diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_context.h')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_context.h | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h index 4a0709b446..335339515a 100644 --- a/src/mesa/drivers/dri/i965/brw_context.h +++ b/src/mesa/drivers/dri/i965/brw_context.h @@ -188,6 +188,13 @@ struct brw_shader_program { struct gl_shader_program base; }; +enum param_conversion { + PARAM_NO_CONVERT, + PARAM_CONVERT_F2I, + PARAM_CONVERT_F2U, + PARAM_CONVERT_F2B, +}; + /* Data about a particular attempt to compile a program. Note that * there can be many of these, each in a different GL state * corresponding to a different brw_wm_prog_key struct, with different @@ -208,8 +215,10 @@ struct brw_wm_prog_data { /* Pointer to tracked values (only valid once * _mesa_load_state_parameters has been called at runtime). */ - const GLfloat *param[MAX_UNIFORMS * 4]; /* should be: BRW_MAX_CURBE */ - const GLfloat *pull_param[MAX_UNIFORMS * 4]; + const float *param[MAX_UNIFORMS * 4]; /* should be: BRW_MAX_CURBE */ + enum param_conversion param_convert[MAX_UNIFORMS * 4]; + const float *pull_param[MAX_UNIFORMS * 4]; + enum param_conversion pull_param_convert[MAX_UNIFORMS * 4]; }; struct brw_sf_prog_data { @@ -800,6 +809,35 @@ brw_fragment_program_const(const struct gl_fragment_program *p) return (const struct brw_fragment_program *) p; } +static inline +float convert_param(enum param_conversion conversion, float param) +{ + union { + float f; + uint32_t u; + int32_t i; + } fi; + + switch (conversion) { + case PARAM_NO_CONVERT: + return param; + case PARAM_CONVERT_F2I: + fi.i = param; + return fi.f; + case PARAM_CONVERT_F2U: + fi.u = param; + return fi.f; + case PARAM_CONVERT_F2B: + if (param != 0.0) + fi.i = 1; + else + fi.i = 0; + return fi.f; + default: + return param; + } +} + GLboolean brw_do_cubemap_normalize(struct exec_list *instructions); #endif |