diff options
Diffstat (limited to '')
| -rw-r--r-- | src/servers/coopgamma.c (renamed from src/coopgamma-server/server.c) | 233 |
1 files changed, 230 insertions, 3 deletions
diff --git a/src/coopgamma-server/server.c b/src/servers/coopgamma.c index e0a5188..7f8b815 100644 --- a/src/coopgamma-server/server.c +++ b/src/servers/coopgamma.c @@ -15,22 +15,249 @@ * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#include "server.h" -#include "chaining.h" +#include "coopgamma.h" +#include "gamma.h" #include "../state.h" #include "../communication.h" #include "../util.h" -#include "../gamma-server/server.h" +#include "../types/output.h" #include <libclut.h> #include <errno.h> +#include <stdio.h> #include <stdlib.h> #include <string.h> /** + * Apply a filter on top of another filter + * + * @param dest The output for the resulting ramp-trio, must be initialised + * @param application The red, green and blue ramps, as one single raw array, + * of the filter that should be applied + * @param depth -1: `float` stops + * -2: `double` stops + * Other: the number of bits of each (integral) stop + * @param base The CLUT on top of which the new filter should be applied, + * this can be the same pointer as `dest` + */ +static void apply_filter(union gamma_ramps* restrict dest, void* restrict application, + int depth, union gamma_ramps* restrict base) +{ + union gamma_ramps app; + size_t bytedepth; + size_t red_width, green_width, blue_width; + + if (depth == -1) + bytedepth = sizeof(float); + else if (depth == -2) + bytedepth = sizeof(double); + else + bytedepth = (size_t)depth / 8; + + red_width = (app.u8.red_size = base->u8.red_size) * bytedepth; + green_width = (app.u8.green_size = base->u8.green_size) * bytedepth; + blue_width = (app.u8.blue_size = base->u8.blue_size) * bytedepth; + + app.u8.red = application; + app.u8.green = app.u8.red + red_width; + app.u8.blue = app.u8.green + green_width; + + if (dest != base) + { + memcpy(dest->u8.red, base->u8.red, red_width); + memcpy(dest->u8.green, base->u8.green, green_width); + memcpy(dest->u8.blue, base->u8.blue, blue_width); + } + + switch (depth) + { + case 8: + libclut_apply(&(dest->u8), UINT8_MAX, uint8_t, &(app.u8), UINT8_MAX, uint8_t, 1, 1, 1); + break; + case 16: + libclut_apply(&(dest->u16), UINT16_MAX, uint16_t, &(app.u16), UINT16_MAX, uint16_t, 1, 1, 1); + break; + case 32: + libclut_apply(&(dest->u32), UINT32_MAX, uint32_t, &(app.u32), UINT32_MAX, uint32_t, 1, 1, 1); + break; + case 64: + libclut_apply(&(dest->u64), UINT64_MAX, uint64_t, &(app.u64), UINT64_MAX, uint64_t, 1, 1, 1); + break; + case -1: + libclut_apply(&(dest->f), 1.0f, float, &(app.d), 1.0f, float, 1, 1, 1); + break; + case -2: + libclut_apply(&(dest->d), (double)1, double, &(app.f), (double)1, double, 1, 1, 1); + break; + default: + abort(); + } +} + + + +/** + * Remove a filter from an output + * + * @param out The output + * @param filter The filter + * @return The index of the filter, `out->table_size` if not found + */ +static ssize_t remove_filter(struct output* restrict out, struct filter* restrict filter) +{ + size_t i, n = out->table_size; + + for (i = 0; i < n; i++) + if (!strcmp(filter->class, out->table_filters[i].class)) + break; + + if (i == out->table_size) + { + fprintf(stderr, "%s: ignoring attempt to removing non-existing filter on CRTC %s: %s", + argv0, out->name, filter->class); + return (ssize_t)(out->table_size); + } + + filter_destroy(out->table_filters + i); + libgamma_gamma_ramps8_destroy(&(out->table_sums[i].u8)); + + n = n - i - 1; + memmove(out->table_filters + i, out->table_filters + i + 1, n * sizeof(*(out->table_filters))); + memmove(out->table_sums + i, out->table_sums + i + 1, n * sizeof(*(out->table_sums))); + out->table_size--; + + return (ssize_t)i; +} + + +/** + * Add a filter to an output + * + * @param out The output + * @param filter The filter + * @return The index given to the filter, -1 on error + */ +static ssize_t add_filter(struct output* restrict out, struct filter* restrict filter) +{ + size_t i, n = out->table_size; + int r = -1; + + /* Remove? */ + if (filter->lifespan == LIFESPAN_REMOVE) + return remove_filter(out, filter); + + /* Update? */ + for (i = 0; i < n; i++) + if (!strcmp(filter->class, out->table_filters[i].class)) + break; + if (i != n) + { + filter_destroy(out->table_filters + i); + out->table_filters[i] = *filter; + return (ssize_t)i; + } + + /* Add! */ + for (i = 0; i < n; i++) + if (filter->priority > out->table_filters[i].priority) + break; + + if (n == out->table_alloc) + { + void* new; + + new = realloc(out->table_filters, (n + 10) * sizeof(*(out->table_filters))); + if (new == NULL) + return -1; + out->table_filters = new; + + new = realloc(out->table_sums, (n + 10) * sizeof(*(out->table_sums))); + if (new == NULL) + return -1; + out->table_sums = new; + + out->table_alloc += 10; + } + + memmove(out->table_filters + i + 1, out->table_filters + i, (n - i) * sizeof(*(out->table_filters))); + memmove(out->table_sums + i + 1, out->table_sums + i, (n - i) * sizeof(*(out->table_sums))); + out->table_size++; + + COPY_RAMP_SIZES(&(out->table_sums[i].u8), out); + switch (out->depth) + { + case 8: r = libgamma_gamma_ramps8_initialise(&(out->table_sums[i].u8)); break; + case 16: r = libgamma_gamma_ramps16_initialise(&(out->table_sums[i].u16)); break; + case 32: r = libgamma_gamma_ramps32_initialise(&(out->table_sums[i].u32)); break; + case 64: r = libgamma_gamma_ramps64_initialise(&(out->table_sums[i].u64)); break; + case -1: r = libgamma_gamma_rampsf_initialise(&(out->table_sums[i].f)); break; + case -2: r = libgamma_gamma_rampsd_initialise(&(out->table_sums[i].d)); break; + default: + abort(); + } + if (r < 0) + return -1; + + out->table_filters[i] = *filter; + + return (ssize_t)i; +} + + +/** + * 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 + */ +static int make_plain_ramps(union gamma_ramps* restrict ramps, struct output* restrict output) +{ + COPY_RAMP_SIZES(&(ramps->u8), output); + switch (output->depth) + { + case 8: + if (libgamma_gamma_ramps8_initialise(&(ramps->u8))) + return -1; + libclut_start_over(&(ramps->u8), UINT8_MAX, uint8_t, 1, 1, 1); + break; + case 16: + if (libgamma_gamma_ramps16_initialise(&(ramps->u16))) + return -1; + libclut_start_over(&(ramps->u16), UINT16_MAX, uint16_t, 1, 1, 1); + break; + case 32: + if (libgamma_gamma_ramps32_initialise(&(ramps->u32))) + return -1; + libclut_start_over(&(ramps->u32), UINT32_MAX, uint32_t, 1, 1, 1); + break; + case 64: + if (libgamma_gamma_ramps64_initialise(&(ramps->u64))) + return -1; + libclut_start_over(&(ramps->u64), UINT64_MAX, uint64_t, 1, 1, 1); + break; + case -1: + if (libgamma_gamma_rampsf_initialise(&(ramps->f))) + return -1; + libclut_start_over(&(ramps->f), 1.0f, float, 1, 1, 1); + break; + case -2: + if (libgamma_gamma_rampsd_initialise(&(ramps->d))) + return -1; + libclut_start_over(&(ramps->d), (double)1, double, 1, 1, 1); + break; + default: + abort(); + } + return 0; +} + + + +/** * Handle a closed connection * * @param client The file descriptor for the client |