diff options
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_context.c')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_context.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv50/nv50_context.c b/src/gallium/drivers/nv50/nv50_context.c new file mode 100644 index 0000000000..3c5a54bfd3 --- /dev/null +++ b/src/gallium/drivers/nv50/nv50_context.c @@ -0,0 +1,202 @@ +#include "draw/draw_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_winsys.h" +#include "pipe/p_util.h" + +#include "nv50_context.h" + +static boolean +nv50_is_format_supported(struct pipe_context *pipe, enum pipe_format format, + uint type) +{ + return FALSE; +} + +static const char * +nv50_get_name(struct pipe_context *pipe) +{ + struct nv50_context *nv50 = (struct nv50_context *)pipe; + static char buffer[128]; + + snprintf(buffer, sizeof(buffer), "NV%02X", nv50->chipset); + return buffer; +} + +static const char * +nv50_get_vendor(struct pipe_context *pipe) +{ + return "nouveau"; +} + +static int +nv50_get_param(struct pipe_context *pipe, int param) +{ + switch (param) { + case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS: + return 32; + case PIPE_CAP_NPOT_TEXTURES: + return 0; + case PIPE_CAP_TWO_SIDED_STENCIL: + return 1; + case PIPE_CAP_GLSL: + return 0; + case PIPE_CAP_S3TC: + return 0; + case PIPE_CAP_ANISOTROPIC_FILTER: + return 0; + case PIPE_CAP_POINT_SPRITE: + return 0; + case PIPE_CAP_MAX_RENDER_TARGETS: + return 8; + case PIPE_CAP_OCCLUSION_QUERY: + return 0; + case PIPE_CAP_TEXTURE_SHADOW_MAP: + return 0; + case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: + return 13; + case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: + return 10; + case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: + return 13; + default: + NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param); + return 0; + } +} + +static float +nv50_get_paramf(struct pipe_context *pipe, 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 16.0; + case PIPE_CAP_MAX_TEXTURE_LOD_BIAS: + return 4.0; + default: + NOUVEAU_ERR("Unknown PIPE_CAP %d\n", param); + return 0.0; + } +} + +static void +nv50_flush(struct pipe_context *pipe, unsigned flags) +{ + struct nv50_context *nv50 = (struct nv50_context *)pipe; + struct nouveau_winsys *nvws = nv50->nvws; + + if (flags & PIPE_FLUSH_WAIT) { + nvws->notifier_reset(nv50->sync, 0); + BEGIN_RING(tesla, 0x104, 1); + OUT_RING (0); + BEGIN_RING(tesla, 0x100, 1); + OUT_RING (0); + } + + FIRE_RING(); + + if (flags & PIPE_FLUSH_WAIT) + nvws->notifier_wait(nv50->sync, 0, 0, 2000); +} + +static void +nv50_destroy(struct pipe_context *pipe) +{ + struct nv50_context *nv50 = (struct nv50_context *)pipe; + + draw_destroy(nv50->draw); + free(nv50); +} + +static boolean +nv50_init_hwctx(struct nv50_context *nv50, int tesla_class) +{ + struct nouveau_winsys *nvws = nv50->nvws; + int ret; + + if ((ret = nvws->grobj_alloc(nvws, tesla_class, &nv50->tesla))) { + NOUVEAU_ERR("Error creating 3D object: %d\n", ret); + return FALSE; + } + + BEGIN_RING(tesla, NV50TCL_DMA_NOTIFY, 1); + OUT_RING (nv50->sync->handle); + + FIRE_RING (); + return TRUE; +} + +#define GRCLASS5097_CHIPSETS 0x00000000 +#define GRCLASS8297_CHIPSETS 0x00000010 +struct pipe_context * +nv50_create(struct pipe_winsys *pipe_winsys, struct nouveau_winsys *nvws, + unsigned chipset) +{ + struct nv50_context *nv50; + int tesla_class, ret; + + if ((chipset & 0xf0) != 0x50 && (chipset & 0xf0) != 0x80) { + NOUVEAU_ERR("Not a G8x chipset\n"); + return NULL; + } + + if (GRCLASS5097_CHIPSETS & (1 << (chipset & 0x0f))) { + tesla_class = 0x5097; + } else + if (GRCLASS8297_CHIPSETS & (1 << (chipset & 0x0f))) { + tesla_class = 0x8297; + } else { + NOUVEAU_ERR("Unknown G8x chipset: NV%02x\n", chipset); + return NULL; + } + + nv50 = CALLOC_STRUCT(nv50_context); + if (!nv50) + return NULL; + nv50->chipset = chipset; + nv50->nvws = nvws; + + if ((ret = nvws->notifier_alloc(nvws, 1, &nv50->sync))) { + NOUVEAU_ERR("Error creating notifier object: %d\n", ret); + free(nv50); + return NULL; + } + + if (!nv50_init_hwctx(nv50, tesla_class)) { + free(nv50); + return NULL; + } + + nv50->pipe.winsys = pipe_winsys; + + nv50->pipe.destroy = nv50_destroy; + nv50->pipe.is_format_supported = nv50_is_format_supported; + nv50->pipe.get_name = nv50_get_name; + nv50->pipe.get_vendor = nv50_get_vendor; + nv50->pipe.get_param = nv50_get_param; + nv50->pipe.get_paramf = nv50_get_paramf; + + nv50->pipe.draw_arrays = nv50_draw_arrays; + nv50->pipe.draw_elements = nv50_draw_elements; + nv50->pipe.clear = nv50_clear; + + nv50->pipe.flush = nv50_flush; + + nv50_init_miptree_functions(nv50); + nv50_init_surface_functions(nv50); + nv50_init_state_functions(nv50); + nv50_init_query_functions(nv50); + + nv50->draw = draw_create(); + assert(nv50->draw); + draw_set_rasterize_stage(nv50->draw, nv50_draw_render_stage(nv50)); + + return &nv50->pipe; +} + + |