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Diffstat (limited to 'src/mesa/pipe/cell/spu/main.c')
-rw-r--r--src/mesa/pipe/cell/spu/main.c553
1 files changed, 0 insertions, 553 deletions
diff --git a/src/mesa/pipe/cell/spu/main.c b/src/mesa/pipe/cell/spu/main.c
deleted file mode 100644
index 0b1e3d46da..0000000000
--- a/src/mesa/pipe/cell/spu/main.c
+++ /dev/null
@@ -1,553 +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.
- *
- **************************************************************************/
-
-
-/* main() for Cell SPU code */
-
-
-#include <stdio.h>
-#include <libmisc.h>
-#include <spu_mfcio.h>
-
-#include "main.h"
-#include "tri.h"
-#include "tile.h"
-#include "pipe/cell/common.h"
-#include "pipe/p_defines.h"
-
-/*
-helpful headers:
-/usr/lib/gcc/spu/4.1.1/include/spu_mfcio.h
-/opt/ibm/cell-sdk/prototype/sysroot/usr/include/libmisc.h
-*/
-
-static boolean Debug = FALSE;
-
-volatile struct cell_init_info init;
-
-struct framebuffer fb;
-
-
-
-void
-wait_on_mask(unsigned tagMask)
-{
- mfc_write_tag_mask( tagMask );
- /* wait for completion of _any_ DMAs specified by tagMask */
- mfc_read_tag_status_any();
-}
-
-
-static void
-wait_on_mask_all(unsigned tagMask)
-{
- mfc_write_tag_mask( tagMask );
- /* wait for completion of _any_ DMAs specified by tagMask */
- mfc_read_tag_status_all();
-}
-
-
-
-/**
- * For tiles whose status is TILE_STATUS_CLEAR, write solid-filled
- * tiles back to the main framebuffer.
- */
-static void
-really_clear_tiles(uint surfaceIndex)
-{
- const uint num_tiles = fb.width_tiles * fb.height_tiles;
- uint i, j;
-
- if (surfaceIndex == 0) {
- for (i = 0; i < TILE_SIZE; i++)
- for (j = 0; j < TILE_SIZE; j++)
- ctile[i][j] = fb.color_clear_value;
-
- for (i = init.id; i < num_tiles; i += init.num_spus) {
- uint tx = i % fb.width_tiles;
- uint ty = i / fb.width_tiles;
- if (tile_status[ty][tx] == TILE_STATUS_CLEAR) {
- put_tile(&fb, tx, ty, (uint *) ctile, TAG_SURFACE_CLEAR, 0);
- }
- }
- }
- else {
- for (i = 0; i < TILE_SIZE; i++)
- for (j = 0; j < TILE_SIZE; j++)
- ztile[i][j] = fb.depth_clear_value;
-
- for (i = init.id; i < num_tiles; i += init.num_spus) {
- uint tx = i % fb.width_tiles;
- uint ty = i / fb.width_tiles;
- if (tile_status_z[ty][tx] == TILE_STATUS_CLEAR)
- put_tile(&fb, tx, ty, (uint *) ctile, TAG_SURFACE_CLEAR, 1);
- }
- }
-
-#if 0
- wait_on_mask(1 << TAG_SURFACE_CLEAR);
-#endif
-}
-
-
-static void
-cmd_clear_surface(const struct cell_command_clear_surface *clear)
-{
- const uint num_tiles = fb.width_tiles * fb.height_tiles;
- uint i, j;
-
- if (Debug)
- printf("SPU %u: CLEAR SURF %u to 0x%08x\n", init.id,
- clear->surface, clear->value);
-
-#define CLEAR_OPT 1
-#if CLEAR_OPT
- /* set all tile's status to CLEAR */
- if (clear->surface == 0) {
- memset(tile_status, TILE_STATUS_CLEAR, sizeof(tile_status));
- fb.color_clear_value = clear->value;
- }
- else {
- memset(tile_status_z, TILE_STATUS_CLEAR, sizeof(tile_status_z));
- fb.depth_clear_value = clear->value;
- }
- return;
-#endif
-
- if (clear->surface == 0) {
- for (i = 0; i < TILE_SIZE; i++)
- for (j = 0; j < TILE_SIZE; j++)
- ctile[i][j] = clear->value;
- }
- else {
- for (i = 0; i < TILE_SIZE; i++)
- for (j = 0; j < TILE_SIZE; j++)
- ztile[i][j] = clear->value;
- }
-
- /*
- printf("SPU: %s num=%d w=%d h=%d\n",
- __FUNCTION__, num_tiles, fb.width_tiles, fb.height_tiles);
- */
-
- for (i = init.id; i < num_tiles; i += init.num_spus) {
- uint tx = i % fb.width_tiles;
- uint ty = i / fb.width_tiles;
- if (clear->surface == 0)
- put_tile(&fb, tx, ty, (uint *) ctile, TAG_SURFACE_CLEAR, 0);
- else
- put_tile(&fb, tx, ty, (uint *) ztile, TAG_SURFACE_CLEAR, 1);
- /* XXX we don't want this here, but it fixes bad tile results */
- }
-
-#if 0
- wait_on_mask(1 << TAG_SURFACE_CLEAR);
-#endif
-}
-
-
-/**
- * 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 1
- /* Debug: full-window bounding box */
- uint txmax = fb.width_tiles - 1;
- uint tymax = fb.height_tiles - 1;
- *txmin = 0;
- *tymin = 0;
- *box_num_tiles = fb.width_tiles * fb.height_tiles;
- *box_width_tiles = 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;
- *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("Render bounds: %g, %g ... %g, %g\n",
- render->xmin, render->ymin, render->xmax, render->ymax);
- printf("Render tiles: %u, %u .. %u, %u\n", *txmin, *tymin, txmax, tymax);
-#endif
-}
-
-
-static void
-cmd_render(const struct cell_command_render *render)
-{
- /* we'll DMA into these buffers */
- ubyte vertex_data[CELL_MAX_VBUF_SIZE] ALIGN16_ATTRIB;
- ushort indexes[CELL_MAX_VBUF_INDEXES] ALIGN16_ATTRIB;
-
- uint i, j, vertex_size, vertex_bytes, index_bytes;
-
- if (Debug)
- printf("SPU %u: RENDER prim %u, indices: %u, nr_vert: %u\n",
- init.id,
- render->prim_type,
- render->num_verts,
- render->num_indexes);
-
-
- ASSERT_ALIGN16(render->vertex_data);
- ASSERT_ALIGN16(render->index_data);
-
- vertex_size = render->num_attribs * 4 * sizeof(float);
-
- /* how much vertex data */
- vertex_bytes = render->num_verts * vertex_size;
- index_bytes = render->num_indexes * sizeof(ushort);
- if (index_bytes < 8)
- index_bytes = 8;
- else
- index_bytes = (index_bytes + 15) & ~0xf; /* multiple of 16 */
-
- /*
- printf("VBUF: indices at %p, vertices at %p vertex_bytes %u ind_bytes %u\n",
- render->index_data, render->vertex_data, vertex_bytes, index_bytes);
- */
-
- /* get vertex data from main memory */
- mfc_get(vertex_data, /* dest */
- (unsigned int) render->vertex_data, /* src */
- vertex_bytes, /* size */
- TAG_VERTEX_BUFFER,
- 0, /* tid */
- 0 /* rid */);
-
- /* get index data from main memory */
- mfc_get(indexes, /* dest */
- (unsigned int) render->index_data, /* src */
- index_bytes,
- TAG_INDEX_BUFFER,
- 0, /* tid */
- 0 /* rid */);
-
- wait_on_mask_all((1 << TAG_VERTEX_BUFFER) |
- (1 << TAG_INDEX_BUFFER));
-
- /* find tiles which intersect the prim bounding box */
- uint txmin, tymin, box_width_tiles, box_num_tiles;
-#if 0
- tile_bounding_box(render, &txmin, &tymin,
- &box_num_tiles, &box_width_tiles);
-#else
- txmin = 0;
- tymin = 0;
- box_num_tiles = fb.width_tiles * fb.height_tiles;
- box_width_tiles = fb.width_tiles;
-#endif
-
- /* make sure any pending clears have completed */
- wait_on_mask(1 << TAG_SURFACE_CLEAR);
-
- /* loop over tiles */
- for (i = init.id; i < box_num_tiles; i += init.num_spus) {
- const uint tx = txmin + i % box_width_tiles;
- const uint ty = tymin + i / box_width_tiles;
-
- ASSERT(tx < fb.width_tiles);
- ASSERT(ty < fb.height_tiles);
-
- /* Start fetching color/z tiles. We'll wait for completion when
- * we need read/write to them later in triangle rasterization.
- */
- if (fb.depth_format == PIPE_FORMAT_Z16_UNORM) {
- if (tile_status_z[ty][tx] != TILE_STATUS_CLEAR) {
- get_tile(&fb, tx, ty, (uint *) ztile, TAG_READ_TILE_Z, 1);
- }
- }
-
- if (tile_status[ty][tx] != TILE_STATUS_CLEAR) {
- get_tile(&fb, tx, ty, (uint *) ctile, TAG_READ_TILE_COLOR, 0);
- }
-
- ASSERT(render->prim_type == PIPE_PRIM_TRIANGLES);
-
- /* loop over tris */
- for (j = 0; j < render->num_indexes; j += 3) {
- const float *v0, *v1, *v2;
-
- v0 = (const float *) (vertex_data + indexes[j+0] * vertex_size);
- v1 = (const float *) (vertex_data + indexes[j+1] * vertex_size);
- v2 = (const float *) (vertex_data + indexes[j+2] * vertex_size);
-
- tri_draw(v0, v1, v2, tx, ty);
- }
-
- /* write color/z tiles back to main framebuffer, if dirtied */
- if (tile_status[ty][tx] == TILE_STATUS_DIRTY) {
- put_tile(&fb, tx, ty, (uint *) ctile, TAG_WRITE_TILE_COLOR, 0);
- tile_status[ty][tx] = TILE_STATUS_DEFINED;
- }
- if (fb.depth_format == PIPE_FORMAT_Z16_UNORM) {
- if (tile_status_z[ty][tx] == TILE_STATUS_DIRTY) {
- put_tile(&fb, tx, ty, (uint *) ztile, TAG_WRITE_TILE_Z, 1);
- tile_status_z[ty][tx] = TILE_STATUS_DEFINED;
- }
- }
-
- /* XXX move these... */
- wait_on_mask(1 << TAG_WRITE_TILE_COLOR);
- if (fb.depth_format == PIPE_FORMAT_Z16_UNORM) {
- wait_on_mask(1 << TAG_WRITE_TILE_Z);
- }
- }
-}
-
-
-static void
-cmd_framebuffer(const struct cell_command_framebuffer *cmd)
-{
- if (Debug)
- printf("SPU %u: FRAMEBUFFER: %d x %d at %p, cformat 0x%x zformat 0x%x\n",
- init.id,
- cmd->width,
- cmd->height,
- cmd->color_start,
- cmd->color_format,
- cmd->depth_format);
-
- fb.color_start = cmd->color_start;
- fb.depth_start = cmd->depth_start;
- fb.color_format = cmd->color_format;
- fb.depth_format = cmd->depth_format;
- fb.width = cmd->width;
- fb.height = cmd->height;
- fb.width_tiles = (fb.width + TILE_SIZE - 1) / TILE_SIZE;
- fb.height_tiles = (fb.height + TILE_SIZE - 1) / TILE_SIZE;
-}
-
-
-static void
-cmd_finish(void)
-{
- if (Debug)
- printf("SPU %u: FINISH\n", init.id);
- really_clear_tiles(0);
- /* wait for all outstanding DMAs to finish */
- mfc_write_tag_mask(~0);
- mfc_read_tag_status_all();
- /* send mbox message to PPU */
- spu_write_out_mbox(CELL_CMD_FINISH);
-}
-
-
-/**
- * Execute a batch of commands
- * The opcode param encodes the location of the buffer and its size.
- */
-static void
-cmd_batch(uint opcode)
-{
- const uint buf = (opcode >> 8) & 0xff;
- uint size = (opcode >> 16);
- uint buffer[CELL_BATCH_BUFFER_SIZE / 4] ALIGN16_ATTRIB;
- const uint usize = size / sizeof(uint);
- uint pos;
-
- if (Debug)
- printf("SPU %u: BATCH buffer %u, len %u, from %p\n",
- init.id, buf, size, init.batch_buffers[buf]);
-
- ASSERT((opcode & CELL_CMD_OPCODE_MASK) == CELL_CMD_BATCH);
-
- ASSERT_ALIGN16(init.batch_buffers[buf]);
-
- size = (size + 0xf) & ~0xf;
-
- mfc_get(buffer, /* dest */
- (unsigned int) init.batch_buffers[buf], /* src */
- size,
- TAG_BATCH_BUFFER,
- 0, /* tid */
- 0 /* rid */);
- wait_on_mask(1 << TAG_BATCH_BUFFER);
-
- for (pos = 0; pos < usize; /* no incr */) {
- switch (buffer[pos]) {
- case CELL_CMD_FRAMEBUFFER:
- {
- struct cell_command_framebuffer *fb
- = (struct cell_command_framebuffer *) &buffer[pos];
- cmd_framebuffer(fb);
- pos += sizeof(*fb) / 4;
- }
- break;
- case CELL_CMD_CLEAR_SURFACE:
- {
- struct cell_command_clear_surface *clr
- = (struct cell_command_clear_surface *) &buffer[pos];
- cmd_clear_surface(clr);
- pos += sizeof(*clr) / 4;
- }
- break;
- case CELL_CMD_RENDER:
- {
- struct cell_command_render *render
- = (struct cell_command_render *) &buffer[pos];
- cmd_render(render);
- pos += sizeof(*render) / 4;
- }
- break;
- case CELL_CMD_FINISH:
- cmd_finish();
- pos += 1;
- break;
- default:
- printf("SPU %u: bad opcode: 0x%x\n", init.id, buffer[pos]);
- ASSERT(0);
- break;
- }
- }
-
- if (Debug)
- printf("SPU %u: BATCH complete\n", init.id);
-}
-
-
-/**
- * Temporary/simple main loop for SPEs: Get a command, execute it, repeat.
- */
-static void
-main_loop(void)
-{
- struct cell_command cmd;
- int exitFlag = 0;
-
- if (Debug)
- printf("SPU %u: Enter main loop\n", init.id);
-
- ASSERT((sizeof(struct cell_command) & 0xf) == 0);
- ASSERT_ALIGN16(&cmd);
-
- while (!exitFlag) {
- unsigned opcode;
- int tag = 0;
-
- if (Debug)
- printf("SPU %u: Wait for cmd...\n", init.id);
-
- /* read/wait from mailbox */
- opcode = (unsigned int) spu_read_in_mbox();
-
- if (Debug)
- printf("SPU %u: got cmd 0x%x\n", init.id, opcode);
-
- /* command payload */
- mfc_get(&cmd, /* dest */
- (unsigned int) init.cmd, /* src */
- sizeof(struct cell_command), /* bytes */
- tag,
- 0, /* tid */
- 0 /* rid */);
- wait_on_mask( 1 << tag );
-
- switch (opcode & CELL_CMD_OPCODE_MASK) {
- case CELL_CMD_EXIT:
- if (Debug)
- printf("SPU %u: EXIT\n", init.id);
- exitFlag = 1;
- break;
- case CELL_CMD_FRAMEBUFFER:
- cmd_framebuffer(&cmd.fb);
- break;
- case CELL_CMD_CLEAR_SURFACE:
- cmd_clear_surface(&cmd.clear);
- break;
- case CELL_CMD_RENDER:
- cmd_render(&cmd.render);
- break;
- case CELL_CMD_BATCH:
- cmd_batch(opcode);
- break;
- case CELL_CMD_FINISH:
- cmd_finish();
- break;
- default:
- printf("Bad opcode!\n");
- }
-
- }
-
- if (Debug)
- printf("SPU %u: Exit main loop\n", init.id);
-}
-
-
-
-static void
-one_time_init(void)
-{
- memset(tile_status, TILE_STATUS_DEFINED, sizeof(tile_status));
- memset(tile_status_z, TILE_STATUS_DEFINED, sizeof(tile_status_z));
-}
-
-
-/**
- * SPE entrypoint.
- * Note: example programs declare params as 'unsigned long long' but
- * that doesn't work.
- */
-int
-main(unsigned long speid, unsigned long argp)
-{
- int tag = 0;
-
- (void) speid;
-
- one_time_init();
-
- if (Debug)
- printf("SPU: main() speid=%lu\n", speid);
-
- mfc_get(&init, /* dest */
- (unsigned int) argp, /* src */
- sizeof(struct cell_init_info), /* bytes */
- tag,
- 0, /* tid */
- 0 /* rid */);
- wait_on_mask( 1 << tag );
-
-
- main_loop();
-
- return 0;
-}
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