Ejemplos de setupQuadEBO en C++ (Cpp)

Ejemplo n.º 1

Archivo: gfx_opengl_shaders.cpp Proyecto: aquadran/residualvm

void ShaderRenderer::init() {
	debug("Initializing OpenGL Renderer with shaders");

	computeScreenViewport();

	glEnable(GL_DEPTH_TEST);

	static const char* attributes[] = { "position", "texcoord", NULL };
	_boxShader = OpenGL::Shader::fromFiles("myst3_box", attributes);
	_boxVBO = OpenGL::Shader::createBuffer(GL_ARRAY_BUFFER, sizeof(boxVertices), boxVertices);
	_boxShader->enableVertexAttribute("position", _boxVBO, 2, GL_FLOAT, GL_TRUE, 2 * sizeof(float), 0);
	_boxShader->enableVertexAttribute("texcoord", _boxVBO, 2, GL_FLOAT, GL_TRUE, 2 * sizeof(float), 0);

	_cubeShader = OpenGL::Shader::fromFiles("myst3_cube", attributes);
	_cubeVBO = OpenGL::Shader::createBuffer(GL_ARRAY_BUFFER, sizeof(cubeVertices), cubeVertices);
	_cubeShader->enableVertexAttribute("texcoord", _cubeVBO, 2, GL_FLOAT, GL_TRUE, 5 * sizeof(float), 0);
	_cubeShader->enableVertexAttribute("position", _cubeVBO, 3, GL_FLOAT, GL_FALSE, 5 * sizeof(float), 2 * sizeof(float));

	_rect3dShader = OpenGL::Shader::fromFiles("myst3_cube", attributes);
	_rect3dVBO = OpenGL::Shader::createBuffer(GL_ARRAY_BUFFER, 20 * sizeof(float), NULL);
	_rect3dShader->enableVertexAttribute("texcoord", _rect3dVBO, 2, GL_FLOAT, GL_TRUE, 5 * sizeof(float), 0);
	_rect3dShader->enableVertexAttribute("position", _rect3dVBO, 3, GL_FLOAT, GL_FALSE, 5 * sizeof(float), 2 * sizeof(float));

	_textShader = OpenGL::Shader::fromFiles("myst3_text", attributes);
	_textVBO = OpenGL::Shader::createBuffer(GL_ARRAY_BUFFER, 100 * 16 * sizeof(float), NULL, GL_DYNAMIC_DRAW);
	_textShader->enableVertexAttribute("texcoord", _textVBO, 2, GL_FLOAT, GL_TRUE, 4 * sizeof(float), 0);
	_textShader->enableVertexAttribute("position", _textVBO, 2, GL_FLOAT, GL_TRUE, 4 * sizeof(float), 2 * sizeof(float));

	setupQuadEBO();
}

Ejemplo n.º 2

Archivo: gfx_opengl_shaders.cpp Proyecto: ZydrateJunkie/grim_mouse

void ShaderRenderer::init() {
#ifndef USE_GLES2
  GLenum err = glewInit();
  if (err != GLEW_OK) {
    error("Error: %s\n", glewGetErrorString(err));
  }
  assert(GLEW_OK == err);
#endif

  glEnable(GL_TEXTURE_2D);
  glEnable(GL_DEPTH_TEST);

  const char* attributes[] = { "position", "texcoord", NULL };
  _box_shader = Graphics::Shader::fromFiles("myst3_box", attributes);
  _boxVBO = Graphics::Shader::createBuffer(GL_ARRAY_BUFFER, sizeof(box_vertices), box_vertices);
  _box_shader->enableVertexAttribute("position", _boxVBO, 2, GL_FLOAT, GL_TRUE, 2 * sizeof(float), 0);
  _box_shader->enableVertexAttribute("texcoord", _boxVBO, 2, GL_FLOAT, GL_TRUE, 2 * sizeof(float), 0);

  _cube_shader = Graphics::Shader::fromFiles("myst3_cube", attributes);
  _cubeVBO = Graphics::Shader::createBuffer(GL_ARRAY_BUFFER, sizeof(cube_vertices), cube_vertices);
  _cube_shader->enableVertexAttribute("texcoord", _cubeVBO, 2, GL_FLOAT, GL_TRUE, 5 * sizeof(float), 0);
  _cube_shader->enableVertexAttribute("position", _cubeVBO, 3, GL_FLOAT, GL_TRUE, 5 * sizeof(float), 2 * sizeof(float));

  _rect3d_shader = Graphics::Shader::fromFiles("myst3_cube", attributes);
  _rect3dVBO = Graphics::Shader::createBuffer(GL_ARRAY_BUFFER, 20 * sizeof(float), NULL);
  _rect3d_shader->enableVertexAttribute("texcoord", _rect3dVBO, 2, GL_FLOAT, GL_TRUE, 5 * sizeof(float), 0);
  _rect3d_shader->enableVertexAttribute("position", _rect3dVBO, 3, GL_FLOAT, GL_TRUE, 5 * sizeof(float), 2 * sizeof(float));

  _text_shader = Graphics::Shader::fromFiles("myst3_text", attributes);
  _textVBO = Graphics::Shader::createBuffer(GL_ARRAY_BUFFER, 100 * 16 * sizeof(float), NULL, GL_DYNAMIC_DRAW);
  _text_shader->enableVertexAttribute("texcoord", _textVBO, 2, GL_FLOAT, GL_TRUE, 4 * sizeof(float), 0);
  _text_shader->enableVertexAttribute("position", _textVBO, 2, GL_FLOAT, GL_TRUE, 4 * sizeof(float), 2 * sizeof(float));

  setupQuadEBO();
}