diff options
Diffstat (limited to 'source/blender/draw/engines/select/select_engine.c')
| -rw-r--r-- | source/blender/draw/engines/select/select_engine.c | 217 |
1 files changed, 21 insertions, 196 deletions
diff --git a/source/blender/draw/engines/select/select_engine.c b/source/blender/draw/engines/select/select_engine.c index 1f00a116499..3e4e4861f50 100644 --- a/source/blender/draw/engines/select/select_engine.c +++ b/source/blender/draw/engines/select/select_engine.c @@ -22,12 +22,9 @@ * Engine for drawing a selection map where the pixels indicate the selection indices. */ -#include "BLI_rect.h" - #include "DNA_screen_types.h" #include "GPU_shader.h" -#include "GPU_select.h" #include "UI_resources.h" @@ -42,19 +39,7 @@ static struct { SELECTID_Shaders sh_data[GPU_SHADER_CFG_LEN]; - - struct GPUFrameBuffer *framebuffer_select_id; - struct GPUTexture *texture_u32; - - struct { - struct BaseOffset *base_array_index_offsets; - uint bases_len; - uint last_base_drawn; - /** Total number of items `base_array_index_offsets[bases_len - 1].vert`. */ - uint last_index_drawn; - - short select_mode; - } context; + struct SELECTID_Context context; } e_data = {{{NULL}}}; /* Engine data */ /* Shaders */ @@ -63,41 +48,6 @@ extern char datatoc_selection_id_3D_vert_glsl[]; extern char datatoc_selection_id_frag_glsl[]; /* -------------------------------------------------------------------- */ -/** \name Selection Utilities - * \{ */ - -static void draw_select_framebuffer_select_id_setup(void) -{ - DefaultTextureList *dtxl = DRW_viewport_texture_list_get(); - int size[2]; - size[0] = GPU_texture_width(dtxl->depth); - size[1] = GPU_texture_height(dtxl->depth); - - if (e_data.framebuffer_select_id == NULL) { - e_data.framebuffer_select_id = GPU_framebuffer_create(); - } - - if ((e_data.texture_u32 != NULL) && ((GPU_texture_width(e_data.texture_u32) != size[0]) || - (GPU_texture_height(e_data.texture_u32) != size[1]))) { - - GPU_texture_free(e_data.texture_u32); - e_data.texture_u32 = NULL; - } - - /* Make sure the depth texture is attached. - * It may disappear when loading another Blender session. */ - GPU_framebuffer_texture_attach(e_data.framebuffer_select_id, dtxl->depth, 0, 0); - - if (e_data.texture_u32 == NULL) { - e_data.texture_u32 = GPU_texture_create_2d(size[0], size[1], GPU_R32UI, NULL, NULL); - GPU_framebuffer_texture_attach(e_data.framebuffer_select_id, e_data.texture_u32, 0, 0); - GPU_framebuffer_check_valid(e_data.framebuffer_select_id, NULL); - } -} - -/** \} */ - -/* -------------------------------------------------------------------- */ /** \name Engine Functions * \{ */ @@ -206,15 +156,14 @@ static void select_cache_init(void *vedata) } } - e_data.context.last_base_drawn = 0; + e_data.context.last_object_drawn = 0; e_data.context.last_index_drawn = 1; } static void select_cache_populate(void *vedata, Object *ob) { const DRWContextState *draw_ctx = DRW_context_state_get(); - struct BaseOffset *base_ofs = - &e_data.context.base_array_index_offsets[e_data.context.last_base_drawn++]; + struct BaseOffset *base_ofs = &e_data.context.index_offsets[e_data.context.last_object_drawn++]; uint offset = e_data.context.last_index_drawn; @@ -237,13 +186,14 @@ static void select_draw_scene(void *vedata) SELECTID_PassList *psl = ((SELECTID_Data *)vedata)->psl; /* Setup framebuffer */ - draw_select_framebuffer_select_id_setup(); - GPU_framebuffer_bind(e_data.framebuffer_select_id); + draw_select_framebuffer_select_id_setup(&e_data.context); + GPU_framebuffer_bind(e_data.context.framebuffer_select_id); /* dithering and AA break color coding, so disable */ glDisable(GL_DITHER); - GPU_framebuffer_clear_color_depth(e_data.framebuffer_select_id, (const float[4]){0.0f}, 1.0f); + GPU_framebuffer_clear_color_depth( + e_data.context.framebuffer_select_id, (const float[4]){0.0f}, 1.0f); DRW_view_set_active(stl->g_data->view_faces); DRW_draw_pass(psl->select_id_face_pass); @@ -267,145 +217,9 @@ static void select_engine_free(void) DRW_SHADER_FREE_SAFE(sh_data->select_id_uniform); } - DRW_TEXTURE_FREE_SAFE(e_data.texture_u32); - GPU_FRAMEBUFFER_FREE_SAFE(e_data.framebuffer_select_id); - MEM_SAFE_FREE(e_data.context.base_array_index_offsets); -} - -/** \} */ - -/* -------------------------------------------------------------------- */ -/** \name Exposed `DRW_engine.h` functions - * \{ */ - -bool DRW_select_elem_get(const uint sel_id, uint *r_elem, uint *r_base_index, char *r_elem_type) -{ - char elem_type = 0; - uint elem_id; - uint base_index = 0; - - for (; base_index < e_data.context.bases_len; base_index++) { - struct BaseOffset *base_ofs = &e_data.context.base_array_index_offsets[base_index]; - - if (base_ofs->face > sel_id) { - elem_id = sel_id - base_ofs->face_start; - elem_type = SCE_SELECT_FACE; - break; - } - if (base_ofs->edge > sel_id) { - elem_id = sel_id - base_ofs->edge_start; - elem_type = SCE_SELECT_EDGE; - break; - } - if (base_ofs->vert > sel_id) { - elem_id = sel_id - base_ofs->vert_start; - elem_type = SCE_SELECT_VERTEX; - break; - } - } - - if (base_index == e_data.context.bases_len) { - return false; - } - - *r_elem = elem_id; - - if (r_base_index) { - *r_base_index = base_index; - } - - if (r_elem_type) { - *r_elem_type = elem_type; - } - - return true; -} - -uint DRW_select_context_offset_for_object_elem(const uint base_index, char elem_type) -{ - struct BaseOffset *base_ofs = &e_data.context.base_array_index_offsets[base_index]; - - if (elem_type == SCE_SELECT_VERTEX) { - return base_ofs->vert_start - 1; - } - if (elem_type == SCE_SELECT_EDGE) { - return base_ofs->edge_start - 1; - } - if (elem_type == SCE_SELECT_FACE) { - return base_ofs->face_start - 1; - } - BLI_assert(0); - return 0; -} - -uint DRW_select_context_elem_len(void) -{ - return e_data.context.last_index_drawn; -} - -/* Read a block of pixels from the select frame buffer. */ -void DRW_framebuffer_select_id_read(const rcti *rect, uint *r_buf) -{ - /* clamp rect by texture */ - rcti r = { - .xmin = 0, - .xmax = GPU_texture_width(e_data.texture_u32), - .ymin = 0, - .ymax = GPU_texture_height(e_data.texture_u32), - }; - - rcti rect_clamp = *rect; - if (BLI_rcti_isect(&r, &rect_clamp, &rect_clamp)) { - DRW_opengl_context_enable(); - GPU_framebuffer_bind(e_data.framebuffer_select_id); - glReadBuffer(GL_COLOR_ATTACHMENT0); - glReadPixels(rect_clamp.xmin, - rect_clamp.ymin, - BLI_rcti_size_x(&rect_clamp), - BLI_rcti_size_y(&rect_clamp), - GL_RED_INTEGER, - GL_UNSIGNED_INT, - r_buf); - - GPU_framebuffer_restore(); - DRW_opengl_context_disable(); - - if (!BLI_rcti_compare(rect, &rect_clamp)) { - GPU_select_buffer_stride_realign(rect, &rect_clamp, r_buf); - } - } - else { - size_t buf_size = BLI_rcti_size_x(rect) * BLI_rcti_size_y(rect) * sizeof(*r_buf); - - memset(r_buf, 0, buf_size); - } -} - -void DRW_select_context_create(Base **UNUSED(bases), const uint bases_len, short select_mode) -{ - e_data.context.select_mode = select_mode; - e_data.context.bases_len = bases_len; - - MEM_SAFE_FREE(e_data.context.base_array_index_offsets); - e_data.context.base_array_index_offsets = MEM_mallocN( - sizeof(*e_data.context.base_array_index_offsets) * bases_len, __func__); -} - -/** \} */ - -/* -------------------------------------------------------------------- */ -/** \name Legacy - * \{ */ - -void DRW_draw_select_id_object(Depsgraph *depsgraph, - ViewLayer *view_layer, - ARegion *ar, - View3D *v3d, - Object *ob, - short select_mode) -{ - Base *base = BKE_view_layer_base_find(view_layer, ob); - DRW_draw_select_id(depsgraph, ar, v3d, &base, 1, select_mode); + DRW_TEXTURE_FREE_SAFE(e_data.context.texture_u32); + GPU_FRAMEBUFFER_FREE_SAFE(e_data.context.framebuffer_select_id); + MEM_SAFE_FREE(e_data.context.index_offsets); } /** \} */ @@ -454,4 +268,15 @@ RenderEngineType DRW_engine_viewport_select_type = { /** \} */ +/* -------------------------------------------------------------------- */ +/** \name Exposed `select_private.h` functions + * \{ */ + +struct SELECTID_Context *select_context_get(void) +{ + return &e_data.context; +} + +/** \} */ + #undef SELECT_ENGINE |