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 "util/u_memory.h"
  30 #include "pipe/p_inlines.h"
  31 #include "pipe/p_winsys.h"
  32 #include "draw/draw_context.h"
  33 #include "tgsi/tgsi_parse.h"
  34
  35 #include "cell_context.h"
  36 #include "cell_state.h"
  37
  38
  39
  40 /** cast wrapper */
  41 static INLINE struct cell_fragment_shader_state *
  42 cell_fragment_shader_state(void *shader)
  43 {
  44    return (struct cell_fragment_shader_state *) shader;
  45 }
  46
  47
  48 /** cast wrapper */
  49 static INLINE struct cell_vertex_shader_state *
  50 cell_vertex_shader_state(void *shader)
  51 {
  52    return (struct cell_vertex_shader_state *) shader;
  53 }
  54
  55
  56
  57 static void *
  58 cell_create_fs_state(struct pipe_context *pipe,
  59                      const struct pipe_shader_state *templ)
  60 {
  61    /*struct cell_context *cell = cell_context(pipe);*/
  62    struct cell_fragment_shader_state *cfs;
  63
  64    cfs = CALLOC_STRUCT(cell_fragment_shader_state);
  65    if (!cfs)
  66       return NULL;
  67
  68    cfs->shader.tokens = tgsi_dup_tokens(templ->tokens);
  69    if (!cfs->shader.tokens) {
  70       FREE(cfs);
  71       return NULL;
  72    }
  73
  74    tgsi_scan_shader(templ->tokens, &cfs->info);
  75
  76    return cfs;
  77 }
  78
  79
  80 static void
  81 cell_bind_fs_state(struct pipe_context *pipe, void *fs)
  82 {
  83    struct cell_context *cell = cell_context(pipe);
  84
  85    cell->fs = cell_fragment_shader_state(fs);
  86
  87    cell->dirty |= CELL_NEW_FS;
  88 }
  89
  90
  91 static void
  92 cell_delete_fs_state(struct pipe_context *pipe, void *fs)
  93 {
  94    struct cell_fragment_shader_state *cfs = cell_fragment_shader_state(fs);
  95
  96    FREE((void *) cfs->shader.tokens);
  97    FREE(cfs);
  98 }
  99
 100
 101 static void *
 102 cell_create_vs_state(struct pipe_context *pipe,
 103                      const struct pipe_shader_state *templ)
 104 {
 105    struct cell_context *cell = cell_context(pipe);
 106    struct cell_vertex_shader_state *cvs;
 107
 108    cvs = CALLOC_STRUCT(cell_vertex_shader_state);
 109    if (!cvs)
 110       return NULL;
 111
 112    cvs->shader.tokens = tgsi_dup_tokens(templ->tokens);
 113    if (!cvs->shader.tokens) {
 114       FREE(cvs);
 115       return NULL;
 116    }
 117
 118    tgsi_scan_shader(templ->tokens, &cvs->info);
 119
 120    cvs->draw_data = draw_create_vertex_shader(cell->draw, &cvs->shader);
 121    if (cvs->draw_data == NULL) {
 122       FREE( (void *) cvs->shader.tokens );
 123       FREE( cvs );
 124       return NULL;
 125    }
 126
 127    return cvs;
 128 }
 129
 130
 131 static void
 132 cell_bind_vs_state(struct pipe_context *pipe, void *vs)
 133 {
 134    struct cell_context *cell = cell_context(pipe);
 135
 136    cell->vs = cell_vertex_shader_state(vs);
 137
 138    draw_bind_vertex_shader(cell->draw,
 139                            (cell->vs ? cell->vs->draw_data : NULL));
 140
 141    cell->dirty |= CELL_NEW_VS;
 142 }
 143
 144
 145 static void
 146 cell_delete_vs_state(struct pipe_context *pipe, void *vs)
 147 {
 148    struct cell_context *cell = cell_context(pipe);
 149    struct cell_vertex_shader_state *cvs = cell_vertex_shader_state(vs);
 150
 151    draw_delete_vertex_shader(cell->draw, cvs->draw_data);
 152    FREE( (void *) cvs->shader.tokens );
 153    FREE( cvs );
 154 }
 155
 156
 157 static void
 158 cell_set_constant_buffer(struct pipe_context *pipe,
 159                          uint shader, uint index,
 160                          const struct pipe_constant_buffer *buf)
 161 {
 162    struct cell_context *cell = cell_context(pipe);
 163    struct pipe_winsys *ws = pipe->winsys;
 164
 165    assert(shader < PIPE_SHADER_TYPES);
 166    assert(index == 0);
 167
 168    /* note: reference counting */
 169    winsys_buffer_reference(ws,
 170                         &cell->constants[shader].buffer,
 171                         buf->buffer);
 172    cell->constants[shader].size = buf->size;
 173
 174    cell->dirty |= CELL_NEW_CONSTANTS;
 175 }
 176
 177
 178 void
 179 cell_init_shader_functions(struct cell_context *cell)
 180 {
 181    cell->pipe.create_fs_state = cell_create_fs_state;
 182    cell->pipe.bind_fs_state   = cell_bind_fs_state;
 183    cell->pipe.delete_fs_state = cell_delete_fs_state;
 184
 185    cell->pipe.create_vs_state = cell_create_vs_state;
 186    cell->pipe.bind_vs_state   = cell_bind_vs_state;
 187    cell->pipe.delete_vs_state = cell_delete_vs_state;
 188
 189    cell->pipe.set_constant_buffer = cell_set_constant_buffer;
 190 }