diff options
Diffstat (limited to 'src/gamma-w32-gdi.c')
| -rw-r--r-- | src/gamma-w32-gdi.c | 158 |
1 files changed, 135 insertions, 23 deletions
diff --git a/src/gamma-w32-gdi.c b/src/gamma-w32-gdi.c index ac8592f..0819ac0 100644 --- a/src/gamma-w32-gdi.c +++ b/src/gamma-w32-gdi.c @@ -1,4 +1,4 @@ -/** +x/** * libgamma — Display server abstraction layer for gamma ramp adjustments * Copyright © 2014 Mattias Andrée (maandree@member.fsf.org) * @@ -22,6 +22,19 @@ #include "gamma-w32-gdi.h" #include "libgamma-error.h" +#include "gamma-helper.h" + +#ifndef WINVER +# define WINVER 0x0500 +#endif +#ifdef FAKE_GAMMA_METHOD_W32_GDI +# include "fake-w32-gdi.h" +#else +# include <windows.h> +# include <wingdi.h> +#endif + +#define GAMMA_RAMP_SIZE 256 /** @@ -31,6 +44,31 @@ */ void libgamma_w32_gdi_method_capabilities(libgamma_method_capabilities_t* restrict this) { + this->crtc_information = CRTC_INFO_GAMMA_SIZE + | CRTC_INFO_GAMMA_DEPTH + | CRTC_INFO_GAMMA_SUPPORT; + this->default_site_known = NULL; + this->multiple_sites = 0; + this->multiple_partitions = 0; + this->multiple_crtcs = 1; + this->partitions_are_graphics_cards = 0; + this->site_restore = 0; + this->partition_restore = 0; + this->crtc_restore = 0; + this->identical_gamma_sizes = 1; + this->fixed_gamma_size = 1; + this->fixed_gamma_depth = 1; +#ifdef FAKE_GAMMA_METHOD_W32_GDI + this->fake = 1; +# ifdef HAVE_GAMMA_METHOD_X_RANDR + this->real = 1; +# else + this->real = 0; +# endif +#else + this->fake = 0; + this->real = 1; +#endif } @@ -50,6 +88,11 @@ void libgamma_w32_gdi_method_capabilities(libgamma_method_capabilities_t* restri int libgamma_w32_gdi_site_initialise(libgamma_site_state_t* restrict this, char* restrict site) { + if (site != NULL) + return LIBGAMMA_NO_SUCH_SITE; + + this->partitions_available = 1; + return 0; } @@ -60,6 +103,7 @@ int libgamma_w32_gdi_site_initialise(libgamma_site_state_t* restrict this, */ void libgamma_w32_gdi_site_destroy(libgamma_site_state_t* restrict this) { + (void) this; } @@ -72,6 +116,8 @@ void libgamma_w32_gdi_site_destroy(libgamma_site_state_t* restrict this) */ int libgamma_w32_gdi_site_restore(libgamma_site_state_t* restrict this) { + (void) this; + return errno = ENOTSUP, LIBGAMMA_ERRNO_SET; } @@ -88,6 +134,24 @@ int libgamma_w32_gdi_site_restore(libgamma_site_state_t* restrict this) int libgamma_w32_gdi_partition_initialise(libgamma_partition_state_t* restrict this, libgamma_site_state_t* restrict site, size_t partition) { + DISPLAY_DEVICE display; + + (void) site; + + if (partition != 0) + return LIBGAMMA_NO_SUCH_PARTITION; + + this->crtcs_available = 0; + display.cb = sizeof(DISPLAY_DEVICE); + for (;;) + { + if (!EnumDisplayDevices(NULL, this->crtcs_available, &display, 0)) + break; + this->crtcs_available++; + if (this->crtcs_available == 0) + return LIBGAMMA_IMPOSSIBLE_AMOUNT; + } + return 0; } @@ -98,17 +162,7 @@ int libgamma_w32_gdi_partition_initialise(libgamma_partition_state_t* restrict t */ void libgamma_w32_gdi_partition_destroy(libgamma_partition_state_t* restrict this) { -} - - -/** - * Release all resources held by a partition state - * and free the partition state pointer - * - * @param this The partition state - */ -void libgamma_w32_gdi_partition_free(libgamma_partition_state_t* restrict this) -{ + (void) this; } @@ -121,6 +175,8 @@ void libgamma_w32_gdi_partition_free(libgamma_partition_state_t* restrict this) */ int libgamma_w32_gdi_partition_restore(libgamma_partition_state_t* restrict this) { + (void) this; + return errno = ENOTSUP, LIBGAMMA_ERRNO_SET; } @@ -137,6 +193,22 @@ int libgamma_w32_gdi_partition_restore(libgamma_partition_state_t* restrict this int libgamma_w32_gdi_crtc_initialise(libgamma_crtc_state_t* restrict this, libgamma_partition_state_t* restrict partition, size_t crtc) { + DISPLAY_DEVICE display; + HDC context; + + (void) partition; + + this->data = NULL; + display.cb = sizeof(DISPLAY_DEVICE); + if (!EnumDisplayDevices(NULL, crtc, &display, 0)) + return LIBGAMMA_NO_SUCH_CRTC; + if (!(display.StateFlags & DISPLAY_DEVICE_ACTIVE)) + return LIBGAMMA_CONNECTOR_DISABLED; + context = CreateDC(TEXT("DISPLAY"), display.DeviceName, NULL, NULL); + if (context == NULL) + return LIBGAMMA_OPEN_CRTC_FAILED; + this->data = context; + return 0; } @@ -147,17 +219,8 @@ int libgamma_w32_gdi_crtc_initialise(libgamma_crtc_state_t* restrict this, */ void libgamma_w32_gdi_crtc_destroy(libgamma_crtc_state_t* restrict this) { -} - - -/** - * Release all resources held by a CRTC state - * and free the CRTC state pointer - * - * @param this The CRTC state - */ -void libgamma_w32_gdi_crtc_free(libgamma_crtc_state_t* restrict this) -{ + if (this->data) + ReleaseDC(NULL, this->data); } @@ -170,6 +233,8 @@ void libgamma_w32_gdi_crtc_free(libgamma_crtc_state_t* restrict this) */ int libgamma_w32_gdi_crtc_restore(libgamma_crtc_state_t* restrict this) { + (void) this; + return errno = ENOTSUP, LIBGAMMA_ERRNO_SET; } @@ -185,6 +250,31 @@ int libgamma_w32_gdi_crtc_restore(libgamma_crtc_state_t* restrict this) int libgamma_w32_gdi_get_crtc_information(libgamma_crtc_information_t* restrict this, libgamma_crtc_state_t* restrict crtc, int32_t fields) { +#define _E(FIELD) ((fields & FIELD) ? LIBGAMMA_CRTC_INFO_NOT_SUPPORTED : 0) + + this->edid_error = _E(CRTC_INFO_EDID); + this->width_mm_error = _E(CRTC_INFO_WIDTH_MM); + this->height_mm_error = _E(CRTC_INFO_HEIGHT_MM); + this->width_mm_edid_error = _E(CRTC_INFO_WIDTH_MM_EDID); + this->height_mm_edid_error = _E(CRTC_INFO_HEIGHT_MM_EDID); + this->red_gamma_size = GAMMA_SIZE; + this->green_gamma_size = GAMMA_SIZE; + this->blue_gamma_size = GAMMA_SIZE; + this->gamma_size_error = 0; + this->gamma_depth = 16; + this->gamma_depth_error = 0; + if ((fields & CRTC_INFO_GAMMA_SUPPORT)) + this->gamma_support = GetDeviceCaps(hDC, COLORMGMTCAPS) == CM_GAMMA_RAMP; + this->gamma_support_error = 0; + this->subpixel_order_error = _E(CRTC_INFO_SUBPIXEL_ORDER); + this->active_error = _E(CRTC_INFO_ACTIVE); + this->connector_name_error = _E(CRTC_INFO_CONNECTOR_NAME); + this->connector_type_error = _E(CRTC_INFO_CONNECTOR_TYPE); + this->gamma_error = _E(CRTC_INFO_GAMMA); + +#undef _E + + return 0; } @@ -199,6 +289,9 @@ int libgamma_w32_gdi_get_crtc_information(libgamma_crtc_information_t* restrict int libgamma_w32_gdi_crtc_get_gamma_ramps(libgamma_crtc_state_t* restrict this, libgamma_gamma_ramps_t* restrict ramps) { + if (!GetDeviceGammaRamp(this->data, ramps->red)) + return LIBGAMMA_GAMMA_RAMP_READ_FAILED; + return 0; } @@ -213,6 +306,9 @@ int libgamma_w32_gdi_crtc_get_gamma_ramps(libgamma_crtc_state_t* restrict this, int libgamma_w32_gdi_crtc_set_gamma_ramps(libgamma_crtc_state_t* restrict this, libgamma_gamma_ramps_t ramps) { + if (!SetDeviceGammaRamp(this->data, ramps.red)) + return LIBGAMMA_GAMMA_RAMP_WRITE_FAILED; + return 0; } @@ -228,6 +324,8 @@ int libgamma_w32_gdi_crtc_set_gamma_ramps(libgamma_crtc_state_t* restrict this, int libgamma_w32_gdi_crtc_get_gamma_ramps32(libgamma_crtc_state_t* restrict this, libgamma_gamma_ramps32_t* restrict ramps) { + return libgamma_translated_ramp_get(this, ramps, 32, 16, + libgamma_w32_gdi_crtc_get_gamma_ramps); } @@ -242,6 +340,8 @@ int libgamma_w32_gdi_crtc_get_gamma_ramps32(libgamma_crtc_state_t* restrict this int libgamma_w32_gdi_crtc_set_gamma_ramps32(libgamma_crtc_state_t* restrict this, libgamma_gamma_ramps32_t ramps) { + return libgamma_translated_ramp_set(this, ramps, 32, 16, + libgamma_w32_gdi_crtc_set_gamma_ramps); } @@ -257,6 +357,8 @@ int libgamma_w32_gdi_crtc_set_gamma_ramps32(libgamma_crtc_state_t* restrict this int libgamma_w32_gdi_crtc_get_gamma_ramps64(libgamma_crtc_state_t* restrict this, libgamma_gamma_ramps64_t* restrict ramps) { + return libgamma_translated_ramp_get(this, ramps, 64, 16, + libgamma_w32_gdi_crtc_get_gamma_ramps); } @@ -271,6 +373,8 @@ int libgamma_w32_gdi_crtc_get_gamma_ramps64(libgamma_crtc_state_t* restrict this int libgamma_w32_gdi_crtc_set_gamma_ramps64(libgamma_crtc_state_t* restrict this, libgamma_gamma_ramps64_t ramps) { + return libgamma_translated_ramp_set(this, ramps, 64, 16, + libgamma_w32_gdi_crtc_set_gamma_ramps); } @@ -286,6 +390,8 @@ int libgamma_w32_gdi_crtc_set_gamma_ramps64(libgamma_crtc_state_t* restrict this int libgamma_w32_gdi_crtc_get_gamma_rampsf(libgamma_crtc_state_t* restrict this, libgamma_gamma_rampsf_t* restrict ramps) { + return libgamma_translated_ramp_get(this, ramps, -1, 16, + libgamma_w32_gdi_crtc_get_gamma_ramps); } @@ -300,6 +406,8 @@ int libgamma_w32_gdi_crtc_get_gamma_rampsf(libgamma_crtc_state_t* restrict this, int libgamma_w32_gdi_crtc_set_gamma_rampsf(libgamma_crtc_state_t* restrict this, libgamma_gamma_rampsf_t ramps) { + return libgamma_translated_ramp_set(this, ramps, -1, 16, + libgamma_w32_gdi_crtc_set_gamma_ramps); } @@ -314,6 +422,8 @@ int libgamma_w32_gdi_crtc_set_gamma_rampsf(libgamma_crtc_state_t* restrict this, int libgamma_w32_gdi_crtc_get_gamma_rampsd(libgamma_crtc_state_t* restrict this, libgamma_gamma_rampsd_t* restrict ramps) { + return libgamma_translated_ramp_get(this, ramps, -2, 16, + libgamma_w32_gdi_crtc_get_gamma_ramps); } @@ -328,5 +438,7 @@ int libgamma_w32_gdi_crtc_get_gamma_rampsd(libgamma_crtc_state_t* restrict this, int libgamma_w32_gdi_crtc_set_gamma_rampsd(libgamma_crtc_state_t* restrict this, libgamma_gamma_rampsd_t ramps) { + return libgamma_translated_ramp_set(this, ramps, -2, 16, + libgamma_w32_gdi_crtc_set_gamma_ramps); } |