src/gallium/targets/graw-null/graw_util.c

   1
   2 #include "pipe/p_compiler.h"
   3 #include "pipe/p_context.h"
   4 #include "pipe/p_state.h"
   5 #include "tgsi/tgsi_text.h"
   6 #include "util/u_memory.h"
   7 #include "state_tracker/graw.h"
   8
   9
  10 /* Helper functions.  These are the same for all graw implementations.
  11  */
  12 PUBLIC void *
  13 graw_parse_geometry_shader(struct pipe_context *pipe,
  14                            const char *text)
  15 {
  16    struct tgsi_token tokens[1024];
  17    struct pipe_shader_state state;
  18
  19    if (!tgsi_text_translate(text, tokens, Elements(tokens)))
  20       return NULL;
  21
  22    state.tokens = tokens;
  23    return pipe->create_gs_state(pipe, &state);
  24 }
  25
  26 PUBLIC void *
  27 graw_parse_vertex_shader(struct pipe_context *pipe,
  28                          const char *text)
  29 {
  30    struct tgsi_token tokens[1024];
  31    struct pipe_shader_state state;
  32
  33    if (!tgsi_text_translate(text, tokens, Elements(tokens)))
  34       return NULL;
  35
  36    state.tokens = tokens;
  37    return pipe->create_vs_state(pipe, &state);
  38 }
  39
  40 PUBLIC void *
  41 graw_parse_fragment_shader(struct pipe_context *pipe,
  42                            const char *text)
  43 {
  44    struct tgsi_token tokens[1024];
  45    struct pipe_shader_state state;
  46
  47    if (!tgsi_text_translate(text, tokens, Elements(tokens)))
  48       return NULL;
  49
  50    state.tokens = tokens;
  51    return pipe->create_fs_state(pipe, &state);
  52 }
  53