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further pruning of legacy render code, now runs on opengl 3.3 core

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This commit is contained in:
milek7
2018-06-24 20:21:07 +02:00
parent c42afa2401
commit 0c5f990528
30 changed files with 400 additions and 1241 deletions
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38
skydome.cpp
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@@ -117,6 +117,14 @@ void CSkyDome::Update( glm::vec3 const &Sun ) {
// render skydome to screen
void CSkyDome::Render() {
if (!m_shader)
{
gl::shader vert("shaders/vbocolor.vert");
gl::shader frag("shaders/color.frag");
m_shader = std::make_unique<gl::program_mvp>(std::vector<std::reference_wrapper<const gl::shader>>({vert, frag}));
m_shader->init();
}
if( m_vertexbuffer == -1 ) {
// build the buffers
::glGenBuffers( 1, &m_vertexbuffer );
@@ -132,21 +140,23 @@ void CSkyDome::Render() {
::glBufferData( GL_ELEMENT_ARRAY_BUFFER, m_indices.size() * sizeof( unsigned short ), m_indices.data(), GL_STATIC_DRAW );
// NOTE: vertex and index source data is superfluous past this point, but, eh
}
// begin
::glEnableClientState( GL_VERTEX_ARRAY );
::glEnableClientState( GL_COLOR_ARRAY );
// positions
::glBindBuffer( GL_ARRAY_BUFFER, m_vertexbuffer );
::glVertexPointer( 3, GL_FLOAT, sizeof( glm::vec3 ), reinterpret_cast<void const*>( 0 ) );
// colours
::glBindBuffer( GL_ARRAY_BUFFER, m_coloursbuffer );
::glColorPointer( 3, GL_FLOAT, sizeof( glm::vec3 ), reinterpret_cast<void const*>( 0 ) );
// indices
::glBindBuffer( GL_ELEMENT_ARRAY_BUFFER, m_indexbuffer );
m_shader->bind();
m_shader->copy_gl_mvp();
glBindBuffer(GL_ARRAY_BUFFER, m_vertexbuffer);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(glm::vec3), 0);
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, m_coloursbuffer);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(glm::vec3), 0);
glEnableVertexAttribArray(1);
glDisableVertexAttribArray(2);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, m_indexbuffer);
::glDrawElements( GL_TRIANGLES, static_cast<GLsizei>( m_indices.size() ), GL_UNSIGNED_SHORT, reinterpret_cast<void const*>( 0 ) );
// cleanup
::glDisableClientState( GL_COLOR_ARRAY );
::glDisableClientState( GL_VERTEX_ARRAY );
glUseProgram(0);
}
bool CSkyDome::SetSunPosition( glm::vec3 const &Direction ) {