diff options
Diffstat (limited to 'src/gallium/drivers/nv50/nv50_vbo.c')
| -rw-r--r-- | src/gallium/drivers/nv50/nv50_vbo.c | 400 |
1 files changed, 400 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 0000000000..eeed148c7b --- /dev/null +++ b/src/gallium/drivers/nv50/nv50_vbo.c @@ -0,0 +1,400 @@ +/* + * 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 "pipe/p_inlines.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; +} + +static INLINE uint32_t +nv50_vbo_type_to_hw(unsigned type) +{ + switch (type) { + case PIPE_FORMAT_TYPE_FLOAT: + return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_FLOAT; + case PIPE_FORMAT_TYPE_UNORM: + return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_UNORM; + case PIPE_FORMAT_TYPE_SNORM: + return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_SNORM; + case PIPE_FORMAT_TYPE_USCALED: + return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_USCALED; + case PIPE_FORMAT_TYPE_SSCALED: + return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_SSCALED; + /* + case PIPE_FORMAT_TYPE_UINT: + return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_UINT; + case PIPE_FORMAT_TYPE_SINT: + return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_SINT; */ + default: + return 0; + } +} + +static INLINE uint32_t +nv50_vbo_size_to_hw(unsigned size, unsigned nr_c) +{ + static const uint32_t hw_values[] = { + 0, 0, 0, 0, + NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_8, + NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_8_8, + NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_8_8_8, + NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_8_8_8_8, + NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_16, + NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_16_16, + NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_16_16_16, + NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_16_16_16_16, + 0, 0, 0, 0, + NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_32, + NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_32_32, + NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_32_32_32, + NV50TCL_VERTEX_ARRAY_ATTRIB_SIZE_32_32_32_32 }; + + /* we'd also have R11G11B10 and R10G10B10A2 */ + + assert(nr_c > 0 && nr_c <= 4); + + if (size > 32) + return 0; + size >>= (3 - 2); + + return hw_values[size + (nr_c - 1)]; +} + +static INLINE uint32_t +nv50_vbo_vtxelt_to_hw(struct pipe_vertex_element *ve) +{ + uint32_t hw_type, hw_size; + enum pipe_format pf = ve->src_format; + unsigned size = pf_size_x(pf) << pf_exp2(pf); + + hw_type = nv50_vbo_type_to_hw(pf_type(pf)); + hw_size = nv50_vbo_size_to_hw(size, ve->nr_components); + + if (!hw_type || !hw_size) { + NOUVEAU_ERR("unsupported vbo format: %s\n", pf_name(pf)); + abort(); + return 0x24e80000; + } + + if (pf_swizzle_x(pf) == 2) /* BGRA */ + hw_size |= (1 << 31); /* no real swizzle bits :-( */ + + return (hw_type | hw_size); +} + +boolean +nv50_draw_arrays(struct pipe_context *pipe, unsigned mode, unsigned start, + unsigned count) +{ + struct nv50_context *nv50 = nv50_context(pipe); + struct nouveau_channel *chan = nv50->screen->tesla->channel; + struct nouveau_grobj *tesla = nv50->screen->tesla; + + nv50_state_validate(nv50); + + BEGIN_RING(chan, tesla, 0x142c, 1); + OUT_RING (chan, 0); + BEGIN_RING(chan, tesla, 0x142c, 1); + OUT_RING (chan, 0); + BEGIN_RING(chan, tesla, 0x1440, 1); + OUT_RING (chan, 0); + BEGIN_RING(chan, tesla, 0x1334, 1); + OUT_RING (chan, 0); + + BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BEGIN, 1); + OUT_RING (chan, nv50_prim(mode)); + BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BUFFER_FIRST, 2); + OUT_RING (chan, start); + OUT_RING (chan, count); + BEGIN_RING(chan, tesla, NV50TCL_VERTEX_END, 1); + OUT_RING (chan, 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) +{ + struct nouveau_channel *chan = nv50->screen->tesla->channel; + struct nouveau_grobj *tesla = nv50->screen->tesla; + + map += start; + + if (count & 1) { + BEGIN_RING(chan, tesla, 0x15e8, 1); + OUT_RING (chan, map[0]); + map++; + count--; + } + + while (count) { + unsigned nr = count > 2046 ? 2046 : count; + int i; + + BEGIN_RING(chan, tesla, 0x400015f0, nr >> 1); + for (i = 0; i < nr; i += 2) + OUT_RING (chan, (map[i + 1] << 16) | map[i]); + + count -= nr; + map += nr; + } +} + +static INLINE void +nv50_draw_elements_inline_u16(struct nv50_context *nv50, uint16_t *map, + unsigned start, unsigned count) +{ + struct nouveau_channel *chan = nv50->screen->tesla->channel; + struct nouveau_grobj *tesla = nv50->screen->tesla; + + map += start; + + if (count & 1) { + BEGIN_RING(chan, tesla, 0x15e8, 1); + OUT_RING (chan, map[0]); + map++; + count--; + } + + while (count) { + unsigned nr = count > 2046 ? 2046 : count; + int i; + + BEGIN_RING(chan, tesla, 0x400015f0, nr >> 1); + for (i = 0; i < nr; i += 2) + OUT_RING (chan, (map[i + 1] << 16) | map[i]); + + count -= nr; + map += nr; + } +} + +static INLINE void +nv50_draw_elements_inline_u32(struct nv50_context *nv50, uint32_t *map, + unsigned start, unsigned count) +{ + struct nouveau_channel *chan = nv50->screen->tesla->channel; + struct nouveau_grobj *tesla = nv50->screen->tesla; + + map += start; + + while (count) { + unsigned nr = count > 2047 ? 2047 : count; + + BEGIN_RING(chan, tesla, 0x400015e8, nr); + OUT_RINGp (chan, 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 nouveau_channel *chan = nv50->screen->tesla->channel; + struct nouveau_grobj *tesla = nv50->screen->tesla; + struct pipe_screen *pscreen = pipe->screen; + void *map; + + map = pipe_buffer_map(pscreen, indexBuffer, PIPE_BUFFER_USAGE_CPU_READ); + + nv50_state_validate(nv50); + + BEGIN_RING(chan, tesla, 0x142c, 1); + OUT_RING (chan, 0); + BEGIN_RING(chan, tesla, 0x142c, 1); + OUT_RING (chan, 0); + + BEGIN_RING(chan, tesla, NV50TCL_VERTEX_BEGIN, 1); + OUT_RING (chan, 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(chan, tesla, NV50TCL_VERTEX_END, 1); + OUT_RING (chan, 0); + + pipe_buffer_unmap(pscreen, indexBuffer); + pipe->flush(pipe, 0, NULL); + return TRUE; +} + +static INLINE boolean +nv50_vbo_static_attrib(struct nv50_context *nv50, unsigned attrib, + struct nouveau_stateobj **pso, + struct pipe_vertex_element *ve, + struct pipe_vertex_buffer *vb) + +{ + struct nouveau_stateobj *so; + struct nouveau_grobj *tesla = nv50->screen->tesla; + struct nouveau_bo *bo = nouveau_bo(vb->buffer); + float *v; + int ret; + enum pipe_format pf = ve->src_format; + + if ((pf_type(pf) != PIPE_FORMAT_TYPE_FLOAT) || + (pf_size_x(pf) << pf_exp2(pf)) != 32) + return FALSE; + + ret = nouveau_bo_map(bo, NOUVEAU_BO_RD); + if (ret) + return FALSE; + v = (float *)(bo->map + (vb->buffer_offset + ve->src_offset)); + + so = *pso; + if (!so) + *pso = so = so_new(nv50->vtxelt_nr * 5, 0); + + switch (ve->nr_components) { + case 4: + so_method(so, tesla, NV50TCL_VTX_ATTR_4F_X(attrib), 4); + so_data (so, fui(v[0])); + so_data (so, fui(v[1])); + so_data (so, fui(v[2])); + so_data (so, fui(v[3])); + break; + case 3: + so_method(so, tesla, NV50TCL_VTX_ATTR_3F_X(attrib), 3); + so_data (so, fui(v[0])); + so_data (so, fui(v[1])); + so_data (so, fui(v[2])); + break; + case 2: + so_method(so, tesla, NV50TCL_VTX_ATTR_2F_X(attrib), 2); + so_data (so, fui(v[0])); + so_data (so, fui(v[1])); + break; + case 1: + so_method(so, tesla, NV50TCL_VTX_ATTR_1F(attrib), 1); + so_data (so, fui(v[0])); + break; + default: + nouveau_bo_unmap(bo); + return FALSE; + } + + nouveau_bo_unmap(bo); + return TRUE; +} + +void +nv50_vbo_validate(struct nv50_context *nv50) +{ + struct nouveau_grobj *tesla = nv50->screen->tesla; + struct nouveau_stateobj *vtxbuf, *vtxfmt, *vtxattr; + unsigned i; + + /* don't validate if Gallium took away our buffers */ + if (nv50->vtxbuf_nr == 0) + return; + + vtxattr = NULL; + vtxbuf = so_new(nv50->vtxelt_nr * 7, nv50->vtxelt_nr * 4); + vtxfmt = so_new(nv50->vtxelt_nr + 1, 0); + so_method(vtxfmt, tesla, NV50TCL_VERTEX_ARRAY_ATTRIB(0), + 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]; + struct nouveau_bo *bo = nouveau_bo(vb->buffer); + uint32_t hw = nv50_vbo_vtxelt_to_hw(ve); + + if (!vb->stride && + nv50_vbo_static_attrib(nv50, i, &vtxattr, ve, vb)) { + so_data(vtxfmt, hw | (1 << 4)); + + so_method(vtxbuf, tesla, + NV50TCL_VERTEX_ARRAY_FORMAT(i), 1); + so_data (vtxbuf, 0); + continue; + } + so_data(vtxfmt, hw | i); + + so_method(vtxbuf, tesla, NV50TCL_VERTEX_ARRAY_FORMAT(i), 3); + so_data (vtxbuf, 0x20000000 | vb->stride); + so_reloc (vtxbuf, bo, vb->buffer_offset + + ve->src_offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | + NOUVEAU_BO_RD | NOUVEAU_BO_HIGH, 0, 0); + so_reloc (vtxbuf, bo, vb->buffer_offset + + ve->src_offset, NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | + NOUVEAU_BO_RD | NOUVEAU_BO_LOW, 0, 0); + + /* vertex array limits */ + so_method(vtxbuf, tesla, 0x1080 + (i * 8), 2); + so_reloc (vtxbuf, bo, vb->buffer->size - 1, + NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD | + NOUVEAU_BO_HIGH, 0, 0); + so_reloc (vtxbuf, bo, vb->buffer->size - 1, + 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); + so_ref (vtxattr, &nv50->state.vtxattr); + so_ref (NULL, &vtxbuf); + so_ref (NULL, &vtxfmt); + so_ref (NULL, &vtxattr); +} + |