C++ (Cpp) R_InitUnitCubeVBO示例

示例#1

文件： tr_vbo.c 项目： ZdrytchX/Unvanquished-KoRx

/*
============
R_InitVBOs
============
*/
void R_InitVBOs( void )
{
	int  dataSize;

	ri.Printf( PRINT_DEVELOPER, "------- R_InitVBOs -------\n" );

	Com_InitGrowList( &tr.vbos, 100 );
	Com_InitGrowList( &tr.ibos, 100 );

#if !defined( COMPAT_Q3A ) && !defined( COMPAT_ET )
	dataSize = sizeof( vec4_t ) * SHADER_MAX_VERTEXES * 11;
#else
	dataSize = sizeof( vec4_t ) * SHADER_MAX_VERTEXES * 10;
#endif

	tess.vbo = R_CreateVBO( "tessVertexArray_VBO", NULL, dataSize, VBO_USAGE_DYNAMIC );
	tess.vbo->ofsXYZ = 0;
	tess.vbo->ofsTexCoords = tess.vbo->ofsXYZ + sizeof( tess.xyz );
	tess.vbo->ofsLightCoords = tess.vbo->ofsTexCoords + sizeof( tess.texCoords );
	tess.vbo->ofsTangents = tess.vbo->ofsLightCoords + sizeof( tess.lightCoords );
	tess.vbo->ofsBinormals = tess.vbo->ofsTangents + sizeof( tess.tangents );
	tess.vbo->ofsNormals = tess.vbo->ofsBinormals + sizeof( tess.binormals );
	tess.vbo->ofsColors = tess.vbo->ofsNormals + sizeof( tess.normals );

#if !defined( COMPAT_Q3A ) && !defined( COMPAT_ET )
	tess.vbo->ofsPaintColors = tess.vbo->ofsColors + sizeof( tess.colors );
	tess.vbo->ofsAmbientLight = tess.vbo->ofsPaintColors + sizeof( tess.PaintColors );
#endif
	tess.vbo->ofsAmbientLight = tess.vbo->ofsColors + sizeof( tess.colors );
	tess.vbo->ofsDirectedLight = tess.vbo->ofsAmbientLight + sizeof( tess.ambientLights );
	tess.vbo->ofsLightDirections = tess.vbo->ofsDirectedLight + sizeof( tess.directedLights );

	tess.vbo->sizeXYZ = sizeof( tess.xyz );
	tess.vbo->sizeTangents = sizeof( tess.tangents );
	tess.vbo->sizeBinormals = sizeof( tess.binormals );
	tess.vbo->sizeNormals = sizeof( tess.normals );

	dataSize = sizeof( tess.indexes );

	tess.ibo = R_CreateIBO( "tessVertexArray_IBO", NULL, dataSize, VBO_USAGE_DYNAMIC );

	R_InitUnitCubeVBO();

	// allocate a PBO for color grade map transfers
	glGenBuffers( 1, &tr.colorGradePBO );
	glBindBuffer( GL_PIXEL_PACK_BUFFER, tr.colorGradePBO );
	glBufferData( GL_PIXEL_PACK_BUFFER,
		      REF_COLORGRADEMAP_STORE_SIZE * sizeof(color4ub_t),
		      NULL, GL_STREAM_COPY );
	glBindBuffer( GL_PIXEL_PACK_BUFFER, 0 );

	R_BindNullVBO();
	R_BindNullIBO();

	GL_CheckErrors();
}

示例#2

文件： tr_vbo.c 项目： SHOVELL/Unvanquished

/*
============
R_InitVBOs
============
*/
void R_InitVBOs( void )
{
	int  dataSize;
	byte *data;

	ri.Printf( PRINT_ALL, "------- R_InitVBOs -------\n" );

	Com_InitGrowList( &tr.vbos, 100 );
	Com_InitGrowList( &tr.ibos, 100 );

	dataSize = sizeof( vec4_t ) * SHADER_MAX_VERTEXES * 11;
	data = Com_Allocate( dataSize );
	memset( data, 0, dataSize );

	tess.vbo = R_CreateVBO( "tessVertexArray_VBO", data, dataSize, VBO_USAGE_DYNAMIC );
	tess.vbo->ofsXYZ = 0;
	tess.vbo->ofsTexCoords = tess.vbo->ofsXYZ + sizeof( tess.xyz );
	tess.vbo->ofsLightCoords = tess.vbo->ofsTexCoords + sizeof( tess.texCoords );
	tess.vbo->ofsTangents = tess.vbo->ofsLightCoords + sizeof( tess.lightCoords );
	tess.vbo->ofsBinormals = tess.vbo->ofsTangents + sizeof( tess.tangents );
	tess.vbo->ofsNormals = tess.vbo->ofsBinormals + sizeof( tess.binormals );
	tess.vbo->ofsColors = tess.vbo->ofsNormals + sizeof( tess.normals );

#if !defined( COMPAT_Q3A ) && !defined( COMPAT_ET )
	tess.vbo->ofsPaintColors = tess.vbo->ofsColors + sizeof( tess.colors );
	tess.vbo->ofsLightDirections = tess.vbo->ofsPaintColors + sizeof( tess.paintColors );
#endif

	tess.vbo->sizeXYZ = sizeof( tess.xyz );
	tess.vbo->sizeTangents = sizeof( tess.tangents );
	tess.vbo->sizeBinormals = sizeof( tess.binormals );
	tess.vbo->sizeNormals = sizeof( tess.normals );

	Com_Dealloc( data );

	dataSize = sizeof( tess.indexes );
	data = Com_Allocate( dataSize );
	memset( data, 0, dataSize );

	tess.ibo = R_CreateIBO( "tessVertexArray_IBO", data, dataSize, VBO_USAGE_DYNAMIC );

	Com_Dealloc( data );

	R_InitUnitCubeVBO();

	R_BindNullVBO();
	R_BindNullIBO();

	GL_CheckErrors();
}

示例#3

文件： tr_vbo.c 项目： dustinduse/etlegacy

/*
============
R_InitVBOs
============
*/
void R_InitVBOs(void)
{
	int  dataSize;
	byte *data;

	Ren_Print("------- R_InitVBOs -------\n");

	Com_InitGrowList(&tr.vbos, 100);
	Com_InitGrowList(&tr.ibos, 100);

	dataSize = sizeof(vec4_t) * SHADER_MAX_VERTEXES * 11;
	data     = (byte *)Com_Allocate(dataSize);
	memset(data, 0, dataSize);

	tess.vbo                 = R_CreateVBO("tessVertexArray_VBO", data, dataSize, VBO_USAGE_DYNAMIC);
	tess.vbo->ofsXYZ         = 0;
	tess.vbo->ofsTexCoords   = tess.vbo->ofsXYZ + sizeof(tess.xyz);
	tess.vbo->ofsLightCoords = tess.vbo->ofsTexCoords + sizeof(tess.texCoords);
	tess.vbo->ofsTangents    = tess.vbo->ofsLightCoords + sizeof(tess.lightCoords);
	tess.vbo->ofsBinormals   = tess.vbo->ofsTangents + sizeof(tess.tangents);
	tess.vbo->ofsNormals     = tess.vbo->ofsBinormals + sizeof(tess.binormals);
	tess.vbo->ofsColors      = tess.vbo->ofsNormals + sizeof(tess.normals);
	tess.vbo->sizeXYZ        = sizeof(tess.xyz);
	tess.vbo->sizeTangents   = sizeof(tess.tangents);
	tess.vbo->sizeBinormals  = sizeof(tess.binormals);
	tess.vbo->sizeNormals    = sizeof(tess.normals);

	Com_Dealloc(data);

	dataSize = sizeof(tess.indexes);
	data     = (byte *)Com_Allocate(dataSize);
	memset(data, 0, dataSize);

	tess.ibo = R_CreateIBO("tessVertexArray_IBO", data, dataSize, VBO_USAGE_DYNAMIC);

	Com_Dealloc(data);

	R_InitUnitCubeVBO();

	R_BindNullVBO();
	R_BindNullIBO();

	GL_CheckErrors();
}

示例#4

文件： tr_vbo.cpp 项目： norfenstein/unvqx

/*
============
R_InitVBOs
============
*/
void R_InitVBOs()
{
	uint32_t attribs = ATTR_POSITION | ATTR_TEXCOORD | ATTR_QTANGENT | ATTR_COLOR;

	ri.Printf( PRINT_DEVELOPER, "------- R_InitVBOs -------\n" );

	Com_InitGrowList( &tr.vbos, 100 );
	Com_InitGrowList( &tr.ibos, 100 );

	tess.vertsBuffer = ( shaderVertex_t * ) Com_Allocate_Aligned( 64, SHADER_MAX_VERTEXES * sizeof( shaderVertex_t ) );
	tess.indexesBuffer = ( glIndex_t * ) Com_Allocate_Aligned( 64, SHADER_MAX_INDEXES * sizeof( glIndex_t ) );

	if( glConfig2.mapBufferRangeAvailable ) {
		tess.vbo = R_CreateDynamicVBO( "tessVertexArray_VBO", vertexCapacity, attribs, VBO_LAYOUT_STATIC );

		tess.ibo = R_CreateDynamicIBO( "tessVertexArray_IBO", indexCapacity );
		tess.vertsWritten = tess.indexesWritten = 0;
	} else {
		// use glBufferSubData to update VBO
		tess.vbo = R_CreateDynamicVBO( "tessVertexArray_VBO", SHADER_MAX_VERTEXES, attribs, VBO_LAYOUT_STATIC );

		tess.ibo = R_CreateDynamicIBO( "tessVertexArray_IBO", SHADER_MAX_INDEXES );
	}


	R_InitUnitCubeVBO();

	// allocate a PBO for color grade map transfers
	glGenBuffers( 1, &tr.colorGradePBO );
	glBindBuffer( GL_PIXEL_PACK_BUFFER, tr.colorGradePBO );
	glBufferData( GL_PIXEL_PACK_BUFFER,
		      REF_COLORGRADEMAP_STORE_SIZE * sizeof(u8vec4_t),
		      nullptr, GL_STREAM_COPY );
	glBindBuffer( GL_PIXEL_PACK_BUFFER, 0 );

	GL_CheckErrors();
}