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      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 }
     94