131 esFrustum(ESMatrix *result, float left, float right, float bottom, float top, float nearZ, float fa…  in esFrustum()  argument
135 	float       deltaZ = farZ - nearZ;  in esFrustum()
138 	if ( (nearZ <= 0.0f) || (farZ <= 0.0f) ||  in esFrustum()
142 	frust.m[0][0] = 2.0f * nearZ / deltaX;  in esFrustum()
145 	frust.m[1][1] = 2.0f * nearZ / deltaY;  in esFrustum()
150 	frust.m[2][2] = -(nearZ + farZ) / deltaZ;  in esFrustum()
153 	frust.m[3][2] = -2.0f * nearZ * farZ / deltaZ;  in esFrustum()
161 esPerspective(ESMatrix *result, float fovy, float aspect, float nearZ, float farZ)  in esPerspective()  argument
165 	frustumH = tanf( fovy / 360.0f * PI ) * nearZ;  in esPerspective()
168 	esFrustum( result, -frustumW, frustumW, -frustumH, frustumH, nearZ, farZ );  in esPerspective()
172 esOrtho(ESMatrix *result, float left, float right, float bottom, float top, float nearZ, float farZ)  in esOrtho()  argument
176 	float       deltaZ = farZ - nearZ;  in esOrtho()
188 	ortho.m[3][2] = -(nearZ + farZ) / deltaZ;  in esOrtho()