423 lines
22 KiB
C++
423 lines
22 KiB
C++
/**
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* @file llshadermgr.h
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* @brief Shader Manager
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_SHADERMGR_H
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#define LL_SHADERMGR_H
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#include "llgl.h"
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#include "llglslshader.h"
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class LLShaderMgr
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{
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public:
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LLShaderMgr();
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virtual ~LLShaderMgr();
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// Note: although you can use statically hashed strings to just bind a random uniform, it's generally preferably that you use this.
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// Always document what the actual shader uniform is next to the shader uniform in this struct.
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// clang-format off
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typedef enum
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{ // Shader uniform name, set in LLShaderMgr::initAttribsAndUniforms()
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MODELVIEW_MATRIX = 0, // "modelview_matrix"
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PROJECTION_MATRIX, // "projection_matrix"
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INVERSE_PROJECTION_MATRIX, // "inv_proj"
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MODELVIEW_PROJECTION_MATRIX, // "modelview_projection_matrix"
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INVERSE_MODELVIEW_MATRIX, // "inv_modelview"
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IDENTITY_MATRIX, // "identity_matrix"
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NORMAL_MATRIX, // "normal_matrix"
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TEXTURE_MATRIX0, // "texture_matrix0"
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TEXTURE_MATRIX1, // "texture_matrix1"
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TEXTURE_MATRIX2, // "texture_matrix2"
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TEXTURE_MATRIX3, // "texture_matrix3"
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OBJECT_PLANE_S, // "object_plane_s"
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OBJECT_PLANE_T, // "object_plane_t"
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TEXTURE_BASE_COLOR_TRANSFORM, // "texture_base_color_transform" (GLTF)
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TEXTURE_NORMAL_TRANSFORM, // "texture_normal_transform" (GLTF)
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TEXTURE_METALLIC_ROUGHNESS_TRANSFORM, // "texture_metallic_roughness_transform" (GLTF)
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TEXTURE_OCCLUSION_TRANSFORM, // "texture_occlusion_transform" (GLTF)
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TEXTURE_EMISSIVE_TRANSFORM, // "texture_emissive_transform" (GLTF)
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BASE_COLOR_TEXCOORD, // "base_color_texcoord" (GLTF)
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EMISSIVE_TEXCOORD, // "emissive_texcoord" (GLTF)
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NORMAL_TEXCOORD, // "normal_texcoord" (GLTF)
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METALLIC_ROUGHNESS_TEXCOORD, // "metallic_roughness_texcoord" (GLTF)
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OCCLUSION_TEXCOORD, // "occlusion_texcoord" (GLTF)
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GLTF_NODE_ID, // "gltf_node_id" (GLTF)
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GLTF_MATERIAL_ID, // "gltf_material_id" (GLTF)
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TERRAIN_TEXTURE_TRANSFORMS, // "terrain_texture_transforms" (GLTF)
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VIEWPORT, // "viewport"
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LIGHT_POSITION, // "light_position"
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LIGHT_DIRECTION, // "light_direction"
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LIGHT_ATTENUATION, // "light_attenuation"
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LIGHT_DEFERRED_ATTENUATION, // "light_deferred_attenuation"
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LIGHT_DIFFUSE, // "light_diffuse"
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LIGHT_AMBIENT, // "light_ambient"
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MULTI_LIGHT_COUNT, // "light_count"
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MULTI_LIGHT, // "light"
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MULTI_LIGHT_COL, // "light_col"
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MULTI_LIGHT_FAR_Z, // "far_z"
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PROJECTOR_MATRIX, // "proj_mat"
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PROJECTOR_NEAR, // "proj_near"
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PROJECTOR_P, // "proj_p"
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PROJECTOR_N, // "proj_n"
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PROJECTOR_ORIGIN, // "proj_origin"
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PROJECTOR_RANGE, // "proj_range"
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PROJECTOR_AMBIANCE, // "proj_ambiance"
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PROJECTOR_SHADOW_INDEX, // "proj_shadow_idx"
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PROJECTOR_SHADOW_FADE, // "shadow_fade"
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PROJECTOR_FOCUS, // "proj_focus"
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PROJECTOR_LOD, // "proj_lod"
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PROJECTOR_AMBIENT_LOD, // "proj_ambient_lod"
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DIFFUSE_COLOR, // "color"
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EMISSIVE_COLOR, // "emissiveColor"
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METALLIC_FACTOR, // "metallicFactor"
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ROUGHNESS_FACTOR, // "roughnessFactor"
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MIRROR_FLAG, // "mirror_flag"
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CLIP_PLANE, // "clipPlane"
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CLIP_SIGN, // "clipSign"
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DIFFUSE_MAP, // "diffuseMap"
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ALTERNATE_DIFFUSE_MAP, // "altDiffuseMap"
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SPECULAR_MAP, // "specularMap"
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METALLIC_ROUGHNESS_MAP, // "metallicRoughnessMap"
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NORMAL_MAP, // "normalMap"
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OCCLUSION_MAP, // "occlusionMap"
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EMISSIVE_MAP, // "emissiveMap"
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BUMP_MAP, // "bumpMap"
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BUMP_MAP2, // "bumpMap2"
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ENVIRONMENT_MAP, // "environmentMap"
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SCENE_MAP, // "sceneMap"
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SCENE_DEPTH, // "sceneDepth"
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REFLECTION_PROBES, // "reflectionProbes"
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IRRADIANCE_PROBES, // "irradianceProbes"
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HERO_PROBE, // "heroProbes"
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CLOUD_NOISE_MAP, // "cloud_noise_texture"
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CLOUD_NOISE_MAP_NEXT, // "cloud_noise_texture_next"
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LIGHTNORM, // "lightnorm"
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SUNLIGHT_COLOR, // "sunlight_color"
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AMBIENT, // "ambient_color"
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SKY_HDR_SCALE, // "sky_hdr_scale"
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SKY_SUNLIGHT_SCALE, // "sky_sunlight_scale"
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SKY_AMBIENT_SCALE, // "sky_ambient_scale"
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CLASSIC_MODE, // "classic_mode"
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BLUE_HORIZON, // "blue_horizon"
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BLUE_DENSITY, // "blue_density"
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HAZE_HORIZON, // "haze_horizon"
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HAZE_DENSITY, // "haze_density"
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CLOUD_SHADOW, // "cloud_shadow"
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DENSITY_MULTIPLIER, // "density_multiplier"
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DISTANCE_MULTIPLIER, // "distance_multiplier"
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MAX_Y, // "max_y"
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GLOW, // "glow"
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CLOUD_COLOR, // "cloud_color"
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CLOUD_POS_DENSITY1, // "cloud_pos_density1"
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CLOUD_POS_DENSITY2, // "cloud_pos_density2"
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CLOUD_SCALE, // "cloud_scale"
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GAMMA, // "gamma"
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SCENE_LIGHT_STRENGTH, // "scene_light_strength"
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LIGHT_CENTER, // "center"
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LIGHT_SIZE, // "size"
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LIGHT_FALLOFF, // "falloff"
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BOX_CENTER, // "box_center"
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BOX_SIZE, // "box_size"
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GLOW_MIN_LUMINANCE, // "minLuminance"
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GLOW_MAX_EXTRACT_ALPHA, // "maxExtractAlpha"
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GLOW_LUM_WEIGHTS, // "lumWeights"
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GLOW_WARMTH_WEIGHTS, // "warmthWeights"
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GLOW_WARMTH_AMOUNT, // "warmthAmount"
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GLOW_STRENGTH, // "glowStrength"
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GLOW_DELTA, // "glowDelta"
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GLOW_NOISE_MAP, // "glowNoiseMap"
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MINIMUM_ALPHA, // "minimum_alpha"
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EMISSIVE_BRIGHTNESS, // "emissive_brightness"
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DEFERRED_SHADOW_MATRIX, // "shadow_matrix"
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DEFERRED_ENV_MAT, // "env_mat"
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DEFERRED_SHADOW_CLIP, // "shadow_clip"
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DEFERRED_SUN_WASH, // "sun_wash"
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DEFERRED_SHADOW_NOISE, // "shadow_noise"
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DEFERRED_BLUR_SIZE, // "blur_size"
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DEFERRED_SSAO_RADIUS, // "ssao_radius"
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DEFERRED_SSAO_MAX_RADIUS, // "ssao_max_radius"
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DEFERRED_SSAO_FACTOR, // "ssao_factor"
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DEFERRED_SSAO_FACTOR_INV, // "ssao_factor_inv"
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DEFERRED_SSAO_EFFECT_MAT, // "ssao_effect_mat"
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DEFERRED_SCREEN_RES, // "screen_res"
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DEFERRED_NEAR_CLIP, // "near_clip"
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DEFERRED_SHADOW_OFFSET, // "shadow_offset"
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DEFERRED_SHADOW_BIAS, // "shadow_bias"
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DEFERRED_SPOT_SHADOW_BIAS, // "spot_shadow_bias"
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DEFERRED_SPOT_SHADOW_OFFSET, // "spot_shadow_offset"
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DEFERRED_SUN_DIR, // "sun_dir"
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DEFERRED_MOON_DIR, // "moon_dir"
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DEFERRED_SHADOW_RES, // "shadow_res"
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DEFERRED_PROJ_SHADOW_RES, // "proj_shadow_res"
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DEFERRED_DEPTH_CUTOFF, // "depth_cutoff"
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DEFERRED_NORM_CUTOFF, // "norm_cutoff"
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DEFERRED_SHADOW_TARGET_WIDTH, // "shadow_target_width"
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DEFERRED_SSR_ITR_COUNT, // "iterationCount"
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DEFERRED_SSR_RAY_STEP, // "rayStep"
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DEFERRED_SSR_DIST_BIAS, // "distanceBias"
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DEFERRED_SSR_REJECT_BIAS, // "depthRejectBias"
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DEFERRED_SSR_GLOSSY_SAMPLES, // "glossySampleCount"
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DEFERRED_SSR_NOISE_SINE, // "noiseSine"
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DEFERRED_SSR_ADAPTIVE_STEP_MULT, // "adaptiveStepMultiplier"
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MODELVIEW_DELTA_MATRIX, // "modelview_delta"
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INVERSE_MODELVIEW_DELTA_MATRIX, // "inv_modelview_delta"
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CUBE_SNAPSHOT, // "cube_snapshot"
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FXAA_TC_SCALE, // "tc_scale"
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FXAA_RCP_SCREEN_RES, // "rcp_screen_res"
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FXAA_RCP_FRAME_OPT, // "rcp_frame_opt"
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FXAA_RCP_FRAME_OPT2, // "rcp_frame_opt2"
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DOF_FOCAL_DISTANCE, // "focal_distance"
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DOF_BLUR_CONSTANT, // "blur_constant"
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DOF_TAN_PIXEL_ANGLE, // "tan_pixel_angle"
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DOF_MAGNIFICATION, // "magnification"
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DOF_MAX_COF, // "max_cof"
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DOF_RES_SCALE, // "res_scale"
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DOF_WIDTH, // "dof_width"
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DOF_HEIGHT, // "dof_height"
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DEFERRED_DEPTH, // "depthMap"
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DEFERRED_SHADOW0, // "shadowMap0"
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DEFERRED_SHADOW1, // "shadowMap1"
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DEFERRED_SHADOW2, // "shadowMap2"
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DEFERRED_SHADOW3, // "shadowMap3"
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DEFERRED_SHADOW4, // "shadowMap4"
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DEFERRED_SHADOW5, // "shadowMap5"
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DEFERRED_POSITION, // "positionMap"
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DEFERRED_DIFFUSE, // "diffuseRect"
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DEFERRED_SPECULAR, // "specularRect"
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DEFERRED_EMISSIVE, // "emissiveRect"
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EXPOSURE_MAP, // "exposureMap"
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DEFERRED_BRDF_LUT, // "brdfLut"
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DEFERRED_NOISE, // "noiseMap"
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DEFERRED_LIGHTFUNC, // "lightFunc"
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DEFERRED_LIGHT, // "lightMap"
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DEFERRED_BLOOM, // "bloomMap"
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DEFERRED_PROJECTION, // "projectionMap"
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DEFERRED_NORM_MATRIX, // "norm_mat"
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SPECULAR_COLOR, // "specular_color"
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ENVIRONMENT_INTENSITY, // "env_intensity"
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AVATAR_MATRIX, // "matrixPalette"
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AVATAR_TRANSLATION, // "translationPalette"
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// <FS:CR> Import Vignette from Exodus
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RENDER_VIGNETTE, // "vignette"
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// </FS:CR> Import Vignette from Exodus
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WATER_SCREENTEX, // "screenTex"
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WATER_SCREENDEPTH, // "screenDepth"
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WATER_REFTEX, // "refTex"
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WATER_EXCLUSIONTEX, // "exclusionTex"
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WATER_EYEVEC, // "eyeVec"
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WATER_TIME, // "time"
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WATER_WAVE_DIR1, // "waveDir1"
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WATER_WAVE_DIR2, // "waveDir2"
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WATER_LIGHT_DIR, // "lightDir"
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WATER_SPECULAR, // "specular"
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WATER_SPECULAR_EXP, // "lightExp"
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WATER_FOGCOLOR, // "waterFogColor"
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WATER_FOGCOLOR_LINEAR, // "waterFogColorLinear"
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WATER_FOGDENSITY, // "waterFogDensity"
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WATER_FOGKS, // "waterFogKS"
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WATER_REFSCALE, // "refScale"
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WATER_WATERHEIGHT, // "waterHeight"
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WATER_WATERPLANE, // "waterPlane"
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WATER_NORM_SCALE, // "normScale"
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WATER_FRESNEL_SCALE, // "fresnelScale"
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WATER_FRESNEL_OFFSET, // "fresnelOffset"
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WATER_BLUR_MULTIPLIER, // "blurMultiplier"
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WATER_SUN_ANGLE, // "sunAngle"
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WATER_SCALED_ANGLE, // "scaledAngle"
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WATER_SUN_ANGLE2, // "sunAngle2"
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WL_CAMPOSLOCAL, // "camPosLocal"
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// [RLVa:KB] - @setsphere
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RLV_EFFECT_MODE, // "rlvEffectMode"
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RLV_EFFECT_PARAM1, // "rlvEffectParam1"
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RLV_EFFECT_PARAM2, // "rlvEffectParam2"
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RLV_EFFECT_PARAM3, // "rlvEffectParam3"
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RLV_EFFECT_PARAM4, // "rlvEffectParam4"
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RLV_EFFECT_PARAM5, // "rlvEffectParam5"
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// [/RLVa:KB]
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AVATAR_WIND, // "gWindDir"
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AVATAR_SINWAVE, // "gSinWaveParams"
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AVATAR_GRAVITY, // "gGravity"
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TERRAIN_DETAIL0, // "detail_0"
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TERRAIN_DETAIL1, // "detail_1"
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TERRAIN_DETAIL2, // "detail_2"
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TERRAIN_DETAIL3, // "detail_3"
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TERRAIN_ALPHARAMP, // "alpha_ramp"
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TERRAIN_PAINTMAP, // "paint_map"
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TERRAIN_DETAIL0_BASE_COLOR, // "detail_0_base_color" (GLTF)
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TERRAIN_DETAIL1_BASE_COLOR, // "detail_1_base_color" (GLTF)
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TERRAIN_DETAIL2_BASE_COLOR, // "detail_2_base_color" (GLTF)
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TERRAIN_DETAIL3_BASE_COLOR, // "detail_3_base_color" (GLTF)
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TERRAIN_DETAIL0_NORMAL, // "detail_0_normal" (GLTF)
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TERRAIN_DETAIL1_NORMAL, // "detail_1_normal" (GLTF)
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TERRAIN_DETAIL2_NORMAL, // "detail_2_normal" (GLTF)
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TERRAIN_DETAIL3_NORMAL, // "detail_3_normal" (GLTF)
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TERRAIN_DETAIL0_METALLIC_ROUGHNESS, // "detail_0_metallic_roughness" (GLTF)
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TERRAIN_DETAIL1_METALLIC_ROUGHNESS, // "detail_1_metallic_roughness" (GLTF)
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TERRAIN_DETAIL2_METALLIC_ROUGHNESS, // "detail_2_metallic_roughness" (GLTF)
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TERRAIN_DETAIL3_METALLIC_ROUGHNESS, // "detail_3_metallic_roughness" (GLTF)
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TERRAIN_DETAIL0_EMISSIVE, // "detail_0_emissive" (GLTF)
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TERRAIN_DETAIL1_EMISSIVE, // "detail_1_emissive" (GLTF)
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TERRAIN_DETAIL2_EMISSIVE, // "detail_2_emissive" (GLTF)
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TERRAIN_DETAIL3_EMISSIVE, // "detail_3_emissive" (GLTF)
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TERRAIN_BASE_COLOR_FACTORS, // "baseColorFactors" (GLTF)
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TERRAIN_METALLIC_FACTORS, // "metallicFactors" (GLTF)
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TERRAIN_ROUGHNESS_FACTORS, // "roughnessFactors" (GLTF)
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TERRAIN_EMISSIVE_COLORS, // "emissiveColors" (GLTF)
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TERRAIN_MINIMUM_ALPHAS, // "minimum_alphas" (GLTF)
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REGION_SCALE, // "region_scale" (GLTF)
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SHINY_ORIGIN, // "origin"
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DISPLAY_GAMMA, // "display_gamma"
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INSCATTER_RT, // "inscatter"
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SUN_SIZE, // "sun_size"
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FOG_COLOR, // "fog_color"
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// precomputed textures
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TRANSMITTANCE_TEX, // "transmittance_texture"
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SCATTER_TEX, // "scattering_texture"
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SINGLE_MIE_SCATTER_TEX, // "single_mie_scattering_texture"
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ILLUMINANCE_TEX, // "irradiance_texture"
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BLEND_FACTOR, // "blend_factor"
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MOISTURE_LEVEL, // "moisture_level"
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DROPLET_RADIUS, // "droplet_radius"
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ICE_LEVEL, // "ice_level"
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RAINBOW_MAP, // "rainbow_map"
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HALO_MAP, // "halo_map"
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MOON_BRIGHTNESS, // "moon_brightness"
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CLOUD_VARIANCE, // "cloud_variance"
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REFLECTION_PROBE_AMBIANCE, // "reflection_probe_ambiance"
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REFLECTION_PROBE_MAX_LOD, // "max_probe_lod"
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REFLECTION_PROBE_STRENGTH, // "probe_strength"
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SH_INPUT_L1R, // "sh_input_r"
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SH_INPUT_L1G, // "sh_input_g"
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SH_INPUT_L1B, // "sh_input_b"
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SUN_MOON_GLOW_FACTOR, // "sun_moon_glow_factor"
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WATER_EDGE_FACTOR, // "water_edge"
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SUN_UP_FACTOR, // "sun_up_factor"
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MOONLIGHT_COLOR, // "moonlight_color"
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DEBUG_NORMAL_DRAW_LENGTH, // "debug_normal_draw_length"
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SMAA_EDGE_TEX, // "edgesTex"
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SMAA_AREA_TEX, // "areaTex"
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SMAA_SEARCH_TEX, // "searchTex"
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SMAA_BLEND_TEX, // "blendTex"
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// <FS:Beq> Uniforms for snapshot frame
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SNAPSHOT_BORDER_COLOR, // "border_color"
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SNAPSHOT_BORDER_THICKNESS, // "border_thickness"
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SNAPSHOT_GUIDE_COLOR, // "guide_color"
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SNAPSHOT_GUIDE_THICKNESS, // "guide_thickness"
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SNAPSHOT_GUIDE_STYLE, // "guide_style"
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SNAPSHOT_FRAME_RECT, // "frame_rect"
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// </FS:Beq>
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END_RESERVED_UNIFORMS
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} eGLSLReservedUniforms;
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// clang-format on
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// singleton pattern implementation
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static LLShaderMgr * instance();
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virtual void initAttribsAndUniforms(void);
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bool attachShaderFeatures(LLGLSLShader * shader);
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void dumpObjectLog(GLuint ret, bool warns = true, const std::string& filename = "");
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void dumpShaderSource(U32 shader_code_count, GLchar** shader_code_text);
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bool linkProgramObject(GLuint obj, bool suppress_errors = false);
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bool validateProgramObject(GLuint obj);
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GLuint loadShaderFile(const std::string& filename, S32 & shader_level, GLenum type, std::map<std::string, std::string>* defines = NULL, S32 texture_index_channels = -1);
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// Implemented in the application to actually point to the shader directory.
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virtual std::string getShaderDirPrefix(void) = 0; // Pure Virtual
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// Implemented in the application to actually update out of date uniforms for a particular shader
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virtual void updateShaderUniforms(LLGLSLShader * shader) = 0; // Pure Virtual
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void initShaderCache(bool enabled, const LLUUID& old_cache_version, const LLUUID& current_cache_version, bool second_instance);
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void clearShaderCache();
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void persistShaderCacheMetadata();
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bool loadCachedProgramBinary(LLGLSLShader* shader);
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bool saveCachedProgramBinary(LLGLSLShader* shader);
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public:
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// Map of shader names to compiled
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std::map<std::string, GLuint> mVertexShaderObjects;
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std::map<std::string, GLuint> mFragmentShaderObjects;
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//global (reserved slot) shader parameters
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std::vector<std::string> mReservedAttribs;
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std::vector<std::string> mReservedUniforms;
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struct ProgramBinaryData
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{
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GLsizei mBinaryLength = 0;
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GLenum mBinaryFormat = 0;
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F32 mLastUsedTime = 0.0;
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};
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std::map<LLUUID, ProgramBinaryData> mShaderBinaryCache;
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LLUUID mShaderCacheVersion;
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bool mShaderCacheEnabled = false;
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std::string mShaderCacheDir;
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protected:
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// our parameter manager singleton instance
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static LLShaderMgr * sInstance;
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}; //LLShaderMgr
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#endif
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