142 lines
4.1 KiB
C
142 lines
4.1 KiB
C
/**********************************************************
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* Copyright 2008-2009 VMware, Inc. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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**********************************************************/
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/*
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* svga3dutil.h --
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*
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* Higher-level convenience functions built on top of the SVGA3D
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* FIFO command layer.
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*/
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#ifndef __SVGA3DUTIL_H__
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#define __SVGA3DUTIL_H__
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#include "svga3d.h"
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#include "vmbackdoor.h"
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#include "datafile.h"
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/*
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* Default cid for single-context example programs. This constant
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* isn't used by svga3dutil itself, but it's provided as a convenience
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* for example programs that don't need multiple contexts.
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*/
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#define CID 1
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#define MAX_ASYNC_CALLS 128
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#define MAX_DMA_POOL_BUFFERS 128
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typedef struct DMAPool DMAPool;
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typedef struct DMAPoolBuffer {
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DMAPool *pool;
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struct DMAPoolBuffer *next;
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void *buffer;
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SVGAGuestPtr ptr;
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} DMAPoolBuffer;
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struct DMAPool {
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uint32 bufferSize;
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uint32 numBuffers;
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DMAPoolBuffer *freeList;
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DMAPoolBuffer buffers[MAX_DMA_POOL_BUFFERS];
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};
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typedef struct FPSCounterState {
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VMTime now;
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uint32 frame;
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Bool initialized;
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char text[16];
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int hundredths;
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struct {
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VMTime time;
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uint32 frame;
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} lastUpdate;
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} FPSCounterState;
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/*
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* Global data used by the "Fullscreen" utility functions. These
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* utilities make extra assumptions: We're rendering from a single
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* color buffer, and we're using the SVGA device's full resolution.
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*/
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typedef struct FullscreenState {
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SVGA3dSurfaceImageId colorImage;
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SVGA3dSurfaceImageId depthImage;
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uint32 lastPresentFence;
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SVGA3dRect screen;
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} FullscreenState;
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extern FullscreenState gFullscreen;
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typedef void (*AsyncCallFn)(void *);
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/*
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* Device-level Functionality
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*/
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void SVGA3DUtil_InitFullscreen(uint32 cid, uint32 width, uint32 height);
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void SVGA3DUtil_PresentFullscreen(void);
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void SVGA3DUtil_AsyncCall(AsyncCallFn handler, void *arg);
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Bool SVGA3DUtil_UpdateFPSCounter(FPSCounterState *self);
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/*
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* Surface Management
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*/
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uint32 SVGA3DUtil_AllocSurfaceID(void);
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void *SVGA3DUtil_AllocDMABuffer(uint32 size, SVGAGuestPtr *ptr);
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uint32 SVGA3DUtil_DefineSurface2D(uint32 width, uint32 height,
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SVGA3dSurfaceFormat format);
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void SVGA3DUtil_SurfaceDMA2D(uint32 sid, SVGAGuestPtr *guestPtr,
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SVGA3dTransferType transfer, uint32 width, uint32 height);
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uint32 SVGA3DUtil_DefineStaticBuffer(const void *data, uint32 size);
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uint32 SVGA3DUtil_LoadCompressedBuffer(const DataFile *file, uint32 *pSize);
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void SVGA3DUtil_AllocDMAPool(DMAPool *self, uint32 bufferSize, uint32 numBuffers);
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DMAPoolBuffer *SVGA3DUtil_DMAPoolGetBuffer(DMAPool *self);
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void SVGA3DUtil_DMAPoolFreeBuffer(DMAPoolBuffer *buffer);
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/*
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* Shaders
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*/
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void SVGA3DUtil_SetShaderConstMatrix(uint32 cid, uint32 reg,
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SVGA3dShaderType type, const float *matrix);
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/*
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* Drawing Operations
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*/
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void SVGA3DUtil_ClearFullscreen(uint32 cid, SVGA3dClearFlag flags,
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uint32 color, float depth, uint32 stencil);
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#endif /* __SVGA3DUTIL_H__ */
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