render-utils/src/render-utils/ShaderConstants.h

// <!
//  Created by Bradley Austin Davis on 2018/05/25
//  Copyright 2013-2018 High Fidelity, Inc.
//  Copyright 2024 Overte e.V.
//
//  Distributed under the Apache License, Version 2.0.
//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
// !>
 
// <@if not RENDER_UTILS_SHADER_CONSTANTS_H@>
// <@def RENDER_UTILS_SHADER_CONSTANTS_H@>
 
// Hack comment to absorb the extra '//' scribe prepends
 
#ifndef RENDER_UTILS_SHADER_CONSTANTS_H
#define RENDER_UTILS_SHADER_CONSTANTS_H
 
// Feature enabling flags (possibly need to rebuild shaders if this changes)
#define RENDER_UTILS_ENABLE_AMBIENT_FRESNEL_LUT 1
 
// Binding slots
#define RENDER_UTILS_ATTR_TEXCOORD01 0 // one per layer, so takes slots 0 - 2
#define RENDER_UTILS_ATTR_COLOR 3
 
// World space
#define RENDER_UTILS_ATTR_POSITION_WS 4
#define RENDER_UTILS_ATTR_NORMAL_WS 5
#define RENDER_UTILS_ATTR_TANGENT_WS 6
 
// Model space 
#define RENDER_UTILS_ATTR_POSITION_MS 7
#define RENDER_UTILS_ATTR_NORMAL_MS 8
 
// Eye space
#define RENDER_UTILS_ATTR_POSITION_ES 9
 
// Clip space
#define RENDER_UTILS_ATTR_PREV_POSITION_CS 10
 
// Fade
#define RENDER_UTILS_ATTR_FADE1 11
#define RENDER_UTILS_ATTR_FADE2 12
#define RENDER_UTILS_ATTR_FADE3 13
#define RENDER_UTILS_ATTR_FADE4 14
#define RENDER_UTILS_ATTR_FADE5 15
#define RENDER_UTILS_ATTR_FADE6 16
#define RENDER_UTILS_ATTR_FADE7 17
 
// don't conflict with GPU_ATTR_V2F_STEREO_SIDE in the GPU shader constants
#define RENDER_UTILS_ATTR_DO_NOT_USE 18
// don't conflict with GPU_ATTR_V2F_DRAW_CALL_INFO in the GPU shader constants
#define RENDER_UTILS_ATTR_DO_NOT_USE2 19
 
// 0 - 7 are in graphics/ShaderConstants.h
#define RENDER_UTILS_BUFFER_DEFERRED_FRAME_TRANSFORM 7 // can overlap with GRAPHICS_BUFFER_SKYBOX_PARAMS
#define RENDER_UTILS_BUFFER_LIGHT_MODEL 8
#define RENDER_UTILS_BUFFER_LIGHT_INDEX 9 // only used in deferred pass
 
// Fading
#define RENDER_UTILS_BUFFER_FADE_OBJECT_PARAMS 9 // this can overlap RENDER_UTILS_BUFFER_LIGHT_INDEX because they aren't used at the same time
#define RENDER_UTILS_TEXTURE_FADE_MASK 12
 
// Deferred lighting resolution
#define RENDER_UTILS_TEXTURE_DEFERRRED_COLOR 0
#define RENDER_UTILS_TEXTURE_DEFERRRED_NORMAL 1
#define RENDER_UTILS_TEXTURE_DEFERRRED_SPECULAR 2
#define RENDER_UTILS_TEXTURE_DEFERRRED_DEPTH 3
#define RENDER_UTILS_TEXTURE_DEFERRED_OBSCURANCE 4
#define RENDER_UTILS_TEXTURE_DEFERRRED_LINEAR_Z_EYE 5
#define RENDER_UTILS_TEXTURE_DEFERRED_CURVATURE 6
#define RENDER_UTILS_TEXTURE_DEFERRED_DIFFUSED_CURVATURE 7
#define RENDER_UTILS_TEXTURE_DEFERRED_LIGHTING 10
#define RENDER_UTILS_TEXTURE_SKYBOX 13
#define RENDER_UTILS_TEXTURE_AMBIENT_FRESNEL 14
 
#define RENDER_UTILS_BUFFER_SHADOW_PARAMS 0
#define RENDER_UTILS_TEXTURE_SHADOW 12
 
#define RENDER_UTILS_BUFFER_LIGHT_CLUSTER_FRUSTUM_GRID 10
#define RENDER_UTILS_BUFFER_LIGHT_CLUSTER_GRID 11
#define RENDER_UTILS_BUFFER_LIGHT_CLUSTER_CONTENT 12
 
// Haze
#define RENDER_UTILS_TEXTURE_HAZE_LINEAR_DEPTH 1
 
// Highlighting
#define RENDER_UTILS_BUFFER_HIGHLIGHT_PARAMS 2
#define RENDER_UTILS_TEXTURE_HIGHLIGHT_SCENE_DEPTH 0
#define RENDER_UTILS_TEXTURE_HIGHLIGHT_DEPTH 1
 
// Subsurface scattering
#define RENDER_UTILS_BUFFER_SSSC_PARAMS 13
#define RENDER_UTILS_TEXTURE_SSSC_PROFILE 12
#define RENDER_UTILS_TEXTURE_SSSC_LUT 8
#define RENDER_UTILS_TEXTURE_SSSC_SPECULAR_BECKMANN 9
 
// Ambient occlusion
#define RENDER_UTILS_BUFFER_SSAO_PARAMS 2
#define RENDER_UTILS_BUFFER_SSAO_DEBUG_PARAMS 3
#define RENDER_UTILS_BUFFER_SSAO_BLUR_PARAMS 4
#define RENDER_UTILS_BUFFER_SSAO_FRAME_PARAMS 5
#define RENDER_UTILS_TEXTURE_SSAO_DEPTH 1
#define RENDER_UTILS_TEXTURE_SSAO_NORMAL 2
#define RENDER_UTILS_TEXTURE_SSAO_OCCLUSION 0
 
// Temporal anti-aliasing
#define RENDER_UTILS_BUFFER_TAA_PARAMS 2
#define RENDER_UTILS_TEXTURE_TAA_HISTORY 0
#define RENDER_UTILS_TEXTURE_TAA_SOURCE 1
#define RENDER_UTILS_TEXTURE_TAA_VELOCITY 2
#define RENDER_UTILS_TEXTURE_TAA_DEPTH 3
#define RENDER_UTILS_TEXTURE_TAA_NEXT 4
#define RENDER_UTILS_TEXTURE_TAA_INTENSITY 5
 
// Surface Geometry 
#define RENDER_UTILS_BUFFER_SG_PARAMS 1
#define RENDER_UTILS_TEXTURE_SG_DEPTH 0
#define RENDER_UTILS_TEXTURE_SG_NORMAL 1
 
// Blur
#define RENDER_UTILS_BUFFER_BLUR_PARAMS 0
#define RENDER_UTILS_TEXTURE_BLUR_SOURCE 0
#define RENDER_UTILS_TEXTURE_BLUR_DEPTH 1
 
// Tone Mapping
#define RENDER_UTILS_BUFFER_TM_PARAMS 0
#define RENDER_UTILS_TEXTURE_TM_COLOR 0
 
// Bloom
#define RENDER_UTILS_BUFFER_BLOOM_PARAMS 1
#define RENDER_UTILS_TEXTURE_BLOOM_COLOR 0
 
// SDF Text rendering
#define RENDER_UTILS_TEXTURE_TEXT_FONT 0
#define RENDER_UTILS_UNIFORM_TEXT_COLOR 0
#define RENDER_UTILS_UNIFORM_TEXT_OUTLINE 1
 
// Debugging
#define RENDER_UTILS_BUFFER_DEBUG_SKYBOX 7
#define RENDER_UTILS_DEBUG_TEXTURE0 11
#define RENDER_UTILS_BUFFER_DEBUG_DEFERRED_PARAMS 1
 
// <!
#include <gpu/ShaderConstants.h>
 
namespace render_utils { namespace slot {
 
namespace buffer {
enum Buffer {
    DeferredFrameTransform = RENDER_UTILS_BUFFER_DEFERRED_FRAME_TRANSFORM,
    LightModel = RENDER_UTILS_BUFFER_LIGHT_MODEL,
    FadeObjectParameters = RENDER_UTILS_BUFFER_FADE_OBJECT_PARAMS,
    LightClusterFrustumGrid = RENDER_UTILS_BUFFER_LIGHT_CLUSTER_FRUSTUM_GRID,
    LightClusterGrid = RENDER_UTILS_BUFFER_LIGHT_CLUSTER_GRID,
    LightClusterContent = RENDER_UTILS_BUFFER_LIGHT_CLUSTER_CONTENT,
    SsscParams = RENDER_UTILS_BUFFER_SSSC_PARAMS,
    SsaoParams = RENDER_UTILS_BUFFER_SSAO_PARAMS,
    SsaoFrameParams = RENDER_UTILS_BUFFER_SSAO_FRAME_PARAMS,
    SsaoDebugParams = RENDER_UTILS_BUFFER_SSAO_DEBUG_PARAMS,
    SsaoBlurParams = RENDER_UTILS_BUFFER_SSAO_BLUR_PARAMS,
    LightIndex = RENDER_UTILS_BUFFER_LIGHT_INDEX,
    TaaParams = RENDER_UTILS_BUFFER_TAA_PARAMS,
    HighlightParams = RENDER_UTILS_BUFFER_HIGHLIGHT_PARAMS,
    DebugSkyboxParams = RENDER_UTILS_BUFFER_DEBUG_SKYBOX,
    SurfaceGeometryParams = RENDER_UTILS_BUFFER_SG_PARAMS,
    BlurParams = RENDER_UTILS_BUFFER_BLUR_PARAMS,
    BloomParams = RENDER_UTILS_BUFFER_BLOOM_PARAMS,
    ToneMappingParams = RENDER_UTILS_BUFFER_TM_PARAMS,
    ShadowParams = RENDER_UTILS_BUFFER_SHADOW_PARAMS,
    DebugDeferredParams = RENDER_UTILS_BUFFER_DEBUG_DEFERRED_PARAMS,
};
} // namespace buffer
 
namespace texture {
enum Texture {
    DeferredColor = RENDER_UTILS_TEXTURE_DEFERRRED_COLOR,
    DeferredNormal = RENDER_UTILS_TEXTURE_DEFERRRED_NORMAL,
    DeferredSpecular = RENDER_UTILS_TEXTURE_DEFERRRED_SPECULAR,
    DeferredDepth = RENDER_UTILS_TEXTURE_DEFERRRED_DEPTH,
    DeferredLinearZEye = RENDER_UTILS_TEXTURE_DEFERRRED_LINEAR_Z_EYE,
    DeferredObscurance = RENDER_UTILS_TEXTURE_DEFERRED_OBSCURANCE,
    DeferredLighting = RENDER_UTILS_TEXTURE_DEFERRED_LIGHTING,
    DeferredCurvature = RENDER_UTILS_TEXTURE_DEFERRED_CURVATURE,
    DeferredDiffusedCurvature = RENDER_UTILS_TEXTURE_DEFERRED_DIFFUSED_CURVATURE,
    SsscLut = RENDER_UTILS_TEXTURE_SSSC_LUT,
    SsscSpecularBeckmann = RENDER_UTILS_TEXTURE_SSSC_SPECULAR_BECKMANN,
    SsscProfile = RENDER_UTILS_TEXTURE_SSSC_PROFILE,
    FadeMask = RENDER_UTILS_TEXTURE_FADE_MASK,
    Skybox = RENDER_UTILS_TEXTURE_SKYBOX,
    HazeLinearDepth = RENDER_UTILS_TEXTURE_HAZE_LINEAR_DEPTH,
    Shadow = RENDER_UTILS_TEXTURE_SHADOW,
    TaaHistory = RENDER_UTILS_TEXTURE_TAA_HISTORY,
    TaaSource = RENDER_UTILS_TEXTURE_TAA_SOURCE,
    TaaVelocity = RENDER_UTILS_TEXTURE_TAA_VELOCITY,
    TaaDepth = RENDER_UTILS_TEXTURE_TAA_DEPTH,
    TaaNext = RENDER_UTILS_TEXTURE_TAA_NEXT,
    TaaIntensity = RENDER_UTILS_TEXTURE_TAA_INTENSITY,
    SsaoOcclusion = RENDER_UTILS_TEXTURE_SSAO_OCCLUSION,
    SsaoDepth = RENDER_UTILS_TEXTURE_SSAO_DEPTH,
    SsaoNormal = RENDER_UTILS_TEXTURE_SSAO_NORMAL,
    HighlightSceneDepth = RENDER_UTILS_TEXTURE_HIGHLIGHT_SCENE_DEPTH,
    HighlightDepth = RENDER_UTILS_TEXTURE_HIGHLIGHT_DEPTH,
    SurfaceGeometryDepth = RENDER_UTILS_TEXTURE_SG_DEPTH,
    SurfaceGeometryNormal = RENDER_UTILS_TEXTURE_SG_NORMAL,
    BlurSource = RENDER_UTILS_TEXTURE_BLUR_SOURCE,
    BlurDepth = RENDER_UTILS_TEXTURE_BLUR_DEPTH,
    BloomColor = RENDER_UTILS_TEXTURE_BLOOM_COLOR,
    ToneMappingColor = RENDER_UTILS_TEXTURE_TM_COLOR,
    TextFont = RENDER_UTILS_TEXTURE_TEXT_FONT,
    AmbientFresnel = RENDER_UTILS_TEXTURE_AMBIENT_FRESNEL,
    DebugTexture0 = RENDER_UTILS_DEBUG_TEXTURE0,
};
} // namespace texture
 
} } // namespace render_utils::slot
 
// !>
// Hack Comment
 
#endif // RENDER_UTILS_SHADER_CONSTANTS_H
 
// <@if 1@>
// Trigger Scribe include
// <@endif@> <!def that !>
 
// <@endif@>
 
// Hack Comment