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_shader_tokens.h"
   5 #include "pipe/p_state.h"
   6 #include "tgsi/tgsi_text.h"
   7 #include "util/u_debug.h"
   8 #include "util/u_memory.h"
   9 #include "state_tracker/graw.h"
  10
  11
  12 /* Helper functions.  These are the same for all graw implementations.
  13  */
  14 PUBLIC void *
  15 graw_parse_geometry_shader(struct pipe_context *pipe,
  16                            const char *text)
  17 {
  18    struct tgsi_token tokens[1024];
  19    struct pipe_shader_state state;
  20
  21    if (!tgsi_text_translate(text, tokens, Elements(tokens)))
  22       return NULL;
  23
  24    state.tokens = tokens;
  25    return pipe->create_gs_state(pipe, &state);
  26 }
  27
  28 PUBLIC void *
  29 graw_parse_vertex_shader(struct pipe_context *pipe,
  30                          const char *text)
  31 {
  32    struct tgsi_token tokens[1024];
  33    struct pipe_shader_state state;
  34
  35    if (!tgsi_text_translate(text, tokens, Elements(tokens)))
  36       return NULL;
  37
  38    state.tokens = tokens;
  39    return pipe->create_vs_state(pipe, &state);
  40 }
  41
  42 PUBLIC void *
  43 graw_parse_fragment_shader(struct pipe_context *pipe,
  44                            const char *text)
  45 {
  46    struct tgsi_token tokens[1024];
  47    struct pipe_shader_state state;
  48
  49    if (!tgsi_text_translate(text, tokens, Elements(tokens)))
  50       return NULL;
  51
  52    state.tokens = tokens;
  53    return pipe->create_fs_state(pipe, &state);
  54 }
  55
  56 static char out_filename[256] = "";
  57
  58 PUBLIC boolean
  59 graw_parse_args(int *argi,
  60                 int argc,
  61                 char *argv[])
  62 {
  63    if (strcmp(argv[*argi], "-o") == 0) {
  64       if (*argi + 1 >= argc) {
  65          return FALSE;
  66       }
  67
  68       strncpy(out_filename, argv[*argi + 1], sizeof(out_filename) - 1);
  69       out_filename[sizeof(out_filename) - 1] = '\0';
  70       *argi += 2;
  71       return TRUE;
  72    }
  73
  74    return FALSE;
  75 }
  76
  77 PUBLIC boolean
  78 graw_save_surface_to_file(struct pipe_context *pipe,
  79                           struct pipe_surface *surface,
  80                           const char *filename)
  81 {
  82    if (!filename || !*filename) {
  83       filename = out_filename;
  84       if (!filename || !*filename) {
  85          return FALSE;
  86       }
  87    }
  88
  89    /* XXX: Make that working in release builds.
  90     */
  91    debug_dump_surface_bmp(pipe, filename, surface);
  92    return TRUE;
  93 }