/*
 * Copyright 2008-2010 Haiku, Inc.  All rights reserved.
 * Distributed under the terms of the MIT license.
 *
 * Authors:
 *              Gerald Zajac
 */

#include "accelerant.h"


extern "C" void*
get_accelerant_hook(uint32 feature, void* data)
{
        (void)data;             // avoid compiler warning for unused arg

        switch (feature) {
                // General
                case B_INIT_ACCELERANT:
                        return (void*)InitAccelerant;
                case B_UNINIT_ACCELERANT:
                        return (void*)UninitAccelerant;
                case B_CLONE_ACCELERANT:
                        return (void*)CloneAccelerant;
                case B_ACCELERANT_CLONE_INFO_SIZE:
                        return (void*)AccelerantCloneInfoSize;
                case B_GET_ACCELERANT_CLONE_INFO:
                        return (void*)GetAccelerantCloneInfo;
                case B_GET_ACCELERANT_DEVICE_INFO:
                        return (void*)GetAccelerantDeviceInfo;
                case B_ACCELERANT_RETRACE_SEMAPHORE:
                        return NULL;

                // Mode Configuration
                case B_ACCELERANT_MODE_COUNT:
                        return (void*)AccelerantModeCount;
                case B_GET_MODE_LIST:
                        return (void*)GetModeList;
                case B_PROPOSE_DISPLAY_MODE:
                        return (void*)ProposeDisplayMode;
                case B_SET_DISPLAY_MODE:
                        return (void*)SetDisplayMode;
                case B_GET_DISPLAY_MODE:
                        return (void*)GetDisplayMode;
#ifdef __HAIKU__
                case B_GET_PREFERRED_DISPLAY_MODE:
                        return NULL;
                case B_GET_EDID_INFO:
                        return (void*)GetEdidInfo;
#endif
                case B_GET_FRAME_BUFFER_CONFIG:
                        return (void*)GetFrameBufferConfig;
                case B_GET_PIXEL_CLOCK_LIMITS:
                        return (void*)GetPixelClockLimits;
                case B_MOVE_DISPLAY:
                        return (void*)MoveDisplay;
                case B_SET_INDEXED_COLORS:
                        return (void*)(TDFX_SetIndexedColors);
                case B_GET_TIMING_CONSTRAINTS:
                        return NULL;

                // DPMS
                case B_DPMS_CAPABILITIES:
                        return (void*)(TDFX_DPMSCapabilities);
                case B_DPMS_MODE:
                        return (void*)(TDFX_GetDPMSMode);
                case B_SET_DPMS_MODE:
                        return (void*)(TDFX_SetDPMSMode);

                // Cursor
                case B_SET_CURSOR_SHAPE:
                        return (void*)SetCursorShape;
                case B_MOVE_CURSOR:
                        return (void*)MoveCursor;
                case B_SHOW_CURSOR:
                        return (void*)(TDFX_ShowCursor);

                // Engine Management
                case B_ACCELERANT_ENGINE_COUNT:
                        return (void*)AccelerantEngineCount;
                case B_ACQUIRE_ENGINE:
                        return (void*)AcquireEngine;
                case B_RELEASE_ENGINE:
                        return (void*)ReleaseEngine;
                case B_WAIT_ENGINE_IDLE:
                        return (void*)WaitEngineIdle;
                case B_GET_SYNC_TOKEN:
                        return (void*)GetSyncToken;
                case B_SYNC_TO_TOKEN:
                        return (void*)SyncToToken;

                // 2D acceleration
                case B_SCREEN_TO_SCREEN_BLIT:
                        return (void*)(TDFX_ScreenToScreenBlit);
                case B_FILL_RECTANGLE:
                        return (void*)(TDFX_FillRectangle);
                case B_INVERT_RECTANGLE:
                        return (void*)(TDFX_InvertRectangle);
                case B_FILL_SPAN:
                        return (void*)(TDFX_FillSpan);

                // Overlay
                case B_OVERLAY_COUNT:
                        return (void*)OverlayCount;
                case B_OVERLAY_SUPPORTED_SPACES:
                        return (void*)OverlaySupportedSpaces;
                case B_OVERLAY_SUPPORTED_FEATURES:
                        return (void*)OverlaySupportedFeatures;
                case B_ALLOCATE_OVERLAY_BUFFER:
                        return (void*)AllocateOverlayBuffer;
                case B_RELEASE_OVERLAY_BUFFER:
                        return (void*)ReleaseOverlayBuffer;
                case B_GET_OVERLAY_CONSTRAINTS:
                        return (void*)GetOverlayConstraints;
                case B_ALLOCATE_OVERLAY:
                        return (void*)AllocateOverlay;
                case B_RELEASE_OVERLAY:
                        return (void*)ReleaseOverlay;
                case B_CONFIGURE_OVERLAY:
                        return (void*)ConfigureOverlay;
        }

        return NULL;    // Return null pointer for any feature not handled above
}