diff options
Diffstat (limited to 'src/mesa/pipe/cell/spu/spu_render.c')
-rw-r--r-- | src/mesa/pipe/cell/spu/spu_render.c | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/src/mesa/pipe/cell/spu/spu_render.c b/src/mesa/pipe/cell/spu/spu_render.c deleted file mode 100644 index 932fb500b3..0000000000 --- a/src/mesa/pipe/cell/spu/spu_render.c +++ /dev/null @@ -1,301 +0,0 @@ -/************************************************************************** - * - * Copyright 2008 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. - * - **************************************************************************/ - - -#include <stdio.h> -#include <libmisc.h> -#include <spu_mfcio.h> - -#include "spu_main.h" -#include "spu_render.h" -#include "spu_tri.h" -#include "spu_tile.h" -#include "pipe/cell/common.h" - - - -/** - * Given a rendering command's bounding box (in pixels) compute the - * location of the corresponding screen tile bounding box. - */ -static INLINE void -tile_bounding_box(const struct cell_command_render *render, - uint *txmin, uint *tymin, - uint *box_num_tiles, uint *box_width_tiles) -{ -#if 0 - /* Debug: full-window bounding box */ - uint txmax = spu.fb.width_tiles - 1; - uint tymax = spu.fb.height_tiles - 1; - *txmin = 0; - *tymin = 0; - *box_num_tiles = spu.fb.width_tiles * spu.fb.height_tiles; - *box_width_tiles = spu.fb.width_tiles; - (void) render; - (void) txmax; - (void) tymax; -#else - uint txmax, tymax, box_height_tiles; - - *txmin = (uint) render->xmin / TILE_SIZE; - *tymin = (uint) render->ymin / TILE_SIZE; - txmax = (uint) render->xmax / TILE_SIZE; - tymax = (uint) render->ymax / TILE_SIZE; - if (txmax >= spu.fb.width_tiles) - txmax = spu.fb.width_tiles-1; - if (tymax >= spu.fb.height_tiles) - tymax = spu.fb.height_tiles-1; - *box_width_tiles = txmax - *txmin + 1; - box_height_tiles = tymax - *tymin + 1; - *box_num_tiles = *box_width_tiles * box_height_tiles; -#endif -#if 0 - printf("SPU %u: bounds: %g, %g ... %g, %g\n", spu.init.id, - render->xmin, render->ymin, render->xmax, render->ymax); - printf("SPU %u: tiles: %u, %u .. %u, %u\n", - spu.init.id, *txmin, *tymin, txmax, tymax); - ASSERT(render->xmin <= render->xmax); - ASSERT(render->ymin <= render->ymax); -#endif -} - - -/** Check if the tile at (tx,ty) belongs to this SPU */ -static INLINE boolean -my_tile(uint tx, uint ty) -{ - return (spu.fb.width_tiles * ty + tx) % spu.init.num_spus == spu.init.id; -} - - -/** - * Start fetching non-clear color/Z tiles from main memory - */ -static INLINE void -get_cz_tiles(uint tx, uint ty) -{ - if (spu.depth_stencil.depth.enabled) { - 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); - spu.cur_ztile_status = TILE_STATUS_GETTING; - } - } - - if (spu.cur_ctile_status != TILE_STATUS_CLEAR) { - //printf("SPU %u: getting C tile %u, %u\n", spu.init.id, tx, ty); - get_tile(tx, ty, &spu.ctile, TAG_READ_TILE_COLOR, 0); - spu.cur_ctile_status = TILE_STATUS_GETTING; - } -} - - -/** - * Start putting dirty color/Z tiles back to main memory - */ -static INLINE void -put_cz_tiles(uint tx, uint ty) -{ - if (spu.cur_ztile_status == TILE_STATUS_DIRTY) { - /* tile was modified and needs to be written back */ - //printf("SPU %u: put dirty Z tile %u, %u\n", spu.init.id, tx, ty); - put_tile(tx, ty, &spu.ztile, TAG_WRITE_TILE_Z, 1); - spu.cur_ztile_status = TILE_STATUS_DEFINED; - } - else if (spu.cur_ztile_status == TILE_STATUS_GETTING) { - /* tile was never used */ - spu.cur_ztile_status = TILE_STATUS_DEFINED; - //printf("SPU %u: put getting Z tile %u, %u\n", spu.init.id, tx, ty); - } - - if (spu.cur_ctile_status == TILE_STATUS_DIRTY) { - /* tile was modified and needs to be written back */ - //printf("SPU %u: put dirty C tile %u, %u\n", spu.init.id, tx, ty); - put_tile(tx, ty, &spu.ctile, TAG_WRITE_TILE_COLOR, 0); - spu.cur_ctile_status = TILE_STATUS_DEFINED; - } - else if (spu.cur_ctile_status == TILE_STATUS_GETTING) { - /* tile was never used */ - spu.cur_ctile_status = TILE_STATUS_DEFINED; - //printf("SPU %u: put getting C tile %u, %u\n", spu.init.id, tx, ty); - } -} - - -/** - * Wait for 'put' of color/z tiles to complete. - */ -static INLINE void -wait_put_cz_tiles(void) -{ - wait_on_mask(1 << TAG_WRITE_TILE_COLOR); - if (spu.depth_stencil.depth.enabled) { - wait_on_mask(1 << TAG_WRITE_TILE_Z); - } -} - - -/** - * Render primitives - * \param pos_incr returns value indicating how may words to skip after - * this command in the batch buffer - */ -void -cmd_render(const struct cell_command_render *render, uint *pos_incr) -{ - /* we'll DMA into these buffers */ - ubyte vertex_data[CELL_BUFFER_SIZE] ALIGN16_ATTRIB; - const uint vertex_size = render->vertex_size; /* in bytes */ - /*const*/ uint total_vertex_bytes = render->num_verts * vertex_size; - uint index_bytes; - const ubyte *vertices; - const ushort *indexes; - uint i, j; - - - if (Debug) { - printf("SPU %u: RENDER prim %u, num_vert=%u num_ind=%u " - "inline_vert=%u\n", - spu.init.id, - render->prim_type, - render->num_verts, - render->num_indexes, - render->inline_verts); - - /* - printf(" bound: %g, %g .. %g, %g\n", - render->xmin, render->ymin, render->xmax, render->ymax); - */ - } - - ASSERT(sizeof(*render) % 4 == 0); - ASSERT(total_vertex_bytes % 16 == 0); - ASSERT(render->prim_type == PIPE_PRIM_TRIANGLES); - ASSERT(render->num_indexes % 3 == 0); - - - /* indexes are right after the render command in the batch buffer */ - indexes = (const ushort *) (render + 1); - index_bytes = ROUNDUP8(render->num_indexes * 2); - *pos_incr = index_bytes / 8 + sizeof(*render) / 8; - - - if (render->inline_verts) { - /* Vertices are after indexes in batch buffer at next 16-byte addr */ - vertices = (const ubyte *) render + (*pos_incr * 8); - vertices = (const ubyte *) align_pointer((void *) vertices, 16); - ASSERT_ALIGN16(vertices); - *pos_incr = ((vertices + total_vertex_bytes) - (ubyte *) render) / 8; - } - else { - /* Begin DMA fetch of vertex buffer */ - ubyte *src = spu.init.buffers[render->vertex_buf]; - ubyte *dest = vertex_data; - - /* skip vertex data we won't use */ -#if 01 - src += render->min_index * vertex_size; - dest += render->min_index * vertex_size; - total_vertex_bytes -= render->min_index * vertex_size; -#endif - ASSERT(total_vertex_bytes % 16 == 0); - ASSERT_ALIGN16(dest); - ASSERT_ALIGN16(src); - - mfc_get(dest, /* in vertex_data[] array */ - (unsigned int) src, /* src in main memory */ - total_vertex_bytes, /* size */ - TAG_VERTEX_BUFFER, - 0, /* tid */ - 0 /* rid */); - - vertices = vertex_data; - - wait_on_mask(1 << TAG_VERTEX_BUFFER); - } - - - /** - ** find tiles which intersect the prim bounding box - **/ - uint txmin, tymin, box_width_tiles, box_num_tiles; - tile_bounding_box(render, &txmin, &tymin, - &box_num_tiles, &box_width_tiles); - - - /* make sure any pending clears have completed */ - wait_on_mask(1 << TAG_SURFACE_CLEAR); /* XXX temporary */ - - - /** - ** loop over tiles, rendering tris - **/ - for (i = 0; i < box_num_tiles; i++) { - const uint tx = txmin + i % box_width_tiles; - const uint ty = tymin + i / box_width_tiles; - - ASSERT(tx < spu.fb.width_tiles); - ASSERT(ty < spu.fb.height_tiles); - - if (!my_tile(tx, ty)) - continue; - - spu.cur_ctile_status = spu.ctile_status[ty][tx]; - spu.cur_ztile_status = spu.ztile_status[ty][tx]; - - get_cz_tiles(tx, ty); - - uint drawn = 0; - - /* loop over tris */ - for (j = 0; j < render->num_indexes; j += 3) { - const float *v0, *v1, *v2; - - v0 = (const float *) (vertices + indexes[j+0] * vertex_size); - v1 = (const float *) (vertices + indexes[j+1] * vertex_size); - v2 = (const float *) (vertices + indexes[j+2] * vertex_size); - - drawn += tri_draw(v0, v1, v2, tx, ty); - } - - //printf("SPU %u: drew %u of %u\n", spu.init.id, drawn, render->num_indexes/3); - - /* write color/z tiles back to main framebuffer, if dirtied */ - put_cz_tiles(tx, ty); - - wait_put_cz_tiles(); /* XXX seems unnecessary... */ - - spu.ctile_status[ty][tx] = spu.cur_ctile_status; - spu.ztile_status[ty][tx] = spu.cur_ztile_status; - } - - if (Debug) - printf("SPU %u: RENDER done\n", - spu.init.id); -} - - |