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Revert "FIX: instancing draw" 

This reverts commit a8af33bf115307e196ab036b0ee99853c7d9cbee.
This commit is contained in:
lane.wei 2025-02-15 00:09:42 +08:00
parent f1de13737a
commit 6817fca39f
1 changed files with 23 additions and 27 deletions
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50
src/slic3r/GUI/GLModel.cpp
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@ -942,11 +942,11 @@ void GLModel::create_or_update_mats_vbo(unsigned int &vbo, const std::vector<Sli
for (size_t i = 0; i < mats.size(); i++) {
out_mats.emplace_back(mats[i].get_matrix().matrix().cast<float>());
}
glsafe(::glGenBuffers(1, &vbo));
glsafe(::glBindBuffer(GL_ARRAY_BUFFER, vbo));
glGenBuffers(1, &vbo);
glBindBuffer(GL_ARRAY_BUFFER, vbo);
auto one_mat_all_size = sizeof(float) * 16;
glsafe(::glBufferData(GL_ARRAY_BUFFER, mats.size() * one_mat_all_size, out_mats.data(), GL_STATIC_DRAW));
glsafe(::glBindBuffer(GL_ARRAY_BUFFER, 0));
glBufferData(GL_ARRAY_BUFFER, mats.size() * one_mat_all_size, out_mats.data(), GL_STATIC_DRAW);
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
void GLModel::bind_mats_vbo(unsigned int instance_mats_vbo, unsigned int instances_count, int location)
@ -957,22 +957,21 @@ void GLModel::bind_mats_vbo(unsigned int instance_mats_vbo, unsigned int instanc
auto one_mat_all_size = sizeof(float) * 16;
auto one_mat_col_size = sizeof(float) * 4;
glsafe(::glBindBuffer(GL_ARRAY_BUFFER, instance_mats_vbo));
glsafe(glEnableVertexAttribArray(location));
glsafe(glVertexAttribPointer(location, 4, GL_FLOAT, GL_FALSE, one_mat_all_size, (void*)0));
glsafe(glEnableVertexAttribArray(location + 1));
glsafe(glVertexAttribPointer(location + 1, 4, GL_FLOAT, GL_FALSE, one_mat_all_size, (void*)(one_mat_col_size)));
glsafe(glEnableVertexAttribArray(location + 2));
glsafe(glVertexAttribPointer(location + 2, 4, GL_FLOAT, GL_FALSE, one_mat_all_size, (void*)(2 * one_mat_col_size)));
glsafe(glEnableVertexAttribArray(location + 3));
glsafe(glVertexAttribPointer(location + 3, 4, GL_FLOAT, GL_FALSE, one_mat_all_size, (void*)(3 * one_mat_col_size)));
// Update the matrix every time after an object is drawn//useful
glsafe(glVertexAttribDivisor(location, 1));
glsafe(glVertexAttribDivisor(location + 1, 1));
glsafe(glVertexAttribDivisor(location + 2, 1));
glsafe(glVertexAttribDivisor(location + 3, 1));
glsafe(::glBindBuffer(GL_ARRAY_BUFFER, 0));
for (unsigned int i = 0; i < instances_count; i++) { // set attribute pointers for matrix (4 times vec4)
glsafe(glEnableVertexAttribArray(location));
glsafe(glVertexAttribPointer(location, 4, GL_FLOAT, GL_FALSE, one_mat_all_size, (void *) 0));
glsafe(glEnableVertexAttribArray(location + 1));
glsafe(glVertexAttribPointer(location + 1, 4, GL_FLOAT, GL_FALSE, one_mat_all_size, (void *) (one_mat_col_size)));
glsafe(glEnableVertexAttribArray(location + 2));
glsafe(glVertexAttribPointer(location + 2, 4, GL_FLOAT, GL_FALSE, one_mat_all_size, (void *) (2 * one_mat_col_size)));
glsafe(glEnableVertexAttribArray(location + 3));
glsafe(glVertexAttribPointer(location + 3, 4, GL_FLOAT, GL_FALSE, one_mat_all_size, (void *) (3 * one_mat_col_size)));
// Update the matrix every time after an object is drawn//useful
glsafe(glVertexAttribDivisor(location, 1));
glsafe(glVertexAttribDivisor(location + 1, 1));
glsafe(glVertexAttribDivisor(location + 2, 1));
glsafe(glVertexAttribDivisor(location + 3, 1));
}
}
void GLModel::render_geometry_instance(unsigned int instance_mats_vbo, unsigned int instances_count)
@ -1041,7 +1040,6 @@ void GLModel::render_geometry_instance(unsigned int instance_mats_vbo, unsigned
//glBindAttribLocation(shader->get_id(), 2, "instanceMatrix");
//glBindAttribLocation(2, "instanceMatrix");
//shader->bind(shaderProgram, 0, 'position');
glsafe(::glBindBuffer(GL_ARRAY_BUFFER, 0));
instace_mats_id = shader->get_attrib_location("instanceMatrix");
if (instace_mats_id != -1) {
bind_mats_vbo(instance_mats_vbo, instances_count, instace_mats_id);
@ -1055,15 +1053,13 @@ void GLModel::render_geometry_instance(unsigned int instance_mats_vbo, unsigned
glsafe(::glDrawElementsInstanced(mode, range.second - range.first, index_type, (const void *) (range.first * Geometry::index_stride_bytes(data)), instances_count));
glsafe(::glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0));
if (instace_mats_id != -1 && instance_mats_vbo > 0) {
glsafe(::glDisableVertexAttribArray(instace_mats_id));
glsafe(::glDisableVertexAttribArray(instace_mats_id + 1));
glsafe(::glDisableVertexAttribArray(instace_mats_id + 2));
glsafe(::glDisableVertexAttribArray(instace_mats_id + 3));
}
if (instace_mats_id != -1) glsafe(::glDisableVertexAttribArray(instace_mats_id));
if (tex_coord_id != -1) glsafe(::glDisableVertexAttribArray(tex_coord_id));
if (normal_id != -1) glsafe(::glDisableVertexAttribArray(normal_id));
if (position_id != -1) glsafe(::glDisableVertexAttribArray(position_id));
glsafe(::glBindBuffer(GL_ARRAY_BUFFER, 0));
glsafe(::glBindBuffer(GL_ARRAY_BUFFER, 0));
}
void GLModel::render_instanced(unsigned int instances_vbo, unsigned int instances_count) const