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path: root/src/gallium/drivers/nv20/nv20_screen.c
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Diffstat (limited to 'src/gallium/drivers/nv20/nv20_screen.c')
-rw-r--r--src/gallium/drivers/nv20/nv20_screen.c208
1 files changed, 208 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv20/nv20_screen.c b/src/gallium/drivers/nv20/nv20_screen.c
new file mode 100644
index 0000000000..b7f5ea8512
--- /dev/null
+++ b/src/gallium/drivers/nv20/nv20_screen.c
@@ -0,0 +1,208 @@
+#include "pipe/p_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 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;
+
+ map = ws->buffer_map(ws, surface->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;
+
+ ws->buffer_unmap(ws, surface->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);
+}
+
+struct pipe_screen *
+nv20_screen_create(struct pipe_winsys *ws, struct nouveau_winsys *nvws)
+{
+ struct nv20_screen *screen = CALLOC_STRUCT(nv20_screen);
+ unsigned celsius_class;
+ unsigned chipset = nvws->channel->device->chipset;
+ int ret;
+
+ if (!screen)
+ return NULL;
+ screen->nvws = nvws;
+
+ /* 3D object */
+ if (chipset>=0x20)
+ celsius_class=NV11TCL;
+ else if (chipset>=0x17)
+ celsius_class=NV17TCL;
+ else if (chipset>=0x11)
+ celsius_class=NV11TCL;
+ else
+ celsius_class=NV10TCL;
+
+ if (!celsius_class) {
+ NOUVEAU_ERR("Unknown nv1x chipset: nv%02x\n", chipset);
+ return NULL;
+ }
+
+ ret = nvws->grobj_alloc(nvws, celsius_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);
+
+ return &screen->pipe;
+}
+