git.sur5r.net Git - fstl/blob - src/glmesh.cpp

   1 #include "glmesh.h"
   2 #include "mesh.h"
   3
   4 GLMesh::GLMesh(const Mesh* const mesh)
   5     : vertices(QGLBuffer::VertexBuffer), indices(QGLBuffer::IndexBuffer)
   6 {
   7     vertices.create();
   8     indices.create();
   9
  10     vertices.setUsagePattern(QGLBuffer::StaticDraw);
  11     indices.setUsagePattern(QGLBuffer::StaticDraw);
  12
  13     vertices.bind();
  14     vertices.allocate(mesh->vertices.data(),
  15                       mesh->vertices.size() * sizeof(float));
  16     vertices.release();
  17
  18     indices.bind();
  19     indices.allocate(mesh->indices.data(),
  20                      mesh->indices.size() * sizeof(uint32_t));
  21     indices.release();
  22 }
  23
  24 void GLMesh::draw(GLuint vp)
  25 {
  26     vertices.bind();
  27     indices.bind();
  28
  29     glVertexAttribPointer(vp, 3, GL_FLOAT, false, 3*sizeof(float), NULL);
  30     glDrawElements(GL_TRIANGLES, indices.size() / sizeof(uint32_t),
  31                    GL_UNSIGNED_INT, NULL);
  32
  33     vertices.release();
  34     indices.release();
  35 }