mirror of
https://github.com/ptitSeb/Serious-Engine
synced 2024-11-29 21:25:54 +01:00
306 lines
8.4 KiB
C++
306 lines
8.4 KiB
C++
/* Copyright (c) 2002-2012 Croteam Ltd. All rights reserved. */
|
|
|
|
#ifndef SE_INCL_GFX_WRAPPER_H
|
|
#define SE_INCL_GFX_WRAPPER_H
|
|
#ifdef PRAGMA_ONCE
|
|
#pragma once
|
|
#endif
|
|
|
|
|
|
enum GfxBlend
|
|
{
|
|
GFX_ONE = 21,
|
|
GFX_ZERO = 22,
|
|
GFX_SRC_COLOR = 23,
|
|
GFX_INV_SRC_COLOR = 24,
|
|
GFX_DST_COLOR = 25,
|
|
GFX_INV_DST_COLOR = 26,
|
|
GFX_SRC_ALPHA = 27,
|
|
GFX_INV_SRC_ALPHA = 28,
|
|
};
|
|
|
|
enum GfxComp
|
|
{
|
|
GFX_NEVER = 41,
|
|
GFX_LESS = 42,
|
|
GFX_LESS_EQUAL = 43,
|
|
GFX_EQUAL = 44,
|
|
GFX_NOT_EQUAL = 45,
|
|
GFX_GREATER_EQUAL = 46,
|
|
GFX_GREATER = 47,
|
|
GFX_ALWAYS = 48,
|
|
};
|
|
|
|
enum GfxFace
|
|
{
|
|
GFX_NONE = 61,
|
|
GFX_FRONT = 62,
|
|
GFX_BACK = 63,
|
|
GFX_CW = 64,
|
|
GFX_CCW = 65,
|
|
};
|
|
|
|
enum GfxMatrixType
|
|
{
|
|
GFX_VIEW = 71,
|
|
GFX_PROJECTION = 72,
|
|
};
|
|
|
|
enum GfxWrap
|
|
{
|
|
GFX_REPEAT = 81,
|
|
GFX_CLAMP = 82,
|
|
};
|
|
|
|
enum GfxPolyMode
|
|
{
|
|
GFX_FILL = 91,
|
|
GFX_LINE = 92,
|
|
GFX_POINT = 93,
|
|
};
|
|
|
|
|
|
// functions initialization for OGL, D3D or NONE (dummy)
|
|
extern void GFX_SetFunctionPointers( INDEX iAPI);
|
|
|
|
|
|
// enable operations
|
|
extern void (*gfxEnableDepthWrite)(void);
|
|
extern void (*gfxEnableDepthBias)(void);
|
|
extern void (*gfxEnableDepthTest)(void);
|
|
extern void (*gfxEnableAlphaTest)(void);
|
|
extern void (*gfxEnableBlend)(void);
|
|
extern void (*gfxEnableDither)(void);
|
|
extern void (*gfxEnableTexture)(void);
|
|
extern void (*gfxEnableClipping)(void);
|
|
extern void (*gfxEnableClipPlane)(void);
|
|
|
|
// disable operations
|
|
extern void (*gfxDisableDepthWrite)(void);
|
|
extern void (*gfxDisableDepthBias)(void);
|
|
extern void (*gfxDisableDepthTest)(void);
|
|
extern void (*gfxDisableAlphaTest)(void);
|
|
extern void (*gfxDisableBlend)(void);
|
|
extern void (*gfxDisableDither)(void);
|
|
extern void (*gfxDisableTexture)(void);
|
|
extern void (*gfxDisableClipping)(void);
|
|
extern void (*gfxDisableClipPlane)(void);
|
|
|
|
// set blending operations
|
|
extern void (*gfxBlendFunc)( GfxBlend eSrc, GfxBlend eDst);
|
|
|
|
// set depth buffer compare mode
|
|
extern void (*gfxDepthFunc)( GfxComp eFunc);
|
|
|
|
// set depth buffer range
|
|
extern void (*gfxDepthRange)( FLOAT fMin, FLOAT fMax);
|
|
|
|
// color mask control (use CT_RMASK, CT_GMASK, CT_BMASK, CT_AMASK to enable specific channels)
|
|
extern void (*gfxSetColorMask)( ULONG ulColorMask);
|
|
extern ULONG gfxGetColorMask(void);
|
|
|
|
|
|
|
|
// PROJECTIONS
|
|
|
|
|
|
// set face culling
|
|
extern void (*gfxCullFace)( GfxFace eFace);
|
|
extern void (*gfxFrontFace)( GfxFace eFace);
|
|
|
|
// set custom clip plane (if NULL, disable it)
|
|
extern void (*gfxClipPlane)( const DOUBLE *pdPlane);
|
|
|
|
// set orthographic matrix
|
|
extern void (*gfxSetOrtho)( const FLOAT fLeft, const FLOAT fRight,
|
|
const FLOAT fTop, const FLOAT fBottom,
|
|
const FLOAT fNear, const FLOAT fFar, const BOOL bSubPixelAdjust);
|
|
// set frustrum matrix
|
|
extern void (*gfxSetFrustum)( const FLOAT fLeft, const FLOAT fRight,
|
|
const FLOAT fTop, const FLOAT fBottom,
|
|
const FLOAT fNear, const FLOAT fFar);
|
|
// set view matrix
|
|
extern void (*gfxSetViewMatrix)( const FLOAT *pfMatrix);
|
|
|
|
// set texture matrix
|
|
extern void (*gfxSetTextureMatrix)( const FLOAT *pfMatrix);
|
|
|
|
|
|
// polygon mode (point, line or fill)
|
|
extern void (*gfxPolygonMode)( GfxPolyMode ePolyMode);
|
|
|
|
|
|
|
|
// TEXTURES
|
|
|
|
|
|
// texture settings (holds current states of texture quality, size and such)
|
|
struct TextureSettings {
|
|
public:
|
|
//quailties
|
|
INDEX ts_iNormQualityO;
|
|
INDEX ts_iNormQualityA;
|
|
INDEX ts_iAnimQualityO;
|
|
INDEX ts_iAnimQualityA;
|
|
// sizes/forcing
|
|
PIX ts_pixNormSize;
|
|
PIX ts_pixAnimSize;
|
|
// texture formats (set by OGL or D3D)
|
|
ULONG ts_tfRGB8, ts_tfRGBA8; // true color
|
|
ULONG ts_tfRGB5, ts_tfRGBA4, ts_tfRGB5A1; // high color
|
|
ULONG ts_tfLA8, ts_tfL8; // grayscale
|
|
ULONG ts_tfCRGB, ts_tfCRGBA; // compressed formats
|
|
// maximum texel-byte ratio for largest texture size
|
|
INDEX ts_iMaxBytesPerTexel;
|
|
};
|
|
// singleton object for texture settings
|
|
extern struct TextureSettings TS;
|
|
// routine for updating texture settings from console variable
|
|
extern void UpdateTextureSettings(void);
|
|
|
|
|
|
// texture parameters for texture state changes
|
|
class CTexParams {
|
|
public:
|
|
INDEX tp_iFilter; // OpenGL texture mapping mode
|
|
INDEX tp_iAnisotropy; // texture degree of anisotropy (>=1.0f; 1.0=isotropic, default)
|
|
BOOL tp_bSingleMipmap; // texture has only one mipmap
|
|
GfxWrap tp_eWrapU, tp_eWrapV; // wrapping states
|
|
inline CTexParams(void) { Clear(); tp_bSingleMipmap = FALSE; };
|
|
inline void Clear(void) { tp_iFilter = 00; tp_iAnisotropy = 0; tp_eWrapU = tp_eWrapV = (GfxWrap)NONE; };
|
|
inline BOOL IsEqual( CTexParams tp) { return tp_iFilter==tp.tp_iFilter && tp_iAnisotropy==tp.tp_iAnisotropy &&
|
|
tp_eWrapU==tp.tp_eWrapU && tp_eWrapV==tp.tp_eWrapV; };
|
|
};
|
|
|
|
// get current texture filtering mode
|
|
extern void gfxGetTextureFiltering( INDEX &iFilterType, INDEX &iAnisotropyDegree);
|
|
// set texture filtering
|
|
extern void gfxSetTextureFiltering( INDEX &iFilterType, INDEX &iAnisotropyDegree);
|
|
// set texture LOD biasing
|
|
extern void gfxSetTextureBiasing( FLOAT &fLODBias);
|
|
|
|
// set texture wrapping mode
|
|
extern void (*gfxSetTextureWrapping)( enum GfxWrap eWrapU, enum GfxWrap eWrapV);
|
|
|
|
// set texture modulation mode (1X or 2X)
|
|
extern void (*gfxSetTextureModulation)( INDEX iScale);
|
|
|
|
// set texture unit as active
|
|
extern void gfxSetTextureUnit( INDEX iUnit);
|
|
|
|
// generate texture for API
|
|
extern void (*gfxGenerateTexture)( ULONG &ulTexObject);
|
|
// unbind texture from API
|
|
extern void (*gfxDeleteTexture)( ULONG &ulTexObject);
|
|
|
|
|
|
// set texture as current
|
|
// - ulTexture = bind number for OGL, or *LPDIRECT3DTEXTURE8 for D3D (pointer to pointer!)
|
|
extern void gfxSetTexture( ULONG &ulTexObject, CTexParams &tpLocal);
|
|
|
|
// upload texture
|
|
// - ulTexture = bind number for OGL, or LPDIRECT3DTEXTURE8 for D3D
|
|
// - pulTexture = pointer to texture in 32-bit R,G,B,A format (in that byte order)
|
|
// - ulFormat = format in which the texture will be stored in accelerator's (or driver's) memory
|
|
// - bNoDiscard = no need to discard old texture (for OGL, this is like "use SubImage")
|
|
extern void gfxUploadTexture( ULONG *pulTexture, PIX pixWidth, PIX pixHeight, ULONG ulFormat, BOOL bNoDiscard);
|
|
|
|
// returns size of uploaded texture
|
|
extern SLONG gfxGetTextureSize( ULONG ulTexObject, BOOL bHasMipmaps=TRUE);
|
|
|
|
// returns bytes/pixels ratio for uploaded texture or texture format
|
|
extern INDEX gfxGetTexturePixRatio( ULONG ulTextureObject);
|
|
extern INDEX gfxGetFormatPixRatio( ULONG ulTextureFormat);
|
|
|
|
|
|
|
|
// VERTEX ARRAYS
|
|
|
|
// prepare arrays for API
|
|
extern void (*gfxSetVertexArray)( GFXVertex4 *pvtx, INDEX ctVtx);
|
|
extern void (*gfxSetNormalArray)( GFXNormal *pnor);
|
|
extern void (*gfxSetTexCoordArray)( GFXTexCoord *ptex, BOOL b4); // b4 = projective mapping (4 FLOATS)
|
|
extern void (*gfxSetColorArray)( GFXColor *pcol);
|
|
|
|
|
|
// draw prepared arrays
|
|
extern void (*gfxDrawElements)( INDEX ctElem, INDEX *pidx);
|
|
|
|
// set constant color for subsequent rendering (until 1st gfxSetColorArray() call!)
|
|
extern void (*gfxSetConstantColor)(COLOR col);
|
|
// color array usage control
|
|
extern void (*gfxEnableColorArray)(void);
|
|
extern void (*gfxDisableColorArray)(void);
|
|
|
|
|
|
// MISC
|
|
|
|
|
|
// force finish of rendering queue
|
|
extern void (*gfxFinish)(void);
|
|
|
|
|
|
// compiled vertex array control
|
|
extern void (*gfxLockArrays)(void);
|
|
extern void gfxUnlockArrays(void);
|
|
|
|
|
|
// helper functions for drawing simple primitives thru drawelements
|
|
|
|
inline void gfxResetArrays(void)
|
|
{
|
|
_avtxCommon.PopAll();
|
|
_atexCommon.PopAll();
|
|
_acolCommon.PopAll();
|
|
_aiCommonElements.PopAll();
|
|
}
|
|
|
|
// render elements to screen buffer
|
|
extern void gfxFlushElements(void);
|
|
extern void gfxFlushQuads(void);
|
|
|
|
|
|
// check GFX errors only in debug builds
|
|
#ifndef NDEBUG
|
|
extern void OGL_CheckError(void);
|
|
#define OGL_CHECKERROR OGL_CheckError();
|
|
|
|
#ifdef SE1_D3D
|
|
extern void D3D_CheckError(HRESULT hr);
|
|
#define D3D_CHECKERROR(hr) D3D_CheckError(hr);
|
|
#endif
|
|
#else
|
|
#define OGL_CHECKERROR (void)(0);
|
|
#define D3D_CHECKERROR(hr) (void)(0);
|
|
#endif
|
|
|
|
|
|
|
|
// ATI's TRUFORM support
|
|
|
|
|
|
// set truform parameters
|
|
extern void gfxSetTruform( const INDEX iLevel, BOOL bLinearNormals);
|
|
extern void (*gfxEnableTruform)( void);
|
|
extern void (*gfxDisableTruform)(void);
|
|
|
|
|
|
// set D3D vertex shader only if different than last time
|
|
extern void d3dSetVertexShader(DWORD dwHandle);
|
|
|
|
|
|
// macro for releasing D3D objects
|
|
#define D3DRELEASE(object,check) \
|
|
{ \
|
|
INDEX ref; \
|
|
do { \
|
|
ref = (object)->Release(); \
|
|
if(check) ASSERT(ref==0); \
|
|
} while(ref>0); \
|
|
object = NONE; \
|
|
}
|
|
|
|
#endif /* include-once wrapper. */
|
|
|
|
|