Hans Goudey
c92c52f0c9
In order to experiment with different storage types for `DRW_Attributes` and for general cleanup (see #103343). Also move a curves header to C++. Pull Request #104716
98 lines
3.0 KiB
C++
98 lines
3.0 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright 2017 Blender Foundation. All rights reserved. */
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/** \file
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* \ingroup draw
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*/
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#include "BLI_string_utils.h"
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#include "BLI_utildefines.h"
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#include "DNA_pointcloud_types.h"
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#include "GPU_batch.h"
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#include "GPU_capabilities.h"
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#include "GPU_compute.h"
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#include "GPU_material.h"
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#include "GPU_shader.h"
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#include "GPU_texture.h"
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#include "GPU_vertex_buffer.h"
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#include "DRW_gpu_wrapper.hh"
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#include "DRW_render.h"
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#include "draw_attributes.hh"
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#include "draw_cache_impl.h"
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#include "draw_common.h"
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#include "draw_manager.h"
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#include "draw_pointcloud_private.hh"
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static GPUVertBuf *g_dummy_vbo = nullptr;
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void DRW_pointcloud_init()
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{
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if (g_dummy_vbo == nullptr) {
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/* initialize vertex format */
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GPUVertFormat format = {0};
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uint dummy_id = GPU_vertformat_attr_add(&format, "dummy", GPU_COMP_F32, 4, GPU_FETCH_FLOAT);
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g_dummy_vbo = GPU_vertbuf_create_with_format_ex(
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&format, GPU_USAGE_STATIC | GPU_USAGE_FLAG_BUFFER_TEXTURE_ONLY);
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const float vert[4] = {0.0f, 0.0f, 0.0f, 0.0f};
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GPU_vertbuf_data_alloc(g_dummy_vbo, 1);
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GPU_vertbuf_attr_fill(g_dummy_vbo, dummy_id, vert);
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}
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}
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DRWShadingGroup *DRW_shgroup_pointcloud_create_sub(Object *object,
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DRWShadingGroup *shgrp_parent,
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GPUMaterial *gpu_material)
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{
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PointCloud &pointcloud = *static_cast<PointCloud *>(object->data);
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DRWShadingGroup *shgrp = DRW_shgroup_create_sub(shgrp_parent);
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/* Fix issue with certain driver not drawing anything if there is no texture bound to
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* "ac", "au", "u" or "c". */
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DRW_shgroup_buffer_texture(shgrp, "u", g_dummy_vbo);
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DRW_shgroup_buffer_texture(shgrp, "au", g_dummy_vbo);
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DRW_shgroup_buffer_texture(shgrp, "c", g_dummy_vbo);
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DRW_shgroup_buffer_texture(shgrp, "ac", g_dummy_vbo);
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GPUVertBuf *pos_rad_buf = pointcloud_position_and_radius_get(&pointcloud);
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DRW_shgroup_buffer_texture(shgrp, "ptcloud_pos_rad_tx", pos_rad_buf);
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if (gpu_material != nullptr) {
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// const DRW_Attributes &attrs = cache->attr_used;
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// for (int i = 0; i < attrs.num_requests; i++) {
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// const DRW_AttributeRequest &request = attrs.requests[i];
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// char sampler_name[32];
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// /* \note reusing curve attribute function. */
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// drw_curves_get_attribute_sampler_name(request.attribute_name, sampler_name);
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// GPUTexture *attribute_buf = DRW_pointcloud_evaluated_attribute(&pointcloud);
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// if (!cache->attributes_buf[i]) {
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// continue;
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// }
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// DRW_shgroup_buffer_texture_ref(shgrp, sampler_name, attribute_buf);
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// }
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/* Only single material supported for now. */
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GPUBatch **geom = pointcloud_surface_shaded_get(&pointcloud, &gpu_material, 1);
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DRW_shgroup_call(shgrp, geom[0], object);
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}
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else {
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GPUBatch *geom = pointcloud_surface_get(&pointcloud);
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DRW_shgroup_call(shgrp, geom, object);
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}
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return shgrp;
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}
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void DRW_pointcloud_free()
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{
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GPU_VERTBUF_DISCARD_SAFE(g_dummy_vbo);
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}
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