diff options
Diffstat (limited to 'src/gallium/drivers/cell/spu/spu_vertex_fetch.c')
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_vertex_fetch.c | 673 |
1 files changed, 673 insertions, 0 deletions
diff --git a/src/gallium/drivers/cell/spu/spu_vertex_fetch.c b/src/gallium/drivers/cell/spu/spu_vertex_fetch.c new file mode 100644 index 00000000000..45e3c26c001 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_vertex_fetch.c @@ -0,0 +1,673 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * 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, sub license, 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 (including the + * next paragraph) 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell <[email protected]> + */ + +#include <spu_mfcio.h> +#include <transpose_matrix4x4.h> + +#include "pipe/p_util.h" +#include "pipe/p_state.h" +#include "pipe/p_shader_tokens.h" +#include "spu_exec.h" +#include "spu_vertex_shader.h" +#include "spu_main.h" + +#define CACHE_NAME attribute +#define CACHED_TYPE qword +#define CACHE_TYPE CACHE_TYPE_RO +#define CACHE_SET_TAGID(set) TAG_VERTEX_BUFFER +#define CACHE_LOG2NNWAY 2 +#define CACHE_LOG2NSETS 6 +#include <cache-api.h> + +/* Yes folks, this is ugly. + */ +#undef CACHE_NWAY +#undef CACHE_NSETS +#define CACHE_NAME attribute +#define CACHE_NWAY 4 +#define CACHE_NSETS (1U << 6) + + +#define DRAW_DBG 0 + +static const qword fetch_shuffle_data[] = { + /* Shuffle used by CVT_64_FLOAT + */ + { + 0x00, 0x01, 0x02, 0x03, 0x10, 0x11, 0x12, 0x13, + 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, + }, + + /* Shuffle used by CVT_8_USCALED and CVT_8_SSCALED + */ + { + 0x00, 0x80, 0x80, 0x80, 0x01, 0x80, 0x80, 0x80, + 0x02, 0x80, 0x80, 0x80, 0x03, 0x80, 0x80, 0x80, + }, + + /* Shuffle used by CVT_16_USCALED and CVT_16_SSCALED + */ + { + 0x00, 0x01, 0x80, 0x80, 0x02, 0x03, 0x80, 0x80, + 0x04, 0x05, 0x80, 0x80, 0x06, 0x07, 0x80, 0x80, + }, + + /* High value shuffle used by trans4x4. + */ + { + 0x00, 0x01, 0x02, 0x03, 0x10, 0x11, 0x12, 0x13, + 0x04, 0x05, 0x06, 0x07, 0x14, 0x15, 0x16, 0x17 + }, + + /* Low value shuffle used by trans4x4. + */ + { + 0x08, 0x09, 0x0A, 0x0B, 0x18, 0x19, 0x1A, 0x1B, + 0x0C, 0x0D, 0x0E, 0x0F, 0x1C, 0x1D, 0x1E, 0x1F + } +}; + + +static INLINE void +trans4x4(qword row0, qword row1, qword row2, qword row3, qword *out, + const qword *shuffle) +{ + qword t1 = si_shufb(row0, row2, shuffle[3]); + qword t2 = si_shufb(row0, row2, shuffle[4]); + qword t3 = si_shufb(row1, row3, shuffle[3]); + qword t4 = si_shufb(row1, row3, shuffle[4]); + + out[0] = si_shufb(t1, t3, shuffle[3]); + out[1] = si_shufb(t1, t3, shuffle[4]); + out[2] = si_shufb(t2, t4, shuffle[3]); + out[3] = si_shufb(t2, t4, shuffle[4]); +} + + +/** + * Fetch between 1 and 32 bytes from an unaligned address + */ +static INLINE void +fetch_unaligned(qword *dst, unsigned ea, unsigned size) +{ + qword tmp[4]; + const int shift = ea & 0x0f; + const unsigned aligned_start_ea = ea & ~0x0f; + const unsigned aligned_end_ea = (ea + size) & ~0x0f; + const unsigned num_entries = ((aligned_end_ea - aligned_start_ea) / 16) + 1; + unsigned i; + + + if (shift == 0) { + /* Data is already aligned. Fetch directly into the destination buffer. + */ + for (i = 0; i < num_entries; i++) { + dst[i] = cache_rd(attribute, (ea & ~0x0f) + (i * 16)); + } + } else { + /* Fetch data from the cache to the local buffer. + */ + for (i = 0; i < num_entries; i++) { + tmp[i] = cache_rd(attribute, (ea & ~0x0f) + (i * 16)); + } + + + /* Fix the alignment of the data and write to the destination buffer. + */ + for (i = 0; i < ((size + 15) / 16); i++) { + dst[i] = si_or((qword) spu_slqwbyte(tmp[i], shift), + (qword) spu_rlmaskqwbyte(tmp[i + 1], shift - 16)); + } + } +} + + +#define CVT_32_FLOAT(q, s) (*(q)) + +static INLINE qword +CVT_64_FLOAT(const qword *qw, const qword *shuffle) +{ + qword a = si_frds(qw[0]); + qword b = si_frds(si_rotqbyi(qw[0], 8)); + qword c = si_frds(qw[1]); + qword d = si_frds(si_rotqbyi(qw[1], 8)); + + qword ab = si_shufb(a, b, shuffle[0]); + qword cd = si_shufb(c, d, si_rotqbyi(shuffle[0], 8)); + + return si_or(ab, cd); +} + + +static INLINE qword +CVT_8_USCALED(const qword *qw, const qword *shuffle) +{ + return si_cuflt(si_shufb(*qw, *qw, shuffle[1]), 0); +} + + +static INLINE qword +CVT_16_USCALED(const qword *qw, const qword *shuffle) +{ + return si_cuflt(si_shufb(*qw, *qw, shuffle[2]), 0); +} + + +static INLINE qword +CVT_32_USCALED(const qword *qw, const qword *shuffle) +{ + (void) shuffle; + return si_cuflt(*qw, 0); +} + +static INLINE qword +CVT_8_SSCALED(const qword *qw, const qword *shuffle) +{ + return si_csflt(si_shufb(*qw, *qw, shuffle[1]), 0); +} + + +static INLINE qword +CVT_16_SSCALED(const qword *qw, const qword *shuffle) +{ + return si_csflt(si_shufb(*qw, *qw, shuffle[2]), 0); +} + + +static INLINE qword +CVT_32_SSCALED(const qword *qw, const qword *shuffle) +{ + (void) shuffle; + return si_csflt(*qw, 0); +} + + +static INLINE qword +CVT_8_UNORM(const qword *qw, const qword *shuffle) +{ + const qword scale = (qword) spu_splats(1.0f / 255.0f); + return si_fm(CVT_8_USCALED(qw, shuffle), scale); +} + + +static INLINE qword +CVT_16_UNORM(const qword *qw, const qword *shuffle) +{ + const qword scale = (qword) spu_splats(1.0f / 65535.0f); + return si_fm(CVT_16_USCALED(qw, shuffle), scale); +} + + +static INLINE qword +CVT_32_UNORM(const qword *qw, const qword *shuffle) +{ + const qword scale = (qword) spu_splats(1.0f / 4294967295.0f); + return si_fm(CVT_32_USCALED(qw, shuffle), scale); +} + + +static INLINE qword +CVT_8_SNORM(const qword *qw, const qword *shuffle) +{ + const qword scale = (qword) spu_splats(1.0f / 127.0f); + return si_fm(CVT_8_SSCALED(qw, shuffle), scale); +} + + +static INLINE qword +CVT_16_SNORM(const qword *qw, const qword *shuffle) +{ + const qword scale = (qword) spu_splats(1.0f / 32767.0f); + return si_fm(CVT_16_SSCALED(qw, shuffle), scale); +} + + +static INLINE qword +CVT_32_SNORM(const qword *qw, const qword *shuffle) +{ + const qword scale = (qword) spu_splats(1.0f / 2147483647.0f); + return si_fm(CVT_32_SSCALED(qw, shuffle), scale); +} + +#define SZ_4 si_il(0U) +#define SZ_3 si_fsmbi(0x000f) +#define SZ_2 si_fsmbi(0x00ff) +#define SZ_1 si_fsmbi(0x0fff) + +/** + * Fetch a float[4] vertex attribute from memory, doing format/type + * conversion as needed. + * + * This is probably needed/dupliocated elsewhere, eg format + * conversion, texture sampling etc. + */ +#define FETCH_ATTRIB( NAME, SZ, CVT, N ) \ +static void \ +fetch_##NAME(qword *out, const qword *in, qword defaults, \ + const qword *shuffle) \ +{ \ + qword tmp[4]; \ + \ + tmp[0] = si_selb(CVT(in + (0 * N), shuffle), defaults, SZ); \ + tmp[1] = si_selb(CVT(in + (1 * N), shuffle), defaults, SZ); \ + tmp[2] = si_selb(CVT(in + (2 * N), shuffle), defaults, SZ); \ + tmp[3] = si_selb(CVT(in + (3 * N), shuffle), defaults, SZ); \ + trans4x4(tmp[0], tmp[1], tmp[2], tmp[3], out, shuffle); \ +} + + +FETCH_ATTRIB( R64G64B64A64_FLOAT, SZ_4, CVT_64_FLOAT, 2 ) +FETCH_ATTRIB( R64G64B64_FLOAT, SZ_3, CVT_64_FLOAT, 2 ) +FETCH_ATTRIB( R64G64_FLOAT, SZ_2, CVT_64_FLOAT, 2 ) +FETCH_ATTRIB( R64_FLOAT, SZ_1, CVT_64_FLOAT, 2 ) + +FETCH_ATTRIB( R32G32B32A32_FLOAT, SZ_4, CVT_32_FLOAT, 1 ) +FETCH_ATTRIB( R32G32B32_FLOAT, SZ_3, CVT_32_FLOAT, 1 ) +FETCH_ATTRIB( R32G32_FLOAT, SZ_2, CVT_32_FLOAT, 1 ) +FETCH_ATTRIB( R32_FLOAT, SZ_1, CVT_32_FLOAT, 1 ) + +FETCH_ATTRIB( R32G32B32A32_USCALED, SZ_4, CVT_32_USCALED, 1 ) +FETCH_ATTRIB( R32G32B32_USCALED, SZ_3, CVT_32_USCALED, 1 ) +FETCH_ATTRIB( R32G32_USCALED, SZ_2, CVT_32_USCALED, 1 ) +FETCH_ATTRIB( R32_USCALED, SZ_1, CVT_32_USCALED, 1 ) + +FETCH_ATTRIB( R32G32B32A32_SSCALED, SZ_4, CVT_32_SSCALED, 1 ) +FETCH_ATTRIB( R32G32B32_SSCALED, SZ_3, CVT_32_SSCALED, 1 ) +FETCH_ATTRIB( R32G32_SSCALED, SZ_2, CVT_32_SSCALED, 1 ) +FETCH_ATTRIB( R32_SSCALED, SZ_1, CVT_32_SSCALED, 1 ) + +FETCH_ATTRIB( R32G32B32A32_UNORM, SZ_4, CVT_32_UNORM, 1 ) +FETCH_ATTRIB( R32G32B32_UNORM, SZ_3, CVT_32_UNORM, 1 ) +FETCH_ATTRIB( R32G32_UNORM, SZ_2, CVT_32_UNORM, 1 ) +FETCH_ATTRIB( R32_UNORM, SZ_1, CVT_32_UNORM, 1 ) + +FETCH_ATTRIB( R32G32B32A32_SNORM, SZ_4, CVT_32_SNORM, 1 ) +FETCH_ATTRIB( R32G32B32_SNORM, SZ_3, CVT_32_SNORM, 1 ) +FETCH_ATTRIB( R32G32_SNORM, SZ_2, CVT_32_SNORM, 1 ) +FETCH_ATTRIB( R32_SNORM, SZ_1, CVT_32_SNORM, 1 ) + +FETCH_ATTRIB( R16G16B16A16_USCALED, SZ_4, CVT_16_USCALED, 1 ) +FETCH_ATTRIB( R16G16B16_USCALED, SZ_3, CVT_16_USCALED, 1 ) +FETCH_ATTRIB( R16G16_USCALED, SZ_2, CVT_16_USCALED, 1 ) +FETCH_ATTRIB( R16_USCALED, SZ_1, CVT_16_USCALED, 1 ) + +FETCH_ATTRIB( R16G16B16A16_SSCALED, SZ_4, CVT_16_SSCALED, 1 ) +FETCH_ATTRIB( R16G16B16_SSCALED, SZ_3, CVT_16_SSCALED, 1 ) +FETCH_ATTRIB( R16G16_SSCALED, SZ_2, CVT_16_SSCALED, 1 ) +FETCH_ATTRIB( R16_SSCALED, SZ_1, CVT_16_SSCALED, 1 ) + +FETCH_ATTRIB( R16G16B16A16_UNORM, SZ_4, CVT_16_UNORM, 1 ) +FETCH_ATTRIB( R16G16B16_UNORM, SZ_3, CVT_16_UNORM, 1 ) +FETCH_ATTRIB( R16G16_UNORM, SZ_2, CVT_16_UNORM, 1 ) +FETCH_ATTRIB( R16_UNORM, SZ_1, CVT_16_UNORM, 1 ) + +FETCH_ATTRIB( R16G16B16A16_SNORM, SZ_4, CVT_16_SNORM, 1 ) +FETCH_ATTRIB( R16G16B16_SNORM, SZ_3, CVT_16_SNORM, 1 ) +FETCH_ATTRIB( R16G16_SNORM, SZ_2, CVT_16_SNORM, 1 ) +FETCH_ATTRIB( R16_SNORM, SZ_1, CVT_16_SNORM, 1 ) + +FETCH_ATTRIB( R8G8B8A8_USCALED, SZ_4, CVT_8_USCALED, 1 ) +FETCH_ATTRIB( R8G8B8_USCALED, SZ_3, CVT_8_USCALED, 1 ) +FETCH_ATTRIB( R8G8_USCALED, SZ_2, CVT_8_USCALED, 1 ) +FETCH_ATTRIB( R8_USCALED, SZ_1, CVT_8_USCALED, 1 ) + +FETCH_ATTRIB( R8G8B8A8_SSCALED, SZ_4, CVT_8_SSCALED, 1 ) +FETCH_ATTRIB( R8G8B8_SSCALED, SZ_3, CVT_8_SSCALED, 1 ) +FETCH_ATTRIB( R8G8_SSCALED, SZ_2, CVT_8_SSCALED, 1 ) +FETCH_ATTRIB( R8_SSCALED, SZ_1, CVT_8_SSCALED, 1 ) + +FETCH_ATTRIB( R8G8B8A8_UNORM, SZ_4, CVT_8_UNORM, 1 ) +FETCH_ATTRIB( R8G8B8_UNORM, SZ_3, CVT_8_UNORM, 1 ) +FETCH_ATTRIB( R8G8_UNORM, SZ_2, CVT_8_UNORM, 1 ) +FETCH_ATTRIB( R8_UNORM, SZ_1, CVT_8_UNORM, 1 ) + +FETCH_ATTRIB( R8G8B8A8_SNORM, SZ_4, CVT_8_SNORM, 1 ) +FETCH_ATTRIB( R8G8B8_SNORM, SZ_3, CVT_8_SNORM, 1 ) +FETCH_ATTRIB( R8G8_SNORM, SZ_2, CVT_8_SNORM, 1 ) +FETCH_ATTRIB( R8_SNORM, SZ_1, CVT_8_SNORM, 1 ) + +FETCH_ATTRIB( A8R8G8B8_UNORM, SZ_4, CVT_8_UNORM, 1 ) + + + +static spu_fetch_func get_fetch_func( enum pipe_format format ) +{ + switch (format) { + case PIPE_FORMAT_R64_FLOAT: + return fetch_R64_FLOAT; + case PIPE_FORMAT_R64G64_FLOAT: + return fetch_R64G64_FLOAT; + case PIPE_FORMAT_R64G64B64_FLOAT: + return fetch_R64G64B64_FLOAT; + case PIPE_FORMAT_R64G64B64A64_FLOAT: + return fetch_R64G64B64A64_FLOAT; + + case PIPE_FORMAT_R32_FLOAT: + return fetch_R32_FLOAT; + case PIPE_FORMAT_R32G32_FLOAT: + return fetch_R32G32_FLOAT; + case PIPE_FORMAT_R32G32B32_FLOAT: + return fetch_R32G32B32_FLOAT; + case PIPE_FORMAT_R32G32B32A32_FLOAT: + return fetch_R32G32B32A32_FLOAT; + + case PIPE_FORMAT_R32_UNORM: + return fetch_R32_UNORM; + case PIPE_FORMAT_R32G32_UNORM: + return fetch_R32G32_UNORM; + case PIPE_FORMAT_R32G32B32_UNORM: + return fetch_R32G32B32_UNORM; + case PIPE_FORMAT_R32G32B32A32_UNORM: + return fetch_R32G32B32A32_UNORM; + + case PIPE_FORMAT_R32_USCALED: + return fetch_R32_USCALED; + case PIPE_FORMAT_R32G32_USCALED: + return fetch_R32G32_USCALED; + case PIPE_FORMAT_R32G32B32_USCALED: + return fetch_R32G32B32_USCALED; + case PIPE_FORMAT_R32G32B32A32_USCALED: + return fetch_R32G32B32A32_USCALED; + + case PIPE_FORMAT_R32_SNORM: + return fetch_R32_SNORM; + case PIPE_FORMAT_R32G32_SNORM: + return fetch_R32G32_SNORM; + case PIPE_FORMAT_R32G32B32_SNORM: + return fetch_R32G32B32_SNORM; + case PIPE_FORMAT_R32G32B32A32_SNORM: + return fetch_R32G32B32A32_SNORM; + + case PIPE_FORMAT_R32_SSCALED: + return fetch_R32_SSCALED; + case PIPE_FORMAT_R32G32_SSCALED: + return fetch_R32G32_SSCALED; + case PIPE_FORMAT_R32G32B32_SSCALED: + return fetch_R32G32B32_SSCALED; + case PIPE_FORMAT_R32G32B32A32_SSCALED: + return fetch_R32G32B32A32_SSCALED; + + case PIPE_FORMAT_R16_UNORM: + return fetch_R16_UNORM; + case PIPE_FORMAT_R16G16_UNORM: + return fetch_R16G16_UNORM; + case PIPE_FORMAT_R16G16B16_UNORM: + return fetch_R16G16B16_UNORM; + case PIPE_FORMAT_R16G16B16A16_UNORM: + return fetch_R16G16B16A16_UNORM; + + case PIPE_FORMAT_R16_USCALED: + return fetch_R16_USCALED; + case PIPE_FORMAT_R16G16_USCALED: + return fetch_R16G16_USCALED; + case PIPE_FORMAT_R16G16B16_USCALED: + return fetch_R16G16B16_USCALED; + case PIPE_FORMAT_R16G16B16A16_USCALED: + return fetch_R16G16B16A16_USCALED; + + case PIPE_FORMAT_R16_SNORM: + return fetch_R16_SNORM; + case PIPE_FORMAT_R16G16_SNORM: + return fetch_R16G16_SNORM; + case PIPE_FORMAT_R16G16B16_SNORM: + return fetch_R16G16B16_SNORM; + case PIPE_FORMAT_R16G16B16A16_SNORM: + return fetch_R16G16B16A16_SNORM; + + case PIPE_FORMAT_R16_SSCALED: + return fetch_R16_SSCALED; + case PIPE_FORMAT_R16G16_SSCALED: + return fetch_R16G16_SSCALED; + case PIPE_FORMAT_R16G16B16_SSCALED: + return fetch_R16G16B16_SSCALED; + case PIPE_FORMAT_R16G16B16A16_SSCALED: + return fetch_R16G16B16A16_SSCALED; + + case PIPE_FORMAT_R8_UNORM: + return fetch_R8_UNORM; + case PIPE_FORMAT_R8G8_UNORM: + return fetch_R8G8_UNORM; + case PIPE_FORMAT_R8G8B8_UNORM: + return fetch_R8G8B8_UNORM; + case PIPE_FORMAT_R8G8B8A8_UNORM: + return fetch_R8G8B8A8_UNORM; + + case PIPE_FORMAT_R8_USCALED: + return fetch_R8_USCALED; + case PIPE_FORMAT_R8G8_USCALED: + return fetch_R8G8_USCALED; + case PIPE_FORMAT_R8G8B8_USCALED: + return fetch_R8G8B8_USCALED; + case PIPE_FORMAT_R8G8B8A8_USCALED: + return fetch_R8G8B8A8_USCALED; + + case PIPE_FORMAT_R8_SNORM: + return fetch_R8_SNORM; + case PIPE_FORMAT_R8G8_SNORM: + return fetch_R8G8_SNORM; + case PIPE_FORMAT_R8G8B8_SNORM: + return fetch_R8G8B8_SNORM; + case PIPE_FORMAT_R8G8B8A8_SNORM: + return fetch_R8G8B8A8_SNORM; + + case PIPE_FORMAT_R8_SSCALED: + return fetch_R8_SSCALED; + case PIPE_FORMAT_R8G8_SSCALED: + return fetch_R8G8_SSCALED; + case PIPE_FORMAT_R8G8B8_SSCALED: + return fetch_R8G8B8_SSCALED; + case PIPE_FORMAT_R8G8B8A8_SSCALED: + return fetch_R8G8B8A8_SSCALED; + + case PIPE_FORMAT_A8R8G8B8_UNORM: + return fetch_A8R8G8B8_UNORM; + + case 0: + return NULL; /* not sure why this is needed */ + + default: + assert(0); + return NULL; + } +} + + +static unsigned get_vertex_size( enum pipe_format format ) +{ + switch (format) { + case PIPE_FORMAT_R64_FLOAT: + return 8; + case PIPE_FORMAT_R64G64_FLOAT: + return 2 * 8; + case PIPE_FORMAT_R64G64B64_FLOAT: + return 3 * 8; + case PIPE_FORMAT_R64G64B64A64_FLOAT: + return 4 * 8; + + case PIPE_FORMAT_R32_SSCALED: + case PIPE_FORMAT_R32_SNORM: + case PIPE_FORMAT_R32_USCALED: + case PIPE_FORMAT_R32_UNORM: + case PIPE_FORMAT_R32_FLOAT: + return 4; + case PIPE_FORMAT_R32G32_SSCALED: + case PIPE_FORMAT_R32G32_SNORM: + case PIPE_FORMAT_R32G32_USCALED: + case PIPE_FORMAT_R32G32_UNORM: + case PIPE_FORMAT_R32G32_FLOAT: + return 2 * 4; + case PIPE_FORMAT_R32G32B32_SSCALED: + case PIPE_FORMAT_R32G32B32_SNORM: + case PIPE_FORMAT_R32G32B32_USCALED: + case PIPE_FORMAT_R32G32B32_UNORM: + case PIPE_FORMAT_R32G32B32_FLOAT: + return 3 * 4; + case PIPE_FORMAT_R32G32B32A32_SSCALED: + case PIPE_FORMAT_R32G32B32A32_SNORM: + case PIPE_FORMAT_R32G32B32A32_USCALED: + case PIPE_FORMAT_R32G32B32A32_UNORM: + case PIPE_FORMAT_R32G32B32A32_FLOAT: + return 4 * 4; + + case PIPE_FORMAT_R16_SSCALED: + case PIPE_FORMAT_R16_SNORM: + case PIPE_FORMAT_R16_UNORM: + case PIPE_FORMAT_R16_USCALED: + return 2; + case PIPE_FORMAT_R16G16_SSCALED: + case PIPE_FORMAT_R16G16_SNORM: + case PIPE_FORMAT_R16G16_USCALED: + case PIPE_FORMAT_R16G16_UNORM: + return 2 * 2; + case PIPE_FORMAT_R16G16B16_SSCALED: + case PIPE_FORMAT_R16G16B16_SNORM: + case PIPE_FORMAT_R16G16B16_USCALED: + case PIPE_FORMAT_R16G16B16_UNORM: + return 3 * 2; + case PIPE_FORMAT_R16G16B16A16_SSCALED: + case PIPE_FORMAT_R16G16B16A16_SNORM: + case PIPE_FORMAT_R16G16B16A16_USCALED: + case PIPE_FORMAT_R16G16B16A16_UNORM: + return 4 * 2; + + case PIPE_FORMAT_R8_SSCALED: + case PIPE_FORMAT_R8_SNORM: + case PIPE_FORMAT_R8_USCALED: + case PIPE_FORMAT_R8_UNORM: + return 1; + case PIPE_FORMAT_R8G8_SSCALED: + case PIPE_FORMAT_R8G8_SNORM: + case PIPE_FORMAT_R8G8_USCALED: + case PIPE_FORMAT_R8G8_UNORM: + return 2 * 1; + case PIPE_FORMAT_R8G8B8_SSCALED: + case PIPE_FORMAT_R8G8B8_SNORM: + case PIPE_FORMAT_R8G8B8_USCALED: + case PIPE_FORMAT_R8G8B8_UNORM: + return 3 * 1; + case PIPE_FORMAT_A8R8G8B8_UNORM: + case PIPE_FORMAT_R8G8B8A8_SSCALED: + case PIPE_FORMAT_R8G8B8A8_SNORM: + case PIPE_FORMAT_R8G8B8A8_USCALED: + case PIPE_FORMAT_R8G8B8A8_UNORM: + return 4 * 1; + + case 0: + return 0; /* not sure why this is needed */ + + default: + assert(0); + return 0; + } +} + + +/** + * Fetch vertex attributes for 'count' vertices. + */ +static void generic_vertex_fetch(struct spu_vs_context *draw, + struct spu_exec_machine *machine, + const unsigned *elts, + unsigned count) +{ + unsigned nr_attrs = draw->vertex_fetch.nr_attrs; + unsigned attr; + + assert(count <= 4); + +#if DRAW_DBG + printf("SPU: %s count = %u, nr_attrs = %u\n", + __FUNCTION__, count, nr_attrs); +#endif + + /* loop over vertex attributes (vertex shader inputs) + */ + for (attr = 0; attr < nr_attrs; attr++) { + const qword default_values = (qword)(vec_float4){ 0.0, 0.0, 0.0, 1.0 }; + const unsigned pitch = draw->vertex_fetch.pitch[attr]; + const uint64_t src = draw->vertex_fetch.src_ptr[attr]; + const spu_fetch_func fetch = draw->vertex_fetch.fetch[attr]; + unsigned i; + unsigned idx; + const unsigned bytes_per_entry = draw->vertex_fetch.size[attr]; + const unsigned quads_per_entry = (bytes_per_entry + 15) / 16; + qword in[2 * 4]; + + + /* Fetch four attributes for four vertices. + */ + idx = 0; + for (i = 0; i < count; i++) { + const uint64_t addr = src + (elts[i] * pitch); + +#if DRAW_DBG + printf("SPU: fetching = 0x%llx\n", addr); +#endif + + fetch_unaligned(& in[idx], addr, bytes_per_entry); + idx += quads_per_entry; + } + + /* Be nice and zero out any missing vertices. + */ + (void) memset(& in[idx], 0, (8 - idx) * sizeof(qword)); + + + /* Convert all 4 vertices to vectors of float. + */ + (*fetch)(&machine->Inputs[attr].xyzw[0].q, in, default_values, + fetch_shuffle_data); + } +} + + +void spu_update_vertex_fetch( struct spu_vs_context *draw ) +{ + unsigned i; + + + /* Invalidate the vertex cache. + */ + for (i = 0; i < (CACHE_NWAY * CACHE_NSETS); i++) { + CACHELINE_CLEARVALID(i); + } + + + for (i = 0; i < draw->vertex_fetch.nr_attrs; i++) { + draw->vertex_fetch.fetch[i] = + get_fetch_func(draw->vertex_fetch.format[i]); + draw->vertex_fetch.size[i] = + get_vertex_size(draw->vertex_fetch.format[i]); + } + + draw->vertex_fetch.fetch_func = generic_vertex_fetch; +} |