GL3GraphicContextProvider::GL3GraphicContextProvider(const OpenGLWindowProvider * const render_window)
: render_window(render_window), framebuffer_bound(false), opengl_version_major(0), shader_version_major(0), scissor_enabled(false)
{
check_opengl_version();
calculate_shading_language_version();
create_standard_programs();
reset_program_object();
SharedGCData::add_provider(this);
}
GL1GraphicContextProvider::GL1GraphicContextProvider(OpenGLWindowProvider * render_window)
: render_window(render_window),
prim_arrays_set(false), num_set_tex_arrays(0),
primitives_array_texture_set(false), primitives_array_texindex_set(false), scissor_enabled(false),
framebuffer_bound(false)
{
check_opengl_version();
max_texture_coords = get_max_texture_coords();
// Limit the internal texture coords, to avoid situations where the opengl driver says there are unlimited texture coords
if (max_texture_coords > 32)
max_texture_coords = 32;
// Hack, so the sprite render batcher does not exceed the allowed number of textures
if (max_texture_coords < RenderBatchTriangle::max_textures)
{
if (max_texture_coords > 0)
{
RenderBatchTriangle::max_textures = max_texture_coords;
}
else
{
RenderBatchTriangle::max_textures = 1;
}
}
selected_textures.resize(max_texture_coords);
internal_program_provider = new GL1ProgramObjectProvider(this); // <-- To be owned by "standard_program"
internal_program = ProgramObject(internal_program_provider);
// Enable point sprites for legacy opengl
glEnable(GL_POINT_SPRITE);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
SharedGCData::add_provider(this);
}