src/gallium/drivers/cell/ppu/cell_state_emit.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include "util/u_memory.h"
  29 #include "cell_context.h"
  30 #include "cell_gen_fragment.h"
  31 #include "cell_state.h"
  32 #include "cell_state_emit.h"
  33 #include "cell_state_per_fragment.h"
  34 #include "cell_batch.h"
  35 #include "cell_texture.h"
  36 #include "draw/draw_context.h"
  37 #include "draw/draw_private.h"
  38
  39
  40 static void
  41 emit_state_cmd(struct cell_context *cell, uint cmd,
  42                const void *state, uint state_size)
  43 {
  44    uint64_t *dst = (uint64_t *)
  45        cell_batch_alloc(cell, ROUNDUP8(sizeof(uint64_t) + state_size));
  46    *dst = cmd;
  47    memcpy(dst + 1, state, state_size);
  48 }
  49
  50
  51 /**
  52  * For state marked as 'dirty', construct a state-update command block
  53  * and insert it into the current batch buffer.
  54  */
  55 void
  56 cell_emit_state(struct cell_context *cell)
  57 {
  58    if (cell->dirty & CELL_NEW_FRAMEBUFFER) {
  59       struct pipe_surface *cbuf = cell->framebuffer.cbufs[0];
  60       struct pipe_surface *zbuf = cell->framebuffer.zsbuf;
  61       struct cell_command_framebuffer *fb
  62          = cell_batch_alloc(cell, sizeof(*fb));
  63       fb->opcode = CELL_CMD_STATE_FRAMEBUFFER;
  64       fb->color_start = cell->cbuf_map[0];
  65       fb->color_format = cbuf->format;
  66       fb->depth_start = cell->zsbuf_map;
  67       fb->depth_format = zbuf ? zbuf->format : PIPE_FORMAT_NONE;
  68       fb->width = cell->framebuffer.width;
  69       fb->height = cell->framebuffer.height;
  70 #if 0
  71       printf("EMIT color format %s\n", pf_name(fb->color_format));
  72       printf("EMIT depth format %s\n", pf_name(fb->depth_format));
  73 #endif
  74    }
  75
  76    if (cell->dirty & (CELL_NEW_FS)) {
  77       /* Send new fragment program to SPUs */
  78       struct cell_command_fragment_program *fp
  79             = cell_batch_alloc(cell, sizeof(*fp));
  80       fp->opcode = CELL_CMD_STATE_FRAGMENT_PROGRAM;
  81       fp->num_inst = cell->fs->code.num_inst;
  82       memcpy(&fp->code, cell->fs->code.store,
  83              SPU_MAX_FRAGMENT_PROGRAM_INSTS * SPE_INST_SIZE);
  84       if (0) {
  85          int i;
  86          printf("PPU Emit CELL_CMD_STATE_FRAGMENT_PROGRAM:\n");
  87          for (i = 0; i < fp->num_inst; i++) {
  88             printf(" %3d: 0x%08x\n", i, fp->code[i]);
  89          }
  90       }
  91    }
  92
  93    if (cell->dirty & (CELL_NEW_FRAMEBUFFER |
  94                       CELL_NEW_DEPTH_STENCIL |
  95                       CELL_NEW_BLEND)) {
  96       /* XXX we don't want to always do codegen here.  We should have
  97        * a hash/lookup table to cache previous results...
  98        */
  99       struct cell_command_fragment_ops *fops
 100             = cell_batch_alloc(cell, sizeof(*fops));
 101       struct spe_function spe_code;
 102
 103       /* Prepare the buffer that will hold the generated code. */
 104       spe_init_func(&spe_code, SPU_MAX_FRAGMENT_OPS_INSTS * SPE_INST_SIZE);
 105
 106       /* generate new code */
 107       cell_gen_fragment_function(cell, &spe_code);
 108
 109       /* put the new code into the batch buffer */
 110       fops->opcode = CELL_CMD_STATE_FRAGMENT_OPS;
 111       memcpy(&fops->code, spe_code.store,
 112              SPU_MAX_FRAGMENT_OPS_INSTS * SPE_INST_SIZE);
 113       fops->dsa = cell->depth_stencil->base;
 114       fops->blend = cell->blend->base;
 115
 116       /* free codegen buffer */
 117       spe_release_func(&spe_code);
 118    }
 119
 120    if (cell->dirty & CELL_NEW_SAMPLER) {
 121       uint i;
 122       for (i = 0; i < CELL_MAX_SAMPLERS; i++) {
 123          if (cell->sampler[i]) {
 124             struct cell_command_sampler *sampler
 125                = cell_batch_alloc(cell, sizeof(*sampler));
 126             sampler->opcode = CELL_CMD_STATE_SAMPLER;
 127             sampler->unit = i;
 128             sampler->state = *cell->sampler[i];
 129          }
 130       }
 131    }
 132
 133    if (cell->dirty & CELL_NEW_TEXTURE) {
 134       uint i;
 135       for (i = 0;i < CELL_MAX_SAMPLERS; i++) {
 136          struct cell_command_texture *texture
 137             =  cell_batch_alloc(cell, sizeof(*texture));
 138          texture->opcode = CELL_CMD_STATE_TEXTURE;
 139          texture->unit = i;
 140          if (cell->texture[i]) {
 141             texture->start = cell->texture[i]->tiled_data;
 142             texture->width = cell->texture[i]->base.width[0];
 143             texture->height = cell->texture[i]->base.height[0];
 144          }
 145          else {
 146             texture->start = NULL;
 147             texture->width = 1;
 148             texture->height = 1;
 149          }
 150       }
 151    }
 152
 153    if (cell->dirty & CELL_NEW_VERTEX_INFO) {
 154       emit_state_cmd(cell, CELL_CMD_STATE_VERTEX_INFO,
 155                      &cell->vertex_info, sizeof(struct vertex_info));
 156    }
 157
 158 #if 0
 159    if (cell->dirty & CELL_NEW_VS) {
 160       const struct draw_context *const draw = cell->draw;
 161       struct cell_shader_info info;
 162
 163       info.num_outputs = draw_num_vs_outputs(draw);
 164       info.declarations = (uintptr_t) draw->vs.machine.Declarations;
 165       info.num_declarations = draw->vs.machine.NumDeclarations;
 166       info.instructions = (uintptr_t) draw->vs.machine.Instructions;
 167       info.num_instructions = draw->vs.machine.NumInstructions;
 168       info.immediates = (uintptr_t) draw->vs.machine.Imms;
 169       info.num_immediates = draw->vs.machine.ImmLimit / 4;
 170
 171       emit_state_cmd(cell, CELL_CMD_STATE_BIND_VS, &info, sizeof(info));
 172    }
 173 #endif
 174 }