From 5a6fd9393021b9476273b7831bcda2186c9324a1 Mon Sep 17 00:00:00 2001 From: Ian Romanick Date: Wed, 30 Jan 2008 20:12:00 -0800 Subject: [PATCH] Use SPUs for vertex shader processing --- src/mesa/pipe/cell/ppu/Makefile | 1 + src/mesa/pipe/cell/ppu/cell_context.c | 12 +- src/mesa/pipe/cell/ppu/cell_context.h | 2 + src/mesa/pipe/cell/ppu/cell_vertex_shader.c | 118 ++++++++++++++++++++ 4 files changed, 132 insertions(+), 1 deletion(-) create mode 100644 src/mesa/pipe/cell/ppu/cell_vertex_shader.c diff --git a/src/mesa/pipe/cell/ppu/Makefile b/src/mesa/pipe/cell/ppu/Makefile index e7f2562da75..50060f5cd30 100644 --- a/src/mesa/pipe/cell/ppu/Makefile +++ b/src/mesa/pipe/cell/ppu/Makefile @@ -34,6 +34,7 @@ SOURCES = \ cell_surface.c \ cell_texture.c \ cell_vbuf.c \ + cell_vertex_shader.c \ cell_winsys.c diff --git a/src/mesa/pipe/cell/ppu/cell_context.c b/src/mesa/pipe/cell/ppu/cell_context.c index e8020a49bc3..4885cd0d2c7 100644 --- a/src/mesa/pipe/cell/ppu/cell_context.c +++ b/src/mesa/pipe/cell/ppu/cell_context.c @@ -39,6 +39,7 @@ #include "pipe/p_winsys.h" #include "pipe/cell/common.h" #include "pipe/draw/draw_context.h" +#include "pipe/draw/draw_private.h" #include "cell_clear.h" #include "cell_context.h" #include "cell_draw_arrays.h" @@ -156,6 +157,15 @@ cell_destroy_context( struct pipe_context *pipe ) } +static struct draw_context * +cell_draw_create(struct cell_context *cell) +{ + struct draw_context *draw = draw_create(); + + draw->shader_queue_flush = cell_vertex_shader_queue_flush; + draw->driver_private = cell; + return draw; +} struct pipe_context * @@ -242,7 +252,7 @@ cell_create_context(struct pipe_winsys *winsys, struct cell_winsys *cws) cell_init_surface_functions(cell); - cell->draw = draw_create(); + cell->draw = cell_draw_create(cell); cell_init_vbuf(cell); draw_set_rasterize_stage(cell->draw, cell->vbuf); diff --git a/src/mesa/pipe/cell/ppu/cell_context.h b/src/mesa/pipe/cell/ppu/cell_context.h index 65b89518ada..3b63419b5eb 100644 --- a/src/mesa/pipe/cell/ppu/cell_context.h +++ b/src/mesa/pipe/cell/ppu/cell_context.h @@ -126,6 +126,8 @@ cell_context(struct pipe_context *pipe) extern struct pipe_context * cell_create_context(struct pipe_winsys *ws, struct cell_winsys *cws); +extern void +cell_vertex_shader_queue_flush(struct draw_context *draw); diff --git a/src/mesa/pipe/cell/ppu/cell_vertex_shader.c b/src/mesa/pipe/cell/ppu/cell_vertex_shader.c new file mode 100644 index 00000000000..aef329a9024 --- /dev/null +++ b/src/mesa/pipe/cell/ppu/cell_vertex_shader.c @@ -0,0 +1,118 @@ +/* + * (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 cell_vertex_shader.c + * Vertex shader interface routines for Cell. + * + * \author Ian Romanick + */ + +#include "pipe/p_defines.h" +#include "pipe/p_context.h" +#include "pipe/p_winsys.h" + +#include "cell_context.h" +#include "cell_draw_arrays.h" +#include "cell_spu.h" +#include "cell_batch.h" + +#include "pipe/cell/common.h" +#include "pipe/draw/draw_context.h" +#include "pipe/draw/draw_private.h" + +/** + * Run the vertex shader on all vertices in the vertex queue. + * Called by the draw module when the vertx cache needs to be flushed. + */ +void +cell_vertex_shader_queue_flush(struct draw_context *draw) +{ + struct cell_context *const cell = + (struct cell_context *) draw->driver_private; + struct cell_command_vs *const vs = &cell_global.command[0].vs; + unsigned *batch; + struct cell_array_info array_info; + unsigned i, j; + + assert(draw->vs.queue_nr != 0); + + /* XXX: do this on statechange: + */ + draw_update_vertex_fetch(draw); + + for (i = 0; i < draw->vertex_fetch.nr_attrs; i++) { + array_info.opcode = CELL_CMD_STATE_VS_ARRAY_INFO; + assert(draw->vertex_fetch.src_ptr[i] != NULL); + array_info.base = (uintptr_t) draw->vertex_fetch.src_ptr[i]; + array_info.attr = i; + array_info.pitch = draw->vertex_fetch.pitch[i]; + array_info.format = draw->vertex_element[i].src_format; + + cell_batch_append(cell, & array_info, sizeof(array_info)); + } + + batch = cell_batch_alloc(cell, sizeof(unsigned) + + sizeof(struct pipe_viewport_state)); + batch[0] = CELL_CMD_STATE_VIEWPORT; + (void) memcpy(&batch[1], &draw->viewport, + sizeof(struct pipe_viewport_state)); + + cell_batch_flush(cell); + + vs->opcode = CELL_CMD_VS_EXECUTE; + vs->shader.num_outputs = draw->num_vs_outputs; + vs->shader.declarations = (uintptr_t) draw->machine.Declarations; + vs->shader.num_declarations = draw->machine.NumDeclarations; + vs->shader.instructions = (uintptr_t) draw->machine.Instructions; + vs->shader.num_instructions = draw->machine.NumInstructions; + vs->shader.uniforms = (uintptr_t) draw->user.constants; + vs->shader.immediates = (uintptr_t) draw->machine.Imms; + vs->shader.num_immediates = draw->machine.ImmLimit / 4; + vs->nr_attrs = draw->vertex_fetch.nr_attrs; + + (void) memcpy(vs->plane, draw->plane, sizeof(draw->plane)); + vs->nr_planes = draw->nr_planes; + + for (i = 0; i < draw->vs.queue_nr; i += SPU_VERTS_PER_BATCH) { + const unsigned n = MIN2(SPU_VERTS_PER_BATCH, draw->vs.queue_nr - i); + + for (j = 0; j < n; j++) { + vs->elts[j] = draw->vs.queue[i + j].elt; + vs->vOut[j] = (uintptr_t) draw->vs.queue[i + j].dest; + } + + for (/* empty */; j < SPU_VERTS_PER_BATCH; j++) { + vs->elts[j] = vs->elts[0]; + vs->vOut[j] = vs->vOut[0]; + } + + vs->num_elts = n; + send_mbox_message(cell_global.spe_contexts[0], CELL_CMD_VS_EXECUTE); + + cell_flush_int(& cell->pipe, PIPE_FLUSH_WAIT); + } + + draw->vs.queue_nr = 0; +} -- 2.30.2