Screen::Screen() :
sdl_init_{make_scoped_call(SDL_Init,
SDL_Quit,
SDL_INIT_TIMER |
SDL_INIT_AUDIO |
SDL_INIT_VIDEO |
SDL_INIT_EVENTS)},
ttf_init_{make_scoped_call(TTF_Init, TTF_Quit)},
img_init_{make_scoped_call(IMG_Init, IMG_Quit, 0 /* no special libraries */)},
window_{make_resource(SDL_CreateWindow,
SDL_DestroyWindow,
"EGGS",
SDL_WINDOWPOS_UNDEFINED,
SDL_WINDOWPOS_UNDEFINED,
kStartWidth,
kStartHeight,
SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE)},
renderer_{make_resource(SDL_CreateRenderer,
SDL_DestroyRenderer,
window_.get(),
-1 /* first available driver */,
SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC)},
font_{make_resource(TTF_OpenFont, TTF_CloseFont,
get_asset_path("DroidSansMono.ttf").c_str(),
kFontPtSize)}
{
empty_.r = 255;
empty_.g = 255;
empty_.b = 255;
empty_.a = 0;
text_color_.r = 0;
text_color_.g = 0;
text_color_.b = 0;
text_color_.a = 0;
}
QuadTreeRenderer::QuadTreeRenderer()
: m_vert_shader(make_resource("color.vert"))
, m_frag_shader(make_resource("color.frag"))
, m_material(make_resource("Color.material"))
, m_vao(nullptr)
, m_vbuffer(nullptr)
, m_ibuffer(nullptr)
{
build();
}
static struct resource *nonstatic_find_io_region(unsigned long base, int num,
unsigned long align, struct pcmcia_socket *s)
{
struct resource *res = make_resource(0, num, IORESOURCE_IO, s->dev.class_id);
struct socket_data *s_data = s->resource_data;
struct pcmcia_align_data data;
unsigned long min = base;
int ret;
if (align == 0)
align = 0x10000;
data.mask = align - 1;
data.offset = base & data.mask;
data.map = &s_data->io_db;
down(&rsrc_sem);
#ifdef CONFIG_PCI
if (s->cb_dev) {
ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, 1,
min, 0, pcmcia_align, &data);
} else
#endif
ret = allocate_resource(&ioport_resource, res, num, min, ~0UL,
1, pcmcia_align, &data);
up(&rsrc_sem);
if (ret != 0) {
kfree(res);
res = NULL;
}
return res;
}
static struct resource *iodyn_find_io_region(unsigned long base, int num,
unsigned long align, struct pcmcia_socket *s)
{
struct resource *res = make_resource(0, num, IORESOURCE_IO,
dev_name(&s->dev));
struct pcmcia_align_data data;
unsigned long min = base;
int ret;
if (align == 0)
align = 0x10000;
data.mask = align - 1;
data.offset = base & data.mask;
#ifdef CONFIG_PCI
if (s->cb_dev) {
ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, 1,
min, 0, pcmcia_align, &data);
} else
#endif
ret = allocate_resource(&ioport_resource, res, num, min, ~0UL,
1, pcmcia_align, &data);
if (ret != 0) {
kfree(res);
res = NULL;
}
return res;
}
Material::Material()
: m_vert_shader(InvalidResource)
, m_frag_shader(InvalidResource)
, m_depth_vert_shader(InvalidResource)
, m_depth_frag_shader(InvalidResource)
, m_tex_albedo(InvalidResource)
, m_tex_normal(InvalidResource)
, m_tex_roughness(InvalidResource)
, m_tex_metallic(InvalidResource)
, m_tex_env(InvalidResource)
, m_cull_mode(CullMode::BackFace)
, m_blending(false)
, m_casts_shadows(true)
{
m_vert_shader = make_resource("pbs.vert");
m_frag_shader = make_resource("pbs.frag");
m_depth_vert_shader = make_resource("sm_depth.vert");
m_depth_frag_shader = make_resource("sm_depth.frag");
create_env_brdf();
}
static int request_io_resource(unsigned long b, unsigned long n,
char *name, struct pci_dev *dev)
{
struct resource *res = make_resource(b, n, IORESOURCE_IO, name);
struct resource *pr = resource_parent(b, n, IORESOURCE_IO, dev);
int err = -ENOMEM;
if (res) {
err = request_resource(pr, res);
if (err)
kfree(res);
}
return err;
}
static struct resource * nonstatic_find_mem_region(u_long base, u_long num,
u_long align, int low, struct pcmcia_socket *s)
{
struct resource *res = make_resource(0, num, IORESOURCE_MEM, s->dev.class_id);
struct socket_data *s_data = s->resource_data;
struct pcmcia_align_data data;
unsigned long min, max;
int ret, i;
low = low || !(s->features & SS_CAP_PAGE_REGS);
data.mask = align - 1;
data.offset = base & data.mask;
data.map = &s_data->mem_db;
for (i = 0; i < 2; i++) {
if (low) {
max = 0x100000UL;
min = base < max ? base : 0;
} else {
max = ~0UL;
min = 0x100000UL + base;
}
down(&rsrc_sem);
#ifdef CONFIG_PCI
if (s->cb_dev) {
ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num,
1, min, 0,
pcmcia_align, &data);
} else
#endif
ret = allocate_resource(&iomem_resource, res, num, min,
max, 1, pcmcia_align, &data);
up(&rsrc_sem);
if (ret == 0 || low)
break;
low = 1;
}
if (ret != 0) {
kfree(res);
res = NULL;
}
return res;
}
static int request_mem_resource(unsigned long b, unsigned long n,
char *name, struct pci_dev *dev)
{
struct resource *res;
struct resource *pr;
int err = -ENOMEM;
b += ISAMEM_PHYS;
res = make_resource(b, n, IORESOURCE_MEM, name);
pr = resource_parent(b, n, IORESOURCE_MEM, dev);
if (res) {
err = request_resource(pr, res);
if (err)
kfree(res);
}
return err;
}
static struct resource *
claim_region(struct pcmcia_socket *s, unsigned long base, unsigned long size,
int type, char *name)
{
struct resource *res, *parent;
parent = type & IORESOURCE_MEM ? &iomem_resource : &ioport_resource;
res = make_resource(base, size, type | IORESOURCE_BUSY, name);
if (res) {
#ifdef CONFIG_PCI
if (s && s->cb_dev)
parent = pci_find_parent_resource(s->cb_dev, res);
#endif
if (!parent || request_resource(parent, res)) {
kfree(res);
res = NULL;
}
}
return res;
}