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WIP: introduce Slice alias

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This commit is contained in:
David Allemang
2023-02-12 09:32:37 -05:00
parent ad0ee7df08
commit 16e195a69b
2 changed files with 25 additions and 19 deletions
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29
vis/src/comps.hpp
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@@ -48,7 +48,10 @@ namespace vis {
}
};
template<typename Str_>
struct VBOs {
using Str = Str_;
struct Uniform {
Eigen::Matrix4f linear;
Eigen::Vector4f translation;
@@ -58,15 +61,16 @@ namespace vis {
unsigned int count, instanceCount, first, baseInstance;
};
cgl::Buffer<Structure<5, 4, 4>::Vertex> vertices;
cgl::Buffer<Structure<5, 4, 4>::Color> colors;
cgl::Buffer<Structure<5, 4, 4>::Cell> indices;
cgl::Buffer<typename Str::Vertex> vertices;
cgl::Buffer<typename Str::Color> colors;
cgl::Buffer<typename Str::Cell> indices;
cgl::Buffer<Uniform> uniform;
cgl::Buffer<Command> commands;
};
template<typename Str>
void upload_structure(entt::registry &registry) {
auto view = registry.view<Structure<5, 4, 4>, VBOs>();
auto view = registry.view<Str, VBOs<Str>>();
for (auto [entity, structure, vbos]: view.each()) {
auto vertices = structure.points.verts.colwise();
@@ -77,12 +81,13 @@ namespace vis {
}
}
template<typename Str>
void upload_uniforms(entt::registry &registry) {
auto view = registry.view<Structure<5, 4, 4>, VBOs>();
auto view = registry.view<Str, VBOs<Str>>();
for (auto [entity, structure, vbos]: view.each()) {
auto colors = structure.colors;
VBOs::Uniform uniform{
typename VBOs<Str>::Uniform uniform{
structure.transform.linear(),
structure.transform.translation(),
};
@@ -92,13 +97,14 @@ namespace vis {
}
}
template<typename Str>
void upload_commands(entt::registry &registry) {
auto view = registry.view<Structure<5, 4, 4>, VBOs>();
auto view = registry.view<Str, VBOs<Str>>();
for (auto [entity, structure, vbos]: view.each()) {
const auto &tilings = structure.hull.tilings;
std::vector<VBOs::Command> commands;
std::vector<typename VBOs<Str>::Command> commands;
for (unsigned int i = 0; i < tilings.size(); ++i) {
if (structure.enabled[i]) {
@@ -111,7 +117,10 @@ namespace vis {
}
}
template<typename Str_>
struct SliceRenderer {
using Str = Str_;
cgl::pgm::vert defer = cgl::pgm::vert(shaders::deferred_vs_glsl);
cgl::pgm::geom slice = cgl::pgm::geom(shaders::slice_gm_glsl);
cgl::pgm::frag solid = cgl::pgm::frag(shaders::solid_fs_glsl);
@@ -132,11 +141,9 @@ namespace vis {
}
void operator()(entt::registry &reg) {
auto view = reg.view<VBOs>();
auto view = reg.view<VBOs<Str>>();
for (auto [entity, vbos]: view.each()) {
const size_t N = 4;
glBindProgramPipeline(pipe);
glBindBufferBase(GL_UNIFORM_BUFFER, 2, vbos.uniform);

13
vis/src/main.cpp
View File

@@ -145,7 +145,8 @@ int run(GLFWwindow* window, ImGuiContext* ctx) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
vis::SliceRenderer renderer;
using Slice = vis::Structure<5, 4, 4>;
vis::SliceRenderer<Slice> renderer;
State state{};
glfwSetWindowUserPointer(window, &state);
@@ -153,8 +154,6 @@ int run(GLFWwindow* window, ImGuiContext* ctx) {
auto &registry = state.registry;
state.dimension = 4;
using Slice = vis::Structure<5, 4, 4>;
auto entity = registry.create();
{
// todo move symbol and root to structure
@@ -165,12 +164,12 @@ int run(GLFWwindow* window, ImGuiContext* ctx) {
Hull<4> hull(group);
auto &structure = registry.emplace<Slice>(entity, std::move(points), std::move(hull));
registry.emplace<vis::VBOs>(entity);
registry.emplace<vis::VBOs<Slice>>(entity);
structure.enabled[0] = false; // disable {0,1,2} cells
}
vis::upload_structure(registry);
vis::upload_structure<Slice>(registry);
auto ubo = cgl::Buffer<Matrices>();
glBindBufferBase(GL_UNIFORM_BUFFER, 1, ubo);
@@ -229,8 +228,8 @@ int run(GLFWwindow* window, ImGuiContext* ctx) {
tform.translation().w() = std::sin(state.time * 1.4) * 1.0;
}
vis::upload_commands(registry);
vis::upload_uniforms(registry);
vis::upload_commands<Slice>(registry);
vis::upload_uniforms<Slice>(registry);
renderer(registry);