diff options
Diffstat (limited to 'src/calibrator.c')
| -rw-r--r-- | src/calibrator.c | 136 |
1 files changed, 53 insertions, 83 deletions
diff --git a/src/calibrator.c b/src/calibrator.c index 38987d3..4f50537 100644 --- a/src/calibrator.c +++ b/src/calibrator.c @@ -18,6 +18,7 @@ #include "calibrator.h" #include "gamma.h" +#include "state.h" #include <stdio.h> @@ -26,22 +27,19 @@ /** * Draw bars in different shades of grey, red, green and blue * used for calibrating the contrast and brightness - * - * @return Zero on success, -1 on error */ -int draw_contrast_brightness(void) +void draw_contrast_brightness(void) { const int CONTRAST_BRIGHTNESS_LEVELS[21] = { 0, 17, 27, 38, 48, 59, 70, 82, 94, 106, 119, 131, 144, 158, 171, 185, 198, 212, 226, 241, 255 }; - size_t f, y, x, fn = fb_count(); - for (f = 0; f < fn; f++) + size_t f; + uint32_t y, x; + for (f = 0; f < framebuffer_count; f++) { - framebuffer_t fb; - if (fb_open(f, &fb) < 0) - return -1; + framebuffer_t* restrict fb = framebuffers + f; for (y = 0; y < 4; y++) for (x = 0; x < 21; x++) { @@ -49,15 +47,13 @@ int draw_contrast_brightness(void) uint32_t colour = fb_colour(v * ((y == 1) | (y == 0)), v * ((y == 2) | (y == 0)), v * ((y == 3) | (y == 0))); - fb_fill_rectangle(&fb, colour, - x * fb.width / 21, - y * fb.height / 4, - (x + 1) * fb.width / 21 - x * fb.width / 21, - (y + 1) * fb.height / 4 - y * fb.height / 4); + fb_fill_rectangle(fb, colour, + x * fb->width / 21, + y * fb->height / 4, + (x + 1) * fb->width / 21 - x * fb->width / 21, + (y + 1) * fb->height / 4 - y * fb->height / 4); } - fb_close(&fb); } - return 0; } @@ -101,12 +97,11 @@ void draw_digit(framebuffer_t* restrict fb, int colour, uint32_t x, uint32_t y) * for one of the seven segment display on only that CRT controller's * monitors * - * @param crtc The CRT controller information - * @param colour The intensity of the least intense colour in the seven segment display - * @param value The valud of the digit to display - * @return Zero on success, -1 on error + * @param crtc The CRT controller information + * @param colour The intensity of the least intense colour in the seven segment display + * @param value The valud of the digit to display */ -int gamma_digit(drm_crtc_t* restrict crtc, int colour, size_t value) +void gamma_digit(drm_crtc_t* restrict crtc, int colour, size_t value) { #define __ 0 const int DIGITS[11] = { 1 | 2 | 4 | __ | 16 | 32 | 64, /* (0) */ @@ -124,9 +119,9 @@ int gamma_digit(drm_crtc_t* restrict crtc, int colour, size_t value) for (i = 0; i < 7; i++) { - uint16_t value = (digit & (1 << i)) ? 0xFFFF : 0; + uint16_t c = (digit & (1 << i)) ? 0xFFFF : 0; int j = i + colour; - crtc->red[j] = crtc->green[j] = crtc->blue[j] = value; + crtc->red[j] = crtc->green[j] = crtc->blue[j] = c; } #undef __ } @@ -135,53 +130,28 @@ int gamma_digit(drm_crtc_t* restrict crtc, int colour, size_t value) /** * Draw an unique index on each monitor * - * @return Zero on success, -1 on error + * @return Zero on success, -1 on error */ int draw_id(void) { - size_t f, c, i, id = 0, fn = fb_count(), cn = drm_card_count(); - for (f = 0; f < fn; f++) + size_t f, c, id = 0; + for (f = 0; f < framebuffer_count; f++) { - framebuffer_t fb; - if (fb_open(f, &fb) < 0) - return -1; - fb_fill_rectangle(&fb, fb_colour(0, 0, 0), 0, 0, fb.width, fb.height); - draw_digit(&fb, 1, 40, 40); - draw_digit(&fb, 8, 180, 40); - fb_close(&fb); + framebuffer_t* restrict fb = framebuffers + f; + fb_fill_rectangle(fb, fb_colour(0, 0, 0), 0, 0, fb->width, fb->height); + draw_digit(fb, 1, 40, 40); + draw_digit(fb, 8, 180, 40); } - for (c = 0; c < cn; c++) + for (c = 0; c < crtc_count; c++) { - drm_card_t card; - if (drm_card_open(c, &card) < 0) + drm_crtc_t* restrict crtc = crtcs + c; + if (drm_get_gamma(crtc) < 0) + return -1; + gamma_digit(crtc, 1, id < 10 ? 10 : (id / 10) % 10); + gamma_digit(crtc, 8, (id / 1) % 10); + id++; + if (drm_set_gamma(crtc) < 0) return -1; - for (i = 0; i < card.crtc_count; i++) - { - drm_crtc_t crtc; - if (drm_crtc_open(i, &card, &crtc) < 0) - { - drm_card_close(&card); - return -1; - } - if (crtc.connected == 0) - goto not_connected; - if (drm_get_gamma(&crtc) < 0) - goto crtc_fail; - gamma_digit(&crtc, 1, id < 10 ? 10 : (id / 10) % 10); - gamma_digit(&crtc, 8, (id / 1) % 10); - id++; - if (drm_set_gamma(&crtc) < 0) - goto crtc_fail; - not_connected: - drm_crtc_close(&crtc); - - continue; - crtc_fail: - drm_crtc_close(&crtc); - drm_card_close(&card); - return -1; - } - drm_card_close(&card); } return 0; } @@ -189,17 +159,14 @@ int draw_id(void) /** * Draw squares used as reference when tweeking the gamma correction - * - * @return Zero on success, -1 on error */ -int draw_gamma(void) +void draw_gamma(void) { - size_t f, x, y, fn = fb_count(); - for (f = 0; f < fn; f++) + size_t f; + uint32_t x, y; + for (f = 0; f < framebuffer_count; f++) { - framebuffer_t fb; - if (fb_open(f, &fb) < 0) - return -1; + framebuffer_t* restrict fb = framebuffers + f; for (x = 0; x < 4; x++) { int r = (x == 1) || (x == 0); @@ -209,34 +176,37 @@ int draw_gamma(void) uint32_t average = fb_colour(188 * r, 188 * g, 188 * b); uint32_t high = fb_colour(255 * r, 255 * g, 255 * b); uint32_t low = fb_colour(0, 0, 0); - uint32_t xoff = x * fb.width / 4; - fb_fill_rectangle(&fb, background, xoff, 0, fb.width / 4, fb.height); - xoff += (fb.width / 4 - 200) / 2; - fb_fill_rectangle(&fb, high, xoff, 40, 200, 200); - fb_fill_rectangle(&fb, average, xoff + 50, 40, 100, 200); - fb_fill_rectangle(&fb, average, xoff, 280, 200, 200); + uint32_t xoff = x * fb->width / 4; + fb_fill_rectangle(fb, background, xoff, 0, fb->width / 4, fb->height); + xoff += (fb->width / 4 - 200) / 2; + fb_fill_rectangle(fb, high, xoff, 40, 200, 200); + fb_fill_rectangle(fb, average, xoff + 50, 40, 100, 200); + fb_fill_rectangle(fb, average, xoff, 280, 200, 200); for (y = 0; y < 200; y += 2) { - fb_draw_horizontal_line(&fb, high, xoff + 50, 280 + y + 0, 100); - fb_draw_horizontal_line(&fb, low , xoff + 50, 280 + y + 1, 100); + fb_draw_horizontal_line(fb, high, xoff + 50, 280 + y + 0, 100); + fb_draw_horizontal_line(fb, low , xoff + 50, 280 + y + 1, 100); } - fb_fill_rectangle(&fb, average, xoff, 520, 200, 200); - fb_fill_rectangle(&fb, high, xoff + 50, 520, 100, 200); + fb_fill_rectangle(fb, average, xoff, 520, 200, 200); + fb_fill_rectangle(fb, high, xoff + 50, 520, 100, 200); } - fb_close(&fb); } - return 0; } int main(int argc __attribute__((unused)), char* argv[]) { - if (draw_gamma() < 0) + if (acquire_video() < 0) + goto fail; + + if (draw_id() < 0) goto fail; + release_video(); return 0; fail: perror(*argv); + release_video(); return 1; } |