diff options
Diffstat (limited to 'src/gallium/drivers/cell/spu')
| -rw-r--r-- | src/gallium/drivers/cell/spu/Makefile | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_main.c | 25 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_main.h | 16 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_per_fragment_op.c | 191 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_per_fragment_op.h | 32 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_render.c | 4 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_tri.c | 23 | ||||
| -rw-r--r-- | src/gallium/drivers/cell/spu/spu_ztest.h | 135 |
8 files changed, 269 insertions, 158 deletions
diff --git a/src/gallium/drivers/cell/spu/Makefile b/src/gallium/drivers/cell/spu/Makefile index c071de1900..115ca8cd90 100644 --- a/src/gallium/drivers/cell/spu/Makefile +++ b/src/gallium/drivers/cell/spu/Makefile @@ -19,6 +19,7 @@ SOURCES = \ spu_main.c \ spu_blend.c \ spu_dcache.c \ + spu_per_fragment_op.c \ spu_render.c \ spu_texture.c \ spu_tile.c \ diff --git a/src/gallium/drivers/cell/spu/spu_main.c b/src/gallium/drivers/cell/spu/spu_main.c index 59300028d4..8e46f6e471 100644 --- a/src/gallium/drivers/cell/spu/spu_main.c +++ b/src/gallium/drivers/cell/spu/spu_main.c @@ -58,6 +58,9 @@ struct spu_vs_context draw; static unsigned char attribute_fetch_code_buffer[136 * PIPE_ATTRIB_MAX] ALIGN16_ATTRIB; +static unsigned char depth_stencil_code_buffer[4 * 64] + ALIGN16_ATTRIB; + /** * Tell the PPU that this SPU has finished copying a buffer to * local store and that it may be reused by the PPU. @@ -248,14 +251,26 @@ cmd_state_blend(const struct pipe_blend_state *state) static void -cmd_state_depth_stencil(const struct pipe_depth_stencil_alpha_state *state) +cmd_state_depth_stencil(const struct cell_command_depth_stencil_alpha_test *state) { if (Debug) printf("SPU %u: DEPTH_STENCIL: ztest %d\n", spu.init.id, - state->depth.enabled); + state->read_depth); + + ASSERT_ALIGN16(state->base); + + mfc_get(depth_stencil_code_buffer, + (unsigned int) state->base, /* src */ + ROUNDUP16(state->size), + TAG_BATCH_BUFFER, + 0, /* tid */ + 0 /* rid */); + wait_on_mask(1 << TAG_BATCH_BUFFER); - memcpy(&spu.depth_stencil, state, sizeof(*state)); + spu.frag_test = (frag_test_func) depth_stencil_code_buffer; + spu.read_depth = state->read_depth; + spu.read_stencil = state->read_stencil; } @@ -415,9 +430,9 @@ cmd_batch(uint opcode) pos += (1 + ROUNDUP8(sizeof(struct pipe_blend_state)) / 8); break; case CELL_CMD_STATE_DEPTH_STENCIL: - cmd_state_depth_stencil((struct pipe_depth_stencil_alpha_state *) + cmd_state_depth_stencil((struct cell_command_depth_stencil_alpha_test *) &buffer[pos+1]); - pos += (1 + ROUNDUP8(sizeof(struct pipe_depth_stencil_alpha_state)) / 8); + pos += (1 + ROUNDUP8(sizeof(struct cell_command_depth_stencil_alpha_test)) / 8); break; case CELL_CMD_STATE_SAMPLER: cmd_state_sampler((struct pipe_sampler_state *) &buffer[pos+1]); diff --git a/src/gallium/drivers/cell/spu/spu_main.h b/src/gallium/drivers/cell/spu/spu_main.h index a13edd1702..444e218645 100644 --- a/src/gallium/drivers/cell/spu/spu_main.h +++ b/src/gallium/drivers/cell/spu/spu_main.h @@ -56,6 +56,17 @@ typedef union { #define TILE_STATUS_GETTING 5 /**< mfc_get() called but not yet arrived */ +struct spu_frag_test_results { + qword mask; + qword depth; + qword stencil; +}; + +typedef struct spu_frag_test_results (*frag_test_func)(qword frag_mask, + qword pixel_depth, qword pixel_stencil, qword frag_depth, + qword frag_alpha, qword facing); + + struct spu_framebuffer { void *color_start; /**< addr of color surface in main memory */ void *depth_start; /**< addr of depth surface in main memory */ @@ -79,8 +90,9 @@ struct spu_global struct cell_init_info init; struct spu_framebuffer fb; - struct pipe_blend_state blend_stencil; - struct pipe_depth_stencil_alpha_state depth_stencil; + boolean read_depth; + boolean read_stencil; + frag_test_func frag_test; struct pipe_blend_state blend; struct pipe_sampler_state sampler[PIPE_MAX_SAMPLERS]; struct cell_command_texture texture; diff --git a/src/gallium/drivers/cell/spu/spu_per_fragment_op.c b/src/gallium/drivers/cell/spu/spu_per_fragment_op.c new file mode 100644 index 0000000000..d42b522b41 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_per_fragment_op.c @@ -0,0 +1,191 @@ +/* + * (C) Copyright IBM Corporation 2008 + * 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 + * on 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 + * AUTHORS, COPYRIGHT HOLDERS, AND/OR THEIR 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. + */ + +/** + * \file spu_per_fragment_op.c + * SPU implementation various per-fragment operations. + * + * \author Ian Romanick <idr@us.ibm.com> + */ + +#include "pipe/p_format.h" +#include "spu_main.h" +#include "spu_per_fragment_op.h" + +#define ZERO 0x80 + +static void +read_ds_quad(tile_t *buffer, unsigned x, unsigned y, + enum pipe_format depth_format, qword *depth, + qword *stencil) +{ + const int ix = x / 2; + const int iy = y / 2; + + switch (depth_format) { + case PIPE_FORMAT_Z16_UNORM: { + qword *ptr = (qword *) &buffer->us8[iy][ix / 2]; + + const qword shuf_vec = (qword) { + ZERO, ZERO, 0, 1, ZERO, ZERO, 2, 3, + ZERO, ZERO, 4, 5, ZERO, ZERO, 6, 7 + }; + + + /* At even X values we want the first 4 shorts, and at odd X values we + * want the second 4 shorts. + */ + qword bias = (qword) spu_splats((unsigned char) ((ix & 0x01) << 3)); + qword bias_mask = si_fsmbi(0x3333); + qword sv = si_a(shuf_vec, si_and(bias_mask, bias)); + + *depth = si_shufb(*ptr, *ptr, sv); + *stencil = si_il(0); + break; + } + + + case PIPE_FORMAT_Z32_UNORM: { + qword *ptr = (qword *) &buffer->ui4[iy][ix]; + + *depth = *ptr; + *stencil = si_il(0); + break; + } + + + case PIPE_FORMAT_Z24S8_UNORM: { + qword *ptr = (qword *) &buffer->ui4[iy][ix]; + qword mask = si_fsmbi(0x7777); + + *depth = si_and(*ptr, mask); + *stencil = si_rotmai(si_andc(*ptr, mask), -24); + break; + } + + + default: + assert(0); + break; + } +} + + +static void +write_ds_quad(tile_t *buffer, unsigned x, unsigned y, + enum pipe_format depth_format, + qword depth, qword stencil) +{ + const int ix = x / 2; + const int iy = y / 2; + + (void) stencil; + + switch (depth_format) { + case PIPE_FORMAT_Z16_UNORM: { + qword *ptr = (qword *) &buffer->us8[iy][ix / 2]; + + qword sv = ((ix & 0x01) == 0) + ? (qword) { 2, 3, 6, 7, 10, 11, 14, 15, + 24, 25, 26, 27, 28, 29, 30, 31 } + : (qword) { 16, 17, 18, 19, 20 , 21, 22, 23, + 2, 3, 6, 7, 10, 11, 14, 15 }; + *ptr = si_shufb(depth, *ptr, sv); + break; + } + + + case PIPE_FORMAT_Z32_UNORM: { + qword *ptr = (qword *) &buffer->ui4[iy][ix]; + *ptr = depth; + break; + } + + + case PIPE_FORMAT_Z24S8_UNORM: { + qword *ptr = (qword *) &buffer->ui4[iy][ix]; + qword mask = si_fsmbi(0x7777); + + stencil = si_rotmai(stencil, 24); + *ptr = si_selb(stencil, depth, mask); + break; + } + + + default: + assert(0); + break; + } +} + + +qword +spu_do_depth_stencil(int x, int y, + qword frag_mask, qword frag_depth, qword frag_alpha, + qword facing) +{ + struct spu_frag_test_results result; + qword pixel_depth; + qword pixel_stencil; + + /* All of this preable code (everthing before the call to frag_test) should + * be generated on the PPU and upload to the SPU. + */ + if (spu.read_depth || spu.read_stencil) { + read_ds_quad(&spu.ztile, x, y, spu.fb.depth_format, + &pixel_depth, &pixel_stencil); + } + + switch (spu.fb.depth_format) { + case PIPE_FORMAT_Z16_UNORM: + frag_depth = si_fm(frag_depth, (qword)spu_splats((float)(0x0000ffffu))); + frag_depth = si_cfltu(frag_depth, 0); + break; + case PIPE_FORMAT_Z32_UNORM: + frag_depth = si_fm(frag_depth, (qword)spu_splats((float)(0xffffffffu))); + frag_depth = si_cfltu(frag_depth, 0); + break; + case PIPE_FORMAT_Z24S8_UNORM: + frag_depth = si_fm(frag_depth, (qword)spu_splats((float)(0x00ffffffu))); + frag_depth = si_cfltu(frag_depth, 0); + break; + default: + assert(0); + break; + } + + result = (*spu.frag_test)(frag_mask, pixel_depth, pixel_stencil, + frag_depth, frag_alpha, facing); + + + /* This code (everthing after the call to frag_test) should + * be generated on the PPU and upload to the SPU. + */ + if (spu.read_depth || spu.read_stencil) { + write_ds_quad(&spu.ztile, x, y, spu.fb.depth_format, + result.depth, result.stencil); + } + + return result.mask; +} diff --git a/src/gallium/drivers/cell/spu/spu_per_fragment_op.h b/src/gallium/drivers/cell/spu/spu_per_fragment_op.h new file mode 100644 index 0000000000..6571258699 --- /dev/null +++ b/src/gallium/drivers/cell/spu/spu_per_fragment_op.h @@ -0,0 +1,32 @@ +/* + * (C) Copyright IBM Corporation 2008 + * 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 + * on 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 + * AUTHORS, COPYRIGHT HOLDERS, AND/OR THEIR 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. + */ + +#ifndef SPU_PER_FRAGMENT_OP +#define SPU_PER_FRAGMENT_OP + +extern qword +spu_do_depth_stencil(int x, int y, qword frag_mask, qword frag_depth, + qword frag_alpha, qword facing); + +#endif /* SPU_PER_FRAGMENT_OP */ diff --git a/src/gallium/drivers/cell/spu/spu_render.c b/src/gallium/drivers/cell/spu/spu_render.c index 20e77aa2e6..6df59abd36 100644 --- a/src/gallium/drivers/cell/spu/spu_render.c +++ b/src/gallium/drivers/cell/spu/spu_render.c @@ -98,7 +98,7 @@ my_tile(uint tx, uint ty) static INLINE void get_cz_tiles(uint tx, uint ty) { - if (spu.depth_stencil.depth.enabled) { + if (spu.read_depth) { if (spu.cur_ztile_status != TILE_STATUS_CLEAR) { //printf("SPU %u: getting Z tile %u, %u\n", spu.init.id, tx, ty); get_tile(tx, ty, &spu.ztile, TAG_READ_TILE_Z, 1); @@ -153,7 +153,7 @@ static INLINE void wait_put_cz_tiles(void) { wait_on_mask(1 << TAG_WRITE_TILE_COLOR); - if (spu.depth_stencil.depth.enabled) { + if (spu.read_depth) { wait_on_mask(1 << TAG_WRITE_TILE_Z); } } diff --git a/src/gallium/drivers/cell/spu/spu_tri.c b/src/gallium/drivers/cell/spu/spu_tri.c index be9624cf7d..81823f2463 100644 --- a/src/gallium/drivers/cell/spu/spu_tri.c +++ b/src/gallium/drivers/cell/spu/spu_tri.c @@ -38,8 +38,7 @@ #include "spu_texture.h" #include "spu_tile.h" #include "spu_tri.h" - -#include "spu_ztest.h" +#include "spu_per_fragment_op.h" /** Masks are uint[4] vectors with each element being 0 or 0xffffffff */ @@ -264,16 +263,12 @@ do_depth_test(int x, int y, mask_t quadmask) zvals.v = eval_z((float) x, (float) y); - if (spu.fb.depth_format == PIPE_FORMAT_Z16_UNORM) { - int ix = (x - setup.cliprect_minx) / 4; - int iy = (y - setup.cliprect_miny) / 2; - mask = spu_z16_test_less(zvals.v, &spu.ztile.us8[iy][ix], x>>1, quadmask); - } - else { - int ix = (x - setup.cliprect_minx) / 2; - int iy = (y - setup.cliprect_miny) / 2; - mask = spu_z32_test_less(zvals.v, &spu.ztile.ui4[iy][ix], quadmask); - } + mask = (mask_t) spu_do_depth_stencil(x - setup.cliprect_minx, + y - setup.cliprect_miny, + (qword) quadmask, + (qword) zvals.v, + (qword) spu_splats((unsigned char) 0x0ffu), + (qword) spu_splats((unsigned int) 0x01u)); if (spu_extract(spu_orx(mask), 0)) spu.cur_ztile_status = TILE_STATUS_DIRTY; @@ -299,7 +294,7 @@ emit_quad( int x, int y, mask_t mask ) sp->quad.first->run(sp->quad.first, &setup.quad); #else - if (spu.depth_stencil.depth.enabled) { + if (spu.read_depth) { mask = do_depth_test(x, y, mask); } @@ -434,7 +429,7 @@ static void flush_spans( void ) } ASSERT(spu.cur_ctile_status != TILE_STATUS_DEFINED); - if (spu.depth_stencil.depth.enabled) { + if (spu.read_depth) { if (spu.cur_ztile_status == TILE_STATUS_GETTING) { /* wait for mfc_get() to complete */ //printf("SPU: %u: waiting for ztile\n", spu.init.id); diff --git a/src/gallium/drivers/cell/spu/spu_ztest.h b/src/gallium/drivers/cell/spu/spu_ztest.h deleted file mode 100644 index ce8ad00339..0000000000 --- a/src/gallium/drivers/cell/spu/spu_ztest.h +++ /dev/null @@ -1,135 +0,0 @@ -/************************************************************************** - * - * 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. - * - **************************************************************************/ - - -/** - * Zbuffer/depth test code. - */ - - -#ifndef SPU_ZTEST_H -#define SPU_ZTEST_H - - -#ifdef __SPU__ -#include <spu_intrinsics.h> -#endif - - - -/** - * Perform Z testing for a 16-bit/value Z buffer. - * - * \param zvals vector of four fragment zvalues as floats - * \param zbuf ptr to vector of ushort[8] zbuffer values. Note that this - * contains the Z values for 2 quads, 8 pixels. - * \param x x coordinate of quad (only lsbit is significant) - * \param inMask indicates which fragments in the quad are alive - * \return new mask indicating which fragments are alive after ztest - */ -static INLINE vector unsigned int -spu_z16_test_less(vector float zvals, vector unsigned short *zbuf, - uint x, vector unsigned int inMask) -{ -#define ZERO 0x80 - vector unsigned int zvals_ui4, zbuf_ui4, mask; - - /* convert floats to uints in [0, 65535] */ - zvals_ui4 = spu_convtu(zvals, 32); /* convert to [0, 2^32] */ - zvals_ui4 = spu_rlmask(zvals_ui4, -16); /* right shift 16 */ - - /* XXX this conditional could be removed with a bit of work */ - if (x & 1) { - /* convert zbuffer values from ushorts to uints */ - /* gather lower four ushorts */ - zbuf_ui4 = spu_shuffle((vector unsigned int) *zbuf, - (vector unsigned int) *zbuf, - ((vector unsigned char) { - ZERO, ZERO, 8, 9, ZERO, ZERO, 10, 11, - ZERO, ZERO, 12, 13, ZERO, ZERO, 14, 15})); - /* mask = (zbuf_ui4 < zvals_ui4) ? ~0 : 0 */ - mask = spu_cmpgt(zbuf_ui4, zvals_ui4); - /* mask &= inMask */ - mask = spu_and(mask, inMask); - /* zbuf = mask ? zval : zbuf */ - zbuf_ui4 = spu_sel(zbuf_ui4, zvals_ui4, mask); - /* convert zbuffer values from uints back to ushorts, preserve lower 4 */ - *zbuf = (vector unsigned short) - spu_shuffle(zbuf_ui4, (vector unsigned int) *zbuf, - ((vector unsigned char) { - 16, 17, 18, 19, 20, 21, 22, 23, - 2, 3, 6, 7, 10, 11, 14, 15})); - } - else { - /* convert zbuffer values from ushorts to uints */ - /* gather upper four ushorts */ - zbuf_ui4 = spu_shuffle((vector unsigned int) *zbuf, - (vector unsigned int) *zbuf, - ((vector unsigned char) { - ZERO, ZERO, 0, 1, ZERO, ZERO, 2, 3, - ZERO, ZERO, 4, 5, ZERO, ZERO, 6, 7})); - /* mask = (zbuf_ui4 < zvals_ui4) ? ~0 : 0 */ - mask = spu_cmpgt(zbuf_ui4, zvals_ui4); - /* mask &= inMask */ - mask = spu_and(mask, inMask); - /* zbuf = mask ? zval : zbuf */ - zbuf_ui4 = spu_sel(zbuf_ui4, zvals_ui4, mask); - /* convert zbuffer values from uints back to ushorts, preserve upper 4 */ - *zbuf = (vector unsigned short) - spu_shuffle(zbuf_ui4, (vector unsigned int) *zbuf, - ((vector unsigned char) { - 2, 3, 6, 7, 10, 11, 14, 15, - 24, 25, 26, 27, 28, 29, 30, 31})); - } - return mask; -#undef ZERO -} - - -/** - * As above, but Zbuffer values as 32-bit uints - */ -static INLINE vector unsigned int -spu_z32_test_less(vector float zvals, vector unsigned int *zbuf_ptr, - vector unsigned int inMask) -{ - vector unsigned int zvals_ui4, mask, zbuf = *zbuf_ptr; - - /* convert floats to uints in [0, 0xffffffff] */ - zvals_ui4 = spu_convtu(zvals, 32); - /* mask = (zbuf < zvals_ui4) ? ~0 : 0 */ - mask = spu_cmpgt(zbuf, zvals_ui4); - /* mask &= inMask */ - mask = spu_and(mask, inMask); - /* zbuf = mask ? zval : zbuf */ - *zbuf_ptr = spu_sel(zbuf, zvals_ui4, mask); - - return mask; -} - - -#endif /* SPU_ZTEST_H */ |