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#include "pipe/p_screen.h"
#include "util/u_simple_screen.h"
#include "nv20_context.h"
#include "nv20_screen.h"
static const char *
nv20_screen_get_name(struct pipe_screen *screen)
{
struct nv20_screen *nv20screen = nv20_screen(screen);
struct nouveau_device *dev = nv20screen->nvws->channel->device;
static char buffer[128];
snprintf(buffer, sizeof(buffer), "NV%02X", dev->chipset);
return buffer;
}
static const char *
nv20_screen_get_vendor(struct pipe_screen *screen)
{
return "nouveau";
}
static int
nv20_screen_get_param(struct pipe_screen *screen, int param)
{
switch (param) {
case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
return 2;
case PIPE_CAP_NPOT_TEXTURES:
return 0;
case PIPE_CAP_TWO_SIDED_STENCIL:
return 0;
case PIPE_CAP_GLSL:
return 0;
case PIPE_CAP_S3TC:
return 0;
case PIPE_CAP_ANISOTROPIC_FILTER:
return 1;
case PIPE_CAP_POINT_SPRITE:
return 0;
case PIPE_CAP_MAX_RENDER_TARGETS:
return 1;
case PIPE_CAP_OCCLUSION_QUERY:
return 0;
case PIPE_CAP_TEXTURE_SHADOW_MAP:
return 0;
case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
return 12;
case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
return 0;
case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
return 12;
case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
return 0;
case NOUVEAU_CAP_HW_VTXBUF:
case NOUVEAU_CAP_HW_IDXBUF:
return 0;
default:
NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
return 0;
}
}
static float
nv20_screen_get_paramf(struct pipe_screen *screen, int param)
{
switch (param) {
case PIPE_CAP_MAX_LINE_WIDTH:
case PIPE_CAP_MAX_LINE_WIDTH_AA:
return 10.0;
case PIPE_CAP_MAX_POINT_WIDTH:
case PIPE_CAP_MAX_POINT_WIDTH_AA:
return 64.0;
case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
return 2.0;
case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
return 4.0;
default:
NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
return 0.0;
}
}
static boolean
nv20_screen_is_format_supported(struct pipe_screen *screen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned tex_usage, unsigned geom_flags)
{
if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
switch (format) {
case PIPE_FORMAT_A8R8G8B8_UNORM:
case PIPE_FORMAT_R5G6B5_UNORM:
case PIPE_FORMAT_Z24S8_UNORM:
case PIPE_FORMAT_Z16_UNORM:
return TRUE;
default:
break;
}
} else {
switch (format) {
case PIPE_FORMAT_A8R8G8B8_UNORM:
case PIPE_FORMAT_A1R5G5B5_UNORM:
case PIPE_FORMAT_A4R4G4B4_UNORM:
case PIPE_FORMAT_R5G6B5_UNORM:
case PIPE_FORMAT_L8_UNORM:
case PIPE_FORMAT_A8_UNORM:
case PIPE_FORMAT_I8_UNORM:
return TRUE;
default:
break;
}
}
return FALSE;
}
static void *
nv20_surface_map(struct pipe_screen *screen, struct pipe_surface *surface,
unsigned flags )
{
struct pipe_winsys *ws = screen->winsys;
void *map;
struct nv20_miptree *nv20mt = (struct nv20_miptree *)surface->texture;
map = ws->buffer_map(ws, nv20mt->buffer, flags);
if (!map)
return NULL;
return map + surface->offset;
}
static void
nv20_surface_unmap(struct pipe_screen *screen, struct pipe_surface *surface)
{
struct pipe_winsys *ws = screen->winsys;
struct nv20_miptree *nv20mt = (struct nv20_miptree *)surface->texture;
ws->buffer_unmap(ws, nv20mt->buffer);
}
static void
nv20_screen_destroy(struct pipe_screen *pscreen)
{
struct nv20_screen *screen = nv20_screen(pscreen);
struct nouveau_winsys *nvws = screen->nvws;
nvws->notifier_free(&screen->sync);
nvws->grobj_free(&screen->kelvin);
FREE(pscreen);
}
static struct pipe_buffer *
nv20_surface_buffer(struct pipe_surface *surf)
{
struct nv20_miptree *mt = (struct nv20_miptree *)surf->texture;
return mt->buffer;
}
struct pipe_screen *
nv20_screen_create(struct pipe_winsys *ws, struct nouveau_winsys *nvws)
{
struct nv20_screen *screen = CALLOC_STRUCT(nv20_screen);
unsigned kelvin_class = 0;
unsigned chipset = nvws->channel->device->chipset;
int ret;
if (!screen)
return NULL;
screen->nvws = nvws;
/* 2D engine setup */
screen->eng2d = nv04_surface_2d_init(nvws);
screen->eng2d->buf = nv20_surface_buffer;
/* 3D object */
if (chipset >= 0x25)
kelvin_class = NV25TCL;
else if (chipset >= 0x20)
kelvin_class = NV20TCL;
if (!kelvin_class || chipset >= 0x30) {
NOUVEAU_ERR("Unknown nv2x chipset: nv%02x\n", chipset);
return NULL;
}
ret = nvws->grobj_alloc(nvws, kelvin_class, &screen->kelvin);
if (ret) {
NOUVEAU_ERR("Error creating 3D object: %d\n", ret);
return FALSE;
}
/* Notifier for sync purposes */
ret = nvws->notifier_alloc(nvws, 1, &screen->sync);
if (ret) {
NOUVEAU_ERR("Error creating notifier object: %d\n", ret);
nv20_screen_destroy(&screen->pipe);
return NULL;
}
screen->pipe.winsys = ws;
screen->pipe.destroy = nv20_screen_destroy;
screen->pipe.get_name = nv20_screen_get_name;
screen->pipe.get_vendor = nv20_screen_get_vendor;
screen->pipe.get_param = nv20_screen_get_param;
screen->pipe.get_paramf = nv20_screen_get_paramf;
screen->pipe.is_format_supported = nv20_screen_is_format_supported;
screen->pipe.surface_map = nv20_surface_map;
screen->pipe.surface_unmap = nv20_surface_unmap;
nv20_screen_init_miptree_functions(&screen->pipe);
u_simple_screen_init(&screen->pipe);
return &screen->pipe;
}
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