diff options
Diffstat (limited to 'src/output.c')
| -rw-r--r-- | src/output.c | 91 |
1 files changed, 89 insertions, 2 deletions
diff --git a/src/output.c b/src/output.c index b2085db..25a332a 100644 --- a/src/output.c +++ b/src/output.c @@ -24,6 +24,13 @@ /** + * The name of the process + */ +extern char* argv0; + + + +/** * Free all resources allocated to an output. * The allocation of `output` itself is not freed, * nor is its the libgamma destroyed. @@ -310,7 +317,7 @@ ssize_t add_filter(struct output* out, struct filter* filter) /** * Recalculate the resulting gamma and - * update push the new gamam ramps to the CRTC + * update push the new gamma ramps to the CRTC * * @param output The output * @param first_updated The index of the first added or removed filter @@ -318,7 +325,87 @@ ssize_t add_filter(struct output* out, struct filter* filter) */ int flush_filters(struct output* output, size_t first_updated) { - /* TODO */ (void) output, (void) first_updated; + union gamma_ramps plain; + union gamma_ramps* last; + size_t i; + int r = 0; + + if (first_updated == 0) + { + if (make_plain_ramps(&plain, output) < 0) + return -1; + last = &plain; + } + else + last = output->table_sums + (first_updated - 1); + + for (i = first_updated; i < output->table_size; i++) + { + apply(output->table_sums + i, output->table_filters[i].ramps, output->depth, last); + last = output->table_sums + i; + } + + switch (output->depth) + { + case 8: r = libgamma_crtc_set_gamma_ramps8(output->crtc, last->u8); break; + case 16: r = libgamma_crtc_set_gamma_ramps16(output->crtc, last->u16); break; + case 32: r = libgamma_crtc_set_gamma_ramps32(output->crtc, last->u32); break; + case 64: r = libgamma_crtc_set_gamma_ramps64(output->crtc, last->u64); break; + case -1: r = libgamma_crtc_set_gamma_rampsf(output->crtc, last->f); break; + case -2: r = libgamma_crtc_set_gamma_rampsd(output->crtc, last->d); break; + default: + abort(); + } + if (r) + libgamma_perror(argv0, r); /* Not fatal */ + + if (first_updated == 0) + libgamma_gamma_ramps8_destroy(&(plain.u8)); + + return 0; +} + + +/** + * Make identity mapping ramps + * + * @param ramps Output parameter for the ramps + * @param output The output for which the ramps shall be configured + * @return Zero on success, -1 on error + */ +int make_plain_ramps(union gamma_ramps* ramps, struct output* output) +{ + COPY_RAMP_SIZES(&(ramps->u8), output); + switch (output->depth) + { + case 8: + if (libgamma_gamma_ramps8_initialise(&(ramps->u8))) + return -1; + break; + case 16: + if (libgamma_gamma_ramps16_initialise(&(ramps->u16))) + return -1; + break; + case 32: + if (libgamma_gamma_ramps32_initialise(&(ramps->u32))) + return -1; + break; + case 64: + if (libgamma_gamma_ramps64_initialise(&(ramps->u64))) + return -1; + break; + case -1: + if (libgamma_gamma_rampsf_initialise(&(ramps->f))) + return -1; + break; + case -2: + if (libgamma_gamma_rampsd_initialise(&(ramps->d))) + return -1; + break; + default: + abort(); + } + /* TODO fill ramps (use libclut) */ return 0; } |