diff options
Diffstat (limited to 'src/mesa/state_tracker/st_program.h')
-rw-r--r-- | src/mesa/state_tracker/st_program.h | 75 |
1 files changed, 56 insertions, 19 deletions
diff --git a/src/mesa/state_tracker/st_program.h b/src/mesa/state_tracker/st_program.h index e2e5eddef22..88aadbd7510 100644 --- a/src/mesa/state_tracker/st_program.h +++ b/src/mesa/state_tracker/st_program.h @@ -64,41 +64,70 @@ struct st_fragment_program struct pipe_shader_state state; void *driver_shader; - GLuint param_state; - - /** List of vertex programs which have been translated such that their - * outputs match this fragment program's inputs. - */ - struct translated_vertex_program *vertex_programs; - /** Program prefixed with glBitmap prologue */ struct st_fragment_program *bitmap_program; uint bitmap_sampler; }; + +struct st_vp_varient_key +{ + char dummy; /* currently unused */ +}; + + +/** + * This represents a vertex program, especially translated to match + * the inputs of a particular fragment shader. + */ +struct st_vp_varient +{ + /* Parameters which generated this translated version of a vertex + * shader: + */ + struct st_vp_varient_key key; + + /** TGSI tokens -- why? + */ + struct pipe_shader_state state; + + /** Driver's compiled shader */ + void *driver_shader; + + /** For using our private draw module (glRasterPos) */ + struct draw_vertex_shader *draw_shader; + + /** Next in linked list */ + struct st_vp_varient *next; +}; + + + + /** * Derived from Mesa gl_fragment_program: */ struct st_vertex_program { struct gl_vertex_program Base; /**< The Mesa vertex program */ - GLuint serialNo; + GLuint serialNo, lastSerialNo; /** maps a Mesa VERT_ATTRIB_x to a packed TGSI input index */ GLuint input_to_index[VERT_ATTRIB_MAX]; /** maps a TGSI input index back to a Mesa VERT_ATTRIB_x */ GLuint index_to_input[PIPE_MAX_SHADER_INPUTS]; - GLuint num_inputs; - struct pipe_shader_state state; - void *driver_shader; + /** Maps VERT_RESULT_x to slot */ + GLuint result_to_output[VERT_RESULT_MAX]; + ubyte output_semantic_name[VERT_RESULT_MAX]; + ubyte output_semantic_index[VERT_RESULT_MAX]; + GLuint num_outputs; - /** For using our private draw module (glRasterPos) */ - struct draw_vertex_shader *draw_shader; - - GLuint param_state; + /** List of translated varients of this vertex program. + */ + struct st_vp_varient *varients; }; @@ -143,13 +172,21 @@ st_translate_fragment_program(struct st_context *st, const GLuint inputMapping[]); +/* Called after program string change, discard all previous + * compilation results. + */ extern void +st_prepare_vertex_program(struct st_context *st, + struct st_vertex_program *stvp); + +extern struct st_vp_varient * st_translate_vertex_program(struct st_context *st, - struct st_vertex_program *vp, - const GLuint vert_output_to_slot[], - const ubyte *fs_input_semantic_name, - const ubyte *fs_input_semantic_index); + struct st_vertex_program *stvp, + const struct st_vp_varient_key *key); +void +st_vp_release_varients( struct st_context *st, + struct st_vertex_program *stvp ); extern void st_print_shaders(GLcontext *ctx); |