diff options
Diffstat (limited to '')
| -rw-r--r-- | libgamma_CRTC.c | 414 |
1 files changed, 414 insertions, 0 deletions
diff --git a/libgamma_CRTC.c b/libgamma_CRTC.c new file mode 100644 index 0000000..284beee --- /dev/null +++ b/libgamma_CRTC.c @@ -0,0 +1,414 @@ +/* See LICENSE file for copyright and license details. */ +#include "libgamma_CRTC.h" +#include <errno.h> +#include <stdlib.h> + +#include <libgamma.h> + + +/** + * Make a failure-return + * + * @param error_code The error code returned from the failing function or zero to read `errno` + * @return The object to return + */ +static jlongArray +fail(JNIEnv *env, int error_code) +{ + jlongArray rc = (*env)->NewLongArray(env, 2); + jlong e, z = 0; + if ((error_code == LIBGAMMA_ERRNO_SET) || !error_code) + error_code = errno; + e = (jlong)error_code; + (*env)->SetLongArrayRegion(env, rc, 0, 1, &z); + (*env)->SetLongArrayRegion(env, rc, 1, 1, &e); + return rc; +} + +/** + * Make a success-return + * + * @param state The native object + * @return The object to return + */ +static jlongArray +ok(JNIEnv *env, void *state) +{ + jlong a = (jlong)(size_t)state, z = 0; + jlongArray rc = (*env)->NewLongArray(env, 2); + (*env)->SetLongArrayRegion(env, rc, 0, 1, &a); + (*env)->SetLongArrayRegion(env, rc, 1, 1, &z); + return rc; +} + +/** + * Create a CRTC state + * + * @param partition The partition state for the partition that the CRTC belongs to + * @param crtc The index of the CRTC within the partition + * @return Element 0: The value for {@link #address} + * Element 1: Error code, zero on success + */ +jlongArray +Java_libgamma_CRTC_libgamma_1crtc_1create(JNIEnv *env, jclass class, jlong partition, jint crtc) +{ + libgamma_crtc_state_t *state = malloc(sizeof(libgamma_crtc_state_t)); + void *super = (void *)(size_t)partition; + int r; + if (!state) + return fail(env, 0); + r = libgamma_crtc_initialise(state, super, crtc); + if (r) + return fail(env, r); + return ok(env, state); + (void) class; +} + +/** + * Release all resources held by a CRTC state + * and free the CRTC state pointer + * + * @param address The CRTC state + */ +void +Java_libgamma_CRTC_libgamma_1crtc_1free(JNIEnv *env, jclass class, jlong address) +{ + void *this = (void *)(size_t)address; + libgamma_crtc_free(this); + (void) env; + (void) class; +} + +/** + * Restore the gamma ramps for a CRTC to the system settings for that CRTC + * + * @param address The CRTC state + * @return Zero on success, and error code on failure + */ +jint +Java_libgamma_CRTC_libgamma_1crtc_1restore(JNIEnv *env, jclass class, jlong address) +{ + void *this = (void *)(size_t)address; + int r = libgamma_crtc_restore(this); + if (r) + return r == LIBGAMMA_ERRNO_SET ? errno : r; + return 0; + (void) env; + (void) class; +} + + +/** + * Read information about a CRTC + * + * @param crtc The state of the CRTC whose information should be read + * @param fields OR:ed identifiers for the information about the CRTC that should be read + * @return Input parameters for the constructor of {@link CRTCInformation} + */ +jobjectArray +Java_libgamma_CRTC_libgamma_1get_1crtc_1information(JNIEnv *env, jclass class, jlong crtc, jint fields) +{ + void *this_voidp = (void *)(size_t)crtc; + libgamma_crtc_state_t *this = this_voidp; + jbyteArray edid = NULL; + jstring connector_name = NULL; + jclass class_of_jobject = (*env)->FindClass(env, "java/lang/Object"); + jintArray ints_ = (*env)->NewIntArray(env, 25); + jfloatArray gamma_ = (*env)->NewFloatArray(env, 3); + jobjectArray rc = (*env)->NewObjectArray(env, 4, class_of_jobject, NULL); + libgamma_crtc_information_t info; + jint ints[25]; + jfloat gamma[3]; + + libgamma_get_crtc_information(&info, this, fields); + + if (info.edid) { + edid = (*env)->NewByteArray(env, info.edid_length); + (*env)->SetByteArrayRegion(env, edid, 0, info.edid_length, (const jbyte*)(info.edid)); + free(info.edid); + } + + if (connector_name) + connector_name = (*env)->NewStringUTF(env, info.connector_name); + + gamma[0] = (jfloat)info.gamma_red; + gamma[1] = (jfloat)info.gamma_green; + gamma[2] = (jfloat)info.gamma_blue; + + ints[0] = (jint)info.edid_error; + ints[1] = (jint)info.width_mm; + ints[2] = (jint)info.width_mm_error; + ints[3] = (jint)info.height_mm; + ints[4] = (jint)info.height_mm_error; + ints[5] = (jint)info.width_mm_edid; + ints[6] = (jint)info.width_mm_edid_error; + ints[7] = (jint)info.height_mm_edid; + ints[8] = (jint)info.height_mm_edid_error; + ints[9] = (jint)info.red_gamma_size; + ints[10] = (jint)info.green_gamma_size; + ints[11] = (jint)info.blue_gamma_size; + ints[12] = (jint)info.gamma_size_error; + ints[13] = (jint)info.gamma_depth; + ints[14] = (jint)info.gamma_depth_error; + ints[15] = (jint)info.gamma_support; + ints[16] = (jint)info.gamma_support_error; + ints[17] = (jint)info.subpixel_order; + ints[18] = (jint)info.subpixel_order_error; + ints[19] = (jint)info.active; + ints[20] = (jint)info.active_error; + ints[21] = (jint)info.connector_name_error; + ints[22] = (jint)info.connector_type; + ints[23] = (jint)info.connector_type_error; + ints[24] = (jint)info.gamma_error; + + (*env)->SetIntArrayRegion(env, ints_, 0, 25, ints); + (*env)->SetFloatArrayRegion(env, gamma_, 0, 3, gamma); + + (*env)->SetObjectArrayElement(env, rc, 0, edid); + (*env)->SetObjectArrayElement(env, rc, 1, connector_name); + (*env)->SetObjectArrayElement(env, rc, 2, gamma_); + (*env)->SetObjectArrayElement(env, rc, 3, ints_); + + return rc; + (void) class; +} + +/** + * Get the current gamma ramps for a CRTC, 8-bit gamma-depth version + * + * @param address The CRTC state + * @param ramps The gamma ramps to fill with the current values + * @return Zero on success, an error code on failure + */ +jint +Java_libgamma_CRTC_libgamma_1crtc_1get_1gamma_1ramps8(JNIEnv *env, jclass class, jlong address, jlong ramps) +{ + void *crtc_voidp = (void *)(size_t)address; + libgamma_crtc_state_t *crtc = crtc_voidp; + void *output_voidp = (void *)(size_t)ramps; + libgamma_gamma_ramps8_t *output = output_voidp; + int r = libgamma_crtc_get_gamma_ramps8(crtc, output); + return r == LIBGAMMA_ERRNO_SET ? errno : r; + (void) env; + (void) class; +} + +/** + * Set the gamma ramps for a CRTC, 8-bit gamma-depth version + * + * @param address The CRTC state + * @param ramps The gamma ramps to apply + * @return Zero on success, an error code on failure + */ +jint +Java_libgamma_CRTC_libgamma_1crtc_1set_1gamma_1ramps8(JNIEnv *env, jclass class, jlong address, jlong ramps) +{ + void *crtc_voidp = (void *)(size_t)address; + libgamma_crtc_state_t *crtc = crtc_voidp; + void *values_voidp = (void *)(size_t)ramps; + libgamma_gamma_ramps8_t *values = values_voidp; + int r = libgamma_crtc_set_gamma_ramps8(crtc, *values); + return r == LIBGAMMA_ERRNO_SET ? errno : r; + (void) env; + (void) class; +} + +/** + * Get the current gamma ramps for a CRTC, 16-bit gamma-depth version + * + * @param address The CRTC state + * @param ramps The gamma ramps to fill with the current values + * @return Zero on success, an error code on failure + */ +jint +Java_libgamma_CRTC_libgamma_1crtc_1get_1gamma_1ramps16(JNIEnv *env, jclass class, jlong address, jlong ramps) +{ + void *crtc_voidp = (void *)(size_t)address; + libgamma_crtc_state_t *crtc = crtc_voidp; + void *output_voidp = (void *)(size_t)ramps; + libgamma_gamma_ramps16_t *output = output_voidp; + int r = libgamma_crtc_get_gamma_ramps16(crtc, output); + return r == LIBGAMMA_ERRNO_SET ? errno : r; + (void) env; + (void) class; +} + +/** + * Set the gamma ramps for a CRTC, 16-bit gamma-depth version + * + * @param address The CRTC state + * @param ramps The gamma ramps to apply + * @return Zero on success, an error code on failure + */ +jint +Java_libgamma_CRTC_libgamma_1crtc_1set_1gamma_1ramps16(JNIEnv *env, jclass class, jlong address, jlong ramps) +{ + void *crtc_voidp = (void *)(size_t)address; + libgamma_crtc_state_t *crtc = crtc_voidp; + void *values_voidp = (void *)(size_t)ramps; + libgamma_gamma_ramps16_t *values = values_voidp; + int r = libgamma_crtc_set_gamma_ramps16(crtc, *values); + return r == LIBGAMMA_ERRNO_SET ? errno : r; + (void) env; + (void) class; +} + +/** + * Get the current gamma ramps for a CRTC, 32-bit gamma-depth version + * + * @param address The CRTC state + * @param ramps The gamma ramps to fill with the current values + * @return Zero on success, an error code on failure + */ +jint +Java_libgamma_CRTC_libgamma_1crtc_1get_1gamma_1ramps32(JNIEnv *env, jclass class, jlong address, jlong ramps) +{ + void *crtc_voidp = (void *)(size_t)address; + libgamma_crtc_state_t *crtc = crtc_voidp; + void *output_voidp = (void *)(size_t)ramps; + libgamma_gamma_ramps32_t *output = output_voidp; + int r = libgamma_crtc_get_gamma_ramps32(crtc, output); + return r == LIBGAMMA_ERRNO_SET ? errno : r; + (void) env; + (void) class; +} + +/** + * Set the gamma ramps for a CRTC, 32-bit gamma-depth version + * + * @param address The CRTC state + * @param ramps The gamma ramps to apply + * @return Zero on success, an error code on failure + */ +jint +Java_libgamma_CRTC_libgamma_1crtc_1set_1gamma_1ramps32(JNIEnv *env, jclass class, jlong address, jlong ramps) +{ + void *crtc_voidp = (void *)(size_t)address; + libgamma_crtc_state_t *crtc = crtc_voidp; + void *values_voidp = (void *)(size_t)ramps; + libgamma_gamma_ramps32_t *values = values_voidp; + int r = libgamma_crtc_set_gamma_ramps32(crtc, *values); + return r == LIBGAMMA_ERRNO_SET ? errno : r; + (void) env; + (void) class; +} + +/** + * Get the current gamma ramps for a CRTC, 64-bit gamma-depth version + * + * @param address The CRTC state + * @param ramps The gamma ramps to fill with the current values + * @return Zero on success, an error code on failure + */ +jint +Java_libgamma_CRTC_libgamma_1crtc_1get_1gamma_1ramps64(JNIEnv *env, jclass class, jlong address, jlong ramps) +{ + void *crtc_voidp = (void *)(size_t)address; + libgamma_crtc_state_t *crtc = crtc_voidp; + void *output_voidp = (void *)(size_t)ramps; + libgamma_gamma_ramps64_t *output = output_voidp; + int r = libgamma_crtc_get_gamma_ramps64(crtc, output); + return r == LIBGAMMA_ERRNO_SET ? errno : r; + (void) env; + (void) class; +} + +/** + * Set the gamma ramps for a CRTC, 64-bit gamma-depth version + * + * @param address The CRTC state + * @param ramps The gamma ramps to apply + * @return Zero on success, an error code on failure + */ +jint +Java_libgamma_CRTC_libgamma_1crtc_1set_1gamma_1ramps64(JNIEnv *env, jclass class, jlong address, jlong ramps) +{ + void *crtc_voidp = (void *)(size_t)address; + libgamma_crtc_state_t *crtc = crtc_voidp; + void *values_voidp = (void *)(size_t)ramps; + libgamma_gamma_ramps64_t *values = values_voidp; + int r = libgamma_crtc_set_gamma_ramps64(crtc, *values); + return r == LIBGAMMA_ERRNO_SET ? errno : r; + (void) env; + (void) class; +} + +/** + * Set the gamma ramps for a CRTC, single precision floating point version + * + * @param address The CRTC state + * @param ramps The gamma ramps to apply + * @return Zero on success, an error code on failure + */ +jint +Java_libgamma_CRTC_libgamma_1crtc_1set_1gamma_1rampsf(JNIEnv *env, jclass class, jlong address, jlong ramps) +{ + void *crtc_voidp = (void *)(size_t)address; + libgamma_crtc_state_t *crtc = crtc_voidp; + void *output_voidp = (void *)(size_t)ramps; + libgamma_gamma_rampsf_t *output = output_voidp; + int r = libgamma_crtc_get_gamma_rampsf(crtc, output); + return r == LIBGAMMA_ERRNO_SET ? errno : r; + (void) env; + (void) class; +} + +/** + * Get the current gamma ramps for a CRTC, single precision floating point version + * + * @param address The CRTC state + * @param ramps The gamma ramps to fill with the current values + * @return Zero on success, an error code on failure + */ +jint +Java_libgamma_CRTC_libgamma_1crtc_1get_1gamma_1rampsf(JNIEnv *env, jclass class, jlong address, jlong ramps) +{ + void *crtc_voidp = (void *)(size_t)address; + libgamma_crtc_state_t * crtc = crtc_voidp; + void *values_voidp = (void *)(size_t)ramps; + libgamma_gamma_rampsf_t * values = values_voidp; + int r = libgamma_crtc_set_gamma_rampsf(crtc, *values); + return r == LIBGAMMA_ERRNO_SET ? errno : r; + (void) env; + (void) class; +} + +/** + * Get the current gamma ramps for a CRTC, double precision floating point version + * + * @param address The CRTC state + * @param ramps The gamma ramps to fill with the current values + * @return Zero on success, an error code on failure + */ +jint +Java_libgamma_CRTC_libgamma_1crtc_1get_1gamma_1rampsd(JNIEnv *env, jclass class, jlong address, jlong ramps) +{ + void *crtc_voidp = (void *)(size_t)address; + libgamma_crtc_state_t *crtc = crtc_voidp; + void *output_voidp = (void *)(size_t)ramps; + libgamma_gamma_rampsd_t *output = output_voidp; + int r = libgamma_crtc_get_gamma_rampsd(crtc, output); + return r == LIBGAMMA_ERRNO_SET ? errno : r; + (void) env; + (void) class; +} + +/** + * Set the gamma ramps for a CRTC, double precision floating point version + * + * @param address The CRTC state + * @param ramps The gamma ramps to apply + * @return Zero on success, an error code on failure + */ +jint +Java_libgamma_CRTC_libgamma_1crtc_1set_1gamma_1rampsd(JNIEnv *env, jclass class, jlong address, jlong ramps) +{ + void *crtc_voidp = (void *)(size_t)address; + libgamma_crtc_state_t *crtc = crtc_voidp; + void *values_voidp = (void *)(size_t)ramps; + libgamma_gamma_rampsd_t *values = values_voidp; + int r = libgamma_crtc_set_gamma_rampsd(crtc, *values); + return r == LIBGAMMA_ERRNO_SET ? errno : r; + (void) env; + (void) class; +} |