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C++ qglLoadMatrixf函数代码示例

本文整理汇总了C++中qglLoadMatrixf函数的典型用法代码示例。如果您正苦于以下问题：C++ qglLoadMatrixf函数的具体用法？C++ qglLoadMatrixf怎么用？C++ qglLoadMatrixf使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了qglLoadMatrixf函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: RB_DrawSun

/*
** RB_DrawSun
*/
void RB_DrawSun( float scale, shader_t *shader ) {
    float		size;
    float		dist;
    vec3_t		origin, vec1, vec2;
    byte		sunColor[4] = { 255, 255, 255, 255 };

    if ( !backEnd.skyRenderedThisView ) {
        return;
    }

    qglLoadMatrixf( backEnd.viewParms.world.modelMatrix );
    qglTranslatef (backEnd.viewParms.or.origin[0], backEnd.viewParms.or.origin[1], backEnd.viewParms.or.origin[2]);

    dist = 	backEnd.viewParms.zFar / 1.75;		// div sqrt(3)
    size = dist * scale;

    VectorScale( tr.sunDirection, dist, origin );
    PerpendicularVector( vec1, tr.sunDirection );
    CrossProduct( tr.sunDirection, vec1, vec2 );

    VectorScale( vec1, size, vec1 );
    VectorScale( vec2, size, vec2 );

    // farthest depth range
    qglDepthRange( 1.0, 1.0 );

    RB_BeginSurface( shader, 0 );

    RB_AddQuadStamp(origin, vec1, vec2, sunColor);

    RB_EndSurface();

    // back to normal depth range
    qglDepthRange( 0.0, 1.0 );
}
开发者ID:coltongit，项目名称:spearmint，代码行数:38，代码来源:tr_sky.c

示例2: RB_LeaveDepthHack

/*
===============
RB_LeaveDepthHack
===============
*/
void RB_LeaveDepthHack() {
	qglDepthRange( 0, 1 );

	qglMatrixMode(GL_PROJECTION);
	qglLoadMatrixf( backEnd.viewDef->projectionMatrix );
	qglMatrixMode(GL_MODELVIEW);
}
开发者ID:0culus，项目名称:Doom3-for-MacOSX-，代码行数:12，代码来源:tr_render.cpp

示例3: RB_BindStageTexture

/*
======================
RB_BindStageTexture
======================
*/
void RB_BindStageTexture( const float *shaderRegisters, const textureStage_t *texture, const drawSurf_t *surf ) {
	// image
	RB_BindVariableStageImage( texture, shaderRegisters );

	// texgens
	if ( texture->texgen == TG_DIFFUSE_CUBE ) {
		qglTexCoordPointer( 3, GL_FLOAT, sizeof( idDrawVert ), ((idDrawVert *)vertexCache.Position( surf->geo->ambientCache ))->normal.ToFloatPtr() );
	}
	if ( texture->texgen == TG_SKYBOX_CUBE || texture->texgen == TG_WOBBLESKY_CUBE ) {
		qglTexCoordPointer( 3, GL_FLOAT, 0, vertexCache.Position( surf->dynamicTexCoords ) );
	}
	if ( texture->texgen == TG_REFLECT_CUBE ) {
		qglEnable( GL_TEXTURE_GEN_S );
		qglEnable( GL_TEXTURE_GEN_T );
		qglEnable( GL_TEXTURE_GEN_R );
		qglTexGenf( GL_S, GL_TEXTURE_GEN_MODE, GL_REFLECTION_MAP_EXT );
		qglTexGenf( GL_T, GL_TEXTURE_GEN_MODE, GL_REFLECTION_MAP_EXT );
		qglTexGenf( GL_R, GL_TEXTURE_GEN_MODE, GL_REFLECTION_MAP_EXT );
		qglEnableClientState( GL_NORMAL_ARRAY );
		qglNormalPointer( GL_FLOAT, sizeof( idDrawVert ), ((idDrawVert *)vertexCache.Position( surf->geo->ambientCache ))->normal.ToFloatPtr() );

		qglMatrixMode( GL_TEXTURE );
		float	mat[16];

		R_TransposeGLMatrix( backEnd.viewDef->worldSpace.modelViewMatrix, mat );

		qglLoadMatrixf( mat );
		qglMatrixMode( GL_MODELVIEW );
	}

	// matrix
	if ( texture->hasMatrix ) {
		RB_LoadShaderTextureMatrix( shaderRegisters, texture );
	}
}
开发者ID:0culus，项目名称:Doom3-for-MacOSX-，代码行数:40，代码来源:tr_render.cpp

示例4: RB_RenderWorldEffects

void RB_RenderWorldEffects(void)
{
	float					elapseTime = backEnd.refdef.frametime / 1000.0;

	if (tr.refdef.rdflags & RDF_NOWORLDMODEL || !tr.world || CL_IsRunningInGameCinematic()) 
	{	//  no world rendering or no world
		return;
	}

	SetViewportAndScissor();
	qglMatrixMode(GL_MODELVIEW);
//	qglPushMatrix();
	qglLoadMatrixf( backEnd.viewParms.world.modelMatrix );

	originContents = ri.CM_PointContents(backEnd.viewParms.or.origin, 0);

	if (rainSystem)
	{
		rainSystem->Update(elapseTime);
		rainSystem->Render();
	}

	if (snowSystem)
	{
		snowSystem->Update(elapseTime);
		snowSystem->Render();
	}

//	qglMatrixMode(GL_MODELVIEW);
//	qglPopMatrix();
}
开发者ID:5Quintessential，项目名称:jedioutcast，代码行数:31，代码来源:tr_worldeffects.cpp

示例5: RB_LoadShaderTextureMatrix

/*
======================
RB_LoadShaderTextureMatrix
======================
*/
void RB_LoadShaderTextureMatrix( const float *shaderRegisters, const textureStage_t *texture ) {
	float	matrix[16];

	RB_GetShaderTextureMatrix( shaderRegisters, texture, matrix );
	qglMatrixMode( GL_TEXTURE );
	qglLoadMatrixf( matrix );
	qglMatrixMode( GL_MODELVIEW );
}
开发者ID:0culus，项目名称:Doom3-for-MacOSX-，代码行数:13，代码来源:tr_render.cpp

示例6: RB_EnterModelDepthHack

/*
===============
RB_EnterModelDepthHack
===============
*/
void RB_EnterModelDepthHack( float depth ) {
	float matrix[16];
	qglDepthRange( 0.0f, 1.0f );
	memcpy( matrix, backEnd.viewDef->projectionMatrix, sizeof( matrix ) );

	matrix[14] -= depth;

	qglMatrixMode( GL_PROJECTION );
	qglLoadMatrixf( matrix );
	qglMatrixMode( GL_MODELVIEW );
}
开发者ID:RobertBeckebans，项目名称:Sikkpin-Breadcrumps-src，代码行数:16，代码来源:tr_render.cpp

示例7: RB_EnterWeaponDepthHack

/*
===============
RB_EnterWeaponDepthHack
===============
*/
void RB_EnterWeaponDepthHack() {
	float matrix[16];
	qglDepthRange( 0.0f, 0.5f );
	memcpy( matrix, backEnd.viewDef->projectionMatrix, sizeof( matrix ) );

	matrix[14] *= 0.25f;

	qglMatrixMode( GL_PROJECTION );
	qglLoadMatrixf( matrix );
	qglMatrixMode( GL_MODELVIEW );
}
开发者ID:RobertBeckebans，项目名称:Sikkpin-Breadcrumps-src，代码行数:16，代码来源:tr_render.cpp

示例8: SetViewportAndScissor

void SetViewportAndScissor( void ) {
	qglMatrixMode(GL_PROJECTION);
	qglLoadMatrixf( backEnd.viewParms.projectionMatrix );
	qglMatrixMode(GL_MODELVIEW);

	// set the window clipping
	qglViewport( backEnd.viewParms.viewportX, backEnd.viewParms.viewportY, 
		backEnd.viewParms.viewportWidth, backEnd.viewParms.viewportHeight );
	qglScissor( backEnd.viewParms.viewportX, backEnd.viewParms.viewportY, 
		backEnd.viewParms.viewportWidth, backEnd.viewParms.viewportHeight );
}
开发者ID:CairnTrenor，项目名称:OpenJK，代码行数:11，代码来源:tr_backend.cpp

示例9: SetViewportAndScissor

static void SetViewportAndScissor( void ) {
	qglMatrixMode(GL_PROJECTION);
	qglLoadMatrixf( backEnd.viewParms.projectionMatrix );
	qglMatrixMode(GL_MODELVIEW);

	// set the window clipping
	qglViewport( backEnd.viewParms.viewportX, backEnd.viewParms.viewportY, 
		backEnd.viewParms.viewportWidth, backEnd.viewParms.viewportHeight );
	qglScissor( backEnd.viewParms.viewportX, backEnd.viewParms.viewportY, 
		backEnd.viewParms.viewportWidth, backEnd.viewParms.viewportHeight );
	Matrix4Copy(backEnd.viewParms.projectionMatrix, glState.currentProjectionMatrix);
	Matrix4Multiply(glState.currentProjectionMatrix, glState.currentModelViewMatrix, glState.currentModelViewProjectionMatrix);
}
开发者ID:lrq3000，项目名称:openarena_engine，代码行数:13，代码来源:tr_backend.c

示例10: SetViewportAndScissor

static void SetViewportAndScissor( void ) {
	qglMatrixMode( GL_PROJECTION );
	qglLoadMatrixf( backEnd.viewParms.projectionMatrix );
	qglMatrixMode( GL_MODELVIEW );

	// set the window clipping
	qglViewport(    backEnd.viewParms.viewportX,
					backEnd.viewParms.viewportY,
					backEnd.viewParms.viewportWidth,
					backEnd.viewParms.viewportHeight );

// TODO: insert handling for widescreen?  (when looking through camera)
	qglScissor(     backEnd.viewParms.viewportX,
					backEnd.viewParms.viewportY,
					backEnd.viewParms.viewportWidth,
					backEnd.viewParms.viewportHeight );
}
开发者ID:NewsNoobDude，项目名称:RTCW-SP-linux，代码行数:17，代码来源:tr_backend.c

示例11: GLRB_SetPortalRendering

// This could be two functions, but I want to keep the number of different API calls to a minimum
void GLRB_SetPortalRendering( qboolean enabled, const float* flipMatrix, const float* plane )
{
    if ( enabled )
    {
        double dplane[4] = {
            plane[0],
            plane[1],
            plane[2],
            plane[3] };

        qglLoadMatrixf( flipMatrix );
        qglClipPlane( GL_CLIP_PLANE0, dplane );
        qglEnable( GL_CLIP_PLANE0 );
    }
    else
    {
        qglDisable( GL_CLIP_PLANE0 );
    }
}
开发者ID:Avatarchik，项目名称:Quake-III-Arena-D3D11，代码行数:20，代码来源:gl_driver.c

示例12: RB_RenderDrawSurfListWithFunction

/*
====================
RB_RenderDrawSurfListWithFunction

The triangle functions can check backEnd.currentSpace != surf->space
to see if they need to perform any new matrix setup.  The modelview
matrix will already have been loaded, and backEnd.currentSpace will
be updated after the triangle function completes.
====================
*/
void RB_RenderDrawSurfListWithFunction( drawSurf_t **drawSurfs, int numDrawSurfs, 
											  void (*triFunc_)( const drawSurf_t *) ) {
	int				i;
	const drawSurf_t		*drawSurf;

	backEnd.currentSpace = NULL;

	for (i = 0  ; i < numDrawSurfs ; i++ ) {
		drawSurf = drawSurfs[i];

		// change the matrix if needed
		if ( drawSurf->space != backEnd.currentSpace ) {
			qglLoadMatrixf( drawSurf->space->modelViewMatrix );
		}

		if ( drawSurf->space->weaponDepthHack ) {
			RB_EnterWeaponDepthHack();
		}

		if ( drawSurf->space->modelDepthHack != 0.0f ) {
			RB_EnterModelDepthHack( drawSurf->space->modelDepthHack );
		}

		// change the scissor if needed
		if ( r_useScissor.GetBool() && !backEnd.currentScissor.Equals( drawSurf->scissorRect ) ) {
			backEnd.currentScissor = drawSurf->scissorRect;
			qglScissor( backEnd.viewDef->viewport.x1 + backEnd.currentScissor.x1, 
				backEnd.viewDef->viewport.y1 + backEnd.currentScissor.y1,
				backEnd.currentScissor.x2 + 1 - backEnd.currentScissor.x1,
				backEnd.currentScissor.y2 + 1 - backEnd.currentScissor.y1 );
		}

		// render it
		triFunc_( drawSurf );

		if ( drawSurf->space->weaponDepthHack || drawSurf->space->modelDepthHack != 0.0f ) {
			RB_LeaveDepthHack();
		}

		backEnd.currentSpace = drawSurf->space;
	}
}
开发者ID:0culus，项目名称:Doom3-for-MacOSX-，代码行数:52，代码来源:tr_render.cpp

示例13: GL_LoadMatrix

/*
 ==================
 GL_LoadMatrix
 ==================
*/
void GL_LoadMatrix (uint mode, const mat4_t matrix){

	switch (mode){
	case GL_PROJECTION:
		glState.projectionMatrixIdentity = false;

		break;
	case GL_MODELVIEW:
		glState.modelviewMatrixIdentity = false;

		break;
	case GL_TEXTURE:
		glState.textureMatrixIdentity[glState.texUnit] = false;

		break;
	}

	qglMatrixMode(mode);
	qglLoadMatrixf(matrix);
}
开发者ID:Mirrorman95，项目名称:quake-2-evolved，代码行数:25，代码来源:r_glState.c

示例14: SetViewportAndScissor

static void SetViewportAndScissor( void ) {
	qglMatrixMode(GL_PROJECTION);
	qglLoadMatrixf( backEnd.viewParms.projectionMatrix );
	qglMatrixMode(GL_MODELVIEW);

	// set the window clipping
	qglViewport( backEnd.viewParms.viewportX, backEnd.viewParms.viewportY, 
		backEnd.viewParms.viewportWidth, backEnd.viewParms.viewportHeight );

    if(r_subviewScissor->integer)
    {
        qglScissor( backEnd.viewParms.scissorMinX, backEnd.viewParms.scissorMinY, 
            backEnd.viewParms.scissorMaxX - backEnd.viewParms.scissorMinX, 
            backEnd.viewParms.scissorMaxY - backEnd.viewParms.scissorMinY );
    }
    else
    {
        qglScissor( backEnd.viewParms.viewportX, backEnd.viewParms.viewportY, 
            backEnd.viewParms.viewportWidth, backEnd.viewParms.viewportHeight );
    }
}
开发者ID:asvo，项目名称:quake3.gpl.old，代码行数:21，代码来源:tr_backend.c

示例15: RB_BeginDrawingView

/*
=================
RB_BeginDrawingView

Any mirrored or portaled views have already been drawn, so prepare
to actually render the visible surfaces for this view
=================
*/
void RB_BeginDrawingView (void) {
	// set the modelview matrix for the viewer
	qglMatrixMode(GL_PROJECTION);
	qglLoadMatrixf( backEnd.viewDef->projectionMatrix );
	qglMatrixMode(GL_MODELVIEW);

	// set the window clipping
	qglViewport( tr.viewportOffset[0] + backEnd.viewDef->viewport.x1, 
		tr.viewportOffset[1] + backEnd.viewDef->viewport.y1, 
		backEnd.viewDef->viewport.x2 + 1 - backEnd.viewDef->viewport.x1,
		backEnd.viewDef->viewport.y2 + 1 - backEnd.viewDef->viewport.y1 );

	// the scissor may be smaller than the viewport for subviews
	qglScissor( tr.viewportOffset[0] + backEnd.viewDef->viewport.x1 + backEnd.viewDef->scissor.x1, 
		tr.viewportOffset[1] + backEnd.viewDef->viewport.y1 + backEnd.viewDef->scissor.y1, 
		backEnd.viewDef->scissor.x2 + 1 - backEnd.viewDef->scissor.x1,
		backEnd.viewDef->scissor.y2 + 1 - backEnd.viewDef->scissor.y1 );
	backEnd.currentScissor = backEnd.viewDef->scissor;

	// ensures that depth writes are enabled for the depth clear
	GL_State( GLS_DEFAULT );

	// we don't have to clear the depth / stencil buffer for 2D rendering
	if ( backEnd.viewDef->viewEntitys ) {
		qglStencilMask( 0xff );
		// some cards may have 7 bit stencil buffers, so don't assume this
		// should be 128
		qglClearStencil( 1<<(glConfig.stencilBits-1) );
		qglClear( GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT );
		qglEnable( GL_DEPTH_TEST );
	} else {
		qglDisable( GL_DEPTH_TEST );
		qglDisable( GL_STENCIL_TEST );
	}

	backEnd.glState.faceCulling = -1;		// force face culling to set next time
	GL_Cull( CT_FRONT_SIDED );

}
开发者ID:0culus，项目名称:Doom3-for-MacOSX-，代码行数:47，代码来源:tr_render.cpp


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