src/gallium/drivers/nv04/nv04_screen.c

   1 #include "pipe/p_screen.h"
   2 #include "pipe/p_inlines.h"
   3
   4 #include "nv04_context.h"
   5 #include "nv04_screen.h"
   6
   7 static int
   8 nv04_screen_get_param(struct pipe_screen *screen, int param)
   9 {
  10         switch (param) {
  11         case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
  12                 return 1;
  13         case PIPE_CAP_NPOT_TEXTURES:
  14                 return 0;
  15         case PIPE_CAP_TWO_SIDED_STENCIL:
  16                 return 0;
  17         case PIPE_CAP_GLSL:
  18                 return 0;
  19         case PIPE_CAP_S3TC:
  20                 return 0;
  21         case PIPE_CAP_ANISOTROPIC_FILTER:
  22                 return 0;
  23         case PIPE_CAP_POINT_SPRITE:
  24                 return 0;
  25         case PIPE_CAP_MAX_RENDER_TARGETS:
  26                 return 1;
  27         case PIPE_CAP_OCCLUSION_QUERY:
  28                 return 0;
  29         case PIPE_CAP_TEXTURE_SHADOW_MAP:
  30                 return 0;
  31         case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
  32                 return 10;
  33         case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
  34                 return 0;
  35         case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
  36                 return 0;
  37         case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
  38                 return 0;
  39         case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
  40                 return 0;
  41         case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
  42                 return 1;
  43         case NOUVEAU_CAP_HW_VTXBUF:
  44         case NOUVEAU_CAP_HW_IDXBUF:
  45                 return 0;
  46         default:
  47                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
  48                 return 0;
  49         }
  50 }
  51
  52 static float
  53 nv04_screen_get_paramf(struct pipe_screen *screen, int param)
  54 {
  55         switch (param) {
  56         case PIPE_CAP_MAX_LINE_WIDTH:
  57         case PIPE_CAP_MAX_LINE_WIDTH_AA:
  58                 return 0.0;
  59         case PIPE_CAP_MAX_POINT_WIDTH:
  60         case PIPE_CAP_MAX_POINT_WIDTH_AA:
  61                 return 0.0;
  62         case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
  63                 return 0.0;
  64         case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
  65                 return 0.0;
  66         default:
  67                 NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param);
  68                 return 0.0;
  69         }
  70 }
  71
  72 static boolean
  73 nv04_screen_is_format_supported(struct pipe_screen *screen,
  74                                 enum pipe_format format,
  75                                 enum pipe_texture_target target,
  76                                 unsigned tex_usage, unsigned geom_flags)
  77 {
  78         if (tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET) {
  79                 switch (format) {
  80                 case PIPE_FORMAT_A8R8G8B8_UNORM:
  81                 case PIPE_FORMAT_R5G6B5_UNORM:
  82                 case PIPE_FORMAT_Z16_UNORM:
  83                         return TRUE;
  84                 default:
  85                         break;
  86                 }
  87         } else {
  88                 switch (format) {
  89                 case PIPE_FORMAT_A8R8G8B8_UNORM:
  90                 case PIPE_FORMAT_X8R8G8B8_UNORM:
  91                 case PIPE_FORMAT_A1R5G5B5_UNORM:
  92                 case PIPE_FORMAT_R5G6B5_UNORM:
  93                 case PIPE_FORMAT_L8_UNORM:
  94                 case PIPE_FORMAT_A8_UNORM:
  95                         return TRUE;
  96                 default:
  97                         break;
  98                 }
  99         }
 100
 101         return FALSE;
 102 }
 103
 104 static void
 105 nv04_screen_destroy(struct pipe_screen *pscreen)
 106 {
 107         struct nv04_screen *screen = nv04_screen(pscreen);
 108         struct nouveau_winsys *nvws = screen->nvws;
 109
 110         nvws->notifier_free(&screen->sync);
 111         nvws->grobj_free(&screen->fahrenheit);
 112         nv04_surface_2d_takedown(&screen->eng2d);
 113
 114         FREE(pscreen);
 115 }
 116
 117 static struct pipe_buffer *
 118 nv04_surface_buffer(struct pipe_surface *surf)
 119 {
 120         struct nv04_miptree *mt = (struct nv04_miptree *)surf->texture;
 121
 122         return mt->buffer;
 123 }
 124
 125 struct pipe_screen *
 126 nv04_screen_create(struct pipe_winsys *ws, struct nouveau_winsys *nvws)
 127 {
 128         struct nv04_screen *screen = CALLOC_STRUCT(nv04_screen);
 129         struct nouveau_device *dev = nvws->channel->device;
 130         struct pipe_screen *pscreen;
 131         unsigned fahrenheit_class = 0, sub3d_class = 0;
 132         int ret;
 133
 134         if (!screen)
 135                 return NULL;
 136         pscreen = &screen->base.base;
 137
 138         screen->nvws = nvws;
 139
 140         pscreen->winsys = ws;
 141         pscreen->destroy = nv04_screen_destroy;
 142         pscreen->get_param = nv04_screen_get_param;
 143         pscreen->get_paramf = nv04_screen_get_paramf;
 144         pscreen->is_format_supported = nv04_screen_is_format_supported;
 145
 146         nv04_screen_init_miptree_functions(pscreen);
 147         nv04_screen_init_transfer_functions(pscreen);
 148         nouveau_screen_init(&screen->base, dev);
 149
 150         if (dev->chipset >= 0x20) {
 151                 fahrenheit_class = 0;
 152                 sub3d_class = 0;
 153         } else if (dev->chipset >= 0x10) {
 154                 fahrenheit_class = NV10_DX5_TEXTURED_TRIANGLE;
 155                 sub3d_class = NV10_CONTEXT_SURFACES_3D;
 156         } else {
 157                 fahrenheit_class=NV04_DX5_TEXTURED_TRIANGLE;
 158                 sub3d_class = NV04_CONTEXT_SURFACES_3D;
 159         }
 160
 161         if (!fahrenheit_class) {
 162                 NOUVEAU_ERR("Unknown nv04 chipset: nv%02x\n", dev->chipset);
 163                 return NULL;
 164         }
 165
 166         /* 2D engine setup */
 167         screen->eng2d = nv04_surface_2d_init(nvws);
 168         screen->eng2d->buf = nv04_surface_buffer;
 169
 170         /* 3D object */
 171         ret = nvws->grobj_alloc(nvws, fahrenheit_class, &screen->fahrenheit);
 172         if (ret) {
 173                 NOUVEAU_ERR("Error creating 3D object: %d\n", ret);
 174                 return NULL;
 175         }
 176
 177         /* 3D surface object */
 178         ret = nvws->grobj_alloc(nvws, sub3d_class, &screen->context_surfaces_3d);
 179         if (ret) {
 180                 NOUVEAU_ERR("Error creating 3D surface object: %d\n", ret);
 181                 return NULL;
 182         }
 183
 184         /* Notifier for sync purposes */
 185         ret = nvws->notifier_alloc(nvws, 1, &screen->sync);
 186         if (ret) {
 187                 NOUVEAU_ERR("Error creating notifier object: %d\n", ret);
 188                 nv04_screen_destroy(pscreen);
 189                 return NULL;
 190         }
 191
 192         return pscreen;
 193 }
 194