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 | CELL_NEW_BLEND)) {
  59       struct cell_command_logicop logicop;
  60
  61       if (cell->logic_op.store != NULL) {
  62          spe_release_func(& cell->logic_op);
  63       }
  64
  65       cell_generate_logic_op(& cell->logic_op,
  66                              & cell->blend->base,
  67                              cell->framebuffer.cbufs[0]);
  68
  69       logicop.base = (intptr_t) cell->logic_op.store;
  70       logicop.size = 64 * 4;
  71       emit_state_cmd(cell, CELL_CMD_STATE_LOGICOP, &logicop,
  72                      sizeof(logicop));
  73    }
  74
  75    if (cell->dirty & CELL_NEW_FRAMEBUFFER) {
  76       struct pipe_surface *cbuf = cell->framebuffer.cbufs[0];
  77       struct pipe_surface *zbuf = cell->framebuffer.zsbuf;
  78       struct cell_command_framebuffer *fb
  79          = cell_batch_alloc(cell, sizeof(*fb));
  80       fb->opcode = CELL_CMD_STATE_FRAMEBUFFER;
  81       fb->color_start = cell->cbuf_map[0];
  82       fb->color_format = cbuf->format;
  83       fb->depth_start = cell->zsbuf_map;
  84       fb->depth_format = zbuf ? zbuf->format : PIPE_FORMAT_NONE;
  85       fb->width = cell->framebuffer.width;
  86       fb->height = cell->framebuffer.height;
  87 #if 0
  88       printf("EMIT color format %s\n", pf_name(fb->color_format));
  89       printf("EMIT depth format %s\n", pf_name(fb->depth_format));
  90 #endif
  91    }
  92
  93
  94    if (cell->dirty & (CELL_NEW_FRAMEBUFFER | CELL_NEW_DEPTH_STENCIL)) {
  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       /* generate new code */
 103       gen_fragment_function(cell, &spe_code);
 104       /* put the new code into the batch buffer */
 105       fops->opcode = CELL_CMD_STATE_FRAGMENT_OPS;
 106       memcpy(&fops->code, spe_code.store,
 107              SPU_MAX_FRAGMENT_OPS_INSTS * SPE_INST_SIZE);
 108       /* free codegen buffer */
 109       spe_release_func(&spe_code);
 110    }
 111
 112    if (cell->dirty & CELL_NEW_BLEND) {
 113       struct cell_command_blend blend;
 114
 115       if (cell->blend != NULL) {
 116          blend.base = (intptr_t) cell->blend->code.store;
 117          blend.size = cell->blend->code.num_inst * SPE_INST_SIZE;
 118          blend.read_fb = TRUE;
 119       }
 120       else {
 121          blend.base = 0;
 122          blend.size = 0;
 123          blend.read_fb = FALSE;
 124       }
 125
 126       emit_state_cmd(cell, CELL_CMD_STATE_BLEND, &blend, sizeof(blend));
 127    }
 128
 129    if (cell->dirty & CELL_NEW_DEPTH_STENCIL) {
 130       struct cell_command_depth_stencil_alpha_test dsat;
 131
 132       if (cell->depth_stencil != NULL) {
 133          dsat.base = (intptr_t) cell->depth_stencil->code.store;
 134          dsat.size = cell->depth_stencil->code.num_inst * SPE_INST_SIZE;
 135          dsat.read_depth = TRUE;
 136          dsat.read_stencil = FALSE;
 137          dsat.state = cell->depth_stencil->base;
 138       }
 139       else {
 140          dsat.base = 0;
 141          dsat.size = 0;
 142          dsat.read_depth = FALSE;
 143          dsat.read_stencil = FALSE;
 144       }
 145
 146       emit_state_cmd(cell, CELL_CMD_STATE_DEPTH_STENCIL, &dsat, sizeof(dsat));
 147    }
 148
 149    if (cell->dirty & CELL_NEW_SAMPLER) {
 150       uint i;
 151       for (i = 0; i < CELL_MAX_SAMPLERS; i++) {
 152          if (cell->sampler[i]) {
 153             struct cell_command_sampler *sampler
 154                = cell_batch_alloc(cell, sizeof(*sampler));
 155             sampler->opcode = CELL_CMD_STATE_SAMPLER;
 156             sampler->unit = i;
 157             sampler->state = *cell->sampler[i];
 158          }
 159       }
 160    }
 161
 162    if (cell->dirty & CELL_NEW_TEXTURE) {
 163       uint i;
 164       for (i = 0;i < CELL_MAX_SAMPLERS; i++) {
 165          struct cell_command_texture *texture
 166             =  cell_batch_alloc(cell, sizeof(*texture));
 167          texture->opcode = CELL_CMD_STATE_TEXTURE;
 168          texture->unit = i;
 169          if (cell->texture[i]) {
 170             texture->start = cell->texture[i]->tiled_data;
 171             texture->width = cell->texture[i]->base.width[0];
 172             texture->height = cell->texture[i]->base.height[0];
 173          }
 174          else {
 175             texture->start = NULL;
 176             texture->width = 1;
 177             texture->height = 1;
 178          }
 179       }
 180    }
 181
 182    if (cell->dirty & CELL_NEW_VERTEX_INFO) {
 183       emit_state_cmd(cell, CELL_CMD_STATE_VERTEX_INFO,
 184                      &cell->vertex_info, sizeof(struct vertex_info));
 185    }
 186
 187    if (cell->dirty & CELL_NEW_VS) {
 188       const struct draw_context *const draw = cell->draw;
 189       struct cell_shader_info info;
 190
 191       info.num_outputs = draw_num_vs_outputs(draw);
 192       info.declarations = (uintptr_t) draw->vs.machine.Declarations;
 193       info.num_declarations = draw->vs.machine.NumDeclarations;
 194       info.instructions = (uintptr_t) draw->vs.machine.Instructions;
 195       info.num_instructions = draw->vs.machine.NumInstructions;
 196       info.immediates = (uintptr_t) draw->vs.machine.Imms;
 197       info.num_immediates = draw->vs.machine.ImmLimit / 4;
 198
 199       emit_state_cmd(cell, CELL_CMD_STATE_BIND_VS, &info, sizeof(info));
 200    }
 201 }