ladybird/Userland/Libraries/LibAccelGfx/Program.cpp
Aliaksandr Kalenik cb90daadc7 LibAccelGfx: Add cache for programs
Having programs cache shared between painters would allow us to create
more than one painter without worrying about shaders recompilation.
2023-11-24 08:39:55 +01:00

47 lines
1.2 KiB
C++

/*
* Copyright (c) 2023, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Assertions.h>
#include <AK/Format.h>
#include <LibAccelGfx/GL.h>
#include <LibAccelGfx/Program.h>
namespace AccelGfx {
Optional<GL::Program> programs_cache[to_underlying(Program::Name::ProgramCount)];
Program Program::create(Name name, char const* vertex_shader_source, char const* fragment_shader_source)
{
if (programs_cache[to_underlying(name)].has_value()) {
return Program { *programs_cache[to_underlying(name)] };
}
auto vertex_shader = GL::create_shader(GL::ShaderType::Vertex, vertex_shader_source);
auto fragment_shader = GL::create_shader(GL::ShaderType::Fragment, fragment_shader_source);
auto program = GL::create_program(vertex_shader, fragment_shader);
programs_cache[to_underlying(name)] = program;
return Program { program };
}
void Program::use()
{
GL::use_program(m_program);
}
GL::VertexAttribute Program::get_attribute_location(char const* name)
{
return GL::get_attribute_location(m_program, name);
}
GL::Uniform Program::get_uniform_location(char const* name)
{
return GL::get_uniform_location(m_program, name);
}
}