diff options
Diffstat (limited to 'src/gallium/drivers/cell/ppu/cell_state_emit.c')
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_state_emit.c | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_state_emit.c b/src/gallium/drivers/cell/ppu/cell_state_emit.c new file mode 100644 index 0000000000..cbfa393cfb --- /dev/null +++ b/src/gallium/drivers/cell/ppu/cell_state_emit.c @@ -0,0 +1,247 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + +#include "pipe/p_inlines.h" +#include "util/u_memory.h" +#include "cell_context.h" +#include "cell_gen_fragment.h" +#include "cell_state.h" +#include "cell_state_emit.h" +#include "cell_batch.h" +#include "cell_texture.h" +#include "draw/draw_context.h" +#include "draw/draw_private.h" + + +/** + * Find/create a cell_command_fragment_ops object corresponding to the + * current blend/stencil/z/colormask/etc. state. + */ +static struct cell_command_fragment_ops * +lookup_fragment_ops(struct cell_context *cell) +{ + struct cell_fragment_ops_key key; + struct cell_command_fragment_ops *ops; + + /* + * Build key + */ + memset(&key, 0, sizeof(key)); + key.blend = *cell->blend; + key.dsa = *cell->depth_stencil; + + if (cell->framebuffer.cbufs[0]) + key.color_format = cell->framebuffer.cbufs[0]->format; + else + key.color_format = PIPE_FORMAT_NONE; + + if (cell->framebuffer.zsbuf) + key.zs_format = cell->framebuffer.zsbuf->format; + else + key.zs_format = PIPE_FORMAT_NONE; + + /* + * Look up key in cache. + */ + ops = (struct cell_command_fragment_ops *) + util_keymap_lookup(cell->fragment_ops_cache, &key); + + /* + * If not found, create/save new fragment ops command. + */ + if (!ops) { + struct spe_function spe_code; + + if (0) + debug_printf("**** Create New Fragment Ops\n"); + + /* Prepare the buffer that will hold the generated code. */ + spe_init_func(&spe_code, SPU_MAX_FRAGMENT_OPS_INSTS * SPE_INST_SIZE); + + /* generate new code */ + cell_gen_fragment_function(cell, &spe_code); + + /* alloc new fragment ops command */ + ops = CALLOC_STRUCT(cell_command_fragment_ops); + + /* populate the new cell_command_fragment_ops object */ + ops->opcode = CELL_CMD_STATE_FRAGMENT_OPS; + memcpy(ops->code, spe_code.store, spe_code_size(&spe_code)); + ops->dsa = *cell->depth_stencil; + ops->blend = *cell->blend; + + /* insert cell_command_fragment_ops object into keymap/cache */ + util_keymap_insert(cell->fragment_ops_cache, &key, ops, NULL); + + /* release rtasm buffer */ + spe_release_func(&spe_code); + } + else { + if (0) + debug_printf("**** Re-use Fragment Ops\n"); + } + + return ops; +} + + + +static void +emit_state_cmd(struct cell_context *cell, uint cmd, + const void *state, uint state_size) +{ + uint64_t *dst = (uint64_t *) + cell_batch_alloc(cell, ROUNDUP8(sizeof(uint64_t) + state_size)); + *dst = cmd; + memcpy(dst + 1, state, state_size); +} + + +/** + * For state marked as 'dirty', construct a state-update command block + * and insert it into the current batch buffer. + */ +void +cell_emit_state(struct cell_context *cell) +{ + if (cell->dirty & CELL_NEW_FRAMEBUFFER) { + struct pipe_surface *cbuf = cell->framebuffer.cbufs[0]; + struct pipe_surface *zbuf = cell->framebuffer.zsbuf; + struct cell_command_framebuffer *fb + = cell_batch_alloc(cell, sizeof(*fb)); + fb->opcode = CELL_CMD_STATE_FRAMEBUFFER; + fb->color_start = cell->cbuf_map[0]; + fb->color_format = cbuf->format; + fb->depth_start = cell->zsbuf_map; + fb->depth_format = zbuf ? zbuf->format : PIPE_FORMAT_NONE; + fb->width = cell->framebuffer.width; + fb->height = cell->framebuffer.height; +#if 0 + printf("EMIT color format %s\n", pf_name(fb->color_format)); + printf("EMIT depth format %s\n", pf_name(fb->depth_format)); +#endif + } + + if (cell->dirty & (CELL_NEW_FS)) { + /* Send new fragment program to SPUs */ + struct cell_command_fragment_program *fp + = cell_batch_alloc(cell, sizeof(*fp)); + fp->opcode = CELL_CMD_STATE_FRAGMENT_PROGRAM; + fp->num_inst = cell->fs->code.num_inst; + memcpy(&fp->code, cell->fs->code.store, + SPU_MAX_FRAGMENT_PROGRAM_INSTS * SPE_INST_SIZE); + if (0) { + int i; + printf("PPU Emit CELL_CMD_STATE_FRAGMENT_PROGRAM:\n"); + for (i = 0; i < fp->num_inst; i++) { + printf(" %3d: 0x%08x\n", i, fp->code[i]); + } + } + } + + if (cell->dirty & (CELL_NEW_FS_CONSTANTS)) { + const uint shader = PIPE_SHADER_FRAGMENT; + const uint num_const = cell->constants[shader].size / sizeof(float); + uint i, j; + float *buf = cell_batch_alloc(cell, 16 + num_const * sizeof(float)); + uint64_t *ibuf = (uint64_t *) buf; + const float *constants = pipe_buffer_map(cell->pipe.screen, + cell->constants[shader].buffer, + PIPE_BUFFER_USAGE_CPU_READ); + ibuf[0] = CELL_CMD_STATE_FS_CONSTANTS; + ibuf[1] = num_const; + j = 4; + for (i = 0; i < num_const; i++) { + buf[j++] = constants[i]; + } + pipe_buffer_unmap(cell->pipe.screen, cell->constants[shader].buffer); + } + + if (cell->dirty & (CELL_NEW_FRAMEBUFFER | + CELL_NEW_DEPTH_STENCIL | + CELL_NEW_BLEND)) { + struct cell_command_fragment_ops *fops, *fops_cmd; + fops_cmd = cell_batch_alloc(cell, sizeof(*fops_cmd)); + fops = lookup_fragment_ops(cell); + memcpy(fops_cmd, fops, sizeof(*fops)); + } + + if (cell->dirty & CELL_NEW_SAMPLER) { + uint i; + for (i = 0; i < CELL_MAX_SAMPLERS; i++) { + if (cell->sampler[i]) { + struct cell_command_sampler *sampler + = cell_batch_alloc(cell, sizeof(*sampler)); + sampler->opcode = CELL_CMD_STATE_SAMPLER; + sampler->unit = i; + sampler->state = *cell->sampler[i]; + } + } + } + + if (cell->dirty & CELL_NEW_TEXTURE) { + uint i; + for (i = 0;i < CELL_MAX_SAMPLERS; i++) { + struct cell_command_texture *texture + = cell_batch_alloc(cell, sizeof(*texture)); + texture->opcode = CELL_CMD_STATE_TEXTURE; + texture->unit = i; + if (cell->texture[i]) { + texture->start = cell->texture[i]->tiled_data; + texture->width = cell->texture[i]->base.width[0]; + texture->height = cell->texture[i]->base.height[0]; + } + else { + texture->start = NULL; + texture->width = 1; + texture->height = 1; + } + } + } + + if (cell->dirty & CELL_NEW_VERTEX_INFO) { + emit_state_cmd(cell, CELL_CMD_STATE_VERTEX_INFO, + &cell->vertex_info, sizeof(struct vertex_info)); + } + +#if 0 + if (cell->dirty & CELL_NEW_VS) { + const struct draw_context *const draw = cell->draw; + struct cell_shader_info info; + + info.num_outputs = draw_num_vs_outputs(draw); + info.declarations = (uintptr_t) draw->vs.machine.Declarations; + info.num_declarations = draw->vs.machine.NumDeclarations; + info.instructions = (uintptr_t) draw->vs.machine.Instructions; + info.num_instructions = draw->vs.machine.NumInstructions; + info.immediates = (uintptr_t) draw->vs.machine.Imms; + info.num_immediates = draw->vs.machine.ImmLimit / 4; + + emit_state_cmd(cell, CELL_CMD_STATE_BIND_VS, &info, sizeof(info)); + } +#endif +} |