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Add optional depth fog

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This commit is contained in:
Eidolon
2022-09-18 00:31:43 -05:00
committed by Rafael Correa
parent 9283d0d65c
commit 08f4560e69
27 changed files with 406 additions and 33 deletions
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17
servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.cpp
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@@ -374,7 +374,7 @@ void RenderForwardClustered::_render_list_template(RenderingDevice::DrawListID p
SceneShaderForwardClustered::PipelineVersion pipeline_version = SceneShaderForwardClustered::PIPELINE_VERSION_MAX; // Assigned to silence wrong -Wmaybe-initialized.
uint32_t pipeline_color_pass_flags = 0;
uint32_t pipeline_specialization = 0;
uint32_t pipeline_specialization = p_params->spec_constant_base_flags;
if constexpr (p_pass_mode == PASS_MODE_COLOR) {
if (element_info.uses_softshadow) {
@@ -1884,6 +1884,13 @@ void RenderForwardClustered::_render_scene(RenderDataRD *p_render_data, const Co
bool debug_sdfgi_probes = get_debug_draw_mode() == RS::VIEWPORT_DEBUG_DRAW_SDFGI_PROBES;
bool depth_pre_pass = bool(GLOBAL_GET("rendering/driver/depth_prepass/enable")) && depth_framebuffer.is_valid();
uint32_t spec_constant_base_flags = 0;
{
if (p_render_data->environment.is_valid() && environment_get_fog_mode(p_render_data->environment) == RS::EnvironmentFogMode::ENV_FOG_MODE_DEPTH) {
spec_constant_base_flags |= 1 << SPEC_CONSTANT_USE_DEPTH_FOG;
}
}
bool using_ssao = depth_pre_pass && !is_reflection_probe && p_render_data->environment.is_valid() && environment_get_ssao_enabled(p_render_data->environment);
if (depth_pre_pass) { //depth pre pass
@@ -1906,7 +1913,7 @@ void RenderForwardClustered::_render_scene(RenderDataRD *p_render_data, const Co
RID rp_uniform_set = _setup_render_pass_uniform_set(RENDER_LIST_OPAQUE, nullptr, RID(), samplers);
bool finish_depth = using_ssao || using_ssil || using_sdfgi || using_voxelgi;
RenderListParameters render_list_params(render_list[RENDER_LIST_OPAQUE].elements.ptr(), render_list[RENDER_LIST_OPAQUE].element_info.ptr(), render_list[RENDER_LIST_OPAQUE].elements.size(), reverse_cull, depth_pass_mode, 0, rb_data.is_null(), p_render_data->directional_light_soft_shadows, rp_uniform_set, get_debug_draw_mode() == RS::VIEWPORT_DEBUG_DRAW_WIREFRAME, Vector2(), p_render_data->scene_data->lod_distance_multiplier, p_render_data->scene_data->screen_mesh_lod_threshold, p_render_data->scene_data->view_count);
RenderListParameters render_list_params(render_list[RENDER_LIST_OPAQUE].elements.ptr(), render_list[RENDER_LIST_OPAQUE].element_info.ptr(), render_list[RENDER_LIST_OPAQUE].elements.size(), reverse_cull, depth_pass_mode, 0, rb_data.is_null(), p_render_data->directional_light_soft_shadows, rp_uniform_set, get_debug_draw_mode() == RS::VIEWPORT_DEBUG_DRAW_WIREFRAME, Vector2(), p_render_data->scene_data->lod_distance_multiplier, p_render_data->scene_data->screen_mesh_lod_threshold, p_render_data->scene_data->view_count, 0, spec_constant_base_flags);
_render_list_with_draw_list(&render_list_params, depth_framebuffer, needs_pre_resolve ? RD::INITIAL_ACTION_LOAD : RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_STORE, needs_pre_resolve ? RD::INITIAL_ACTION_LOAD : RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_STORE, needs_pre_resolve ? Vector<Color>() : depth_pass_clear);
RD::get_singleton()->draw_command_end_label();
@@ -1972,7 +1979,7 @@ void RenderForwardClustered::_render_scene(RenderDataRD *p_render_data, const Co
uint32_t opaque_color_pass_flags = using_motion_pass ? (color_pass_flags & ~COLOR_PASS_FLAG_MOTION_VECTORS) : color_pass_flags;
RID opaque_framebuffer = using_motion_pass ? rb_data->get_color_pass_fb(opaque_color_pass_flags) : color_framebuffer;
RenderListParameters render_list_params(render_list[RENDER_LIST_OPAQUE].elements.ptr(), render_list[RENDER_LIST_OPAQUE].element_info.ptr(), render_list[RENDER_LIST_OPAQUE].elements.size(), reverse_cull, PASS_MODE_COLOR, opaque_color_pass_flags, rb_data.is_null(), p_render_data->directional_light_soft_shadows, rp_uniform_set, get_debug_draw_mode() == RS::VIEWPORT_DEBUG_DRAW_WIREFRAME, Vector2(), p_render_data->scene_data->lod_distance_multiplier, p_render_data->scene_data->screen_mesh_lod_threshold, p_render_data->scene_data->view_count);
RenderListParameters render_list_params(render_list[RENDER_LIST_OPAQUE].elements.ptr(), render_list[RENDER_LIST_OPAQUE].element_info.ptr(), render_list[RENDER_LIST_OPAQUE].elements.size(), reverse_cull, PASS_MODE_COLOR, opaque_color_pass_flags, rb_data.is_null(), p_render_data->directional_light_soft_shadows, rp_uniform_set, get_debug_draw_mode() == RS::VIEWPORT_DEBUG_DRAW_WIREFRAME, Vector2(), p_render_data->scene_data->lod_distance_multiplier, p_render_data->scene_data->screen_mesh_lod_threshold, p_render_data->scene_data->view_count, 0, spec_constant_base_flags);
_render_list_with_draw_list(&render_list_params, opaque_framebuffer, load_color ? RD::INITIAL_ACTION_LOAD : RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_STORE, depth_pre_pass ? RD::INITIAL_ACTION_LOAD : RD::INITIAL_ACTION_CLEAR, RD::FINAL_ACTION_STORE, c, 1.0, 0);
}
@@ -1992,7 +1999,7 @@ void RenderForwardClustered::_render_scene(RenderDataRD *p_render_data, const Co
rp_uniform_set = _setup_render_pass_uniform_set(RENDER_LIST_MOTION, p_render_data, radiance_texture, samplers, true);
RenderListParameters render_list_params(render_list[RENDER_LIST_MOTION].elements.ptr(), render_list[RENDER_LIST_MOTION].element_info.ptr(), render_list[RENDER_LIST_MOTION].elements.size(), reverse_cull, PASS_MODE_COLOR, color_pass_flags, rb_data.is_null(), p_render_data->directional_light_soft_shadows, rp_uniform_set, get_debug_draw_mode() == RS::VIEWPORT_DEBUG_DRAW_WIREFRAME, Vector2(), p_render_data->scene_data->lod_distance_multiplier, p_render_data->scene_data->screen_mesh_lod_threshold, p_render_data->scene_data->view_count);
RenderListParameters render_list_params(render_list[RENDER_LIST_MOTION].elements.ptr(), render_list[RENDER_LIST_MOTION].element_info.ptr(), render_list[RENDER_LIST_MOTION].elements.size(), reverse_cull, PASS_MODE_COLOR, color_pass_flags, rb_data.is_null(), p_render_data->directional_light_soft_shadows, rp_uniform_set, get_debug_draw_mode() == RS::VIEWPORT_DEBUG_DRAW_WIREFRAME, Vector2(), p_render_data->scene_data->lod_distance_multiplier, p_render_data->scene_data->screen_mesh_lod_threshold, p_render_data->scene_data->view_count, 0, spec_constant_base_flags);
_render_list_with_draw_list(&render_list_params, color_framebuffer, RD::INITIAL_ACTION_LOAD, RD::FINAL_ACTION_STORE, RD::INITIAL_ACTION_LOAD, RD::FINAL_ACTION_STORE);
RD::get_singleton()->draw_command_end_label();
@@ -2125,7 +2132,7 @@ void RenderForwardClustered::_render_scene(RenderDataRD *p_render_data, const Co
}
RID alpha_framebuffer = rb_data.is_valid() ? rb_data->get_color_pass_fb(transparent_color_pass_flags) : color_only_framebuffer;
RenderListParameters render_list_params(render_list[RENDER_LIST_ALPHA].elements.ptr(), render_list[RENDER_LIST_ALPHA].element_info.ptr(), render_list[RENDER_LIST_ALPHA].elements.size(), false, PASS_MODE_COLOR, transparent_color_pass_flags, rb_data.is_null(), p_render_data->directional_light_soft_shadows, rp_uniform_set, get_debug_draw_mode() == RS::VIEWPORT_DEBUG_DRAW_WIREFRAME, Vector2(), p_render_data->scene_data->lod_distance_multiplier, p_render_data->scene_data->screen_mesh_lod_threshold, p_render_data->scene_data->view_count);
RenderListParameters render_list_params(render_list[RENDER_LIST_ALPHA].elements.ptr(), render_list[RENDER_LIST_ALPHA].element_info.ptr(), render_list[RENDER_LIST_ALPHA].elements.size(), false, PASS_MODE_COLOR, transparent_color_pass_flags, rb_data.is_null(), p_render_data->directional_light_soft_shadows, rp_uniform_set, get_debug_draw_mode() == RS::VIEWPORT_DEBUG_DRAW_WIREFRAME, Vector2(), p_render_data->scene_data->lod_distance_multiplier, p_render_data->scene_data->screen_mesh_lod_threshold, p_render_data->scene_data->view_count, 0, spec_constant_base_flags);
_render_list_with_draw_list(&render_list_params, alpha_framebuffer, RD::INITIAL_ACTION_LOAD, RD::FINAL_ACTION_STORE, RD::INITIAL_ACTION_LOAD, RD::FINAL_ACTION_STORE);
}

5
servers/rendering/renderer_rd/forward_clustered/render_forward_clustered.h
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@@ -72,6 +72,7 @@ class RenderForwardClustered : public RendererSceneRenderRD {
SPEC_CONSTANT_DIRECTIONAL_PENUMBRA_SHADOW_SAMPLES = 9,
SPEC_CONSTANT_DECAL_FILTER = 10,
SPEC_CONSTANT_PROJECTOR_FILTER = 11,
SPEC_CONSTANT_USE_DEPTH_FOG = 12,
};
enum {
@@ -210,8 +211,9 @@ class RenderForwardClustered : public RendererSceneRenderRD {
RD::FramebufferFormatID framebuffer_format = 0;
uint32_t element_offset = 0;
bool use_directional_soft_shadow = false;
uint32_t spec_constant_base_flags = 0;
RenderListParameters(GeometryInstanceSurfaceDataCache **p_elements, RenderElementInfo *p_element_info, int p_element_count, bool p_reverse_cull, PassMode p_pass_mode, uint32_t p_color_pass_flags, bool p_no_gi, bool p_use_directional_soft_shadows, RID p_render_pass_uniform_set, bool p_force_wireframe = false, const Vector2 &p_uv_offset = Vector2(), float p_lod_distance_multiplier = 0.0, float p_screen_mesh_lod_threshold = 0.0, uint32_t p_view_count = 1, uint32_t p_element_offset = 0) {
RenderListParameters(GeometryInstanceSurfaceDataCache **p_elements, RenderElementInfo *p_element_info, int p_element_count, bool p_reverse_cull, PassMode p_pass_mode, uint32_t p_color_pass_flags, bool p_no_gi, bool p_use_directional_soft_shadows, RID p_render_pass_uniform_set, bool p_force_wireframe = false, const Vector2 &p_uv_offset = Vector2(), float p_lod_distance_multiplier = 0.0, float p_screen_mesh_lod_threshold = 0.0, uint32_t p_view_count = 1, uint32_t p_element_offset = 0, uint32_t p_spec_constant_base_flags = 0) {
elements = p_elements;
element_info = p_element_info;
element_count = p_element_count;
@@ -227,6 +229,7 @@ class RenderForwardClustered : public RendererSceneRenderRD {
screen_mesh_lod_threshold = p_screen_mesh_lod_threshold;
element_offset = p_element_offset;
use_directional_soft_shadow = p_use_directional_soft_shadows;
spec_constant_base_flags = p_spec_constant_base_flags;
}
};

4
servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.cpp
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@@ -899,6 +899,10 @@ void RenderForwardMobile::_render_scene(RenderDataRD *p_render_data, const Color
if (!is_environment(p_render_data->environment) || !environment_get_fog_enabled(p_render_data->environment)) {
spec_constant_base_flags |= 1 << SPEC_CONSTANT_DISABLE_FOG;
}
if (p_render_data->environment.is_valid() && environment_get_fog_mode(p_render_data->environment) == RS::EnvironmentFogMode::ENV_FOG_MODE_DEPTH) {
spec_constant_base_flags |= 1 << SPEC_CONSTANT_USE_DEPTH_FOG;
}
}
{

1
servers/rendering/renderer_rd/forward_mobile/render_forward_mobile.h
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@@ -80,6 +80,7 @@ private:
SPEC_CONSTANT_DISABLE_DECALS = 13,
SPEC_CONSTANT_DISABLE_FOG = 14,
SPEC_CONSTANT_USE_DEPTH_FOG = 16,
};

11
servers/rendering/renderer_rd/shaders/forward_clustered/scene_forward_clustered.glsl
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@@ -656,6 +656,7 @@ layout(constant_id = 9) const uint sc_directional_penumbra_shadow_samples = 4;
layout(constant_id = 10) const bool sc_decal_use_mipmaps = true;
layout(constant_id = 11) const bool sc_projector_use_mipmaps = true;
layout(constant_id = 12) const bool sc_use_depth_fog = false;
// not used in clustered renderer but we share some code with the mobile renderer that requires this.
const float sc_luminance_multiplier = 1.0;
@@ -848,7 +849,15 @@ vec4 fog_process(vec3 vertex) {
}
}
float fog_amount = 1.0 - exp(min(0.0, -length(vertex) * scene_data_block.data.fog_density));
float fog_amount = 0.0;
if (sc_use_depth_fog) {
float fog_z = smoothstep(scene_data_block.data.fog_depth_begin, scene_data_block.data.fog_depth_end, length(vertex));
float fog_quad_amount = pow(fog_z, scene_data_block.data.fog_depth_curve) * scene_data_block.data.fog_density;
fog_amount = fog_quad_amount;
} else {
fog_amount = 1 - exp(min(0.0, -length(vertex) * scene_data_block.data.fog_density));
}
if (abs(scene_data_block.data.fog_height_density) >= 0.0001) {
float y = (scene_data_block.data.inv_view_matrix * vec4(vertex, 1.0)).y;

11
servers/rendering/renderer_rd/shaders/forward_mobile/scene_forward_mobile.glsl
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@@ -525,6 +525,7 @@ layout(constant_id = 12) const bool sc_disable_directional_lights = false;
layout(constant_id = 7) const bool sc_decal_use_mipmaps = true;
layout(constant_id = 13) const bool sc_disable_decals = false;
layout(constant_id = 14) const bool sc_disable_fog = false;
layout(constant_id = 16) const bool sc_use_depth_fog = false;
#endif //!MODE_RENDER_DEPTH
@@ -690,7 +691,15 @@ vec4 fog_process(vec3 vertex) {
}
}
float fog_amount = 1.0 - exp(min(0.0, -length(vertex) * scene_data_block.data.fog_density));
float fog_amount = 0.0;
if (sc_use_depth_fog) {
float fog_z = smoothstep(scene_data_block.data.fog_depth_begin, scene_data_block.data.fog_depth_end, length(vertex));
float fog_quad_amount = pow(fog_z, scene_data_block.data.fog_depth_curve) * scene_data_block.data.fog_density;
fog_amount = fog_quad_amount;
} else {
fog_amount = 1 - exp(min(0.0, -length(vertex) * scene_data_block.data.fog_density));
}
if (abs(scene_data_block.data.fog_height_density) >= 0.0001) {
float y = (scene_data_block.data.inv_view_matrix * vec4(vertex, 1.0)).y;

15
servers/rendering/renderer_rd/shaders/scene_data_inc.glsl
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@@ -49,24 +49,29 @@ struct SceneData {
mediump float opaque_prepass_threshold;
bool fog_enabled;
uint fog_mode;
highp float fog_density;
highp float fog_height;
highp float fog_height_density;
mediump vec3 fog_light_color;
mediump float fog_sun_scatter;
highp float fog_depth_curve;
highp float pad;
highp float fog_depth_begin;
mediump vec3 fog_light_color;
highp float fog_depth_end;
mediump float fog_sun_scatter;
mediump float fog_aerial_perspective;
highp float time;
mediump float reflection_multiplier; // one normally, zero when rendering reflections
bool material_uv2_mode;
vec2 taa_jitter;
bool material_uv2_mode;
float emissive_exposure_normalization;
float IBL_exposure_normalization;
float IBL_exposure_normalization;
bool pancake_shadows;
uint camera_visible_layers;
float pass_alpha_multiplier;
uint pad3;
};

5
servers/rendering/renderer_rd/storage_rd/render_scene_data_rd.cpp
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@@ -168,11 +168,16 @@ void RenderSceneDataRD::update_ubo(RID p_uniform_buffer, RS::ViewportDebugDraw p
}
ubo.fog_enabled = render_scene_render->environment_get_fog_enabled(p_env);
ubo.fog_mode = render_scene_render->environment_get_fog_mode(p_env);
ubo.fog_density = render_scene_render->environment_get_fog_density(p_env);
ubo.fog_height = render_scene_render->environment_get_fog_height(p_env);
ubo.fog_height_density = render_scene_render->environment_get_fog_height_density(p_env);
ubo.fog_aerial_perspective = render_scene_render->environment_get_fog_aerial_perspective(p_env);
ubo.fog_depth_curve = render_scene_render->environment_get_fog_depth_curve(p_env);
ubo.fog_depth_end = render_scene_render->environment_get_fog_depth_end(p_env) > 0.0 ? render_scene_render->environment_get_fog_depth_end(p_env) : ubo.z_far;
ubo.fog_depth_begin = MIN(render_scene_render->environment_get_fog_depth_begin(p_env), ubo.fog_depth_end - 0.001);
Color fog_color = render_scene_render->environment_get_fog_light_color(p_env).srgb_to_linear();
float fog_energy = render_scene_render->environment_get_fog_light_energy(p_env);

13
servers/rendering/renderer_rd/storage_rd/render_scene_data_rd.h
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@@ -131,26 +131,31 @@ private:
// Fog
uint32_t fog_enabled;
uint32_t fog_mode;
float fog_density;
float fog_height;
float fog_height_density;
float fog_depth_curve;
float pad;
float fog_depth_begin;
float fog_light_color[3];
float fog_sun_scatter;
float fog_depth_end;
float fog_sun_scatter;
float fog_aerial_perspective;
float time;
float reflection_multiplier;
uint32_t material_uv2_mode;
float taa_jitter[2];
uint32_t material_uv2_mode;
float emissive_exposure_normalization; // Needed to normalize emissive when using physical units.
float IBL_exposure_normalization; // Adjusts for baked exposure.
float IBL_exposure_normalization; // Adjusts for baked exposure.
uint32_t pancake_shadows;
uint32_t camera_visible_layers;
float pass_alpha_multiplier;
uint32_t pad3;
};
struct UBODATA {