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    memset(&state, 0, sizeof state);
  25    state.tokens = tokens;
  26    return pipe->create_gs_state(pipe, &state);
  27 }
  28
  29 PUBLIC void *
  30 graw_parse_vertex_shader(struct pipe_context *pipe,
  31                          const char *text)
  32 {
  33    struct tgsi_token tokens[1024];
  34    struct pipe_shader_state state;
  35
  36    if (!tgsi_text_translate(text, tokens, Elements(tokens)))
  37       return NULL;
  38
  39    memset(&state, 0, sizeof state);
  40    state.tokens = tokens;
  41    return pipe->create_vs_state(pipe, &state);
  42 }
  43
  44 PUBLIC void *
  45 graw_parse_fragment_shader(struct pipe_context *pipe,
  46                            const char *text)
  47 {
  48    struct tgsi_token tokens[1024];
  49    struct pipe_shader_state state;
  50
  51    if (!tgsi_text_translate(text, tokens, Elements(tokens)))
  52       return NULL;
  53
  54    memset(&state, 0, sizeof state);
  55    state.tokens = tokens;
  56    return pipe->create_fs_state(pipe, &state);
  57 }
  58
  59 static char out_filename[256] = "";
  60
  61 PUBLIC boolean
  62 graw_parse_args(int *argi,
  63                 int argc,
  64                 char *argv[])
  65 {
  66    if (strcmp(argv[*argi], "-o") == 0) {
  67       if (*argi + 1 >= argc) {
  68          return FALSE;
  69       }
  70
  71       strncpy(out_filename, argv[*argi + 1], sizeof(out_filename) - 1);
  72       out_filename[sizeof(out_filename) - 1] = '\0';
  73       *argi += 2;
  74       return TRUE;
  75    }
  76
  77    return FALSE;
  78 }
  79
  80 PUBLIC boolean
  81 graw_save_surface_to_file(struct pipe_context *pipe,
  82                           struct pipe_surface *surface,
  83                           const char *filename)
  84 {
  85    if (!filename || !*filename) {
  86       filename = out_filename;
  87       if (!filename || !*filename) {
  88          return FALSE;
  89       }
  90    }
  91
  92    /* XXX: Make that working in release builds.
  93     */
  94    debug_dump_surface_bmp(pipe, filename, surface);
  95    return TRUE;
  96 }