diff options
Diffstat (limited to 'src/gallium/drivers/nv10/nv10_screen.c')
| -rw-r--r-- | src/gallium/drivers/nv10/nv10_screen.c | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv10/nv10_screen.c b/src/gallium/drivers/nv10/nv10_screen.c new file mode 100644 index 0000000000..4469b22d91 --- /dev/null +++ b/src/gallium/drivers/nv10/nv10_screen.c @@ -0,0 +1,198 @@ +#include "pipe/p_screen.h" + +#include "nv10_context.h" +#include "nv10_screen.h" + +static int +nv10_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 PIPE_CAP_TGSI_CONT_SUPPORTED: + return 0; + case PIPE_CAP_BLEND_EQUATION_SEPARATE: + 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 +nv10_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 +nv10_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: + return TRUE; + default: + break; + } + } else + if (tex_usage & PIPE_TEXTURE_USAGE_DEPTH_STENCIL) { + switch (format) { + case PIPE_FORMAT_Z24S8_UNORM: + case PIPE_FORMAT_Z24X8_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 +nv10_screen_destroy(struct pipe_screen *pscreen) +{ + struct nv10_screen *screen = nv10_screen(pscreen); + + nouveau_notifier_free(&screen->sync); + nouveau_grobj_free(&screen->celsius); + + FREE(pscreen); +} + +static struct pipe_buffer * +nv10_surface_buffer(struct pipe_surface *surf) +{ + struct nv10_miptree *mt = (struct nv10_miptree *)surf->texture; + + return mt->buffer; +} + +struct pipe_screen * +nv10_screen_create(struct pipe_winsys *ws, struct nouveau_device *dev) +{ + struct nv10_screen *screen = CALLOC_STRUCT(nv10_screen); + struct nouveau_channel *chan; + struct pipe_screen *pscreen; + unsigned celsius_class; + int ret; + + if (!screen) + return NULL; + pscreen = &screen->base.base; + + ret = nouveau_screen_init(&screen->base, dev); + if (ret) { + nv10_screen_destroy(pscreen); + return NULL; + } + chan = screen->base.channel; + + pscreen->winsys = ws; + pscreen->destroy = nv10_screen_destroy; + pscreen->get_param = nv10_screen_get_param; + pscreen->get_paramf = nv10_screen_get_paramf; + pscreen->is_format_supported = nv10_screen_is_format_supported; + + nv10_screen_init_miptree_functions(pscreen); + nv10_screen_init_transfer_functions(pscreen); + + /* 3D object */ + if (dev->chipset >= 0x20) + celsius_class = NV11TCL; + else if (dev->chipset >= 0x17) + celsius_class = NV17TCL; + else if (dev->chipset >= 0x11) + celsius_class = NV11TCL; + else + celsius_class = NV10TCL; + + if (!celsius_class) { + NOUVEAU_ERR("Unknown nv1x chipset: nv%02x\n", dev->chipset); + return NULL; + } + + ret = nouveau_grobj_alloc(chan, 0xbeef0001, celsius_class, + &screen->celsius); + if (ret) { + NOUVEAU_ERR("Error creating 3D object: %d\n", ret); + return FALSE; + } + BIND_RING(chan, screen->celsius, 7); + + /* 2D engine setup */ + screen->eng2d = nv04_surface_2d_init(&screen->base); + screen->eng2d->buf = nv10_surface_buffer; + + /* Notifier for sync purposes */ + ret = nouveau_notifier_alloc(chan, 0xbeef0301, 1, &screen->sync); + if (ret) { + NOUVEAU_ERR("Error creating notifier object: %d\n", ret); + nv10_screen_destroy(pscreen); + return NULL; + } + + return pscreen; +} + |