diff options
Diffstat (limited to 'source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_attributes.cc')
| -rw-r--r-- | source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_attributes.cc | 93 |
1 files changed, 87 insertions, 6 deletions
diff --git a/source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_attributes.cc b/source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_attributes.cc index 8a5a8134ca7..ea702e5efdd 100644 --- a/source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_attributes.cc +++ b/source/blender/draw/intern/mesh_extractors/extract_mesh_vbo_attributes.cc @@ -32,6 +32,7 @@ #include "BKE_attribute.h" +#include "draw_subdivision.h" #include "extract_mesh.h" namespace blender::draw { @@ -153,7 +154,9 @@ static GPUVertCompType get_comp_type_for_type(CustomDataType type) static void init_vbo_for_attribute(const MeshRenderData *mr, GPUVertBuf *vbo, - const DRW_AttributeRequest &request) + const DRW_AttributeRequest &request, + bool build_on_device, + uint32_t len) { GPUVertCompType comp_type = get_comp_type_for_type(request.cd_type); GPUVertFetchMode fetch_mode = get_fetch_mode_for_type(request.cd_type); @@ -184,8 +187,13 @@ static void init_vbo_for_attribute(const MeshRenderData *mr, } } - GPU_vertbuf_init_with_format(vbo, &format); - GPU_vertbuf_data_alloc(vbo, static_cast<uint32_t>(mr->loop_len)); + if (build_on_device) { + GPU_vertbuf_init_build_on_device(vbo, &format, len); + } + else { + GPU_vertbuf_init_with_format(vbo, &format); + GPU_vertbuf_data_alloc(vbo, len); + } } template<typename AttributeType, typename VBOType> @@ -309,7 +317,7 @@ static void extract_attr_init(const MeshRenderData *mr, GPUVertBuf *vbo = static_cast<GPUVertBuf *>(buf); - init_vbo_for_attribute(mr, vbo, request); + init_vbo_for_attribute(mr, vbo, request, false, static_cast<uint32_t>(mr->loop_len)); /* TODO(kevindietrich) : float3 is used for scalar attributes as the implicit conversion done by * OpenGL to vec4 for a scalar `s` will produce a `vec4(s, 0, 0, 1)`. However, following the @@ -346,6 +354,68 @@ static void extract_attr_init(const MeshRenderData *mr, } } +static void extract_attr_init_subdiv(const DRWSubdivCache *subdiv_cache, + const MeshRenderData *mr, + MeshBatchCache *cache, + void *buffer, + void *UNUSED(tls_data), + int index) +{ + const DRW_MeshAttributes *attrs_used = &cache->attr_used; + const DRW_AttributeRequest &request = attrs_used->requests[index]; + + Mesh *coarse_mesh = subdiv_cache->mesh; + + const uint32_t dimensions = gpu_component_size_for_attribute_type(request.cd_type); + + /* Prepare VBO for coarse data. The compute shader only expects floats. */ + GPUVertBuf *src_data = GPU_vertbuf_calloc(); + static GPUVertFormat coarse_format = {0}; + GPU_vertformat_attr_add(&coarse_format, "data", GPU_COMP_F32, dimensions, GPU_FETCH_FLOAT); + GPU_vertbuf_init_with_format_ex(src_data, &coarse_format, GPU_USAGE_STATIC); + GPU_vertbuf_data_alloc(src_data, static_cast<uint32_t>(coarse_mesh->totloop)); + + switch (request.cd_type) { + case CD_PROP_BOOL: { + extract_attr_generic<bool, float3>(mr, src_data, request); + break; + } + case CD_PROP_INT32: { + extract_attr_generic<int32_t, float3>(mr, src_data, request); + break; + } + case CD_PROP_FLOAT: { + extract_attr_generic<float, float3>(mr, src_data, request); + break; + } + case CD_PROP_FLOAT2: { + extract_attr_generic<float2>(mr, src_data, request); + break; + } + case CD_PROP_FLOAT3: { + extract_attr_generic<float3>(mr, src_data, request); + break; + } + case CD_PROP_COLOR: { + extract_attr_generic<MPropCol, gpuMeshCol>(mr, src_data, request); + break; + } + default: { + BLI_assert(false); + } + } + + GPUVertBuf *dst_buffer = static_cast<GPUVertBuf *>(buffer); + init_vbo_for_attribute(mr, dst_buffer, request, true, subdiv_cache->num_subdiv_loops); + + /* Ensure data is uploaded properly. */ + GPU_vertbuf_tag_dirty(src_data); + draw_subdiv_interp_custom_data( + subdiv_cache, src_data, dst_buffer, static_cast<int>(dimensions), 0); + + GPU_vertbuf_discard(src_data); +} + /* Wrappers around extract_attr_init so we can pass the index of the attribute that we want to * extract. The overall API does not allow us to pass this in a convenient way. */ #define EXTRACT_INIT_WRAPPER(index) \ @@ -353,6 +423,14 @@ static void extract_attr_init(const MeshRenderData *mr, const MeshRenderData *mr, struct MeshBatchCache *cache, void *buf, void *tls_data) \ { \ extract_attr_init(mr, cache, buf, tls_data, index); \ + } \ + static void extract_attr_init_subdiv##index(const DRWSubdivCache *subdiv_cache, \ + const MeshRenderData *mr, \ + struct MeshBatchCache *cache, \ + void *buf, \ + void *tls_data) \ + { \ + extract_attr_init_subdiv(subdiv_cache, mr, cache, buf, tls_data, index); \ } EXTRACT_INIT_WRAPPER(0) @@ -371,10 +449,12 @@ EXTRACT_INIT_WRAPPER(12) EXTRACT_INIT_WRAPPER(13) EXTRACT_INIT_WRAPPER(14) -template<int index> constexpr MeshExtract create_extractor_attr(ExtractInitFn fn) +template<int index> +constexpr MeshExtract create_extractor_attr(ExtractInitFn fn, ExtractInitSubdivFn subdiv_fn) { MeshExtract extractor = {nullptr}; extractor.init = fn; + extractor.init_subdiv = subdiv_fn; extractor.data_type = MR_DATA_NONE; extractor.data_size = 0; extractor.use_threading = false; @@ -388,7 +468,8 @@ template<int index> constexpr MeshExtract create_extractor_attr(ExtractInitFn fn extern "C" { #define CREATE_EXTRACTOR_ATTR(index) \ - blender::draw::create_extractor_attr<index>(blender::draw::extract_attr_init##index) + blender::draw::create_extractor_attr<index>(blender::draw::extract_attr_init##index, \ + blender::draw::extract_attr_init_subdiv##index) const MeshExtract extract_attr[GPU_MAX_ATTR] = { CREATE_EXTRACTOR_ATTR(0), |