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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2016 Blender Foundation. */
/** \file
* \ingroup draw
*/
#pragma once
#include "draw_common_shader_shared.h"
#ifdef __cplusplus
extern "C" {
#endif
struct CurvesUniformBufPool;
struct DRWShadingGroup;
struct FluidModifierData;
struct GPUMaterial;
struct ModifierData;
struct Object;
struct ParticleSystem;
struct RegionView3D;
struct ViewLayer;
struct Scene;
struct DRWData;
/* Keep in sync with globalsBlock in shaders */
BLI_STATIC_ASSERT_ALIGN(GlobalsUboStorage, 16)
void DRW_globals_update(void);
void DRW_globals_free(void);
struct DRWView *DRW_view_create_with_zoffset(const struct DRWView *parent_view,
const struct RegionView3D *rv3d,
float offset);
/**
* Get the wire color theme_id of an object based on its state
* \a r_color is a way to get a pointer to the static color var associated
*/
int DRW_object_wire_theme_get(struct Object *ob, struct ViewLayer *view_layer, float **r_color);
float *DRW_color_background_blend_get(int theme_id);
bool DRW_object_is_flat(struct Object *ob, int *r_axis);
bool DRW_object_axis_orthogonal_to_view(struct Object *ob, int axis);
/* draw_hair.cc */
/**
* This creates a shading group with display hairs.
* The draw call is already added by this function, just add additional uniforms.
*/
struct DRWShadingGroup *DRW_shgroup_hair_create_sub(struct Object *object,
struct ParticleSystem *psys,
struct ModifierData *md,
struct DRWShadingGroup *shgrp,
struct GPUMaterial *gpu_material);
/**
* \note Only valid after #DRW_hair_update().
*/
struct GPUVertBuf *DRW_hair_pos_buffer_get(struct Object *object,
struct ParticleSystem *psys,
struct ModifierData *md);
void DRW_hair_duplimat_get(struct Object *object,
struct ParticleSystem *psys,
struct ModifierData *md,
float (*dupli_mat)[4]);
void DRW_hair_init(void);
void DRW_hair_update(void);
void DRW_hair_free(void);
/* draw_curves.cc */
/**
* \note Only valid after #DRW_curves_update().
*/
struct GPUVertBuf *DRW_curves_pos_buffer_get(struct Object *object);
struct DRWShadingGroup *DRW_shgroup_curves_create_sub(struct Object *object,
struct DRWShadingGroup *shgrp,
struct GPUMaterial *gpu_material);
void DRW_curves_init(struct DRWData *drw_data);
void DRW_curves_ubos_pool_free(struct CurvesUniformBufPool *pool);
void DRW_curves_update(void);
void DRW_curves_free(void);
/* draw_volume.cc */
/**
* Add attributes bindings of volume grids to an existing shading group.
* No draw call is added so the caller can decide how to use the data.
* \return nullptr if there is nothing to draw.
*/
struct DRWShadingGroup *DRW_shgroup_volume_create_sub(struct Scene *scene,
struct Object *ob,
struct DRWShadingGroup *shgrp,
struct GPUMaterial *gpu_material);
void DRW_volume_init(struct DRWData *drw_data);
void DRW_volume_ubos_pool_free(void *pool);
void DRW_volume_free(void);
/* draw_fluid.c */
/* Fluid simulation. */
void DRW_smoke_ensure(struct FluidModifierData *fmd, int highres);
void DRW_smoke_ensure_coba_field(struct FluidModifierData *fmd);
void DRW_smoke_ensure_velocity(struct FluidModifierData *fmd);
void DRW_fluid_ensure_flags(struct FluidModifierData *fmd);
void DRW_fluid_ensure_range_field(struct FluidModifierData *fmd);
void DRW_smoke_free(struct FluidModifierData *fmd);
void DRW_smoke_init(struct DRWData *drw_data);
void DRW_smoke_exit(struct DRWData *drw_data);
/* draw_common.c */
struct DRW_Global {
/** If needed, contains all global/Theme colors
* Add needed theme colors / values to DRW_globals_update() and update UBO
* Not needed for constant color. */
GlobalsUboStorage block;
/** Define "globalsBlock" uniform for 'block'. */
struct GPUUniformBuf *block_ubo;
struct GPUTexture *ramp;
struct GPUTexture *weight_ramp;
struct GPUUniformBuf *view_ubo;
struct GPUUniformBuf *clipping_ubo;
};
extern struct DRW_Global G_draw;
#ifdef __cplusplus
}
#endif
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