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_util.h"
  33 #include "pipe/p_inlines.h"
  34 #include "pipe/p_winsys.h"
  35 #include "pipe/draw/draw_context.h"
  36 #include "pipe/p_shader_tokens.h"
  37 #include "pipe/llvm/gallivm.h"
  38 #include "pipe/tgsi/util/tgsi_dump.h"
  39 #include "pipe/tgsi/exec/tgsi_sse2.h"
  40
  41
  42 void *
  43 softpipe_create_fs_state(struct pipe_context *pipe,
  44                          const struct pipe_shader_state *templ)
  45 {
  46    struct softpipe_context *softpipe = softpipe_context(pipe);
  47    struct sp_fragment_shader_state *state;
  48
  49    /* Decide whether we'll be codegenerating this shader and if so do
  50     * that now.
  51     */
  52
  53    state = CALLOC_STRUCT(sp_fragment_shader_state);
  54    if (!state)
  55       return NULL;
  56
  57    state->shader = *templ;
  58
  59    if (softpipe->dump_fs) {
  60       tgsi_dump(state->shader.tokens, 0);
  61    }
  62
  63 #ifdef MESA_LLVM
  64    state->llvm_prog = 0;
  65
  66 #if 0
  67    if (!gallivm_global_cpu_engine()) {
  68       gallivm_cpu_engine_create(state->llvm_prog);
  69    }
  70    else
  71       gallivm_cpu_jit_compile(gallivm_global_cpu_engine(), state->llvm_prog);
  72 #endif
  73
  74 #elif defined(__i386__) || defined(__386__)
  75    if (softpipe->use_sse) {
  76       x86_init_func( &state->sse2_program );
  77       tgsi_emit_sse2_fs( state->shader.tokens, &state->sse2_program );
  78    }
  79 #endif
  80
  81    return state;
  82 }
  83
  84
  85 void
  86 softpipe_bind_fs_state(struct pipe_context *pipe, void *fs)
  87 {
  88    struct softpipe_context *softpipe = softpipe_context(pipe);
  89
  90    softpipe->fs = (struct sp_fragment_shader_state *) fs;
  91
  92    softpipe->dirty |= SP_NEW_FS;
  93 }
  94
  95
  96 void
  97 softpipe_delete_fs_state(struct pipe_context *pipe, void *fs)
  98 {
  99    struct sp_fragment_shader_state *state = fs;
 100
 101 #if defined(__i386__) || defined(__386__)
 102    x86_release_func( &state->sse2_program );
 103 #endif
 104
 105    FREE( state );
 106 }
 107
 108
 109 void *
 110 softpipe_create_vs_state(struct pipe_context *pipe,
 111                          const struct pipe_shader_state *templ)
 112 {
 113    struct softpipe_context *softpipe = softpipe_context(pipe);
 114    struct sp_vertex_shader_state *state;
 115
 116    state = CALLOC_STRUCT(sp_vertex_shader_state);
 117    if (state == NULL ) {
 118       return NULL;
 119    }
 120
 121    state->shader = *templ;
 122
 123    state->draw_data = draw_create_vertex_shader(softpipe->draw,
 124                                                 &state->shader);
 125    if (state->draw_data == NULL) {
 126       FREE( state );
 127       return NULL;
 128    }
 129
 130    return state;
 131 }
 132
 133
 134 void
 135 softpipe_bind_vs_state(struct pipe_context *pipe, void *vs)
 136 {
 137    struct softpipe_context *softpipe = softpipe_context(pipe);
 138
 139    softpipe->vs = (const struct sp_vertex_shader_state *)vs;
 140
 141    draw_bind_vertex_shader(softpipe->draw, softpipe->vs->draw_data);
 142
 143    softpipe->dirty |= SP_NEW_VS;
 144 }
 145
 146
 147 void
 148 softpipe_delete_vs_state(struct pipe_context *pipe, void *vs)
 149 {
 150    struct softpipe_context *softpipe = softpipe_context(pipe);
 151
 152    struct sp_vertex_shader_state *state =
 153       (struct sp_vertex_shader_state *)vs;
 154
 155    draw_delete_vertex_shader(softpipe->draw, state->draw_data);
 156    FREE( state );
 157 }
 158
 159
 160
 161 void
 162 softpipe_set_constant_buffer(struct pipe_context *pipe,
 163                              uint shader, uint index,
 164                              const struct pipe_constant_buffer *buf)
 165 {
 166    struct softpipe_context *softpipe = softpipe_context(pipe);
 167    struct pipe_winsys *ws = pipe->winsys;
 168
 169    assert(shader < PIPE_SHADER_TYPES);
 170    assert(index == 0);
 171
 172    /* note: reference counting */
 173    pipe_buffer_reference(ws,
 174                          &softpipe->constants[shader].buffer,
 175                          buf->buffer);
 176    softpipe->constants[shader].size = buf->size;
 177
 178    softpipe->dirty |= SP_NEW_CONSTANTS;
 179 }