cell_state_emit.h File Reference

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Functions
void	cell_emit_state (struct cell_context *cell)
	For state marked as 'dirty', construct a state-update command block and insert it into the current batch buffer.

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Function Documentation

void cell_emit_state

(

struct cell_context *

cell

)

For state marked as 'dirty', construct a state-update command block and insert it into the current batch buffer.

Definition at line 56 of file cell_state_emit.c.

References cell_texture::base, cell_blend_state::base, cell_depth_stencil_alpha_state::base, cell_context::blend, cell_command_fragment_ops::blend, cell_context::cbuf_map, pipe_framebuffer_state::cbufs, cell_batch_alloc(), CELL_CMD_STATE_BIND_VS, CELL_CMD_STATE_FRAGMENT_OPS, CELL_CMD_STATE_FRAGMENT_PROGRAM, CELL_CMD_STATE_FRAMEBUFFER, CELL_CMD_STATE_SAMPLER, CELL_CMD_STATE_TEXTURE, CELL_CMD_STATE_VERTEX_INFO, cell_gen_fragment_function(), CELL_MAX_SAMPLERS, CELL_NEW_BLEND, CELL_NEW_DEPTH_STENCIL, CELL_NEW_FRAMEBUFFER, CELL_NEW_FS, CELL_NEW_SAMPLER, CELL_NEW_TEXTURE, CELL_NEW_VERTEX_INFO, CELL_NEW_VS, cell_command_fragment_ops::code, cell_command_fragment_program::code, cell_fragment_shader_state::code, cell_command_framebuffer::color_start, tgsi_exec_machine::Declarations, cell_shader_info::declarations, cell_command_framebuffer::depth_format, cell_command_framebuffer::depth_start, cell_context::depth_stencil, cell_context::dirty, cell_context::draw, draw, draw_num_vs_outputs(), cell_command_fragment_ops::dsa, emit_state_cmd(), pipe_surface::format, cell_context::framebuffer, cell_context::fs, pipe_texture::height, cell_command_texture::height, pipe_framebuffer_state::height, cell_command_framebuffer::height, cell_shader_info::immediates, tgsi_exec_machine::ImmLimit, tgsi_exec_machine::Imms, tgsi_exec_machine::Instructions, cell_shader_info::instructions, draw_context::machine, cell_shader_info::num_declarations, cell_shader_info::num_immediates, spe_function::num_inst, cell_command_fragment_program::num_inst, cell_shader_info::num_instructions, cell_shader_info::num_outputs, tgsi_exec_machine::NumDeclarations, tgsi_exec_machine::NumInstructions, cell_command_texture::opcode, cell_command_sampler::opcode, cell_command_fragment_ops::opcode, cell_command_fragment_program::opcode, cell_command_framebuffer::opcode, pf_name(), PIPE_FORMAT_NONE, cell_context::sampler, SPE_INST_SIZE, spe_release_func(), SPU_MAX_FRAGMENT_OPS_INSTS, SPU_MAX_FRAGMENT_PROGRAM_INSTS, cell_command_texture::start, cell_command_sampler::state, spe_function::store, cell_context::texture, cell_texture::tiled_data, cell_command_texture::unit, cell_command_sampler::unit, cell_context::vertex_info, draw_context::vs, pipe_texture::width, cell_command_texture::width, pipe_framebuffer_state::width, cell_command_framebuffer::width, pipe_framebuffer_state::zsbuf, and cell_context::zsbuf_map.

{
   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;

      /* 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->base;
      fops->blend = cell->blend->base;
      /* 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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