delete documentation workflow

1 files changed, 176 insertions, 0 deletions

diff --git a/archive/src/render/immdraw.c b/archive/src/render/immdraw.c
new file mode 100644
index 0000000..8a10c65
--- /dev/null
+++ b/archive/src/render/immdraw.c
@@ -0,0 +1,176 @@
+#include "immdraw.h"
+#include "core.h"
+#include "file.h"
+#include "log.h"
+#include "maths.h"
+#include "maths_types.h"
+#include "primitives.h"
+#include "ral_common.h"
+#include "ral_impl.h"
+#include "ral_types.h"
+#include "render.h"
+#include "render_types.h"
+#include "shader_layouts.h"
+
+void Immdraw_Init(Immdraw_Storage* storage) {
+  INFO("Immediate drawing initialisation");
+
+  // Meshes
+  Geometry sphere_geo = Geo_CreateUVsphere(1.0, 16, 16);
+  storage->sphere = Mesh_Create(&sphere_geo, true);
+
+  Geometry cube_geo = Geo_CreateCuboid(f32x3(1.0, 1.0, 1.0));
+  storage->cube = Mesh_Create(&cube_geo, true);
+
+  Geometry plane_geo = Geo_CreatePlane(f32x2(1.0, 1.0), 1, 1);
+  storage->plane = Mesh_Create(&plane_geo, true);
+
+  Geometry cone_geo = Geo_CreateCone(1.0, 1.0, 8);
+  storage->cone = Mesh_Create(&cone_geo, true);
+
+  Geometry cyl_geo = Geo_CreateCylinder(1.0, 2.0, 8);
+  storage->cylinder = Mesh_Create(&cyl_geo, true);
+
+  storage->bbox = GenBboxMesh();
+
+  // Pipeline / material
+  VertexDescription vertex_desc = {
+    .debug_label = "Immdraw Vertex",
+    .use_full_vertex_size = true,
+  };
+  VertexDesc_AddAttr(&vertex_desc, "position", ATTR_F32x3);
+  VertexDesc_AddAttr(&vertex_desc, "normal", ATTR_F32x3);
+
+  const char* vert_path = "assets/shaders/immdraw.vert";
+  const char* frag_path = "assets/shaders/immdraw.frag";
+  const char* vert_shader = string_from_file(vert_path);
+  const char* frag_shader = string_from_file(frag_path);
+
+  ShaderDataLayout camera_data = Binding_Camera_GetLayout(NULL);
+  ShaderDataLayout imm_uniform_data = ImmediateUniforms_GetLayout(NULL);
+
+  GraphicsPipelineDesc pipeline_desc = {
+    .debug_name = "Immediate Draw Pipeline",
+    .vertex_desc = static_3d_vertex_description(),
+    .data_layouts = { camera_data, imm_uniform_data },
+    .data_layouts_count = 2,
+    .vs = { .debug_name = "Immdraw Vertex Shader", .filepath = vert_path, .code = vert_shader },
+    .fs = { .debug_name = "Immdraw Fragment Shader", .filepath = frag_path, .code = frag_shader },
+    .depth_test = true,
+    .wireframe = true,
+  };
+  GPU_Renderpass* rpass =
+      GPU_Renderpass_Create((GPU_RenderpassDesc){ .default_framebuffer = true });
+  storage->colour_pipeline = GPU_GraphicsPipeline_Create(pipeline_desc, rpass);
+}
+
+void Immdraw_Shutdown(Immdraw_Storage* storage) {
+  GraphicsPipeline_Destroy(storage->colour_pipeline);
+}
+
+void Immdraw_Sphere(Transform tf, Vec4 colour, bool wireframe) {
+  TRACE("Draw sphere");
+  Immdraw_Storage* imm = Render_GetImmdrawStorage();
+  Immdraw_Primitive(tf, CEL_TRI, 1.0, colour, wireframe, imm->sphere);
+}
+void Immdraw_Cuboid(Transform tf, Vec4 colour, bool wireframe) {
+  TRACE("Draw cube");
+  Immdraw_Storage* imm = Render_GetImmdrawStorage();
+  Immdraw_Primitive(tf, CEL_TRI, 1.0, colour, wireframe, imm->cube);
+}
+void Immdraw_Plane(Transform tf, Vec4 colour, bool wireframe) {
+  TRACE("Draw plane");
+  Immdraw_Storage* imm = Render_GetImmdrawStorage();
+  Immdraw_Primitive(tf, CEL_TRI, 1.0, colour, wireframe, imm->plane);
+}
+
+void Immdraw_Bbox(Transform tf, Vec4 colour, bool wireframe) {
+  TRACE("Draw bbox");
+  Immdraw_Storage* imm = Render_GetImmdrawStorage();
+  Immdraw_Primitive(tf, CEL_LINE, 1.0, colour, wireframe, imm->bbox);
+}
+
+void Immdraw_Cylinder(Transform tf, Vec4 colour, bool wireframe) {
+  TRACE("Draw cylinder");
+  Immdraw_Storage* imm = Render_GetImmdrawStorage();
+  Immdraw_Primitive(tf, CEL_TRI, 1.0, colour, wireframe, imm->cylinder);
+}
+
+void Immdraw_Cone(Transform tf, Vec4 colour, bool wireframe) {
+  TRACE("Draw cone");
+  Immdraw_Storage* imm = Render_GetImmdrawStorage();
+  Immdraw_Primitive(tf, CEL_TRI, 1.0, colour, wireframe, imm->cone);
+}
+
+void Immdraw_Primitive(Transform tf, PrimitiveTopology topology, f32 size, Vec4 colour,
+                       bool wireframe, Mesh mesh) {
+  Immdraw_Storage* imm = Render_GetImmdrawStorage();
+  GPU_CmdEncoder* enc = GPU_GetDefaultEncoder();
+
+  // begin renderpass
+  GPU_CmdEncoder_BeginRender(enc, imm->colour_pipeline->renderpass);
+  // bind pipeline
+  GPU_EncodeBindPipeline(enc, imm->colour_pipeline);
+
+  // TODO: implement wireframe in other apis
+#if defined(CEL_REND_BACKEND_OPENGL)
+#include <glad/glad.h>
+  if (wireframe) {
+    glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+  } else {
+    glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+  }
+#endif
+
+  // update uniforms
+  ImmediateUniforms uniforms = {
+    .model = transform_to_mat(&tf),
+    .colour = colour,
+  };
+  Mat4 view, proj;
+  u32x2 dimensions = GPU_Swapchain_GetDimensions();
+  RenderScene* scene = Render_GetScene();
+  Camera_ViewProj(&scene->camera, (f32)dimensions.x, (f32)dimensions.y, &view, &proj);
+  Binding_Camera camera_data = { .view = view,
+                                 .projection = proj,
+                                 .viewPos = vec4(scene->camera.position.x, scene->camera.position.y,
+                                                 scene->camera.position.z, 1.0) };
+  GPU_EncodeBindShaderData(enc, 0, Binding_Camera_GetLayout(&camera_data));
+  GPU_EncodeBindShaderData(enc, 1, ImmediateUniforms_GetLayout(&uniforms));
+
+  // draw call
+  GPU_EncodeSetVertexBuffer(enc, mesh.vertex_buffer);
+  GPU_EncodeSetIndexBuffer(enc, mesh.index_buffer);
+  GPU_EncodeDrawIndexed(enc, topology, mesh.geometry.index_count);
+
+  // end renderpass
+  GPU_CmdEncoder_EndRender(enc);
+}
+
+Mesh GenBboxMesh() {
+  Vertex_darray* vertices = Vertex_darray_new(8);
+  u32_darray* indices = u32_darray_new(24);
+
+  // normals & uvs dont matter
+  VERT_3D(vertices, FRONT_BOT_LEFT, VEC3_NEG_Z, vec2(0, 0));
+  VERT_3D(vertices, FRONT_BOT_RIGHT, VEC3_NEG_Z, vec2(0, 0));
+  VERT_3D(vertices, BACK_BOT_LEFT, VEC3_NEG_Z, vec2(0, 0));
+  VERT_3D(vertices, BACK_BOT_RIGHT, VEC3_NEG_Z, vec2(0, 0));
+  VERT_3D(vertices, FRONT_TOP_LEFT, VEC3_NEG_Z, vec2(0, 0));
+  VERT_3D(vertices, FRONT_TOP_RIGHT, VEC3_NEG_Z, vec2(0, 0));
+  VERT_3D(vertices, BACK_TOP_LEFT, VEC3_NEG_Z, vec2(0, 0));
+  VERT_3D(vertices, BACK_TOP_RIGHT, VEC3_NEG_Z, vec2(0, 0));
+
+  u32 line_indices[24] = { 0, 1, 2, 3, 0, 2, 1, 3, 4, 5, 6, 7, 4, 6, 5, 7, 0, 4, 1, 5, 2, 6, 3, 7 };
+  for (u32 i = 0; i < 24; i++) {
+    u32_darray_push(indices, line_indices[i]);
+  }
+
+  Geometry geo = { .format = VERTEX_STATIC_3D,
+                   .has_indices = true,
+                   .index_count = indices->len,
+                   .vertices = vertices,
+                   .indices = indices };
+
+  return Mesh_Create(&geo, true);
+}