diff options
| author | Bryan Cain <bryancain3@gmail.com> | 2011-05-17 17:13:20 -0500 |
|---|---|---|
| committer | Bryan Cain <bryancain3@gmail.com> | 2011-08-01 17:59:07 -0500 |
| commit | 6d89abadbcd68bbe9e08f041412549f8dc1fc73c (patch) | |
| tree | 9876b1797693765c2cde010487011f7db6725020 /src/mesa/program/prog_parameter.h | |
| parent | 17b695e6e7dd730497fb60a8e161935b23fa0e9c (diff) | |
mesa: support boolean and integer-based parameters in prog_parameter
The functionality is not used by anything yet, and the glUniform functions will
need to be reworked before this can reach its full usefulness. It is
nonetheless a step towards integer support in the state tracker and classic drivers.
Diffstat (limited to 'src/mesa/program/prog_parameter.h')
| -rw-r--r-- | src/mesa/program/prog_parameter.h | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/src/mesa/program/prog_parameter.h b/src/mesa/program/prog_parameter.h index 10cbbe57a6c..dcc171ed745 100644 --- a/src/mesa/program/prog_parameter.h +++ b/src/mesa/program/prog_parameter.h @@ -46,7 +46,15 @@ #define PROG_PARAM_BIT_CYL_WRAP 0x10 /**< XXX gallium debug */ /*@}*/ - +/** + * Actual data for constant values of parameters. + */ +typedef union gl_constant_value { + GLfloat f; + GLboolean b; + GLint i; + GLuint u; +} gl_constant_value; /** * Program parameter. @@ -81,7 +89,7 @@ struct gl_program_parameter_list GLuint Size; /**< allocated size of Parameters, ParameterValues */ GLuint NumParameters; /**< number of parameters in arrays */ struct gl_program_parameter *Parameters; /**< Array [Size] */ - GLfloat (*ParameterValues)[4]; /**< Array [Size] of GLfloat[4] */ + gl_constant_value (*ParameterValues)[4]; /**< Array [Size] of constant[4] */ GLbitfield StateFlags; /**< _NEW_* flags indicating which state changes might invalidate ParameterValues[] */ }; @@ -112,22 +120,23 @@ _mesa_num_parameters(const struct gl_program_parameter_list *list) extern GLint _mesa_add_parameter(struct gl_program_parameter_list *paramList, gl_register_file type, const char *name, - GLuint size, GLenum datatype, const GLfloat *values, + GLuint size, GLenum datatype, + const gl_constant_value *values, const gl_state_index state[STATE_LENGTH], GLbitfield flags); extern GLint _mesa_add_named_parameter(struct gl_program_parameter_list *paramList, - const char *name, const GLfloat values[4]); + const char *name, const gl_constant_value values[4]); extern GLint _mesa_add_named_constant(struct gl_program_parameter_list *paramList, - const char *name, const GLfloat values[4], + const char *name, const gl_constant_value values[4], GLuint size); extern GLint _mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList, - const GLfloat values[4], GLuint size, + const gl_constant_value values[4], GLuint size, GLuint *swizzleOut); extern GLint @@ -143,7 +152,7 @@ extern GLint _mesa_add_state_reference(struct gl_program_parameter_list *paramList, const gl_state_index stateTokens[STATE_LENGTH]); -extern GLfloat * +extern gl_constant_value * _mesa_lookup_parameter_value(const struct gl_program_parameter_list *paramList, GLsizei nameLen, const char *name); @@ -153,7 +162,7 @@ _mesa_lookup_parameter_index(const struct gl_program_parameter_list *paramList, extern GLboolean _mesa_lookup_parameter_constant(const struct gl_program_parameter_list *list, - const GLfloat v[], GLuint vSize, + const gl_constant_value v[], GLuint vSize, GLint *posOut, GLuint *swizzleOut); extern GLuint |