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 "pipe/p_util.h"
  29 #include "cell_context.h"
  30 #include "cell_state.h"
  31 #include "cell_state_emit.h"
  32 #include "cell_batch.h"
  33 #include "cell_texture.h"
  34 #include "draw/draw_context.h"
  35 #include "draw/draw_private.h"
  36
  37
  38 static void
  39 emit_state_cmd(struct cell_context *cell, uint cmd,
  40                const void *state, uint state_size)
  41 {
  42    uint64_t *dst = (uint64_t *)
  43        cell_batch_alloc(cell, ROUNDUP8(sizeof(uint64_t) + state_size));
  44    *dst = cmd;
  45    memcpy(dst + 1, state, state_size);
  46 }
  47
  48
  49
  50 void
  51 cell_emit_state(struct cell_context *cell)
  52 {
  53    if (cell->dirty & CELL_NEW_FRAMEBUFFER) {
  54       struct pipe_surface *cbuf = cell->framebuffer.cbufs[0];
  55       struct pipe_surface *zbuf = cell->framebuffer.zsbuf;
  56       struct cell_command_framebuffer *fb
  57          = cell_batch_alloc(cell, sizeof(*fb));
  58       fb->opcode = CELL_CMD_STATE_FRAMEBUFFER;
  59       fb->color_start = cell->cbuf_map[0];
  60       fb->color_format = cbuf->format;
  61       fb->depth_start = cell->zsbuf_map;
  62       fb->depth_format = zbuf ? zbuf->format : PIPE_FORMAT_NONE;
  63       fb->width = cell->framebuffer.cbufs[0]->width;
  64       fb->height = cell->framebuffer.cbufs[0]->height;
  65    }
  66
  67    if (cell->dirty & CELL_NEW_BLEND) {
  68       emit_state_cmd(cell, CELL_CMD_STATE_BLEND,
  69                      cell->blend,
  70                      sizeof(struct pipe_blend_state));
  71    }
  72
  73    if (cell->dirty & CELL_NEW_DEPTH_STENCIL) {
  74       emit_state_cmd(cell, CELL_CMD_STATE_DEPTH_STENCIL,
  75                      cell->depth_stencil,
  76                      sizeof(struct pipe_depth_stencil_alpha_state));
  77    }
  78
  79    if (cell->dirty & CELL_NEW_SAMPLER) {
  80       emit_state_cmd(cell, CELL_CMD_STATE_SAMPLER,
  81                      cell->sampler[0], sizeof(struct pipe_sampler_state));
  82    }
  83
  84    if (cell->dirty & CELL_NEW_TEXTURE) {
  85       struct cell_command_texture texture;
  86       if (cell->texture[0]) {
  87          texture.start = cell->texture[0]->tiled_data;
  88          texture.width = cell->texture[0]->base.width[0];
  89          texture.height = cell->texture[0]->base.height[0];
  90       }
  91       else {
  92          texture.start = NULL;
  93          texture.width = 0;
  94          texture.height = 0;
  95       }
  96
  97       emit_state_cmd(cell, CELL_CMD_STATE_TEXTURE,
  98                      &texture, sizeof(struct cell_command_texture));
  99    }
 100
 101    if (cell->dirty & CELL_NEW_VERTEX_INFO) {
 102       emit_state_cmd(cell, CELL_CMD_STATE_VERTEX_INFO,
 103                      &cell->vertex_info, sizeof(struct vertex_info));
 104    }
 105
 106    if (cell->dirty & CELL_NEW_VS) {
 107       const struct draw_context *const draw = cell->draw;
 108       struct cell_shader_info info;
 109
 110       info.num_outputs = draw->num_vs_outputs;
 111       info.declarations = (uintptr_t) draw->machine.Declarations;
 112       info.num_declarations = draw->machine.NumDeclarations;
 113       info.instructions = (uintptr_t) draw->machine.Instructions;
 114       info.num_instructions = draw->machine.NumInstructions;
 115       info.immediates = (uintptr_t) draw->machine.Imms;
 116       info.num_immediates = draw->machine.ImmLimit / 4;
 117
 118       emit_state_cmd(cell, CELL_CMD_STATE_BIND_VS,
 119                      & info, sizeof(info));
 120    }
 121 }