Add vao RAII class
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rexy712
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131
include/graphics/vao.hpp
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131
include/graphics/vao.hpp
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/**
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This file is a part of our_dick
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Copyright (C) 2020 rexy712
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef OUR_DICK_GRAPHICS_VAO_HPP
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#define OUR_DICK_GRAPHICS_VAO_HPP
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#include "gl_include.hpp"
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#include "math/math.hpp"
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namespace graphics{
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using namespace math;
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class vertex_attribute;
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//class representing a vertex array object
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class vao
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{
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private:
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GLuint m_buffer; //handle to the vertex array
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public:
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//create a default initialized opengl vao
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vao();
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vao(const vao&) = delete;
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vao(vao&&);
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~vao();
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vao& operator=(const vao&) = delete;
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vao& operator=(vao&&);
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//Get access to a generic vertex attribute within this vao
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vertex_attribute get_attribute(int index);
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//bind this vao for use with rendering program
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void bind();
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//unbind this vao and rebind state machine to 0
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void unbind();
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};
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//class representing a generic vertex attribute in a vao
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class vertex_attribute
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{
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private:
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GLuint m_vao; //handle to vertex array object
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int m_index; //index of this attribute
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public:
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constexpr vertex_attribute(GLuint vao, int index):
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m_vao(vao),
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m_index(index){}
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constexpr vertex_attribute(const vertex_attribute&) = default;
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constexpr vertex_attribute(vertex_attribute&&) = default;
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~vertex_attribute() = default;
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constexpr vertex_attribute& operator=(const vertex_attribute&) = default;
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constexpr vertex_attribute& operator=(vertex_attribute&&) = default;
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//enable use as an array attribute (most likely what is desired)
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void enable_array_mode();
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//disable use as an array attribute. used for static data in attributes during rendering
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void disable_array_mode();
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//setters for use in array mode. Same arguments as glVertexAttribPointer but these take arguments
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//as object counts rather than bytes. a valid vbo must be bound to buffers::array_buffer before these are called.
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void set_float_pointer(GLint size, GLsizei stride, GLsizei offset);
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void set_double_pointer(GLint size, GLsizei stride, GLsizei offset);
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void set_byte_pointer(GLint size, GLsizei stride, GLsizei offset);
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void set_ubyte_pointer(GLint size, GLsizei stride, GLsizei offset);
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void set_short_pointer(GLint size, GLsizei stride, GLsizei offset);
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void set_ushort_pointer(GLint size, GLsizei stride, GLsizei offset);
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void set_int_pointer(GLint size, GLsizei stride, GLsizei offset);
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void set_uint_pointer(GLint size, GLsizei stride, GLsizei offset);
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//setters for use in non array mode
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void set(GLfloat);
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void set(GLshort);
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void set(GLdouble);
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void set(GLint);
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void set(GLuint);
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void set(GLfloat, GLfloat);
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void set(GLshort, GLshort);
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void set(GLdouble, GLdouble);
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void set(GLint, GLint);
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void set(GLuint, GLuint);
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void set(GLfloat, GLfloat, GLfloat);
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void set(GLshort, GLshort, GLshort);
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void set(GLdouble, GLdouble, GLdouble);
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void set(GLint, GLint, GLint);
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void set(GLuint, GLuint, GLuint);
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void set(GLfloat, GLfloat, GLfloat, GLfloat);
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void set(GLshort, GLshort, GLshort, GLshort);
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void set(GLdouble, GLdouble, GLdouble, GLdouble);
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void set(GLint, GLint, GLint, GLint);
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void set(GLuint, GLuint, GLuint, GLuint);
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void set(const vec2<GLfloat>&);
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void set(const vec2<GLshort>&);
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void set(const vec2<GLdouble>&);
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void set(const vec2<GLint>&);
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void set(const vec2<GLuint>&);
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void set(const vec3<GLfloat>&);
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void set(const vec3<GLshort>&);
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void set(const vec3<GLdouble>&);
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void set(const vec3<GLint>&);
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void set(const vec3<GLuint>&);
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void set(const vec4<GLfloat>&);
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void set(const vec4<GLshort>&);
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void set(const vec4<GLdouble>&);
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void set(const vec4<GLint>&);
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void set(const vec4<GLuint>&);
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void set(const vec4<GLbyte>&);
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void set(const vec4<GLubyte>&);
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void set(const vec4<GLushort>&);
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};
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}
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#endif
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242
src/graphics/vao.cpp
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242
src/graphics/vao.cpp
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@ -0,0 +1,242 @@
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/**
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This file is a part of our_dick
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Copyright (C) 2020 rexy712
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "graphics/vao.hpp"
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#include <utility> //exchange, swap
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namespace graphics{
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void vertex_attribute::enable_array_mode(){
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glBindVertexArray(m_vao);
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glEnableVertexAttribArray(m_index);
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}
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void vertex_attribute::disable_array_mode(){
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glBindVertexArray(m_vao);
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glEnableVertexAttribArray(m_index);
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}
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void vertex_attribute::set_float_pointer(GLint size, GLsizei stride, GLsizei offset){
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glBindVertexArray(m_vao);
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glVertexAttribPointer(m_index, size, GL_FLOAT, GL_FALSE, sizeof(GLfloat) * stride, (void*)(sizeof(GLfloat) * offset));
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}
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void vertex_attribute::set_double_pointer(GLint size, GLsizei stride, GLsizei offset){
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glBindVertexArray(m_vao);
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glVertexAttribPointer(m_index, size, GL_DOUBLE, GL_FALSE, sizeof(GLdouble) * stride, (void*)(sizeof(GLdouble) * offset));
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}
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void vertex_attribute::set_byte_pointer(GLint size, GLsizei stride, GLsizei offset){
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glBindVertexArray(m_vao);
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glVertexAttribPointer(m_index, size, GL_BYTE, GL_FALSE, sizeof(GLbyte) * stride, (void*)(sizeof(GLbyte) * offset));
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}
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void vertex_attribute::set_ubyte_pointer(GLint size, GLsizei stride, GLsizei offset){
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glBindVertexArray(m_vao);
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glVertexAttribPointer(m_index, size, GL_UNSIGNED_BYTE, GL_FALSE, sizeof(GLubyte) * stride, (void*)(sizeof(GLubyte) * offset));
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}
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void vertex_attribute::set_short_pointer(GLint size, GLsizei stride, GLsizei offset){
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glBindVertexArray(m_vao);
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glVertexAttribPointer(m_index, size, GL_SHORT, GL_FALSE, sizeof(GLshort) * stride, (void*)(sizeof(GLshort) * offset));
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}
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void vertex_attribute::set_ushort_pointer(GLint size, GLsizei stride, GLsizei offset){
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glBindVertexArray(m_vao);
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glVertexAttribPointer(m_index, size, GL_UNSIGNED_SHORT, GL_FALSE, sizeof(GLushort) * stride, (void*)(sizeof(GLushort) * offset));
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}
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void vertex_attribute::set_int_pointer(GLint size, GLsizei stride, GLsizei offset){
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glBindVertexArray(m_vao);
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glVertexAttribPointer(m_index, size, GL_INT, GL_FALSE, sizeof(GLint) * stride, (void*)(sizeof(GLint) * offset));
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}
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void vertex_attribute::set_uint_pointer(GLint size, GLsizei stride, GLsizei offset){
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glBindVertexArray(m_vao);
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glVertexAttribPointer(m_index, size, GL_UNSIGNED_INT, GL_FALSE, sizeof(GLuint) * stride, (void*)(sizeof(GLuint) * offset));
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}
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void vertex_attribute::set(GLfloat x){
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glBindVertexArray(m_vao);
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glVertexAttrib1f(m_index, x);
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}
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void vertex_attribute::set(GLshort x){
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glBindVertexArray(m_vao);
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glVertexAttrib1s(m_index, x);
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}
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void vertex_attribute::set(GLdouble x){
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glBindVertexArray(m_vao);
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glVertexAttrib1d(m_index, x);
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}
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void vertex_attribute::set(GLint x){
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glBindVertexArray(m_vao);
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glVertexAttribI1i(m_index, x);
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}
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void vertex_attribute::set(GLuint x){
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glBindVertexArray(m_vao);
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glVertexAttribI1ui(m_index, x);
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}
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void vertex_attribute::set(GLfloat x, GLfloat y){
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glBindVertexArray(m_vao);
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glVertexAttrib2f(m_index, x, y);
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}
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void vertex_attribute::set(GLshort x, GLshort y){
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glBindVertexArray(m_vao);
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glVertexAttrib2s(m_index, x, y);
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}
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void vertex_attribute::set(GLdouble x, GLdouble y){
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glBindVertexArray(m_vao);
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glVertexAttrib2d(m_index, x, y);
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}
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void vertex_attribute::set(GLint x, GLint y){
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glBindVertexArray(m_vao);
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glVertexAttribI2i(m_index, x, y);
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}
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void vertex_attribute::set(GLuint x, GLuint y){
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glBindVertexArray(m_vao);
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glVertexAttribI2ui(m_index, x, y);
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}
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void vertex_attribute::set(GLfloat x, GLfloat y, GLfloat z){
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glBindVertexArray(m_vao);
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glVertexAttrib3f(m_index, x, y, z);
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}
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void vertex_attribute::set(GLshort x, GLshort y, GLshort z){
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glBindVertexArray(m_vao);
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glVertexAttrib3s(m_index, x, y, z);
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}
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void vertex_attribute::set(GLdouble x, GLdouble y, GLdouble z){
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glBindVertexArray(m_vao);
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glVertexAttrib3d(m_index, x, y, z);
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}
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void vertex_attribute::set(GLint x, GLint y, GLint z){
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glBindVertexArray(m_vao);
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glVertexAttribI3i(m_index, x, y, z);
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}
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void vertex_attribute::set(GLuint x, GLuint y, GLuint z){
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glBindVertexArray(m_vao);
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glVertexAttribI3ui(m_index, x, y, z);
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}
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void vertex_attribute::set(GLfloat x, GLfloat y, GLfloat z, GLfloat w){
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glBindVertexArray(m_vao);
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glVertexAttrib4f(m_index, x, y, z, w);
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}
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void vertex_attribute::set(GLshort x, GLshort y, GLshort z, GLshort w){
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glBindVertexArray(m_vao);
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glVertexAttrib4s(m_index, x, y, z, w);
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}
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void vertex_attribute::set(GLdouble x, GLdouble y, GLdouble z, GLdouble w){
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glBindVertexArray(m_vao);
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glVertexAttrib4d(m_index, x, y, z, w);
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}
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void vertex_attribute::set(GLint x, GLint y, GLint z, GLint w){
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glBindVertexArray(m_vao);
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glVertexAttribI4i(m_index, x, y, z, w);
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}
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void vertex_attribute::set(GLuint x, GLuint y, GLuint z, GLuint w){
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glBindVertexArray(m_vao);
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glVertexAttribI4ui(m_index, x, y, z, w);
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}
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void vertex_attribute::set(const vec2<GLfloat>& v){
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glBindVertexArray(m_vao);
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glVertexAttrib2fv(m_index, v);
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}
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void vertex_attribute::set(const vec2<GLshort>& v){
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glBindVertexArray(m_vao);
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glVertexAttrib2sv(m_index, v);
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}
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void vertex_attribute::set(const vec2<GLdouble>& v){
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glBindVertexArray(m_vao);
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glVertexAttrib2dv(m_index, v);
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}
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void vertex_attribute::set(const vec2<GLint>& v){
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glBindVertexArray(m_vao);
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glVertexAttribI2iv(m_index, v);
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}
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void vertex_attribute::set(const vec2<GLuint>& v){
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glBindVertexArray(m_vao);
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glVertexAttribI2uiv(m_index, v);
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}
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void vertex_attribute::set(const vec3<GLfloat>& v){
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glBindVertexArray(m_vao);
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glVertexAttrib3fv(m_index, v);
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}
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void vertex_attribute::set(const vec3<GLshort>& v){
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glBindVertexArray(m_vao);
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glVertexAttrib3sv(m_index, v);
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}
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void vertex_attribute::set(const vec3<GLdouble>& v){
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glBindVertexArray(m_vao);
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glVertexAttrib3dv(m_index, v);
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}
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void vertex_attribute::set(const vec3<GLint>& v){
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glBindVertexArray(m_vao);
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glVertexAttribI3iv(m_index, v);
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}
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void vertex_attribute::set(const vec3<GLuint>& v){
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glBindVertexArray(m_vao);
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glVertexAttribI3uiv(m_index, v);
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}
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void vertex_attribute::set(const vec4<GLfloat>& v){
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glBindVertexArray(m_vao);
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glVertexAttrib4fv(m_index, v);
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}
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void vertex_attribute::set(const vec4<GLshort>& v){
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glBindVertexArray(m_vao);
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glVertexAttrib4sv(m_index, v);
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}
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void vertex_attribute::set(const vec4<GLdouble>& v){
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glBindVertexArray(m_vao);
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glVertexAttrib4dv(m_index, v);
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}
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void vertex_attribute::set(const vec4<GLint>& v){
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glBindVertexArray(m_vao);
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glVertexAttrib4iv(m_index, v);
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}
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void vertex_attribute::set(const vec4<GLuint>& v){
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glBindVertexArray(m_vao);
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glVertexAttrib4uiv(m_index, v);
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}
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void vertex_attribute::set(const vec4<GLbyte>& v){
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glBindVertexArray(m_vao);
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glVertexAttrib4bv(m_index, v);
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}
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void vertex_attribute::set(const vec4<GLubyte>& v){
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glBindVertexArray(m_vao);
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glVertexAttrib4ubv(m_index, v);
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}
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void vertex_attribute::set(const vec4<GLushort>& v){
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glBindVertexArray(m_vao);
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glVertexAttrib4usv(m_index, v);
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}
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vao::vao(){
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glGenVertexArrays(1, &m_buffer);
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}
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vao::vao(vao&& v):
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m_buffer(std::exchange(v.m_buffer, 0)){}
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vao::~vao(){
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if(m_buffer)
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glDeleteVertexArrays(1, &m_buffer);
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}
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vao& vao::operator=(vao&& v){
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std::swap(m_buffer, v.m_buffer);
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return *this;
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}
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vertex_attribute vao::get_attribute(int index){
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return vertex_attribute(m_buffer, index);
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}
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void vao::bind(){
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glBindVertexArray(m_buffer);
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}
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void vao::unbind(){
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glBindVertexArray(0);
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}
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}
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