePointer resourceTexture = batch._textures.get(batch._params[paramOffset + 0]._uint);
if (!uniformTexture) {
if (!resourceTexture) {
releaseResourceTexture(slot);
return;
}
// check cache before thinking
if (_resource._textures[slot] == resourceTexture) {
return;
}
GLTexture* object = GLBackend::syncGPUObject(*uniformTexture);
// Always make sure the GLObject is in sync
GLTexture* object = GLBackend::syncGPUObject(*resourceTexture);
if (object) {
GLuint to = object->_texture;
GLuint target = object->_target;
@ -205,7 +294,10 @@ void GLBackend::do_setResourceTexture(Batch& batch, uint32 paramOffset) {
(void) CHECK_GL_ERROR();
_resource._textures[slot] = resourceTexture;
} else {
releaseResourceTexture(slot);
return;
}
}

4
libraries/gpu/src/gpu/GLBackendQuery.cpp
View file

@ -104,3 +104,7 @@ void GLBackend::do_getQuery(Batch& batch, uint32 paramOffset) {
(void)CHECK_GL_ERROR();
}
}
void GLBackend::resetQueryStage() {
}

7
libraries/gpu/src/gpu/GLBackendState.cpp
View file

@ -482,9 +482,14 @@ void GLBackend::syncPipelineStateCache() {
State::Data state;
glEnable(GL_TEXTURE_CUBE_MAP_SEAMLESS);
// Point size is always on
glEnable(GL_PROGRAM_POINT_SIZE_EXT);
glEnable(GL_VERTEX_PROGRAM_POINT_SIZE);
getCurrentGLState(state);
State::Signature signature = State::evalSignature(state);
_pipeline._stateCache = state;
_pipeline._stateSignatureCache = signature;
}

4
libraries/gpu/src/gpu/GLBackendTransform.cpp
View file

@ -184,4 +184,6 @@ void GLBackend::updateTransform() {
_transform._invalidView = _transform._invalidProj = _transform._invalidModel = _transform._invalidViewport = false;
}
void GLBackend::resetTransformStage() {
}

2
libraries/render-utils/src/AmbientOcclusionEffect.cpp
View file

@ -164,7 +164,7 @@ const gpu::PipelinePointer& AmbientOcclusion::getBlendPipeline() {
// Blend on transparent
state->setBlendFunction(true,
gpu::State::SRC_COLOR, gpu::State::BLEND_OP_ADD, gpu::State::DEST_COLOR);
gpu::State::INV_SRC_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::SRC_ALPHA);
// Good to go add the brand new pipeline
_blendPipeline.reset(gpu::Pipeline::create(program, state));

2
libraries/render-utils/src/GeometryCache.cpp
View file

@ -1998,7 +1998,7 @@ void GeometryReader::run() {
} else if (_url.path().toLower().endsWith("palaceoforinthilian4.fbx")) {
lightmapLevel = 3.5f;
}
fbxgeo = readFBX(_reply, _mapping, grabLightmaps, lightmapLevel);
fbxgeo = readFBX(_reply, _mapping, _url.path(), grabLightmaps, lightmapLevel);
} else if (_url.path().toLower().endsWith(".obj")) {
fbxgeo = OBJReader().readOBJ(_reply, _mapping, &_url);
}

3
libraries/render-utils/src/RenderDeferredTask.cpp
View file

@ -113,9 +113,6 @@ RenderDeferredTask::RenderDeferredTask() : Task() {
_drawHitEffectJobIndex = _jobs.size() -1;
_jobs.push_back(Job(new ResetGLState::JobModel()));
// Give ourselves 3 frmaes of timer queries
_timerQueries.push_back(std::make_shared<gpu::Query>());
_timerQueries.push_back(std::make_shared<gpu::Query>());

272
libraries/render-utils/src/ambient_occlusion.slf
View file

@ -18,6 +18,9 @@
<$declareStandardTransform()$>
// Based on NVidia HBAO implementation in D3D11
// http://www.nvidia.co.uk/object/siggraph-2008-HBAO.html
varying vec2 varTexcoord;
uniform sampler2D depthTexture;
@ -30,80 +33,213 @@ uniform float g_intensity;
uniform float bufferWidth;
uniform float bufferHeight;
#define SAMPLE_COUNT 4
const float PI = 3.14159265;
float getRandom(vec2 uv) {
const vec2 FocalLen = vec2(1.0, 1.0);
const vec2 LinMAD = vec2(0.1-10.0, 0.1+10.0) / (2.0*0.1*10.0);
const vec2 AORes = vec2(1024.0, 768.0);
const vec2 InvAORes = vec2(1.0/1024.0, 1.0/768.0);
const vec2 NoiseScale = vec2(1024.0, 768.0) / 4.0;
const float AOStrength = 1.9;
const float R = 0.3;
const float R2 = 0.3*0.3;
const float NegInvR2 = - 1.0 / (0.3*0.3);
const float TanBias = tan(30.0 * PI / 180.0);
const float MaxRadiusPixels = 50.0;
const int NumDirections = 6;
const int NumSamples = 4;
float ViewSpaceZFromDepth(float d){
// [0,1] -> [-1,1] clip space
d = d * 2.0 - 1.0;
// Get view space Z
return -1.0 / (LinMAD.x * d + LinMAD.y);
}
vec3 UVToViewSpace(vec2 uv, float z){
//uv = UVToViewA * uv + UVToViewB;
return vec3(uv * z, z);
}
vec3 GetViewPos(vec2 uv){
float z = ViewSpaceZFromDepth(texture2D(depthTexture, uv).r);
return UVToViewSpace(uv, z);
}
vec3 GetViewPosPoint(ivec2 uv){
vec2 coord = vec2(gl_FragCoord.xy) + uv;
//float z = texelFetch(texture0, coord, 0).r;
float z = texture2D(depthTexture, uv).r;
return UVToViewSpace(uv, z);
}
float TanToSin(float x){
return x * inversesqrt(x*x + 1.0);
}
float InvLength(vec2 V){
return inversesqrt(dot(V,V));
}
float Tangent(vec3 V){
return V.z * InvLength(V.xy);
}
float BiasedTangent(vec3 V){
return V.z * InvLength(V.xy) + TanBias;
}
float Tangent(vec3 P, vec3 S){
return -(P.z - S.z) * InvLength(S.xy - P.xy);
}
float Length2(vec3 V){
return dot(V,V);
}
vec3 MinDiff(vec3 P, vec3 Pr, vec3 Pl){
vec3 V1 = Pr - P;
vec3 V2 = P - Pl;
return (Length2(V1) < Length2(V2)) ? V1 : V2;
}
vec2 SnapUVOffset(vec2 uv){
return round(uv * AORes) * InvAORes;
}
float Falloff(float d2){
return d2 * NegInvR2 + 1.0f;
}
float HorizonOcclusion( vec2 deltaUV, vec3 P, vec3 dPdu, vec3 dPdv, float randstep, float numSamples){
float ao = 0;
// Offset the first coord with some noise
vec2 uv = varTexcoord + SnapUVOffset(randstep*deltaUV);
deltaUV = SnapUVOffset( deltaUV );
// Calculate the tangent vector
vec3 T = deltaUV.x * dPdu + deltaUV.y * dPdv;
// Get the angle of the tangent vector from the viewspace axis
float tanH = BiasedTangent(T);
float sinH = TanToSin(tanH);
float tanS;
float d2;
vec3 S;
// Sample to find the maximum angle
for(float s = 1; s <= numSamples; ++s){
uv += deltaUV;
S = GetViewPos(uv);
tanS = Tangent(P, S);
d2 = Length2(S - P);
// Is the sample within the radius and the angle greater?
if(d2 < R2 && tanS > tanH)
{
float sinS = TanToSin(tanS);
// Apply falloff based on the distance
ao += Falloff(d2) * (sinS - sinH);
tanH = tanS;
sinH = sinS;
}
}
return ao;
}
vec2 RotateDirections(vec2 Dir, vec2 CosSin){
return vec2(Dir.x*CosSin.x - Dir.y*CosSin.y, Dir.x*CosSin.y + Dir.y*CosSin.x);
}
void ComputeSteps(inout vec2 stepSizeUv, inout float numSteps, float rayRadiusPix, float rand){
// Avoid oversampling if numSteps is greater than the kernel radius in pixels
numSteps = min(NumSamples, rayRadiusPix);
// Divide by Ns+1 so that the farthest samples are not fully attenuated
float stepSizePix = rayRadiusPix / (numSteps + 1);
// Clamp numSteps if it is greater than the max kernel footprint
float maxNumSteps = MaxRadiusPixels / stepSizePix;
if (maxNumSteps < numSteps)
{
// Use dithering to avoid AO discontinuities
numSteps = floor(maxNumSteps + rand);
numSteps = max(numSteps, 1);
stepSizePix = MaxRadiusPixels / numSteps;
}
// Step size in uv space
stepSizeUv = stepSizePix * InvAORes;
}
float getRandom(vec2 uv){
return fract(sin(dot(uv.xy ,vec2(12.9898,78.233))) * 43758.5453);
}
void main(void) {
vec3 sampleKernel[4] = { vec3(0.2, 0.0, 0.0),
vec3(0.0, 0.2, 0.0),
vec3(0.0, 0.0, 0.2),
vec3(0.2, 0.2, 0.2) };
void main(void){
float numDirections = NumDirections;
TransformCamera cam = getTransformCamera();
TransformObject obj = getTransformObject();
vec3 P, Pr, Pl, Pt, Pb;
P = GetViewPos(varTexcoord);
vec3 eyeDir = vec3(0.0, 0.0, -3.0);
vec3 cameraPositionWorldSpace;
<$transformEyeToWorldDir(cam, eyeDir, cameraPositionWorldSpace)$>
// Sample neighboring pixels
Pr = GetViewPos(varTexcoord + vec2( InvAORes.x, 0));
Pl = GetViewPos(varTexcoord + vec2(-InvAORes.x, 0));
Pt = GetViewPos(varTexcoord + vec2( 0, InvAORes.y));
Pb = GetViewPos(varTexcoord + vec2( 0,-InvAORes.y));
vec4 depthColor = texture2D(depthTexture, varTexcoord);
// Calculate tangent basis vectors using the minimum difference
vec3 dPdu = MinDiff(P, Pr, Pl);
vec3 dPdv = MinDiff(P, Pt, Pb) * (AORes.y * InvAORes.x);
// z in non linear range [0,1]
float depthVal = depthColor.r;
// conversion into NDC [-1,1]
float zNDC = depthVal * 2.0 - 1.0;
float n = 1.0; // the near plane
float f = 30.0; // the far plane
float l = -1.0; // left
float r = 1.0; // right
float b = -1.0; // bottom
float t = 1.0; // top
// conversion into eye space
float zEye = 2*f*n / (zNDC*(f-n)-(f+n));
// Converting from pixel coordinates to NDC
float xNDC = gl_FragCoord.x/bufferWidth * 2.0 - 1.0;
float yNDC = gl_FragCoord.y/bufferHeight * 2.0 - 1.0;
// Unprojecting X and Y from NDC to eye space
float xEye = -zEye*(xNDC*(r-l)+(r+l))/(2.0*n);
float yEye = -zEye*(yNDC*(t-b)+(t+b))/(2.0*n);
vec3 currentFragEyeSpace = vec3(xEye, yEye, zEye);
vec3 currentFragWorldSpace;
<$transformEyeToWorldDir(cam, currentFragEyeSpace, currentFragWorldSpace)$>
vec3 cameraToPositionRay = normalize(currentFragWorldSpace - cameraPositionWorldSpace);
vec3 origin = cameraToPositionRay * depthVal + cameraPositionWorldSpace;
vec3 normal = normalize(texture2D(normalTexture, varTexcoord).xyz);
//normal = normalize(normal * normalMatrix);
vec3 rvec = vec3(getRandom(varTexcoord.xy), getRandom(varTexcoord.yx), getRandom(varTexcoord.xx)) * 2.0 - 1.0;
vec3 tangent = normalize(rvec - normal * dot(rvec, normal));
vec3 bitangent = cross(normal, tangent);
mat3 tbn = mat3(tangent, bitangent, normal);
float occlusion = 0.0;
for (int i = 0; i < SAMPLE_COUNT; ++i) {
vec3 samplePos = origin + (tbn * sampleKernel[i]) * g_sample_rad;
vec4 offset = cam._projectionViewUntranslated * vec4(samplePos, 1.0);
offset.xy = (offset.xy / offset.w) * 0.5 + 0.5;
float depth = length(samplePos - cameraPositionWorldSpace);
float sampleDepthVal = texture2D(depthTexture, offset.xy).r;
float rangeDelta = abs(depthVal - sampleDepthVal);
float rangeCheck = smoothstep(0.0, 1.0, g_sample_rad / rangeDelta);
occlusion += rangeCheck * step(sampleDepthVal, depth);
}
occlusion = 1.0 - occlusion / float(SAMPLE_COUNT);
occlusion = clamp(pow(occlusion, g_intensity), 0.0, 1.0);
gl_FragColor = vec4(vec3(occlusion), 1.0);
}
// Get the random samples from the noise function
vec3 random = vec3(getRandom(varTexcoord.xy), getRandom(varTexcoord.yx), getRandom(varTexcoord.xx));
// Calculate the projected size of the hemisphere
vec2 rayRadiusUV = 0.5 * R * FocalLen / -P.z;
float rayRadiusPix = rayRadiusUV.x * AORes.x;
float ao = 1.0;
// Make sure the radius of the evaluated hemisphere is more than a pixel
if(rayRadiusPix > 1.0){
ao = 0.0;
float numSteps;
vec2 stepSizeUV;
// Compute the number of steps
ComputeSteps(stepSizeUV, numSteps, rayRadiusPix, random.z);
float alpha = 2.0 * PI / numDirections;
// Calculate the horizon occlusion of each direction
for(float d = 0; d < numDirections; ++d){
float theta = alpha * d;
// Apply noise to the direction
vec2 dir = RotateDirections(vec2(cos(theta), sin(theta)), random.xy);
vec2 deltaUV = dir * stepSizeUV;
// Sample the pixels along the direction
ao += HorizonOcclusion( deltaUV,
P,
dPdu,
dPdv,
random.z,
numSteps);
}
// Average the results and produce the final AO
ao = 1.0 - ao / numDirections * AOStrength;
}
gl_FragColor = vec4(vec3(ao), 1.0);
}

7
libraries/render-utils/src/occlusion_blend.slf
View file

@ -21,9 +21,6 @@ uniform sampler2D blurredOcclusionTexture;
void main(void) {
vec4 occlusionColor = texture2D(blurredOcclusionTexture, varTexcoord);
if(occlusionColor.r > 0.8 && occlusionColor.r <= 1.0) {
gl_FragColor = vec4(vec3(0.0), 0.0);
} else {
gl_FragColor = vec4(vec3(occlusionColor.r), 1.0);
}
gl_FragColor = vec4(vec3(0.0), occlusionColor.r);
}

40
libraries/render/src/render/DrawTask.cpp
View file

@ -216,46 +216,6 @@ void render::renderItems(const SceneContextPointer& sceneContext, const RenderCo
}
}
void addClearStateCommands(gpu::Batch& batch) {
batch._glDepthMask(true);
batch._glDepthFunc(GL_LESS);
batch._glDisable(GL_CULL_FACE);
batch._glActiveTexture(GL_TEXTURE0 + 1);
batch._glBindTexture(GL_TEXTURE_2D, 0);
batch._glActiveTexture(GL_TEXTURE0 + 2);
batch._glBindTexture(GL_TEXTURE_2D, 0);
batch._glActiveTexture(GL_TEXTURE0 + 3);
batch._glBindTexture(GL_TEXTURE_2D, 0);
batch._glActiveTexture(GL_TEXTURE0);
batch._glBindTexture(GL_TEXTURE_2D, 0);
// deactivate vertex arrays after drawing
batch._glDisableClientState(GL_NORMAL_ARRAY);
batch._glDisableClientState(GL_VERTEX_ARRAY);
batch._glDisableClientState(GL_TEXTURE_COORD_ARRAY);
batch._glDisableClientState(GL_COLOR_ARRAY);
batch._glDisableVertexAttribArray(gpu::Stream::TANGENT);
batch._glDisableVertexAttribArray(gpu::Stream::SKIN_CLUSTER_INDEX);
batch._glDisableVertexAttribArray(gpu::Stream::SKIN_CLUSTER_WEIGHT);
// bind with 0 to switch back to normal operation
batch._glBindBuffer(GL_ARRAY_BUFFER, 0);
batch._glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
batch._glBindTexture(GL_TEXTURE_2D, 0);
// Back to no program
batch._glUseProgram(0);
}
void ResetGLState::run(const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext) {
gpu::Batch theBatch;
addClearStateCommands(theBatch);
assert(renderContext->args);
renderContext->args->_context->render(theBatch);
}
void DrawLight::run(const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext) {
assert(renderContext->args);
assert(renderContext->args->_viewFrustum);

8
libraries/render/src/render/DrawTask.h
View file

@ -260,14 +260,6 @@ public:
typedef Job::Model<DrawBackground> JobModel;
};
class ResetGLState {
public:
void run(const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext);
typedef Job::Model<ResetGLState> JobModel;
};
class DrawSceneTask : public Task {
public:

2
tools/vhacd-util/src/VHACDUtil.cpp
View file

@ -38,7 +38,7 @@ bool vhacd::VHACDUtil::loadFBX(const QString filename, FBXGeometry& result) {
if (filename.toLower().endsWith(".obj")) {
result = OBJReader().readOBJ(fbxContents, QVariantHash());
} else if (filename.toLower().endsWith(".fbx")) {
result = readFBX(fbxContents, QVariantHash());
result = readFBX(fbxContents, QVariantHash(), filename);
} else {
qDebug() << "unknown file extension";
return false;