cmake_minimum_required(VERSION 3.0)

include(cmake/shader.txt)

add_subdirectory(contrib/cgltf)
add_subdirectory(contrib/cgltf-tangents)
add_subdirectory(contrib/stb)

add_subdirectory(app)

project(gfx)

add_shader_library(shaders
  shaders/brdf_integration_map.frag
  shaders/cook_torrance.frag
  shaders/cook_torrance.vert
  shaders/cubemap_filtering.vert
  shaders/debug3d.frag
  shaders/debug3d.vert
  shaders/immediate_mode.frag
  shaders/immediate_mode.vert
  shaders/irradiance_map.frag
  shaders/prefiltered_environment_map.frag
  shaders/quad.vert
  shaders/skyquad.frag
  shaders/skyquad.vert
  shaders/view_normal_mapped_normals.frag
  shaders/view_normal_mapped_normals.vert
  shaders/view_normals.frag
  shaders/view_normals.vert
  shaders/view_tangents.frag
  shaders/view_tangents.vert
  shaders/view_texture.frag
  shaders/view_texture.vert)

add_library(gfx SHARED
  src/asset/asset_cache.c
  src/asset/model.c
  src/asset/texture.c
  src/core/buffer.c
  src/core/core.c
  src/core/framebuffer.c
  src/core/geometry.c
  src/core/renderbuffer.c
  src/core/shader_program.c
  src/core/shader.c
  src/core/texture.c
  src/renderer/imm_renderer.c
  src/renderer/renderer.c
  src/scene/animation.c
  src/scene/camera.c
  src/scene/light.c
  src/scene/material.c
  src/scene/mesh.c
  src/scene/model.c
  src/scene/node.c
  src/scene/object.c
  src/scene/scene.c
  src/scene/scene_memory.c
  src/gfx.c
  src/util/geometry.c
  src/util/ibl.c
  src/util/shader.c
  src/util/skyquad.c)

target_include_directories(gfx PUBLIC
  include)

target_include_directories(gfx PRIVATE
  src)

target_compile_options(gfx PRIVATE -std=gnu11 -Wall -Wextra -Wpedantic)

target_link_libraries(gfx PUBLIC
  cstring
  math)

target_link_libraries(gfx PRIVATE
  cassert
  cgltf
  cgltf-tangents
  error
  gfx-app
  log
  mempool
  shaders
  stb
  # System libraries.
  GL
  # Required to initialize GLAD.
  -ldl)