forked from LeenkxTeam/LNXSDK
85 lines
3.2 KiB
C
85 lines
3.2 KiB
C
|
#pragma once
|
||
|
|
|
||
|
|
#include <kinc/global.h>
|
||
|
|
|
||
|
|
#include "usage.h"
|
||
|
|
|
||
|
|
#include <kinc/backend/graphics4/indexbuffer.h>
|
||
|
|
|
||
|
|
/*! \file indexbuffer.h
|
||
|
|
\brief Provides functions for setting up and using index-buffers.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
typedef enum kinc_g4_index_buffer_format { KINC_G4_INDEX_BUFFER_FORMAT_32BIT, KINC_G4_INDEX_BUFFER_FORMAT_16BIT } kinc_g4_index_buffer_format_t;
|
||
|
|
|
||
|
|
typedef struct kinc_g4_index_buffer {
|
||
|
|
kinc_g4_index_buffer_impl_t impl;
|
||
|
|
} kinc_g4_index_buffer_t;
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Initializes an index-buffer.
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="buffer">The buffer to initialize</param>
|
||
|
|
/// <param name="count">The number of indices to allocate for the buffer</param>
|
||
|
|
/// <param name="format">The integer-format of the buffer</param>
|
||
|
|
/// <param name="usage">A hint for how the buffer will be used</param>
|
||
|
|
KINC_FUNC void kinc_g4_index_buffer_init(kinc_g4_index_buffer_t *buffer, int count, kinc_g4_index_buffer_format_t format, kinc_g4_usage_t usage);
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Destroys an index-buffer.
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="buffer">The buffer to destroy</param>
|
||
|
|
KINC_FUNC void kinc_g4_index_buffer_destroy(kinc_g4_index_buffer_t *buffer);
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Locks an index-buffer so its contents can be modified.
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="buffer">The buffer to lock</param>
|
||
|
|
/// <returns>The contents of the index-buffer in uint32s or uint16s depending on the format provided when initializing</returns>
|
||
|
|
KINC_FUNC void *kinc_g4_index_buffer_lock_all(kinc_g4_index_buffer_t *buffer);
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Locks part of a vertex-buffer to modify its contents.
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="buffer">The buffer to lock</param>
|
||
|
|
/// <param name="start">The index of the first index to lock</param>
|
||
|
|
/// <param name="count">The number of indices to lock</param>
|
||
|
|
/// <returns>The contents of the index-buffer, starting at start, in uint32s or uint16s depending on the format provided when initializing</returns>
|
||
|
|
KINC_FUNC void *kinc_g4_index_buffer_lock(kinc_g4_index_buffer_t *buffer, int start, int count);
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Unlocks an index-buffer after locking it so the changed buffer-contents can be used.
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="buffer">The buffer to unlock</param>
|
||
|
|
KINC_FUNC void kinc_g4_index_buffer_unlock_all(kinc_g4_index_buffer_t *buffer);
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Unlocks part of an index-buffer after locking so the changed buffer-contents can be used.
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="buffer">The buffer to unlock</param>
|
||
|
|
/// <param name="count">The number of indices to unlock, starting from the start-index from the previous lock-call</param>
|
||
|
|
KINC_FUNC void kinc_g4_index_buffer_unlock(kinc_g4_index_buffer_t *buffer, int count);
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Returns the number of indices in the buffer.
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="buffer">The buffer to query for its number of indices</param>
|
||
|
|
/// <returns>The number of indices</returns>
|
||
|
|
KINC_FUNC int kinc_g4_index_buffer_count(kinc_g4_index_buffer_t *buffer);
|
||
|
|
|
||
|
|
void kinc_internal_g4_index_buffer_set(kinc_g4_index_buffer_t *buffer);
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Sets an index-buffer to be used for the next draw-command.
|
||
|
|
/// </summary>
|
||
|
|
/// <param name="buffer">The buffer to use</param>
|
||
|
|
KINC_FUNC void kinc_g4_set_index_buffer(kinc_g4_index_buffer_t *buffer);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|