diff options
Diffstat (limited to 'source/blender/draw/engines/gpencil/gpencil_shader_fx.c')
| -rw-r--r-- | source/blender/draw/engines/gpencil/gpencil_shader_fx.c | 1415 |
1 files changed, 505 insertions, 910 deletions
diff --git a/source/blender/draw/engines/gpencil/gpencil_shader_fx.c b/source/blender/draw/engines/gpencil/gpencil_shader_fx.c index f6a62e0d472..9467efcd18c 100644 --- a/source/blender/draw/engines/gpencil/gpencil_shader_fx.c +++ b/source/blender/draw/engines/gpencil/gpencil_shader_fx.c @@ -26,28 +26,17 @@ #include "BKE_gpencil.h" +#include "BLI_link_utils.h" +#include "BLI_memblock.h" + #include "DRW_render.h" #include "BKE_camera.h" #include "gpencil_engine.h" -extern char datatoc_gpencil_fx_blur_frag_glsl[]; -extern char datatoc_gpencil_fx_colorize_frag_glsl[]; -extern char datatoc_gpencil_fx_flip_frag_glsl[]; -extern char datatoc_gpencil_fx_light_frag_glsl[]; -extern char datatoc_gpencil_fx_pixel_frag_glsl[]; -extern char datatoc_gpencil_fx_rim_prepare_frag_glsl[]; -extern char datatoc_gpencil_fx_rim_resolve_frag_glsl[]; -extern char datatoc_gpencil_fx_shadow_prepare_frag_glsl[]; -extern char datatoc_gpencil_fx_shadow_resolve_frag_glsl[]; -extern char datatoc_gpencil_fx_glow_prepare_frag_glsl[]; -extern char datatoc_gpencil_fx_glow_resolve_frag_glsl[]; -extern char datatoc_gpencil_fx_swirl_frag_glsl[]; -extern char datatoc_gpencil_fx_wave_frag_glsl[]; - /* verify if this fx is active */ -static bool effect_is_active(bGPdata *gpd, ShaderFxData *fx, bool is_render) +static bool effect_is_active(bGPdata *gpd, ShaderFxData *fx, bool is_viewport) { if (fx == NULL) { return false; @@ -58,1007 +47,613 @@ static bool effect_is_active(bGPdata *gpd, ShaderFxData *fx, bool is_render) } bool is_edit = GPENCIL_ANY_EDIT_MODE(gpd); - if (((fx->mode & eShaderFxMode_Editmode) == 0) && (is_edit) && (!is_render)) { + if (((fx->mode & eShaderFxMode_Editmode) == 0) && (is_edit) && (is_viewport)) { return false; } - if (((fx->mode & eShaderFxMode_Realtime) && (is_render == false)) || - ((fx->mode & eShaderFxMode_Render) && (is_render == true))) { + if (((fx->mode & eShaderFxMode_Realtime) && (is_viewport == true)) || + ((fx->mode & eShaderFxMode_Render) && (is_viewport == false))) { return true; } return false; } -/** - * Get normal of draw using one stroke of visible layer - * \param gpd: GP datablock - * \param r_point: Point on plane - * \param r_normal: Normal vector - */ -static bool get_normal_vector(bGPdata *gpd, float r_point[3], float r_normal[3]) +typedef struct gpIterVfxData { + GPENCIL_PrivateData *pd; + GPENCIL_tObject *tgp_ob; + GPUFrameBuffer **target_fb; + GPUFrameBuffer **source_fb; + GPUTexture **target_color_tx; + GPUTexture **source_color_tx; + GPUTexture **target_reveal_tx; + GPUTexture **source_reveal_tx; +} gpIterVfxData; + +static DRWShadingGroup *gpencil_vfx_pass_create(const char *name, + DRWState state, + gpIterVfxData *iter, + GPUShader *sh) { - for (bGPDlayer *gpl = gpd->layers.first; gpl; gpl = gpl->next) { - if (gpl->flag & GP_LAYER_HIDE) { - continue; - } + DRWPass *pass = DRW_pass_create(name, state); + DRWShadingGroup *grp = DRW_shgroup_create(sh, pass); + DRW_shgroup_uniform_texture_ref(grp, "colorBuf", iter->source_color_tx); + DRW_shgroup_uniform_texture_ref(grp, "revealBuf", iter->source_reveal_tx); - /* get frame */ - bGPDframe *gpf = gpl->actframe; - if (gpf == NULL) { - continue; - } - for (bGPDstroke *gps = gpf->strokes.first; gps; gps = gps->next) { - if (gps->totpoints >= 3) { - bGPDspoint *pt = &gps->points[0]; - BKE_gpencil_stroke_normal(gps, r_normal); - /* in some weird situations, the normal cannot be calculated, so try next stroke */ - if ((r_normal[0] != 0.0f) || (r_normal[1] != 0.0f) || (r_normal[2] != 0.0f)) { - copy_v3_v3(r_point, &pt->x); - return true; - } - } - } - } - - return false; -} - -/* helper to get near and far depth of field values */ -static void GPENCIL_dof_nearfar(Object *camera, float coc, float nearfar[2]) -{ - if (camera == NULL) { - return; - } - Camera *cam = camera->data; + GPENCIL_tVfx *tgp_vfx = BLI_memblock_alloc(iter->pd->gp_vfx_pool); + tgp_vfx->target_fb = iter->target_fb; + tgp_vfx->vfx_ps = pass; - float fstop = cam->dof.aperture_fstop; - float focus_dist = BKE_camera_object_dof_distance(camera); - float focal_len = cam->lens; + SWAP(GPUFrameBuffer **, iter->target_fb, iter->source_fb); + SWAP(GPUTexture **, iter->target_color_tx, iter->source_color_tx); + SWAP(GPUTexture **, iter->target_reveal_tx, iter->source_reveal_tx); - const float scale_camera = 0.001f; - /* we want radius here for the aperture number */ - float aperture_scaled = 0.5f * scale_camera * focal_len / fstop; - float focal_len_scaled = scale_camera * focal_len; + BLI_LINKS_APPEND(&iter->tgp_ob->vfx, tgp_vfx); - float hyperfocal = (focal_len_scaled * focal_len_scaled) / (aperture_scaled * coc); - nearfar[0] = (hyperfocal * focus_dist) / (hyperfocal + focal_len); - nearfar[1] = (hyperfocal * focus_dist) / (hyperfocal - focal_len); + return grp; } -/* **************** Shader Effects ***************************** */ - -/* Gaussian Blur FX - * The effect is done using two shading groups because is faster to apply horizontal - * and vertical in different operations. - */ -static void gpencil_fx_blur(ShaderFxData *fx, - int ob_idx, - GPENCIL_e_data *e_data, - GPENCIL_Data *vedata, - tGPencilObjectCache *cache) +static void gpencil_vfx_blur(BlurShaderFxData *fx, Object *ob, gpIterVfxData *iter) { - if (fx == NULL) { + if (fx->radius[0] == 0.0f && fx->radius[1] == 0.0f) { return; } - BlurShaderFxData *fxd = (BlurShaderFxData *)fx; - - GPENCIL_StorageList *stl = ((GPENCIL_Data *)vedata)->stl; - GPENCIL_PassList *psl = ((GPENCIL_Data *)vedata)->psl; - const DRWContextState *draw_ctx = DRW_context_state_get(); - View3D *v3d = draw_ctx->v3d; - RegionView3D *rv3d = draw_ctx->rv3d; - DRWShadingGroup *fx_shgrp; - bGPdata *gpd = cache->gpd; - copy_v3_v3(fxd->runtime.loc, cache->loc); - - fxd->blur[0] = fxd->radius[0]; - fxd->blur[1] = fxd->radius[1]; - - /* init weight */ - if (fxd->flag & FX_BLUR_DOF_MODE) { - /* viewport and opengl render */ - Object *camera = NULL; - if (rv3d) { - if (rv3d->persp == RV3D_CAMOB) { - camera = v3d->camera; - } - } - else { - camera = stl->storage->camera; - } - - if (camera) { - float nearfar[2]; - GPENCIL_dof_nearfar(camera, fxd->coc, nearfar); - float zdepth = stl->g_data->gp_object_cache[ob_idx].zdepth; - /* the object is on focus area */ - if ((zdepth >= nearfar[0]) && (zdepth <= nearfar[1])) { - fxd->blur[0] = 0; - fxd->blur[1] = 0; - } - else { - float f; - if (zdepth < nearfar[0]) { - f = nearfar[0] - zdepth; - } - else { - f = zdepth - nearfar[1]; - } - fxd->blur[0] = f; - fxd->blur[1] = f; - CLAMP2(&fxd->blur[0], 0, fxd->radius[0]); - } - } - else { - /* if not camera view, the blur is disabled */ - fxd->blur[0] = 0; - fxd->blur[1] = 0; - } - } - - GPUBatch *fxquad = DRW_cache_fullscreen_quad_get(); + DRWShadingGroup *grp; + const float s = sin(fx->rotation); + const float c = cos(fx->rotation); - fx_shgrp = DRW_shgroup_create(e_data->gpencil_fx_blur_sh, psl->fx_shader_pass_blend); - DRW_shgroup_call(fx_shgrp, fxquad, NULL); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &stl->g_data->temp_color_tx_a); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &stl->g_data->temp_depth_tx_a); - DRW_shgroup_uniform_vec2(fx_shgrp, "Viewport", DRW_viewport_size_get(), 1); - DRW_shgroup_uniform_int(fx_shgrp, "blur", &fxd->blur[0], 2); - - DRW_shgroup_uniform_vec3(fx_shgrp, "loc", fxd->runtime.loc, 1); - DRW_shgroup_uniform_float(fx_shgrp, "pixsize", stl->storage->pixsize, 1); - DRW_shgroup_uniform_float(fx_shgrp, "pixfactor", &gpd->pixfactor, 1); - - fxd->runtime.fx_sh = fx_shgrp; -} + float winmat[4][4], persmat[4][4]; + float blur_size[2] = {fx->radius[0], fx->radius[1]}; + DRW_view_persmat_get(NULL, persmat, false); + const float w = fabsf(mul_project_m4_v3_zfac(persmat, ob->obmat[3])); -/* Colorize FX */ -static void gpencil_fx_colorize(ShaderFxData *fx, GPENCIL_e_data *e_data, GPENCIL_Data *vedata) -{ - if (fx == NULL) { - return; + if ((fx->flag & FX_BLUR_DOF_MODE) && iter->pd->camera != NULL) { + /* Compute circle of confusion size. */ + float coc = (iter->pd->dof_params[0] / -w) - iter->pd->dof_params[1]; + copy_v2_fl(blur_size, fabsf(coc)); + } + else { + /* Modify by distance to camera and object scale. */ + DRW_view_winmat_get(NULL, winmat, false); + const float *vp_size = DRW_viewport_size_get(); + float world_pixel_scale = 1.0f / GPENCIL_PIXEL_FACTOR; + float scale = mat4_to_scale(ob->obmat); + float distance_factor = world_pixel_scale * scale * winmat[1][1] * vp_size[1] / w; + mul_v2_fl(blur_size, distance_factor); + } + + GPUShader *sh = GPENCIL_shader_fx_blur_get(); + + DRWState state = DRW_STATE_WRITE_COLOR; + if (blur_size[0] > 0.0f) { + grp = gpencil_vfx_pass_create("Fx Blur H", state, iter, sh); + DRW_shgroup_uniform_vec2_copy(grp, "offset", (float[2]){blur_size[0] * c, blur_size[0] * s}); + DRW_shgroup_uniform_int_copy(grp, "sampCount", max_ii(1, min_ii(fx->samples, blur_size[0]))); + DRW_shgroup_call_procedural_triangles(grp, NULL, 1); + } + if (blur_size[1] > 0.0f) { + grp = gpencil_vfx_pass_create("Fx Blur V", state, iter, sh); + DRW_shgroup_uniform_vec2_copy(grp, "offset", (float[2]){-blur_size[1] * s, blur_size[1] * c}); + DRW_shgroup_uniform_int_copy(grp, "sampCount", max_ii(1, min_ii(fx->samples, blur_size[1]))); + DRW_shgroup_call_procedural_triangles(grp, NULL, 1); } - GPENCIL_StorageList *stl = ((GPENCIL_Data *)vedata)->stl; - ColorizeShaderFxData *fxd = (ColorizeShaderFxData *)fx; - GPENCIL_PassList *psl = ((GPENCIL_Data *)vedata)->psl; - DRWShadingGroup *fx_shgrp; - - GPUBatch *fxquad = DRW_cache_fullscreen_quad_get(); - fx_shgrp = DRW_shgroup_create(e_data->gpencil_fx_colorize_sh, psl->fx_shader_pass); - DRW_shgroup_call(fx_shgrp, fxquad, NULL); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &stl->g_data->temp_color_tx_a); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &stl->g_data->temp_depth_tx_a); - DRW_shgroup_uniform_vec4(fx_shgrp, "low_color", &fxd->low_color[0], 1); - DRW_shgroup_uniform_vec4(fx_shgrp, "high_color", &fxd->high_color[0], 1); - DRW_shgroup_uniform_int(fx_shgrp, "mode", &fxd->mode, 1); - DRW_shgroup_uniform_float(fx_shgrp, "factor", &fxd->factor, 1); - - fxd->runtime.fx_sh = fx_shgrp; } -/* Flip FX */ -static void gpencil_fx_flip(ShaderFxData *fx, GPENCIL_e_data *e_data, GPENCIL_Data *vedata) +static void gpencil_vfx_colorize(ColorizeShaderFxData *fx, Object *UNUSED(ob), gpIterVfxData *iter) { - if (fx == NULL) { - return; - } - GPENCIL_StorageList *stl = ((GPENCIL_Data *)vedata)->stl; - FlipShaderFxData *fxd = (FlipShaderFxData *)fx; - GPENCIL_PassList *psl = ((GPENCIL_Data *)vedata)->psl; - DRWShadingGroup *fx_shgrp; - - fxd->flipmode = 100; - /* the number works as bit flag */ - if (fxd->flag & FX_FLIP_HORIZONTAL) { - fxd->flipmode += 10; - } - if (fxd->flag & FX_FLIP_VERTICAL) { - fxd->flipmode += 1; - } + DRWShadingGroup *grp; - GPUBatch *fxquad = DRW_cache_fullscreen_quad_get(); - fx_shgrp = DRW_shgroup_create(e_data->gpencil_fx_flip_sh, psl->fx_shader_pass); - DRW_shgroup_call(fx_shgrp, fxquad, NULL); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &stl->g_data->temp_color_tx_a); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &stl->g_data->temp_depth_tx_a); - DRW_shgroup_uniform_int(fx_shgrp, "flipmode", &fxd->flipmode, 1); + GPUShader *sh = GPENCIL_shader_fx_colorize_get(); - DRW_shgroup_uniform_vec2(fx_shgrp, "wsize", DRW_viewport_size_get(), 1); - - fxd->runtime.fx_sh = fx_shgrp; + DRWState state = DRW_STATE_WRITE_COLOR; + grp = gpencil_vfx_pass_create("Fx Colorize", state, iter, sh); + DRW_shgroup_uniform_vec3_copy(grp, "lowColor", fx->low_color); + DRW_shgroup_uniform_vec3_copy(grp, "highColor", fx->high_color); + DRW_shgroup_uniform_float_copy(grp, "factor", fx->factor); + DRW_shgroup_uniform_int_copy(grp, "mode", fx->mode); + DRW_shgroup_call_procedural_triangles(grp, NULL, 1); } -/* Light FX */ -static void gpencil_fx_light(ShaderFxData *fx, - GPENCIL_e_data *e_data, - GPENCIL_Data *vedata, - tGPencilObjectCache *cache) +static void gpencil_vfx_flip(FlipShaderFxData *fx, Object *UNUSED(ob), gpIterVfxData *iter) { - if (fx == NULL) { - return; - } - LightShaderFxData *fxd = (LightShaderFxData *)fx; - - if (fxd->object == NULL) { - return; - } - GPENCIL_StorageList *stl = ((GPENCIL_Data *)vedata)->stl; - GPENCIL_PassList *psl = ((GPENCIL_Data *)vedata)->psl; - DRWShadingGroup *fx_shgrp; - - GPUBatch *fxquad = DRW_cache_fullscreen_quad_get(); - fx_shgrp = DRW_shgroup_create(e_data->gpencil_fx_light_sh, psl->fx_shader_pass); - DRW_shgroup_call(fx_shgrp, fxquad, NULL); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &stl->g_data->temp_color_tx_a); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &stl->g_data->temp_depth_tx_a); - - DRW_shgroup_uniform_vec2(fx_shgrp, "Viewport", DRW_viewport_size_get(), 1); - - /* location of the light using obj location as origin */ - copy_v3_v3(fxd->loc, fxd->object->obmat[3]); - - /* Calc distance to strokes plane - * The w component of location is used to transfer the distance to drawing plane - */ - float r_point[3], r_normal[3]; - float r_plane[4]; - bGPdata *gpd = cache->gpd; - if (!get_normal_vector(gpd, r_point, r_normal)) { - return; - } - mul_mat3_m4_v3(cache->obmat, r_normal); /* only rotation component */ - plane_from_point_normal_v3(r_plane, r_point, r_normal); - float dt = dist_to_plane_v3(fxd->object->obmat[3], r_plane); - fxd->loc[3] = dt; /* use last element to save it */ + DRWShadingGroup *grp; - DRW_shgroup_uniform_vec4(fx_shgrp, "loc", &fxd->loc[0], 1); + float axis_flip[2]; + axis_flip[0] = (fx->flag & FX_FLIP_HORIZONTAL) ? -1.0f : 1.0f; + axis_flip[1] = (fx->flag & FX_FLIP_VERTICAL) ? -1.0f : 1.0f; - DRW_shgroup_uniform_float(fx_shgrp, "energy", &fxd->energy, 1); - DRW_shgroup_uniform_float(fx_shgrp, "ambient", &fxd->ambient, 1); + GPUShader *sh = GPENCIL_shader_fx_transform_get(); - DRW_shgroup_uniform_float(fx_shgrp, "pixsize", stl->storage->pixsize, 1); - DRW_shgroup_uniform_float(fx_shgrp, "pixfactor", &gpd->pixfactor, 1); - - fxd->runtime.fx_sh = fx_shgrp; + DRWState state = DRW_STATE_WRITE_COLOR; + grp = gpencil_vfx_pass_create("Fx Flip", state, iter, sh); + DRW_shgroup_uniform_vec2_copy(grp, "axisFlip", axis_flip); + DRW_shgroup_uniform_vec2_copy(grp, "waveOffset", (float[2]){0.0f, 0.0f}); + DRW_shgroup_uniform_float_copy(grp, "swirlRadius", 0.0f); + DRW_shgroup_call_procedural_triangles(grp, NULL, 1); } -/* Pixelate FX */ -static void gpencil_fx_pixel(ShaderFxData *fx, - GPENCIL_e_data *e_data, - GPENCIL_Data *vedata, - tGPencilObjectCache *cache) +static void gpencil_vfx_rim(RimShaderFxData *fx, Object *ob, gpIterVfxData *iter) { - if (fx == NULL) { - return; + DRWShadingGroup *grp; + + float winmat[4][4], persmat[4][4]; + float offset[2] = {fx->offset[0], fx->offset[1]}; + float blur_size[2] = {fx->blur[0], fx->blur[1]}; + DRW_view_winmat_get(NULL, winmat, false); + DRW_view_persmat_get(NULL, persmat, false); + const float *vp_size = DRW_viewport_size_get(); + const float *vp_size_inv = DRW_viewport_invert_size_get(); + + const float w = fabsf(mul_project_m4_v3_zfac(persmat, ob->obmat[3])); + + /* Modify by distance to camera and object scale. */ + float world_pixel_scale = 1.0f / GPENCIL_PIXEL_FACTOR; + float scale = mat4_to_scale(ob->obmat); + float distance_factor = (world_pixel_scale * scale * winmat[1][1] * vp_size[1]) / w; + mul_v2_fl(offset, distance_factor); + mul_v2_v2(offset, vp_size_inv); + mul_v2_fl(blur_size, distance_factor); + + GPUShader *sh = GPENCIL_shader_fx_rim_get(); + + DRWState state = DRW_STATE_WRITE_COLOR; + grp = gpencil_vfx_pass_create("Fx Rim H", state, iter, sh); + DRW_shgroup_uniform_vec2_copy(grp, "blurDir", (float[2]){blur_size[0] * vp_size_inv[0], 0.0f}); + DRW_shgroup_uniform_vec2_copy(grp, "uvOffset", offset); + DRW_shgroup_uniform_int_copy(grp, "sampCount", max_ii(1, min_ii(fx->samples, blur_size[0]))); + DRW_shgroup_uniform_vec3_copy(grp, "maskColor", fx->mask_rgb); + DRW_shgroup_uniform_bool_copy(grp, "isFirstPass", true); + DRW_shgroup_call_procedural_triangles(grp, NULL, 1); + + switch (fx->mode) { + case eShaderFxRimMode_Normal: + state |= DRW_STATE_BLEND_ALPHA_PREMUL; + break; + case eShaderFxRimMode_Add: + state |= DRW_STATE_BLEND_ADD_FULL; + break; + case eShaderFxRimMode_Subtract: + state |= DRW_STATE_BLEND_SUB; + break; + case eShaderFxRimMode_Multiply: + case eShaderFxRimMode_Divide: + case eShaderFxRimMode_Overlay: + state |= DRW_STATE_BLEND_MUL; + break; + } + + zero_v2(offset); + + grp = gpencil_vfx_pass_create("Fx Rim V", state, iter, sh); + DRW_shgroup_uniform_vec2_copy(grp, "blurDir", (float[2]){0.0f, blur_size[1] * vp_size_inv[1]}); + DRW_shgroup_uniform_vec2_copy(grp, "uvOffset", offset); + DRW_shgroup_uniform_vec3_copy(grp, "rimColor", fx->rim_rgb); + DRW_shgroup_uniform_int_copy(grp, "sampCount", max_ii(1, min_ii(fx->samples, blur_size[1]))); + DRW_shgroup_uniform_int_copy(grp, "blendMode", fx->mode); + DRW_shgroup_uniform_bool_copy(grp, "isFirstPass", false); + DRW_shgroup_call_procedural_triangles(grp, NULL, 1); + + if (fx->mode == eShaderFxRimMode_Overlay) { + /* We cannot do custom blending on MultiTarget framebuffers. + * Workaround by doing 2 passes. */ + grp = DRW_shgroup_create_sub(grp); + DRW_shgroup_state_disable(grp, DRW_STATE_BLEND_MUL); + DRW_shgroup_state_enable(grp, DRW_STATE_BLEND_ADD_FULL); + DRW_shgroup_uniform_int_copy(grp, "blendMode", 999); + DRW_shgroup_call_procedural_triangles(grp, NULL, 1); } - PixelShaderFxData *fxd = (PixelShaderFxData *)fx; - - GPENCIL_StorageList *stl = ((GPENCIL_Data *)vedata)->stl; - GPENCIL_PassList *psl = ((GPENCIL_Data *)vedata)->psl; - DRWShadingGroup *fx_shgrp; - bGPdata *gpd = cache->gpd; - copy_v3_v3(fxd->runtime.loc, cache->loc); - - fxd->size[2] = (int)fxd->flag & FX_PIXEL_USE_LINES; - - GPUBatch *fxquad = DRW_cache_fullscreen_quad_get(); - fx_shgrp = DRW_shgroup_create(e_data->gpencil_fx_pixel_sh, psl->fx_shader_pass); - DRW_shgroup_call(fx_shgrp, fxquad, NULL); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &stl->g_data->temp_color_tx_a); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &stl->g_data->temp_depth_tx_a); - DRW_shgroup_uniform_int(fx_shgrp, "size", &fxd->size[0], 3); - DRW_shgroup_uniform_vec4(fx_shgrp, "color", &fxd->rgba[0], 1); - - DRW_shgroup_uniform_vec3(fx_shgrp, "loc", fxd->runtime.loc, 1); - DRW_shgroup_uniform_float(fx_shgrp, "pixsize", stl->storage->pixsize, 1); - DRW_shgroup_uniform_float(fx_shgrp, "pixfactor", &gpd->pixfactor, 1); - - fxd->runtime.fx_sh = fx_shgrp; } -/* Rim FX */ -static void gpencil_fx_rim(ShaderFxData *fx, - GPENCIL_e_data *e_data, - GPENCIL_Data *vedata, - tGPencilObjectCache *cache) +static void gpencil_vfx_pixelize(PixelShaderFxData *fx, Object *ob, gpIterVfxData *iter) { - if (fx == NULL) { - return; + DRWShadingGroup *grp; + + float persmat[4][4], winmat[4][4], ob_center[3], pixsize_uniform[2]; + DRW_view_winmat_get(NULL, winmat, false); + DRW_view_persmat_get(NULL, persmat, false); + const float *vp_size = DRW_viewport_size_get(); + const float *vp_size_inv = DRW_viewport_invert_size_get(); + float pixel_size[2] = {fx->size[0], fx->size[1]}; + mul_v2_v2(pixel_size, vp_size_inv); + + /* Fixed pixelisation center from object center. */ + const float w = fabsf(mul_project_m4_v3_zfac(persmat, ob->obmat[3])); + mul_v3_m4v3(ob_center, persmat, ob->obmat[3]); + mul_v3_fl(ob_center, 1.0f / w); + + /* Convert to uvs. */ + mul_v2_fl(ob_center, 0.5f); + add_v2_fl(ob_center, 0.5f); + + /* Modify by distance to camera and object scale. */ + float world_pixel_scale = 1.0f / GPENCIL_PIXEL_FACTOR; + float scale = mat4_to_scale(ob->obmat); + mul_v2_fl(pixel_size, (world_pixel_scale * scale * winmat[1][1] * vp_size[1]) / w); + + /* Center to texel */ + madd_v2_v2fl(ob_center, pixel_size, -0.5f); + + GPUShader *sh = GPENCIL_shader_fx_pixelize_get(); + + DRWState state = DRW_STATE_WRITE_COLOR; + + /* Only if pixelated effect is bigger than 1px. */ + if (pixel_size[0] > vp_size_inv[0]) { + copy_v2_fl2(pixsize_uniform, pixel_size[0], vp_size_inv[1]); + grp = gpencil_vfx_pass_create("Fx Pixelize X", state, iter, sh); + DRW_shgroup_uniform_vec2_copy(grp, "targetPixelSize", pixsize_uniform); + DRW_shgroup_uniform_vec2_copy(grp, "targetPixelOffset", ob_center); + DRW_shgroup_uniform_vec2_copy(grp, "accumOffset", (float[2]){pixel_size[0], 0.0f}); + DRW_shgroup_uniform_int_copy(grp, "sampCount", (pixel_size[0] / vp_size_inv[0] > 3.0) ? 2 : 1); + DRW_shgroup_call_procedural_triangles(grp, NULL, 1); + } + + if (pixel_size[1] > vp_size_inv[1]) { + copy_v2_fl2(pixsize_uniform, vp_size_inv[0], pixel_size[1]); + grp = gpencil_vfx_pass_create("Fx Pixelize Y", state, iter, sh); + DRW_shgroup_uniform_vec2_copy(grp, "targetPixelSize", pixsize_uniform); + DRW_shgroup_uniform_vec2_copy(grp, "accumOffset", (float[2]){0.0f, pixel_size[1]}); + DRW_shgroup_uniform_int_copy(grp, "sampCount", (pixel_size[1] / vp_size_inv[1] > 3.0) ? 2 : 1); + DRW_shgroup_call_procedural_triangles(grp, NULL, 1); } - RimShaderFxData *fxd = (RimShaderFxData *)fx; - bGPdata *gpd = cache->gpd; - - GPENCIL_StorageList *stl = ((GPENCIL_Data *)vedata)->stl; - GPENCIL_PassList *psl = ((GPENCIL_Data *)vedata)->psl; - DRWShadingGroup *fx_shgrp; - - GPUBatch *fxquad = DRW_cache_fullscreen_quad_get(); - copy_v3_v3(fxd->runtime.loc, cache->loc); - - /* prepare pass */ - fx_shgrp = DRW_shgroup_create(e_data->gpencil_fx_rim_prepare_sh, psl->fx_shader_pass_blend); - DRW_shgroup_call(fx_shgrp, fxquad, NULL); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &stl->g_data->temp_color_tx_a); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &stl->g_data->temp_depth_tx_a); - DRW_shgroup_uniform_vec2(fx_shgrp, "Viewport", DRW_viewport_size_get(), 1); - - DRW_shgroup_uniform_int(fx_shgrp, "offset", &fxd->offset[0], 2); - DRW_shgroup_uniform_vec3(fx_shgrp, "rim_color", &fxd->rim_rgb[0], 1); - DRW_shgroup_uniform_vec3(fx_shgrp, "mask_color", &fxd->mask_rgb[0], 1); - - DRW_shgroup_uniform_vec3(fx_shgrp, "loc", fxd->runtime.loc, 1); - DRW_shgroup_uniform_float(fx_shgrp, "pixsize", stl->storage->pixsize, 1); - DRW_shgroup_uniform_float(fx_shgrp, "pixfactor", &gpd->pixfactor, 1); - - fxd->runtime.fx_sh = fx_shgrp; - - /* blur pass */ - fx_shgrp = DRW_shgroup_create(e_data->gpencil_fx_blur_sh, psl->fx_shader_pass_blend); - DRW_shgroup_call(fx_shgrp, fxquad, NULL); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &stl->g_data->temp_color_tx_fx); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &stl->g_data->temp_depth_tx_fx); - DRW_shgroup_uniform_vec2(fx_shgrp, "Viewport", DRW_viewport_size_get(), 1); - DRW_shgroup_uniform_int(fx_shgrp, "blur", &fxd->blur[0], 2); - - DRW_shgroup_uniform_vec3(fx_shgrp, "loc", fxd->runtime.loc, 1); - DRW_shgroup_uniform_float(fx_shgrp, "pixsize", stl->storage->pixsize, 1); - DRW_shgroup_uniform_float(fx_shgrp, "pixfactor", &gpd->pixfactor, 1); - - fxd->runtime.fx_sh_b = fx_shgrp; - - /* resolve pass */ - fx_shgrp = DRW_shgroup_create(e_data->gpencil_fx_rim_resolve_sh, psl->fx_shader_pass_blend); - DRW_shgroup_call(fx_shgrp, fxquad, NULL); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &stl->g_data->temp_color_tx_a); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &stl->g_data->temp_depth_tx_a); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeRim", &stl->g_data->temp_color_tx_fx); - DRW_shgroup_uniform_vec3(fx_shgrp, "mask_color", &fxd->mask_rgb[0], 1); - DRW_shgroup_uniform_int(fx_shgrp, "mode", &fxd->mode, 1); - - fxd->runtime.fx_sh_c = fx_shgrp; } -/* Shadow FX */ -static void gpencil_fx_shadow(ShaderFxData *fx, - GPENCIL_e_data *e_data, - GPENCIL_Data *vedata, - tGPencilObjectCache *cache) +static void gpencil_vfx_shadow(ShadowShaderFxData *fx, Object *ob, gpIterVfxData *iter) { - if (fx == NULL) { - return; - } - ShadowShaderFxData *fxd = (ShadowShaderFxData *)fx; - if ((!fxd->object) && (fxd->flag & FX_SHADOW_USE_OBJECT)) { - fxd->runtime.fx_sh = NULL; - fxd->runtime.fx_sh_b = NULL; - fxd->runtime.fx_sh_c = NULL; - return; - } - - GPENCIL_StorageList *stl = ((GPENCIL_Data *)vedata)->stl; - GPENCIL_PassList *psl = ((GPENCIL_Data *)vedata)->psl; - DRWShadingGroup *fx_shgrp; - bGPdata *gpd = cache->gpd; - copy_v3_v3(fxd->runtime.loc, cache->loc); - - GPUBatch *fxquad = DRW_cache_fullscreen_quad_get(); - /* prepare pass */ - fx_shgrp = DRW_shgroup_create(e_data->gpencil_fx_shadow_prepare_sh, psl->fx_shader_pass_blend); - DRW_shgroup_call(fx_shgrp, fxquad, NULL); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &stl->g_data->temp_color_tx_a); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &stl->g_data->temp_depth_tx_a); - DRW_shgroup_uniform_vec2(fx_shgrp, "Viewport", DRW_viewport_size_get(), 1); - - DRW_shgroup_uniform_int(fx_shgrp, "offset", &fxd->offset[0], 2); - DRW_shgroup_uniform_float(fx_shgrp, "scale", &fxd->scale[0], 2); - DRW_shgroup_uniform_float(fx_shgrp, "rotation", &fxd->rotation, 1); - DRW_shgroup_uniform_vec4(fx_shgrp, "shadow_color", &fxd->shadow_rgba[0], 1); - - if ((fxd->object) && (fxd->flag & FX_SHADOW_USE_OBJECT)) { - DRW_shgroup_uniform_vec3(fx_shgrp, "loc", fxd->object->obmat[3], 1); - } - else { - DRW_shgroup_uniform_vec3(fx_shgrp, "loc", fxd->runtime.loc, 1); - } - - if (fxd->flag & FX_SHADOW_USE_WAVE) { - DRW_shgroup_uniform_int(fx_shgrp, "orientation", &fxd->orientation, 1); + DRWShadingGroup *grp; + + const bool use_obj_pivot = (fx->flag & FX_SHADOW_USE_OBJECT) != 0; + const bool use_wave = (fx->flag & FX_SHADOW_USE_WAVE) != 0; + + float uv_mat[4][4], winmat[4][4], persmat[4][4], rot_center[3]; + float wave_ofs[3], wave_dir[3], wave_phase, blur_dir[2], tmp[2]; + float offset[2] = {fx->offset[0], fx->offset[1]}; + float blur_size[2] = {fx->blur[0], fx->blur[1]}; + DRW_view_winmat_get(NULL, winmat, false); + DRW_view_persmat_get(NULL, persmat, false); + const float *vp_size = DRW_viewport_size_get(); + const float *vp_size_inv = DRW_viewport_invert_size_get(); + const float ratio = vp_size_inv[1] / vp_size_inv[0]; + + copy_v3_v3(rot_center, (use_obj_pivot && fx->object) ? fx->object->obmat[3] : ob->obmat[3]); + + const float w = fabsf(mul_project_m4_v3_zfac(persmat, rot_center)); + mul_v3_m4v3(rot_center, persmat, rot_center); + mul_v3_fl(rot_center, 1.0f / w); + + /* Modify by distance to camera and object scale. */ + float world_pixel_scale = 1.0f / GPENCIL_PIXEL_FACTOR; + float scale = mat4_to_scale(ob->obmat); + float distance_factor = (world_pixel_scale * scale * winmat[1][1] * vp_size[1]) / w; + mul_v2_fl(offset, distance_factor); + mul_v2_v2(offset, vp_size_inv); + mul_v2_fl(blur_size, distance_factor); + + rot_center[0] = rot_center[0] * 0.5f + 0.5f; + rot_center[1] = rot_center[1] * 0.5f + 0.5f; + + /* UV transform matrix. (loc, rot, scale) Sent to shader as 2x3 matrix. */ + unit_m4(uv_mat); + translate_m4(uv_mat, rot_center[0], rot_center[1], 0.0f); + rescale_m4(uv_mat, (float[3]){1.0f / fx->scale[0], 1.0f / fx->scale[1], 1.0f}); + translate_m4(uv_mat, -offset[0], -offset[1], 0.0f); + rescale_m4(uv_mat, (float[3]){1.0f / ratio, 1.0f, 1.0f}); + rotate_m4(uv_mat, 'Z', fx->rotation); + rescale_m4(uv_mat, (float[3]){ratio, 1.0f, 1.0f}); + translate_m4(uv_mat, -rot_center[0], -rot_center[1], 0.0f); + + if (use_wave) { + float dir[2]; + if (fx->orientation == 0) { + /* Horizontal */ + copy_v2_fl2(dir, 1.0f, 0.0f); + } + else { + /* Vertical */ + copy_v2_fl2(dir, 0.0f, 1.0f); + } + /* This is applied after rotation. Counter the rotation to keep aligned with global axis. */ + rotate_v2_v2fl(wave_dir, dir, fx->rotation); + /* Rotate 90°. */ + copy_v2_v2(wave_ofs, wave_dir); + SWAP(float, wave_ofs[0], wave_ofs[1]); + wave_ofs[1] *= -1.0f; + /* Keep world space scalling and aspect ratio. */ + mul_v2_fl(wave_dir, 1.0f / (max_ff(1e-8f, fx->period) * distance_factor)); + mul_v2_v2(wave_dir, vp_size); + mul_v2_fl(wave_ofs, fx->amplitude * distance_factor); + mul_v2_v2(wave_ofs, vp_size_inv); + /* Phase start at shadow center. */ + wave_phase = fx->phase - dot_v2v2(rot_center, wave_dir); } else { - DRW_shgroup_uniform_int_copy(fx_shgrp, "orientation", -1); - } - DRW_shgroup_uniform_float(fx_shgrp, "amplitude", &fxd->amplitude, 1); - DRW_shgroup_uniform_float(fx_shgrp, "period", &fxd->period, 1); - DRW_shgroup_uniform_float(fx_shgrp, "phase", &fxd->phase, 1); - - DRW_shgroup_uniform_float(fx_shgrp, "pixsize", stl->storage->pixsize, 1); - DRW_shgroup_uniform_float(fx_shgrp, "pixfactor", &gpd->pixfactor, 1); - - fxd->runtime.fx_sh = fx_shgrp; - - /* blur pass */ - fx_shgrp = DRW_shgroup_create(e_data->gpencil_fx_blur_sh, psl->fx_shader_pass_blend); - DRW_shgroup_call(fx_shgrp, fxquad, NULL); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &stl->g_data->temp_color_tx_fx); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &stl->g_data->temp_depth_tx_fx); - DRW_shgroup_uniform_vec2(fx_shgrp, "Viewport", DRW_viewport_size_get(), 1); - DRW_shgroup_uniform_int(fx_shgrp, "blur", &fxd->blur[0], 2); - - DRW_shgroup_uniform_vec3(fx_shgrp, "loc", fxd->runtime.loc, 1); - DRW_shgroup_uniform_float(fx_shgrp, "pixsize", stl->storage->pixsize, 1); - DRW_shgroup_uniform_float(fx_shgrp, "pixfactor", &gpd->pixfactor, 1); - - fxd->runtime.fx_sh_b = fx_shgrp; - - /* resolve pass */ - fx_shgrp = DRW_shgroup_create(e_data->gpencil_fx_shadow_resolve_sh, psl->fx_shader_pass_blend); - DRW_shgroup_call(fx_shgrp, fxquad, NULL); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &stl->g_data->temp_color_tx_a); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &stl->g_data->temp_depth_tx_a); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "shadowColor", &stl->g_data->temp_color_tx_fx); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "shadowDepth", &stl->g_data->temp_depth_tx_fx); - - fxd->runtime.fx_sh_c = fx_shgrp; + zero_v2(wave_dir); + zero_v2(wave_ofs); + wave_phase = 0.0f; + } + + GPUShader *sh = GPENCIL_shader_fx_shadow_get(); + + copy_v2_fl2(blur_dir, blur_size[0] * vp_size_inv[0], 0.0f); + + DRWState state = DRW_STATE_WRITE_COLOR; + grp = gpencil_vfx_pass_create("Fx Shadow H", state, iter, sh); + DRW_shgroup_uniform_vec2_copy(grp, "blurDir", blur_dir); + DRW_shgroup_uniform_vec2_copy(grp, "waveDir", wave_dir); + DRW_shgroup_uniform_vec2_copy(grp, "waveOffset", wave_ofs); + DRW_shgroup_uniform_float_copy(grp, "wavePhase", wave_phase); + DRW_shgroup_uniform_vec2_copy(grp, "uvRotX", uv_mat[0]); + DRW_shgroup_uniform_vec2_copy(grp, "uvRotY", uv_mat[1]); + DRW_shgroup_uniform_vec2_copy(grp, "uvOffset", uv_mat[3]); + DRW_shgroup_uniform_int_copy(grp, "sampCount", max_ii(1, min_ii(fx->samples, blur_size[0]))); + DRW_shgroup_uniform_bool_copy(grp, "isFirstPass", true); + DRW_shgroup_call_procedural_triangles(grp, NULL, 1); + + unit_m4(uv_mat); + zero_v2(wave_ofs); + + /* We reseted the uv_mat so we need to accound for the rotation in the */ + copy_v2_fl2(tmp, 0.0f, blur_size[1]); + rotate_v2_v2fl(blur_dir, tmp, -fx->rotation); + mul_v2_v2(blur_dir, vp_size_inv); + + state = DRW_STATE_WRITE_COLOR | DRW_STATE_BLEND_ALPHA_PREMUL; + grp = gpencil_vfx_pass_create("Fx Shadow V", state, iter, sh); + DRW_shgroup_uniform_vec4_copy(grp, "shadowColor", fx->shadow_rgba); + DRW_shgroup_uniform_vec2_copy(grp, "blurDir", blur_dir); + DRW_shgroup_uniform_vec2_copy(grp, "waveOffset", wave_ofs); + DRW_shgroup_uniform_vec2_copy(grp, "uvRotX", uv_mat[0]); + DRW_shgroup_uniform_vec2_copy(grp, "uvRotY", uv_mat[1]); + DRW_shgroup_uniform_vec2_copy(grp, "uvOffset", uv_mat[3]); + DRW_shgroup_uniform_int_copy(grp, "sampCount", max_ii(1, min_ii(fx->samples, blur_size[1]))); + DRW_shgroup_uniform_bool_copy(grp, "isFirstPass", false); + DRW_shgroup_call_procedural_triangles(grp, NULL, 1); } -/* Glow FX */ -static void gpencil_fx_glow(ShaderFxData *fx, - GPENCIL_e_data *e_data, - GPENCIL_Data *vedata, - tGPencilObjectCache *cache) +static void gpencil_vfx_glow(GlowShaderFxData *fx, Object *UNUSED(ob), gpIterVfxData *iter) { - if (fx == NULL) { - return; - } - GlowShaderFxData *fxd = (GlowShaderFxData *)fx; - bGPdata *gpd = cache->gpd; - copy_v3_v3(fxd->runtime.loc, cache->loc); - - GPENCIL_StorageList *stl = ((GPENCIL_Data *)vedata)->stl; - GPENCIL_PassList *psl = ((GPENCIL_Data *)vedata)->psl; - DRWShadingGroup *fx_shgrp; - - GPUBatch *fxquad = DRW_cache_fullscreen_quad_get(); - /* prepare pass */ - fx_shgrp = DRW_shgroup_create(e_data->gpencil_fx_glow_prepare_sh, psl->fx_shader_pass_blend); - DRW_shgroup_call(fx_shgrp, fxquad, NULL); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &stl->g_data->temp_color_tx_a); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &stl->g_data->temp_depth_tx_a); - - DRW_shgroup_uniform_vec3(fx_shgrp, "glow_color", &fxd->glow_color[0], 1); - DRW_shgroup_uniform_vec3(fx_shgrp, "select_color", &fxd->select_color[0], 1); - DRW_shgroup_uniform_int(fx_shgrp, "mode", &fxd->mode, 1); - DRW_shgroup_uniform_float(fx_shgrp, "threshold", &fxd->threshold, 1); - - fxd->runtime.fx_sh = fx_shgrp; - - /* blur pass */ - fx_shgrp = DRW_shgroup_create(e_data->gpencil_fx_blur_sh, psl->fx_shader_pass_blend); - DRW_shgroup_call(fx_shgrp, fxquad, NULL); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &stl->g_data->temp_color_tx_fx); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &stl->g_data->temp_depth_tx_fx); - DRW_shgroup_uniform_vec2(fx_shgrp, "Viewport", DRW_viewport_size_get(), 1); - DRW_shgroup_uniform_int(fx_shgrp, "blur", &fxd->blur[0], 2); - - DRW_shgroup_uniform_vec3(fx_shgrp, "loc", fxd->runtime.loc, 1); - DRW_shgroup_uniform_float(fx_shgrp, "pixsize", stl->storage->pixsize, 1); - DRW_shgroup_uniform_float(fx_shgrp, "pixfactor", &gpd->pixfactor, 1); - - fxd->runtime.fx_sh_b = fx_shgrp; - - /* resolve pass */ - fx_shgrp = DRW_shgroup_create(e_data->gpencil_fx_glow_resolve_sh, psl->fx_shader_pass_blend); - DRW_shgroup_call(fx_shgrp, fxquad, NULL); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &stl->g_data->temp_color_tx_a); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &stl->g_data->temp_depth_tx_a); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "glowColor", &stl->g_data->temp_color_tx_fx); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "glowDepth", &stl->g_data->temp_depth_tx_fx); - - /* reuse field */ - DRW_shgroup_uniform_int(fx_shgrp, "alpha_mode", &fxd->blur[1], 1); - - fxd->runtime.fx_sh_c = fx_shgrp; -} + const bool use_glow_under = (fx->flag & FX_GLOW_USE_ALPHA) != 0; + DRWShadingGroup *grp; + const float s = sin(fx->rotation); + const float c = cos(fx->rotation); -/* Swirl FX */ -static void gpencil_fx_swirl(ShaderFxData *fx, - GPENCIL_e_data *e_data, - GPENCIL_Data *vedata, - tGPencilObjectCache *cache) -{ - if (fx == NULL) { - return; - } - SwirlShaderFxData *fxd = (SwirlShaderFxData *)fx; - if (fxd->object == NULL) { - return; - } + GPUShader *sh = GPENCIL_shader_fx_glow_get(); - GPENCIL_StorageList *stl = ((GPENCIL_Data *)vedata)->stl; - GPENCIL_PassList *psl = ((GPENCIL_Data *)vedata)->psl; - DRWShadingGroup *fx_shgrp; - bGPdata *gpd = cache->gpd; + float ref_col[3]; - fxd->transparent = (int)fxd->flag & FX_SWIRL_MAKE_TRANSPARENT; + if (fx->mode == eShaderFxGlowMode_Luminance) { + ref_col[0] = fx->threshold; + ref_col[1] = -1.0f; + ref_col[2] = -1.0f; + } + else { + copy_v3_v3(ref_col, fx->select_color); + } + + DRWState state = DRW_STATE_WRITE_COLOR; + grp = gpencil_vfx_pass_create("Fx Glow H", state, iter, sh); + DRW_shgroup_uniform_vec2_copy(grp, "offset", (float[2]){fx->blur[0] * c, fx->blur[0] * s}); + DRW_shgroup_uniform_int_copy(grp, "sampCount", max_ii(1, min_ii(fx->samples, fx->blur[0]))); + DRW_shgroup_uniform_vec3_copy(grp, "threshold", ref_col); + DRW_shgroup_uniform_vec4_copy(grp, "glowColor", fx->glow_color); + DRW_shgroup_uniform_bool_copy(grp, "glowUnder", use_glow_under); + DRW_shgroup_uniform_bool_copy(grp, "firstPass", true); + DRW_shgroup_call_procedural_triangles(grp, NULL, 1); + + state = DRW_STATE_WRITE_COLOR; + /* Blending: Force blending. */ + switch (fx->blend_mode) { + case eGplBlendMode_Regular: + state |= DRW_STATE_BLEND_ALPHA_PREMUL; + break; + case eGplBlendMode_Add: + state |= DRW_STATE_BLEND_ADD_FULL; + break; + case eGplBlendMode_Subtract: + state |= DRW_STATE_BLEND_SUB; + break; + case eGplBlendMode_Multiply: + case eGplBlendMode_Divide: + state |= DRW_STATE_BLEND_MUL; + break; + } + + /* Small Hack: We ask for RGBA16F buffer if using use_glow_under to store original + * revealage in alpha channel. */ + if (fx->blend_mode == eGplBlendMode_Subtract || use_glow_under) { + /* For this effect to propagate, we need a signed floating point buffer. */ + iter->pd->use_signed_fb = true; + } + + grp = gpencil_vfx_pass_create("Fx Glow V", state, iter, sh); + DRW_shgroup_uniform_vec2_copy(grp, "offset", (float[2]){-fx->blur[1] * s, fx->blur[1] * c}); + DRW_shgroup_uniform_int_copy(grp, "sampCount", max_ii(1, min_ii(fx->samples, fx->blur[0]))); + DRW_shgroup_uniform_vec3_copy(grp, "threshold", (float[3]){-1.0f, -1.0f, -1.0f}); + DRW_shgroup_uniform_vec4_copy(grp, "glowColor", (float[4]){1.0f, 1.0f, 1.0f, fx->glow_color[3]}); + DRW_shgroup_uniform_bool_copy(grp, "firstPass", false); + DRW_shgroup_uniform_int_copy(grp, "blendMode", fx->blend_mode); + DRW_shgroup_call_procedural_triangles(grp, NULL, 1); +} - GPUBatch *fxquad = DRW_cache_fullscreen_quad_get(); - fx_shgrp = DRW_shgroup_create(e_data->gpencil_fx_swirl_sh, psl->fx_shader_pass); - DRW_shgroup_call(fx_shgrp, fxquad, NULL); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &stl->g_data->temp_color_tx_a); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &stl->g_data->temp_depth_tx_a); +static void gpencil_vfx_wave(WaveShaderFxData *fx, Object *ob, gpIterVfxData *iter) +{ + DRWShadingGroup *grp; - DRW_shgroup_uniform_vec2(fx_shgrp, "Viewport", DRW_viewport_size_get(), 1); + float winmat[4][4], persmat[4][4], wave_center[3]; + float wave_ofs[3], wave_dir[3], wave_phase; + DRW_view_winmat_get(NULL, winmat, false); + DRW_view_persmat_get(NULL, persmat, false); + const float *vp_size = DRW_viewport_size_get(); + const float *vp_size_inv = DRW_viewport_invert_size_get(); - DRW_shgroup_uniform_vec3(fx_shgrp, "loc", fxd->object->obmat[3], 1); + const float w = fabsf(mul_project_m4_v3_zfac(persmat, ob->obmat[3])); + mul_v3_m4v3(wave_center, persmat, ob->obmat[3]); + mul_v3_fl(wave_center, 1.0f / w); - DRW_shgroup_uniform_int(fx_shgrp, "radius", &fxd->radius, 1); - DRW_shgroup_uniform_float(fx_shgrp, "angle", &fxd->angle, 1); - DRW_shgroup_uniform_int(fx_shgrp, "transparent", &fxd->transparent, 1); + /* Modify by distance to camera and object scale. */ + float world_pixel_scale = 1.0f / GPENCIL_PIXEL_FACTOR; + float scale = mat4_to_scale(ob->obmat); + float distance_factor = (world_pixel_scale * scale * winmat[1][1] * vp_size[1]) / w; - DRW_shgroup_uniform_float(fx_shgrp, "pixsize", stl->storage->pixsize, 1); - DRW_shgroup_uniform_float(fx_shgrp, "pixfactor", &gpd->pixfactor, 1); + wave_center[0] = wave_center[0] * 0.5f + 0.5f; + wave_center[1] = wave_center[1] * 0.5f + 0.5f; - fxd->runtime.fx_sh = fx_shgrp; + if (fx->orientation == 0) { + /* Horizontal */ + copy_v2_fl2(wave_dir, 1.0f, 0.0f); + } + else { + /* Vertical */ + copy_v2_fl2(wave_dir, 0.0f, 1.0f); + } + /* Rotate 90°. */ + copy_v2_v2(wave_ofs, wave_dir); + SWAP(float, wave_ofs[0], wave_ofs[1]); + wave_ofs[1] *= -1.0f; + /* Keep world space scalling and aspect ratio. */ + mul_v2_fl(wave_dir, 1.0f / (max_ff(1e-8f, fx->period) * distance_factor)); + mul_v2_v2(wave_dir, vp_size); + mul_v2_fl(wave_ofs, fx->amplitude * distance_factor); + mul_v2_v2(wave_ofs, vp_size_inv); + /* Phase start at shadow center. */ + wave_phase = fx->phase - dot_v2v2(wave_center, wave_dir); + + GPUShader *sh = GPENCIL_shader_fx_transform_get(); + + DRWState state = DRW_STATE_WRITE_COLOR; + grp = gpencil_vfx_pass_create("Fx Wave", state, iter, sh); + DRW_shgroup_uniform_vec2_copy(grp, "axisFlip", (float[2]){1.0f, 1.0f}); + DRW_shgroup_uniform_vec2_copy(grp, "waveDir", wave_dir); + DRW_shgroup_uniform_vec2_copy(grp, "waveOffset", wave_ofs); + DRW_shgroup_uniform_float_copy(grp, "wavePhase", wave_phase); + DRW_shgroup_uniform_float_copy(grp, "swirlRadius", 0.0f); + DRW_shgroup_call_procedural_triangles(grp, NULL, 1); } -/* Wave Distortion FX */ -static void gpencil_fx_wave(ShaderFxData *fx, GPENCIL_e_data *e_data, GPENCIL_Data *vedata) +static void gpencil_vfx_swirl(SwirlShaderFxData *fx, Object *UNUSED(ob), gpIterVfxData *iter) { - if (fx == NULL) { + DRWShadingGroup *grp; + + if (fx->object == NULL) { return; } - WaveShaderFxData *fxd = (WaveShaderFxData *)fx; - - GPENCIL_StorageList *stl = ((GPENCIL_Data *)vedata)->stl; - GPENCIL_PassList *psl = ((GPENCIL_Data *)vedata)->psl; - GPUBatch *fxquad = DRW_cache_fullscreen_quad_get(); - - DRWShadingGroup *fx_shgrp = DRW_shgroup_create(e_data->gpencil_fx_wave_sh, psl->fx_shader_pass); - DRW_shgroup_call(fx_shgrp, fxquad, NULL); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeColor", &stl->g_data->temp_color_tx_a); - DRW_shgroup_uniform_texture_ref(fx_shgrp, "strokeDepth", &stl->g_data->temp_depth_tx_a); - DRW_shgroup_uniform_float(fx_shgrp, "amplitude", &fxd->amplitude, 1); - DRW_shgroup_uniform_float(fx_shgrp, "period", &fxd->period, 1); - DRW_shgroup_uniform_float(fx_shgrp, "phase", &fxd->phase, 1); - DRW_shgroup_uniform_int(fx_shgrp, "orientation", &fxd->orientation, 1); - DRW_shgroup_uniform_vec2(fx_shgrp, "wsize", DRW_viewport_size_get(), 1); + float winmat[4][4], persmat[4][4], swirl_center[3]; + DRW_view_winmat_get(NULL, winmat, false); + DRW_view_persmat_get(NULL, persmat, false); + const float *vp_size = DRW_viewport_size_get(); - fxd->runtime.fx_sh = fx_shgrp; -} - -/* ************************************************************** */ + copy_v3_v3(swirl_center, fx->object->obmat[3]); -/* create all FX shaders */ -void GPENCIL_create_fx_shaders(GPENCIL_e_data *e_data) -{ - /* fx shaders (all in screen space) */ - if (!e_data->gpencil_fx_blur_sh) { - e_data->gpencil_fx_blur_sh = DRW_shader_create_fullscreen(datatoc_gpencil_fx_blur_frag_glsl, - NULL); - } - if (!e_data->gpencil_fx_colorize_sh) { - e_data->gpencil_fx_colorize_sh = DRW_shader_create_fullscreen( - datatoc_gpencil_fx_colorize_frag_glsl, NULL); - } - if (!e_data->gpencil_fx_flip_sh) { - e_data->gpencil_fx_flip_sh = DRW_shader_create_fullscreen(datatoc_gpencil_fx_flip_frag_glsl, - NULL); - } - if (!e_data->gpencil_fx_light_sh) { - e_data->gpencil_fx_light_sh = DRW_shader_create_fullscreen(datatoc_gpencil_fx_light_frag_glsl, - NULL); - } - if (!e_data->gpencil_fx_pixel_sh) { - e_data->gpencil_fx_pixel_sh = DRW_shader_create_fullscreen(datatoc_gpencil_fx_pixel_frag_glsl, - NULL); - } - if (!e_data->gpencil_fx_rim_prepare_sh) { - e_data->gpencil_fx_rim_prepare_sh = DRW_shader_create_fullscreen( - datatoc_gpencil_fx_rim_prepare_frag_glsl, NULL); + const float w = fabsf(mul_project_m4_v3_zfac(persmat, swirl_center)); + mul_v3_m4v3(swirl_center, persmat, swirl_center); + mul_v3_fl(swirl_center, 1.0f / w); - e_data->gpencil_fx_rim_resolve_sh = DRW_shader_create_fullscreen( - datatoc_gpencil_fx_rim_resolve_frag_glsl, NULL); - } - if (!e_data->gpencil_fx_shadow_prepare_sh) { - e_data->gpencil_fx_shadow_prepare_sh = DRW_shader_create_fullscreen( - datatoc_gpencil_fx_shadow_prepare_frag_glsl, NULL); + /* Modify by distance to camera and object scale. */ + float world_pixel_scale = 1.0f / GPENCIL_PIXEL_FACTOR; + float scale = mat4_to_scale(fx->object->obmat); + float distance_factor = (world_pixel_scale * scale * winmat[1][1] * vp_size[1]) / w; - e_data->gpencil_fx_shadow_resolve_sh = DRW_shader_create_fullscreen( - datatoc_gpencil_fx_shadow_resolve_frag_glsl, NULL); - } - if (!e_data->gpencil_fx_glow_prepare_sh) { - e_data->gpencil_fx_glow_prepare_sh = DRW_shader_create_fullscreen( - datatoc_gpencil_fx_glow_prepare_frag_glsl, NULL); + mul_v2_fl(swirl_center, 0.5f); + add_v2_fl(swirl_center, 0.5f); + mul_v2_v2(swirl_center, vp_size); - e_data->gpencil_fx_glow_resolve_sh = DRW_shader_create_fullscreen( - datatoc_gpencil_fx_glow_resolve_frag_glsl, NULL); - } - if (!e_data->gpencil_fx_swirl_sh) { - e_data->gpencil_fx_swirl_sh = DRW_shader_create_fullscreen(datatoc_gpencil_fx_swirl_frag_glsl, - NULL); - } - if (!e_data->gpencil_fx_wave_sh) { - e_data->gpencil_fx_wave_sh = DRW_shader_create_fullscreen(datatoc_gpencil_fx_wave_frag_glsl, - NULL); + float radius = fx->radius * distance_factor; + if (radius < 1.0f) { + return; } -} -/* free FX shaders */ -void GPENCIL_delete_fx_shaders(GPENCIL_e_data *e_data) -{ - DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_blur_sh); - DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_colorize_sh); - DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_flip_sh); - DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_light_sh); - DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_pixel_sh); - DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_rim_prepare_sh); - DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_rim_resolve_sh); - DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_shadow_prepare_sh); - DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_shadow_resolve_sh); - DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_glow_prepare_sh); - DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_glow_resolve_sh); - DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_swirl_sh); - DRW_SHADER_FREE_SAFE(e_data->gpencil_fx_wave_sh); -} + GPUShader *sh = GPENCIL_shader_fx_transform_get(); -/* create all passes used by FX */ -void GPENCIL_create_fx_passes(GPENCIL_PassList *psl) -{ - psl->fx_shader_pass = DRW_pass_create("GPencil Shader FX Pass", - DRW_STATE_WRITE_COLOR | DRW_STATE_WRITE_DEPTH | - DRW_STATE_DEPTH_LESS); - psl->fx_shader_pass_blend = DRW_pass_create("GPencil Shader FX Pass", - DRW_STATE_WRITE_COLOR | DRW_STATE_BLEND_ALPHA | - DRW_STATE_WRITE_DEPTH | DRW_STATE_DEPTH_LESS); + DRWState state = DRW_STATE_WRITE_COLOR; + grp = gpencil_vfx_pass_create("Fx Flip", state, iter, sh); + DRW_shgroup_uniform_vec2_copy(grp, "axisFlip", (float[2]){1.0f, 1.0f}); + DRW_shgroup_uniform_vec2_copy(grp, "waveOffset", (float[2]){0.0f, 0.0f}); + DRW_shgroup_uniform_vec2_copy(grp, "swirlCenter", swirl_center); + DRW_shgroup_uniform_float_copy(grp, "swirlAngle", fx->angle); + DRW_shgroup_uniform_float_copy(grp, "swirlRadius", radius); + DRW_shgroup_call_procedural_triangles(grp, NULL, 1); } -/* prepare fx shading groups */ -void gpencil_fx_prepare(GPENCIL_e_data *e_data, - GPENCIL_Data *vedata, - tGPencilObjectCache *cache_ob) +void gpencil_vfx_cache_populate(GPENCIL_Data *vedata, Object *ob, GPENCIL_tObject *tgp_ob) { - GPENCIL_StorageList *stl = ((GPENCIL_Data *)vedata)->stl; - const bool wiremode = (bool)(cache_ob->shading_type[0] == OB_WIRE); - - int ob_idx = cache_ob->idx; - - if ((wiremode) || (cache_ob->shader_fx.first == NULL)) { + bGPdata *gpd = (bGPdata *)ob->data; + GPENCIL_FramebufferList *fbl = vedata->fbl; + GPENCIL_PrivateData *pd = vedata->stl->pd; + /* If simplify enabled, nothing more to do. */ + if (pd->simplify_fx) { return; } - /* loop FX */ - for (ShaderFxData *fx = cache_ob->shader_fx.first; fx; fx = fx->next) { - if (effect_is_active(cache_ob->gpd, fx, stl->storage->is_render)) { + + /* These may not be allocated yet, use adress of future pointer. */ + gpIterVfxData iter = { + .pd = pd, + .tgp_ob = tgp_ob, + .target_fb = &fbl->layer_fb, + .source_fb = &fbl->object_fb, + .target_color_tx = &pd->color_layer_tx, + .source_color_tx = &pd->color_object_tx, + .target_reveal_tx = &pd->reveal_layer_tx, + .source_reveal_tx = &pd->reveal_object_tx, + }; + + LISTBASE_FOREACH (ShaderFxData *, fx, &ob->shader_fx) { + if (effect_is_active(gpd, fx, pd->is_viewport)) { switch (fx->type) { case eShaderFxType_Blur: - gpencil_fx_blur(fx, ob_idx, e_data, vedata, cache_ob); + gpencil_vfx_blur((BlurShaderFxData *)fx, ob, &iter); break; case eShaderFxType_Colorize: - gpencil_fx_colorize(fx, e_data, vedata); + gpencil_vfx_colorize((ColorizeShaderFxData *)fx, ob, &iter); break; case eShaderFxType_Flip: - gpencil_fx_flip(fx, e_data, vedata); - break; - case eShaderFxType_Light: - gpencil_fx_light(fx, e_data, vedata, cache_ob); + gpencil_vfx_flip((FlipShaderFxData *)fx, ob, &iter); break; case eShaderFxType_Pixel: - gpencil_fx_pixel(fx, e_data, vedata, cache_ob); + gpencil_vfx_pixelize((PixelShaderFxData *)fx, ob, &iter); break; case eShaderFxType_Rim: - gpencil_fx_rim(fx, e_data, vedata, cache_ob); + gpencil_vfx_rim((RimShaderFxData *)fx, ob, &iter); break; case eShaderFxType_Shadow: - gpencil_fx_shadow(fx, e_data, vedata, cache_ob); + gpencil_vfx_shadow((ShadowShaderFxData *)fx, ob, &iter); break; case eShaderFxType_Glow: - gpencil_fx_glow(fx, e_data, vedata, cache_ob); + gpencil_vfx_glow((GlowShaderFxData *)fx, ob, &iter); break; case eShaderFxType_Swirl: - gpencil_fx_swirl(fx, e_data, vedata, cache_ob); + gpencil_vfx_swirl((SwirlShaderFxData *)fx, ob, &iter); break; case eShaderFxType_Wave: - gpencil_fx_wave(fx, e_data, vedata); + gpencil_vfx_wave((WaveShaderFxData *)fx, ob, &iter); break; default: break; } } } -} - -/* helper to draw one FX pass and do ping-pong copy */ -static void gpencil_draw_fx_pass(GPENCIL_Data *vedata, DRWShadingGroup *shgrp, bool blend) -{ - if (shgrp == NULL) { - return; - } - - GPENCIL_StorageList *stl = ((GPENCIL_Data *)vedata)->stl; - GPENCIL_PassList *psl = ((GPENCIL_Data *)vedata)->psl; - GPENCIL_FramebufferList *fbl = ((GPENCIL_Data *)vedata)->fbl; - - const float clearcol[4] = {0.0f}; - GPU_framebuffer_bind(fbl->temp_fb_b); - GPU_framebuffer_clear_color_depth(fbl->temp_fb_b, clearcol, 1.0f); - - /* draw effect pass in temp texture (B) using as source the previous image - * existing in the other temp texture (A) */ - if (!blend) { - DRW_draw_pass_subset(psl->fx_shader_pass, shgrp, shgrp); - } - else { - DRW_draw_pass_subset(psl->fx_shader_pass_blend, shgrp, shgrp); - } - - /* copy pass from b to a for ping-pong frame buffers */ - stl->g_data->input_depth_tx = stl->g_data->temp_depth_tx_b; - stl->g_data->input_color_tx = stl->g_data->temp_color_tx_b; - - GPU_framebuffer_bind(fbl->temp_fb_a); - GPU_framebuffer_clear_color_depth(fbl->temp_fb_a, clearcol, 1.0f); - DRW_draw_pass(psl->mix_pass_noblend); -} - -/* helper to manage gaussian blur passes */ -static void draw_gpencil_blur_passes(GPENCIL_Data *vedata, BlurShaderFxData *fxd) -{ - if (fxd->runtime.fx_sh == NULL) { - return; - } - - DRWShadingGroup *shgrp = fxd->runtime.fx_sh; - int samples = fxd->samples; - - float bx = fxd->blur[0]; - float by = fxd->blur[1]; - - /* the blur is done in two steps (Hor/Ver) because is faster and - * gets better result - * - * samples could be 0 and disable de blur effects because sometimes - * is easier animate the number of samples only, instead to animate the - * hide/unhide and the number of samples to make some effects. - */ - for (int b = 0; b < samples; b++) { - /* horizontal */ - if (bx > 0) { - fxd->blur[0] = bx; - fxd->blur[1] = 0; - gpencil_draw_fx_pass(vedata, shgrp, true); - } - /* vertical */ - if (by > 0) { - fxd->blur[0] = 0; - fxd->blur[1] = by; - gpencil_draw_fx_pass(vedata, shgrp, true); - } - } -} - -/* blur intermediate pass */ -static void draw_gpencil_midpass_blur(GPENCIL_Data *vedata, ShaderFxData_Runtime *runtime) -{ - GPENCIL_PassList *psl = ((GPENCIL_Data *)vedata)->psl; - GPENCIL_FramebufferList *fbl = ((GPENCIL_Data *)vedata)->fbl; - const float clearcol[4] = {0.0f}; - - GPU_framebuffer_bind(fbl->temp_fb_b); - GPU_framebuffer_clear_color_depth(fbl->temp_fb_b, clearcol, 1.0f); - DRW_draw_pass_subset(psl->fx_shader_pass_blend, runtime->fx_sh_b, runtime->fx_sh_b); - - /* copy pass from b for ping-pong frame buffers */ - GPU_framebuffer_bind(fbl->temp_fb_fx); - GPU_framebuffer_clear_color_depth(fbl->temp_fb_fx, clearcol, 1.0f); - DRW_draw_pass(psl->mix_pass_noblend); -} - -/* do blur of mid passes */ -static void draw_gpencil_do_blur( - GPENCIL_Data *vedata, ShaderFxData_Runtime *runtime, int samples, int bx, int by, int blur[2]) -{ - GPENCIL_StorageList *stl = ((GPENCIL_Data *)vedata)->stl; - stl->g_data->input_depth_tx = stl->g_data->temp_depth_tx_b; - stl->g_data->input_color_tx = stl->g_data->temp_color_tx_b; + if (tgp_ob->vfx.first != NULL) { + /* We need an extra pass to combine result to main buffer. */ + iter.target_fb = &fbl->gpencil_fb; - if ((samples > 0) && ((bx > 0) || (by > 0))) { - for (int x = 0; x < samples; x++) { + GPUShader *sh = GPENCIL_shader_fx_composite_get(); - /* horizontal */ - blur[0] = bx; - blur[1] = 0; - draw_gpencil_midpass_blur(vedata, runtime); + DRWState state = DRW_STATE_WRITE_COLOR | DRW_STATE_BLEND_MUL; + DRWShadingGroup *grp = gpencil_vfx_pass_create("GPencil Object Compose", state, &iter, sh); + DRW_shgroup_uniform_int_copy(grp, "isFirstPass", true); + DRW_shgroup_call_procedural_triangles(grp, NULL, 1); - /* Vertical */ - blur[0] = 0; - blur[1] = by; - draw_gpencil_midpass_blur(vedata, runtime); - - blur[0] = bx; - blur[1] = by; - } - } -} - -/* helper to draw RIM passes */ -static void draw_gpencil_rim_passes(GPENCIL_Data *vedata, RimShaderFxData *fxd) -{ - if (fxd->runtime.fx_sh_b == NULL) { - return; - } + /* We cannot do custom blending on MultiTarget framebuffers. + * Workaround by doing 2 passes. */ + grp = DRW_shgroup_create_sub(grp); + DRW_shgroup_state_disable(grp, DRW_STATE_BLEND_MUL); + DRW_shgroup_state_enable(grp, DRW_STATE_BLEND_ADD_FULL); + DRW_shgroup_uniform_int_copy(grp, "isFirstPass", false); + DRW_shgroup_call_procedural_triangles(grp, NULL, 1); - GPENCIL_StorageList *stl = ((GPENCIL_Data *)vedata)->stl; - GPENCIL_PassList *psl = ((GPENCIL_Data *)vedata)->psl; - GPENCIL_FramebufferList *fbl = ((GPENCIL_Data *)vedata)->fbl; - - const float clearcol[4] = {0.0f}; - - /* prepare mask */ - GPU_framebuffer_bind(fbl->temp_fb_fx); - GPU_framebuffer_clear_color_depth(fbl->temp_fb_fx, clearcol, 1.0f); - DRW_draw_pass_subset(psl->fx_shader_pass_blend, fxd->runtime.fx_sh, fxd->runtime.fx_sh); - - /* blur rim */ - draw_gpencil_do_blur( - vedata, &fxd->runtime, fxd->samples, fxd->blur[0], fxd->blur[1], &fxd->blur[0]); - - /* resolve */ - GPU_framebuffer_bind(fbl->temp_fb_b); - GPU_framebuffer_clear_color_depth(fbl->temp_fb_b, clearcol, 1.0f); - DRW_draw_pass_subset(psl->fx_shader_pass_blend, fxd->runtime.fx_sh_c, fxd->runtime.fx_sh_c); - - /* copy pass from b to a for ping-pong frame buffers */ - stl->g_data->input_depth_tx = stl->g_data->temp_depth_tx_b; - stl->g_data->input_color_tx = stl->g_data->temp_color_tx_b; - - GPU_framebuffer_bind(fbl->temp_fb_a); - GPU_framebuffer_clear_color_depth(fbl->temp_fb_a, clearcol, 1.0f); - DRW_draw_pass(psl->mix_pass_noblend); -} - -/* helper to draw SHADOW passes */ -static void draw_gpencil_shadow_passes(GPENCIL_Data *vedata, ShadowShaderFxData *fxd) -{ - if (fxd->runtime.fx_sh_b == NULL) { - return; - } - - GPENCIL_StorageList *stl = ((GPENCIL_Data *)vedata)->stl; - GPENCIL_PassList *psl = ((GPENCIL_Data *)vedata)->psl; - GPENCIL_FramebufferList *fbl = ((GPENCIL_Data *)vedata)->fbl; - const float clearcol[4] = {0.0f}; - - /* prepare shadow */ - GPU_framebuffer_bind(fbl->temp_fb_fx); - GPU_framebuffer_clear_color_depth(fbl->temp_fb_fx, clearcol, 1.0f); - DRW_draw_pass_subset(psl->fx_shader_pass_blend, fxd->runtime.fx_sh, fxd->runtime.fx_sh); - - /* blur shadow */ - draw_gpencil_do_blur( - vedata, &fxd->runtime, fxd->samples, fxd->blur[0], fxd->blur[1], &fxd->blur[0]); - - /* resolve */ - GPU_framebuffer_bind(fbl->temp_fb_b); - GPU_framebuffer_clear_color_depth(fbl->temp_fb_b, clearcol, 1.0f); - DRW_draw_pass_subset(psl->fx_shader_pass_blend, fxd->runtime.fx_sh_c, fxd->runtime.fx_sh_c); - - /* copy pass from b to a for ping-pong frame buffers */ - stl->g_data->input_depth_tx = stl->g_data->temp_depth_tx_b; - stl->g_data->input_color_tx = stl->g_data->temp_color_tx_b; - - GPU_framebuffer_bind(fbl->temp_fb_a); - GPU_framebuffer_clear_color_depth(fbl->temp_fb_a, clearcol, 1.0f); - DRW_draw_pass(psl->mix_pass_noblend); -} - -/* helper to draw GLOW passes */ -static void draw_gpencil_glow_passes(GPENCIL_Data *vedata, GlowShaderFxData *fxd) -{ - if (fxd->runtime.fx_sh_b == NULL) { - return; - } - - GPENCIL_StorageList *stl = ((GPENCIL_Data *)vedata)->stl; - GPENCIL_PassList *psl = ((GPENCIL_Data *)vedata)->psl; - GPENCIL_FramebufferList *fbl = ((GPENCIL_Data *)vedata)->fbl; - - const float clearcol[4] = {0.0f}; - - /* prepare glow */ - GPU_framebuffer_bind(fbl->temp_fb_fx); - GPU_framebuffer_clear_color_depth(fbl->temp_fb_fx, clearcol, 1.0f); - DRW_draw_pass_subset(psl->fx_shader_pass_blend, fxd->runtime.fx_sh, fxd->runtime.fx_sh); - - /* blur glow */ - draw_gpencil_do_blur( - vedata, &fxd->runtime, fxd->samples, fxd->blur[0], fxd->blur[0], &fxd->blur[0]); - - /* resolve */ - GPU_framebuffer_bind(fbl->temp_fb_b); - GPU_framebuffer_clear_color_depth(fbl->temp_fb_b, clearcol, 1.0f); - - /* reuses blur field to keep alpha mode */ - fxd->blur[1] = (fxd->flag & FX_GLOW_USE_ALPHA) ? 1 : 0; - - DRW_draw_pass_subset(psl->fx_shader_pass_blend, fxd->runtime.fx_sh_c, fxd->runtime.fx_sh_c); - - /* copy pass from b to a for ping-pong frame buffers */ - stl->g_data->input_depth_tx = stl->g_data->temp_depth_tx_b; - stl->g_data->input_color_tx = stl->g_data->temp_color_tx_b; - - GPU_framebuffer_bind(fbl->temp_fb_a); - GPU_framebuffer_clear_color_depth(fbl->temp_fb_a, clearcol, 1.0f); - DRW_draw_pass(psl->mix_pass_noblend); -} - -/* apply all object fx effects */ -void gpencil_fx_draw(GPENCIL_e_data *UNUSED(e_data), - GPENCIL_Data *vedata, - tGPencilObjectCache *cache_ob) -{ - GPENCIL_StorageList *stl = ((GPENCIL_Data *)vedata)->stl; - - /* loop FX modifiers */ - for (ShaderFxData *fx = cache_ob->shader_fx.first; fx; fx = fx->next) { - if (effect_is_active(cache_ob->gpd, fx, stl->storage->is_render)) { - switch (fx->type) { - - case eShaderFxType_Blur: { - BlurShaderFxData *fxd = (BlurShaderFxData *)fx; - draw_gpencil_blur_passes(vedata, fxd); - break; - } - case eShaderFxType_Colorize: { - ColorizeShaderFxData *fxd = (ColorizeShaderFxData *)fx; - gpencil_draw_fx_pass(vedata, fxd->runtime.fx_sh, false); - break; - } - case eShaderFxType_Flip: { - FlipShaderFxData *fxd = (FlipShaderFxData *)fx; - gpencil_draw_fx_pass(vedata, fxd->runtime.fx_sh, false); - break; - } - case eShaderFxType_Light: { - LightShaderFxData *fxd = (LightShaderFxData *)fx; - gpencil_draw_fx_pass(vedata, fxd->runtime.fx_sh, false); - break; - } - case eShaderFxType_Pixel: { - PixelShaderFxData *fxd = (PixelShaderFxData *)fx; - gpencil_draw_fx_pass(vedata, fxd->runtime.fx_sh, false); - break; - } - case eShaderFxType_Rim: { - RimShaderFxData *fxd = (RimShaderFxData *)fx; - draw_gpencil_rim_passes(vedata, fxd); - break; - } - case eShaderFxType_Shadow: { - ShadowShaderFxData *fxd = (ShadowShaderFxData *)fx; - draw_gpencil_shadow_passes(vedata, fxd); - break; - } - case eShaderFxType_Glow: { - GlowShaderFxData *fxd = (GlowShaderFxData *)fx; - draw_gpencil_glow_passes(vedata, fxd); - break; - } - case eShaderFxType_Swirl: { - SwirlShaderFxData *fxd = (SwirlShaderFxData *)fx; - gpencil_draw_fx_pass(vedata, fxd->runtime.fx_sh, false); - break; - } - case eShaderFxType_Wave: { - WaveShaderFxData *fxd = (WaveShaderFxData *)fx; - gpencil_draw_fx_pass(vedata, fxd->runtime.fx_sh, false); - break; - } - default: - break; - } - } + pd->use_object_fb = true; + pd->use_layer_fb = true; } } |