src/mesa/pipe/softpipe/sp_state_fs.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 "sp_context.h"
  29 #include "sp_state.h"
  30
  31 #include "pipe/p_defines.h"
  32 #include "pipe/p_winsys.h"
  33 #include "pipe/draw/draw_context.h"
  34 #include "pipe/tgsi/exec/tgsi_core.h"
  35
  36
  37 void * softpipe_create_fs_state(struct pipe_context *pipe,
  38                                 const struct pipe_shader_state *templ)
  39 {
  40    struct softpipe_context *softpipe = softpipe_context(pipe);
  41
  42    /* Decide whether we'll be codegenerating this shader and if so do
  43     * that now.
  44     */
  45
  46    struct pipe_shader_state *state = malloc(sizeof(struct pipe_shader_state));
  47    memcpy(state, templ, sizeof(struct pipe_shader_state));
  48
  49 #if defined(__i386__) || defined(__386__)
  50    if (softpipe->use_sse) {
  51       x86_init_func( &state->sse2_program );
  52
  53       tgsi_emit_sse2_fs( state->tokens, &state->sse2_program );
  54
  55       state->executable = (void *)x86_get_func( &state->sse2_program );
  56    }
  57 #endif
  58
  59    return state;
  60 }
  61
  62 void softpipe_bind_fs_state(struct pipe_context *pipe, void *fs)
  63 {
  64    struct softpipe_context *softpipe = softpipe_context(pipe);
  65
  66    softpipe->fs = (struct pipe_shader_state *)fs;
  67
  68    softpipe->dirty |= SP_NEW_FS;
  69 }
  70
  71 void softpipe_delete_fs_state(struct pipe_context *pipe,
  72                               void *shader)
  73 {
  74 #if defined(__i386__) || defined(__386__)
  75    struct pipe_shader_state *state = shader;
  76
  77    x86_release_func( &state->sse2_program );
  78 #endif
  79
  80    free(shader);
  81 }
  82
  83
  84 void * softpipe_create_vs_state(struct pipe_context *pipe,
  85                                 const struct pipe_shader_state *templ)
  86 {
  87    struct softpipe_context *softpipe = softpipe_context(pipe);
  88    struct sp_vertex_shader_state *state =
  89       malloc(sizeof(struct sp_vertex_shader_state));
  90    struct pipe_shader_state *templ_copy =
  91       malloc(sizeof(struct pipe_shader_state));
  92    memcpy(templ_copy, templ, sizeof(struct pipe_shader_state));
  93
  94    state->state = templ_copy;
  95    state->draw_data = draw_create_vertex_shader(softpipe->draw,
  96                                                 state->state);
  97
  98    return state;
  99 }
 100
 101 void softpipe_bind_vs_state(struct pipe_context *pipe, void *vs)
 102 {
 103    struct softpipe_context *softpipe = softpipe_context(pipe);
 104
 105    softpipe->vs = (const struct sp_vertex_shader_state *)vs;
 106
 107    draw_bind_vertex_shader(softpipe->draw, softpipe->vs->draw_data);
 108
 109    softpipe->dirty |= SP_NEW_VS;
 110 }
 111
 112 void softpipe_delete_vs_state(struct pipe_context *pipe,
 113                               void *vs)
 114 {
 115    struct softpipe_context *softpipe = softpipe_context(pipe);
 116
 117    struct sp_vertex_shader_state *state =
 118       (struct sp_vertex_shader_state *)vs;
 119
 120    draw_delete_vertex_shader(softpipe->draw, state->draw_data);
 121    free(state->state);
 122    free(state);
 123 }
 124
 125
 126
 127 void softpipe_set_constant_buffer(struct pipe_context *pipe,
 128                                   uint shader, uint index,
 129                                   const struct pipe_constant_buffer *buf)
 130 {
 131    struct softpipe_context *softpipe = softpipe_context(pipe);
 132    struct pipe_winsys *ws = pipe->winsys;
 133
 134    assert(shader < PIPE_SHADER_TYPES);
 135    assert(index == 0);
 136
 137    /* note: reference counting */
 138    ws->buffer_reference(ws,
 139                         &softpipe->constants[shader].buffer,
 140                         buf->buffer);
 141    softpipe->constants[shader].size = buf->size;
 142
 143    softpipe->dirty |= SP_NEW_CONSTANTS;
 144 }
 145
 146