diff options
author | Christoph Bumiller <[email protected]> | 2009-08-20 21:28:28 +0200 |
---|---|---|
committer | Christoph Bumiller <[email protected]> | 2009-08-20 21:41:39 +0200 |
commit | 80c5ab1586c03b06683d843842c052e2ff099e2e (patch) | |
tree | 286e7f48c03f071c0e98fa4753e58b3eb8459fd2 /src/gallium | |
parent | e93d41d24f15491415538c82959f0d511bb40813 (diff) |
nv50: modify vbo format to hw translation, add BGRA swizzle
Diffstat (limited to 'src/gallium')
-rw-r--r-- | src/gallium/drivers/nv50/nv50_vbo.c | 104 |
1 files changed, 65 insertions, 39 deletions
diff --git a/src/gallium/drivers/nv50/nv50_vbo.c b/src/gallium/drivers/nv50/nv50_vbo.c index 17283f3f418..d463c17cca7 100644 --- a/src/gallium/drivers/nv50/nv50_vbo.c +++ b/src/gallium/drivers/nv50/nv50_vbo.c @@ -49,55 +49,80 @@ nv50_prim(unsigned mode) return NV50TCL_VERTEX_BEGIN_POINTS; } -static INLINE unsigned -nv50_vtxeltfmt(unsigned pf) +static INLINE uint32_t +nv50_vbo_type_to_hw(unsigned type) { - static const uint8_t vtxelt_32[4] = { 0x90, 0x20, 0x10, 0x08 }; - static const uint8_t vtxelt_16[4] = { 0xd8, 0x78, 0x28, 0x18 }; - static const uint8_t vtxelt_08[4] = { 0xe8, 0xc0, 0x98, 0x50 }; - - unsigned nf, c = 0; - - switch (pf_type(pf)) { + switch (type) { case PIPE_FORMAT_TYPE_FLOAT: - nf = NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_FLOAT; break; + return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_FLOAT; case PIPE_FORMAT_TYPE_UNORM: - nf = NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_UNORM; break; + return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_UNORM; case PIPE_FORMAT_TYPE_SNORM: - nf = NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_SNORM; break; + return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_SNORM; case PIPE_FORMAT_TYPE_USCALED: - nf = NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_USCALED; break; + return NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_USCALED; case PIPE_FORMAT_TYPE_SSCALED: - nf = NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_SSCALED; break; + 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: - NOUVEAU_ERR("invalid vbo type %d\n",pf_type(pf)); - assert(0); - nf = NV50TCL_VERTEX_ARRAY_ATTRIB_TYPE_FLOAT; - break; + return 0; } +} - if (pf_size_y(pf)) c++; - if (pf_size_z(pf)) c++; - if (pf_size_w(pf)) c++; - - if (pf_exp2(pf) == 3) { - switch (pf_size_x(pf)) { - case 1: return (nf | (vtxelt_08[c] << 16)); - case 2: return (nf | (vtxelt_16[c] << 16)); - case 4: return (nf | (vtxelt_32[c] << 16)); - default: - break; - } - } else - if (pf_exp2(pf) == 6 && pf_size_x(pf) == 1) { - NOUVEAU_ERR("unsupported vbo component size 64\n"); - assert(0); - return (nf | 0x08000000); +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; } - NOUVEAU_ERR("invalid vbo format %s\n",pf_name(pf)); - assert(0); - return (nf | 0x08000000); + if (pf_swizzle_x(pf) == 2) /* BGRA */ + hw_size |= (1 << 31); /* no real swizzle bits :-( */ + + return (hw_type | hw_size); } boolean @@ -273,8 +298,9 @@ nv50_vbo_validate(struct nv50_context *nv50) 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); - so_data(vtxfmt, nv50_vtxeltfmt(ve->src_format) | i); + so_data(vtxfmt, hw | i); so_method(vtxbuf, tesla, NV50TCL_VERTEX_ARRAY_FORMAT(i), 3); so_data (vtxbuf, 0x20000000 | vb->stride); |