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Merge pull request #5962 from samcake/calvin

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Rendering the background elements after opaque and only work on the far pixels
This commit is contained in:
Brad Hefta-Gaub 2015-10-02 11:38:45 -07:00
commit 4c556dd43a
23 changed files with 435 additions and 120 deletions
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2
interface/src/Stars.cpp
View file

@ -141,6 +141,7 @@ void Stars::render(RenderArgs* renderArgs, float alpha) {
auto state = gpu::StatePointer(new gpu::State());
// enable decal blend
state->setDepthTest(gpu::State::DepthTest(false));
state->setStencilTest(true, 0xFF, gpu::State::StencilTest(0, 0xFF, gpu::EQUAL, gpu::State::STENCIL_OP_KEEP, gpu::State::STENCIL_OP_KEEP, gpu::State::STENCIL_OP_KEEP));
state->setBlendFunction(true, gpu::State::SRC_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::INV_SRC_ALPHA);
_gridPipeline.reset(gpu::Pipeline::create(program, state));
}
@ -152,6 +153,7 @@ void Stars::render(RenderArgs* renderArgs, float alpha) {
auto state = gpu::StatePointer(new gpu::State());
// enable decal blend
state->setDepthTest(gpu::State::DepthTest(false));
state->setStencilTest(true, 0xFF, gpu::State::StencilTest(0, 0xFF, gpu::EQUAL, gpu::State::STENCIL_OP_KEEP, gpu::State::STENCIL_OP_KEEP, gpu::State::STENCIL_OP_KEEP));
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));

28
libraries/gpu/src/gpu/DrawUnitQuadTexcoord.slv Normal file
View file

@ -0,0 +1,28 @@
<@include gpu/Config.slh@>
<$VERSION_HEADER$>
// Generated on <$_SCRIBE_DATE$>
//
// Draw the unit quad [-1,-1 -> 1,1] amd pass along the unit texcoords [0, 0 -> 1, 1]. Not transform used.
// Simply draw a Triangle_strip of 2 triangles, no input buffers or index buffer needed
//
// Created by Sam Gateau on 6/22/2015
// Copyright 2015 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
out vec2 varTexCoord0;
void main(void) {
const vec4 UNIT_QUAD[4] = vec4[4](
vec4(-1.0, -1.0, 0.0, 1.0),
vec4(1.0, -1.0, 0.0, 1.0),
vec4(-1.0, 1.0, 0.0, 1.0),
vec4(1.0, 1.0, 0.0, 1.0)
);
vec4 pos = UNIT_QUAD[gl_VertexID];
varTexCoord0 = (pos.xy + 1) * 0.5;
gl_Position = pos;
}

8
libraries/gpu/src/gpu/Framebuffer.cpp
View file

@ -247,7 +247,13 @@ bool Framebuffer::setDepthStencilBuffer(const TexturePointer& texture, const For
_bufferMask = ( _bufferMask & ~BUFFER_DEPTHSTENCIL);
if (texture) {
_bufferMask |= BUFFER_DEPTHSTENCIL;
if (format.getSemantic() == gpu::DEPTH) {
_bufferMask |= BUFFER_DEPTH;
} else if (format.getSemantic() == gpu::STENCIL) {
_bufferMask |= BUFFER_STENCIL;
} else if (format.getSemantic() == gpu::DEPTH_STENCIL) {
_bufferMask |= BUFFER_DEPTHSTENCIL;
}
}
return true;

2
libraries/gpu/src/gpu/Framebuffer.h
View file

@ -116,6 +116,8 @@ public:
bool isEmpty() const { return (_bufferMask == 0); }
bool hasColor() const { return (getBufferMask() & BUFFER_COLORS); }
bool hasDepthStencil() const { return (getBufferMask() & BUFFER_DEPTHSTENCIL); }
bool hasDepth() const { return (getBufferMask() & BUFFER_DEPTH); }
bool hasStencil() const { return (getBufferMask() & BUFFER_STENCIL); }
bool validateTargetCompatibility(const Texture& texture, uint32 subresource = 0) const;

39
libraries/gpu/src/gpu/GLBackend.cpp
View file

@ -132,20 +132,26 @@ void GLBackend::renderPassTransfer(Batch& batch) {
const size_t numCommands = batch.getCommands().size();
const Batch::Commands::value_type* command = batch.getCommands().data();
const Batch::CommandOffsets::value_type* offset = batch.getCommandOffsets().data();
for (auto& cached : batch._buffers._items) {
if (cached._data) {
syncGPUObject(*cached._data);
{ // Sync all the buffers
PROFILE_RANGE("syncGPUBuffer");
for (auto& cached : batch._buffers._items) {
if (cached._data) {
syncGPUObject(*cached._data);
}
}
}
// Reset the transform buffers
_transform._cameras.resize(0);
_transform._cameraOffsets.clear();
_transform._objects.resize(0);
_transform._objectOffsets.clear();
for (_commandIndex = 0; _commandIndex < numCommands; ++_commandIndex) {
switch (*command) {
{ // Sync all the buffers
PROFILE_RANGE("syncCPUTransform");
_transform._cameras.resize(0);
_transform._cameraOffsets.clear();
_transform._objects.resize(0);
_transform._objectOffsets.clear();
for (_commandIndex = 0; _commandIndex < numCommands; ++_commandIndex) {
switch (*command) {
case Batch::COMMAND_draw:
case Batch::COMMAND_drawIndexed:
case Batch::COMMAND_drawInstanced:
@ -164,11 +170,16 @@ void GLBackend::renderPassTransfer(Batch& batch) {
default:
break;
}
command++;
offset++;
}
command++;
offset++;
}
_transform.transfer();
{ // Sync the transform buffers
PROFILE_RANGE("syncGPUTransform");
_transform.transfer();
}
}
void GLBackend::renderPassDraw(Batch& batch) {

13
libraries/gpu/src/gpu/GLBackendOutput.cpp
View file

@ -100,7 +100,18 @@ GLBackend::GLFramebuffer* GLBackend::syncGPUObject(const Framebuffer& framebuffe
if (surface) {
auto gltexture = GLBackend::syncGPUObject(*surface);
if (gltexture) {
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, gltexture->_texture, 0);
GLenum attachement = GL_DEPTH_STENCIL_ATTACHMENT;
if (!framebuffer.hasStencil()) {
attachement = GL_DEPTH_ATTACHMENT;
glFramebufferTexture2D(GL_FRAMEBUFFER, attachement, GL_TEXTURE_2D, gltexture->_texture, 0);
} else if (!framebuffer.hasDepth()) {
attachement = GL_STENCIL_ATTACHMENT;
glFramebufferTexture2D(GL_FRAMEBUFFER, attachement, GL_TEXTURE_2D, gltexture->_texture, 0);
} else {
attachement = GL_DEPTH_STENCIL_ATTACHMENT;
glFramebufferRenderbuffer(GL_FRAMEBUFFER, attachement, GL_RENDERBUFFER, gltexture->_texture);
}
(void) CHECK_GL_ERROR();
}
}
}

22
libraries/gpu/src/gpu/GLBackendState.cpp
View file

@ -642,8 +642,13 @@ void GLBackend::do_setStateStencil(State::StencilActivation activation, State::S
if (activation.isEnabled()) {
glEnable(GL_STENCIL_TEST);
glStencilMaskSeparate(GL_FRONT, activation.getWriteMaskFront());
glStencilMaskSeparate(GL_BACK, activation.getWriteMaskBack());
if (activation.getWriteMaskFront() != activation.getWriteMaskBack()) {
glStencilMaskSeparate(GL_FRONT, activation.getWriteMaskFront());
glStencilMaskSeparate(GL_BACK, activation.getWriteMaskBack());
} else {
glStencilMask(activation.getWriteMaskFront());
}
static GLenum STENCIL_OPS[] = {
GL_KEEP,
@ -655,11 +660,16 @@ void GLBackend::do_setStateStencil(State::StencilActivation activation, State::S
GL_INCR,
GL_DECR };
glStencilFuncSeparate(GL_FRONT, STENCIL_OPS[frontTest.getFailOp()], STENCIL_OPS[frontTest.getPassOp()], STENCIL_OPS[frontTest.getDepthFailOp()]);
glStencilFuncSeparate(GL_FRONT, GL_COMPARISON_FUNCTIONS[frontTest.getFunction()], frontTest.getReference(), frontTest.getReadMask());
if (frontTest != backTest) {
glStencilOpSeparate(GL_FRONT, STENCIL_OPS[frontTest.getFailOp()], STENCIL_OPS[frontTest.getPassOp()], STENCIL_OPS[frontTest.getDepthFailOp()]);
glStencilFuncSeparate(GL_FRONT, GL_COMPARISON_FUNCTIONS[frontTest.getFunction()], frontTest.getReference(), frontTest.getReadMask());
glStencilFuncSeparate(GL_BACK, STENCIL_OPS[backTest.getFailOp()], STENCIL_OPS[backTest.getPassOp()], STENCIL_OPS[backTest.getDepthFailOp()]);
glStencilFuncSeparate(GL_BACK, GL_COMPARISON_FUNCTIONS[backTest.getFunction()], backTest.getReference(), backTest.getReadMask());
glStencilOpSeparate(GL_BACK, STENCIL_OPS[backTest.getFailOp()], STENCIL_OPS[backTest.getPassOp()], STENCIL_OPS[backTest.getDepthFailOp()]);
glStencilFuncSeparate(GL_BACK, GL_COMPARISON_FUNCTIONS[backTest.getFunction()], backTest.getReference(), backTest.getReadMask());
} else {
glStencilOp(STENCIL_OPS[frontTest.getFailOp()], STENCIL_OPS[frontTest.getPassOp()], STENCIL_OPS[frontTest.getDepthFailOp()]);
glStencilFunc(GL_COMPARISON_FUNCTIONS[frontTest.getFunction()], frontTest.getReference(), frontTest.getReadMask());
}
} else {
glDisable(GL_STENCIL_TEST);
}

48
libraries/gpu/src/gpu/GLBackendTexture.cpp
View file

@ -66,7 +66,9 @@ public:
texel.internalFormat = GL_RG;
break;
case gpu::DEPTH_STENCIL:
texel.internalFormat = GL_DEPTH_STENCIL;
texel.type = GL_UNSIGNED_BYTE;
texel.format = GL_DEPTH_STENCIL;
texel.internalFormat = GL_DEPTH24_STENCIL8;
break;
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
@ -197,7 +199,9 @@ public:
texel.internalFormat = GL_RG;
break;
case gpu::DEPTH_STENCIL:
texel.internalFormat = GL_DEPTH_STENCIL;
texel.type = GL_UNSIGNED_BYTE;
texel.format = GL_DEPTH_STENCIL;
texel.internalFormat = GL_DEPTH24_STENCIL8;
break;
default:
qCDebug(gpulogging) << "Unknown combination of texel format";
@ -334,22 +338,34 @@ GLBackend::GLTexture* GLBackend::syncGPUObject(const Texture& texture) {
}
GLTexelFormat texelFormat = GLTexelFormat::evalGLTexelFormat(texture.getTexelFormat(), srcFormat);
glTexImage2D(GL_TEXTURE_2D, 0,
texelFormat.internalFormat, texture.getWidth(), texture.getHeight(), 0,
texelFormat.format, texelFormat.type, bytes);
if (bytes && texture.isAutogenerateMips()) {
glGenerateMipmap(GL_TEXTURE_2D);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
}/* else {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
}*/
object->_target = GL_TEXTURE_2D;
auto semantic = texture.getTexelFormat().getSemantic();
syncSampler(texture.getSampler(), texture.getType(), object);
if (semantic == gpu::DEPTH_STENCIL) {
glBindTexture(GL_TEXTURE_2D, 0);
glDeleteTextures(1, &object->_texture);
glGenRenderbuffers(1, &object->_texture);
glBindRenderbuffer(GL_RENDERBUFFER, object->_texture);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, texture.getWidth(), texture.getHeight());
// At this point the mip pixels have been loaded, we can notify
texture.notifyMipFaceGPULoaded(0, 0);
glBindRenderbuffer(GL_RENDERBUFFER, 0);
} else {
glTexImage2D(GL_TEXTURE_2D, 0,
texelFormat.internalFormat, texture.getWidth(), texture.getHeight(), 0,
texelFormat.format, texelFormat.type, bytes);
if (bytes && texture.isAutogenerateMips()) {
glGenerateMipmap(GL_TEXTURE_2D);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
}
object->_target = GL_TEXTURE_2D;
syncSampler(texture.getSampler(), texture.getType(), object);
}
// At this point the mip pixels have been loaded, we can notify
texture.notifyMipFaceGPULoaded(0, 0);

30
libraries/gpu/src/gpu/GLBackendTransform.cpp
View file

@ -130,19 +130,27 @@ void GLBackend::TransformStageState::preUpdate(size_t commandIndex, const Stereo
void GLBackend::TransformStageState::transfer() const {
static QByteArray bufferData;
glBindBuffer(GL_UNIFORM_BUFFER, _cameraBuffer);
bufferData.resize(_cameraUboSize * _cameras.size());
for (size_t i = 0; i < _cameras.size(); ++i) {
memcpy(bufferData.data() + (_cameraUboSize * i), &_cameras[i], sizeof(TransformCamera));
if (!_cameras.empty()) {
glBindBuffer(GL_UNIFORM_BUFFER, _cameraBuffer);
bufferData.resize(_cameraUboSize * _cameras.size());
for (size_t i = 0; i < _cameras.size(); ++i) {
memcpy(bufferData.data() + (_cameraUboSize * i), &_cameras[i], sizeof(TransformCamera));
}
glBufferData(GL_UNIFORM_BUFFER, bufferData.size(), bufferData.data(), GL_DYNAMIC_DRAW);
}
glBufferData(GL_UNIFORM_BUFFER, bufferData.size(), bufferData.data(), GL_DYNAMIC_DRAW);
glBindBuffer(GL_UNIFORM_BUFFER, _objectBuffer);
bufferData.resize(_objectUboSize * _objects.size());
for (size_t i = 0; i < _objects.size(); ++i) {
memcpy(bufferData.data() + (_objectUboSize * i), &_objects[i], sizeof(TransformObject));
if (!_objects.empty()) {
glBindBuffer(GL_UNIFORM_BUFFER, _objectBuffer);
bufferData.resize(_objectUboSize * _objects.size());
for (size_t i = 0; i < _objects.size(); ++i) {
memcpy(bufferData.data() + (_objectUboSize * i), &_objects[i], sizeof(TransformObject));
}
glBufferData(GL_UNIFORM_BUFFER, bufferData.size(), bufferData.data(), GL_DYNAMIC_DRAW);
}
if (!_cameras.empty() || !_objects.empty()) {
glBindBuffer(GL_UNIFORM_BUFFER, 0);
}
glBufferData(GL_UNIFORM_BUFFER, bufferData.size(), bufferData.data(), GL_DYNAMIC_DRAW);
glBindBuffer(GL_UNIFORM_BUFFER, 0);
CHECK_GL_ERROR();
}

8
libraries/gpu/src/gpu/StandardShaderLib.cpp
View file

@ -12,6 +12,7 @@
//
#include "StandardShaderLib.h"
#include "DrawUnitQuadTexcoord_vert.h"
#include "DrawTransformUnitQuad_vert.h"
#include "DrawTexcoordRectTransformUnitQuad_vert.h"
#include "DrawViewportQuadTransformTexcoord_vert.h"
@ -21,6 +22,7 @@
using namespace gpu;
ShaderPointer StandardShaderLib::_drawUnitQuadTexcoordVS;
ShaderPointer StandardShaderLib::_drawTransformUnitQuadVS;
ShaderPointer StandardShaderLib::_drawTexcoordRectTransformUnitQuadVS;
ShaderPointer StandardShaderLib::_drawViewportQuadTransformTexcoordVS;
@ -55,6 +57,12 @@ ShaderPointer StandardShaderLib::getProgram(GetShader getVS, GetShader getPS) {
}
ShaderPointer StandardShaderLib::getDrawUnitQuadTexcoordVS() {
if (!_drawUnitQuadTexcoordVS) {
_drawUnitQuadTexcoordVS = gpu::ShaderPointer(gpu::Shader::createVertex(std::string(DrawUnitQuadTexcoord_vert)));
}
return _drawUnitQuadTexcoordVS;
}
ShaderPointer StandardShaderLib::getDrawTransformUnitQuadVS() {
if (!_drawTransformUnitQuadVS) {

4
libraries/gpu/src/gpu/StandardShaderLib.h
View file

@ -23,6 +23,9 @@ namespace gpu {
class StandardShaderLib {
public:
// Shader draws the unit quad in the full viewport clipPos = ([(-1,-1),(1,1)]) and the unit texcoord = [(0,0),(1,1)].
static ShaderPointer getDrawUnitQuadTexcoordVS();
// Shader draw the unit quad objectPos = ([(-1,-1),(1,1)]) and transform it by the full model transform stack (Model, View, Proj).
// A texcoord attribute is also generated texcoord = [(0,0),(1,1)]
static ShaderPointer getDrawTransformUnitQuadVS();
@ -44,6 +47,7 @@ public:
protected:
static ShaderPointer _drawUnitQuadTexcoordVS;
static ShaderPointer _drawTransformUnitQuadVS;
static ShaderPointer _drawTexcoordRectTransformUnitQuadVS;
static ShaderPointer _drawViewportQuadTransformTexcoordVS;

6
libraries/gpu/src/gpu/State.h
View file

@ -143,11 +143,11 @@ public:
static const int PASS_OP_OFFSET = 12;
uint16 _functionAndOperations;
uint8 _reference = 0;
int8 _reference = 0;
uint8 _readMask = 0xff;
public:
StencilTest(uint8 reference = 0, uint8 readMask =0xFF, ComparisonFunction func = ALWAYS, StencilOp failOp = STENCIL_OP_KEEP, StencilOp depthFailOp = STENCIL_OP_KEEP, StencilOp passOp = STENCIL_OP_KEEP) :
StencilTest(int8 reference = 0, uint8 readMask =0xFF, ComparisonFunction func = ALWAYS, StencilOp failOp = STENCIL_OP_KEEP, StencilOp depthFailOp = STENCIL_OP_KEEP, StencilOp passOp = STENCIL_OP_KEEP) :
_functionAndOperations(func | (failOp << FAIL_OP_OFFSET) | (depthFailOp << DEPTH_FAIL_OP_OFFSET) | (passOp << PASS_OP_OFFSET)),
_reference(reference), _readMask(readMask)
{}
@ -157,7 +157,7 @@ public:
StencilOp getDepthFailOp() const { return StencilOp((_functionAndOperations & DEPTH_FAIL_OP_MASK) >> DEPTH_FAIL_OP_OFFSET); }
StencilOp getPassOp() const { return StencilOp((_functionAndOperations & PASS_OP_MASK) >> PASS_OP_OFFSET); }
uint8 getReference() const { return _reference; }
int8 getReference() const { return _reference; }
uint8 getReadMask() const { return _readMask; }
int32 getRaw() const { return *(reinterpret_cast<const int32*>(this)); }

123
libraries/model/src/model/Skybox.cpp
View file

@ -21,6 +21,8 @@
using namespace model;
Skybox::Skybox() {
Data data;
_dataBuffer = gpu::BufferView(std::make_shared<gpu::Buffer>(sizeof(Data), (const gpu::Byte*) &data));
/* // PLease create a default engineer skybox
_cubemap.reset( gpu::Texture::createCube(gpu::Element::COLOR_RGBA_32, 1));
@ -36,7 +38,7 @@ Skybox::Skybox() {
}
void Skybox::setColor(const Color& color) {
_color = color;
_dataBuffer.edit<Data>()._color = color;
}
void Skybox::setCubemap(const gpu::TexturePointer& cubemap) {
@ -44,12 +46,40 @@ void Skybox::setCubemap(const gpu::TexturePointer& cubemap) {
}
void Skybox::updateDataBuffer() const {
auto blend = 0.0f;
if (getCubemap() && getCubemap()->isDefined()) {
blend = 1.0f;
// If pitch black neutralize the color
if (glm::all(glm::equal(getColor(), glm::vec3(0.0f)))) {
blend = 2.0f;
}
}
if (blend != _dataBuffer.get<Data>()._blend) {
_dataBuffer.edit<Data>()._blend = blend;
}
}
void Skybox::render(gpu::Batch& batch, const ViewFrustum& frustum) const {
updateDataBuffer();
Skybox::render(batch, frustum, (*this));
}
void Skybox::render(gpu::Batch& batch, const ViewFrustum& viewFrustum, const Skybox& skybox) {
// Create the static shared elements used to render the skybox
static gpu::BufferPointer theBuffer;
static gpu::Stream::FormatPointer theFormat;
if (skybox.getCubemap()) {
if (!theBuffer) {
static gpu::BufferPointer theConstants;
static gpu::PipelinePointer thePipeline;
const int SKYBOX_SKYMAP_SLOT = 0;
const int SKYBOX_CONSTANTS_SLOT = 0;
static std::once_flag once;
std::call_once(once, [&] {
{
const float CLIP = 1.0f;
const glm::vec2 vertices[4] = { { -CLIP, -CLIP }, { CLIP, -CLIP }, { -CLIP, CLIP }, { CLIP, CLIP } };
theBuffer = std::make_shared<gpu::Buffer>(sizeof(vertices), (const gpu::Byte*) vertices);
@ -57,62 +87,49 @@ void Skybox::render(gpu::Batch& batch, const ViewFrustum& viewFrustum, const Sky
theFormat->setAttribute(gpu::Stream::POSITION, gpu::Stream::POSITION, gpu::Element(gpu::VEC2, gpu::FLOAT, gpu::XYZ));
}
glm::mat4 projMat;
viewFrustum.evalProjectionMatrix(projMat);
{
auto skyVS = gpu::ShaderPointer(gpu::Shader::createVertex(std::string(Skybox_vert)));
auto skyFS = gpu::ShaderPointer(gpu::Shader::createPixel(std::string(Skybox_frag)));
auto skyShader = gpu::ShaderPointer(gpu::Shader::createProgram(skyVS, skyFS));
Transform viewTransform;
viewFrustum.evalViewTransform(viewTransform);
batch.setProjectionTransform(projMat);
batch.setViewTransform(viewTransform);
batch.setModelTransform(Transform()); // only for Mac
batch.setInputBuffer(gpu::Stream::POSITION, theBuffer, 0, 8);
batch.setInputFormat(theFormat);
gpu::Shader::BindingSet bindings;
bindings.insert(gpu::Shader::Binding(std::string("cubeMap"), SKYBOX_SKYMAP_SLOT));
bindings.insert(gpu::Shader::Binding(std::string("skyboxBuffer"), SKYBOX_CONSTANTS_SLOT));
if (!gpu::Shader::makeProgram(*skyShader, bindings)) {
if (skybox.getCubemap() && skybox.getCubemap()->isDefined()) {
static gpu::BufferPointer theConstants;
static gpu::PipelinePointer thePipeline;
static int SKYBOX_CONSTANTS_SLOT = 0; // need to be defined by the compilation of the shader
if (!thePipeline) {
auto skyVS = gpu::ShaderPointer(gpu::Shader::createVertex(std::string(Skybox_vert)));
auto skyFS = gpu::ShaderPointer(gpu::Shader::createPixel(std::string(Skybox_frag)));
auto skyShader = gpu::ShaderPointer(gpu::Shader::createProgram(skyVS, skyFS));
gpu::Shader::BindingSet bindings;
bindings.insert(gpu::Shader::Binding(std::string("cubeMap"), 0));
if (!gpu::Shader::makeProgram(*skyShader, bindings)) {
}
SKYBOX_CONSTANTS_SLOT = skyShader->getBuffers().findLocation("skyboxBuffer");
if (SKYBOX_CONSTANTS_SLOT == gpu::Shader::INVALID_LOCATION) {
SKYBOX_CONSTANTS_SLOT = skyShader->getUniforms().findLocation("skyboxBuffer");
}
auto skyState = std::make_shared<gpu::State>();
thePipeline = gpu::PipelinePointer(gpu::Pipeline::create(skyShader, skyState));
auto color = glm::vec4(1.0f);
theConstants = std::make_shared<gpu::Buffer>(sizeof(color), (const gpu::Byte*) &color);
}
if (glm::all(glm::equal(skybox.getColor(), glm::vec3(0.0f)))) {
auto color = glm::vec4(1.0f);
theConstants->setSubData(0, sizeof(color), (const gpu::Byte*) &color);
} else {
theConstants->setSubData(0, sizeof(Color), (const gpu::Byte*) &skybox.getColor());
}
auto skyState = std::make_shared<gpu::State>();
skyState->setStencilTest(true, 0xFF, gpu::State::StencilTest(0, 0xFF, gpu::EQUAL, gpu::State::STENCIL_OP_KEEP, gpu::State::STENCIL_OP_KEEP, gpu::State::STENCIL_OP_KEEP));
batch.setPipeline(thePipeline);
batch.setUniformBuffer(SKYBOX_CONSTANTS_SLOT, theConstants, 0, theConstants->getSize());
batch.setResourceTexture(0, skybox.getCubemap());
batch.draw(gpu::TRIANGLE_STRIP, 4);
thePipeline = gpu::PipelinePointer(gpu::Pipeline::create(skyShader, skyState));
}
});
} else {
// skybox has no cubemap, just clear the color buffer
auto color = skybox.getColor();
batch.clearFramebuffer(gpu::Framebuffer::BUFFER_COLOR0, glm::vec4(color, 0.0f), 0.0f, 0, true);
// Render
glm::mat4 projMat;
viewFrustum.evalProjectionMatrix(projMat);
Transform viewTransform;
viewFrustum.evalViewTransform(viewTransform);
batch.setProjectionTransform(projMat);
batch.setViewTransform(viewTransform);
batch.setModelTransform(Transform()); // only for Mac
batch.setInputBuffer(gpu::Stream::POSITION, theBuffer, 0, 8);
batch.setInputFormat(theFormat);
gpu::TexturePointer skymap;
if (skybox.getCubemap() && skybox.getCubemap()->isDefined()) {
skymap = skybox.getCubemap();
}
batch.setPipeline(thePipeline);
batch.setUniformBuffer(SKYBOX_CONSTANTS_SLOT, skybox._dataBuffer);
batch.setResourceTexture(SKYBOX_SKYMAP_SLOT, skymap);
batch.draw(gpu::TRIANGLE_STRIP, 4);
batch.setResourceTexture(SKYBOX_SKYMAP_SLOT, nullptr);
}

18
libraries/model/src/model/Skybox.h
View file

@ -30,20 +30,28 @@ public:
virtual ~Skybox() {};
void setColor(const Color& color);
const Color& getColor() const { return _color; }
const Color getColor() const { return _dataBuffer.get<Data>()._color; }
void setCubemap(const gpu::TexturePointer& cubemap);
const gpu::TexturePointer& getCubemap() const { return _cubemap; }
virtual void render(gpu::Batch& batch, const ViewFrustum& frustum) const {
render(batch, frustum, (*this));
}
virtual void render(gpu::Batch& batch, const ViewFrustum& frustum) const;
static void render(gpu::Batch& batch, const ViewFrustum& frustum, const Skybox& skybox);
protected:
gpu::TexturePointer _cubemap;
Color _color{1.0f, 1.0f, 1.0f};
class Data {
public:
glm::vec3 _color{ 1.0f, 1.0f, 1.0f };
float _blend = 1.0f;
};
mutable gpu::BufferView _dataBuffer;
void updateDataBuffer() const;
};
typedef std::shared_ptr< Skybox > SkyboxPointer;

14
libraries/model/src/model/Skybox.slf
View file

@ -40,8 +40,18 @@ void main(void) {
#else
vec3 coord = normalize(_normal);
vec3 texel = texture(cubeMap, coord).rgb;
vec3 color = texel * _skybox._color.rgb;
// Skybox color or blend with skymap
vec3 color = _skybox._color.rgb;
if (_skybox._color.a > 0.0) {
vec3 texel = texture(cubeMap, coord).rgb;
if (_skybox._color.a < 2.0) {
color *= texel;
} else {
color = texel;
}
}
vec3 pixel = pow(color, vec3(1.0/2.2)); // manual Gamma correction
_fragColor = vec4(pixel, 0.0);

4
libraries/procedural/src/procedural/ProceduralSkybox.cpp
View file

@ -32,7 +32,8 @@ void ProceduralSkybox::setProcedural(const ProceduralPointer& procedural) {
if (_procedural) {
_procedural->_vertexSource = ProceduralSkybox_vert;
_procedural->_fragmentSource = ProceduralSkybox_frag;
// No pipeline state customization
// Adjust the pipeline state for background using the stencil test
_procedural->_state->setStencilTest(true, 0xFF, gpu::State::StencilTest(0, 0xFF, gpu::EQUAL, gpu::State::STENCIL_OP_KEEP, gpu::State::STENCIL_OP_KEEP, gpu::State::STENCIL_OP_KEEP));
}
}
@ -42,6 +43,7 @@ void ProceduralSkybox::render(gpu::Batch& batch, const ViewFrustum& frustum) con
void ProceduralSkybox::render(gpu::Batch& batch, const ViewFrustum& viewFrustum, const ProceduralSkybox& skybox) {
if (!(skybox._procedural)) {
skybox.updateDataBuffer();
Skybox::render(batch, viewFrustum, skybox);
}

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

@ -62,7 +62,7 @@ void Environment::setupAtmosphereProgram(const char* vertSource, const char* fra
auto state = std::make_shared<gpu::State>();
state->setCullMode(gpu::State::CULL_NONE);
state->setDepthTest(false);
state->setStencilTest(true, 0xFF, gpu::State::StencilTest(0, 0xFF, gpu::EQUAL, gpu::State::STENCIL_OP_KEEP, gpu::State::STENCIL_OP_KEEP, gpu::State::STENCIL_OP_KEEP));
state->setBlendFunction(true,
gpu::State::SRC_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::INV_SRC_ALPHA,
gpu::State::FACTOR_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::ONE);

23
libraries/render-utils/src/FramebufferCache.cpp
View file

@ -35,7 +35,9 @@ void FramebufferCache::setFrameBufferSize(QSize frameBufferSize) {
_frameBufferSize = frameBufferSize;
_primaryFramebufferFull.reset();
_primaryFramebufferDepthColor.reset();
_primaryFramebufferStencilColor.reset();
_primaryDepthTexture.reset();
_primaryStencilTexture.reset();
_primaryColorTexture.reset();
_primaryNormalTexture.reset();
_primarySpecularTexture.reset();
@ -47,6 +49,7 @@ void FramebufferCache::setFrameBufferSize(QSize frameBufferSize) {
void FramebufferCache::createPrimaryFramebuffer() {
_primaryFramebufferFull = gpu::FramebufferPointer(gpu::Framebuffer::create());
_primaryFramebufferDepthColor = gpu::FramebufferPointer(gpu::Framebuffer::create());
_primaryFramebufferStencilColor = gpu::FramebufferPointer(gpu::Framebuffer::create());
auto colorFormat = gpu::Element(gpu::VEC4, gpu::NUINT8, gpu::RGBA);
auto width = _frameBufferSize.width();
@ -63,12 +66,19 @@ void FramebufferCache::createPrimaryFramebuffer() {
_primaryFramebufferDepthColor->setRenderBuffer(0, _primaryColorTexture);
_primaryFramebufferStencilColor->setRenderBuffer(0, _primaryColorTexture);
auto depthFormat = gpu::Element(gpu::SCALAR, gpu::FLOAT, gpu::DEPTH);
_primaryDepthTexture = gpu::TexturePointer(gpu::Texture::create2D(depthFormat, width, height, defaultSampler));
auto stencilFormat = gpu::Element(gpu::VEC2, gpu::UINT32, gpu::DEPTH_STENCIL);
_primaryStencilTexture = gpu::TexturePointer(gpu::Texture::create2D(stencilFormat, width, height, defaultSampler));
_primaryFramebufferFull->setDepthStencilBuffer(_primaryDepthTexture, depthFormat);
_primaryFramebufferDepthColor->setDepthStencilBuffer(_primaryDepthTexture, depthFormat);
_primaryFramebufferStencilColor->setDepthStencilBuffer(_primaryStencilTexture, stencilFormat);
_selfieFramebuffer = gpu::FramebufferPointer(gpu::Framebuffer::create());
auto tex = gpu::TexturePointer(gpu::Texture::create2D(colorFormat, width * 0.5, height * 0.5, defaultSampler));
@ -89,6 +99,12 @@ gpu::FramebufferPointer FramebufferCache::getPrimaryFramebufferDepthColor() {
return _primaryFramebufferDepthColor;
}
gpu::FramebufferPointer FramebufferCache::getPrimaryFramebufferStencilColor() {
if (!_primaryFramebufferStencilColor) {
createPrimaryFramebuffer();
}
return _primaryFramebufferStencilColor;
}
gpu::TexturePointer FramebufferCache::getPrimaryDepthTexture() {
if (!_primaryDepthTexture) {
@ -97,6 +113,13 @@ gpu::TexturePointer FramebufferCache::getPrimaryDepthTexture() {
return _primaryDepthTexture;
}
gpu::TexturePointer FramebufferCache::getPrimaryStencilTexture() {
if (!_primaryStencilTexture) {
createPrimaryFramebuffer();
}
return _primaryStencilTexture;
}
gpu::TexturePointer FramebufferCache::getPrimaryColorTexture() {
if (!_primaryColorTexture) {
createPrimaryFramebuffer();

4
libraries/render-utils/src/FramebufferCache.h
View file

@ -31,8 +31,10 @@ public:
/// used for scene rendering.
gpu::FramebufferPointer getPrimaryFramebuffer();
gpu::FramebufferPointer getPrimaryFramebufferDepthColor();
gpu::FramebufferPointer getPrimaryFramebufferStencilColor();
gpu::TexturePointer getPrimaryDepthTexture();
gpu::TexturePointer getPrimaryStencilTexture();
gpu::TexturePointer getPrimaryColorTexture();
gpu::TexturePointer getPrimaryNormalTexture();
gpu::TexturePointer getPrimarySpecularTexture();
@ -58,7 +60,9 @@ private:
gpu::FramebufferPointer _primaryFramebufferFull;
gpu::FramebufferPointer _primaryFramebufferDepthColor;
gpu::FramebufferPointer _primaryFramebufferStencilColor;
gpu::TexturePointer _primaryDepthTexture;
gpu::TexturePointer _primaryStencilTexture;
gpu::TexturePointer _primaryColorTexture;
gpu::TexturePointer _primaryNormalTexture;
gpu::TexturePointer _primarySpecularTexture;

115
libraries/render-utils/src/RenderDeferredTask.cpp
View file

@ -15,6 +15,7 @@
#include <RenderArgs.h>
#include <ViewFrustum.h>
#include <gpu/Context.h>
#include <gpu/StandardShaderLib.h>
#include "FramebufferCache.h"
#include "DeferredLightingEffect.h"
@ -28,21 +29,27 @@
#include "overlay3D_vert.h"
#include "overlay3D_frag.h"
#include "drawOpaqueStencil_frag.h"
using namespace render;
void SetupDeferred::run(const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext) {
RenderArgs* args = renderContext->args;
gpu::doInBatch(args->_context, [=](gpu::Batch& batch) {
auto primaryFboStencil = DependencyManager::get<FramebufferCache>()->getPrimaryFramebufferStencilColor();
auto primaryFbo = DependencyManager::get<FramebufferCache>()->getPrimaryFramebufferDepthColor();
batch.enableStereo(false);
batch.setFramebuffer(nullptr);
batch.setFramebuffer(primaryFbo);
batch.setViewportTransform(args->_viewport);
batch.setStateScissorRect(args->_viewport);
batch.setFramebuffer(primaryFboStencil);
batch.clearFramebuffer(
gpu::Framebuffer::BUFFER_STENCIL,
vec4(vec3(0), 1), 1.0, 0.0, true);
batch.setFramebuffer(primaryFbo);
batch.clearFramebuffer(
gpu::Framebuffer::BUFFER_COLOR0 |
gpu::Framebuffer::BUFFER_DEPTH,
@ -65,7 +72,6 @@ void ResolveDeferred::run(const SceneContextPointer& sceneContext, const RenderC
RenderDeferredTask::RenderDeferredTask() : Task() {
_jobs.push_back(Job(new SetupDeferred::JobModel("SetupFramebuffer")));
_jobs.push_back(Job(new DrawBackground::JobModel("DrawBackground")));
_jobs.push_back(Job(new PrepareDeferred::JobModel("PrepareDeferred")));
_jobs.push_back(Job(new FetchItems::JobModel("FetchOpaque",
@ -79,7 +85,10 @@ RenderDeferredTask::RenderDeferredTask() : Task() {
_jobs.push_back(Job(new DepthSortItems::JobModel("DepthSortOpaque", _jobs.back().getOutput())));
auto& renderedOpaques = _jobs.back().getOutput();
_jobs.push_back(Job(new DrawOpaqueDeferred::JobModel("DrawOpaqueDeferred", _jobs.back().getOutput())));
_jobs.push_back(Job(new DrawStencilDeferred::JobModel("DrawOpaqueStencil")));
_jobs.push_back(Job(new DrawBackgroundDeferred::JobModel("DrawBackgroundDeferred")));
_jobs.push_back(Job(new DrawLight::JobModel("DrawLight")));
_jobs.push_back(Job(new RenderDeferred::JobModel("RenderDeferred")));
_jobs.push_back(Job(new ResolveDeferred::JobModel("ResolveDeferred")));
@ -226,7 +235,9 @@ const gpu::PipelinePointer& DrawOverlay3D::getOpaquePipeline() {
auto program = gpu::ShaderPointer(gpu::Shader::createProgram(vs, ps));
auto state = std::make_shared<gpu::State>();
state->setDepthTest(true, true, gpu::LESS_EQUAL);
state->setDepthTest(false);
// additive blending
state->setBlendFunction(true, gpu::State::ONE, gpu::State::BLEND_OP_ADD, gpu::State::ONE);
_opaquePipeline.reset(gpu::Pipeline::create(program, state));
}
@ -289,3 +300,95 @@ void DrawOverlay3D::run(const SceneContextPointer& sceneContext, const RenderCon
args->_whiteTexture.reset();
}
}
gpu::PipelinePointer DrawStencilDeferred::_opaquePipeline;
const gpu::PipelinePointer& DrawStencilDeferred::getOpaquePipeline() {
if (!_opaquePipeline) {
const gpu::int8 STENCIL_OPAQUE = 1;
auto vs = gpu::StandardShaderLib::getDrawUnitQuadTexcoordVS();
auto ps = gpu::ShaderPointer(gpu::Shader::createPixel(std::string(drawOpaqueStencil_frag)));
auto program = gpu::ShaderPointer(gpu::Shader::createProgram(vs, ps));
gpu::Shader::makeProgram((*program));
auto state = std::make_shared<gpu::State>();
state->setStencilTest(true, 0xFF, gpu::State::StencilTest(STENCIL_OPAQUE, 0xFF, gpu::ALWAYS, gpu::State::STENCIL_OP_REPLACE, gpu::State::STENCIL_OP_REPLACE, gpu::State::STENCIL_OP_REPLACE));
state->setColorWriteMask(0);
_opaquePipeline.reset(gpu::Pipeline::create(program, state));
}
return _opaquePipeline;
}
void DrawStencilDeferred::run(const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext) {
assert(renderContext->args);
assert(renderContext->args->_viewFrustum);
// from the touched pixel generate the stencil buffer
RenderArgs* args = renderContext->args;
doInBatch(args->_context, [=](gpu::Batch& batch) {
args->_batch = &batch;
auto primaryFboColorDepthStencil = DependencyManager::get<FramebufferCache>()->getPrimaryFramebufferStencilColor();
auto primaryDepth = DependencyManager::get<FramebufferCache>()->getPrimaryDepthTexture();
batch.enableStereo(false);
batch.setFramebuffer(primaryFboColorDepthStencil);
batch.setViewportTransform(args->_viewport);
batch.setStateScissorRect(args->_viewport);
batch.setPipeline(getOpaquePipeline());
batch.setResourceTexture(0, primaryDepth);
batch.draw(gpu::TRIANGLE_STRIP, 4);
batch.setResourceTexture(0, nullptr);
});
args->_batch = nullptr;
}
void DrawBackgroundDeferred::run(const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext) {
assert(renderContext->args);
assert(renderContext->args->_viewFrustum);
// render backgrounds
auto& scene = sceneContext->_scene;
auto& items = scene->getMasterBucket().at(ItemFilter::Builder::background());
ItemIDsBounds inItems;
inItems.reserve(items.size());
for (auto id : items) {
inItems.emplace_back(id);
}
RenderArgs* args = renderContext->args;
doInBatch(args->_context, [=](gpu::Batch& batch) {
args->_batch = &batch;
auto primaryFboColorStencil = DependencyManager::get<FramebufferCache>()->getPrimaryFramebufferStencilColor();
auto primaryFboFull = DependencyManager::get<FramebufferCache>()->getPrimaryFramebuffer();
batch.enableSkybox(true);
batch.setFramebuffer(primaryFboColorStencil);
batch.setViewportTransform(args->_viewport);
batch.setStateScissorRect(args->_viewport);
glm::mat4 projMat;
Transform viewMat;
args->_viewFrustum->evalProjectionMatrix(projMat);
args->_viewFrustum->evalViewTransform(viewMat);
batch.setProjectionTransform(projMat);
batch.setViewTransform(viewMat);
renderItems(sceneContext, renderContext, inItems);
batch.setFramebuffer(primaryFboFull);
});
args->_batch = nullptr;
}

17
libraries/render-utils/src/RenderDeferredTask.h
View file

@ -59,6 +59,23 @@ public:
typedef render::Job::ModelI<DrawTransparentDeferred, render::ItemIDsBounds> JobModel;
};
class DrawStencilDeferred {
static gpu::PipelinePointer _opaquePipeline; //lazy evaluation hence mutable
public:
static const gpu::PipelinePointer& getOpaquePipeline();
void run(const render::SceneContextPointer& sceneContext, const render::RenderContextPointer& renderContext);
typedef render::Job::Model<DrawStencilDeferred> JobModel;
};
class DrawBackgroundDeferred {
public:
void run(const render::SceneContextPointer& sceneContext, const render::RenderContextPointer& renderContext);
typedef render::Job::Model<DrawBackgroundDeferred> JobModel;
};
class DrawOverlay3D {
static gpu::PipelinePointer _opaquePipeline; //lazy evaluation hence mutable
public:

24
libraries/render-utils/src/drawOpaqueStencil.slf Normal file
View file

@ -0,0 +1,24 @@
<@include gpu/Config.slh@>
<$VERSION_HEADER$>
// Generated on <$_SCRIBE_DATE$>
//
// drawOpaqueStencil.frag
// fragment shader
//
// Created by Sam Gateau on 9/29/15.
// Copyright 2015 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
in vec2 varTexCoord0;
uniform sampler2D depthTexture;
void main(void) {
float depth = texture(depthTexture, varTexCoord0.xy).r;
if (depth >= 1.0) {
discard;
}
}

1
libraries/render/src/render/DrawTask.h
View file

@ -257,6 +257,7 @@ class DrawBackground {
public:
void run(const SceneContextPointer& sceneContext, const RenderContextPointer& renderContext);
typedef Job::Model<DrawBackground> JobModel;
};