Vuo
0.5.3
|
VuoSceneRenderer implementation.
Classes | |
struct | VuoSceneRendererInternal_vertices |
GL Objects corresponding with a VuoVertices instance. More... | |
class | VuoSceneRendererInternal_object |
GL Objects corresponding with a VuoSceneObject instance. More... | |
class | VuoSceneRendererInternal |
Internal state data for a VuoSceneRenderer instance. More... | |
Macros | |
#define | glGenVertexArrays glGenVertexArraysAPPLE |
#define | glBindVertexArray glBindVertexArrayAPPLE |
#define | glDeleteVertexArrays glDeleteVertexArraysAPPLE |
Functions | |
void | VuoSceneRenderer_destroy (VuoSceneRenderer sr) |
Destroys and deallocates the scene renderer. | |
VuoSceneRenderer | VuoSceneRenderer_make (void) |
Creates a reference-counted object for rendering a scenegraph. | |
void | VuoSceneRenderer_prepareContext (VuoSceneRenderer sceneRenderer, VuoGlContext glContext) |
Sets up OpenGL state on the current GL Context. | |
void | VuoSceneRenderer_regenerateProjectionMatrixInternal (VuoSceneRendererInternal *sceneRenderer) |
Helper for VuoSceneRenderer_regenerateProjectionMatrix and VuoSceneRenderer_draw. | |
void | VuoSceneRenderer_regenerateProjectionMatrix (VuoSceneRenderer sr, unsigned int width, unsigned int height) |
Using the first camera found in the scene (or VuoSceneObject_makeDefaultCamera() if there is no camera in the scene), recalculates the projection matrix based on the specified viewport width and height . | |
void | VuoSceneRenderer_drawSceneObject (VuoSceneObject so, VuoSceneRendererInternal_object *soi, float projectionMatrix[16], float modelviewMatrix[16], VuoGlContext glContext) |
Draws so (using the uploaded object names in soi ). | |
void | VuoSceneRenderer_drawSceneObjectsRecursively (VuoSceneObject so, VuoSceneRendererInternal_object *soi, float projectionMatrix[16], float modelviewMatrix[16], VuoGlContext glContext) |
Draws so and its child objects. | |
void | VuoSceneRenderer_draw (VuoSceneRenderer sr, VuoGlContext glContext) |
Renders the scene. | |
void | VuoSceneRenderer_drawElement (VuoSceneRenderer sr, VuoGlContext glContext, int element, float length) |
Draws all vertex normals in sceneRenderer-rootSceneObject. | |
void | VuoSceneRenderer_uploadSceneObject (VuoSceneObject so, VuoSceneRendererInternal_object *soi, VuoGlContext glContext) |
Uploads so to the GPU, and stores the uploaded object names in soi . | |
void | VuoSceneRenderer_uploadSceneObjectsRecursively (VuoSceneObject so, VuoSceneRendererInternal_object *soi, VuoGlContext glContext) |
Uploads so and its child objects to the GPU, and stores the uploaded object names in soi . | |
void | VuoSceneRenderer_releaseSceneObject (VuoSceneObject so, VuoSceneRendererInternal_object *soi, VuoGlContext glContext) |
Releases the GPU objects created by VuoSceneRenderer_uploadSceneObject . | |
void | VuoSceneRenderer_releaseSceneObjectsRecursively (VuoSceneObject so, VuoSceneRendererInternal_object *soi, VuoGlContext glContext) |
Releases the GPU objects created by VuoSceneRenderer_uploadSceneObjectsRecursively . | |
void | VuoSceneRenderer_retainSceneObjectsRecursively (VuoSceneObject so) |
Deeply retains so . | |
void | VuoSceneRenderer_setRootSceneObject (VuoSceneRenderer sr, VuoGlContext glContext, VuoSceneObject rootSceneObject) |
Changes the scenegraph to be rendered. | |
void | VuoSceneRenderer_setCameraName (VuoSceneRenderer sr, VuoText cameraName) |
Changes the name of the camera to look for. | |
struct VuoSceneRendererInternal_vertices |
class VuoSceneRendererInternal_object |
Class Members | ||
---|---|---|
list < VuoSceneRendererInternal_object > |
childObjects | |
list < VuoSceneRendererInternal_vertices > |
vertices |
class VuoSceneRendererInternal |
Class Members | ||
---|---|---|
VuoText | cameraName | |
bool | needToRegenerateProjectionMatrix | |
float | projectionMatrix[16] | Column-major 4x4 matrix. |
VuoSceneObject | rootSceneObject | |
VuoSceneRendererInternal_object | rootSceneObjectInternal | |
dispatch_semaphore_t | scenegraphSemaphore | Serializes access to other data in this structure. |
bool | scenegraphValid | |
unsigned int | viewportHeight | |
unsigned int | viewportWidth |
void VuoSceneRenderer_destroy | ( | VuoSceneRenderer | sr | ) |
Destroys and deallocates the scene renderer.
This function may be called from any thread.
void VuoSceneRenderer_draw | ( | VuoSceneRenderer | sr, |
VuoGlContext | glContext | ||
) |
Renders the scene.
This function may be called from any thread. (However, the caller is responsible for ensuring that the GL context is not used simultaneously on multiple threads.)
void VuoSceneRenderer_drawElement | ( | VuoSceneRenderer | sr, |
VuoGlContext | glContext, | ||
int | element, | ||
float | length | ||
) |
Draws all vertex normals in sceneRenderer-rootSceneObject.
This function may be called from any thread. (However, the caller is responsible for ensuring that the GL context is not used simultaneously on multiple threads.)
void VuoSceneRenderer_drawSceneObject | ( | VuoSceneObject | so, |
VuoSceneRendererInternal_object * | soi, | ||
float | projectionMatrix[16], | ||
float | modelviewMatrix[16], | ||
VuoGlContext | glContext | ||
) |
Draws so
(using the uploaded object names in soi
).
Does not traverse child objects.
Must be called while scenegraphSemaphore is locked.
This function may be called from any thread. (However, the caller is responsible for ensuring that the GL context is not used simultaneously on multiple threads.)
void VuoSceneRenderer_drawSceneObjectsRecursively | ( | VuoSceneObject | so, |
VuoSceneRendererInternal_object * | soi, | ||
float | projectionMatrix[16], | ||
float | modelviewMatrix[16], | ||
VuoGlContext | glContext | ||
) |
Draws so
and its child objects.
Must be called while scenegraphSemaphore is locked.
This function may be called from any thread. (However, the caller is responsible for ensuring that the GL context is not used simultaneously on multiple threads.)
VuoSceneRenderer VuoSceneRenderer_make | ( | void | ) |
Creates a reference-counted object for rendering a scenegraph.
This function may be called from any thread.
void VuoSceneRenderer_prepareContext | ( | VuoSceneRenderer | sceneRenderer, |
VuoGlContext | glContext | ||
) |
Sets up OpenGL state on the current GL Context.
This function may be called from any thread. (However, the caller is responsible for ensuring that the GL context is not used simultaneously on multiple threads.)
void VuoSceneRenderer_regenerateProjectionMatrix | ( | VuoSceneRenderer | sr, |
unsigned int | width, | ||
unsigned int | height | ||
) |
Using the first camera found in the scene (or VuoSceneObject_makeDefaultCamera() if there is no camera in the scene), recalculates the projection matrix based on the specified viewport width
and height
.
This function may be called from any thread.
void VuoSceneRenderer_regenerateProjectionMatrixInternal | ( | VuoSceneRendererInternal * | sceneRenderer | ) |
Helper for VuoSceneRenderer_regenerateProjectionMatrix and VuoSceneRenderer_draw.
Must be called while scenegraphSemaphore is locked.
void VuoSceneRenderer_releaseSceneObject | ( | VuoSceneObject | so, |
VuoSceneRendererInternal_object * | soi, | ||
VuoGlContext | glContext | ||
) |
Releases the GPU objects created by VuoSceneRenderer_uploadSceneObject
.
Does not traverse child objects.
Must be called while scenegraphSemaphore is locked.
This function may be called from any thread. (However, the caller is responsible for ensuring that the GL context is not used simultaneously on multiple threads.)
void VuoSceneRenderer_releaseSceneObjectsRecursively | ( | VuoSceneObject | so, |
VuoSceneRendererInternal_object * | soi, | ||
VuoGlContext | glContext | ||
) |
Releases the GPU objects created by VuoSceneRenderer_uploadSceneObjectsRecursively
.
Must be called while scenegraphSemaphore is locked.
This function may be called from any thread. (However, the caller is responsible for ensuring that the GL context is not used simultaneously on multiple threads.)
void VuoSceneRenderer_retainSceneObjectsRecursively | ( | VuoSceneObject | so | ) |
Deeply retains so
.
Must be called while scenegraphSemaphore is locked.
This function may be called from any thread.
void VuoSceneRenderer_setCameraName | ( | VuoSceneRenderer | sr, |
VuoText | cameraName | ||
) |
Changes the name of the camera to look for.
The first camera whose name contains cameraName
will be rendered (next time VuoSceneRenderer_draw()
is called), or, if no camera matches, VuoSceneObject_makeDefaultCamera()
will be used.
This function may be called from any thread.
void VuoSceneRenderer_setRootSceneObject | ( | VuoSceneRenderer | sr, |
VuoGlContext | glContext, | ||
VuoSceneObject | rootSceneObject | ||
) |
Changes the scenegraph to be rendered.
This function may be called from any thread. (However, the caller is responsible for ensuring that the GL context is not used simultaneously on multiple threads.)
void VuoSceneRenderer_uploadSceneObject | ( | VuoSceneObject | so, |
VuoSceneRendererInternal_object * | soi, | ||
VuoGlContext | glContext | ||
) |
Uploads so
to the GPU, and stores the uploaded object names in soi
.
Does not traverse child objects.
Must be called while scenegraphSemaphore is locked.
This function may be called from any thread. (However, the caller is responsible for ensuring that the GL context is not used simultaneously on multiple threads.)
void VuoSceneRenderer_uploadSceneObjectsRecursively | ( | VuoSceneObject | so, |
VuoSceneRendererInternal_object * | soi, | ||
VuoGlContext | glContext | ||
) |
Uploads so
and its child objects to the GPU, and stores the uploaded object names in soi
.
Must be called while scenegraphSemaphore is locked.
This function may be called from any thread. (However, the caller is responsible for ensuring that the GL context is not used simultaneously on multiple threads.)