Mirrors/overte-JulianGro
3
0
Fork 0
mirror of https://github.com/JulianGro/overte.git synced 2025-04-25 17:14:59 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Big cleanup of unecessary shaders and legacy from deferred lighting, and messing around with the stencil

Browse source
This commit is contained in:
Sam Cake 2017-05-31 00:55:28 -07:00
parent 8559ed6260
commit 32c5dac66a
12 changed files with 49 additions and 385 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
libraries/gpu/src/gpu/DrawVertexPosition.slv Normal file
View file

@ -0,0 +1,19 @@
<@include gpu/Config.slh@>
<$VERSION_HEADER$>
// Generated on <$_SCRIBE_DATE$>
//
// Draw the fed vertex position, pass straight as clip pos
// Output the clip position
//
// Created by Sam Gateau on 5/30/2017
// Copyright 2017 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
//
layout(location = 0) in vec4 inPosition;
void main(void) {
gl_Position = inPosition;
}

10
libraries/gpu/src/gpu/StandardShaderLib.cpp
View file

@ -16,6 +16,7 @@
#include "DrawTransformUnitQuad_vert.h"
#include "DrawTexcoordRectTransformUnitQuad_vert.h"
#include "DrawViewportQuadTransformTexcoord_vert.h"
#include "DrawVertexPosition_vert.h"
#include "DrawTransformVertexPosition_vert.h"
#include "DrawWhite_frag.h"
#include "DrawTexture_frag.h"
@ -28,6 +29,7 @@ ShaderPointer StandardShaderLib::_drawUnitQuadTexcoordVS;
ShaderPointer StandardShaderLib::_drawTransformUnitQuadVS;
ShaderPointer StandardShaderLib::_drawTexcoordRectTransformUnitQuadVS;
ShaderPointer StandardShaderLib::_drawViewportQuadTransformTexcoordVS;
ShaderPointer StandardShaderLib::_drawVertexPositionVS;
ShaderPointer StandardShaderLib::_drawTransformVertexPositionVS;
ShaderPointer StandardShaderLib::_drawWhitePS;
ShaderPointer StandardShaderLib::_drawTexturePS;
@ -88,6 +90,14 @@ ShaderPointer StandardShaderLib::getDrawViewportQuadTransformTexcoordVS() {
}
return _drawViewportQuadTransformTexcoordVS;
}
ShaderPointer StandardShaderLib::getDrawVertexPositionVS() {
if (!_drawVertexPositionVS) {
_drawVertexPositionVS = gpu::Shader::createVertex(std::string(DrawVertexPosition_vert));
}
return _drawVertexPositionVS;
}
ShaderPointer StandardShaderLib::getDrawTransformVertexPositionVS() {
if (!_drawTransformVertexPositionVS) {
_drawTransformVertexPositionVS = gpu::Shader::createVertex(std::string(DrawTransformVertexPosition_vert));

3
libraries/gpu/src/gpu/StandardShaderLib.h
View file

@ -39,6 +39,7 @@ public:
// Shader draw the fed vertex position and transform it by the full model transform stack (Model, View, Proj).
// simply output the world pos and the clip pos to the next stage
static ShaderPointer getDrawVertexPositionVS();
static ShaderPointer getDrawTransformVertexPositionVS();
static ShaderPointer getDrawWhitePS();
@ -56,6 +57,8 @@ protected:
static ShaderPointer _drawTransformUnitQuadVS;
static ShaderPointer _drawTexcoordRectTransformUnitQuadVS;
static ShaderPointer _drawViewportQuadTransformTexcoordVS;
static ShaderPointer _drawVertexPositionVS;
static ShaderPointer _drawTransformVertexPositionVS;
static ShaderPointer _drawWhitePS;

66
libraries/render-utils/src/DeferredLightingEffect.cpp
View file

@ -27,18 +27,15 @@
#include "deferred_light_point_vert.h"
#include "deferred_light_spot_vert.h"
#include "directional_light_frag.h"
#include "directional_ambient_light_frag.h"
#include "directional_skybox_light_frag.h"
#include "directional_light_shadow_frag.h"
#include "directional_ambient_light_shadow_frag.h"
#include "directional_skybox_light_shadow_frag.h"
#include "local_lights_shading_frag.h"
#include "local_lights_drawOutline_frag.h"
#include "point_light_frag.h"
#include "spot_light_frag.h"
using namespace render;
@ -82,48 +79,26 @@ enum DeferredShader_BufferSlot {
};
static void loadLightProgram(const char* vertSource, const char* fragSource, bool lightVolume, gpu::PipelinePointer& program, LightLocationsPtr& locations);
static void loadLightVolumeProgram(const char* vertSource, const char* fragSource, bool front, gpu::PipelinePointer& program, LightLocationsPtr& locations);
const char no_light_frag[] =
R"SCRIBE(
out vec4 _fragColor;
void main(void) {
_fragColor = vec4(1.0, 1.0, 1.0, 1.0);
}
)SCRIBE"
;
void DeferredLightingEffect::init() {
_directionalLightLocations = std::make_shared<LightLocations>();
_directionalAmbientSphereLightLocations = std::make_shared<LightLocations>();
_directionalSkyboxLightLocations = std::make_shared<LightLocations>();
_directionalLightShadowLocations = std::make_shared<LightLocations>();
_directionalAmbientSphereLightShadowLocations = std::make_shared<LightLocations>();
_directionalSkyboxLightShadowLocations = std::make_shared<LightLocations>();
_localLightLocations = std::make_shared<LightLocations>();
_localLightOutlineLocations = std::make_shared<LightLocations>();
_pointLightLocations = std::make_shared<LightLocations>();
_spotLightLocations = std::make_shared<LightLocations>();
loadLightProgram(deferred_light_vert, directional_light_frag, false, _directionalLight, _directionalLightLocations);
loadLightProgram(deferred_light_vert, directional_ambient_light_frag, false, _directionalAmbientSphereLight, _directionalAmbientSphereLightLocations);
loadLightProgram(deferred_light_vert, directional_skybox_light_frag, false, _directionalSkyboxLight, _directionalSkyboxLightLocations);
loadLightProgram(deferred_light_vert, directional_light_shadow_frag, false, _directionalLightShadow, _directionalLightShadowLocations);
loadLightProgram(deferred_light_vert, directional_ambient_light_shadow_frag, false, _directionalAmbientSphereLightShadow, _directionalAmbientSphereLightShadowLocations);
loadLightProgram(deferred_light_vert, directional_skybox_light_shadow_frag, false, _directionalSkyboxLightShadow, _directionalSkyboxLightShadowLocations);
loadLightProgram(deferred_light_vert, local_lights_shading_frag, true, _localLight, _localLightLocations);
loadLightProgram(deferred_light_vert, local_lights_drawOutline_frag, true, _localLightOutline, _localLightOutlineLocations);
loadLightVolumeProgram(deferred_light_point_vert, no_light_frag, false, _pointLightBack, _pointLightLocations);
loadLightVolumeProgram(deferred_light_point_vert, no_light_frag, true, _pointLightFront, _pointLightLocations);
loadLightVolumeProgram(deferred_light_spot_vert, no_light_frag, false, _spotLightBack, _spotLightLocations);
loadLightVolumeProgram(deferred_light_spot_vert, no_light_frag, true, _spotLightFront, _spotLightLocations);
// Light Stage and clusters
_lightStage = std::make_shared<LightStage>();
@ -290,39 +265,6 @@ static void loadLightProgram(const char* vertSource, const char* fragSource, boo
}
static void loadLightVolumeProgram(const char* vertSource, const char* fragSource, bool front, gpu::PipelinePointer& pipeline, LightLocationsPtr& locations) {
gpu::ShaderPointer program = makeLightProgram(vertSource, fragSource, locations);
auto state = std::make_shared<gpu::State>();
// Stencil test all the light passes for objects pixels only, not the background
if (front) {
state->setCullMode(gpu::State::CULL_BACK);
state->setDepthTest(true, false, gpu::LESS_EQUAL);
state->setStencilTest(true, 0xFF, gpu::State::StencilTest(0, 0xFF, gpu::NOT_EQUAL, gpu::State::STENCIL_OP_KEEP, gpu::State::STENCIL_OP_DECR, gpu::State::STENCIL_OP_KEEP));
// state->setDepthClampEnable(true);
// TODO: We should use DepthClamp and avoid changing geometry for inside /outside cases
// additive blending
// state->setBlendFunction(true, gpu::State::ONE, gpu::State::BLEND_OP_ADD, gpu::State::ONE);
//state->setColorWriteMask(true, true, true, false);
state->setColorWriteMask(false, false, false, false);
} else {
state->setCullMode(gpu::State::CULL_FRONT);
state->setDepthTest(true, false, gpu::LESS_EQUAL);
state->setStencilTest(true, 0xFF, gpu::State::StencilTest(0, 0xFF, gpu::NOT_EQUAL, gpu::State::STENCIL_OP_KEEP, gpu::State::STENCIL_OP_INCR, gpu::State::STENCIL_OP_KEEP));
// additive blending
// state->setBlendFunction(true, gpu::State::ONE, gpu::State::BLEND_OP_ADD, gpu::State::ONE);
// state->setColorWriteMask(true, true, true, false);
state->setColorWriteMask(false, false, false, false);
}
pipeline = gpu::Pipeline::create(program, state);
}
void DeferredLightingEffect::setGlobalLight(const model::LightPointer& light) {
/* auto globalLight = _allocatedLights.front();
globalLight->setDirection(light->getDirection());
@ -535,7 +477,7 @@ void PrepareDeferred::run(const RenderContextPointer& renderContext, const Input
gpu::Framebuffer::BUFFER_COLOR0 | gpu::Framebuffer::BUFFER_COLOR1 | gpu::Framebuffer::BUFFER_COLOR2 | gpu::Framebuffer::BUFFER_COLOR3 |
gpu::Framebuffer::BUFFER_DEPTH |
gpu::Framebuffer::BUFFER_STENCIL,
vec4(vec3(0), 0), 1.0, 0.0, true);
vec4(vec3(0), 0), 1.0, 0, true);
// For the rest of the rendering, bind the lighting model
batch.setUniformBuffer(LIGHTING_MODEL_BUFFER_SLOT, lightingModel->getParametersBuffer());
@ -619,8 +561,8 @@ void RenderDeferredSetup::run(const render::RenderContextPointer& renderContext,
batch.setResourceTexture(SHADOW_MAP_UNIT, globalShadow->map);
}
auto& program = deferredLightingEffect->_shadowMapEnabled ? deferredLightingEffect->_directionalLightShadow : deferredLightingEffect->_directionalLight;
LightLocationsPtr locations = deferredLightingEffect->_shadowMapEnabled ? deferredLightingEffect->_directionalLightShadowLocations : deferredLightingEffect->_directionalLightLocations;
auto& program = deferredLightingEffect->_directionalSkyboxLight;
LightLocationsPtr locations = deferredLightingEffect->_directionalSkyboxLightLocations;
const auto& keyLight = deferredLightingEffect->_allocatedLights[deferredLightingEffect->_globalLights.front()];
// Setup the global directional pass pipeline

11
libraries/render-utils/src/DeferredLightingEffect.h
View file

@ -82,32 +82,21 @@ private:
gpu::PipelinePointer _directionalSkyboxLight;
gpu::PipelinePointer _directionalAmbientSphereLight;
gpu::PipelinePointer _directionalLight;
gpu::PipelinePointer _directionalSkyboxLightShadow;
gpu::PipelinePointer _directionalAmbientSphereLightShadow;
gpu::PipelinePointer _directionalLightShadow;
gpu::PipelinePointer _localLight;
gpu::PipelinePointer _localLightOutline;
gpu::PipelinePointer _pointLightBack;
gpu::PipelinePointer _pointLightFront;
gpu::PipelinePointer _spotLightBack;
gpu::PipelinePointer _spotLightFront;
LightLocationsPtr _directionalSkyboxLightLocations;
LightLocationsPtr _directionalAmbientSphereLightLocations;
LightLocationsPtr _directionalLightLocations;
LightLocationsPtr _directionalSkyboxLightShadowLocations;
LightLocationsPtr _directionalAmbientSphereLightShadowLocations;
LightLocationsPtr _directionalLightShadowLocations;
LightLocationsPtr _localLightLocations;
LightLocationsPtr _localLightOutlineLocations;
LightLocationsPtr _pointLightLocations;
LightLocationsPtr _spotLightLocations;
using Lights = std::vector<model::LightPointer>;

25
libraries/render-utils/src/RenderDeferredTask.cpp
View file

@ -85,7 +85,8 @@ void RenderDeferredTask::build(JobModel& task, const render::Varying& input, ren
const auto deferredFramebuffer = prepareDeferredOutputs.getN<PrepareDeferred::Outputs>(0);
const auto lightingFramebuffer = prepareDeferredOutputs.getN<PrepareDeferred::Outputs>(1);
// draw a stencil mask in hidden regions of the frmaebuffer.
// draw a stencil mask in hidden regions of the framebuffer.
task.addJob<PrepareStencil>("PrepareStencil", primaryFramebuffer);
// Render opaque objects in DeferredBuffer
const auto opaqueInputs = DrawStateSortDeferred::Inputs(opaques, lightingModel).hasVarying();
@ -93,7 +94,6 @@ void RenderDeferredTask::build(JobModel& task, const render::Varying& input, ren
// Once opaque is all rendered create stencil background
task.addJob<DrawStencilDeferred>("DrawOpaqueStencil", deferredFramebuffer);
task.addJob<PrepareStencil>("PrepareStencil", primaryFramebuffer);
task.addJob<EndGPURangeTimer>("OpaqueRangeTimer", opaqueRangeTimer);
@ -401,7 +401,7 @@ gpu::PipelinePointer DrawStencilDeferred::getOpaquePipeline() {
auto state = std::make_shared<gpu::State>();
state->setDepthTest(true, false, gpu::LESS_EQUAL);
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_KEEP));
state->setStencilTest(true, 0xFF, gpu::State::StencilTest(STENCIL_OPAQUE, 0xFF, gpu::ALWAYS, gpu::State::STENCIL_OP_KEEP, gpu::State::STENCIL_OP_KEEP, gpu::State::STENCIL_OP_KEEP));
state->setColorWriteMask(0);
_opaquePipeline = gpu::Pipeline::create(program, state);
@ -410,6 +410,7 @@ gpu::PipelinePointer DrawStencilDeferred::getOpaquePipeline() {
}
void DrawStencilDeferred::run(const RenderContextPointer& renderContext, const DeferredFramebufferPointer& deferredFramebuffer) {
// return;
assert(renderContext->args);
assert(renderContext->args->hasViewFrustum());
@ -474,15 +475,14 @@ void DrawBackgroundDeferred::run(const RenderContextPointer& renderContext, cons
gpu::PipelinePointer PrepareStencil::getDrawStencilPipeline() {
if (!_drawStencilPipeline) {
const gpu::int8 STENCIL_OPAQUE = 1;
auto vs = gpu::StandardShaderLib::getDrawTransformVertexPositionVS();
auto vs = gpu::StandardShaderLib::getDrawVertexPositionVS();
auto ps = gpu::StandardShaderLib::getDrawWhitePS();
auto program = gpu::Shader::createProgram(vs, ps);
gpu::Shader::makeProgram((*program));
auto state = std::make_shared<gpu::State>();
state->setStencilTest(true, 0xFF, gpu::State::StencilTest(0, 0xFF, gpu::ALWAYS, gpu::State::STENCIL_OP_REPLACE, gpu::State::STENCIL_OP_REPLACE, gpu::State::STENCIL_OP_KEEP));
state->setColorWriteMask(0);
state->setStencilTest(true, 0xFF, gpu::State::StencilTest(STENCIL_MASK, 0xFF, gpu::ALWAYS, gpu::State::STENCIL_OP_REPLACE, gpu::State::STENCIL_OP_REPLACE, gpu::State::STENCIL_OP_REPLACE));
// state->setColorWriteMask(0);
_drawStencilPipeline = gpu::Pipeline::create(program, state);
}
@ -499,9 +499,7 @@ model::MeshPointer PrepareStencil::getMesh() {
{ 1.0f, -1.0f, 0.0f }, { 0.0f, -1.0f, 0.0f } };
std::vector<uint32_t> indices { 0, 7, 1, 1, 3, 2, 3, 5, 4, 5, 7, 6 };
_mesh = model::Mesh::createIndexedTriangles_P3F((uint32_t) vertices.size(), (uint32_t) indices.size(), vertices.data(), indices.data());
}
return _mesh;
}
@ -514,19 +512,14 @@ void PrepareStencil::run(const RenderContextPointer& renderContext, const gpu::F
RenderArgs* args = renderContext->args;
doInBatch(args->_context, [&](gpu::Batch& batch) {
args->_batch = &batch;
batch.enableStereo(false);
batch.setViewportTransform(args->_viewport);
batch.setStateScissorRect(args->_viewport);
batch.resetViewTransform();
batch.setModelTransform(Transform());
glm::mat4 proj;
batch.setProjectionTransform(proj);
batch.setPipeline(getDrawStencilPipeline());
auto mesh = getMesh();
batch.setIndexBuffer(gpu::UINT32, (mesh->getIndexBuffer()._buffer), 0);
batch.setIndexBuffer(mesh->getIndexBuffer());
batch.setInputFormat((mesh->getVertexFormat()));
batch.setInputStream(0, mesh->getVertexStream());

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

@ -191,6 +191,9 @@ public:
using JobModel = render::Job::ModelI<PrepareStencil, gpu::FramebufferPointer>;
void run(const render::RenderContextPointer& renderContext, const gpu::FramebufferPointer& dstFramebuffer);
static const gpu::int8 STENCIL_MASK = 64;
private:
gpu::PipelinePointer _drawStencilPipeline;
gpu::PipelinePointer getDrawStencilPipeline();

1
libraries/render-utils/src/RenderPipelines.cpp
View file

@ -330,6 +330,7 @@ void addPlumberPipeline(ShapePlumber& plumber,
bool isWireframed = (i & 4);
auto state = std::make_shared<gpu::State>();
state->setStencilTest(true, 0xFF, gpu::State::StencilTest(0, 0xFF, gpu::GREATER, gpu::State::STENCIL_OP_KEEP, gpu::State::STENCIL_OP_KEEP, gpu::State::STENCIL_OP_INCR_SAT));
// Depth test depends on transparency
state->setDepthTest(true, !key.isTranslucent(), gpu::LESS_EQUAL);

47
libraries/render-utils/src/directional_light.slf
View file

@ -1,47 +0,0 @@
<@include gpu/Config.slh@>
<$VERSION_HEADER$>
// Generated on <$_SCRIBE_DATE$>
//
// directional_light.frag
// fragment shader
//
// Created by Andrzej Kapolka on 9/3/14.
// Copyright 2016 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
//
<@include DeferredBufferRead.slh@>
<@include DeferredGlobalLight.slh@>
<$declareEvalLightmappedColor()$>
<$declareEvalAmbientGlobalColor()$>
in vec2 _texCoord0;
out vec4 _fragColor;
void main(void) {
DeferredFrameTransform deferredTransform = getDeferredFrameTransform();
DeferredFragment frag = unpackDeferredFragment(deferredTransform, _texCoord0);
float shadowAttenuation = 1.0;
if (frag.mode == FRAG_MODE_UNLIT) {
discard;
} else if (frag.mode == FRAG_MODE_LIGHTMAPPED) {
discard;
} else {
vec3 color = evalAmbientGlobalColor(
getViewInverse(),
shadowAttenuation,
frag.obscurance,
frag.position.xyz,
frag.normal,
frag.albedo,
frag.fresnel,
frag.metallic,
frag.roughness);
_fragColor = vec4(color, 1.0);
}
}

49
libraries/render-utils/src/directional_light_shadow.slf
View file

@ -1,49 +0,0 @@
<@include gpu/Config.slh@>
<$VERSION_HEADER$>
// Generated on <$_SCRIBE_DATE$>
//
// directional_light_shadow.frag
// fragment shader
//
// Created by Zach Pomerantz on 1/18/2016.
// Copyright 2016 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
//
<@include Shadow.slh@>
<@include DeferredBufferRead.slh@>
<@include DeferredGlobalLight.slh@>
<$declareEvalLightmappedColor()$>
<$declareEvalAmbientGlobalColor()$>
in vec2 _texCoord0;
out vec4 _fragColor;
void main(void) {
DeferredFrameTransform deferredTransform = getDeferredFrameTransform();
DeferredFragment frag = unpackDeferredFragment(deferredTransform, _texCoord0);
vec4 worldPos = getViewInverse() * vec4(frag.position.xyz, 1.0);
float shadowAttenuation = evalShadowAttenuation(worldPos);
if (frag.mode == FRAG_MODE_UNLIT) {
discard;
} else if (frag.mode == FRAG_MODE_LIGHTMAPPED) {
discard;
} else {
vec3 color = evalAmbientGlobalColor(
getViewInverse(),
shadowAttenuation,
frag.obscurance,
frag.position.xyz,
frag.normal,
frag.albedo,
frag.fresnel,
frag.metallic,
frag.roughness);
_fragColor = vec4(color, 1.0);
}
}

85
libraries/render-utils/src/point_light.slf
View file

@ -1,85 +0,0 @@
<@include gpu/Config.slh@>
<$VERSION_HEADER$>
// Generated on <$_SCRIBE_DATE$>
//
// point_light.frag
// fragment shader
//
// Created by Sam Gateau on 9/18/15.
// Copyright 2014 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
//
<!
// Everything about deferred buffer
<@include DeferredBufferRead.slh@>
<$declareDeferredCurvature()$>
// Everything about light
<@include model/Light.slh@>
<$declareLightBuffer()$>
<@include LightingModel.slh@>
<@include LightPoint.slh@>
<$declareLightingPoint(supportScattering)$>
uniform vec4 texcoordFrameTransform;
in vec4 _texCoord0;!>
out vec4 _fragColor;
void main(void) {
_fragColor = vec4(1.0, 1.0, 1.0, 1.0);
<!
DeferredFrameTransform deferredTransform = getDeferredFrameTransform();
// Grab the fragment data from the uv
vec2 texCoord = _texCoord0.st / _texCoord0.q;
texCoord *= texcoordFrameTransform.zw;
texCoord += texcoordFrameTransform.xy;
DeferredFragment frag = unpackDeferredFragment(deferredTransform, texCoord);
if (frag.mode == FRAG_MODE_UNLIT) {
discard;
}
// Need the light now
Light light = getLight();
// Frag pos in world
mat4 invViewMat = getViewInverse();
vec4 fragPos = invViewMat * frag.position;
// Clip againgst the light volume and Make the Light vector going from fragment to light center in world space
vec4 fragLightVecLen2;
if (!lightVolume_clipFragToLightVolumePoint(light.volume, fragPos.xyz, fragLightVecLen2)) {
discard;
}
// Frag to eye vec
vec4 fragEyeVector = invViewMat * vec4(-frag.position.xyz, 0.0);
vec3 fragEyeDir = normalize(fragEyeVector.xyz);
vec3 diffuse;
vec3 specular;
vec4 midNormalCurvature;
vec4 lowNormalCurvature;
if (frag.mode == FRAG_MODE_SCATTERING) {
unpackMidLowNormalCurvature(texCoord, midNormalCurvature, lowNormalCurvature);
}
evalLightingPoint(diffuse, specular, light,
fragLightVecLen2.xyz, fragEyeDir, frag.normal, frag.roughness,
frag.metallic, frag.fresnel, frag.albedo, 1.0,
frag.scattering, midNormalCurvature, lowNormalCurvature);
_fragColor.rgb += diffuse;
_fragColor.rgb += specular;
!>
}

115
libraries/render-utils/src/spot_light.slf
View file

@ -1,115 +0,0 @@
<@include gpu/Config.slh@>
<$VERSION_HEADER$>
// Generated on <$_SCRIBE_DATE$>
//
// spot_light.frag
// fragment shader
//
// Created by Sam Gateau on 9/18/15.
// Copyright 2014 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
//
// Everything about deferred buffer
<!<@include DeferredBufferRead.slh@>
<$declareDeferredCurvature()$>
// Everything about light
<@include model/Light.slh@>
<$declareLightBuffer(256)$>
uniform lightIndexBuffer {
int lightIndex[256];
};
<@include LightingModel.slh@>
<@include LightPoint.slh@>
<$declareLightingPoint(supportScattering)$>
<@include LightSpot.slh@>
<$declareLightingSpot(supportScattering)$>
//uniform vec4 texcoordFrameTransform;
!>
//in vec4 _texCoord0;
//flat in int instanceID;
out vec4 _fragColor;
void main(void) {
_fragColor = vec4(1.0, 1.0, 1.0, 1.0);
// DeferredFrameTransform deferredTransform = getDeferredFrameTransform();
// Grab the fragment data from the uv
//vec2 texCoord = _texCoord0.st;/* / _texCoord0.q;
/*texCoord *= texcoordFrameTransform.zw;
texCoord += texcoordFrameTransform.xy;*/
/*
vec4 fragPosition = unpackDeferredPositionFromZeye(texCoord);
DeferredFragment frag = unpackDeferredFragmentNoPosition(texCoord);
if (frag.mode == FRAG_MODE_UNLIT) {
discard;
}
// frag.depthVal = depthValue;
frag.position = fragPosition;
vec4 midNormalCurvature;
vec4 lowNormalCurvature;
if (frag.mode == FRAG_MODE_SCATTERING) {
unpackMidLowNormalCurvature(texCoord, midNormalCurvature, lowNormalCurvature);
}
// Frag pos in world
mat4 invViewMat = getViewInverse();
vec4 fragPos = invViewMat * fragPosition;
// Frag to eye vec
vec4 fragEyeVector = invViewMat * vec4(-frag.position.xyz, 0.0);
vec3 fragEyeDir = normalize(fragEyeVector.xyz);
int numLights = lightIndex[0];
for (int i = 0; i < numLights; i++) {
// Need the light now
Light light = getLight(lightIndex[i + 1]);
bool isSpot = light_isSpot(light);
// Clip againgst the light volume and Make the Light vector going from fragment to light center in world space
vec4 fragLightVecLen2;
vec4 fragLightDirLen;
float cosSpotAngle;
if (isSpot) {
if (!clipFragToLightVolumeSpot(light, fragPos.xyz, fragLightVecLen2, fragLightDirLen, cosSpotAngle)) {
continue;
}
} else {
if (!clipFragToLightVolumePoint(light, fragPos.xyz, fragLightVecLen2)) {
continue;
}
}
vec3 diffuse;
vec3 specular;
if (isSpot) {
evalLightingSpot(diffuse, specular, light,
fragLightDirLen.xyzw, cosSpotAngle, fragEyeDir, frag.normal, frag.roughness,
frag.metallic, frag.fresnel, frag.albedo, 1.0,
frag.scattering, midNormalCurvature, lowNormalCurvature);
} else {
evalLightingPoint(diffuse, specular, light,
fragLightVecLen2.xyz, fragEyeDir, frag.normal, frag.roughness,
frag.metallic, frag.fresnel, frag.albedo, 1.0,
frag.scattering, midNormalCurvature, lowNormalCurvature);
}
_fragColor.rgb += diffuse;
_fragColor.rgb += specular;
}
*/
}