diff options
Diffstat (limited to 'source/blender/draw/engines/eevee')
4 files changed, 36 insertions, 11 deletions
diff --git a/source/blender/draw/engines/eevee/eevee_lookdev.c b/source/blender/draw/engines/eevee/eevee_lookdev.c index e6c33feeeb9..43d0b050cc8 100644 --- a/source/blender/draw/engines/eevee/eevee_lookdev.c +++ b/source/blender/draw/engines/eevee/eevee_lookdev.c @@ -64,7 +64,7 @@ static void eevee_lookdev_hdri_preview_init(EEVEE_Data *vedata, EEVEE_ViewLayerD DRW_PASS_CREATE(psl->lookdev_diffuse_pass, state); grp = DRW_shgroup_create(sh, psl->lookdev_diffuse_pass); - EEVEE_material_bind_resources(grp, gpumat, sldata, vedata, NULL, NULL, false, false); + EEVEE_material_bind_resources(grp, gpumat, sldata, vedata, NULL, NULL, -1.0f, false, false); DRW_shgroup_add_material_resources(grp, gpumat); DRW_shgroup_call(grp, sphere, NULL); } @@ -75,7 +75,7 @@ static void eevee_lookdev_hdri_preview_init(EEVEE_Data *vedata, EEVEE_ViewLayerD DRW_PASS_CREATE(psl->lookdev_glossy_pass, state); grp = DRW_shgroup_create(sh, psl->lookdev_glossy_pass); - EEVEE_material_bind_resources(grp, gpumat, sldata, vedata, NULL, NULL, false, false); + EEVEE_material_bind_resources(grp, gpumat, sldata, vedata, NULL, NULL, -1.0f, false, false); DRW_shgroup_add_material_resources(grp, gpumat); DRW_shgroup_call(grp, sphere, NULL); } diff --git a/source/blender/draw/engines/eevee/eevee_materials.c b/source/blender/draw/engines/eevee/eevee_materials.c index a81d3e56673..efd27c19654 100644 --- a/source/blender/draw/engines/eevee/eevee_materials.c +++ b/source/blender/draw/engines/eevee/eevee_materials.c @@ -67,6 +67,7 @@ void EEVEE_material_bind_resources(DRWShadingGroup *shgrp, EEVEE_Data *vedata, const int *ssr_id, const float *refract_depth, + const float alpha_clip_threshold, bool use_ssrefraction, bool use_alpha_blend) { @@ -91,6 +92,8 @@ void EEVEE_material_bind_resources(DRWShadingGroup *shgrp, DRW_shgroup_uniform_block(shgrp, "common_block", sldata->common_ubo); DRW_shgroup_uniform_block_ref(shgrp, "renderpass_block", &pd->renderpass_ubo); + DRW_shgroup_uniform_float_copy(shgrp, "alphaClipThreshold", alpha_clip_threshold); + DRW_shgroup_uniform_int_copy(shgrp, "outputSssId", 1); DRW_shgroup_uniform_texture(shgrp, "utilTex", e_data.util_tex); if (use_diffuse || use_glossy || use_refract) { @@ -480,6 +483,8 @@ BLI_INLINE void material_shadow(EEVEE_Data *vedata, /* Shadow Pass */ const bool use_shadow_shader = ma->use_nodes && ma->nodetree && ELEM(ma->blend_shadow, MA_BS_CLIP, MA_BS_HASHED); + float alpha_clip_threshold = (ma->blend_shadow == MA_BS_CLIP) ? ma->alpha_threshold : -1.0f; + int mat_options = VAR_MAT_MESH | VAR_MAT_DEPTH; SET_FLAG_FROM_TEST(mat_options, use_shadow_shader, VAR_MAT_HASH); SET_FLAG_FROM_TEST(mat_options, is_hair, VAR_MAT_HAIR); @@ -503,7 +508,8 @@ BLI_INLINE void material_shadow(EEVEE_Data *vedata, } else { *grp_p = grp = DRW_shgroup_create(sh, psl->shadow_pass); - EEVEE_material_bind_resources(grp, gpumat, sldata, vedata, NULL, NULL, false, false); + EEVEE_material_bind_resources( + grp, gpumat, sldata, vedata, NULL, NULL, alpha_clip_threshold, false, false); } DRW_shgroup_add_material_resources(grp, gpumat); @@ -533,6 +539,7 @@ static EeveeMaterialCache material_opaque(EEVEE_Data *vedata, const bool use_ssrefract = use_gpumat && ((ma->blend_flag & MA_BL_SS_REFRACTION) != 0) && ((effects->enabled_effects & EFFECT_REFRACT) != 0); const bool use_depth_shader = use_gpumat && ELEM(ma->blend_method, MA_BM_CLIP, MA_BM_HASHED); + float alpha_clip_threshold = (ma->blend_method == MA_BM_CLIP) ? ma->alpha_threshold : -1.0f; /* HACK: Assume the struct will never be smaller than our variations. * This allow us to only keep one ghash and avoid bigger keys comparisons/hashing. */ @@ -581,7 +588,8 @@ static EeveeMaterialCache material_opaque(EEVEE_Data *vedata, } else { *grp_p = grp = DRW_shgroup_create(sh, depth_ps); - EEVEE_material_bind_resources(grp, gpumat, sldata, vedata, NULL, NULL, false, false); + EEVEE_material_bind_resources( + grp, gpumat, sldata, vedata, NULL, NULL, alpha_clip_threshold, false, false); } DRW_shgroup_add_material_resources(grp, gpumat); @@ -630,8 +638,15 @@ static EeveeMaterialCache material_opaque(EEVEE_Data *vedata, } else { *grp_p = grp = DRW_shgroup_create(sh, shading_pass); - EEVEE_material_bind_resources( - grp, gpumat, sldata, vedata, &ssr_id, &ma->refract_depth, use_ssrefract, false); + EEVEE_material_bind_resources(grp, + gpumat, + sldata, + vedata, + &ssr_id, + &ma->refract_depth, + alpha_clip_threshold, + use_ssrefract, + false); } DRW_shgroup_add_material_resources(grp, gpumat); @@ -677,7 +692,7 @@ static EeveeMaterialCache material_transparent(EEVEE_Data *vedata, DRWShadingGroup *grp = DRW_shgroup_create(sh, psl->transparent_pass); - EEVEE_material_bind_resources(grp, gpumat, sldata, vedata, NULL, NULL, false, true); + EEVEE_material_bind_resources(grp, gpumat, sldata, vedata, NULL, NULL, -1.0f, false, true); DRW_shgroup_add_material_resources(grp, gpumat); cur_state = DRW_STATE_WRITE_DEPTH | DRW_STATE_DEPTH_LESS_EQUAL; @@ -699,7 +714,7 @@ static EeveeMaterialCache material_transparent(EEVEE_Data *vedata, psl->transparent_pass); EEVEE_material_bind_resources( - grp, gpumat, sldata, vedata, &ssr_id, &ma->refract_depth, use_ssrefract, true); + grp, gpumat, sldata, vedata, &ssr_id, &ma->refract_depth, -1.0f, use_ssrefract, true); DRW_shgroup_add_material_resources(grp, gpumat); cur_state = DRW_STATE_WRITE_COLOR | DRW_STATE_BLEND_CUSTOM; diff --git a/source/blender/draw/engines/eevee/eevee_private.h b/source/blender/draw/engines/eevee/eevee_private.h index ee336326166..6128556d364 100644 --- a/source/blender/draw/engines/eevee/eevee_private.h +++ b/source/blender/draw/engines/eevee/eevee_private.h @@ -1141,6 +1141,7 @@ void EEVEE_material_bind_resources(DRWShadingGroup *shgrp, EEVEE_Data *vedata, const int *ssr_id, const float *refract_depth, + const float alpha_clip_threshold, bool use_ssrefraction, bool use_alpha_blend); /* eevee_lights.c */ diff --git a/source/blender/draw/engines/eevee/shaders/prepass_frag.glsl b/source/blender/draw/engines/eevee/shaders/prepass_frag.glsl index c8eea8d7860..15c68dc5829 100644 --- a/source/blender/draw/engines/eevee/shaders/prepass_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/prepass_frag.glsl @@ -11,6 +11,8 @@ #pragma BLENDER_REQUIRE(surface_lib.glsl) #ifdef USE_ALPHA_HASH +/* A value of -1.0 will disable alpha clip and use alpha hash. */ +uniform float alphaClipThreshold; /* From the paper "Hashed Alpha Testing" by Chris Wyman and Morgan McGuire */ float hash(vec2 a) @@ -76,9 +78,16 @@ void main() float opacity = saturate(1.0 - avg(cl.transmittance)); - /* Hashed Alpha Testing */ - if (opacity < hashed_alpha_threshold(worldPosition)) { - discard; + if (alphaClipThreshold == -1.0) { + /* NOTE: uniform control flow required for dFdx(). */ + if (opacity < hashed_alpha_threshold(worldPosition)) { + discard; + } + } + else { + if (opacity <= alphaClipThreshold) { + discard; + } } #endif } |