diff options
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_surface.c')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_surface.c | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv50/nv50_surface.c b/src/gallium/drivers/nv50/nv50_surface.c new file mode 100644 index 00000000000..f2dd2eb30be --- /dev/null +++ b/src/gallium/drivers/nv50/nv50_surface.c @@ -0,0 +1,230 @@ +/* + * Copyright 2008 Ben Skeggs + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#define __NOUVEAU_PUSH_H__ +#include <stdint.h> +#include "nouveau/nouveau_pushbuf.h" +#include "nv50_context.h" +#include "pipe/p_defines.h" +#include "pipe/internal/p_winsys_screen.h" +#include "pipe/p_inlines.h" + +#include "util/u_tile.h" + +static INLINE int +nv50_format(enum pipe_format format) +{ + switch (format) { + case PIPE_FORMAT_A8R8G8B8_UNORM: + case PIPE_FORMAT_Z24S8_UNORM: + return NV50_2D_DST_FORMAT_32BPP; + case PIPE_FORMAT_X8R8G8B8_UNORM: + return NV50_2D_DST_FORMAT_24BPP; + case PIPE_FORMAT_R5G6B5_UNORM: + return NV50_2D_DST_FORMAT_16BPP; + case PIPE_FORMAT_A8_UNORM: + return NV50_2D_DST_FORMAT_8BPP; + default: + return -1; + } +} + +static int +nv50_surface_set(struct nv50_screen *screen, struct pipe_surface *ps, int dst) +{ + struct nouveau_channel *chan = screen->nvws->channel; + struct nouveau_grobj *eng2d = screen->eng2d; + struct nouveau_bo *bo; + int format, mthd = dst ? NV50_2D_DST_FORMAT : NV50_2D_SRC_FORMAT; + int flags = NOUVEAU_BO_VRAM | (dst ? NOUVEAU_BO_WR : NOUVEAU_BO_RD); + + bo = screen->nvws->get_bo(nv50_miptree(ps->texture)->buffer); + if (!bo) + return 1; + + format = nv50_format(ps->format); + if (format < 0) + return 1; + + if (!bo->tiled) { + BEGIN_RING(chan, eng2d, mthd, 2); + OUT_RING (chan, format); + OUT_RING (chan, 1); + BEGIN_RING(chan, eng2d, mthd + 0x14, 5); + OUT_RING (chan, ps->stride); + OUT_RING (chan, ps->width); + OUT_RING (chan, ps->height); + OUT_RELOCh(chan, bo, ps->offset, flags); + OUT_RELOCl(chan, bo, ps->offset, flags); + } else { + BEGIN_RING(chan, eng2d, mthd, 5); + OUT_RING (chan, format); + OUT_RING (chan, 0); + OUT_RING (chan, 0); + OUT_RING (chan, 1); + OUT_RING (chan, 0); + BEGIN_RING(chan, eng2d, mthd + 0x18, 4); + OUT_RING (chan, ps->width); + OUT_RING (chan, ps->height); + OUT_RELOCh(chan, bo, ps->offset, flags); + OUT_RELOCl(chan, bo, ps->offset, flags); + } + +#if 0 + if (dst) { + BEGIN_RING(chan, eng2d, NV50_2D_CLIP_X, 4); + OUT_RING (chan, 0); + OUT_RING (chan, 0); + OUT_RING (chan, surf->width); + OUT_RING (chan, surf->height); + } +#endif + + return 0; +} + +int +nv50_surface_do_copy(struct nv50_screen *screen, struct pipe_surface *dst, + int dx, int dy, struct pipe_surface *src, int sx, int sy, + int w, int h) +{ + struct nouveau_channel *chan = screen->nvws->channel; + struct nouveau_grobj *eng2d = screen->eng2d; + int ret; + + WAIT_RING (chan, 32); + + ret = nv50_surface_set(screen, dst, 1); + if (ret) + return ret; + + ret = nv50_surface_set(screen, src, 0); + if (ret) + return ret; + + BEGIN_RING(chan, eng2d, 0x088c, 1); + OUT_RING (chan, 0); + BEGIN_RING(chan, eng2d, NV50_2D_BLIT_DST_X, 4); + OUT_RING (chan, dx); + OUT_RING (chan, dy); + OUT_RING (chan, w); + OUT_RING (chan, h); + BEGIN_RING(chan, eng2d, 0x08c0, 4); + OUT_RING (chan, 0); + OUT_RING (chan, 1); + OUT_RING (chan, 0); + OUT_RING (chan, 1); + BEGIN_RING(chan, eng2d, 0x08d0, 4); + OUT_RING (chan, 0); + OUT_RING (chan, sx); + OUT_RING (chan, 0); + OUT_RING (chan, sy); + + return 0; +} + +static void +nv50_surface_copy(struct pipe_context *pipe, boolean flip, + struct pipe_surface *dest, unsigned destx, unsigned desty, + struct pipe_surface *src, unsigned srcx, unsigned srcy, + unsigned width, unsigned height) +{ + struct nv50_context *nv50 = (struct nv50_context *)pipe; + struct nv50_screen *screen = nv50->screen; + + assert(src->format == dest->format); + + if (flip) { + desty += height; + while (height--) { + nv50_surface_do_copy(screen, dest, destx, desty--, src, + srcx, srcy++, width, 1); + } + } else { + nv50_surface_do_copy(screen, dest, destx, desty, src, srcx, + srcy, width, height); + } +} + +static void +nv50_surface_fill(struct pipe_context *pipe, struct pipe_surface *dest, + unsigned destx, unsigned desty, unsigned width, + unsigned height, unsigned value) +{ + struct nv50_context *nv50 = (struct nv50_context *)pipe; + struct nv50_screen *screen = nv50->screen; + struct nouveau_channel *chan = screen->nvws->channel; + struct nouveau_grobj *eng2d = screen->eng2d; + int format, ret; + + format = nv50_format(dest->format); + if (format < 0) + return; + + WAIT_RING (chan, 32); + + ret = nv50_surface_set(screen, dest, 1); + if (ret) + return; + + BEGIN_RING(chan, eng2d, 0x0580, 3); + OUT_RING (chan, 4); + OUT_RING (chan, format); + OUT_RING (chan, value); + BEGIN_RING(chan, eng2d, NV50_2D_RECT_X1, 4); + OUT_RING (chan, destx); + OUT_RING (chan, desty); + OUT_RING (chan, width); + OUT_RING (chan, height); +} + +static void * +nv50_surface_map(struct pipe_screen *screen, struct pipe_surface *ps, + unsigned flags ) +{ + struct pipe_winsys *ws = screen->winsys; + + return ws->buffer_map(ws, nv50_surface_buffer(ps), flags); +} + +static void +nv50_surface_unmap(struct pipe_screen *pscreen, struct pipe_surface *ps) +{ + struct pipe_winsys *ws = pscreen->winsys; + + ws->buffer_unmap(ws, nv50_surface_buffer(ps)); +} + +void +nv50_init_surface_functions(struct nv50_context *nv50) +{ + nv50->pipe.surface_copy = nv50_surface_copy; + nv50->pipe.surface_fill = nv50_surface_fill; +} + +void +nv50_surface_init_screen_functions(struct pipe_screen *pscreen) +{ + pscreen->surface_map = nv50_surface_map; + pscreen->surface_unmap = nv50_surface_unmap; +} + |