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-rw-r--r--libgamma_CRTC.c414
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;
+}