X-lanni
45 lines
1.6 KiB
C++
45 lines
1.6 KiB
C++
/*
|
|
* Copyright 2014 Google Inc. All Rights Reserved.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include "tango-gl/line.h"
|
|
|
|
namespace tango_gl {
|
|
Line::Line(float line_width, GLenum render_mode) {
|
|
line_width_ = line_width;
|
|
render_mode_ = render_mode;
|
|
}
|
|
void Line::SetLineWidth(const float pixels) { line_width_ = pixels; }
|
|
void Line::Render(const glm::mat4& projection_mat,
|
|
const glm::mat4& view_mat) const {
|
|
glUseProgram(shader_program_);
|
|
glLineWidth(line_width_);
|
|
glm::mat4 model_mat = GetTransformationMatrix();
|
|
glm::mat4 mvp_mat = projection_mat * view_mat * model_mat;
|
|
glUniformMatrix4fv(uniform_mvp_mat_, 1, GL_FALSE, glm::value_ptr(mvp_mat));
|
|
|
|
glUniform4f(uniform_color_, red_, green_, blue_, alpha_);
|
|
|
|
glEnableVertexAttribArray(attrib_vertices_);
|
|
glVertexAttribPointer(attrib_vertices_, 3, GL_FLOAT, GL_FALSE,
|
|
sizeof(glm::vec3), &vec_vertices_[0]);
|
|
glDrawArrays(render_mode_, 0, vec_vertices_.size());
|
|
|
|
glDisableVertexAttribArray(attrib_vertices_);
|
|
glUseProgram(0);
|
|
}
|
|
|
|
} // namespace tango_gl
|