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-rw-r--r--libdimension/dimension/array.h14
-rw-r--r--libdimension/dimension/camera.h7
-rw-r--r--libdimension/dimension/canvas.h7
-rw-r--r--libdimension/dimension/color.h6
-rw-r--r--libdimension/dimension/cube.h6
-rw-r--r--libdimension/dimension/error.h19
-rw-r--r--libdimension/dimension/geometry.h4
-rw-r--r--libdimension/dimension/object.h7
-rw-r--r--libdimension/dimension/png.h4
-rw-r--r--libdimension/dimension/progress.h14
-rw-r--r--libdimension/dimension/raytrace.h4
-rw-r--r--libdimension/dimension/scene.h6
-rw-r--r--libdimension/dimension/sphere.h6
13 files changed, 65 insertions, 39 deletions
diff --git a/libdimension/dimension/array.h b/libdimension/dimension/array.h
index d0693fc..0af4406 100644
--- a/libdimension/dimension/array.h
+++ b/libdimension/dimension/array.h
@@ -18,14 +18,14 @@
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
-#ifndef DIMENSION_ARRAY_H
-#define DIMENSION_ARRAY_H
-
/*
* Simple thread-safe generalized arrays, for returning variable-length arrays
* from functions, and other fun stuff.
*/
+#ifndef DIMENSION_ARRAY_H
+#define DIMENSION_ARRAY_H
+
#include <pthread.h> /* For pthread_rwlock_t */
#include <stdlib.h> /* For size_t */
@@ -37,24 +37,26 @@ typedef struct {
pthread_rwlock_t *rwlock;
} dmnsn_array;
+/* Array allocation never returns NULL - if dmnsn_new_array, it succeeded */
dmnsn_array *dmnsn_new_array(size_t obj_size);
void dmnsn_delete_array(dmnsn_array *array);
+/* Thread-safe atomic array access */
+
void dmnsn_array_push(dmnsn_array *array, const void *obj);
void dmnsn_array_pop(dmnsn_array *array, void *obj);
-
void dmnsn_array_get(const dmnsn_array *array, size_t i, void *obj);
void dmnsn_array_set(dmnsn_array *array, size_t i, const void *obj);
size_t dmnsn_array_size(const dmnsn_array *array);
void dmnsn_array_resize(dmnsn_array *array, size_t length);
-/* Manual locking */
-
+/* Non-atomic operations for manual locking */
void *dmnsn_array_at(dmnsn_array *array, size_t i);
size_t dmnsn_array_size_unlocked(const dmnsn_array *array);
void dmnsn_array_resize_unlocked(dmnsn_array *array, size_t length);
+/* Manual locking */
void dmnsn_array_rdlock(const dmnsn_array *array);
void dmnsn_array_wrlock(dmnsn_array *array);
void dmnsn_array_unlock(const dmnsn_array *array);
diff --git a/libdimension/dimension/camera.h b/libdimension/dimension/camera.h
index 95b36fa..9b06359 100644
--- a/libdimension/dimension/camera.h
+++ b/libdimension/dimension/camera.h
@@ -18,13 +18,13 @@
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
-#ifndef DIMENSION_CAMERA_H
-#define DIMENSION_CAMERA_H
-
/*
* A camera.
*/
+#ifndef DIMENSION_CAMERA_H
+#define DIMENSION_CAMERA_H
+
/* Forward-declare dmnsn_camera */
typedef struct dmnsn_camera dmnsn_camera;
@@ -47,7 +47,6 @@ void dmnsn_delete_camera(dmnsn_camera *camera);
/* A perspective camera, at the origin, looking at (0, 0, 1). The feild of view
is the section of the plane z = 1 from (-0.5, -0.5) to (0.5, 0.5). Rays are
transformed by the transformation matrix `trans'. */
-
dmnsn_camera *dmnsn_new_perspective_camera(dmnsn_matrix trans);
void dmnsn_delete_perspective_camera(dmnsn_camera *camera);
diff --git a/libdimension/dimension/canvas.h b/libdimension/dimension/canvas.h
index f05264b..50cc612 100644
--- a/libdimension/dimension/canvas.h
+++ b/libdimension/dimension/canvas.h
@@ -18,14 +18,15 @@
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
+/*
+ * A canvas which is rendered to.
+ */
+
#ifndef DIMENSION_CANVAS_H
#define DIMENSION_CANVAS_H
#include <pthread.h>
-/*
- * A canvas which is rendered to.
- */
typedef struct {
unsigned int x, y;
diff --git a/libdimension/dimension/color.h b/libdimension/dimension/color.h
index ab6efa3..f1964c3 100644
--- a/libdimension/dimension/color.h
+++ b/libdimension/dimension/color.h
@@ -18,13 +18,13 @@
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
-#ifndef DIMENSION_COLOR_H
-#define DIMENSION_COLOR_H
-
/*
* Types to represent color.
*/
+#ifndef DIMENSION_COLOR_H
+#define DIMENSION_COLOR_H
+
/* Internally, we use CIE 1931 XYZ color. */
typedef struct {
double X, Y, Z;
diff --git a/libdimension/dimension/cube.h b/libdimension/dimension/cube.h
index e7f2b90..e55ec74 100644
--- a/libdimension/dimension/cube.h
+++ b/libdimension/dimension/cube.h
@@ -18,13 +18,13 @@
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
-#ifndef DIMENSION_CUBE_H
-#define DIMENSION_CUBE_H
-
/*
* A cube, axis-aligned, from (-1, -1, -1) to (1, 1, 1)
*/
+#ifndef DIMENSION_CUBE_H
+#define DIMENSION_CUBE_H
+
dmnsn_object *dmnsn_new_cube();
void dmnsn_delete_cube(dmnsn_object *cube);
diff --git a/libdimension/dimension/error.h b/libdimension/dimension/error.h
index 3204cb2..cd7dd81 100644
--- a/libdimension/dimension/error.h
+++ b/libdimension/dimension/error.h
@@ -18,23 +18,26 @@
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
-#ifndef DIMENSION_ERROR_H
-#define DIMENSION_ERROR_H
-
/*
- * Error handling.
+ * Error handling. Errors are reported at a given severity by the dmnsn_error()
+ * macro at a given severity, which prints a warning if it is below the set
+ * resilience, or prints an error and exits if it's at or above the set
+ * resilience.
*/
+#ifndef DIMENSION_ERROR_H
+#define DIMENSION_ERROR_H
+
typedef enum {
DMNSN_SEVERITY_LOW, /* Only die on low resilience */
DMNSN_SEVERITY_MEDIUM, /* Die on low or medium resilience */
DMNSN_SEVERITY_HIGH /* Always die */
} dmnsn_severity;
-/* Use this to report an error */
-#define dmnsn_error(severity, str) \
- dmnsn_report_error((dmnsn_severity)severity, __PRETTY_FUNCTION__, __LINE__, \
- str)
+/* Use this macro to report an error */
+#define dmnsn_error(severity, str) \
+ dmnsn_report_error((dmnsn_severity)(severity), __PRETTY_FUNCTION__, __LINE__,\
+ (str))
/* Called by dmnsn_error() - don't call directly */
void dmnsn_report_error(dmnsn_severity severity,
diff --git a/libdimension/dimension/geometry.h b/libdimension/dimension/geometry.h
index 95692c6..c635fd9 100644
--- a/libdimension/dimension/geometry.h
+++ b/libdimension/dimension/geometry.h
@@ -19,7 +19,7 @@
*************************************************************************/
/*
- * Core geometric types like scalars, vectors, and rays.
+ * Core geometric types like vectors, matricies, and rays.
*/
#ifndef DIMENSION_GEOMETRY_H
@@ -73,6 +73,6 @@ dmnsn_line dmnsn_matrix_line_mul(dmnsn_matrix lhs, dmnsn_line rhs);
/* A point on a line, defined by x0 + t*n */
dmnsn_vector dmnsn_line_point(dmnsn_line l, double t);
/* Solve for the t value such that x0 + t*n = x */
-double dmnsn_line_index(dmnsn_line l, dmnsn_vector x);
+double dmnsn_line_index(dmnsn_line l, dmnsn_vector x);
#endif /* DIMENSION_GEOMETRY_H */
diff --git a/libdimension/dimension/object.h b/libdimension/dimension/object.h
index 589ac29..d18f426 100644
--- a/libdimension/dimension/object.h
+++ b/libdimension/dimension/object.h
@@ -18,13 +18,13 @@
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
-#ifndef DIMENSION_OBJECT_H
-#define DIMENSION_OBJECT_H
-
/*
* Objects.
*/
+#ifndef DIMENSION_OBJECT_H
+#define DIMENSION_OBJECT_H
+
/* Forward-declare dmnsn_object */
typedef struct dmnsn_object dmnsn_object;
@@ -46,6 +46,7 @@ struct dmnsn_object {
dmnsn_object_inside_fn *inside_fn;
};
+/* Allocate a dummy object */
dmnsn_object *dmnsn_new_object();
void dmnsn_delete_object(dmnsn_object *object);
diff --git a/libdimension/dimension/png.h b/libdimension/dimension/png.h
index 05ff79a..858f79f 100644
--- a/libdimension/dimension/png.h
+++ b/libdimension/dimension/png.h
@@ -18,6 +18,10 @@
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
+/*
+ * Support for exporting/importing canvases to/from PNG files
+ */
+
#ifndef DIMENSION_PNG_H
#define DIMENSION_PNG_H
diff --git a/libdimension/dimension/progress.h b/libdimension/dimension/progress.h
index a865c8f..7958ab9 100644
--- a/libdimension/dimension/progress.h
+++ b/libdimension/dimension/progress.h
@@ -18,6 +18,13 @@
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
+/*
+ * An interface for asynchronous tasks. *_async() versions of functions
+ * return a dmnsn_progress* object which can indicate the progress of the
+ * background task, and wait for task completion. The task's return value
+ * is returned as an int from dmnsn_finish_progress().
+ */
+
#ifndef DIMENSION_PROGRESS_H
#define DIMENSION_PROGRESS_H
@@ -43,6 +50,7 @@ typedef struct {
} dmnsn_progress;
dmnsn_progress *dmnsn_new_progress();
+/* For failed returns from *_async() functions */
void dmnsn_delete_progress(dmnsn_progress *progress);
/* This joins the worker thread and returns it's integer return value in
@@ -50,10 +58,14 @@ void dmnsn_delete_progress(dmnsn_progress *progress);
int dmnsn_finish_progress(dmnsn_progress *progress);
double dmnsn_get_progress(const dmnsn_progress *progress);
+/* Wait for the progress to be >= prog, in a better way than spinlocking */
void dmnsn_wait_progress(const dmnsn_progress *progress, double prog);
+/* Create a new level of loop nesting */
void dmnsn_new_progress_element(dmnsn_progress *progress, unsigned int total);
+/* Increment the progress counter; should only be called from innermost loop */
void dmnsn_increment_progress(dmnsn_progress *progress);
-void dmnsn_progress_done(dmnsn_progress *progress);
+/* Instantly complete the progress */
+void dmnsn_done_progress(dmnsn_progress *progress);
#endif /* DIMENSION_PROGRESS_H */
diff --git a/libdimension/dimension/raytrace.h b/libdimension/dimension/raytrace.h
index a69bb72..b58a39b 100644
--- a/libdimension/dimension/raytrace.h
+++ b/libdimension/dimension/raytrace.h
@@ -18,6 +18,10 @@
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
+/*
+ * Render a scene by raytracing
+ */
+
#ifndef DIMENSION_RAYTRACE_H
#define DIMENSION_RAYTRACE_H
diff --git a/libdimension/dimension/scene.h b/libdimension/dimension/scene.h
index a6f2e5d..35087a7 100644
--- a/libdimension/dimension/scene.h
+++ b/libdimension/dimension/scene.h
@@ -18,13 +18,13 @@
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
-#ifndef DIMENSION_SCENE_H
-#define DIMENSION_SCENE_H
-
/*
* A scene.
*/
+#ifndef DIMENSION_SCENE_H
+#define DIMENSION_SCENE_H
+
typedef struct {
dmnsn_color background;
dmnsn_array *objects;
diff --git a/libdimension/dimension/sphere.h b/libdimension/dimension/sphere.h
index 2547965..d7a8f54 100644
--- a/libdimension/dimension/sphere.h
+++ b/libdimension/dimension/sphere.h
@@ -18,13 +18,13 @@
* <http://www.gnu.org/licenses/>. *
*************************************************************************/
-#ifndef DIMENSION_SPHERE_H
-#define DIMENSION_SPHERE_H
-
/*
* A sphere object, of radius 1, centered at the origin.
*/
+#ifndef DIMENSION_SPHERE_H
+#define DIMENSION_SPHERE_H
+
dmnsn_object *dmnsn_new_sphere();
void dmnsn_delete_sphere(dmnsn_object *sphere);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 10:52:04 +0000