src/gallium/drivers/cell/ppu/cell_state_shader.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_defines.h"
  29 #include "pipe/p_util.h"
  30 #include "pipe/p_inlines.h"
  31 #include "pipe/p_winsys.h"
  32 #include "draw/draw_context.h"
  33 #if 0
  34 #include "pipe/p_shader_tokens.h"
  35 #include "gallivm/gallivm.h"
  36 #include "tgsi/util/tgsi_dump.h"
  37 #include "tgsi/exec/tgsi_sse2.h"
  38 #endif
  39
  40 #include "cell_context.h"
  41 #include "cell_state.h"
  42
  43
  44 static void *
  45 cell_create_fs_state(struct pipe_context *pipe,
  46                      const struct pipe_shader_state *templ)
  47 {
  48    /*struct cell_context *cell = cell_context(pipe);*/
  49    struct cell_fragment_shader_state *state;
  50
  51    state = CALLOC_STRUCT(cell_fragment_shader_state);
  52    if (!state)
  53       return NULL;
  54
  55    state->shader = *templ;
  56
  57 #if 0
  58    if (cell->dump_fs) {
  59       tgsi_dump(state->shader.tokens, 0);
  60    }
  61
  62 #if defined(__i386__) || defined(__386__)
  63    if (cell->use_sse) {
  64       x86_init_func( &state->sse2_program );
  65       tgsi_emit_sse2_fs( state->shader.tokens, &state->sse2_program );
  66    }
  67 #endif
  68
  69 #ifdef MESA_LLVM
  70    state->llvm_prog = 0;
  71    if (!gallivm_global_cpu_engine()) {
  72       gallivm_cpu_engine_create(state->llvm_prog);
  73    }
  74    else
  75       gallivm_cpu_jit_compile(gallivm_global_cpu_engine(), state->llvm_prog);
  76 #endif
  77 #endif
  78
  79    return state;
  80 }
  81
  82
  83 static void
  84 cell_bind_fs_state(struct pipe_context *pipe, void *fs)
  85 {
  86    struct cell_context *cell = cell_context(pipe);
  87
  88    cell->fs = (struct cell_fragment_shader_state *) fs;
  89
  90    cell->dirty |= CELL_NEW_FS;
  91 }
  92
  93
  94 static void
  95 cell_delete_fs_state(struct pipe_context *pipe, void *fs)
  96 {
  97    struct cell_fragment_shader_state *state =
  98       (struct cell_fragment_shader_state *) fs;
  99
 100    FREE( state );
 101 }
 102
 103
 104 static void *
 105 cell_create_vs_state(struct pipe_context *pipe,
 106                      const struct pipe_shader_state *templ)
 107 {
 108    struct cell_context *cell = cell_context(pipe);
 109    struct cell_vertex_shader_state *state;
 110
 111    state = CALLOC_STRUCT(cell_vertex_shader_state);
 112    if (!state)
 113       return NULL;
 114
 115    state->shader = *templ;
 116
 117    state->draw_data = draw_create_vertex_shader(cell->draw, &state->shader);
 118    if (state->draw_data == NULL) {
 119       FREE( state );
 120       return NULL;
 121    }
 122
 123    return state;
 124 }
 125
 126
 127 static void
 128 cell_bind_vs_state(struct pipe_context *pipe, void *vs)
 129 {
 130    struct cell_context *cell = cell_context(pipe);
 131
 132    cell->vs = (const struct cell_vertex_shader_state *) vs;
 133
 134    draw_bind_vertex_shader(cell->draw, cell->vs->draw_data);
 135
 136    cell->dirty |= CELL_NEW_VS;
 137 }
 138
 139
 140 static void
 141 cell_delete_vs_state(struct pipe_context *pipe, void *vs)
 142 {
 143    struct cell_context *cell = cell_context(pipe);
 144
 145    struct cell_vertex_shader_state *state =
 146       (struct cell_vertex_shader_state *) vs;
 147
 148    draw_delete_vertex_shader(cell->draw, state->draw_data);
 149    FREE( state );
 150 }
 151
 152
 153 static void
 154 cell_set_constant_buffer(struct pipe_context *pipe,
 155                          uint shader, uint index,
 156                          const struct pipe_constant_buffer *buf)
 157 {
 158    struct cell_context *cell = cell_context(pipe);
 159    struct pipe_winsys *ws = pipe->winsys;
 160
 161    assert(shader < PIPE_SHADER_TYPES);
 162    assert(index == 0);
 163
 164    /* note: reference counting */
 165    pipe_buffer_reference(ws,
 166                         &cell->constants[shader].buffer,
 167                         buf->buffer);
 168    cell->constants[shader].size = buf->size;
 169
 170    cell->dirty |= CELL_NEW_CONSTANTS;
 171 }
 172
 173
 174 void
 175 cell_init_shader_functions(struct cell_context *cell)
 176 {
 177    cell->pipe.create_fs_state = cell_create_fs_state;
 178    cell->pipe.bind_fs_state   = cell_bind_fs_state;
 179    cell->pipe.delete_fs_state = cell_delete_fs_state;
 180
 181    cell->pipe.create_vs_state = cell_create_vs_state;
 182    cell->pipe.bind_vs_state   = cell_bind_vs_state;
 183    cell->pipe.delete_vs_state = cell_delete_vs_state;
 184
 185    cell->pipe.set_constant_buffer = cell_set_constant_buffer;
 186 }