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/**************************************************************************
*
* 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 "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"
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_FRAMEBUFFER |
CELL_NEW_DEPTH_STENCIL |
CELL_NEW_BLEND)) {
/* XXX we don't want to always do codegen here. We should have
* a hash/lookup table to cache previous results...
*/
struct cell_command_fragment_ops *fops
= cell_batch_alloc(cell, sizeof(*fops));
struct spe_function spe_code;
/* 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);
/* put the new code into the batch buffer */
fops->opcode = CELL_CMD_STATE_FRAGMENT_OPS;
memcpy(&fops->code, spe_code.store,
SPU_MAX_FRAGMENT_OPS_INSTS * SPE_INST_SIZE);
fops->dsa = *cell->depth_stencil;
fops->blend = *cell->blend;
/* free codegen buffer */
spe_release_func(&spe_code);
}
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
}
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