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_debug_image.h"
   9 #include "util/u_memory.h"
  10 #include "state_tracker/graw.h"
  11
  12
  13 /* Helper functions.  These are the same for all graw implementations.
  14  */
  15 PUBLIC void *
  16 graw_parse_geometry_shader(struct pipe_context *pipe,
  17                            const char *text)
  18 {
  19    struct tgsi_token tokens[1024];
  20    struct pipe_shader_state state;
  21
  22    if (!tgsi_text_translate(text, tokens, ARRAY_SIZE(tokens)))
  23       return NULL;
  24
  25    memset(&state, 0, sizeof state);
  26    state.tokens = tokens;
  27    return pipe->create_gs_state(pipe, &state);
  28 }
  29
  30 PUBLIC void *
  31 graw_parse_vertex_shader(struct pipe_context *pipe,
  32                          const char *text)
  33 {
  34    struct tgsi_token tokens[1024];
  35    struct pipe_shader_state state;
  36
  37    if (!tgsi_text_translate(text, tokens, ARRAY_SIZE(tokens)))
  38       return NULL;
  39
  40    memset(&state, 0, sizeof state);
  41    state.tokens = tokens;
  42    return pipe->create_vs_state(pipe, &state);
  43 }
  44
  45 PUBLIC void *
  46 graw_parse_fragment_shader(struct pipe_context *pipe,
  47                            const char *text)
  48 {
  49    struct tgsi_token tokens[1024];
  50    struct pipe_shader_state state;
  51
  52    if (!tgsi_text_translate(text, tokens, ARRAY_SIZE(tokens)))
  53       return NULL;
  54
  55    memset(&state, 0, sizeof state);
  56    state.tokens = tokens;
  57    return pipe->create_fs_state(pipe, &state);
  58 }
  59
  60 static char out_filename[256] = "";
  61
  62 PUBLIC boolean
  63 graw_parse_args(int *argi,
  64                 int argc,
  65                 char *argv[])
  66 {
  67    if (strcmp(argv[*argi], "-o") == 0) {
  68       if (*argi + 1 >= argc) {
  69          return FALSE;
  70       }
  71
  72       strncpy(out_filename, argv[*argi + 1], sizeof(out_filename) - 1);
  73       out_filename[sizeof(out_filename) - 1] = '\0';
  74       *argi += 2;
  75       return TRUE;
  76    }
  77
  78    return FALSE;
  79 }
  80
  81 PUBLIC boolean
  82 graw_save_surface_to_file(struct pipe_context *pipe,
  83                           struct pipe_surface *surface,
  84                           const char *filename)
  85 {
  86    if (!filename || !*filename) {
  87       filename = out_filename;
  88       if (!filename || !*filename) {
  89          return FALSE;
  90       }
  91    }
  92
  93    /* XXX: Make that working in release builds.
  94     */
  95    debug_dump_surface_bmp(pipe, filename, surface);
  96    return TRUE;
  97 }