diff options
| -rw-r--r-- | autobuild.xml | 56 | ||||
| -rw-r--r-- | indra/cmake/VulkanGltf.cmake | 5 | ||||
| -rw-r--r-- | indra/llrender/llcubemaparray.cpp | 44 | ||||
| -rw-r--r-- | indra/llrender/llcubemaparray.h | 9 | ||||
| -rw-r--r-- | indra/newview/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | indra/newview/app_settings/shaders/class1/interface/radianceGenF.glsl | 167 | ||||
| -rw-r--r-- | indra/newview/app_settings/shaders/class1/interface/radianceGenV.glsl | 38 | ||||
| -rw-r--r-- | indra/newview/app_settings/shaders/class3/deferred/reflectionProbeF.glsl | 7 | ||||
| -rw-r--r-- | indra/newview/llreflectionmapmanager.cpp | 50 | ||||
| -rw-r--r-- | indra/newview/llreflectionmapmanager.h | 1 | ||||
| -rw-r--r-- | indra/newview/llviewershadermgr.cpp | 12 | ||||
| -rw-r--r-- | indra/newview/llviewershadermgr.h | 1 |
12 files changed, 384 insertions, 7 deletions
diff --git a/autobuild.xml b/autobuild.xml index aaff2d1360..712b917b16 100644 --- a/autobuild.xml +++ b/autobuild.xml @@ -3461,6 +3461,62 @@ Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors</string> <key>version</key> <string>3.0.16.565299</string> </map> + <key>vulkan_gltf</key> + <map> + <key>canonical_repo</key> + <string>https://bitbucket.org/lindenlab/3p-vulkan-gltf-pbr</string> + <key>copyright</key> + <string>Copyright (c) 2018 Sascha Willems</string> + <key>description</key> + <string>Vulkan GLTF Sample Implementation</string> + <key>license</key> + <string>Copyright (c) 2018 Sascha Willems</string> + <key>license_file</key> + <string>LICENSES/vulkan_gltf.txt</string> + <key>name</key> + <string>vulkan_gltf</string> + <key>platforms</key> + <map> + <key>darwin64</key> + <map> + <key>archive</key> + <map> + <key>hash</key> + <string>8cff2060843db3db788511ee34a8e8cc</string> + <key>url</key> + <string>https://automated-builds-secondlife-com.s3.amazonaws.com/ct2/101316/891509/vulkan_gltf-1-darwin64-572743.tar.bz2</string> + </map> + <key>name</key> + <string>darwin64</string> + </map> + <key>windows</key> + <map> + <key>archive</key> + <map> + <key>hash</key> + <string>58eea384be49ba756ce9c5e66669540b</string> + <key>url</key> + <string>https://automated-builds-secondlife-com.s3.amazonaws.com/ct2/101318/891520/vulkan_gltf-1-windows-572743.tar.bz2</string> + </map> + <key>name</key> + <string>windows</string> + </map> + <key>windows64</key> + <map> + <key>archive</key> + <map> + <key>hash</key> + <string>79b6a11622c2f83cfc2b7cd1fafb867b</string> + <key>url</key> + <string>https://automated-builds-secondlife-com.s3.amazonaws.com/ct2/101319/891521/vulkan_gltf-1-windows64-572743.tar.bz2</string> + </map> + <key>name</key> + <string>windows64</string> + </map> + </map> + <key>version</key> + <string>1</string> + </map> <key>xmlrpc-epi</key> <map> <key>copyright</key> diff --git a/indra/cmake/VulkanGltf.cmake b/indra/cmake/VulkanGltf.cmake new file mode 100644 index 0000000000..94541d5307 --- /dev/null +++ b/indra/cmake/VulkanGltf.cmake @@ -0,0 +1,5 @@ +# -*- cmake -*- +include(Prebuilt) + +use_prebuilt_binary(vulkan_gltf) + diff --git a/indra/llrender/llcubemaparray.cpp b/indra/llrender/llcubemaparray.cpp index e4081c1154..438d92cdba 100644 --- a/indra/llrender/llcubemaparray.cpp +++ b/indra/llrender/llcubemaparray.cpp @@ -53,6 +53,50 @@ GLenum LLCubeMapArray::sTargets[6] = GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB }; +LLVector3 LLCubeMapArray::sLookVecs[6] = +{ + LLVector3(1, 0, 0), + LLVector3(-1, 0, 0), + LLVector3(0, 1, 0), + LLVector3(0, -1, 0), + LLVector3(0, 0, 1), + LLVector3(0, 0, -1) +}; + +LLVector3 LLCubeMapArray::sUpVecs[6] = +{ + LLVector3(0, -1, 0), + LLVector3(0, -1, 0), + LLVector3(0, 0, 1), + LLVector3(0, 0, -1), + LLVector3(0, -1, 0), + LLVector3(0, -1, 0) +}; + +LLVector3 LLCubeMapArray::sClipToCubeLookVecs[6] = +{ + LLVector3(0, 0, -1), //GOOD + LLVector3(0, 0, 1), //GOOD + + LLVector3(1, 0, 0), // GOOD + LLVector3(1, 0, 0), // GOOD + + LLVector3(1, 0, 0), + LLVector3(-1, 0, 0), +}; + +LLVector3 LLCubeMapArray::sClipToCubeUpVecs[6] = +{ + LLVector3(-1, 0, 0), //GOOD + LLVector3(1, 0, 0), //GOOD + + LLVector3(0, 1, 0), // GOOD + LLVector3(0, -1, 0), // GOOD + + LLVector3(0, 0, -1), + LLVector3(0, 0, 1) +}; + LLCubeMapArray::LLCubeMapArray() : mTextureStage(0) { diff --git a/indra/llrender/llcubemaparray.h b/indra/llrender/llcubemaparray.h index 52e21f1dda..cbc0692afb 100644 --- a/indra/llrender/llcubemaparray.h +++ b/indra/llrender/llcubemaparray.h @@ -32,13 +32,20 @@ class LLVector3; -// Environment map hack! class LLCubeMapArray : public LLRefCount { public: LLCubeMapArray(); static GLenum sTargets[6]; + + // look and up vectors for each cube face (agent space) + static LLVector3 sLookVecs[6]; + static LLVector3 sUpVecs[6]; + + // look and up vectors for each cube face (clip space) + static LLVector3 sClipToCubeLookVecs[6]; + static LLVector3 sClipToCubeUpVecs[6]; // allocate a cube map array // res - resolution of each cube face diff --git a/indra/newview/CMakeLists.txt b/indra/newview/CMakeLists.txt index 0d2b99a8cd..5e0d3b52b4 100644 --- a/indra/newview/CMakeLists.txt +++ b/indra/newview/CMakeLists.txt @@ -56,6 +56,7 @@ include(UnixInstall) include(ViewerMiscLibs) include(ViewerManager) include(VisualLeakDetector) +include(VulkanGltf) include(ZLIB) include(URIPARSER) diff --git a/indra/newview/app_settings/shaders/class1/interface/radianceGenF.glsl b/indra/newview/app_settings/shaders/class1/interface/radianceGenF.glsl new file mode 100644 index 0000000000..27008b8a1c --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/interface/radianceGenF.glsl @@ -0,0 +1,167 @@ +/** + * @file radianceGenF.glsl + * + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2022, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + + +/*[EXTRA_CODE_HERE]*/ + +#define REFMAP_COUNT 256 + +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_color; +#else +#define frag_color gl_FragColor +#endif + +uniform samplerCubeArray reflectionProbes; + +VARYING vec3 vary_dir; + +// ============================================================================================================= +// Parts of this file are (c) 2018 Sascha Willems +// SNIPPED FROM https://github.com/SaschaWillems/Vulkan-glTF-PBR/blob/master/data/shaders/prefilterenvmap.frag +/* +MIT License + +Copyright (c) 2018 Sascha Willems + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. +*/ +// ============================================================================================================= + + +uniform float roughness; + +uniform int numSamples; + +const float PI = 3.1415926536; + +// Based omn http://byteblacksmith.com/improvements-to-the-canonical-one-liner-glsl-rand-for-opengl-es-2-0/ +float random(vec2 co) +{ + float a = 12.9898; + float b = 78.233; + float c = 43758.5453; + float dt= dot(co.xy ,vec2(a,b)); + float sn= mod(dt,3.14); + return fract(sin(sn) * c); +} + +vec2 hammersley2d(uint i, uint N) +{ + // Radical inverse based on http://holger.dammertz.org/stuff/notes_HammersleyOnHemisphere.html + uint bits = (i << 16u) | (i >> 16u); + bits = ((bits & 0x55555555u) << 1u) | ((bits & 0xAAAAAAAAu) >> 1u); + bits = ((bits & 0x33333333u) << 2u) | ((bits & 0xCCCCCCCCu) >> 2u); + bits = ((bits & 0x0F0F0F0Fu) << 4u) | ((bits & 0xF0F0F0F0u) >> 4u); + bits = ((bits & 0x00FF00FFu) << 8u) | ((bits & 0xFF00FF00u) >> 8u); + float rdi = float(bits) * 2.3283064365386963e-10; + return vec2(float(i) /float(N), rdi); +} + +// Based on http://blog.selfshadow.com/publications/s2013-shading-course/karis/s2013_pbs_epic_slides.pdf +vec3 importanceSample_GGX(vec2 Xi, float roughness, vec3 normal) +{ + // Maps a 2D point to a hemisphere with spread based on roughness + float alpha = roughness * roughness; + float phi = 2.0 * PI * Xi.x + random(normal.xz) * 0.1; + float cosTheta = sqrt((1.0 - Xi.y) / (1.0 + (alpha*alpha - 1.0) * Xi.y)); + float sinTheta = sqrt(1.0 - cosTheta * cosTheta); + vec3 H = vec3(sinTheta * cos(phi), sinTheta * sin(phi), cosTheta); + + // Tangent space + vec3 up = abs(normal.z) < 0.999 ? vec3(0.0, 0.0, 1.0) : vec3(1.0, 0.0, 0.0); + vec3 tangentX = normalize(cross(up, normal)); + vec3 tangentY = normalize(cross(normal, tangentX)); + + // Convert to world Space + return normalize(tangentX * H.x + tangentY * H.y + normal * H.z); +} + +// Normal Distribution function +float D_GGX(float dotNH, float roughness) +{ + float alpha = roughness * roughness; + float alpha2 = alpha * alpha; + float denom = dotNH * dotNH * (alpha2 - 1.0) + 1.0; + return (alpha2)/(PI * denom*denom); +} + +vec3 prefilterEnvMap(vec3 R, float roughness) +{ + vec3 N = R; + vec3 V = R; + vec3 color = vec3(0.0); + float totalWeight = 0.0; + float envMapDim = 256.0; + for(uint i = 0u; i < numSamples; i++) { + vec2 Xi = hammersley2d(i, numSamples); + vec3 H = importanceSample_GGX(Xi, roughness, N); + vec3 L = 2.0 * dot(V, H) * H - V; + float dotNL = clamp(dot(N, L), 0.0, 1.0); + if(dotNL > 0.0) { + // Filtering based on https://placeholderart.wordpress.com/2015/07/28/implementation-notes-runtime-environment-map-filtering-for-image-based-lighting/ + + float dotNH = clamp(dot(N, H), 0.0, 1.0); + float dotVH = clamp(dot(V, H), 0.0, 1.0); + + // Probability Distribution Function + float pdf = D_GGX(dotNH, roughness) * dotNH / (4.0 * dotVH) + 0.0001; + // Slid angle of current smple + float omegaS = 1.0 / (float(numSamples) * pdf); + // Solid angle of 1 pixel across all cube faces + float omegaP = 4.0 * PI / (6.0 * envMapDim * envMapDim); + // Biased (+1.0) mip level for better result + float mipLevel = roughness == 0.0 ? 0.0 : max(0.5 * log2(omegaS / omegaP) + 1.0, 0.0f); + color += textureLod(reflectionProbes, vec4(L,REFMAP_COUNT), mipLevel).rgb * dotNL; + totalWeight += dotNL; + + } + } + return (color / totalWeight); +} + +void main() +{ + vec3 N = normalize(vary_dir); + frag_color = vec4(prefilterEnvMap(N, roughness), 1.0); +} +// ============================================================================================================= + diff --git a/indra/newview/app_settings/shaders/class1/interface/radianceGenV.glsl b/indra/newview/app_settings/shaders/class1/interface/radianceGenV.glsl new file mode 100644 index 0000000000..5f5d9396ff --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/interface/radianceGenV.glsl @@ -0,0 +1,38 @@ +/** + * @file radianceGenV.glsl + * + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2011, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +uniform mat4 modelview_matrix; + +ATTRIBUTE vec3 position; + +VARYING vec3 vary_dir; + +void main() +{ + gl_Position = vec4(position, 1.0); + + vary_dir = vec3(modelview_matrix * vec4(position, 1.0)).xyz; +} + diff --git a/indra/newview/app_settings/shaders/class3/deferred/reflectionProbeF.glsl b/indra/newview/app_settings/shaders/class3/deferred/reflectionProbeF.glsl index 4a40f691be..40378b49ea 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/reflectionProbeF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/reflectionProbeF.glsl @@ -334,8 +334,9 @@ vec3 tapRefMap(vec3 pos, vec3 dir, float lod, vec3 c, float r2, int i) v -= c; v = env_mat * v; { - float min_lod = textureQueryLod(reflectionProbes,v).y; // lower is higher res - return textureLod(reflectionProbes, vec4(v.xyz, refIndex[i].x), max(min_lod, lod)).rgb; + //float min_lod = textureQueryLod(reflectionProbes,v).y; // lower is higher res + //return textureLod(reflectionProbes, vec4(v.xyz, refIndex[i].x), max(min_lod, lod)).rgb; + return textureLod(reflectionProbes, vec4(v.xyz, refIndex[i].x), lod).rgb; //return texture(reflectionProbes, vec4(v.xyz, refIndex[i].x)).rgb; } } @@ -450,7 +451,7 @@ void sampleReflectionProbes(inout vec3 ambenv, inout vec3 glossenv, inout vec3 l vec3 refnormpersp = reflect(pos.xyz, norm.xyz); - ambenv = sampleProbeAmbient(pos, norm, reflection_lods-1); + ambenv = sampleProbeAmbient(pos, norm, reflection_lods-2); if (glossiness > 0.0) { diff --git a/indra/newview/llreflectionmapmanager.cpp b/indra/newview/llreflectionmapmanager.cpp index 752427f0fa..025b8457c1 100644 --- a/indra/newview/llreflectionmapmanager.cpp +++ b/indra/newview/llreflectionmapmanager.cpp @@ -80,7 +80,8 @@ void LLReflectionMapManager::update() if (mTexture.isNull()) { mTexture = new LLCubeMapArray(); - mTexture->allocate(LL_REFLECTION_PROBE_RESOLUTION, 3, LL_REFLECTION_PROBE_COUNT); + // store LL_REFLECTION_PROBE_COUNT+1 cube maps, final cube map is used for render target and radiance map generation source) + mTexture->allocate(LL_REFLECTION_PROBE_RESOLUTION, 3, LL_REFLECTION_PROBE_COUNT+2); } if (!mRenderTarget.isComplete()) @@ -395,7 +396,7 @@ void LLReflectionMapManager::updateProbeFace(LLReflectionMap* probe, U32 face) gPipeline.mRT = &gPipeline.mMainRT; mRenderTarget.flush(); - // generate mipmaps + // downsample to placeholder map { LLGLDepthTest depth(GL_FALSE, GL_FALSE); LLGLDisable cull(GL_CULL_FACE); @@ -451,7 +452,8 @@ void LLReflectionMapManager::updateProbeFace(LLReflectionMap* probe, U32 face) if (mip >= 0) { mTexture->bind(0); - glCopyTexSubImage3D(GL_TEXTURE_CUBE_MAP_ARRAY, mip, 0, 0, probe->mCubeIndex * 6 + face, 0, 0, res, res); + //glCopyTexSubImage3D(GL_TEXTURE_CUBE_MAP_ARRAY, mip, 0, 0, probe->mCubeIndex * 6 + face, 0, 0, res, res); + glCopyTexSubImage3D(GL_TEXTURE_CUBE_MAP_ARRAY, mip, 0, 0, LL_REFLECTION_PROBE_COUNT * 6 + face, 0, 0, res, res); mTexture->unbind(); } mMipChain[i].flush(); @@ -463,6 +465,48 @@ void LLReflectionMapManager::updateProbeFace(LLReflectionMap* probe, U32 face) gReflectionMipProgram.unbind(); } + + if (face == 5) + { + //generate radiance map + gRadianceGenProgram.bind(); + S32 channel = gRadianceGenProgram.enableTexture(LLShaderMgr::REFLECTION_PROBES, LLTexUnit::TT_CUBE_MAP_ARRAY); + mTexture->bind(channel); + + for (int cf = 0; cf < 6; ++cf) + { // for each cube face + LLCoordFrame frame; + frame.lookAt(LLVector3(0, 0, 0), LLCubeMapArray::sClipToCubeLookVecs[cf], LLCubeMapArray::sClipToCubeUpVecs[cf]); + + F32 mat[16]; + frame.getOpenGLRotation(mat); + gGL.loadMatrix(mat); + + for (int i = 0; i < mMipChain.size(); ++i) + { + mMipChain[i].bindTarget(); + static LLStaticHashedString sRoughness("roughness"); + static LLStaticHashedString sNumSamples("numSamples"); + + gRadianceGenProgram.uniform1i(sNumSamples, 32); + gRadianceGenProgram.uniform1f(sRoughness, (F32)i / (F32)(mMipChain.size() - 1)); + + gGL.begin(gGL.QUADS); + gGL.vertex3f(-1, -1, -1); + gGL.vertex3f(1, -1, -1); + gGL.vertex3f(1, 1, -1); + gGL.vertex3f(-1, 1, -1); + gGL.end(); + gGL.flush(); + + + + S32 res = mMipChain[i].getWidth(); + glCopyTexSubImage3D(GL_TEXTURE_CUBE_MAP_ARRAY, i, 0, 0, probe->mCubeIndex * 6 + cf, 0, 0, res, res); + mMipChain[i].flush(); + } + } + } } void LLReflectionMapManager::rebuild() diff --git a/indra/newview/llreflectionmapmanager.h b/indra/newview/llreflectionmapmanager.h index 3b5cdc5520..551a461e63 100644 --- a/indra/newview/llreflectionmapmanager.h +++ b/indra/newview/llreflectionmapmanager.h @@ -29,6 +29,7 @@ #include "llreflectionmap.h" #include "llrendertarget.h" #include "llcubemaparray.h" +#include "llcubemap.h" class LLSpatialGroup; class LLViewerObject; diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp index d4ee754d5c..d5ca915da5 100644 --- a/indra/newview/llviewershadermgr.cpp +++ b/indra/newview/llviewershadermgr.cpp @@ -85,6 +85,7 @@ LLGLSLShader gCustomAlphaProgram; LLGLSLShader gGlowCombineProgram; LLGLSLShader gSplatTextureRectProgram; LLGLSLShader gReflectionMipProgram; +LLGLSLShader gRadianceGenProgram; LLGLSLShader gGlowCombineFXAAProgram; LLGLSLShader gTwoTextureAddProgram; LLGLSLShader gTwoTextureCompareProgram; @@ -762,6 +763,7 @@ void LLViewerShaderMgr::unloadShaders() gGlowCombineProgram.unload(); gSplatTextureRectProgram.unload(); gReflectionMipProgram.unload(); + gRadianceGenProgram.unload(); gGlowCombineFXAAProgram.unload(); gTwoTextureAddProgram.unload(); gTwoTextureCompareProgram.unload(); @@ -3821,6 +3823,16 @@ BOOL LLViewerShaderMgr::loadShadersInterface() } } + if (success) + { + gRadianceGenProgram.mName = "Radiance Gen Shader"; + gRadianceGenProgram.mShaderFiles.clear(); + gRadianceGenProgram.mShaderFiles.push_back(make_pair("interface/radianceGenV.glsl", GL_VERTEX_SHADER_ARB)); + gRadianceGenProgram.mShaderFiles.push_back(make_pair("interface/radianceGenF.glsl", GL_FRAGMENT_SHADER_ARB)); + gRadianceGenProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE]; + success = gRadianceGenProgram.createShader(NULL, NULL); + } + if( !success ) { mShaderLevel[SHADER_INTERFACE] = 0; diff --git a/indra/newview/llviewershadermgr.h b/indra/newview/llviewershadermgr.h index f0187db302..fa5b2121b9 100644 --- a/indra/newview/llviewershadermgr.h +++ b/indra/newview/llviewershadermgr.h @@ -162,6 +162,7 @@ extern LLGLSLShader gCustomAlphaProgram; extern LLGLSLShader gGlowCombineProgram; extern LLGLSLShader gSplatTextureRectProgram; extern LLGLSLShader gReflectionMipProgram; +extern LLGLSLShader gRadianceGenProgram; extern LLGLSLShader gGlowCombineFXAAProgram; extern LLGLSLShader gDebugProgram; extern LLGLSLShader gClipProgram; |