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authorskal <pascal.massimino@gmail.com>2026-02-08 09:46:31 +0100
committerskal <pascal.massimino@gmail.com>2026-02-08 09:46:31 +0100
commit3252fff7aa131eaf826db19eede82ee9e70fecf5 (patch)
tree1f544a5ef562076b8180ed69a1a1203d22b5707d /src/3d/renderer_mesh.cc
parentec98466b62797fe7e71f35f009a891e72f4ae85a (diff)
refactor(3d): Split Renderer3D into modular files and fix compilation.
Diffstat (limited to 'src/3d/renderer_mesh.cc')
-rw-r--r--src/3d/renderer_mesh.cc204
1 files changed, 0 insertions, 204 deletions
diff --git a/src/3d/renderer_mesh.cc b/src/3d/renderer_mesh.cc
deleted file mode 100644
index 7ef2b42..0000000
--- a/src/3d/renderer_mesh.cc
+++ /dev/null
@@ -1,204 +0,0 @@
-// This file is part of the 64k demo project.
-// It implements mesh-related logic for Renderer3D.
-
-#include "3d/renderer.h"
-#include "generated/assets.h"
-#include "gpu/effects/shader_composer.h"
-#include "util/asset_manager_utils.h"
-#include <cstring>
-#include <vector>
-
-void Renderer3D::create_mesh_pipeline() {
- std::vector<WGPUBindGroupLayoutEntry> entries;
-
- // Binding 0: Global Uniforms
- {
- WGPUBindGroupLayoutEntry e = {};
- e.binding = 0;
- e.visibility = WGPUShaderStage_Vertex | WGPUShaderStage_Fragment;
- e.buffer.type = WGPUBufferBindingType_Uniform;
- e.buffer.minBindingSize = sizeof(GlobalUniforms);
- entries.push_back(e);
- }
-
- // Binding 1: Object Data
- {
- WGPUBindGroupLayoutEntry e = {};
- e.binding = 1;
- e.visibility = WGPUShaderStage_Vertex | WGPUShaderStage_Fragment;
- e.buffer.type = WGPUBufferBindingType_ReadOnlyStorage;
- e.buffer.minBindingSize = sizeof(ObjectData) * kMaxObjects;
- entries.push_back(e);
- }
-
- // Binding 2: BVH Nodes (Optional)
- if (bvh_enabled_) {
- WGPUBindGroupLayoutEntry e = {};
- e.binding = 2;
- e.visibility = WGPUShaderStage_Fragment;
- e.buffer.type = WGPUBufferBindingType_ReadOnlyStorage;
- e.buffer.minBindingSize = sizeof(BVHNode) * kMaxObjects * 2;
- entries.push_back(e);
- }
-
- // Binding 3: Noise Texture
- {
- WGPUBindGroupLayoutEntry e = {};
- e.binding = 3;
- e.visibility = WGPUShaderStage_Fragment;
- e.texture.sampleType = WGPUTextureSampleType_Float;
- e.texture.viewDimension = WGPUTextureViewDimension_2D;
- entries.push_back(e);
- }
-
- // Binding 4: Default Sampler
- {
- WGPUBindGroupLayoutEntry e = {};
- e.binding = 4;
- e.visibility = WGPUShaderStage_Fragment;
- e.sampler.type = WGPUSamplerBindingType_Filtering;
- entries.push_back(e);
- }
-
- // Binding 5: Sky Texture
- {
- WGPUBindGroupLayoutEntry e = {};
- e.binding = 5;
- e.visibility = WGPUShaderStage_Fragment;
- e.texture.sampleType = WGPUTextureSampleType_Float;
- e.texture.viewDimension = WGPUTextureViewDimension_2D;
- entries.push_back(e);
- }
-
- WGPUBindGroupLayoutDescriptor bgl_desc = {};
- bgl_desc.entryCount = (uint32_t)entries.size();
- bgl_desc.entries = entries.data();
- WGPUBindGroupLayout bgl = wgpuDeviceCreateBindGroupLayout(device_, &bgl_desc);
-
- WGPUPipelineLayoutDescriptor pl_desc = {};
- pl_desc.bindGroupLayoutCount = 1;
- pl_desc.bindGroupLayouts = &bgl;
- WGPUPipelineLayout pipeline_layout =
- wgpuDeviceCreatePipelineLayout(device_, &pl_desc);
-
- const char* shader_code_asset =
- (const char*)GetAsset(AssetId::ASSET_SHADER_MESH);
-
- ShaderComposer::CompositionMap composition_map;
- if (bvh_enabled_) {
- composition_map["render/scene_query_mode"] = "render/scene_query_bvh";
- } else {
- composition_map["render/scene_query_mode"] = "render/scene_query_linear";
- }
- std::string shader_source =
- ShaderComposer::Get().Compose({}, shader_code_asset, composition_map);
-
-#if defined(DEMO_CROSS_COMPILE_WIN32)
- WGPUShaderModuleWGSLDescriptor wgsl_desc = {};
- wgsl_desc.chain.sType = WGPUSType_ShaderModuleWGSLDescriptor;
- wgsl_desc.code = shader_source.c_str();
- WGPUShaderModuleDescriptor shader_desc = {};
- shader_desc.nextInChain = (const WGPUChainedStruct*)&wgsl_desc.chain;
-#else
- WGPUShaderSourceWGSL wgsl_desc = {};
- wgsl_desc.chain.sType = WGPUSType_ShaderSourceWGSL;
- wgsl_desc.code = str_view(shader_source.c_str());
- WGPUShaderModuleDescriptor shader_desc = {};
- shader_desc.nextInChain = (const WGPUChainedStruct*)&wgsl_desc.chain;
-#endif
- WGPUShaderModule shader_module =
- wgpuDeviceCreateShaderModule(device_, &shader_desc);
-
- WGPUVertexAttribute vert_attrs[3] = {};
- // pos
- vert_attrs[0].format = WGPUVertexFormat_Float32x3;
- vert_attrs[0].offset = offsetof(MeshVertex, p);
- vert_attrs[0].shaderLocation = 0;
- // norm
- vert_attrs[1].format = WGPUVertexFormat_Float32x3;
- vert_attrs[1].offset = offsetof(MeshVertex, n);
- vert_attrs[1].shaderLocation = 1;
- // uv
- vert_attrs[2].format = WGPUVertexFormat_Float32x2;
- vert_attrs[2].offset = offsetof(MeshVertex, u);
- vert_attrs[2].shaderLocation = 2;
-
- WGPUVertexBufferLayout vert_layout = {};
- vert_layout.arrayStride = sizeof(MeshVertex);
- vert_layout.stepMode = WGPUVertexStepMode_Vertex;
- vert_layout.attributeCount = 3;
- vert_layout.attributes = vert_attrs;
-
- WGPURenderPipelineDescriptor desc = {};
- desc.layout = pipeline_layout;
- desc.vertex.module = shader_module;
-#if defined(DEMO_CROSS_COMPILE_WIN32)
- desc.vertex.entryPoint = "vs_main";
-#else
- desc.vertex.entryPoint = {"vs_main", 7};
-#endif
- desc.vertex.bufferCount = 1;
- desc.vertex.buffers = &vert_layout;
-
- WGPUColorTargetState color_target = {};
- color_target.format = format_;
- color_target.writeMask = WGPUColorWriteMask_All;
- WGPUFragmentState fragment = {};
- fragment.module = shader_module;
-#if defined(DEMO_CROSS_COMPILE_WIN32)
- fragment.entryPoint = "fs_main";
-#else
- fragment.entryPoint = {"fs_main", 7};
-#endif
- fragment.targetCount = 1;
- fragment.targets = &color_target;
- desc.fragment = &fragment;
-
- desc.primitive.topology = WGPUPrimitiveTopology_TriangleList;
- desc.primitive.cullMode = WGPUCullMode_Back;
- desc.primitive.frontFace = WGPUFrontFace_CCW;
-
- WGPUDepthStencilState depth_stencil = {};
- depth_stencil.format = WGPUTextureFormat_Depth24Plus;
- depth_stencil.depthWriteEnabled = WGPUOptionalBool_True;
- depth_stencil.depthCompare = WGPUCompareFunction_Less;
- desc.depthStencil = &depth_stencil;
-
- desc.multisample.count = 1;
- desc.multisample.mask = 0xFFFFFFFF;
-
- mesh_pipeline_ = wgpuDeviceCreateRenderPipeline(device_, &desc);
- wgpuBindGroupLayoutRelease(bgl);
- wgpuPipelineLayoutRelease(pipeline_layout);
- wgpuShaderModuleRelease(shader_module);
-}
-
-const Renderer3D::MeshGpuData*
-Renderer3D::get_or_create_mesh(AssetId asset_id) {
- auto it = mesh_cache_.find(asset_id);
- if (it != mesh_cache_.end()) {
- return &it->second;
- }
-
- MeshAsset asset = GetMeshAsset(asset_id);
- if (!asset.vertices || asset.num_vertices == 0) {
- return nullptr;
- }
-
- MeshGpuData data;
- data.num_indices = asset.num_indices;
-
- data.vertex_buffer =
- gpu_create_buffer(device_, asset.num_vertices * sizeof(MeshVertex),
- WGPUBufferUsage_Vertex | WGPUBufferUsage_CopyDst,
- asset.vertices)
- .buffer;
- data.index_buffer =
- gpu_create_buffer(device_, asset.num_indices * sizeof(uint32_t),
- WGPUBufferUsage_Index | WGPUBufferUsage_CopyDst,
- asset.indices)
- .buffer;
-
- mesh_cache_[asset_id] = data;
- return &mesh_cache_[asset_id];
-}