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_batch.h"
  34 #include "cell_texture.h"
  35 #include "draw/draw_context.h"
  36 #include "draw/draw_private.h"
  37
  38
  39 static void
  40 emit_state_cmd(struct cell_context *cell, uint cmd,
  41                const void *state, uint state_size)
  42 {
  43    uint64_t *dst = (uint64_t *)
  44        cell_batch_alloc(cell, ROUNDUP8(sizeof(uint64_t) + state_size));
  45    *dst = cmd;
  46    memcpy(dst + 1, state, state_size);
  47 }
  48
  49
  50 /**
  51  * For state marked as 'dirty', construct a state-update command block
  52  * and insert it into the current batch buffer.
  53  */
  54 void
  55 cell_emit_state(struct cell_context *cell)
  56 {
  57    if (cell->dirty & CELL_NEW_FRAMEBUFFER) {
  58       struct pipe_surface *cbuf = cell->framebuffer.cbufs[0];
  59       struct pipe_surface *zbuf = cell->framebuffer.zsbuf;
  60       struct cell_command_framebuffer *fb
  61          = cell_batch_alloc(cell, sizeof(*fb));
  62       fb->opcode = CELL_CMD_STATE_FRAMEBUFFER;
  63       fb->color_start = cell->cbuf_map[0];
  64       fb->color_format = cbuf->format;
  65       fb->depth_start = cell->zsbuf_map;
  66       fb->depth_format = zbuf ? zbuf->format : PIPE_FORMAT_NONE;
  67       fb->width = cell->framebuffer.width;
  68       fb->height = cell->framebuffer.height;
  69 #if 0
  70       printf("EMIT color format %s\n", pf_name(fb->color_format));
  71       printf("EMIT depth format %s\n", pf_name(fb->depth_format));
  72 #endif
  73    }
  74
  75    if (cell->dirty & (CELL_NEW_FS)) {
  76       /* Send new fragment program to SPUs */
  77       struct cell_command_fragment_program *fp
  78             = cell_batch_alloc(cell, sizeof(*fp));
  79       fp->opcode = CELL_CMD_STATE_FRAGMENT_PROGRAM;
  80       fp->num_inst = cell->fs->code.num_inst;
  81       memcpy(&fp->code, cell->fs->code.store,
  82              SPU_MAX_FRAGMENT_PROGRAM_INSTS * SPE_INST_SIZE);
  83       if (0) {
  84          int i;
  85          printf("PPU Emit CELL_CMD_STATE_FRAGMENT_PROGRAM:\n");
  86          for (i = 0; i < fp->num_inst; i++) {
  87             printf(" %3d: 0x%08x\n", i, fp->code[i]);
  88          }
  89       }
  90    }
  91
  92    if (cell->dirty & (CELL_NEW_FRAMEBUFFER |
  93                       CELL_NEW_DEPTH_STENCIL |
  94                       CELL_NEW_BLEND)) {
  95       /* XXX we don't want to always do codegen here.  We should have
  96        * a hash/lookup table to cache previous results...
  97        */
  98       struct cell_command_fragment_ops *fops
  99             = cell_batch_alloc(cell, sizeof(*fops));
 100       struct spe_function spe_code;
 101
 102       /* Prepare the buffer that will hold the generated code. */
 103       spe_init_func(&spe_code, SPU_MAX_FRAGMENT_OPS_INSTS * SPE_INST_SIZE);
 104
 105       /* generate new code */
 106       cell_gen_fragment_function(cell, &spe_code);
 107
 108       /* put the new code into the batch buffer */
 109       fops->opcode = CELL_CMD_STATE_FRAGMENT_OPS;
 110       memcpy(&fops->code, spe_code.store,
 111              SPU_MAX_FRAGMENT_OPS_INSTS * SPE_INST_SIZE);
 112       fops->dsa = *cell->depth_stencil;
 113       fops->blend = *cell->blend;
 114
 115       /* free codegen buffer */
 116       spe_release_func(&spe_code);
 117    }
 118
 119    if (cell->dirty & CELL_NEW_SAMPLER) {
 120       uint i;
 121       for (i = 0; i < CELL_MAX_SAMPLERS; i++) {
 122          if (cell->sampler[i]) {
 123             struct cell_command_sampler *sampler
 124                = cell_batch_alloc(cell, sizeof(*sampler));
 125             sampler->opcode = CELL_CMD_STATE_SAMPLER;
 126             sampler->unit = i;
 127             sampler->state = *cell->sampler[i];
 128          }
 129       }
 130    }
 131
 132    if (cell->dirty & CELL_NEW_TEXTURE) {
 133       uint i;
 134       for (i = 0;i < CELL_MAX_SAMPLERS; i++) {
 135          struct cell_command_texture *texture
 136             =  cell_batch_alloc(cell, sizeof(*texture));
 137          texture->opcode = CELL_CMD_STATE_TEXTURE;
 138          texture->unit = i;
 139          if (cell->texture[i]) {
 140             texture->start = cell->texture[i]->tiled_data;
 141             texture->width = cell->texture[i]->base.width[0];
 142             texture->height = cell->texture[i]->base.height[0];
 143          }
 144          else {
 145             texture->start = NULL;
 146             texture->width = 1;
 147             texture->height = 1;
 148          }
 149       }
 150    }
 151
 152    if (cell->dirty & CELL_NEW_VERTEX_INFO) {
 153       emit_state_cmd(cell, CELL_CMD_STATE_VERTEX_INFO,
 154                      &cell->vertex_info, sizeof(struct vertex_info));
 155    }
 156
 157 #if 0
 158    if (cell->dirty & CELL_NEW_VS) {
 159       const struct draw_context *const draw = cell->draw;
 160       struct cell_shader_info info;
 161
 162       info.num_outputs = draw_num_vs_outputs(draw);
 163       info.declarations = (uintptr_t) draw->vs.machine.Declarations;
 164       info.num_declarations = draw->vs.machine.NumDeclarations;
 165       info.instructions = (uintptr_t) draw->vs.machine.Instructions;
 166       info.num_instructions = draw->vs.machine.NumInstructions;
 167       info.immediates = (uintptr_t) draw->vs.machine.Imms;
 168       info.num_immediates = draw->vs.machine.ImmLimit / 4;
 169
 170       emit_state_cmd(cell, CELL_CMD_STATE_BIND_VS, &info, sizeof(info));
 171    }
 172 #endif
 173 }