diff options
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_vbo.c')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_vbo.c | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv50/nv50_vbo.c b/src/gallium/drivers/nv50/nv50_vbo.c new file mode 100644 index 00000000000..584336682e4 --- /dev/null +++ b/src/gallium/drivers/nv50/nv50_vbo.c @@ -0,0 +1,237 @@ +/* + * 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. + */ + +#include "pipe/p_context.h" +#include "pipe/p_state.h" + +#include "nv50_context.h" + +static INLINE unsigned +nv50_prim(unsigned mode) +{ + switch (mode) { + case PIPE_PRIM_POINTS: return NV50TCL_VERTEX_BEGIN_POINTS; + case PIPE_PRIM_LINES: return NV50TCL_VERTEX_BEGIN_LINES; + case PIPE_PRIM_LINE_LOOP: return NV50TCL_VERTEX_BEGIN_LINE_LOOP; + case PIPE_PRIM_LINE_STRIP: return NV50TCL_VERTEX_BEGIN_LINE_STRIP; + case PIPE_PRIM_TRIANGLES: return NV50TCL_VERTEX_BEGIN_TRIANGLES; + case PIPE_PRIM_TRIANGLE_STRIP: + return NV50TCL_VERTEX_BEGIN_TRIANGLE_STRIP; + case PIPE_PRIM_TRIANGLE_FAN: return NV50TCL_VERTEX_BEGIN_TRIANGLE_FAN; + case PIPE_PRIM_QUADS: return NV50TCL_VERTEX_BEGIN_QUADS; + case PIPE_PRIM_QUAD_STRIP: return NV50TCL_VERTEX_BEGIN_QUAD_STRIP; + case PIPE_PRIM_POLYGON: return NV50TCL_VERTEX_BEGIN_POLYGON; + default: + break; + } + + NOUVEAU_ERR("invalid primitive type %d\n", mode); + return NV50TCL_VERTEX_BEGIN_POINTS; +} + +boolean +nv50_draw_arrays(struct pipe_context *pipe, unsigned mode, unsigned start, + unsigned count) +{ + struct nv50_context *nv50 = nv50_context(pipe); + + nv50_state_validate(nv50); + + BEGIN_RING(tesla, 0x142c, 1); + OUT_RING (0); + BEGIN_RING(tesla, 0x142c, 1); + OUT_RING (0); + + BEGIN_RING(tesla, NV50TCL_VERTEX_BEGIN, 1); + OUT_RING (nv50_prim(mode)); + BEGIN_RING(tesla, NV50TCL_VERTEX_BUFFER_FIRST, 2); + OUT_RING (start); + OUT_RING (count); + BEGIN_RING(tesla, NV50TCL_VERTEX_END, 1); + OUT_RING (0); + + pipe->flush(pipe, 0, NULL); + return TRUE; +} + +static INLINE void +nv50_draw_elements_inline_u08(struct nv50_context *nv50, uint8_t *map, + unsigned start, unsigned count) +{ + map += start; + + if (count & 1) { + BEGIN_RING(tesla, 0x15e8, 1); + OUT_RING (map[0]); + map++; + count--; + } + + while (count) { + unsigned nr = count > 2046 ? 2046 : count; + int i; + + BEGIN_RING(tesla, 0x400015f0, nr >> 1); + for (i = 0; i < nr; i += 2) + OUT_RING ((map[1] << 16) | map[0]); + + count -= nr; + map += nr; + } +} + +static INLINE void +nv50_draw_elements_inline_u16(struct nv50_context *nv50, uint16_t *map, + unsigned start, unsigned count) +{ + map += start; + + if (count & 1) { + BEGIN_RING(tesla, 0x15e8, 1); + OUT_RING (map[0]); + map++; + count--; + } + + while (count) { + unsigned nr = count > 2046 ? 2046 : count; + int i; + + BEGIN_RING(tesla, 0x400015f0, nr >> 1); + for (i = 0; i < nr; i += 2) + OUT_RING ((map[1] << 16) | map[0]); + + count -= nr; + map += nr; + } +} + +static INLINE void +nv50_draw_elements_inline_u32(struct nv50_context *nv50, uint8_t *map, + unsigned start, unsigned count) +{ + map += start; + + while (count) { + unsigned nr = count > 2047 ? 2047 : count; + + BEGIN_RING(tesla, 0x400015e8, nr); + OUT_RINGp (map, nr); + + count -= nr; + map += nr; + } +} + +boolean +nv50_draw_elements(struct pipe_context *pipe, + struct pipe_buffer *indexBuffer, unsigned indexSize, + unsigned mode, unsigned start, unsigned count) +{ + struct nv50_context *nv50 = nv50_context(pipe); + struct pipe_winsys *ws = pipe->winsys; + void *map = ws->buffer_map(ws, indexBuffer, PIPE_BUFFER_USAGE_CPU_READ); + + nv50_state_validate(nv50); + + BEGIN_RING(tesla, 0x142c, 1); + OUT_RING (0); + BEGIN_RING(tesla, 0x142c, 1); + OUT_RING (0); + + BEGIN_RING(tesla, NV50TCL_VERTEX_BEGIN, 1); + OUT_RING (nv50_prim(mode)); + switch (indexSize) { + case 1: + nv50_draw_elements_inline_u08(nv50, map, start, count); + break; + case 2: + nv50_draw_elements_inline_u16(nv50, map, start, count); + break; + case 4: + nv50_draw_elements_inline_u32(nv50, map, start, count); + break; + default: + assert(0); + } + BEGIN_RING(tesla, NV50TCL_VERTEX_END, 1); + OUT_RING (0); + + pipe->flush(pipe, 0, NULL); + return TRUE; +} + +void +nv50_vbo_validate(struct nv50_context *nv50) +{ + struct nouveau_grobj *tesla = nv50->screen->tesla; + struct nouveau_stateobj *vtxbuf, *vtxfmt; + int i, vpi = 0; + + vtxbuf = so_new(nv50->vtxelt_nr * 4, nv50->vtxelt_nr * 2); + vtxfmt = so_new(nv50->vtxelt_nr + 1, 0); + so_method(vtxfmt, tesla, 0x1ac0, nv50->vtxelt_nr); + + for (i = 0; i < nv50->vtxelt_nr; i++) { + struct pipe_vertex_element *ve = &nv50->vtxelt[i]; + struct pipe_vertex_buffer *vb = + &nv50->vtxbuf[ve->vertex_buffer_index]; + + switch (ve->src_format) { + case PIPE_FORMAT_R32G32B32A32_FLOAT: + so_data(vtxfmt, 0x7e080000 | i); + break; + case PIPE_FORMAT_R32G32B32_FLOAT: + so_data(vtxfmt, 0x7e100000 | i); + break; + case PIPE_FORMAT_R32G32_FLOAT: + so_data(vtxfmt, 0x7e200000 | i); + break; + case PIPE_FORMAT_R32_FLOAT: + so_data(vtxfmt, 0x7e900000 | i); + break; + case PIPE_FORMAT_R8G8B8A8_UNORM: + so_data(vtxfmt, 0x24500000 | i); + break; + default: + { + NOUVEAU_ERR("invalid vbo format %s\n", + pf_name(ve->src_format)); + assert(0); + return; + } + } + + so_method(vtxbuf, tesla, 0x900 + (i * 16), 3); + so_data (vtxbuf, 0x20000000 | vb->pitch); + so_reloc (vtxbuf, vb->buffer, vb->buffer_offset + + ve->src_offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | + NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0); + so_reloc (vtxbuf, vb->buffer, vb->buffer_offset + + ve->src_offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | + NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0); + } + + so_ref (vtxfmt, &nv50->state.vtxfmt); + so_ref (vtxbuf, &nv50->state.vtxbuf); +} + |