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495 lines
20 KiB
C++
495 lines
20 KiB
C++
//
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// DebugDeferredBuffer.cpp
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// libraries/render-utils/src
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//
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// Created by Clement on 12/3/15.
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// Copyright 2015 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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#include "DebugDeferredBuffer.h"
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#include <QtCore/QFile>
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#include <QtCore/QDateTime>
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#include <gpu/Batch.h>
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#include <gpu/Context.h>
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#include <render/Scene.h>
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#include <ViewFrustum.h>
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#include <shaders/Shaders.h>
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#include "render-utils/ShaderConstants.h"
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#include "GeometryCache.h"
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#include "TextureCache.h"
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#include "DeferredLightingEffect.h"
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using namespace render;
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void DebugDeferredBufferConfig::setMode(int newMode) {
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if (newMode == mode) {
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return;
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} else if (newMode > DebugDeferredBuffer::CustomMode || newMode < 0) {
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mode = 0;
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} else {
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mode = newMode;
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}
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emit dirty();
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}
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static const std::string DEFAULT_ALBEDO_SHADER{
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"vec4 getFragmentColor() {"
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" DeferredFragment frag = unpackDeferredFragmentNoPosition(uv);"
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" return vec4(pow(frag.albedo, vec3(1.0 / 2.2)), 1.0);"
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" }"
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};
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static const std::string DEFAULT_METALLIC_SHADER{
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"vec4 getFragmentColor() {"
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" DeferredFragment frag = unpackDeferredFragmentNoPosition(uv);"
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" return vec4(vec3(pow(frag.metallic, 1.0 / 2.2)), 1.0);"
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" }"
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};
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static const std::string DEFAULT_ROUGHNESS_SHADER{
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"vec4 getFragmentColor() {"
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" DeferredFragment frag = unpackDeferredFragmentNoPosition(uv);"
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" return vec4(vec3(pow(frag.roughness, 1.0 / 2.2)), 1.0);"
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// " return vec4(vec3(pow(colorRamp(frag.roughness), vec3(1.0 / 2.2))), 1.0);"
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" }"
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};
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static const std::string DEFAULT_NORMAL_SHADER{
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"vec4 getFragmentColor() {"
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" DeferredFragment frag = unpackDeferredFragmentNoPosition(uv);"
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" return vec4(vec3(0.5) + (frag.normal * 0.5), 1.0);"
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" }"
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};
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static const std::string DEFAULT_OCCLUSION_SHADER{
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"vec4 getFragmentColor() {"
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// " DeferredFragment frag = unpackDeferredFragmentNoPosition(uv);"
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// " return vec4(vec3(pow(frag.obscurance, 1.0 / 2.2)), 1.0);"
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" return vec4(vec3(pow(texture(specularMap, uv).a, 1.0 / 2.2)), 1.0);"
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" }"
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};
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static const std::string DEFAULT_EMISSIVE_SHADER{
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"vec4 getFragmentColor() {"
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" DeferredFragment frag = unpackDeferredFragmentNoPosition(uv);"
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" return (frag.mode == FRAG_MODE_SHADED ? vec4(pow(texture(specularMap, uv).rgb, vec3(1.0 / 2.2)), 1.0) : "
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"vec4(vec3(0.0), 1.0));"
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" }"
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};
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static const std::string DEFAULT_UNLIT_SHADER{
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"vec4 getFragmentColor() {"
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" DeferredFragment frag = unpackDeferredFragmentNoPosition(uv);"
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" return (frag.mode == FRAG_MODE_UNLIT ? vec4(pow(frag.albedo, vec3(1.0 / 2.2)), 1.0) : vec4(vec3(0.0), 1.0));"
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" }"
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};
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static const std::string DEFAULT_LIGHTMAP_SHADER{
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"vec4 getFragmentColor() {"
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" DeferredFragment frag = unpackDeferredFragmentNoPosition(uv);"
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" return (frag.mode == FRAG_MODE_LIGHTMAPPED ? vec4(pow(texture(specularMap, uv).rgb, vec3(1.0 / 2.2)), 1.0) : "
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"vec4(vec3(0.0), 1.0));"
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" }"
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};
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static const std::string DEFAULT_SCATTERING_SHADER{
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"vec4 getFragmentColor() {"
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" DeferredFragment frag = unpackDeferredFragmentNoPosition(uv);"
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" return (frag.mode == FRAG_MODE_SCATTERING ? vec4(vec3(pow(frag.scattering, 1.0 / 2.2)), 1.0) : vec4(vec3(0.0), 1.0));"
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" }"
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};
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static const std::string DEFAULT_DEPTH_SHADER{
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"vec4 getFragmentColor() {"
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" return vec4(vec3(texture(depthMap, uv).x), 1.0);"
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" }"
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};
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static const std::string DEFAULT_LIGHTING_SHADER{
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"vec4 getFragmentColor() {"
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" return vec4(pow(texture(lightingMap, uv).xyz, vec3(1.0 / 2.2)), 1.0);"
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" }"
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};
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static const std::string DEFAULT_SHADOW_DEPTH_SHADER{
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"vec4 getFragmentColor() {"
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" for (int i = 255; i >= 0; --i) {"
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" float depth = i / 255.0;"
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" if (texture(shadowMaps, vec4(uv, parameters._shadowCascadeIndex, depth)) > 0.5) {"
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" return vec4(vec3(depth), 1.0);"
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" }"
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" }"
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" return vec4(vec3(0.0), 1.0);"
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" }"
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};
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static const std::string DEFAULT_SHADOW_CASCADE_SHADER{
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"vec3 cascadeColors[4] = vec3[4]( vec3(0,1,0), vec3(0,0,1), vec3(1,0,0), vec3(1) );"
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"vec4 getFragmentColor() {"
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" DeferredFrameTransform deferredTransform = getDeferredFrameTransform();"
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" DeferredFragment frag = unpackDeferredFragment(deferredTransform, uv);"
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" vec4 viewPosition = vec4(frag.position.xyz, 1.0);"
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" float viewDepth = -viewPosition.z;"
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" vec4 worldPosition = getViewInverse() * viewPosition;"
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" vec4 cascadeShadowCoords[2];"
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" ivec2 cascadeIndices;"
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" float cascadeMix = determineShadowCascadesOnPixel(worldPosition, viewDepth, cascadeShadowCoords, cascadeIndices);"
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" vec3 firstCascadeColor = cascadeColors[cascadeIndices.x];"
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" vec3 secondCascadeColor = cascadeColors[cascadeIndices.x];"
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" if (cascadeMix > 0.0 && cascadeIndices.y < getShadowCascadeCount()) {"
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" secondCascadeColor = cascadeColors[cascadeIndices.y];"
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" }"
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" vec3 color = mix(firstCascadeColor, secondCascadeColor, cascadeMix);"
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" return vec4(mix(vec3(0.0), color, evalShadowFalloff(viewDepth)), 1.0);"
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"}"
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};
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static const std::string DEFAULT_LINEAR_DEPTH_SHADER{
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"vec4 getFragmentColor() {"
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" return vec4(vec3(1.0 - texture(debugTexture0, uv).x * 0.01), 1.0);"
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"}"
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};
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static const std::string DEFAULT_HALF_LINEAR_DEPTH_SHADER{
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"vec4 getFragmentColor() {"
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" return vec4(vec3(1.0 - texture(debugTexture0, uv).x * 0.01), 1.0);"
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" }"
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};
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static const std::string DEFAULT_HALF_NORMAL_SHADER{
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"vec4 getFragmentColor() {"
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" return vec4(vec3(texture(debugTexture0, uv).xyz), 1.0);"
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" }"
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};
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static const std::string DEFAULT_CURVATURE_SHADER{
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"vec4 getFragmentColor() {"
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" return vec4(pow(vec3(texture(curvatureMap, uv).a), vec3(1.0 / 2.2)), 1.0);"
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// " return vec4(pow(vec3(texture(curvatureMap, uv).xyz), vec3(1.0 / 2.2)), 1.0);"
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//" return vec4(vec3(1.0 - textureLod(pyramidMap, uv, 3).x * 0.01), 1.0);"
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" }"
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};
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static const std::string DEFAULT_NORMAL_CURVATURE_SHADER{
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"vec4 getFragmentColor() {"
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//" return vec4(pow(vec3(texture(curvatureMap, uv).a), vec3(1.0 / 2.2)), 1.0);"
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" return vec4(vec3(texture(curvatureMap, uv).xyz), 1.0);"
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//" return vec4(vec3(1.0 - textureLod(pyramidMap, uv, 3).x * 0.01), 1.0);"
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" }"
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};
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static const std::string DEFAULT_DIFFUSED_CURVATURE_SHADER{
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"vec4 getFragmentColor() {"
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" return vec4(pow(vec3(texture(diffusedCurvatureMap, uv).a), vec3(1.0 / 2.2)), 1.0);"
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// " return vec4(pow(vec3(texture(curvatureMap, uv).xyz), vec3(1.0 / 2.2)), 1.0);"
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//" return vec4(vec3(1.0 - textureLod(pyramidMap, uv, 3).x * 0.01), 1.0);"
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" }"
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};
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static const std::string DEFAULT_DIFFUSED_NORMAL_CURVATURE_SHADER{
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"vec4 getFragmentColor() {"
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//" return vec4(pow(vec3(texture(curvatureMap, uv).a), vec3(1.0 / 2.2)), 1.0);"
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" return vec4(vec3(texture(diffusedCurvatureMap, uv).xyz), 1.0);"
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//" return vec4(vec3(1.0 - textureLod(pyramidMap, uv, 3).x * 0.01), 1.0);"
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" }"
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};
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static const std::string DEFAULT_CURVATURE_OCCLUSION_SHADER{
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"vec4 getFragmentColor() {"
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" vec4 midNormalCurvature;"
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" vec4 lowNormalCurvature;"
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" unpackMidLowNormalCurvature(uv, midNormalCurvature, lowNormalCurvature);"
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" float ambientOcclusion = curvatureAO(lowNormalCurvature.a * 20.0f) * 0.5f;"
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" float ambientOcclusionHF = curvatureAO(midNormalCurvature.a * 8.0f) * 0.5f;"
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" ambientOcclusion = min(ambientOcclusion, ambientOcclusionHF);"
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" return vec4(vec3(ambientOcclusion), 1.0);"
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" }"
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};
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static const std::string DEFAULT_DEBUG_SCATTERING_SHADER{
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"vec4 getFragmentColor() {"
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" return vec4(pow(vec3(texture(debugTexture0, uv).xyz), vec3(1.0 / 2.2)), 1.0);"
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// " return vec4(vec3(texture(debugTexture0, uv).xyz), 1.0);"
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" }"
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};
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static const std::string DEFAULT_AMBIENT_OCCLUSION_SHADER{
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"vec4 getFragmentColor() {"
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" return vec4(vec3(texture(obscuranceMap, uv).x), 1.0);"
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// When drawing color " return vec4(vec3(texture(debugTexture0, uv).xyz), 1.0);"
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// when drawing normal" return vec4(normalize(texture(debugTexture0, uv).xyz * 2.0 - vec3(1.0)), 1.0);"
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" }"
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};
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static const std::string DEFAULT_AMBIENT_OCCLUSION_BLURRED_SHADER{
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"vec4 getFragmentColor() {"
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" return vec4(vec3(texture(debugTexture0, uv).xyz), 1.0);"
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" }"
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};
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static const std::string DEFAULT_VELOCITY_SHADER{
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"vec4 getFragmentColor() {"
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" return vec4(vec2(texture(debugTexture0, uv).xy), 0.0, 1.0);"
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" }"
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};
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static const std::string DEFAULT_CUSTOM_SHADER{
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"vec4 getFragmentColor() {"
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" return vec4(1.0, 0.0, 0.0, 1.0);"
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" }"
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};
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static std::string getFileContent(std::string fileName, std::string defaultContent = std::string()) {
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QFile customFile(QString::fromStdString(fileName));
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if (customFile.open(QIODevice::ReadOnly)) {
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return customFile.readAll().toStdString();
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}
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qWarning() << "DebugDeferredBuffer::getFileContent(): Could not open" << QString::fromStdString(fileName);
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return defaultContent;
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}
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#include <QStandardPaths> // TODO REMOVE: Temporary until UI
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DebugDeferredBuffer::DebugDeferredBuffer() {
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// TODO REMOVE: Temporary until UI
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static const auto DESKTOP_PATH = QStandardPaths::writableLocation(QStandardPaths::DesktopLocation);
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static const auto CUSTOM_FILE = DESKTOP_PATH.toStdString() + "/custom.slh";
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CustomPipeline pipeline;
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pipeline.info = QFileInfo(QString::fromStdString(CUSTOM_FILE));
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_customPipelines.emplace(CUSTOM_FILE, pipeline);
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_geometryId = DependencyManager::get<GeometryCache>()->allocateID();
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}
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DebugDeferredBuffer::~DebugDeferredBuffer() {
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auto geometryCache = DependencyManager::get<GeometryCache>();
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if (geometryCache) {
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geometryCache->releaseID(_geometryId);
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}
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}
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std::string DebugDeferredBuffer::getShaderSourceCode(Mode mode, std::string customFile) {
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switch (mode) {
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case AlbedoMode:
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return DEFAULT_ALBEDO_SHADER;
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case MetallicMode:
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return DEFAULT_METALLIC_SHADER;
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case RoughnessMode:
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return DEFAULT_ROUGHNESS_SHADER;
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case NormalMode:
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return DEFAULT_NORMAL_SHADER;
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case DepthMode:
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return DEFAULT_DEPTH_SHADER;
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case EmissiveMode:
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return DEFAULT_EMISSIVE_SHADER;
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case UnlitMode:
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return DEFAULT_UNLIT_SHADER;
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case OcclusionMode:
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return DEFAULT_OCCLUSION_SHADER;
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case LightmapMode:
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return DEFAULT_LIGHTMAP_SHADER;
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case ScatteringMode:
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return DEFAULT_SCATTERING_SHADER;
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case LightingMode:
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return DEFAULT_LIGHTING_SHADER;
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case ShadowCascade0Mode:
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case ShadowCascade1Mode:
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case ShadowCascade2Mode:
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case ShadowCascade3Mode:
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return DEFAULT_SHADOW_DEPTH_SHADER;
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case ShadowCascadeIndicesMode:
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return DEFAULT_SHADOW_CASCADE_SHADER;
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case LinearDepthMode:
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return DEFAULT_LINEAR_DEPTH_SHADER;
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case HalfLinearDepthMode:
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return DEFAULT_HALF_LINEAR_DEPTH_SHADER;
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case HalfNormalMode:
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return DEFAULT_HALF_NORMAL_SHADER;
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case CurvatureMode:
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return DEFAULT_CURVATURE_SHADER;
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case NormalCurvatureMode:
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return DEFAULT_NORMAL_CURVATURE_SHADER;
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case DiffusedCurvatureMode:
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return DEFAULT_DIFFUSED_CURVATURE_SHADER;
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case DiffusedNormalCurvatureMode:
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return DEFAULT_DIFFUSED_NORMAL_CURVATURE_SHADER;
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case CurvatureOcclusionMode:
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return DEFAULT_CURVATURE_OCCLUSION_SHADER;
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case ScatteringDebugMode:
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return DEFAULT_DEBUG_SCATTERING_SHADER;
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case AmbientOcclusionMode:
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return DEFAULT_AMBIENT_OCCLUSION_SHADER;
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case AmbientOcclusionBlurredMode:
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return DEFAULT_AMBIENT_OCCLUSION_BLURRED_SHADER;
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case VelocityMode:
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return DEFAULT_VELOCITY_SHADER;
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case CustomMode:
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return getFileContent(customFile, DEFAULT_CUSTOM_SHADER);
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default:
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return DEFAULT_ALBEDO_SHADER;
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}
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Q_UNREACHABLE();
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return std::string();
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}
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bool DebugDeferredBuffer::pipelineNeedsUpdate(Mode mode, std::string customFile) const {
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if (mode != CustomMode) {
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return !_pipelines[mode];
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}
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auto it = _customPipelines.find(customFile);
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if (it != _customPipelines.end() && it->second.pipeline) {
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auto& info = it->second.info;
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auto lastModified = info.lastModified();
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info.refresh();
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return lastModified != info.lastModified();
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}
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return true;
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}
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const gpu::PipelinePointer& DebugDeferredBuffer::getPipeline(Mode mode, std::string customFile) {
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if (pipelineNeedsUpdate(mode, customFile)) {
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static const auto FRAGMENT_SHADER_SOURCE =
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gpu::Shader::createPixel(shader::render_utils::fragment::debug_deferred_buffer)->getSource();
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static const std::string SOURCE_PLACEHOLDER{ "//SOURCE_PLACEHOLDER" };
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static const auto SOURCE_PLACEHOLDER_INDEX = FRAGMENT_SHADER_SOURCE.getCode().find(SOURCE_PLACEHOLDER);
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Q_ASSERT_X(SOURCE_PLACEHOLDER_INDEX != std::string::npos, Q_FUNC_INFO, "Could not find source placeholder");
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auto bakedFragmentShader = FRAGMENT_SHADER_SOURCE.getCode();
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bakedFragmentShader.replace(SOURCE_PLACEHOLDER_INDEX, SOURCE_PLACEHOLDER.size(), getShaderSourceCode(mode, customFile));
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const auto vs = gpu::Shader::createVertex(shader::render_utils::vertex::debug_deferred_buffer);
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const auto ps = gpu::Shader::createPixel({ bakedFragmentShader, FRAGMENT_SHADER_SOURCE.getReflection() });
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const auto program = gpu::Shader::createProgram(vs, ps);
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auto pipeline = gpu::Pipeline::create(program, std::make_shared<gpu::State>());
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// Good to go add the brand new pipeline
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if (mode != CustomMode) {
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_pipelines[mode] = pipeline;
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} else {
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_customPipelines[customFile].pipeline = pipeline;
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}
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}
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if (mode != CustomMode) {
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return _pipelines[mode];
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} else {
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return _customPipelines[customFile].pipeline;
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}
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}
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void DebugDeferredBuffer::configure(const Config& config) {
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auto& parameters = _parameters.edit();
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_mode = (Mode)config.mode;
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_size = config.size;
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parameters._shadowCascadeIndex = glm::clamp(_mode - Mode::ShadowCascade0Mode, 0, (int)SHADOW_CASCADE_MAX_COUNT - 1);
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}
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void DebugDeferredBuffer::run(const RenderContextPointer& renderContext, const Inputs& inputs) {
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if (_mode == Off) {
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return;
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}
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assert(renderContext->args);
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assert(renderContext->args->hasViewFrustum());
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RenderArgs* args = renderContext->args;
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auto& deferredFramebuffer = inputs.get0();
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auto& linearDepthTarget = inputs.get1();
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auto& surfaceGeometryFramebuffer = inputs.get2();
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auto& ambientOcclusionFramebuffer = inputs.get3();
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auto& velocityFramebuffer = inputs.get4();
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auto& frameTransform = inputs.get5();
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gpu::doInBatch("DebugDeferredBuffer::run", args->_context, [&](gpu::Batch& batch) {
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batch.enableStereo(false);
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batch.setViewportTransform(args->_viewport);
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const auto geometryBuffer = DependencyManager::get<GeometryCache>();
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const auto textureCache = DependencyManager::get<TextureCache>();
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glm::mat4 projMat;
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Transform viewMat;
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args->getViewFrustum().evalProjectionMatrix(projMat);
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args->getViewFrustum().evalViewTransform(viewMat);
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batch.setProjectionTransform(projMat);
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batch.setViewTransform(viewMat, true);
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batch.setModelTransform(Transform());
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using Textures = render_utils::slot::texture::Texture;
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using UBOs = render_utils::slot::buffer::Buffer;
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// TODO REMOVE: Temporary until UI
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auto first = _customPipelines.begin()->first;
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auto pipeline = getPipeline(_mode, first);
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batch.setPipeline(pipeline);
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if (deferredFramebuffer) {
|
|
batch.setResourceTexture(Textures::DeferredColor, deferredFramebuffer->getDeferredColorTexture());
|
|
batch.setResourceTexture(Textures::DeferredNormal, deferredFramebuffer->getDeferredNormalTexture());
|
|
batch.setResourceTexture(Textures::DeferredSpecular, deferredFramebuffer->getDeferredSpecularTexture());
|
|
batch.setResourceTexture(Textures::DeferredDepth, deferredFramebuffer->getPrimaryDepthTexture());
|
|
batch.setResourceTexture(Textures::DeferredLighting, deferredFramebuffer->getLightingTexture());
|
|
}
|
|
if (velocityFramebuffer && _mode == VelocityMode) {
|
|
batch.setResourceTexture(Textures::DebugTexture0, velocityFramebuffer->getVelocityTexture());
|
|
}
|
|
|
|
auto lightStage = renderContext->_scene->getStage<LightStage>();
|
|
assert(lightStage);
|
|
assert(lightStage->getNumLights() > 0);
|
|
auto lightAndShadow = lightStage->getCurrentKeyLightAndShadow();
|
|
const auto& globalShadow = lightAndShadow.second;
|
|
if (globalShadow) {
|
|
batch.setResourceTexture(Textures::Shadow, globalShadow->map);
|
|
batch.setUniformBuffer(UBOs::ShadowParams, globalShadow->getBuffer());
|
|
batch.setUniformBuffer(UBOs::DeferredFrameTransform, frameTransform->getFrameTransformBuffer());
|
|
batch.setUniformBuffer(UBOs::DebugDeferredParams, _parameters);
|
|
}
|
|
|
|
if (linearDepthTarget) {
|
|
if (_mode == DepthMode) {
|
|
batch.setResourceTexture(Textures::DebugTexture0, linearDepthTarget->getLinearDepthTexture());
|
|
} else if (_mode == HalfLinearDepthMode) {
|
|
batch.setResourceTexture(Textures::DebugTexture0, linearDepthTarget->getHalfLinearDepthTexture());
|
|
} else if (_mode == HalfNormalMode) {
|
|
batch.setResourceTexture(Textures::DebugTexture0, linearDepthTarget->getHalfNormalTexture());
|
|
}
|
|
}
|
|
if (surfaceGeometryFramebuffer) {
|
|
batch.setResourceTexture(Textures::DeferredCurvature, surfaceGeometryFramebuffer->getCurvatureTexture());
|
|
batch.setResourceTexture(Textures::DeferredDiffusedCurvature,
|
|
surfaceGeometryFramebuffer->getLowCurvatureTexture());
|
|
}
|
|
if (ambientOcclusionFramebuffer) {
|
|
if (_mode == AmbientOcclusionMode) {
|
|
batch.setResourceTexture(Textures::DebugTexture0, ambientOcclusionFramebuffer->getOcclusionTexture());
|
|
} else if (_mode == AmbientOcclusionBlurredMode) {
|
|
batch.setResourceTexture(Textures::DebugTexture0, ambientOcclusionFramebuffer->getOcclusionBlurredTexture());
|
|
}
|
|
}
|
|
const glm::vec4 color(1.0f, 1.0f, 1.0f, 1.0f);
|
|
const glm::vec2 bottomLeft(_size.x, _size.y);
|
|
const glm::vec2 topRight(_size.z, _size.w);
|
|
geometryBuffer->renderQuad(batch, bottomLeft, topRight, color, _geometryId);
|
|
|
|
batch.setResourceTexture(Textures::DeferredColor, nullptr);
|
|
batch.setResourceTexture(Textures::DeferredNormal, nullptr);
|
|
batch.setResourceTexture(Textures::DeferredSpecular, nullptr);
|
|
batch.setResourceTexture(Textures::DeferredDepth, nullptr);
|
|
batch.setResourceTexture(Textures::DeferredCurvature, nullptr);
|
|
batch.setResourceTexture(Textures::DeferredDiffusedCurvature, nullptr);
|
|
batch.setResourceTexture(Textures::DeferredLighting, nullptr);
|
|
|
|
for (auto i = 0; i < SHADOW_CASCADE_MAX_COUNT; i++) {
|
|
batch.setResourceTexture(Textures::Shadow + i, nullptr);
|
|
}
|
|
|
|
batch.setResourceTexture(Textures::DebugTexture0, nullptr);
|
|
});
|
|
}
|